miR-1-3p/CELSR3 Participates in Regulating Malignant Phenotypes of Lung Adenocarcinoma Cells

Huiwen Miao1, Qingxin Zeng2, Shaohua Xu2

  • 1Department of Thoracic Surgery, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.

Current Gene Therapy
|June 18, 2021
PubMed
Abstract

Insights

This study reveals that miR-1-3p suppresses lung adenocarcinoma (LUAD) progression by targeting CELSR3. This finding offers new therapeutic strategies for LUAD patients.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Lung adenocarcinoma (LUAD) is a major cause of cancer-related mortality.
  • Understanding the molecular mechanisms driving LUAD progression is crucial for developing effective treatments.

Purpose of the Study:

  • To investigate the role of miR-1-3p in LUAD.
  • To identify potential therapeutic targets for LUAD treatment.

Main Methods:

  • Bioinformatics analysis of TCGA-LUAD data.
  • Quantitative real-time PCR (qRT-PCR) and Western blot for gene expression.
  • MTT and Transwell assays for cell phenotypes.
  • Luciferase reporter assays for miRNA-mRNA interaction verification.

Main Results:

  • miR-1-3p expression was decreased in LUAD.
  • Overexpression of miR-1-3p inhibited LUAD cell proliferation, migration, and invasion.
  • CELSR3, a direct target of miR-1-3p, was upregulated in LUAD and promoted malignant phenotypes.
  • CELSR3 overexpression reversed the inhibitory effects of miR-1-3p on LUAD cells.

Conclusions:

  • miR-1-3p suppresses LUAD cell malignant phenotypes by targeting CELSR3.
  • This miR-1-3p/CELSR3 axis presents a novel therapeutic strategy for LUAD.

Related Concept Videos

Abnormal Proliferation02:23

Abnormal Proliferation

Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
4.8K
Master Transcription Regulators02:23

Master Transcription Regulators

Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a  complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...
7.3K
MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After...
22.6K
MicroRNAs01:22

MicroRNAs

MicroRNA (miRNA) are short, regulatory RNA transcribed from introns (non-coding regions of a gene) or intergenic regions (stretches of DNA present between genes). Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself, forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA...
3.3K
mTOR Signaling and Cancer Progression03:03

mTOR Signaling and Cancer Progression

The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
4.0K
Induced Pluripotent Stem Cells01:06

Induced Pluripotent Stem Cells

Stem cells are undifferentiated cells that divide and produce different cell types. Ordinarily, cells that have differentiated into a specific cell type are terminally differentiated; however, scientists have found a way to reprogram these mature cells so that they dedifferentiate and return to an unspecialized, proliferative state. These cells are pluripotent like embryonic stem cells—able to produce all cell types—and are called induced pluripotent stem cells (iPSCs).
Somatic...
4.7K