RGD Reference Report - An HIV-1 transgenic rat that develops HIV-related pathology and immunologic dysfunction. - Rat Genome Database

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An HIV-1 transgenic rat that develops HIV-related pathology and immunologic dysfunction.

Authors: Reid, W  Sadowska, M  Denaro, F  Rao, S  Foulke, J  Hayes, N  Jones, O  Doodnauth, D  Davis, H  Sill, A  O'Driscoll, P  Huso, D  Fouts, T  Lewis, G  Hill, M  Kamin-Lewis, R  Wei, C  Ray, P  Gallo, R C  Reitz, M  Bryant, J 
Citation: Reid W, etal., Proc Natl Acad Sci U S A. 2001 Jul 31;98(16):9271-6. doi: 10.1073/pnas.161290298.
RGD ID: 42722619
Pubmed: PMID:11481487   (View Abstract at PubMed)
PMCID: PMC55410   (View Article at PubMed Central)
DOI: DOI:10.1073/pnas.161290298   (Journal Full-text)

We report, to our knowledge, the first HIV type 1 (HIV-1) transgenic (Tg) rat. Expression of the transgene, consisting of an HIV-1 provirus with a functional deletion of gag and pol, is regulated by the viral long terminal repeat. Spliced and unspliced viral transcripts were expressed in lymph nodes, thymus, liver, kidney, and spleen, suggesting that Tat and Rev are functional. Viral proteins were identified in spleen tissue sections by immunohistochemistry and gp120 was present in splenic macrophages, T and B cells, and in serum. Clinical signs included wasting, mild to severe skin lesions, opaque cataracts, neurological signs, and respiratory difficulty. Histopathology included a selective loss of splenocytes within the periarterial lymphoid sheath, increased apoptosis of endothelial cells and splenocytes, follicular hyperplasia of the spleen, lymphocyte depletion of mesenteric lymph nodes, interstitial pneumonia, psoriatic skin lesions, and neurological, cardiac, and renal pathologies. Immunologically, delayed-type hypersensitivity response to keyhole limpet hemocyanin was diminished. By contrast, Ab titers and proliferative response to recall antigen (keyhole limpet hemocyanin) were normal. The HIV-1 Tg rat thus has many similarities to humans infected with HIV-1 in expression of viral genes, immune-response alterations, and pathologies resulting from infection. The HIV-1 Tg rat may provide a valuable model for some of the pathogenic manifestations of chronic HIV-1 diseases and could be useful in testing therapeutic regimens targeted to stages of viral replication subsequent to proviral integration.



Phenotype Annotations    Click to see Annotation Detail View

Mammalian Phenotype

Object SymbolSpeciesTermQualifierEvidenceWithNotesSourceOriginal Reference(s)
F344-Tg(HIV)1HsdRatincreased splenocyte apoptosis  IMP compared to WT littermatesRGD 
F344-Tg(HIV)1HsdRatincreased splenocyte proliferation  IMP compared to WT littermatesRGD 
Objects Annotated

Strains
F344-Tg(HIV)1Hsd  (NA)


Additional Information