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Updated: Sep 27, 2026

Assessment of Mitochondrial Functions and Cell Viability in Renal Cells Overexpressing Protein Kinase C Isozymes
15:43

Assessment of Mitochondrial Functions and Cell Viability in Renal Cells Overexpressing Protein Kinase C Isozymes

Published on: January 7, 2013

[Expressions of five protein kinase C isoforms in salivary adenoid cystic carcinoma]

C Sun1, Z Zong, Y Wang

  • 1Department of Oral and Maxillofacial Surgery, First Hospital, China Medical University.

Hua Xi Kou Qiang Yi Xue Za Zhi = Huaxi Kouqiang Yixue Zazhi = West China Journal of Stomatology
|January 24, 2003
PubMed
Abstract

Insights

Protein kinase C (PKC) isoforms alpha, beta I, and beta II expression decreased in salivary adenoid cystic carcinoma (SACC). Membranous translocation of PKC-alpha suggests a role in SACC canceration and potential metastasis.

Area of Science:

  • Molecular Biology
  • Oncology
  • Cell Signaling

Context:

  • Salivary adenoid cystic carcinoma (SACC) is a malignant salivary gland tumor.
  • Protein Kinase C (PKC) isoforms are crucial regulators of cellular processes, including cancer development.
  • Previous studies indicated altered PKC activity in SACC.

Purpose:

  • To investigate the expression patterns of specific PKC isoforms (alpha, beta I, beta II, epsilon, delta) in SACC.
  • To compare PKC isoform expression in SACC tissues with adjacent normal tissues.
  • To explore the relationship between PKC isoform alterations and SACC carcinogenesis.

Summary:

  • Cytosolic PKC-alpha, beta I, and beta II expression were significantly reduced in SACC tissues compared to normal tissues.
  • Membranous PKC-alpha was detected exclusively in SACC, indicating translocation from the cytosol.
  • PKC-epsilon and PKC-delta were not detected in either SACC or normal tissues.

Impact:

  • Findings suggest a correlation between altered expression of PKC-alpha, beta I, and beta II and SACC development.
  • The membranous translocation of PKC-alpha may be linked to hematogenous lung metastasis in SACC.
  • This research provides insights into the molecular mechanisms underlying SACC progression.

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