References

Customer Publications

1. The Microbiota-Produced N-Formyl Peptide fMLF Promotes Obesity-Induced Glucose Intolerance. Wollam J, Riopel M, Xu YJ, Johnson AMF, Ofrecio JM, Ying W, El Ouarrat D, Chan LS, Han AW, Mahmood NA, Ryan CN, Lee YS, Watrous JD, Chordia MD, Pan D, Jain M, Olefsky JM. Diabetes. 2019 Apr 22. pii: db181307.
“Intracellular cAMP levels in intraperitoneal macrophages were measured using the Bridge-It cAMP Designer Fluorescence Assay Kit (Mediomics).”
2. Increased Serine and One-Carbon Pathway Metabolism by PKCλ/ι Deficiency Promotes Neuroendocrine Prostate Cancer. Reina-Campos M, Linares JF, Duran A, Cordes T, L’Hermitte A, Badur MG, Bhangoo MS, Thorson PK, Richards A, Rooslid T, Garcia-Olmo DC, Nam-Cha SY, Salinas-Sanchez AS, Eng K, Beltran H, Scott DA, Metallo CM, Moscat J, Diaz-Meco MT. Cancer Cell. 2019 Mar 18;35(3):385-400.e9.
“Quantification of intracellular SAM levels was performed according to manufacturer’s instructions (Bridge-It S-Adenosyl Methionine (SAM) Fluorescence Assay, 96-well microplate format, Mediomics).”
3. Mitochondrial stress triggers a pro-survival response through epigenetic modifications of nuclear DNA. Mayorga L, Salassa BN, Marzese DM, Loos MA, Eiroa HD, Lubieniecki F, García Samartino C, Romano PS, Roqué M. Cell Mol Life Sci. 2019 Jan 23.
“Fluorometric measurement of S‑adenosyl‑methionine (HSkM cells) Bridge-It® S-adenosyl methionine (SAM) fluorescence assay kit (Mediomics®) was used according to the manufacturer’s instructions.”
4. PLZF targets developmental enhancers for activation during osteogenic differentiation of human mesenchymal stem cells. Agrawal Singh S, Lerdrup M, Gomes AR, van de Werken HJ, Vilstrup Johansen J, Andersson R, Sandelin A, Helin K, Hansen K. Elife. 2019 Jan 23;8. pii: e40364.
“SAM was measured using the Bridge-It S-Adenosyl Methionine (SAM) Fluorescence Assay Kit from Mediomics according to the manufacturer’s instructions (Mediomics, LLC, St. Louis, Missouri, U.S.A.).”
5. Suppression of STING Associated with LKB1 Loss in KRAS-Driven Lung Cancer. Kitajima S, Ivanova E, Guo S, Yoshida R, Campisi M, Sundararaman SK, Tange S, Mitsuishi Y, Thai TC, Masuda S, Piel BP, Sholl LM, Kirschmeier PT, Paweletz CP, Watanabe H, Yajima M, Barbie DA. Cancer Discov. 2019 Jan;9(1):34-45.
“The amount of S-adenosylmethionine was measured using the Bridge-IT SAM fluorescence Kit (Mediomics, Cat.# 1-1-10038) according to the manufacturer’s instructions.”
6. Wellness panel. Dahl AA, Callewaert DM, inventors; Wellmetris LLC, assignee. US10161928B2. 2018 Dec 25.
“Mediomic’s L-Tryptophan Assay Kit, available as of Jun. 6, 2006. Web. <http://search.cosmobio.co.jp/cosmo_search_p/search_gate2/docs/MDM_/111001B.20060615.pdf> Accessed on Mar. 25, 2015 (hereinafter referred to as Mediomics’). *”
7. The Effect of Branched-Chain Amino Acids, Citrulline, and Arginine on High-Intensity Interval Performance in Young Swimmers. Hsueh CF, Wu HJ, Tsai TS, Wu CL, Chang CK. Nutrients. 2018 Dec 14;10(12). pii: E1979.
“Plasma tryptophan concentrations were analyzed with a fluorescence assay (Bridge-It, Mediomics, St. Louis, MO, USA).”
8. Genes controlling the activation of natural killer lymphocytes are epigenetically remodeled in intestinal cells from germ-free mice. Poupeau A, Garde C, Sulek K, Citirikkaya K, Treebak JT, Arumugam M, Simar D, Olofsson LE, Bäckhed F, Barrès R. FASEB J. 2018 Oct 10:fj201800787R.
“One fraction was used to measure protein concentration by bicinchoninic acid assay, and the other was used to measure the SAM concentration with a fluorescence assay relying on fluorescence resonance energy transfer technology (Bridge-It SAM; Mediomics, St. Louis, MO, USA).”
9. Stimulatory TSH-Receptor Antibodies and Oxidative Stress in Graves Disease. Diana T, Daiber A, Oelze M, Neumann S, Olivo PD, Kanitz M, Stamm P, Kahaly GJ. J Clin Endocrinol Metab. 2018 Oct 1;103(10):3668-3677.
“Intracellular cAMP levels were measured with a homogeneous, fluorescent assay that is based on binding of cAMP to a DNA-binding protein (Bridge-It® cAMP designer fluorescence assay, Cat. #122934; Mediomics LLC, St. Louis, MO).”
10. Diagnostic tools for alzheimer’s disease. Cohen D, Chumakov I, Nabirochkin S, Guedj M, Hajj R, inventors; Pharnext, assignee. US20180275144A1. 2018 Sep 27.
“L-tryptophan can be measured using Bridge-It® L-Tryptophan Fluorescence Assay (Mediomics) which is based on the activity of tryptophan repressor protein and can detect tryptophan for instance in human urine or serum.”
11. Profiling targetable immune checkpoints in osteosarcoma. McEachron TA, Triche TJ, Sorenson L, Parham DM, Carpten JD. Oncoimmunology. 2018 Sep 11;7(12):e1475873.
“Tryptophan levels in the conditioned media were assayed using the Bridge-It Tryptophan Fluorescence Assay (Mediomics) according to the manufacturers protocol.”
