NGR4 and ERBB4 as Promising Diagnostic and Therapeutic Targets for Metabolic Disorders
2023
Maria Vulf | Maria Bograya | Alexandra Komar | Olga Khaziakhmatova | Vladimir Malashchenko | Kristina Yurova | Anastasiya Sirotkina | Anastasiya Minchenko | Elena Kirienkova | Natalia Gazatova | Larisa Litvinova
Obese individuals are at high risk for developing type 2 diabetes mellitus, cardiovascular diseases, and nonalcoholic fatty liver disease. The aim of this review was to analyze the scientific literature and databases to reveal the fundamental role of neuregulin 4 (NRG4) and its receptors in the development of obesity-associated metabolic disorders. This review demonstrates that NRG4 and its receptors are promising therapeutic targets for the treatment of socially significant obesity-associated pathologies. The review contains nine chapters. Information on the structure of ERBB4 and NRG4 splice isoforms and subsequent activation of downstream targets is presented. The tissue-specific features of the NRG4 and ERBB4 genes and protein production are also highlighted. The role of NRG4 and ERBB3/4 in the pathophysiological mechanisms of the development of metabolic disorders in obesity is discussed in detail. The final chapter of the review is devoted to the miRNA-dependent regulation of NRG4 and ERBB4. Recent studies have shown that several miRNAs regulate ERBB4 expression, but no information was found on the interaction of NRG4 with miRNAs. We now demonstrate the putative relationships between NRG4 and let-7a-5p, let-7c-5p, miR-423-5p, miR-93-5p, miR-23a-3p, and miR-15b-5p for the first time. In addition, we found SNP mutations affecting the interaction of NRG4 and ERBB4 with miRNA in these genes as well as in miRNAs. In summary, this review provides a detailed and comprehensive overview of the role of NRG4 in obesity-associated metabolic disorders. The review summarizes all current studies on this topic and opens perspectives for future research.
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