Gene-specific MicroRNA Antagonism Protects Against HIV Tat and TGF-β-mediated Suppression of CFTR MRNA and Function

Overview

Journal Biomed Pharmacother

Specialties Biology
General Medicine
Pharmacology

Date 2021 Aug 31

PMID 34463266

Citations 7

Authors

R K Dutta

S Chinnapaiyan

M J Santiago

I Rahman

H J Unwalla

Affiliations

Soon will be listed here.

Abstract

Background: MicroRNAs play an important role in health and disease. TGF-β signaling, upregulated by HIV Tat, and in chronic airway diseases and smokers upregulates miR-145-5p to suppress cystic fibrosis transmembrane conductance regulator (CFTR). CFTR suppression in chronic airway diseases like Cystic Fibrosis, COPD and smokers has been associated with suppressed MCC and recurrent lung infections and inflammation. This can explain the emergence of recurrent lung infections and inflammation in people living with HIV.

Methods: Tat-induced aberrant microRNAome was identified by miRNA expression analysis. microRNA mimics and antagomirs were used to validate the identified miRNAs involved in Tat mediated CFTR mRNA suppression. CRISPR-based editing of the miRNA target sites in CFTR 3'UTR was used to determine rescue of CFTR mRNA and function in airway epithelial cell lines and in primary human bronchial epithelial cells exposed to TGF-β and Tat.

Findings: HIV Tat upregulates miR-145-5p and miR-509-3p. The two miRNAs demonstrate co-operative effects in suppressing CFTR. CRISPR-based editing of the miRNA target site preserves CFTR mRNA and function in airway epithelial cells INTERPRETATION: Given the important roles of TGF-β signaling and the multitude of genes regulated by miRNAs, we demonstrate that CRISPR-based gene-specific microRNA antagonism approach can preserve CFTR mRNA and function in the context of HIV Tat and TGF-β signaling without suppressing expression of other genes regulated by miR-145-5p.

Citing Articles

MicroRNAs in HIV infection: dual regulators of viral replication and host immunity.

Mansour R, El-Sayyad G, Rizk N, Mageed S, Basiouny M, El-Sayed S Naunyn Schmiedebergs Arch Pharmacol. 2025; .

PMID: 40029387 DOI: 10.1007/s00210-025-03893-7.

Dr. Jekyll or Mr. Hyde: The multifaceted roles of miR-145-5p in human health and disease.

Rahman M, Ghorai S, Panda K, Santiago M, Aggarwal S, Wang T Noncoding RNA Res. 2024; 11:22-37.

PMID: 39736851 PMC: 11683234. DOI: 10.1016/j.ncrna.2024.11.001.

HIV-1 Tat Protein and Cigarette Smoke Mediated ADAM17 Upregulation Can Lead to Impaired Mucociliary Clearance.

Panda K, Santiago M, Rahman M, Ghorai S, Black S, Rahman I Cells. 2024; 13(23).

PMID: 39682757 PMC: 11640087. DOI: 10.3390/cells13232009.

CFTR Inhibitors Display Antiviral Activity against Herpes Simplex Virus.

Jiang P, Dai Z, Yang C, Ding L, Li S, Xu X Viruses. 2024; 16(8).

PMID: 39205282 PMC: 11360776. DOI: 10.3390/v16081308.

Altered Host microRNAomics in HIV Infections: Therapeutic Potentials and Limitations.

Santiago M, Chinnapaiyan S, Panda K, Rahman M, Ghorai S, Rahman I Int J Mol Sci. 2024; 25(16.

PMID: 39201495 PMC: 11354509. DOI: 10.3390/ijms25168809.

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