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Int Rev Immunol. 1998;16(5-6):523-40.

Signaling and functional properties of interleukin-16.

Author information

1
Pulmonary Center, Boston University School of Medicine, MA 02118, USA. bcruikshank@bupula.bu.edu

Abstract

Interleukin-16 is secreted from a variety of immune cells as a peptide of 17 kDa which aggregates into tetrameric form essential for IL-16s direct interaction with and cross linking of its receptor, the CD4 antigen. IL-16 stimulation of CD4+ cells results in the induction of cell motility, and in addition can function as a competence growth factor for CD4+ lymphocytes. These activities suggest that IL-16 could play a role in the accumulation and activation of CD4+ cells recruited to sites of inflammation. Along those lines, IL-16 has been identified at sites of inflammation associated with several different disease states. Its function as a competence growth factor specifically for CD4+ T cells may be useful for immune reconstitution in immunodeficiency diseases such as AIDS.

PMID:
9646175
[Indexed for MEDLINE]

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