12. Coupling of the polyamine and iron metabolism pathways in the regulation of proliferation: Mechanistic links to alterations in key polyamine biosynthetic and catabolic enzymes. Lane DJR, Bae DH, Siafakas AR, Suryo Rahmanto Y, Al-Akra L, Jansson PJ, Casero RA Jr, Richardson DR. Biochim Biophys Acta Mol Basis Dis. 2018 Sep;1864(9 Pt B):2793-2813.
“The determination of AdoMet levels were assessed using the Bridge-It® SAM Fluorescence Assay (Mediomics LLC, St. Louis, MO), based on the manufacturer’s instructions.”
13. Automated microfluidic droplet sampling with integrated, mix-and-read immunoassays to resolve endocrine tissue secretion dynamics. Li X, Hu J, Easley CJ. Lab Chip. 2018 Sep 26;18(19):2926-2935.
“Insulin was quantified using a homogeneous fluorescence assay (Human Insulin FRET-PINCER Assay Kit; Mediomics, St. Louis, MO) within droplets.”
14. MPTAC Determines APP Fragmentation via Sensing Sulfur Amino Acid Catabolism. Suganuma T, Swanson SK, Gogol M, Garrett TJ, Conkright-Fincham J, Florens L, Washburn MP, Workman JL. Cell Rep. 2018 Aug 7;24(6):1585-1596.
“SAMe Quantification: 8.6–11.1 μg cytoplasmic extracts and 5.7 μg nuclear extracts were subjected to the Bridge-It SAM Fluorescence Assay, following the manufacturer’s instructions (1-1-1004B; Mediomics).”
15. Advancement of analytical modes in a multichannel, microfluidic droplet-based sample chopper employing phase-locked detection. Negou JT, Hu J, Li X, Easley CJ. Anal Methods. 2018 Jul 28;10(28):3436-3443.
“Concentrations of albumin in human serum samples were quantified using a mix-and-read, homogeneous fluorescence immunoassay (Human Albumin FRET-PINCER Assay Kit; Mediomics, St. Louis, MO)…”
16. Plasticity of DNA methylation and gene expression under zinc deficiency in Arabidopsis roots. Chen X, Schönberger B, Menz J, Ludewig U. Plant Cell Physiol. 2018 May 25.
“The S-adenosyl methionine level was determined with Bridge-It® S-Adenosyl Methionine Fluorescence Assay Kit (Mediomics, United States), following the manufacturer’s instruction.”
17. Methods for the selection of aptamers. Heyduk T, Heyduk E, inventors; Saint Louis University, assignee. US9951376B2. 2018 Apr 24.
“Patent Citations: …WO2013016280A2, 2011-07-22, 2013-01-31, Mediomics, Llc, Compositions and methods for selecting aptamers; US20140248710A1, 2005-06-06, 2014-09-04, Mediomics Llc, Three-component biosensors for detecting macromolecules and other analytes; US20160077088A1, 2014-09-12, 2016-03-17, Mediomics Llc, Molecular biosensors with a modular design.”
18. Chronic fractalkine administration improves glucose tolerance and pancreatic endocrine function. Riopel M, Seo JB, Bandyopadhyay GK, Li P, Wollam J, Chung H, Jung SR, Murphy A, Wilson M, de Jong R, Patel S, Balakrishna D, Bilakovics J, Fanjul A, Plonowski A, Koh DS, Larson CJ, Olefsky JM, Lee YS. J Clin Invest. 2018 Apr 2;128(4):1458-1470.
“After the incubation period, the Bridge-It Cyclic AMP Designer Assay was used to determine intracellular cAMP levels per the manufacturer’s instructions (catalog 122934; Mediomics LLC).”
19. C. elegans MRP-5 Exports Vitamin B12 from Mother to Offspring to Support Embryonic Development. Na H, Ponomarova O, Giese GE, Walhout AJM. Cell Rep. 2018 Mar 20;22(12):3126-3133.
“SAM was measured using the Bridge-It S-Adenosyl Methionine Fluorescence Assay Kit purchased from Mediomics following the manufacturer’s recommendations.”
20. Fermentative production of alcohols. Bhadra B, Bhalla R, Kruckeberg AL, Nagarajan V, Patnaik R, Suh W, inventors; Butamax Advanced Biofuels LLC, assignee. US9909148B2. 2018 Mar 6.
“Alternatively, one could utilize enzyme assay methods to measure phosphodiesterase activity (e.g., Bridge-It® PDE assays, Mediomics, LLC, St. Louis, Mo. …”
21. Biosensor for detecting multiple epitopes on a target. Samusik N, Nolan GP, Goltsev Y, inventors; The Board of Trustees of the Leland Stanford Junior University, assignee. US9909167B2. 2018 Mar 6.
“Patent Citations: …US20120028242A1, 2008-11-21, 2012-02-02, Mediomics Llc, Biosensor for detecting multiple epitopes on a target. ”
22. Branched-chain amino acids and arginine improve physical but not skill performance in two consecutive days of exercise. Lin YT, Chiu MS, Chang CK. Sci Sport. 2017 Dec; 32(6):e221-e228.
“Plasma free tryptophan concentration was analyzed with a fluorescence assay according to manufacturer’s recommendation (Bridge-It, Mediomics, St. Louis, MO, USA).”
23. Nicotinamide metabolism regulates glioblastoma stem cell maintenance. Jung J, Kim LJY, Wang X, Wu Q, Sanvoranart T, Hubert CG, Prager BC, Wallace LC, Jin X, Mack SC, Rich JN. JCI Insight. 2017 May 18;2(10). pii: 90019.
“For measurement of L-methionine, homocysteine, SAM, SAH, and NAD+ conventional assay kits were used for their detection as follows: Bridge-It L-methionine fluorescence assay kit (Mediomics)…”
24. Involvement of Host Defense Mechanisms against Toxoplasma gondii Infection in Anhedonic and Despair-Like Behaviors in Mice. Mahmoud ME, Fereig R, Nishikawa Y. Infect Immun. 2017 Mar 23;85(4). pii: e00007-17.
“Plasma L-Trp was assayed with a Bridge-It L-Trp fluorescence assay (Mediomics, St. Louis, MO)…”
25. Hepatic Activity and Transcription of Betaine-Homocysteine Methyltransferase, Methionine Synthase, and Cystathionine Synthase in Periparturient Dairy Cows Are Altered to Different Extents by Supply of Methionine and Choline. Zhou Z, Garrow TA, Dong X, Luchini DN, Loor JJ. J Nutr. 2017 Jan;147(1):11-19.
