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Evaluation of Arylsulfatase D (Arsd) and Long Noncoding Rna Arsd-As1 Gene Expression in Breast Cancer Patients and Their Association With Oncogenic Transcription Factors Pubmed



Bahramian S1 ; Shamsabadi FT1 ; Fazel A2 ; Delshad E3 ; Amini A4 ; Memari F5 ; Shafiee M6
Authors
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Authors Affiliations
  1. 1. Stem Cell Research Center, Golestan University of Medical Sciences, Gorgan, Iran
  2. 2. Cancer Research Center, Golestan University of Medical Sciences, Gorgan, Iran
  3. 3. Biochemistry and Metabolic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Iran
  4. 4. Laboratory Sciences Research Center, Golestan University of Medical Sciences, Gorgan, Iran
  5. 5. Cancer Research Center, Cancer Institute of Iran, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Golestan Research Center of Gastroenterology and Hepatology, Golestan University of Medical Sciences, Gorgan, Iran

Source: Journal of B.U.ON. Published:2020


Abstract

Purpose: Long non-coding RNAs (LncRNAs) are thought as tumorigenic factors in cancer progression. We investigated the clinical significance of arylsulfatase D (ARSD) and ARSD antisense in breast cancer patients. Methods: Eighty breast cancer tumors were obtained from the Tumor Bank of Cancer Institute, Imam Khomeini Hospital. The expression level of ARSD and ARSD-AS1 were examined in breast tumors in comparison to the margin of normal tissues using quantitative real-time PCR. Demographic information and the clinicopathologic characteristics including tumor grade, presence of cell receptors, lymph node and vascular invasion were also evaluated. Bioinformatics databases were used for identification of ARSD and ARSD-AS1 molecular targets and their association with cancer. Results: Significant up-regulation of ARSD was observed in tumor tissues in comparison with its antisense (p<0.05). Both ARSD and ARSD-AS1 expression in tumor specimens were notably lower than those in adjacent normal tissue. High expression of ARSD was associated to lower tumor grade (p<0.05). Bioinformatics results revealed the interaction of ARSD with STS and SUMF1 proteins was attributed to the inhibiting of sulfates activity. Also, ARSD co-expressed genes were associated with oncogenic transcription factors, MAF and GATA. TP53 transcription factor site was identified as a target of ARSD-AS1 mRNA. The interaction of this antisense with microRNA (miR-618) could explain its participation in tumor cell proliferation. Conclusion: Low expression of ARSD was associated with higher tumor grade. The evidence from this study enhance our understanding of ARSD and ARSD-AS1 function in cancer gene therapy. Accordingly, they could be introduced as great potential targets for breast cancer treatment. © 2020 Zerbinis Publications. All rights reserved.
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