Faculty | Infectious Diseases Division

Katharine J Bar, MD

Instructor A of Medicine

Attending Physician, Hospital of the University of Pennsylvania

Instructor A, Perelman School of Medicine, University of Pennsylvania

Department: Medicine

Contact information

502 D Johnson Pavilion
3610 Hamilton Walk
Philadelphia, PA 19104-6073

Office: (215)-573-8794
Fax: (215)349-5111

Email:
bark@mail.med.upenn.edu

Education:
BA (Biochemistry and African History, Honors)
Northwestern University, Evanston, IL, 1997.
MD
University of Iowa College of Medicine, Iowa City, IA, 2002.

Post-Graduate Training
Intern and Resident, Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA, 2002-2005.
Chief Medical Resident, Department of Internal Medicine, Virginia Commonwealth University, Richmond, VA, 2005-2006.
Fellow Division of Infectious Disease, Department of Medicine, University of Alabama School of Medicine, Birmingham, AL, 2006-2009.
Clinical and PostDoctoral Research Fellow, Division of Infectious Diseases, Department of Medicine, University of Alabama School of Medicine, Birmingham, AL, 2007-2009.
Chief Fellow Division of Infectious Disease, Department of Medicine, University of Alabama School of Medicine, Birmingham, AL, 2008-2009.

Certifications
Diplomate, National Board of Medical Examiners, 2003.
Diplomate, American Board of Internal Medicine, No. 265961, 2005.
Diplomate, American Board of Internal Medicine, Subspecialty Board, Infectious Disease, No. 265961, 2009.

Permanent link

> Perelman School of Medicine > Faculty > Details

Description of Research Expertise

HIV

Selected Publications

Lopker M, Easlick J, Sterrett S, Decker JM, Barbian, Learn G, Keele BF, Robinson JE, Li H, Hahn BH, Shaw GM and Bar KJ : Heterogeneity in neutralization sensitivity of viruses comprising the simian immunodeficiency virus SIVsmE660 isolate and vaccine challenge stock. Journal of Virology 87(10): 5477-92, May 2013.

Li H, Sterrett S, Chen Y, Hahn BH, Pfafferott K, John M, Mallal S, Shaw GM and Bar KJ: Molecular mechanisms of HIV-1 prophylaxis failure revealed by single genome sequencing. Journal of Infectious Diseases 2013 Notes: Accepted

Bar KJ, Tsao C, Iyer SS, Decker JM, Yang Y, Bonsignori M, Chen X, Hwang K, Montefiori DC, Liao H, Hraber P, Fischer W, Li H, Wang S, Sterett S, Keele BF, Ganusov VV, Perelson AS, Korber BT, Georgiev I, McLellan JS, Pavlicek JW, Gao F, Haynes BF, Hahn BH, Kwong PD, and Shaw GM: Early Low-Titer Neutralizing Antibodies Impede HIV-1 Replication and Select for Virus Escape. PLoS Pathogens 8(5): e1002721, May 2012.

Katharine Bar, Chun Yen Tsao, Youdong Mao, Vitaly Ganusov, Peter Hraber, Beatrice Hahn, Barton Haynes, Joseph Sodroski, Peter Kwong, and George Shaw: Early Appearance of Low-Titer Neutralizing Antibodies Against Conformational Envelope Epitopes Selects for HIV-1 Escapev. Conference on Retroviruses and Opportunistic Infections, Seattle, WA(C131), March 2012.

Bar KJ, Sterrett S, Li H, Hahn BH, and Shaw GM.: Increased Multiple Variant Transmission in VAX003 Injection Drug Users. Conference on Retroviruses and Opportunistic Infections, Seattle, WA(F128), March 2012.

Bar KJ, Sterrett S, Li H, Hahn BH, and Shaw GM: Increased Multivariant Transmission in VAX003 Injection Drug Users. Center for HIV/AIDS Vaccine Immunology 7th Annual Retreat, Durham, NC October 2011.

Liao H, Chen X, Munshaw S, Zhang R, Marshall DJ, Vandergrift N, Whitesides JF, Lu X, Yu J, Hwang K, Gao F, Markowitz M, Heath SL, Bar KJ, Goepfert P, Montefiori D, Shaw GM, Alam M, Margolis D, Denny TN, Boyd SD, Marshal E, Egholm M, Simen B, Hanczaruk B, Fire AZ, Voss G, Kelsoe G, Tomaras G, Moody MA, Kepler TB, and Haynes BF: Initial Antibodies to Transmitted HIV-1 gp41 Env are Polyreactive and Have Characteristics of Origin from Mutated Memory B Cells. J Exp Med 208(11): 2237-49, October 2011.

Bar KJ, Sterrett S, Li H, Hahn BH and Shaw GM: Multivariant HIV-1 Transmission in Thai Injection Drug Users. Conference on Retroviruses and Opportunistic Infections, Boston, MA February 2011 Notes: Poster presentation.

Bar KJ, Decker JM, Ganusov VV, Li H, McClellan JS, Yang Y, Pavlicek J, Keele BF, Gao F, Perelson AS, Kwong PD, Hahn BH and Shaw GM: Molecular targets and potency of HIV-1 neutralization in vivo revealed by dynamic assessment of transmitted/founder virus antibody recognition and escape. AIDS Vaccine 2010, Atlanta, GA October 2010 Notes: Poster presentation.

Bar KJ, Li H, Chamberland A, Tremblay C, Routy JP, Grayson T, Sun C, Learn GH, Morgan CJ, Schumacher JE, Haynes BF, Keele BF, Hahn BH and Shaw GM: Wide Variation in the Multiplicity of HIV-1 Infection Among Injection Drug Users. J Virol 84(12): 6421-6427, Jun 2010.