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Christina A. Twyman-St. Victor, MD

Christina A. Twyman-St. Victor, MD Physician

Assistant Professor of Medicine
Assistant Professor of Radiation Oncology

Dr. Twyman-St. Victor is a Penn Medicine employed physician.

Clinical Specialties

Specialty:

  • Medicine
    • Gastroenterology

Programs & Centers:

Board Certification:

  • Gastroenterology, 2013
  • Internal Medicine, 2010

Description of Clinical Expertise

General gastroenterology and endoscopy (e.g. EGD and colonoscopy)

Practice Locations and Appointments

  • Gastroenterology

    Perelman Center for Advanced Medicine South Pavilion, 4th Floor 3400 Civic Center Boulevard Philadelphia, PA 19104 800-789-PENN (7366)

    A facility of the Hospital of the University of Pennsylvania

Insurance Accepted

  • Aetna US Healthcare
  • Cigna
  • Cigna HealthSpring
  • CVS Health
  • Devon Health Services (Americare)
  • Gateway Health Plan
  • Geisinger Health Plan
  • HealthAmerica / HealthAssurance, a Coventry Plan
  • HealthPartners
  • HealthPartners Medicare
  • HealthSmart
  • Highmark Blue Shield
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana / Choicecare
  • Independence Blue Cross (Keystone East)
  • Intergroup
  • Keystone First
  • Multiplan
  • NJ Medicaid
  • NJ Qualcare
  • Oxford Health Plan
  • PA Medicaid
  • PA Medicare
  • Preferred Health Care/LGH
  • Rail Road Medicare / Palmetto GBA
  • Remedy Partners at Penn Medicine
  • Tricare
  • United Healthcare
  • UnitedHealthcare Community Plan
  • US Family Health Plan

Education and Training

Medical School: Johns Hopkins University
Residency: Johns Hopkins Hospital
Fellowship: Hospital of the University of Pennsylvania

Memberships

AGA Research Awards Panel Committee, National American Association for Cancer Research, National American Gastroenterological Association, National Student National Medical Association, National

Hospital Affiliation

Dr. Twyman-St. Victor is a Penn Medicine employed physician.

Hospital Privileges:

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Medicine Radnor: Has privileges to perform procedures.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.

Research

Selected Publications:

Tétreault MP, Weinblatt D, Ciolino JD, Klein-Szanto AJ, Sackey BK, Twyman-Saint Victor C, Karakasheva T, Teal V, Katz JP.: Esophageal Expression of Active I?B Kinase-ß in Mice Up-Regulates Tumor Necrosis Factor and Granulocyte-Macrophage Colony-Stimulating Factor, Promoting Inflammation and Angiogenesis. Gastroenterology 150 (7): 1609-1619,2016.

Twyman-Saint Victor C, Rech AJ, Maity A, Rengan R, Pauken KE, Stelekati E, Benci JL, Xu B, Dada H, Odorizzi PM, Herati RS, Mansfield KD, Patsch D, Amaravadi RK, Schuchter LM, Ishwaran H, Mick R, Pryma DA, Xu X, Feldman MD, Gangadhar TC, Hahn SM, Wherry EJ, Vonderheide RH, Minn AJ.: Mechanisms of tumor response and resistance to radiation and dual checkpoint blockade in mice and patients CRI-CIMT-EATI-AACR - The Inaugural International Cancer Immunotherapy Conference: Translating Science into Survival, New York, NY : 2015.

Twyman-Saint Victor C*, Rech AJ*, Maity A, Rengan R, Pauken KE, Stelekati E, Benci JL, Xu B, Dada H, Odorizzi PM, Herati RS, Mansfield KD, Patsch D, Amaravadi RK, Schuchter LM, Ishwaran H, Mick R, Pryma DA, Xu X, Feldman MD, Gangadhar TC, Hahn SM, Wherry EJ, Vonderheide RH, Minn AJ: Radiation and dual checkpoint blockade activate non-redundant immune mechanisms in cancer. Nature 520 (7547): 373-7,2015.

Boelens Mirjam C, Wu Tony J, Nabet Barzin Y, Xu Bihui, Qiu Yu, Yoon Taewon, Azzam Diana J, Twyman-Saint Victor Christina, Wiemann Brianne Z, Ishwaran Hemant, Ter Brugge Petra J, Jonkers Jos, Slingerland Joyce, Minn Andy J: Exosome transfer from stromal to breast cancer cells regulates therapy resistance pathways. Cell 159 (3): 499-513,2014.

Rech, A., Twyman, C., Maity A., Rengan, R., Pauken, K., Stelekati, E., Xu, B., Dada, H., Odorizzi, P., Herati, R., Mansfield, K., Patsch, D., Amaravadi, R., Schuchter, L., Ishwaran, L., Mick, R., Pryma, D., Xu, G., Feldman, M., Gangadhar, T., Hahn, S., Wherry, E.J., Minn, A., Vonderheide, R.: Radiation and dual PD-L1 and CTLA4 checkpoint blockade non-redundantly improves tumor resistance, response, and immunity. AACR Tumor Immunology and Immunotherapy : 2014.

Twyman C., Rech A., Rengan R, Vonderheide R, Minn A.: Stereotactic body radiation therapy and CTLA-4 blockade as a novel therapy for advanced melanoma. Journal for ImmunoTherapy of Cancer : 2013.

Babyatsky Mark, Lin Jing, Yio Xianyang, Chen Anli, Zhang Jie-yu, Zheng Yan, Twyman Christina, Bao Xiuliang, Schwartz Myron, Thung Swan, Lawrence Werther J, Itzkowitz Steven: Trefoil factor-3 expression in human colon cancer liver metastasis. Clinical & Experimental Metastasis 26 (2): 143-51,2009.

Twyman C, Yio X, Zheng Y, Zhang J, Diamond M, Babyatsky M, Werther L, Itzkowitz S.: Inhibiting trefoil factor family-3 (TFF3) expression decreases colon cancer cell invasiveness. Gastroenterology : 2006.

Zen Q, Batchvarova M, Twyman CA, Eyler CE, Qiu H, De Castro LM, Telen MJ.: B-CAM/LU expression and the role of B-CAM/LU activation in binding of low- and high-density red cells to laminin in sickle cell disease. Am J Hematol 75 (2): 63-72,2004.

Zen Q, Twyman CA, Telen MJ.: Laminin binding and B-CAM/LU expression by high and low density reticulocytes vs. mature red cells in sickle cell disease BLOOD 94 : 1999.

Academic Contact Info

421 Curie Blvd
BRB II/III Room 906

Philadelphia, PA 19104
Phone: (215) 349-8222
Fax: (215) 349-5915
Patient appointments: 800-789-PENN (7366)