“Liver tissue L-Met was measured at −10, 7, 20, and 30 d relative to parturition with the use of a commercial kit (catalog no. TRF-1–1-1006B; Mediomics)…”
26. Toxicity of Cry1A toxins from Bacillus thuringiensis to CF1 cells does not involve activation of adenylate cyclase/PKA signaling pathway. Portugal L, Muñóz-Garay C, Martínez de Castro DL, Soberón M, Bravo A. Insect Biochem Mol Biol. 2017 Jan;80:21-31.
“The cAMP levels were determined by using the Bridge-It cAMP designer fluorescence assay system (Mediomics, LLC, St. Louis), according to the manufacturer’s specifications.”
27. Quantitative Protein Profiling of Chlamydia trachomatis Growth Forms Reveals Defense Strategies Against Tryptophan Starvation. Østergaard O, Follmann F, Olsen AW, Heegaard NH, Andersen P, Rosenkrands I. Mol Cell Proteomics. 2016 Dec;15(12):3540-3550.
“After sterile filtration, the Trp content in the spent culture medium was determined by the Bridge-It® L-Trp assay according to the manufacturer’s instructions (Mediomics, LLC, St. Louis, MO).”
28. The Supplementation of Branched-Chain Amino Acids, Arginine, and Citrulline Improves Endurance Exercise Performance in Two Consecutive Days. Cheng IS, Wang YW, Chen IF, Hsu GS, Hsueh CF, Chang CK. J Sports Sci Med. 2016 Aug 5;15(3):509-515.
“Plasma tryptophan concentration was analyzed with a fluorescence assay (Bridge-It, Mediomics, St. Louis, MO, USA).”
29. Branched-chain amino acids, arginine, citrulline alleviate central fatigue after 3 simulated matches in taekwondo athletes: a randomized controlled trial. Chen IF, Wu HJ, Chen CY, Chou KM, Chang CK. J Int Soc Sports Nutr. 2016 Jul 13;13:28.
“Plasma free tryptophan concentration was analyzed with a fluorescence assay (Bridge-It, Mediomics, St. Louis, MO, USA).”
30. Prevention of perceptual-motor decline by branched-chain amino acids, arginine, citrulline after tennis match. Yang CC, Wu CL, Chen IF, Chang CK. Scand J Med Sci Sports. 2017 Sep;27(9):935-944.
“Plasma total tryptophan concentration was analyzed by a fluorescence assay (Bridge-It, Mediomics, St. Louis, Missouri, USA).”
31. Group III/IV muscle afferents limit the intramuscular metabolic perturbation during whole body exercise in humans. Blain GM, Mangum TS, Sidhu SK, Weavil JC, Hureau TJ, Jessop JE, Bledsoe AD, Richardson RS, Amann M. J Physiol. 2016 Sep 15;594(18):5303-15.
“Tryptophan levels were analysed using the Bridge‐It L‐Tryptophan Fluorescence Assay (Mediomics, LLC, St Louis, MO, USA).”
32. A synthetic mammalian network to compute population borders based on engineered reciprocal cell-cell communication. Kolar K, Wischhusen HM, Müller K, Karlsson M, Weber W, Zurbriggen MD. BMC Syst Biol. 2015 Dec 30;9:97.
“Interleukin-4 (IL-4) and L-tryptophan were quantified in the culture medium using an IL-4 ELISA kit (Pepro Tech, cat. no. 900-K14) or the Bridge-IT L-Tryptophan Fluorescence Assay (Mediomics, cat. no. 1-1-1002A) according to the manufacturer’s instructions, respectively.”
33. Induction of depression-related behaviors by reactivation of chronic Toxoplasma gondii infection in mice. Mahmoud ME, Ihara F, Fereig RM, Nishimura M, Nishikawa Y. Behav Brain Res. 2016 Feb 1;298(Pt B):125-33.
“Plasma l-Trp was measured by fluorescence (excitation: 485 nm, emission: 665 nm) using the Bridge-It l-Trp Fluorescence Assay kit (Mediomics, LLC).”
34. NADPH oxidase 4 regulates homocysteine metabolism and protects against acetaminophen-induced liver damage in mice. Murray TV, Dong X, Sawyer GJ, Caldwell A, Halket J, Sherwood R, Quaglia A, Dew T, Anilkumar N, Burr S, Mistry RK, Martin D, Schröder K, Brandes RP, Hughes RD, Shah AM, Brewer AC. Free Radic Biol Med. 2015 Dec;89:918-30.
“Methionine was measured in extracts from Wt and Nox4-/- mouse livers using a Bridge-It® l-Methionine (l-Met) Fluorescence Assay (mediomics) as per the manufacturer’s protocol.”
35. Targeting tgr5 to treat disease. Masyuk TV, LaRusso NF, Masyuk A, inventors; Mayo Foundation for Medical Education and Research, assignee. US20180236064A1. 2018 Aug 23.
“Production of cAMP was detected using a Bridge-It cAMP designer cAMP assay (Mediomics, St. Louis, Mo.) according to manufacturer’s protocol.”
36. AZT-induced mitochondrial toxicity: an epigenetic paradigm for dysregulation of gene expression through mitochondrial oxidative stress. Koczor CA, Jiao Z, Fields E, Russ R, Ludaway T, Lewis W. Physiol Genomics. 2015 Oct;47(10):447-54.
“For SAM quantitation, a SAM fluorescence assay was utilized (Mediomics, St. Louis, MO). Cardiac SAM abundance was quantitated against an external standard according to the manufacturer’s protocols.”
37. Pannexin 3 is required for normal progression of skeletal development in vertebrates. Oh SK, Shin JO, Baek JI, Lee J, Bae JW, Ankamerddy H, Kim MJ, Huh TL, Ryoo ZY, Kim UK, Bok J, Lee KY. FASEB J. 2015 Nov;29(11):4473-84.
“After 4 d of micromass culture, the cAMP levels in the cells were measured using the Bridge-It cAMP Designer fluorescence assay kit (Mediomics, St. Louis, MO, USA).”
