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Development and Maintenance of a Preclinical Patient Derived Tumor Xenograft Model for the Investigation of Novel Anti-Cancer Therapies
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p21-Activated Kinase: Role in Gastrointestinal Cancer and Beyond

Xiaodong Li1, Feng Li1

  • 1Department of Cell Biology, Key Laboratory of Cell Biology, National Health Commission of the PRC, and Key Laboratory of Medical Cell Biology, Ministry of Education of the PRC, China Medical University, Shenyang 110122, China.

Cancers
|October 14, 2022
PubMed

Insights

p21-activating kinases (PAKs) are crucial in cell signaling and are implicated in gastrointestinal tumors. Understanding PAKs

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • Gastrointestinal tumors are a leading cause of cancer deaths globally, with unclear underlying mechanisms.
  • p21-activating kinases (PAKs) are serine/threonine kinases involved in critical cellular processes like proliferation, migration, and survival.
  • Abnormal PAK activity and signaling pathway alterations are linked to tumorigenesis, particularly in invasion and metastasis.

Purpose of the Study:

  • To summarize the biological characteristics and signaling pathways of PAKs.
  • To analyze the mechanisms of PAKs in gastrointestinal tumors.
  • To identify novel therapeutic targets for gastrointestinal cancer.

Main Methods:

  • Literature review and synthesis of existing research on PAKs.
  • Analysis of PAKs' roles in cellular signaling networks.
  • Examination of PAKs' involvement in tumor progression, plasticity, stemness, and the tumor microenvironment.

Main Results:

  • PAKs play a significant role in cell proliferation, migration, survival, transformation, and metabolism.
  • Overexpression or overactivation of PAKs contributes to tumorigenesis and malignant phenotypes, especially in invasion and metastasis.
  • Emerging evidence highlights PAKs' involvement in cellular plasticity, stemness, and the tumor microenvironment.

Conclusions:

  • PAKs are critical regulators in gastrointestinal tumor development and progression.
  • Understanding PAK signaling pathways offers a theoretical basis for developing new clinical treatments.
  • Targeting PAKs presents a promising strategy for novel gastrointestinal cancer therapies.
Keywords:
cancergastrointestinal cancerp21-activated kinasesignaling transduction

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