Abstract：
:Alternative splicing of cancer-related genes is a common cellular mechanism accounting for cancer cell transcriptome complexity and affecting cell cycle control, proliferation, apoptosis, angiogenesis, invasion, and metastasis. In this study, we describe the discovery and molecular cloning of thirty novel transcripts of the human KLK5, KLK6, KLK7, KLK8 and KLK9 genes, using 3' rapid amplification of cDNA ends (3' RACE) and NGS technology, as well as their expression analysis in many established cell lines, originating from several distinct cancerous and normal tissues. Extensive bioinformatic analysis revealed novel splice variants of these five members of the KLK family, comprising entirely new exons, previously unknown boundaries of the already annotated exons (extensions and truncations) as well as alternative splicing events between these exons. Nested RT-PCR in a panel of human cell lines originating from seventeen cancerous and two normal tissues with the use of variant-specific pairs of primers was carried out for expression analysis of these novel splice variants, and Sanger sequencing of the respective amplicons confirmed our NGS results. Given that some splice variants of KLK family members possess clinical value, novel alternatively spliced transcripts appear as new candidate biomarkers for diagnostic and/or prognostic purposes and as targets for therapeutic strategies.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Adamopoulos PG,Kontos CK,Scorilas Adoi
10.1038/s41598-017-16269-6subject
Has Abstractpub_date
2017-12-11 00:00:00pages
17299issue
1issn
2045-2322pii
10.1038/s41598-017-16269-6journal_volume
7pub_type
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pub_type： 临床试验,杂志文章
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