Cloning and characterization of novel CIS family genes

Masaaki Masuhara, Hiroshi Sakamoto, Akira Matsumoto, Ritsu Suzuki, Hideo Yasukawa, Kaoru Mitsui, Toru Wakioka, Shyu Tanimura, Atsuo Sasaki, Hiroyuki Misawa, Masahiro Yokouchi, Motoaki Ohtsubo, Akihiko Yoshimura

Research output: Contribution to journalArticle

209 Citations (Scopus)

Abstract

We have reported two JAK-signaling modulators, CIS (cytokine-inducible SH2 protein) and JAB (JAK2 binding protein), which are structurally related. Here we cloned three additional CIS family genes (CIS2, CIS3, and CIS4) on the basis of an expression sequence tag (EST) database search. We also found at least two additional candidates of this gene family in the database. These genes were induced by erythropoietin and granulocyte-macrophage colony stimulating factor in certain hematopoietic cell lines. The SH2 domain and a C-terminal 40 amino acid region, designated the CIS homology domain (CH domain), are highly conserved in this family, while the N-terminal regions of these proteins share little similarity. A yeast two-hybrid assay and in vitro and in vivo binding assays revealed that in addition to JAB, CIS3 bound to the JAK2 tyrosine kinase domain (JH1), although the interaction of CIS3 with the JAK2-JH1 domain was much weaker than that of JAB. Transient expression of JAB and CIS3, but not other CISs, strongly inhibited leukemia inhibitory factor (LIF)-induced STAT3-reporter gene activation in 293 cells. Furthermore, constitutive overexpression of JAB and CIS3 in M1 leukemia cells prevented LIF-induced differentiation and growth arrest. Although the physiological function remains to be investigated, CIS family genes could play a role in the negative regulation of cytokine signaling by interacting with specific targets.

Original languageEnglish
Pages (from-to)439-446
Number of pages8
JournalBiochemical and Biophysical Research Communications
Volume239
Issue number2
DOIs
Publication statusPublished - 1997 Oct 20
Externally publishedYes

Fingerprint

Cloning
Organism Cloning
Carrier Proteins
Genes
Cytokines
Leukemia Inhibitory Factor
Proteins
Assays
Databases
Two-Hybrid System Techniques
src Homology Domains
Granulocyte-Macrophage Colony-Stimulating Factor
Erythropoietin
Reporter Genes
Protein Binding
Yeast
Protein-Tyrosine Kinases
Modulators
Transcriptional Activation
Leukemia

Keywords

  • CIS
  • Cytokine
  • JAB
  • JAK
  • SH2
  • STAT

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

Masuhara, M., Sakamoto, H., Matsumoto, A., Suzuki, R., Yasukawa, H., Mitsui, K., ... Yoshimura, A. (1997). Cloning and characterization of novel CIS family genes. Biochemical and Biophysical Research Communications, 239(2), 439-446. https://doi.org/10.1006/bbrc.1997.7484

Cloning and characterization of novel CIS family genes. / Masuhara, Masaaki; Sakamoto, Hiroshi; Matsumoto, Akira; Suzuki, Ritsu; Yasukawa, Hideo; Mitsui, Kaoru; Wakioka, Toru; Tanimura, Shyu; Sasaki, Atsuo; Misawa, Hiroyuki; Yokouchi, Masahiro; Ohtsubo, Motoaki; Yoshimura, Akihiko.

In: Biochemical and Biophysical Research Communications, Vol. 239, No. 2, 20.10.1997, p. 439-446.

Research output: Contribution to journalArticle

Masuhara, M, Sakamoto, H, Matsumoto, A, Suzuki, R, Yasukawa, H, Mitsui, K, Wakioka, T, Tanimura, S, Sasaki, A, Misawa, H, Yokouchi, M, Ohtsubo, M & Yoshimura, A 1997, 'Cloning and characterization of novel CIS family genes', Biochemical and Biophysical Research Communications, vol. 239, no. 2, pp. 439-446. https://doi.org/10.1006/bbrc.1997.7484
Masuhara M, Sakamoto H, Matsumoto A, Suzuki R, Yasukawa H, Mitsui K et al. Cloning and characterization of novel CIS family genes. Biochemical and Biophysical Research Communications. 1997 Oct 20;239(2):439-446. https://doi.org/10.1006/bbrc.1997.7484
Masuhara, Masaaki ; Sakamoto, Hiroshi ; Matsumoto, Akira ; Suzuki, Ritsu ; Yasukawa, Hideo ; Mitsui, Kaoru ; Wakioka, Toru ; Tanimura, Shyu ; Sasaki, Atsuo ; Misawa, Hiroyuki ; Yokouchi, Masahiro ; Ohtsubo, Motoaki ; Yoshimura, Akihiko. / Cloning and characterization of novel CIS family genes. In: Biochemical and Biophysical Research Communications. 1997 ; Vol. 239, No. 2. pp. 439-446.
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