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Faculty Profiles

Jack Youngren, PhD
Associate Adjunct Professor

2340 Sutter Street
San Francisco, CA 94115

Education and Training

Location Degree or Training Specialty Date
University of California, San Francisco Postdoctoral Studies Graduate Division

Related Web Sites

In the News

Awarded Grants

Project Title Project Number Fiscal Year
Bio-Organic Biomedical Mass Spectrometry Resource P41RR001614 2015
Recent Articles (55)

Aggarwal R, Behr SC, Paris PL, Truillet C, Parker MFL, Huynh LT, Wei J, Hann B, Youngren J, Huang J, Premasekharan G, Ranatunga N, Chang E, Gao KT, Ryan CJ, Small EJ, Evans MJ. Real-Time Transferrin-Based PET Detects MYC-Positive Prostate Cancer. Mol Cancer Res. 2017 Sep; 15(9):1221-1229.

Holmes MG, Foss E, Joseph G, Foye A, Beckett B, Motamedi D, Youngren J, Thomas GV, Huang J, Aggarwal R, Alumkal JJ, Beer TM, Small EJ, Link TM. CT-Guided Bone Biopsies in Metastatic Castration-Resistant Prostate Cancer: Factors Predictive of Maximum Tumor Yield. J Vasc Interv Radiol. 2017 Aug; 28(8):1073-1081.e1.

Quigley D, Alumkal JJ, Wyatt AW, Kothari V, Foye A, Lloyd P, Aggarwal R, Kim W, Lu E, Schwartzman J, Beja K, Annala M, Das R, Diolaiti M, Pritchard C, Thomas G, Tomlins S, Knudsen K, Lord CJ, Ryan C, Youngren J, Beer TM, Ashworth A, Small EJ, Feng FY. Analysis of Circulating Cell-Free DNA Identifies Multiclonal Heterogeneity of BRCA2 Reversion Mutations Associated with Resistance to PARP Inhibitors. Cancer Discov. 2017 Sep; 7(9):999-1005.

Azad AA, Volik SV, Wyatt AW, Haegert A, Le Bihan S, Bell RH, Anderson SA, McConeghy B, Shukin R, Bazov J, Youngren J, Paris P, Thomas G, Small EJ, Wang Y, Gleave ME, Collins CC, Chi KN. Androgen Receptor Gene Aberrations in Circulating Cell-Free DNA: Biomarkers of Therapeutic Resistance in Castration-Resistant Prostate Cancer. Clin Cancer Res. 2015 May 15; 21(10):2315-24.

Catalano KJ, Maddux BA, Szary J, Youngren JF, Goldfine ID, Schaufele F. Insulin resistance induced by hyperinsulinemia coincides with a persistent alteration at the insulin receptor tyrosine kinase domain. PLoS One. 2014; 9(9):e108693.

Masharani U, Gjerde C, McCoy S, Maddux BA, Hessler D, Goldfine ID, Youngren JF. Chromium supplementation in non-obese non-diabetic subjects is associated with a decline in insulin sensitivity. BMC Endocr Disord. 2012 Nov 30; 12:31.

Troib A, Landau D, Youngren JF, Kachko L, Rabkin R, Segev Y. The effects of type 1 IGF receptor inhibition in a mouse model of diabetic kidney disease. Growth Horm IGF Res. 2011 Oct; 21(5):285-91.

Masharani UB, Maddux BA, Li X, Sakkas GK, Mulligan K, Schambelan M, Goldfine ID, Youngren JF. Insulin resistance in non-obese subjects is associated with activation of the JNK pathway and impaired insulin signaling in skeletal muscle. PLoS One. 2011 May 11; 6(5):e19878.

Engen W, O'Brien TE, Kelly B, Do J, Rillera L, Stapleton LK, Youngren JF, Anderson MO. Synthesis of aryl-heteroaryl ureas (AHUs) based on 4-aminoquinoline and their evaluation against the insulin-like growth factor receptor (IGF-1R). Bioorg Med Chem. 2010 Aug 15; 18(16):5995-6005.

Masharani U, Gjerde C, Evans JL, Youngren JF, Goldfine ID. Effects of controlled-release alpha lipoic acid in lean, nondiabetic patients with polycystic ovary syndrome. J Diabetes Sci Technol. 2010 Mar 01; 4(2):359-64.