38. GPR43 Potentiates β-Cell Function in Obesity. McNelis JC, Lee YS, Mayoral R, van der Kant R, Johnson AM, Wollam J, Olefsky JM. Diabetes. 2015 Sep;64(9):3203-17.
“Intracellular cAMP levels in Min6 cells and isolated islets were measured using Bridge-It cAMP Designer Fluorescence Assay Kit (Mediomics).”
39. Reciprocal regulation of amino acid import and epigenetic state through Lat1 and EZH2. Dann SG, Ryskin M, Barsotti AM, Golas J, Shi C, Miranda M, Hosselet C, Lemon L, Lucas J, Karnoub M, Wang F, Myers JS, Garza SJ, Follettie MT, Geles KG, Klippel A, Rollins RA, Fantin VR. EMBO J. 2015 Jul 2;34(13):1773-85.
“Cellular SAM was assayed using the Bridge‐It S‐adenosylmethionine cellular assay kit (Mediomics) as per the manufacturer’s instructions.”
40. Challenges in the Discovery of Indoleamine 2,3-Dioxygenase 1 (IDO1) Inhibitors. Röhrig UF, Majjigapu SR, Vogel P, Zoete V, Michielin O. J Med Chem. 2015 Dec 24;58(24):9421-37.
“245 000 compounds of Amgen’s proprietary library were screened against IDO1 and IDO2, detecting kynurenine formation by fluorescence and l-Trp consumption by the proprietary Bridge-IT Trp assay (Mediomics, LLC).”
41. Branched-chain amino acids and arginine improve performance in two consecutive days of simulated handball games in male and female athletes: a randomized trial. Chang CK, Chang Chien KM, Chang JH, Huang MH, Liang YC, Liu TH. PLoS One. 2015 Mar 24;10(3):e0121866.
“Plasma free tryptophan concentration was analyzed with a fluorescence assay according to manufacturer’s recommendation (Bridge-It, Mediomics, St. Louis, MO, USA).”
42. DNA methyltransferase 3a regulates osteoclast differentiation by coupling to an S-adenosylmethionine-producing metabolic pathway. Nishikawa K, Iwamoto Y, Kobayashi Y, Katsuoka F, Kawaguchi S, Tsujita T, Nakamura T, Kato S, Yamamoto M, Takayanagi H, Ishii M. Nat Med. 2015 Mar;21(3):281-7.
“ATP and SAM in osteoclast precursors and osteoclasts were detected using the Kinshiro ATP Luminescence kit (CosmoBio) and Bridge-It SAM Fluorescence Assay Kit (Mediomics), respectively.”
43. Seasonal postembryonic maturation of the diurnal rhythm of serotonin in the chicken pineal gland. Piesiewicz A, Kedzierska U, Turkowska E, Adamska I, Majewski PM. Chronobiol Int. 2015 Feb;32(1):59-70.
“Pineal glands were sonicated (Bandelin electronic, Berlin, Germany) in 25 ml of ice-cold sodium phosphate buffer (50mM, pH 6.8) and duplicate 10 ml aliquots were taken to measure TRP concentration with a Bridge-It L-tryptophan Fluorescence Assay Kit (Mediomics, St. Louis, MO) using a microplate fluorometer (Ascent, Thermo-labsystems, Milford, MA; excitation 485 nm/emission 680 nm).”
44. Histone methylation has dynamics distinct from those of histone acetylation in cell cycle reentry from quiescence. Mews P, Zee BM, Liu S, Donahue G, Garcia BA, Berger SL. Mol Cell Biol. 2014 Nov;34(21):3968-80.
“To quantify SAM levels, the Bridge-It SAM fluorescence assay (Mediomics) was used according to the manufacturer’s instructions.”
45. IL-1β increases expression of tryptophan 2,3-dioxygenase and stimulates tryptophan catabolism in endometrioma stromal cells. Urata Y, Koga K, Hirota Y, Akiyama I, Izumi G, Takamura M, Nagai M, Harada M, Hirata T, Yoshino O, Kawana K, Fujii T, Osuga Y. Am J Reprod Immunol. 2014 Nov;72(5):496-503.
“Concentration of tryptophan in conditioned media was measured using Bridge-It L-Tryptophan Fluorescence Assay (Mediomics, St. Louis, MO, USA) according to the manufacturer’s protocol.”
46. Neuronostatin inhibits glucose-stimulated insulin secretion via direct action on the pancreatic α-cell. Salvatori AS, Elrick MM, Samson WK, Corbett JA, Yosten GL. Am J Physiol Endocrinol Metab. 2014 Jun 1;306(11):E1257-63.
“Sample pellets were resuspended in appropriate assay buffers, and cAMP was measured by radioimmunoassay (PerkinElmer), BioTrak enzyme immunoassay (Amersham, Piscataway, NJ), or Bridge-It fluorometric assay (Mediomics, St. Louis, MO) according to the manufacturers’ protocols.”
47. Activation of the Pi3k/Akt pathway and modulation of phosphodiesterase activity via membrane progestin receptor-alpha (mPRalpha) regulate progestin-initiated sperm hypermotility in Atlantic croaker. Tan W, Thomas P. Biol Reprod. 2014 May;90(5):105.
“Phosphodiesterase activity was measured using the Bridge-It cAMP PDE Assay kit (Mediomics, St. Louis, MO).”
48. Crystal structure of human soluble adenylate cyclase reveals a distinct, highly flexible allosteric bicarbonate binding pocket. Saalau-Bethell SM, Berdini V, Cleasby A, Congreve M, Coyle JE, Lock V, Murray CW, O’Brien MA, Rich SJ, Sambrook T, Vinkovic M, Yon JR, Jhoti H. ChemMedChem. 2014 Apr;9(4):823-32.
“The enzymatic activity of hsolAC was measured in 96-well (black) plate format using the Mediomics Bridge-It Designer cAMP kit (cat #122 935, Mediomics, LLC, St. Louis, MO, USA).”
49. Dietary L-methionine supplementation mitigates gamma-radiation induced global DNA hypomethylation: enhanced metabolic flux towards S-adenosyl-L-methionine (SAM) biosynthesis increases genomic methylation potential. Batra V, Verma P. Food Chem Toxicol. 2014 Jul;69:46-54.
