5 years ago

The diversity in the expression profile of caveolin II transcripts, considering its new transcript in breast cancer

Nasibeh Arabi, Ariana Mehdi, Mohammad Esmaeil Akbari, Mohammad Reza Alivand, Maryam Salari, Shahla Mohammad Ganji, Hajar vaseghi, Majid Pornour
Most studies have revealed the effects of caveolins in cancer inhibition. However, due to a lack of reports about their new transcripts, their presence and their effects on different cancers are unclear. This study was conducted to evaluate the cavolin-2(cav-2) transcripts expression changes in tumoral and corresponding tissues and in contralateral breast, to investigate their variation associated with the variation of caveolin-1 (cav-1) expression in breast cancer. There were 40 breast-derived tumoral, corresponding and contralateral tissues obtained from the patients with breast cancer. The RNA and proteins were extracted from these samples. So, cav-1 and cav-2 transcripts' variation were assessed in whole tumoral, corresponding and contralateral breast. Also, their expression modifications were evaluated via the western blotting technique. The results derived from this study verified the presence of transcript III of cav-2 for the first time, which was reported only in the gene bank, but we could not detect and validate any protein associated with these transcripts. Also, the decreasing trend of cav-1 and the cav-2 (transcripts I and II) were observed in tumoral tissues compared to unaffected tissues especially in stages one and two. It seems that the descending expression levels of cav-1 and cav-2 (transcript I, II) besides the lasting expression of cav-2 (transcript III) are associated with the incidence and promotion of breast cancer, especially in the initial stages of breast cancer. So, this may show a potential in determining the patients who can undergo the prophylactic mastectomy. Moreover, the results of the study demonstrated that transcript III may be a candidate as a non-coding RNA. This article is protected by copyright. All rights reserved

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/jcb.26378

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