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β-地中海贫血症中诱导自噬的治疗相关性。

Therapeutic Relevance of Inducing Autophagy in β-Thalassemia.

机构信息

Center "Chiara Gemmo and Elio Zago" for the Research on Thalassemia, Department of Life Sciences and Biotechnology, University of Ferrara, 44121 Ferrara, Italy.

出版信息

Cells. 2024 May 25;13(11):918. doi: 10.3390/cells13110918.

Abstract

The β-thalassemias are inherited genetic disorders affecting the hematopoietic system. In β-thalassemias, more than 350 mutations of the adult gene cause the low or absent production of adult hemoglobin (HbA). A clinical parameter affecting the physiology of erythroid cells is the excess of free α-globin. Possible experimental strategies for a reduction in excess free α-globin chains in β-thalassemia are CRISPR-Cas9-based genome editing of the gene, forcing "de novo" HbA production and fetal hemoglobin (HbF) induction. In addition, a reduction in excess free α-globin chains in β-thalassemia can be achieved by induction of the autophagic process. This process is regulated by the Unc-51-like kinase 1 () gene. The interplay with the PI3K/Akt/TOR pathway, with the activity of the α-globin stabilizing protein (AHSP) and the involvement of microRNAs in autophagy and gene expression, is presented and discussed in the context of identifying novel biomarkers and potential therapeutic targets for β-thalassemia.

摘要

β-地中海贫血是一种遗传性血液病,影响造血系统。在β-地中海贫血中,超过 350 种成人 基因的突变导致成人血红蛋白 (HbA) 的产生减少或缺失。影响红细胞生理的一个临床参数是游离α-珠蛋白过剩。减少β-地中海贫血中游离α-珠蛋白链过剩的可能实验策略是基于 CRISPR-Cas9 的 基因基因组编辑,强制“从头”产生 HbA 和胎儿血红蛋白 (HbF)。此外,通过诱导自噬过程也可以减少β-地中海贫血中游离α-珠蛋白链的过剩。这个过程受到非典型卷曲螺旋激酶 1 (Unc-51-like kinase 1 () 基因的调节。本文介绍并讨论了该基因与 PI3K/Akt/TOR 通路之间的相互作用,以及α-珠蛋白稳定蛋白 (alpha-globin stabilizing protein (AHSP)) 的活性和 microRNAs 在自噬和 基因表达中的作用,以期确定β-地中海贫血的新型生物标志物和潜在治疗靶点。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ab28/11171814/73b391348c2d/cells-13-00918-g001.jpg

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