Masharani U, Goldfine ID, Youngren JF. Influence of gender on the relationship between insulin sensitivity, adiposity, and plasma lipids in lean nondiabetic subjects. Metabolism. 2009 Nov; 58(11):1602-8.

Li F, Pham JD, Anderson MO, Youngren JF. Nordihydroguaiaretic acid inhibits transforming growth factor beta type 1 receptor activity and downstream signaling. Eur J Pharmacol. 2009 Aug 15; 616(1-3):31-7.

Ryan CJ, Zavodovskaya M, Youngren JF, Campbell M, Diamond M, Jones J, Shiry L, Allan G, Maddux BA, Goldfine ID. Inhibitory effects of nordihydroguaiaretic acid (NDGA) on the IGF-1 receptor and androgen dependent growth of LAPC-4 prostate cancer cells. Prostate. 2008 Aug 01; 68(11):1232-40.

Ryan CJ, Harzstark AH, Rosenberg J, Lin A, Claros C, Goldfine ID, Kerner JF, Small EJ, Youngren JF. A pilot dose-escalation study of the effects of nordihydroguareacetic acid on hormone and prostate specific antigen levels in patients with relapsed prostate cancer. BJU Int. 2008 Feb; 101(4):436-9.

Zavodovskaya M, Campbell MJ, Maddux BA, Shiry L, Allan G, Hodges L, Kushner P, Kerner JA, Youngren JF, Goldfine ID. Nordihydroguaiaretic acid (NDGA), an inhibitor of the HER2 and IGF-1 receptor tyrosine kinases, blocks the growth of HER2-overexpressing human breast cancer cells. J Cell Biochem. 2008 Feb 01; 103(2):624-35.

Goldfine ID, Maddux BA, Youngren JF, Reaven G, Accili D, Trischitta V, Vigneri R, Frittitta L. The role of membrane glycoprotein plasma cell antigen 1/ectonucleotide pyrophosphatase phosphodiesterase 1 in the pathogenesis of insulin resistance and related abnormalities. Endocr Rev. 2008 Feb; 29(1):62-75.

Meyer GE, Chesler L, Liu D, Gable K, Maddux BA, Goldenberg DD, Youngren JF, Goldfine ID, Weiss WA, Matthay KK, Rosenthal SM. Nordihydroguaiaretic acid inhibits insulin-like growth factor signaling, growth, and survival in human neuroblastoma cells. J Cell Biochem. 2007 Dec 15; 102(6):1529-41.

Li X, Youngren JF, Hyun B, Sakkas GK, Mulligan K, Majumdar S, Masharani UB, Schambelan M, Goldfine ID. Technical evaluation of in vivo abdominal fat and IMCL quantification using MRI and MRSI at 3 T. Magn Reson Imaging. 2008 Feb; 26(2):188-97.

Blecha JE, Anderson MO, Chow JM, Guevarra CC, Pender C, Penaranda C, Zavodovskaya M, Youngren JF, Berkman CE. Inhibition of IGF-1R and lipoxygenase by nordihydroguaiaretic acid (NDGA) analogs. Bioorg Med Chem Lett. 2007 Jul 15; 17(14):4026-9.

Youngren JF. Regulation of insulin receptor function. Cell Mol Life Sci. 2007 Apr; 64(7-8):873-91.

Pender C, Trentadue AR, Pories WJ, Dohm GL, Houmard JA, Youngren JF. Expression of genes regulating malonyl-CoA in human skeletal muscle. J Cell Biochem. 2006 Oct 15; 99(3):860-7.

Anderson MO, Yu H, Penaranda C, Maddux BA, Goldfine ID, Youngren JF, Guy RK. Parallel synthesis of diarylureas and their evaluation as inhibitors of insulin-like growth factor receptor. J Comb Chem. 2006 Sep-Oct; 8(5):784-90.

Gable KL, Maddux BA, Penaranda C, Zavodovskaya M, Campbell MJ, Lobo M, Robinson L, Schow S, Kerner JA, Goldfine ID, Youngren JF. Diarylureas are small-molecule inhibitors of insulin-like growth factor I receptor signaling and breast cancer cell growth. Mol Cancer Ther. 2006 Apr; 5(4):1079-86.