“l-methionine and SAM assay kit was purchased from Mediomics Inc. (St. Louis, MO, USA).”
50. 14-Deoxyandrographolide alleviates ethanol-induced hepatosteatosis through stimulation of AMP-activated protein kinase activity in rats. Mandal S, Mukhopadhyay S, Bandhopadhyay S, Sen G, Biswas T. Alcohol. 2014 Mar;48(2):123-32.
“Intracellular cAMP levels in rat hepatocytes and human hepatoma HepG2 cells (105 /mL) were measured by using Bridge-It ® cAMP Fluorescence Assay kits (Mediomics, LLC).”
51. Role of extracellular signal-regulated kinase 5 in adipocyte signaling. Zhu H, Guariglia S, Li W, Brancho D, Wang ZV, Scherer PE, Chow CW. J Biol Chem. 2014 Feb 28;289(9):6311-22.
“Phosphodiesterase activity was determined by using the Bridge-It cAMP-PDE assay kits from Mediomics.”
52. Pannexin 3 inhibits proliferation of osteoprogenitor cells by regulating Wnt and p21 signaling. Ishikawa M, Iwamoto T, Fukumoto S, Yamada Y. J Biol Chem. 2014 Jan 31;289(5):2839-51.
“The level of cAMP was determined with a Bridge-It cAMP designer fluorescence assay kit (Mediomics) and measured as previously described.”
53. MicroRNA-21-3p, a berberine-induced miRNA, directly down-regulates human methionine adenosyltransferases 2A and 2B and inhibits hepatoma cell growth. Lo TF, Tsai WC, Chen ST. PLoS One. 2013 Sep 30;8(9):e75628.
“SAM levels in the supernatants were quantified using the Bridge-It SAM fluorescence assay kit (Mediomics) and detected using SpectraMax plate reader (Molecular Devices) according to the manufacturer’s instructions.”
54. The NMRA/NMRAL1 homologue PadA modulates the expression of extracellular cAMP relay genes during aggregation in Dictyostelium discoideum. Garciandia A, Suarez T. Dev Biol. 2013 Sep 15;381(2):411-22.
“Phosphodiesterase activity was measured in freshly obtained conditioned media, from 1×107 cells/mL starved for 6.5 h (plated at 2×106 cells/cm2), using Bridge-It cAMP_PDE Assay (Mediomics LLC, IL, USA).”
55. Ciliary subcellular localization of TGR5 determines the cholangiocyte functional response to bile acid signaling. Masyuk AI, Huang BQ, Radtke BN, Gajdos GB, Splinter PL, Masyuk TV, Gradilone SA, LaRusso NF. Am J Physiol Gastrointest Liver Physiol. 2013 Jun 1;304(11):G1013-24.
“cAMP levels in cholangiocytes were measured by the Bridge-It cAMP designer cAMP assay (Mediomics, St. Louis, MO), as we have previously described, and expressed in picomoles of cAMP per microgram of protein (H69 cells) or in picomoles of cAMP per microgram of DNA (microdissected rat IBDs).”
56. The fractalkine/CX3CR1 system regulates β cell function and insulin secretion. Lee YS, Morinaga H, Kim JJ, Lagakos W, Taylor S, Keshwani M, Perkins G, Dong H, Kayali AG, Sweet IR, Olefsky J. Cell. 2013 Apr 11;153(2):413-25.
“Intracellular cAMP level of Min6 cells was measured using Bridge-it cAMP assay kit (Mediomics, LLC, USA).”
57. Evolution of Sindbis virus with a low-methionine-resistant phenotype is dependent both on a pre-existing mutation and on the methionine concentration in the medium. Stollar V, Mensah V, Adams S, Li ML. PLoS One. 2013;8(3):e60504.
“The concentration of AdoMet in cells was determined by the Bridge-It S-Adenosyl Methionine Fluorescence Assay following the manufacturer’s protocol (Mediomics).”
58. The amyloid precursor protein (APP) family members are key players in S-adenosylmethionine formation by MAT2A and modify BACE1 and PSEN1 gene expression-relevance for Alzheimer’s disease. Schrötter A, Pfeiffer K, El Magraoui F, Platta HW, Erdmann R, Meyer HE, Egensperger R, Marcus K, Müller T. Mol Cell Proteomics. 2012 Nov;11(11):1274-88.
“S-adenosylmethionine (SAM) levels were measured with Bridge-It™ S-adenosylmethionine Fluorescence Assay (Mediomics, St. Louis, MO, USA) using a 384-well microplate format.”
59. Pineal arylalkylamine N-acetyltransferase (Aanat) gene expression as a target of inflammatory mediators in the chicken. Piesiewicz A, Kedzierska U, Adamska I, Usarek M, Zeman M, Skwarlo-Sonta K, Majewski PM. Gen Comp Endocrinol. 2012 Nov 1;179(2):143-51.
“Pineal glands were sonicated (Bandelin electronic) in 25 μl of ice-cold sodium phosphate buffer (50 mM, pH 6.8) and duplicate 10 μl aliquots were taken to measure TRP concentration using a Bridge-It l-tryptophan Fluorescence Assay Kit (Mediomics).”
60. Learning and memory deficits consequent to reduction of the fragile X mental retardation protein result from metabotropic glutamate receptor-mediated inhibition of cAMP signaling in Drosophila. Kanellopoulos AK, Semelidou O, Kotini AG, Anezaki M, Skoulakis EM. J Neurosci. 2012 Sep 19;32(38):13111-24.
“The Bridge-It cAMP designer fluorescence assay system (Mediomics) was used to measure cAMP levels in all samples.”
61. Synthetic two-way communication between mammalian cells. Bacchus W, Lang M, El-Baba MD, Weber W, Stelling J, Fussenegger M. Nat Biotechnol. 2012 Oct;30(10):991-6.
“L-tryptophan levels in the medium and serum were profiled using a fluorescence-based assay kit (Mediomics, St. Louis, MO, USA, cat. no. 1-1-1001B).”
62. A role for aberrant protein palmitoylation in FFA-induced ER stress and β-cell death. Baldwin AC, Green CD, Olson LK, Moxley MA, Corbett JA. Am J Physiol Endocrinol Metab. 2012 Jun 1;302(11):E1390-8.
