Dr. Borthwick is on Doximity
As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.
- Gain access to free telehealth tools, such as our “call shielding” and one-way patient texting.
- Connect with colleagues in the same hospital or clinic.
- Read the latest clinical news, personalized to your specialty.
Office
408 N State of Franklin Rd
Ste 24
Johnson City, TN 37604Phone+1 423-431-1810Fax+1 423-431-1811
Education & Training
Sidney Kimmel Medical College at Thomas Jefferson University/TJUHFellowship, Gastroenterology, 1976 - 1978- Sidney Kimmel Medical College at Thomas Jefferson University/TJUHResidency, Internal Medicine, 1975 - 1976
- Sidney Kimmel Medical College at Thomas Jefferson University/TJUHResidency, Internal Medicine, 1972 - 1973
Duke University HospitalInternship, Internal Medicine, 1971 - 1972- Sidney Kimmel Medical College at Thomas Jefferson UniversityClass of 1971
Certifications & Licensure
TN State Medical License 1980 - 2019
Publications & Presentations
PubMed
- 37 citationsPD-1 modulates regulatory T cells and suppresses T-cell responses in HCV-associated lymphoma.Lei Ni, Cheng J. Ma, Ying Zhang, Subhadra Nandakumar, Chun L. Zhang
Immunology and Cell Biology. 2011-05-01 - 57 citationsImpaired hepatitis B vaccine responses during chronic hepatitis C infection: involvement of the PD-1 pathway in regulating CD4(+) T cell responses.Jonathan P. Moorman, Chun L. Zhang, Lei Ni, Cheng J. Ma, Ying Zhang
Vaccine. 2011-04-12 - 16 citationsDifferential regulation of T and B lymphocytes by PD-1 and SOCS-1 signaling in hepatitis C virus-associated non-Hodgkin's lymphoma.Zhi Q. Yao, Lei Ni, Ying Zhang, Cheng J. Ma, Chun L. Zhang
Immunological Investigations. 2011-03-03
Viewing the full profile is available to verified healthcare professionals only.
Find your profile and take control of your online presence:
