Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka, Bangladesh.
Glocal School of Life Sciences, Glocal University, Saharanpur, India.
Curr Gene Ther. 2021;21(3):216-229. doi: 10.2174/1566523221666210303100805.
Lamin A/C encoded by the LMNA gene is an essential component for maintaining the nuclear structure. Mutation in the lamin A/C leads to a group of inherited disorders is known as laminopathies. In the human body, there are several mutations in the LMNA gene that have been identified. It can affect diverse organs or tissues or can be systemic, causing different diseases. In this review, we mainly focused on one of the most severe laminopathies, Hutchinson-Gilford progeria syndrome (HGPS). HGPS is an immensely uncommon, deadly, metameric ill-timed laminopathies caused by the abnormal splicing of the LMNA gene and production of an aberrant protein known as progerin. Here, we also presented the currently available data on the molecular mechanism, pathophysiology, available treatment, and future approaches to this deadly disease. Due to the production of progerin, an abnormal protein leads to an abnormality in nuclear structure, defects in DNA repair, shortening of telomere, and impairment in gene regulation which ultimately results in aging in the early stage of life. Now some treatment options are available for this disease, but a proper understanding of the molecular mechanism of this disease will help to develop a more appropriate treatment which makes it an emerging area of research.
由 LMNA 基因编码的核纤层蛋白 A/C 是维持核结构的重要组成部分。核纤层蛋白 A/C 的突变导致一组遗传性疾病,称为核纤层病。在人体中,已经鉴定出几个 LMNA 基因突变。它可以影响不同的器官或组织,也可以是全身性的,导致不同的疾病。在这篇综述中,我们主要关注最严重的核纤层病之一,即亨廷顿病-吉尔福德早衰综合征(HGPS)。HGPS 是一种非常罕见的、致命的、错位的过早衰老的核纤层病,由 LMNA 基因的异常剪接和产生一种异常蛋白即早衰蛋白引起。在这里,我们还介绍了目前关于该致命疾病的分子机制、病理生理学、现有治疗方法和未来治疗方法的可用数据。由于产生了异常蛋白,异常蛋白导致核结构异常、DNA 修复缺陷、端粒缩短和基因调控受损,最终导致生命早期的衰老。现在有一些治疗这种疾病的方法,但对这种疾病的分子机制有一个适当的了解将有助于开发出更合适的治疗方法,这使其成为一个新兴的研究领域。