“Insulin accumulating in the incubation buffer was measured using the Human Insulin Pincer assay kit (Mediomics, St. Louis, MO).”
63. S-Adenosylmethionine: A Novel Factor in the Individualization of Thiopurine Therapy Mlinaric-Rascan I, Milek M, Smid A, Kuzelicki NK. In: Sanoudou D, editor. Clinical Applications of Pharmacogenetics. Rijeka: IntechOpen; 2012.
“The commercially available assay for SAM determination is a Mediomics Bridge-It® fluorescence assay based on a combination of fluorescence measurement techniques…”
64. Different effects of dibutyryl cAMP on monolayer permeability in human aortic and coronary arterial endothelial cells. Nan YS, Li SY, Kang JL, Suzuki S, Ema Y, Nishiwaki K. Afr J Microbiol Res. 2012 Feb 9;6(5):897-903.
“Measurement of intracellular cAMP in endothelial cells Intracellular cAMP was measured using a Bridge-It cAMP designer fluorescence assay kit (Mediomics, St. Louis, MO, USA) according to the manufacturer’s instructions.”
65. Purification and kinetic characterization of human indoleamine 2,3-dioxygenases 1 and 2 (IDO1 and IDO2) and discovery of selective IDO1 inhibitors. Meininger D, Zalameda L, Liu Y, Stepan LP, Borges L, McCarter JD, Sutherland CL. Biochim Biophys Acta. 2011 Dec;1814(12):1947-54.
“The activities and inhibition of IDO1, IDO2 and TDO were determined by measuring the production of the kynurenine product by kynurenine fluorescence or by the consumption of the Trp substrate using the Bridge-IT tryptophan fluorescence assay (Mediomics, St. Louis, MO).”
66. Regulation of forskolin-induced cAMP production by cytochrome P450 epoxygenase metabolites of arachidonic acid in HEK293 cells. Abukhashim M, Wiebe GJ, Seubert JM. Cell Biol Toxicol. 2011 Oct;27(5):321-32.
“Intracellular cAMP levels were measured by using commercially available kits (Mediomics).”
67. A Polymorphic Change in Amino Acid 220 (Ser220Cys) Of The Human β2- Adrenergic Receptor Encodes Receptors With Different Gs-Coupled Signal Transduction Properties McGraw DW, Brown KM. A65. Mechanisms of Airway Response to Injury (Respiratory Viruses, Cigarette Smoke, and Asthma). 2011 May 1; A2072-A2072.
“Cellular production of 125 cAMP was measured using a fluorescent assay kit (Mediomics, MO).”
68. Regulation of Sertoli cell activin A and inhibin B by tumour necrosis factor α and interleukin 1α: interaction with follicle-stimulating hormone/adenosine 3′,5′-cyclic phosphate signalling. Kazutaka S, Winnall WR, Muir JA, Hedger MP. Mol Cell Endocrinol. 2011 Mar 30;335(2):195-203.
“The commercially available assay for SAM determination is a Mediomics Bridge-It® fluorescence assay based on a combination of fluorescence measurement techniques.”
69. Airway peroxidases catalyze nitration of the β2-agonist salbutamol and decrease its pharmacological activity. Reszka KJ, Sallans L, Macha S, Brown K, McGraw DW, Kovacic MB, Britigan BE. J Pharmacol Exp Ther. 2011 Feb;336(2):440-9.
“The ability of native and nitrated salbutamol to stimulate cAMP production in airway smooth muscle cells was measured by a fluorescent detection assay using a commercially available kit (Mediomics, St. Louis, MO).”
70. Season-Related Differences in the Biosynthetic Activity of the Neonatal Chicken Pineal Gland Piesiewicz A, Podobas E, Kędzierska U, Joachimiak E, Markowska M, Majewski P, Skwarlo-Sonta K. Open Ornithol J. 2010 Oct 13;3(1):134-140.
“L-tryptophan was measured in duplicate pineal sonicate samples using a Bridge-It L-Tryptophan Fluorescence Assay Kit (Mediomics), according to the manufacturer’s protocol”
71. Posttranslational regulation of protein function and stability at the mitochondria and beyond. Nifoussi SK. PhD (Doctor of Philosophy) thesis, University of Iowa, 2010.
“Bridge-It cAMP designer assay (Mediomics) was used based on manufacturer’s protocol.”
72. Pannexin 3 regulates intracellular ATP/cAMP levels and promotes chondrocyte differentiation. Iwamoto T, Nakamura T, Doyle A, Ishikawa M, de Vega S, Fukumoto S, Yamada Y. J Biol Chem. 2010 Jun 11;285(24):18948-58.
“The level of cAMP was determined with a Bridge-It cAMP Designer fluorescence assay kit (Mediomics).”
73. Enhanced one-carbon flux towards DNA methylation: Effect of dietary methyl supplements against gamma-radiation-induced epigenetic modifications. Batra V, Sridhar S, Devasagayam TP. Chem Biol Interact. 2010 Feb 12;183(3):425-33.
“SAM assay kit was purchased from Mediomics Inc. (St. Louis, MO, USA).”
74. Low-dose of sodium arsenite causes delayed differentiation in C2C12 mouse myoblast cells through the repression of the transcription factor myogenin. Steffens A. Master’s thesis, Clemson University, 2009.
“S-adenosyl methionine (SAM) concentrations were determined using the Bridge-It SAM Fluorescence Assay (Mediomics, St. Louis, MO).”
75. Structure of a microsporidian methionine aminopeptidase type 2 complexed with fumagillin and TNP-470. Alvarado JJ, Nemkal A, Sauder JM, Russell M, Akiyoshi DE, Shi W, Almo SC, Weiss LM. Mol Biochem Parasitol. 2009 Dec;168(2):158-67.
“Recombinant human MetAP2 was purchased from Mediomics (St Louis, MO).”
76. Generation of an epigenetic signature by chronic hypoxia in prostate cells. Watson JA, Watson CJ, McCrohan AM, Woodfine K, Tosetto M, McDaid J, Gallagher E, Betts D, Baugh J, O’Sullivan J, Murrell A, Watson RW, McCann A. Hum Mol Genet. 2009 Oct 1;18(19):3594-604.
