Identification and purification of human stat proteins activated in response to interleukin-2

Jinzhao Hou, Ulrike Schindler, William J. Henzel, Susan C. Wong, Steven L. McKnight

Research output: Contribution to journalArticle

174 Citations (Scopus)

Abstract

A key cytokine Induced during the Immune response is IL-2. Following T cell activation, the genes encoding IL-2 and the various chains of Its receptor are transcriptionally induced. In turn, secreted IL-2 serves to stimulate the proliferation and differentiation of T lymphocytes. Several recent studies have implicated Jak kinasea in the signaling pathway Induced by IL-2. Following this lead, we set out to identify transcription factors Induced In response to IL-2. Human peripheral blood lymphocytes were observed to contain several IL-2-induclbie DNA binding activities. Similar activities were also observed in a transformed human lymphocyte line, termed YT. We have purified these activities and found that the principal IL-2-inducible component bears significant relatedness to a prolactin-induced transcription factor first identified in sheep mammary gland tissue. We hypothesize that activation of this protein, designated hStat5, helps govern the biological effects of IL-2 during the Immune response.

Original languageEnglish (US)
Pages (from-to)321-329
Number of pages9
JournalImmunity
Volume2
Issue number4
DOIs
StatePublished - 1995

Fingerprint

Forensic Anthropology
Interleukin-2
Proteins
Transcription Factors
Lymphocytes
T-Lymphocytes
Human Mammary Glands
Prolactin
Sheep
Cytokines
DNA

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy
  • Infectious Diseases

Cite this

Identification and purification of human stat proteins activated in response to interleukin-2. / Hou, Jinzhao; Schindler, Ulrike; Henzel, William J.; Wong, Susan C.; McKnight, Steven L.

In: Immunity, Vol. 2, No. 4, 1995, p. 321-329.

Research output: Contribution to journalArticle

Hou, Jinzhao ; Schindler, Ulrike ; Henzel, William J. ; Wong, Susan C. ; McKnight, Steven L. / Identification and purification of human stat proteins activated in response to interleukin-2. In: Immunity. 1995 ; Vol. 2, No. 4. pp. 321-329.
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