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致死性癫痫性 Lafora 病的淀粉样变性抵抗自噬性糖原分解代谢。

Amylopectinosis of the fatal epilepsy Lafora disease resists autophagic glycogen catabolism.

机构信息

Division of Neurology, Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, 75390, USA.

Department of Neurology, The Agnes Ginges Center for Human Neurogenetics, Hadassah Hebrew University Medical Center, Jerusalem, 9112001, Israel.

出版信息

EMBO Mol Med. 2024 May;16(5):1047-1050. doi: 10.1038/s44321-024-00063-9. Epub 2024 Apr 2.

DOI:10.1038/s44321-024-00063-9
PMID:38565807
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11099118/
Abstract

In this Correspondence, B. Minassian and colleagues report that GHF201, an autophagy activator shown to diminish abnormal glycogen aggregates in a mouse model of Adult Polyglucosan Body Disease, fails to reduce such accumulations in a mouse model of Lafora disease. [Image: see text]

摘要

在这封通信中,B. Minassian 及其同事报告称,GHF201 是一种自噬激活剂,在成人多聚糖体病的小鼠模型中可减少异常糖原聚集体,但其在 Lafora 病的小鼠模型中并不能减少此类聚集体的积累。[图片:见正文]

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/eec8/11099118/852720acfbbd/44321_2024_63_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/eec8/11099118/852720acfbbd/44321_2024_63_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/eec8/11099118/852720acfbbd/44321_2024_63_Fig1_HTML.jpg

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本文引用的文献

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Alleviation of a polyglucosan storage disorder by enhancement of autophagic glycogen catabolism.通过增强自噬性糖原分解来缓解多己糖醇贮积症。
EMBO Mol Med. 2021 Oct 7;13(10):e14554. doi: 10.15252/emmm.202114554. Epub 2021 Sep 6.
2
Update on polyglucosan storage diseases.多黏糊精贮积症的最新进展。
Virchows Arch. 2019 Dec;475(6):671-686. doi: 10.1007/s00428-019-02633-6. Epub 2019 Jul 30.
3
Skeletal Muscle Glycogen Chain Length Correlates with Insolubility in Mouse Models of Polyglucosan-Associated Neurodegenerative Diseases.
骨骼肌糖原链长与多聚糖相关神经退行性疾病小鼠模型中的不溶性相关。
Cell Rep. 2019 Apr 30;27(5):1334-1344.e6. doi: 10.1016/j.celrep.2019.04.017.
4
SGK1 (glucose transport), dishevelled2 (wnt signaling), LC3/p62 (autophagy) and p53 (apoptosis) proteins are unaltered in Lafora disease.SGK1(葡萄糖转运)、散乱蛋白2(Wnt信号传导)、LC3/p62(自噬)和p53(凋亡)蛋白在拉福拉病中未发生改变。
All Results J Biol. 2016;7(3):28-33.
5
Abnormal glycogen chain length pattern, not hyperphosphorylation, is critical in Lafora disease.异常的糖原链长度模式,而非过度磷酸化,在拉福拉病中至关重要。
EMBO Mol Med. 2017 Jul;9(7):906-917. doi: 10.15252/emmm.201707608.
6
Lafora bodies and neurological defects in malin-deficient mice correlate with impaired autophagy.缺乏马拉inkin 的小鼠出现 Lafora 小体和神经缺陷与自噬受损相关。
Hum Mol Genet. 2012 Apr 1;21(7):1521-33. doi: 10.1093/hmg/ddr590. Epub 2011 Dec 20.
7
Dysfunctions in endosomal-lysosomal and autophagy pathways underlie neuropathology in a mouse model for Lafora disease.溶酶体和自噬途径的功能障碍是 Lafora 病小鼠模型神经病理学的基础。
Hum Mol Genet. 2012 Jan 1;21(1):175-84. doi: 10.1093/hmg/ddr452. Epub 2011 Sep 30.
8
Laforin, the most common protein mutated in Lafora disease, regulates autophagy.拉佛拉病中最常见的突变蛋白拉佛林调节自噬。
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