RN7SL1 may be translated under oncogenic conditions

  • 0Department of Medical Data Science, Center of Medical Innovation and Translational Research, Osaka University Graduate School of Medicine, Suita, Osaka 565-0871, Japan.

Summary

This summary is machine-generated.

The RNA component of signal recognition particle 7SL1 (RN7SL1) small open reading frame (smORF) may be translated into peptides. GFP-positive cells expressing RN7SL1-GFP exhibited an oncogenic state.

Area Of Science

  • Molecular Biology
  • RNA Biology
  • Cancer Biology

Background

  • The RNA component of signal recognition particle 7SL1 (RN7SL1) is a non-coding RNA.
  • RN7SL1 contains a small open reading frame (smORF) of unknown translational capacity.

Purpose Of The Study

  • To investigate the potential translation of the RN7SL1 smORF.
  • To explore the cellular consequences of RN7SL1 smORF expression.

Main Methods

  • Constructed a fusion gene replacing the RN7SL1 smORF with Green Fluorescent Protein (GFP).
  • Transfected 293T cells with the RN7SL1-GFP construct.
  • Analyzed GFP-positive cells using RNA sequencing (RNA-seq).

Main Results

  • Observed GFP fluorescence in transfected cells, indicating expression of the fusion protein.
  • RNA-seq analysis revealed that GFP-positive cells were in an oncogenic state.
  • These findings suggest RN7SL1 smORF translation under specific conditions.

Conclusions

  • The study provides evidence that the RN7SL1 smORF can be translated into peptides.
  • RN7SL1 smORF translation is associated with an oncogenic cellular state.
  • Further research is warranted to elucidate the mechanisms and implications of RN7SL1 translation.

Keywords:

Related Concept Videos

Rous Sarcoma Virus (RSV) and Cancer 01:03

5.1K

Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand  RNA genome. Its genome consists of four main open...

Translation 01:31

14.8K

Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Proteins are...

Cancer-Critical Genes I: Proto-oncogenes 01:33

8.9K

Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...

The Retinoblastoma Gene 01:20

4.1K

Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...

Leaky Scanning 02:28

5.1K

During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R...

The Nucleolus 02:55

8.8K

The nucleolus is the most prominent substructure of the nucleus. When it was first discovered, it was considered to be an isolated organelle that forms fibrils and granules. In 1931, the relationship between the nucleolus and chromosomes was first described by Heitz. He observed that the appearance and size of nucleolus varies depending on the stage of the cell cycle. He also noticed constricted regions on different chromosomes clustered together at definite cell cycle stages. These regions,...