Maddux BA, Chang YN, Accili D, McGuinness OP, Youngren JF, Goldfine ID. Overexpression of the insulin receptor inhibitor PC-1/ENPP1 induces insulin resistance and hyperglycemia. Am J Physiol Endocrinol Metab. 2006 Apr; 290(4):E746-9.

Youngren JF, Gable K, Penaranda C, Maddux BA, Zavodovskaya M, Lobo M, Campbell M, Kerner J, Goldfine ID. Nordihydroguaiaretic acid (NDGA) inhibits the IGF-1 and c-erbB2/HER2/neu receptors and suppresses growth in breast cancer cells. Breast Cancer Res Treat. 2005 Nov; 94(1):37-46.

Pender C, Goldfine ID, Kulp JL, Tanner CJ, Maddux BA, MacDonald KG, Houmard JA, Youngren JF. Analysis of insulin-stimulated insulin receptor activation and glucose transport in cultured skeletal muscle cells from obese subjects. Metabolism. 2005 May; 54(5):598-603.

Dong H, Maddux BA, Altomonte J, Meseck M, Accili D, Terkeltaub R, Johnson K, Youngren JF, Goldfine ID. Increased hepatic levels of the insulin receptor inhibitor, PC-1/NPP1, induce insulin resistance and glucose intolerance. Diabetes. 2005 Feb; 54(2):367-72.

Corbould A, Kim YB, Youngren JF, Pender C, Kahn BB, Lee A, Dunaif A. Insulin resistance in the skeletal muscle of women with PCOS involves intrinsic and acquired defects in insulin signaling. Am J Physiol Endocrinol Metab. 2005 May; 288(5):E1047-54.

Evans JL, Youngren JF, Goldfine ID. Effective treatments for insulin resistance: trim the fat and douse the fire. Trends Endocrinol Metab. 2004 Nov; 15(9):425-31.

Pender C, Goldfine ID, Tanner CJ, Pories WJ, MacDonald KG, Havel PJ, Houmard JA, Youngren JF. Muscle insulin receptor concentrations in obese patients post bariatric surgery: relationship to hyperinsulinemia. Int J Obes Relat Metab Disord. 2004 Mar; 28(3):363-9.

Pender C, Goldfine ID, Manchem VP, Evans JL, Spevak WR, Shi S, Rao S, Bajjalieh S, Maddux BA, Youngren JF. Regulation of insulin receptor function by a small molecule insulin receptor activator. J Biol Chem. 2002 Nov 15; 277(46):43565-71.

Li M, Youngren JF, Dunaif A, Goldfine ID, Maddux BA, Zhang BB, Evans JL. Decreased insulin receptor (IR) autophosphorylation in fibroblasts from patients with PCOS: effects of serine kinase inhibitors and IR activators. J Clin Endocrinol Metab. 2002 Sep; 87(9):4088-93.

Stefan N, Vozarova B, Funahashi T, Matsuzawa Y, Weyer C, Lindsay RS, Youngren JF, Havel PJ, Pratley RE, Bogardus C, Tataranni PA. Plasma adiponectin concentration is associated with skeletal muscle insulin receptor tyrosine phosphorylation, and low plasma concentration precedes a decrease in whole-body insulin sensitivity in humans. Diabetes. 2002 Jun; 51(6):1884-8.

Pender C, Ortmeyer HK, Hansen BC, Goldfine ID, Youngren JF. Elevated plasma cell membrane glycoprotein levels and diminished insulin receptor autophosphorylation in obese, insulin-resistant rhesus monkeys. Metabolism. 2002 Apr; 51(4):465-70.

Youngren JF, Paik J, Barnard RJ. Impaired insulin-receptor autophosphorylation is an early defect in fat-fed, insulin-resistant rats. J Appl Physiol (1985). 2001 Nov; 91(5):2240-7.

Li M, Youngren JF, Manchem VP, Kozlowski M, Zhang BB, Maddux BA, Goldfine ID. Small molecule insulin receptor activators potentiate insulin action in insulin-resistant cells. Diabetes. 2001 Oct; 50(10):2323-8.

Youngren JF, Keen S, Kulp JL, Tanner CJ, Houmard JA, Goldfine ID. Enhanced muscle insulin receptor autophosphorylation with short-term aerobic exercise training. Am J Physiol Endocrinol Metab. 2001 Mar; 280(3):E528-33.

Shao J, Catalano PM, Yamashita H, Ruyter I, Smith S, Youngren J, Friedman JE. Decreased insulin receptor tyrosine kinase activity and plasma cell membrane glycoprotein-1 overexpression in skeletal muscle from obese women with gestational diabetes mellitus (GDM): evidence for increased serine/threonine phosphorylation in pregnancy and GDM. Diabetes. 2000 Apr; 49(4):603-10.

Goldfine ID, Maddux BA, Youngren JF, Trischitta V, Frittitta L. Role of PC-1 in the etiology of insulin resistance. Ann N Y Acad Sci. 1999 Nov 18; 892:204-22.

Youngren JF, Goldfine ID, Pratley RE. Insulin receptor autophosphorylation in cultured myoblasts correlates to glucose disposal in Pima Indians. Am J Physiol. 1999 May; 276(5 Pt 1):E990-4.

Goldfine ID, Maddux BA, Youngren JF, Frittitta L, Trischitta V, Dohm GL. Membrane glycoprotein PC-1 and insulin resistance. Mol Cell Biochem. 1998 May; 182(1-2):177-84.

Goldfine ID, Youngren JF. Contributions of the American Journal of Physiology to the discovery of insulin. Am J Physiol. 1998 Feb; 274(2 Pt 1):E207-9.

Youngren JF, Goldfine ID, Pratley RE. Decreased muscle insulin receptor kinase correlates with insulin resistance in normoglycemic Pima Indians. Am J Physiol. 1997 Aug; 273(2 Pt 1):E276-83.

Frittitta L, Youngren JF, Sbraccia P, D'Adamo M, Buongiorno A, Vigneri R, Goldfine ID, Trischitta V. Increased adipose tissue PC-1 protein content, but not tumour necrosis factor-alpha gene expression, is associated with a reduction of both whole body insulin sensitivity and insulin receptor tyrosine-kinase activity. Diabetologia. 1997 Mar; 40(3):282-9.

Ozel B, Youngren JF, Kim JK, Goldfine ID, Sung CK, Youn JH. The development of insulin resistance with high fat feeding in rats does not involve either decreased insulin receptor tyrosine kinase activity or membrane glycoprotein PC-1. Biochem Mol Med. 1996 Dec; 59(2):174-81.

Frittitta L, Youngren J, Vigneri R, Maddux BA, Trischitta V, Goldfine ID. PC-1 content in skeletal muscle of non-obese, non-diabetic subjects: relationship to insulin receptor tyrosine kinase and whole body insulin sensitivity. Diabetologia. 1996 Oct; 39(10):1190-5.

Youngren JF, Maddux BA, Sasson S, Sbraccia P, Tapscott EB, Swanson MS, Dohm GL, Goldfine ID. Skeletal muscle content of membrane glycoprotein PC-1 in obesity. Relationship to muscle glucose transport. Diabetes. 1996 Oct; 45(10):1324-8.

Youngren JF, Barnard RJ. Effects of acute and chronic exercise on skeletal muscle glucose transport in aged rats. J Appl Physiol (1985). 1995 May; 78(5):1750-6.

Maddux BA, Sbraccia P, Kumakura S, Sasson S, Youngren J, Fisher A, Spencer S, Grupe A, Henzel W, Stewart TA. Membrane glycoprotein PC-1 and insulin resistance in non-insulin-dependent diabetes mellitus. Nature. 1995 Feb 02; 373(6513):448-51.

Barnard RJ, Youngren JF, Martin DA. Diet, not aging, causes skeletal muscle insulin resistance. Gerontology. 1995; 41(4):205-11.

Barnard RJ, Youngren JF. Regulation of glucose transport in skeletal muscle. FASEB J. 1992 Nov; 6(14):3238-44.

Barnard RJ, Lawani LO, Martin DA, Youngren JF, Singh R, Scheck SH. Effects of maturation and aging on the skeletal muscle glucose transport system. Am J Physiol. 1992 May; 262(5 Pt 1):E619-26.

Scheck SH, Barnard RJ, Lawani LO, Youngren JF, Martin DA, Singh R. Effects of NIDDM on the glucose transport system in human skeletal muscle. Diabetes Res. 1991 Mar; 16(3):111-9.

Barnard RJ, Youngren JF, Kartel DS, Martin DA. Effects of streptozotocin-induced diabetes on glucose transport in skeletal muscle. Endocrinology. 1990 Apr; 126(4):1921-6.

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