“SAM levels were quantified using the Bridge-It® SAM fluorescence assay (Mediomics).”
77. Anti-angiogenic and Anti-tumor Activity of XMT-1107, a Fumagillol-derived Polymer Conjugate, and its in vivo Release Product XMT-1191. Akullian LC, Stevenson CA, Yurkovetskiy AV, Benson JD, Fram RJ, Lowinger TB. AACR Annual Meeting. 2009 May;69(9)Suppl:670.
“MetAP2 inhibition assays were performed at Mediomics, St. Louis, MO. Special thanks to Yie-Hwa Chang.”
78. Cholangiocyte primary cilia are chemosensory organelles that detect biliary nucleotides via P2Y12 purinergic receptors. Masyuk AI, Gradilone SA, Banales JM, Huang BQ, Masyuk TV, Lee SO, Splinter PL, Stroope AJ, Larusso NF. Am J Physiol Gastrointest Liver Physiol. 2008 Oct;295(4):G725-34.
“After perfusion, an IBD was removed from the microperfusion system, and cAMP levels were measured by using the Bridge-It cAMP designer cAMP assay (Mediomics, St. Louis, MO).”
79. Effects of adenosine 5′-monophosphate on epidermal turnover. Furukawa F, Kanehara S, Harano F, Shinohara S, Kamimura J, Kawabata S, Igarashi S, Kawamura M, Yamamoto Y, Miyachi Y. Arch Dermatol Res. 2008 Oct;300(9):485-93.
“Intracellular cAMP level was measured with Bridge-It cAMP designer fluorescence assay kit (Mediomics, LLC, St. Louis, MO, USA).”
80. G protein-coupled receptor kinase 2 ablation in cardiac myocytes before or after myocardial infarction prevents heart failure. Raake PW, Vinge LE, Gao E, Boucher M, Rengo G, Chen X, DeGeorge BR Jr, Matkovich S, Houser SR, Most P, Eckhart AD, Dorn GW 2nd, Koch WJ. Circ Res. 2008 Aug 15;103(4):413-22.
“Isolated adult cardiac myocytes from sham GRK2 fl/fl and αMHC-Cre x GRK2 fl/fl were plated and after 24 hours, cAMP levels were measured using a fluorescence assay (Mediomics, LLC, St. Louis, Missouri, USA) according to the manufacturer’s instructions.”
81. Interplay between cellular methyl metabolism and adaptive efflux during oncogenic transformation from chronic arsenic exposure in human cells. Coppin JF, Qu W, Waalkes MP. J Biol Chem. 2008 Jul 11;283(28):19342-50.
“SAM levels were assayed according to manufacturer instructions using the Bridge-it® SAM fluorescence assay kit (Mediomics, St. Louis, MO).”
82. Dietary and genetic compromise in folate availability reduces acetylcholine, cognitive performance and increases aggression: critical role of S-adenosyl methionine. Chan A, Tchantchou F, Graves V, Rozen R, Shea TB. J Nutr Health Aging. 2008 Apr;12(4):252-61.
“SAM levels in homogenates of forebrain were determined by comparison to SAM standards using a Bridge-It S-Adenosyl Methionine (SAM) Fluorescence Assay Kit (Mediomics, LLC).”
83. The cyclic AMP cascade is altered in the fragile X nervous system. Kelley DJ, Davidson RJ, Elliott JL, Lahvis GP, Yin JC, Bhattacharyya A. PLoS One. 2007 Sep 26;2(9):e931.
“The Bridge-It cAMP designer fluorescence assay system (Mediomics, LLC, St. Louis, MO) was used to measure cyclic AMP levels in all samples.”
84. Octreotide inhibits hepatic cystogenesis in a rodent model of polycystic liver disease by reducing cholangiocyte adenosine 3′,5′-cyclic monophosphate. Masyuk TV, Masyuk AI, Torres VE, Harris PC, Larusso NF. Gastroenterology. 2007 Mar;132(3):1104-16.
“cAMP concentrations were determined by the Bridge-It cAMP designer cAMP assay (Mediomics, LLC, St Louis, MO).”
85. Supplementation with apple juice attenuates presenilin-1 overexpression during dietary and genetically-induced oxidative stress. Chan A, Shea TB. J Alzheimers Dis. 2006 Dec;10(4):353-8.
“SAM levels in homogenates of forebrain and in AJC were determined by comparison to SAM standards using a Bridge-It S-Adenosyl Methionine (SAM) Fluorescence Assay Kit (Mediomics, LLC) assayed on a Hitachi F2000 fluorescent spectrophotometer.”
86. Cholangiocyte cilia detect changes in luminal fluid flow and transmit them into intracellular Ca2+ and cAMP signaling. Masyuk AI, Masyuk TV, Splinter PL, Huang BQ, Stroope AJ, LaRusso NF. Gastroenterology. 2006 Sep;131(3):911-20.
“The concentrations of cAMP were determined by the Bridge-It™ cAMP designer cAMP assay (Mediomics, LLC, St. Louis, MO). ”
87. Netrins promote developmental and therapeutic angiogenesis. Wilson BD, Ii M, Park KW, Suli A, Sorensen LK, Larrieu-Lahargue F, Urness LD, Suh W, Asai J, Kock GA, Thorne T, Silver M, Thomas KR, Chien CB, Losordo DW, Li DY. Science. 2006 Aug 4;313(5787):640-4.
“Two different cAMP measurement systems were utilized (Mediomics and Assay Designs); similar results were obtained with each assessment.”
88. A mechanism of cell death involving an adenylyl cyclase/PKA signaling pathway is induced by the Cry1Ab toxin of Bacillus thuringiensis. Zhang X, Candas M, Griko NB, Taussig R, Bulla LA Jr. Proc Natl Acad Sci USA. 2006 Jun 27;103(26):9897-902
“ICells were incubated with isobutyl-1-methylxanthine (0.5 mM) before the addition of Cry1Ab, and cAMP was measured by using the Bridge-It cAMP Assay (Mediomics) in S5 and H5 cells(3 x 104). ”
89. Oxidant-induced activation of type I protein kinase A is mediated by RI subunit interprotein disulfide bond formation. Brennan JP, Bardswell SC, Burgoyne JR, Fuller W, Schröder E, Wait R, Begum S, Kentish JC, Eaton P. J Biol Chem. 2006 Aug 4;281(31):21827-36.
