DEPARTMENT of PHYSIOLOGY

Paul Titchenell, PhD

Assistant Professor

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Lab Website

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Smilow Center for Translational Research

3400 Civic Center Blvd

Room: 12-104

Philadelphia, PA 19104

Office: 215-573-1872

Lab: 215-573-1875

ptitc@pennmedicine.upenn.edu

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Paul Titchenell, PhD

Assistant Professor of Physiology

Research Interests

Insulin signaling, Insulin resistance, Metabolism

Research Description

My research interests are focused on the regulation of metabolism by hormones and nutrients, with a particular emphasis on the master regulators of organismal metabolism, insulin and glucose. Alterations in insulin and glucose signaling underlie metabolic disease and lead to the development of deadly vascular and neuronal complications. Through the use of various techniques encompassing molecular biology, biochemistry, metabolomics, genome-wide transcriptional techniques and whole-animal physiology, the long-term goals of my research program are to decipher the underlying mechanisms driving metabolic deregulation during disease and identify new therapies that improve metabolic control.

Lab Members

Matthew Gavin (Research Specialist)

Natasha Jaiswal, Ph.D. (Postdoctoral Researcher)

Kahea Uehara (PhD student, BMB graduate group)

Jaimarie Sostre (PhD student, CAMB graduate group)

Dominic Santoleri (PhD student, BMB graduate group)

Anna Garcia Whitlock, M.D. (PhD student, CAMB graduate group)

Rebecca Gelfer (Undergraduate, Vagelos Life Scholars Program)

Brennan Rose (Undergraduate)

Nicole Rivera Fuentes (Undergraduate, SUIP)

Selected Publications

• Quinn William J, Wan Min, Shewale Swapnil V, Gelfer Rebecca, Rader Daniel J, Birnbaum Morris J, Titchenell Paul M: mTORC1 stimulates phosphatidylcholine synthesis to promote triglyceride secretion. The Journal of clinical investigation 127(11): 4207-4215, Nov 2017.

• Titchenell Paul M, Lazar Mitchell A, Birnbaum Morris J: Unraveling the Regulation of Hepatic Metabolism by Insulin. Trends in endocrinology and metabolism: TEM Apr 2017.

• Papazyan Romeo, Sun Zheng, Kim Yong Hoon, Titchenell Paul M, Hill David A, Lu Wenyun, Damle Manashree, Wan Min, Zhang Yuxiang, Briggs Erika R, Rabinowitz Joshua D, Lazar Mitchell A: Physiological Suppression of Lipotoxic Liver Damage by Complementary Actions of HDAC3 and SCAP/SREBP. Cell metabolism 24(6): 863-874, Dec 2016.

• Jang Hagoon, Lee Gha Young, Selby Christopher P, Lee Gung, Jeon Yong Geun, Lee Jae Ho, Cheng Kenneth King Yip, Titchenell Paul, Birnbaum Morris J, Xu Aimin, Sancar Aziz, Kim Jae Bum: SREBP1c-CRY1 signalling represses hepatic glucose production by promoting FOXO1 degradation during refeeding. Nature communications 7: 12180, Jul 2016.

• Titchenell Paul M, Quinn William J, Lu Mingjian, Chu Qingwei, Lu Wenyun, Li Changhong, Chen Helen, Monks Bobby R, Chen Julia, Rabinowitz Joshua D, Birnbaum Morris J: Direct Hepatocyte Insulin Signaling Is Required for Lipogenesis but Is Dispensable for the Suppression of Glucose Production. Cell metabolism 23(6): 1154-66, Jun 2016.

• Titchenell Paul M, Chu Qingwei, Monks Bobby R, Birnbaum Morris J: Hepatic insulin signalling is dispensable for suppression of glucose output by insulin in vivo. Nature communications 6: 7078, May 2015.

• Perry Rachel J, Camporez João-Paulo G, Kursawe Romy, Titchenell Paul M, Zhang Dongyan, Perry Curtis J, Jurczak Michael J, Abudukadier Abulizi, Han Myoung Sook, Zhang Xian-Man, Ruan Hai-Bin, Yang Xiaoyong, Caprio Sonia, Kaech Susan M, Sul Hei Sook, Birnbaum Morris J, Davis Roger J, Cline Gary W, Petersen Kitt Falk, Shulman Gerald I: Hepatic acetyl CoA links adipose tissue inflammation to hepatic insulin resistance and type 2 diabetes. Cell 160(4): 745-58, Feb 2015.

Click here for a full list of publications.
(searches the National Library of Medicine's PubMed database.)

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