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Nicholas Fredric Parrish

Provisional Faculty in the Department of Surgery
Surgery, Abdominal Transplant Surgery

Current Appointments & Affiliations


Provisional Faculty in the Department of Surgery · 2025 - Present Surgery, Abdominal Transplant Surgery, Surgery

Recent Publications


Endogenous human herpesviruses 6A/B.

Journal Article Journal of virology · September 2025 Human herpesviruses 6A and 6B (HHV-6A/B) can integrate into the germline, resulting in inherited viral DNA-now proposed to be called "endogenous HHV-6A/B (eHHV-6A/B)." Present in 0.2-3% of humans, this integrated DNA is passed to offspring and may reactiva ... Full text Cite

Interferon and TLR genes, but not endogenous bornavirus-like elements, limit BoDV1 replication after intracerebral infection.

Journal Article PLoS pathogens · May 2025 Borna disease virus 1 (BoDV1) is a disease-causing agent in some livestock and, as has recently been shown, in humans. What constitutes a protective immune response to BoDV1 is unclear. Previous studies found that endogenous bornavirus-like nucleoprotein e ... Full text Cite

Pooled screening for endogenous HHV-6 in subjects with coronary artery disease.

Journal Article Virus Genes · April 2025 Endogenous human herpesvirus 6 (eHHV-6) is integrated into the genomes of approximately 1% of individuals and has been linked to angina pectoris which, like myocardial infarction (MI), generally denotes coronary artery disease. To investigate this associat ... Full text Link to item Cite
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Recent Grants


Hypothesis Fund

ResearchPrincipal Investigator · Awarded by Hypothesis Fund · 2025 - 2027

Integrated HHV-6B-associated systemic lupus erythematosus: assessment of immunopathological mechanism

ResearchPrincipal Investigator · Awarded by HHV-6 Foundation · 2025 - 2026

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Education, Training & Certifications


University of Pennsylvania, School of Medicine · 2015 M.D.
University of Pennsylvania · 2013 Ph.D.
Emory University · 2007 B.S.