“cAMP was measured in cells treated with H2O2 or isoprenaline using a Bridge-It cAMP designer fluorescence assay kit according to the manufacturer’s guidelines (Mediomics).”
90. Inhibition of melanoma tumor growth by a pharmacological inhibitor of MetAP-2, PPI-2458. Hannig G, Lazarus DD, Bernier SG, Karp RM, Lorusso J, Qiu D, Labenski MT, Wakefield JD, Thompson CD, Westlin WF. Int J Oncol. 2006 Apr;28(4):955-63.
“For protein detection in cell lysates, we used the following antibodies: MetAP-1 polyclonal antibody (Mediomics)…”
91. A novel methionine aminopeptidase-2 inhibitor, PPI-2458, inhibits non-Hodgkin’s lymphoma cell proliferation in vitro and in vivo. Cooper AC, Karp RM, Clark EJ, Taghizadeh NR, Hoyt JG, Labenski MT, Murray MJ, Hannig G, Westlin WF, Thompson CD. Clin Cancer Res. 2006 Apr 15;12(8):2583-90.
“Human recombinant MetAP-2 (Mediomics, St. Louis, MO), prebound to the biotinylated PPI-2458 analogue, was used to generate a standard curve for quantitation for each individual assay.”
92. A fluorescence-based second messenger assay to identify small molecule antagonists of somatostatin. White CA, Sowa JR, Blake AD. ASPET. 2006 Mar;48(1):31.
“Intracellular cAMP levels were quantified using a Bridge-It cAMP Designer Fluorescence Assay (Mediomics, LLC, St Louis, MO), which replaced more conventional radioimmunoassay methods.”
93. The soy isoflavone genistein blocks transforming growth factor b1‐stimulated lung fibroblast to myofibroblast transformation. Kalhan R, Thavarajah K, Nlend MC, Nair A, Smith LJ, Sporn PHS. J Investig Med. 2006;54:S354.
“Using an assay in which reductions in fluorescence intensity are associated with increasing cAMP levels (Mediomics, LLC), we quantified cAMP levels in neurospheres (NS) and differentiated cells (DC) from the human cortical fragile X (M049) and control…”
94. Intracellular entrapment of wild-type TSH receptor by oligomerization with mutants linked to dominant TSH resistance. Calebiro D, de Filippis T, Lucchi S, Covino C, Panigone S, Beck-Peccoz P, Dunlap D, Persani L. Hum Mol Genet. 2005 Oct 15;14(20):2991-3002.
“cAMP assay was performed using Bridge-It cAMP Designer Fluorescence Assay (Mediomics LLC) in 96-well, black, round-bottom plates, according to manufacturer’s instructions.”
95. Vascular smooth muscle overexpression of G protein-coupled receptor kinase 5 elevates blood pressure, which segregates with sex and is dependent on Gi-mediated signaling. Keys JR, Zhou RH, Harris DM, Druckman CA, Eckhart AD. Circulation. 2005 Aug 23;112(8):1145-53.
“cAMP accumulation was measured by use of a Bridge-It cAMP assay kit according to the manufacturer’s instructions (Mediomics, LLC).”
96. A methionine aminopeptidase-2 inhibitor, PPI-2458, for the treatment of rheumatoid arthritis. Bernier SG, Lazarus DD, Clark E, Doyle B, Labenski MT, Thompson CD, Westlin WF, Hannig G. Proc Natl Acad Sci USA. 2004 Jul 20;101(29):10768-73.
“Human recombinant MetAP-2 (Mediomics), prebound to the biotinylated PPI-2458 analog, was used to generate the standard curve.”

Our Publications

  1. Tian L, Simmons GW, Chang YH. Protein O-GlcNAcylation. JSM Biochem Mol Biol 1, 1005, 2013.
  2. Tian L, Wang RE, Chang YH. Molecular PINCERs® for biomarker analysis and their potential application in hepatitis C diagnosis. Antivir Ther. 2012, 17, 1437-1442.
  3. Wang RE, Tian L, Chang YH. A homogeneous fluorescent sensor for human serum albumin. J Pharm Biomed Anal. 7, 165-169, 2012.
  4. Tian L, Wang RE, Fei Y, Chang YH. A homogeneous fluorescent assay for cAMP-phosphodiesterase enzyme activity. J Biomol Screen. 17, 409-14, 2012.
  5. Heyduk E, Moxley MM, Salvator A, Corbett JA, Heyduk T.Homogeneous insulin and C-peptide sensors for rapid assessment of insulin and C-peptide secretion by the islets.Diabetes. 59, 2360-2365, 2010.
  6. Heyduk E, Heyduk T. Fluorescent homogeneous immunosensors for detecting pathogenic bacteria. Analytical Biochemistry 396, 298-303, 2010.
  7. Tian L, Heyduk T. Antigen Peptide-Based Immunosensors Rapid Detection of Antibodies and Antigens. Anal. Chem. 81, 5218-5225, 2009.
  8. Tian L, Heyduk T. Bivalent ligands with long nanometer-scale flexible linkers. Biochemistry, 48, 264-275, 2009.
  9. Heyduk E, Dummit B, Chang YH, Heyduk T. Molecular pincers – new antibody-based homogeneous protein sensors. Anal. Chem. 80, 5152-5159, 2008.
  10. Heyduk E, Heyduk T. Nucleic-acid based sensors for detecting proteins. Analyt. Chem. 77, 1147-1156, 2005.
  11. Knoll E, Heyduk T. Unimolecular beacons for detection of DNA binding proteins. Analyt. Chem. 76, 1156-1164, 2004.
  12. Heyduk E, Fei Y, Heyduk T. Homogenous fluorescence assay for cAMP. Combinatorial Chemistry and High-throughput Screening 6, 183-194, 2003.
  13. Heyduk E, Knoll E, Heyduk T. Molecular beacons for detecting DNA binding proteins: mechanism of action. Analyt. Biochem. 316, 1-10, 2003.
  14. Heyduk T, Heyduk E. Molecular beacons for detecting DNA binding proteins. Nature Biotechnology,20, 171-176, 2002.