RGD Reference Report - Elevated levels of iC3b and C4d, but not Bb, complement fragments from plasma of persons infected with human T cell leukemia virus (HTLV) with HTLV-I-associated myelopathy/tropical spastic paraparesis. - Rat Genome Database

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Elevated levels of iC3b and C4d, but not Bb, complement fragments from plasma of persons infected with human T cell leukemia virus (HTLV) with HTLV-I-associated myelopathy/tropical spastic paraparesis.

Authors: Saarloos, MN  Koenig, RE  Spear, GT 
Citation: Saarloos MN, etal., J Infect Dis. 1995 Oct;172(4):1095-7.
RGD ID: 11040775
Pubmed: PMID:7561187   (View Abstract at PubMed)

Plasma levels of complement (C) fragments iC3b, C4d, and Bb from human T cell leukemia virus (HTLV)-positive subjects with HTLV-I-associated myelopathy (HAM)/tropical spastic paraparesis (TSP) were analyzed by EIA. Both iC3b and C4d levels were significantly elevated in persons with HAM/TSP. These levels were similar to those in patients with human immunodeficiency virus (HIV) infection or rheumatoid arthritis (RA), who are known to have increased C fragments. Bb levels in persons with HAM/TSP wer unaffected, suggesting that C activation occurred only via the classical pathway. This differed from findings in HIV-infected or RA patients, who had elevated levels of Bb. The results showed an increase in C activation in persons with HAM/TSP and activation via the classical pathway, likely mediated by virus or immune complexes. It is possible that the C activation observed in these subjects contributed to the inflammatory pathogenesis of HAM/TSP.



RGD Manual Disease Annotations    Click to see Annotation Detail View

  

Objects Annotated

Genes (Rattus norvegicus)
C3  (complement C3)

Genes (Mus musculus)
C3  (complement component 3)

Genes (Homo sapiens)
C3  (complement C3)


Additional Information