Relationship of serum immunoglobulin and IgG subclass levels to race, ethnicity and behavioral characteristics in HIV infection

Joseph P. McGowan, Sanjiv S. Shah, Catherine B. Small, Robert S. Klein, Steven M. Schnipper, C. J. Chang, David L. Rosenstreich

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Background: To determine whether demographic and behavioral factors affect immunoglobulin regulation in HIV infection, we studied injection drug users, women, and minority ethnic and racial groups with and without HIV infection. Material/Methods: A prospective cross-sectional study of ambulatory persons with or at risk for HIV infection was conducted. We enrolled 48 injection drug users (IDUs) and 43 non-IDUs seropositive for HIV and 22 seronegative at-risk individuals in the Bronx, New York City. Sixteen HIV-seronegative, non-IDUs controls were also studied. Total serum immunoglobulin levels, IgG subclasses and lymphocyte phenotypes were measured. Results: Serum IgG, IgA, IgG 1 and IgG3 were increased in all stages of HIV infection controlling for injection drug use, gender, race and age (p≤0.05). Serum IgM levels were significantly decreased in HIV seropositives compared to HIV seronegatives (p<0.02). Two patterns of serum immunoglobulin level elevation were found in HIV infection: 1) IgG, IgG1 and IgG3 levels were elevated in early and advanced HIV infection; 2) IgA, IgG2 and IgG4 levels were elevated only in advanced HIV infection. IgG levels were increased in Blacks compared to Caucasians with HIV infection (p=0.01). Conclusions: Serum IgG, IgG1 and IgG3 levels are increased in early HIV infection, while serum IgA, IgG2, and IgG3 levels are increased only in advanced HIV infection. In contrast, serum IgM levels are decreased in HIV infection. HIV-seropositive Blacks have higher serum IgG levels than HIV-seropositive Caucasians. Further studies are necessary to determine the mechanism(s) underlying the different patterns of immunoglobulin elevation in HIV infection.

Original languageEnglish (US)
JournalMedical Science Monitor
Volume12
Issue number1
StatePublished - Jan 2006

Fingerprint

HIV Infections
Immunoglobulins
Immunoglobulin G
Serum
HIV
Drug Users
Immunoglobulin A
Injections
Immunoglobulin M
Drug and Narcotic Control
Ethnic Groups
HIV-1
Cross-Sectional Studies
Demography

Keywords

  • Human Immunodeficiency Virus
  • Immunoglobulin G subclasses
  • Injection drug use
  • Serum immunoglobulins

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Relationship of serum immunoglobulin and IgG subclass levels to race, ethnicity and behavioral characteristics in HIV infection. / McGowan, Joseph P.; Shah, Sanjiv S.; Small, Catherine B.; Klein, Robert S.; Schnipper, Steven M.; Chang, C. J.; Rosenstreich, David L.

In: Medical Science Monitor, Vol. 12, No. 1, 01.2006.

Research output: Contribution to journalArticle

McGowan, Joseph P. ; Shah, Sanjiv S. ; Small, Catherine B. ; Klein, Robert S. ; Schnipper, Steven M. ; Chang, C. J. ; Rosenstreich, David L. / Relationship of serum immunoglobulin and IgG subclass levels to race, ethnicity and behavioral characteristics in HIV infection. In: Medical Science Monitor. 2006 ; Vol. 12, No. 1.
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