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Establishment of the Dual Humanized TK-NOG Mouse Model for HIV-associated Liver Pathogenesis
Published on: September 11, 2019
Cryptogenic liver disease in HIV-seropositive men.
1Division of Infectious Diseases, Department of Medicine, Northwestern University, Feinberg School of Medicine, Chicago, IL, USA. m-dinh@northwestern.edu
Cryptogenic liver disease in HIV patients on HAART is rarely cirrhosis. Instead, nodular regenerative hyperplasia is more common, potentially increasing morbidity in this population.
Area of Science:
- Hepatology
- Infectious Diseases
- HIV Medicine
Background:
- Liver disease is a major cause of death in HIV-positive individuals, especially with highly active antiretroviral therapy (HAART).
- While viral co-infections are common causes, cryptogenic liver disease also occurs in HIV patients without viral hepatitis.
Purpose of the Study:
- To identify clinical factors associated with cryptogenic liver disease in HIV-infected individuals.
- To compare the characteristics of cryptogenic liver disease in HIV-seropositive versus HIV-seronegative patients.
Main Methods:
- Retrospective analysis of clinical, radiological, and histological data.
- Inclusion criteria: patients evaluated for liver transplantation meeting criteria for cryptogenic liver disease.
- Comparison groups: 9 HIV-seropositive and 41 HIV-seronegative patients.
Main Results:
- HIV-seropositive patients had significantly lower rates of cirrhosis (11% vs. 93%) compared to HIV-seronegative patients.
- Nodular regenerative hyperplasia was observed in 33% of HIV-seropositive patients.
- HIV-seropositive patients exhibited lower body mass indices and less severe liver disease scores (Child-Pugh-Turcotte, MELD).
Conclusions:
- Advanced cryptogenic liver disease in HIV patients is infrequently due to cirrhosis and more commonly caused by nodular regenerative hyperplasia.
- This condition may increase in prevalence during the HAART era, contributing to higher HIV-related morbidity.
- Findings highlight a distinct pattern of liver disease in HIV-infected individuals receiving HAART.
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