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Background

It was shown that the major part of human genome is transcribed and produces a large number of long noncoding RNAs (lncRNAs). Today there are many evidences that lncRNAs play important role in the regulation of gene expression during different cellular processes. Moreover, lncRNAs are involved in the development of various human diseases. However, the function of the major part of annotated transcripts is currently unknown, whereas different lncRNAs annotations tend to have low overlap. Recent studies revealed that some lncRNAs have small open reading frames (smORFs), that produce the functional microproteins. However, the question whether the function of such genes is determined by microprotein or RNA itself or both remains open. Thus, the study of new lncRNA genes is important to understanding the functional role of such a heterogeneous class of genes.

Results

In the present study, we used reverse transcription PCR and rapid amplification of cDNA ends (RACE) analysis to determine the structure of the LINC01420 transcript. We revealed that LINC01420 has two isoforms that differ in length of the last exon and are localized predominantly in the cytoplasm. We showed that expression of the short isoform is much higher than the long. Besides, MTT and wound-healing assays revealed that LINC01420 inhibited cell migration in human melanoma cell line A375, but does not influence on cell viability.

Conclusion

During our work, D'Lima et al. found smORF in the first exon of the LINC01420 gene. This smORF produces functional microprotein named non-annotated P-body dissociating polypeptide (NoBody). However, our results provide new facts about LINC01420 transcript and its function."xsd:string
http://purl.uniprot.org/citations/32039714http://purl.org/dc/terms/identifier"doi:10.1186/s12864-019-5538-z"xsd:string
http://purl.uniprot.org/citations/32039714http://purl.uniprot.org/core/author"Skoblov M.Y."xsd:string
http://purl.uniprot.org/citations/32039714http://purl.uniprot.org/core/author"Filatova A.Y."xsd:string
http://purl.uniprot.org/citations/32039714http://purl.uniprot.org/core/author"Konina D.O."xsd:string
http://purl.uniprot.org/citations/32039714http://purl.uniprot.org/core/date"2019"xsd:gYear
http://purl.uniprot.org/citations/32039714http://purl.uniprot.org/core/name"BMC Genomics"xsd:string
http://purl.uniprot.org/citations/32039714http://purl.uniprot.org/core/pages"298"xsd:string
http://purl.uniprot.org/citations/32039714http://purl.uniprot.org/core/title"LINC01420 RNA structure and influence on cell physiology."xsd:string
http://purl.uniprot.org/citations/32039714http://purl.uniprot.org/core/volume"20"xsd:string
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