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Updated: Jun 30, 2026

Analysis of Combinatorial miRNA Treatments to Regulate Cell Cycle and Angiogenesis
11:44

Analysis of Combinatorial miRNA Treatments to Regulate Cell Cycle and Angiogenesis

Published on: March 30, 2019

AMBRA1 Inhibits Non-Small Cell Lung Cancer Progression Through miR-1178/p53/CDK2-Regulated Cell Cycle Arrest

Jing Feng1, Shan Li2, Laihua Li1

  • 1Zhengzhou Yihe Hospital Affiliated to Henan University, Zhengzhou, Henan Province, China.

Journal of Cellular and Molecular Medicine
|June 4, 2025
PubMed

Insights

AMBRA1 suppresses non-small cell lung cancer (NSCLC) progression by regulating the miR-1178/p53/CDK2 pathway. This pathway inhibits NSCLC cell proliferation and invasion while promoting apoptosis and cell cycle arrest.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Research

Background:

  • AMBRA1's role in cancer is context-dependent.
  • Understanding AMBRA1's mechanisms in non-small cell lung cancer (NSCLC) is crucial.

Purpose of the Study:

  • To investigate the function and regulatory mechanisms of AMBRA1 in NSCLC progression.
  • To elucidate the AMBRA1-miR-1178 axis in NSCLC.

Main Methods:

  • RNA sequencing to identify differentially expressed genes and miRNAs.
  • In vitro assays (CCK-8, EdU, colony formation, transwell, flow cytometry) to assess cell behavior.
  • In vivo mouse tumor xenograft model to evaluate AMBRA1's effect on tumor growth.

Main Results:

  • AMBRA1 overexpression suppressed NSCLC cell proliferation and invasion, induced apoptosis, and caused G0/G1 cell cycle arrest in vitro.
  • AMBRA1 inhibited tumor growth in vivo.
  • miR-1178 was identified as a target of AMBRA1, and its overexpression partially reversed AMBRA1's suppressive effects.
  • p53 and CDK2 were downstream targets of miR-1178; modulating p53 or CDK2 affected NSCLC cell development.

Conclusions:

  • AMBRA1 suppresses the malignant phenotype of NSCLC cells.
  • The AMBRA1-miR-1178-p53-CDK2 signaling pathway is a key regulator of NSCLC progression.
Keywords:
AMBRA1CDK2NSCLCcell cyclemicroRNA‐1178p53

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