The cullin7 E3 ubiquitin ligase: A novel player in growth control

Antonio Sarikas, Xinsong Xu, Loren Field, Zhen Qiang Pan

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Cullin7 (CUL7) is a molecular scaffold that organizes an E3 ubiquitin ligase containing the F-box protein Fbw8, Skp1 and the ROC1 RING finger protein. Dysregulation of the CUL7 E3 Ligase has been directly linked to hereditary human diseases as cul7 germline mutations were found in patients with autosomal-recessive 3-M and Yakuts short stature syndromes, which are characterized by profound pre- and postnatal growth retardation. In addition, genetic ablation of CUL7 in mice resulted in intrauterine growth retardation and perinatal lethality, underscoring its importance for growth regulation. The recent identification of insulin receptor substrate 1, a critical mediator of insulin and insulin-like growth factor-1 signaling, as the proteolytic target of the CUL7 E3 ligase, provided a molecular link between CUL7 and a well-established growth regulatory pathway. This result, coupled with other studies demonstrating interactions between CUL7 and the p53 tumor suppressor protein, as well as the simian virus 40 large T antigen oncoprotein, further implicated CUL7 as a novel player in growth control and suggested pathomechanistic insights into CUL7-linked growth retardation syndromes.

Original languageEnglish
Pages (from-to)3154-3161
Number of pages8
JournalCell Cycle
Volume7
Issue number20
StatePublished - Oct 15 2008

Fingerprint

Ubiquitin-Protein Ligases
Growth
F-Box Proteins
Tumor Suppressor Protein p53
Insulin Receptor Substrate Proteins
Inborn Genetic Diseases
Simian virus 40
Fetal Growth Retardation
Germ-Line Mutation
Oncogene Proteins
Viral Tumor Antigens
Somatomedins
Insulin
Proteins

Keywords

  • 3-M syndrome
  • Cullin7
  • Fbw8
  • Growth retardation
  • IGF-1
  • Insulin
  • IRS-1
  • Proteasome
  • Ubiquitin
  • Yakuts short stature syndrome

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology
  • Developmental Biology

Cite this

Sarikas, A., Xu, X., Field, L., & Pan, Z. Q. (2008). The cullin7 E3 ubiquitin ligase: A novel player in growth control. Cell Cycle, 7(20), 3154-3161.

The cullin7 E3 ubiquitin ligase : A novel player in growth control. / Sarikas, Antonio; Xu, Xinsong; Field, Loren; Pan, Zhen Qiang.

In: Cell Cycle, Vol. 7, No. 20, 15.10.2008, p. 3154-3161.

Research output: Contribution to journalArticle

Sarikas, A, Xu, X, Field, L & Pan, ZQ 2008, 'The cullin7 E3 ubiquitin ligase: A novel player in growth control', Cell Cycle, vol. 7, no. 20, pp. 3154-3161.
Sarikas A, Xu X, Field L, Pan ZQ. The cullin7 E3 ubiquitin ligase: A novel player in growth control. Cell Cycle. 2008 Oct 15;7(20):3154-3161.
Sarikas, Antonio ; Xu, Xinsong ; Field, Loren ; Pan, Zhen Qiang. / The cullin7 E3 ubiquitin ligase : A novel player in growth control. In: Cell Cycle. 2008 ; Vol. 7, No. 20. pp. 3154-3161.
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