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Up regulation of long non-coding RNAs BACE1 and down regulation of LINC-PINT are associated with CRC clinicopathological characteristics

Bakhtiari-Nezhad, Sara, Rejali, Leili, Hadizadeh, Mahrooyeh, Taleghani, Mohammad Yaghob, Aghdaei, Hamid Asadzadeh, Young, Chris, Khanabadi, Binazir, Nazemalhosseini-Mojarad, Ehsan, Bonab, Maziar Ashrafian (2022) Up regulation of long non-coding RNAs BACE1 and down regulation of LINC-PINT are associated with CRC clinicopathological characteristics. Molecular Biology Reports, . ISSN 0301-4851. (doi:10.1007/s11033-022-07707-4) (KAR id:96959)

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Background Long non-coding RNAs (LncRNAs) are known to have regulatory consequences for aberrant gene expression in cancers. The aim of this study was to evaluate the expression levels of long non-encoding RNAs, BACE1 (β-secretase1) and LINC-PINT (Long Intergenic Non-Protein Coding RNA, P53 Induced Transcript), in colorectal cancer (CRC) with clinicopathological parameters.

Methods and results Bioinformatics analysis defning efectual signalling pathways Wnt. A total of 130 tissue samples (50 fresh CRC tissues with parallel adjacent normal tissues (ADJ) accompanied with 30 normal healthy control tissue samples) were collected from the Iranian population. mRNA expression analysis was performed via Real Time Q-PCR. Statistical analysis for comparing CRC expression levels with ADJ and normal healthy tissues were carried out using Kruskal–Wallis tests. The Receiver Operating Characteristic (ROC) curve was plotted for each LNC, separately. We discovered that PINT and BACE1 expression levels were decreased and increased respectively in CRC tumour samples compared with ADJ normal and healthy tissues. Clinicopathological parameter assessment revealed a signifcant relationship between PINT expression, tumour location, staging and distant metastasis (p<0.009, p<0.014, p<0.008, respectively). Also, BACE1 over expression was signifcantly associated with tumour site (p<0.009), metastasis (p<0.017) and histological diferentiation (p<0.028) and staging (p<0.017). Furthermore, ROC curve plotting showed LINC-PINT LNC-BACE1 may distinguish between early and late-stage of CRC, highlighting the value of both BACE1 and PINT as CRC progression biomarkers.

Conclusion We investigated two LNCRNAs (PINT and BACE1) as potential CRC prognostic biomarkers, which are imperative for early and efective medical intervention in CRC. Expression levels of PINT and BACE1 in CRC tissue samples may serve to identify metastasis earlier, increasing patient survival rates and expediating clinical treatment options.

Item Type: Article
DOI/Identification number: 10.1007/s11033-022-07707-4
Uncontrolled keywords: Colorectal cancer (CRC) · Long non-coding RNAs (LncRNAs) · LINC-PINT · LNC-BACE1
Subjects: R Medicine
Divisions: Divisions > Division of Natural Sciences > Kent and Medway Medical School
Depositing User: Maziar Ashrafian Bonab
Date Deposited: 16 Sep 2022 10:05 UTC
Last Modified: 16 Sep 2022 10:06 UTC
Resource URI: (The current URI for this page, for reference purposes)
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