Effect of let-7a overexpression on the differentiation of conjunctiva mesenchymal stem cells into photoreceptor-like cells

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Ranjbarnejad Fatemeh; NADRI SAMAD; BIGLARI ALIREZA; MOHAMMADI YEGANEH SAMIRA; PARYAN MAHDI

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Journal Paper

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Journal: Iranian Journal of Basic Medical Sciences Year:2019 | Volume:22 | Issue:8 Page(s): 878-883

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Title

Effect of let-7a overexpression on the differentiation of conjunctiva mesenchymal stem cells into photoreceptor-like cells

Author(s)

Keywords

Conjunctiva

Let-7a

Mesenchymal stem cells

MiRNAs

Photoreceptor differentiation

Abstract

Objective(s): MicroRNAs (MiRNAs) could regulate many cellular processes such as proliferation and differentiation. Let-7a miRNA is one of the key regulators in the developmental transition of retinal progenitor cells into differentiated cells. Current evidence suggests that Mesenchymal stem cells (MSCs) can isolate from various tissues such as bone marrow and Conjunctiva. In this study, we investigated the effect of Let-7a overexpression on induced differentiation of Conjunctiva Mesenchymal stem cells (CJMSCs) into photoreceptor-like cells. Materials and Methods: After isolation and characterization, CJMSCs were transduced with lentiviruses containing Let-7a or empty vector. The effect of Let-7a overexpression on expression of photoreceptorspecific markers was evaluated by quantitative real-time PCR (RT-qPCR) after 28 and 42 days of transduction. Results: The relative expression of rhodopsin and recoverin genes was evaluated by RT-qPCR in Let-7a overexpressing cells, control vector transduced cells and untransduced CJMSCs (control cells). Our results indicated that following overexpression of Let-7a, after 28 and 42 days of transduction, significant up-regulation in the expression of recoverin (574. 7 and 43. 9 folds) and rhodopsin (3334. 7 and 53. 1 folds) were observed, respectively. Conclusion: Our findings indicate that overexpression of Let-7a microRNA can increase the expression of photoreceptor-specific genes in CJMSCs. Moreover, it is prospective that Let-7a overexpression can use as an alternative protocol for the differentiation of Mesenchymal stem cells into photoreceptors. It seems that the effect of Let-7a on the differentiation of CJMSCs into photoreceptors is also timedependent.

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APA: Copy

Ranjbarnejad, Fatemeh, NADRI, SAMAD, BIGLARI, ALIREZA, MOHAMMADI YEGANEH, SAMIRA, & PARYAN, MAHDI. (2019). Effect of let-7a overexpression on the differentiation of conjunctiva mesenchymal stem cells into photoreceptor-like cells. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, 22(8), 878-883. SID. https://sid.ir/paper/723606/en

Vancouver: Copy

Ranjbarnejad Fatemeh, NADRI SAMAD, BIGLARI ALIREZA, MOHAMMADI YEGANEH SAMIRA, PARYAN MAHDI. Effect of let-7a overexpression on the differentiation of conjunctiva mesenchymal stem cells into photoreceptor-like cells. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES[Internet]. 2019;22(8):878-883. Available from: https://sid.ir/paper/723606/en

IEEE: Copy

Fatemeh Ranjbarnejad, SAMAD NADRI, ALIREZA BIGLARI, SAMIRA MOHAMMADI YEGANEH, and MAHDI PARYAN, “Effect of let-7a overexpression on the differentiation of conjunctiva mesenchymal stem cells into photoreceptor-like cells,” IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES, vol. 22, no. 8, pp. 878–883, 2019, [Online]. Available: https://sid.ir/paper/723606/en

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