Hsa_circ_0079929 in lung adenocarcinoma and its biological implications in lung adenocarcinoma progression

  • 0Department of Internal Medicine, Huzhou Jiaotong Hospital, Huzhou, 313000, China.

|

|

Summary

This summary is machine-generated.

Circular RNA hsa_circ_0079929 is upregulated in lung adenocarcinoma, promoting cell proliferation, migration, and invasion. Its elevated expression correlates with poor prognosis, identifying it as a potential therapeutic target.

Area Of Science

  • Oncology
  • Molecular Biology
  • Genetics

Background

  • Lung adenocarcinoma is a major cause of cancer mortality.
  • Circular RNAs (circRNAs) are increasingly recognized for their roles in cancer.
  • The specific role of hsa_circ_0079929 in lung adenocarcinoma remains largely unexplored.

Purpose Of The Study

  • To investigate the expression, prognostic value, and biological functions of hsa_circ_0079929 in lung adenocarcinoma.
  • To determine if hsa_circ_0079929 can serve as a prognostic biomarker.
  • To elucidate the molecular mechanisms underlying hsa_circ_0079929's role in lung adenocarcinoma progression.

Main Methods

  • Analysis of hsa_circ_0079929 expression in lung adenocarcinoma tissues and cell lines.
  • Correlation analysis of hsa_circ_0079929 levels with clinical parameters and patient survival (Chi-square, Cox regression, Kaplan-Meier).
  • In vitro assays (CCK-8, Transwell) to assess the impact of hsa_circ_0079929 overexpression and knockdown on cell proliferation, migration, and invasion.

Main Results

  • Hsa_circ_0079929 expression was significantly upregulated in lung adenocarcinoma tissues compared to adjacent normal tissues.
  • Higher hsa_circ_0079929 levels were associated with adverse clinical features and poorer overall survival, establishing it as an independent prognostic factor.
  • Overexpression of hsa_circ_0079929 promoted proliferation, migration, and invasion, while its knockdown inhibited these malignant behaviors. Hsa_circ_0079929 acts as a molecular decoy for miR-1184.

Conclusions

  • Hsa_circ_0079929 promotes malignant phenotypes in lung adenocarcinoma cells.
  • Hsa_circ_0079929 holds potential as a prognostic biomarker and a therapeutic target for lung adenocarcinoma management.

Related Concept Videos

Abnormal Proliferation 02:23

4.5K

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...

lncRNA - Long Non-coding RNAs 02:39

8.5K

In humans, more than 80% of the genome gets transcribed. However, only around 2% of the genome codes for proteins. The remaining part produces non-coding RNAs which includes ribosomal RNAs, transfer RNAs, telomerase RNAs, and regulatory RNAs, among other types. A large number of regulatory non-coding RNAs have been classified into two groups depending upon their length – small non-coding RNAs, such as microRNA, which are less than 200 nucleotides in length, and long non-coding RNA...

Adaptive Mechanisms in Cancer Cells 02:53

5.7K

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...

Tumor Progression 02:07

6.2K

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...

Cadherins in Tissue Organization 01:19

3.0K

The cadherins are a superfamily of cell adhesion molecules comprising over 180 variants, with specific tissues expressing a particular combination of cadherin types. Cadherins generally exhibit homophilic binding; i.e., cadherins on one cell bind to cadherins of the same or closely related type on another cell. Thus, cells of the same type have a specific affinity to bind to each other and sort themselves into clusters to form tissues.
Cell Sorting During Development
Cell sorting plays an...

Regulation of Angiogenesis and Blood Supply 01:24

2.5K

Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits.  Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...