CD30 ligation differentially affects CXCR4-dependent HIV-1 replication and soluble CD30 secretion in non-Hodgkin cell lines and in γδ T lymphocyte

Priscilla Biswas, Barbara Mantelli, Fanny Delfanti, Marina Ferrarini, Guido Poli, Adriano Lazzarin

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

We studied whether signaling through CD30, a member of the TNF receptor family, affected acute infection with HIV-1, encompassing its entire replicative cycle. Several non-Hodgkin cell lines, targets of CXCR4-dependent (X4) HIV-1 infection, were positive for CD30 expression. CD30 ligation induced up-regulation of viral replication only in certain CD30+ cell lines. Enhancement of X4 virus replication by CD30 engagement inversely correlated with both CD30 surface density and constitutive NF-κB activation. Conversely, expression of CD30, but not of other members of the TNF receptor family, was proportional to constitutive NF-κB binding. Concomitantly, secretion of soluble (s CD30 increased in all cell lines by CD30 ligation. sCD30 release was enhanced by engagement of CD30 alone and, to a greater extent, by co-engagement of CD3 also in primary γδ T lymphocytes, along with complementary modulations of their surface CD30 expression. sCD30-containing supernatant specifically inhibited HIV-1 expression induced by CD30 engagement in chronically infected ACH-2 T cells; thus sCD30 may act as a negative feed-back molecule. In conclusion, we have delineated novel features of CD30 biology and underline the peculiar link of CD30 expression to constitutive NF-κB activation which is pivotal to both HIV replication and cell survival.

Original languageEnglish
Pages (from-to)3136-3145
Number of pages10
JournalEuropean Journal of Immunology
Volume33
Issue number11
DOIs
Publication statusPublished - Nov 2003

Fingerprint

Non-Hodgkin's Lymphoma
Ligation
HIV-1
Tumor Necrosis Factor Receptors
T-Lymphocytes
Cell Line
Virus Replication
HIV Infections
Cell Survival
Up-Regulation
HIV
Infection

Keywords

  • γδ T lymphocytes
  • CD30
  • CXCR4
  • HIV-1

ASJC Scopus subject areas

  • Immunology

Cite this

CD30 ligation differentially affects CXCR4-dependent HIV-1 replication and soluble CD30 secretion in non-Hodgkin cell lines and in γδ T lymphocyte. / Biswas, Priscilla; Mantelli, Barbara; Delfanti, Fanny; Ferrarini, Marina; Poli, Guido; Lazzarin, Adriano.

In: European Journal of Immunology, Vol. 33, No. 11, 11.2003, p. 3136-3145.

Research output: Contribution to journalArticle

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