Major histocompatibility gene products and human immunodeficiency virus infection

F. Puppo, R. Ruzzenenti, S. Brenci, L. Lanza, M. Scudeletti, F. Indiveri

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

In the present paper we analyze the role of major histocompatibility gene products, the human leukocyte antigens, in the pathophysiology of the acquired immunodeficiency syndrome. No association has been found between human leukocyte antigen (HLA) frequencies and human immunodeficiency virus type 1 (HIV 1) infection, whereas significant associations have been reported in some populations between some HLA haplotypes and the appearance of either opportunistic infections or secondary cancers. With regard to the human leukocyte class I antigens, their role as restriction elements in presenting HIV 1 to virus-specific cytotoxic T lymphocytes seems to be established. An increase in the serum levels of their soluble forms that correlate with disease stage has also been demonstrated. These circulating molecules could interfere with the immune response to HIV 1 and could contribute to the development of the immunodeficiency. Antigenic similarities have been detected between human leukocyte class II antigens and HIV 1 envelope proteins. These homologies could explain both the presence in some HIV-positive sera of anti-HLA class II antibodies that mediate the lysis of CD4+-HLA class II+ T cells and the false-positive reaction of some HIV-negative sera, which contain anti-HLA class II antibodies, in tests for HIV 1 antibodies. Reduced levels of some complement factors (the human leukocyte class III antigens) have been detected in HIV-infected subjects. These defects could play a role in the progression of the disease and affect both the clearance of HIV 1 and complement-mediated antibody responses. The data reported in this review suggest that HLA antigens may be involved in several steps of the immune deficiency of HIV-infected subjects and thus contribute to the pathophysiology of acquired immunodeficiency syndrome.

Original languageEnglish
Pages (from-to)91-100
Number of pages10
JournalThe Journal of Laboratory and Clinical Medicine
Volume117
Issue number2
Publication statusPublished - 1991

Fingerprint

Histocompatibility
Virus Diseases
HLA Antigens
HIV-1
Genes
HIV
Immunoglobulin Isotypes
Human Immunodeficiency Virus env Gene Products
Acquired Immunodeficiency Syndrome
Serum
False Positive Reactions
HLA-D Antigens
Antigens
Histocompatibility Antigens Class I
Opportunistic Infections
Cytotoxic T-Lymphocytes
Haplotypes
Antibody Formation
Disease Progression
Leukocytes

ASJC Scopus subject areas

  • Medicine(all)
  • Pathology and Forensic Medicine

Cite this

Puppo, F., Ruzzenenti, R., Brenci, S., Lanza, L., Scudeletti, M., & Indiveri, F. (1991). Major histocompatibility gene products and human immunodeficiency virus infection. The Journal of Laboratory and Clinical Medicine, 117(2), 91-100.

Major histocompatibility gene products and human immunodeficiency virus infection. / Puppo, F.; Ruzzenenti, R.; Brenci, S.; Lanza, L.; Scudeletti, M.; Indiveri, F.

In: The Journal of Laboratory and Clinical Medicine, Vol. 117, No. 2, 1991, p. 91-100.

Research output: Contribution to journalArticle

Puppo, F, Ruzzenenti, R, Brenci, S, Lanza, L, Scudeletti, M & Indiveri, F 1991, 'Major histocompatibility gene products and human immunodeficiency virus infection', The Journal of Laboratory and Clinical Medicine, vol. 117, no. 2, pp. 91-100.
Puppo F, Ruzzenenti R, Brenci S, Lanza L, Scudeletti M, Indiveri F. Major histocompatibility gene products and human immunodeficiency virus infection. The Journal of Laboratory and Clinical Medicine. 1991;117(2):91-100.
Puppo, F. ; Ruzzenenti, R. ; Brenci, S. ; Lanza, L. ; Scudeletti, M. ; Indiveri, F. / Major histocompatibility gene products and human immunodeficiency virus infection. In: The Journal of Laboratory and Clinical Medicine. 1991 ; Vol. 117, No. 2. pp. 91-100.
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