流变性视网膜脱离中感光器损伤后病理性 ATP 的眼内动力学。

IF 2.1 3区 医学 Q2 OPHTHALMOLOGY Japanese Journal of Ophthalmology Pub Date : 2024-09-01 Epub Date: 2024-07-26 DOI:10.1007/s10384-024-01087-x
Takashi Tachibana, Shoji Notomi, Jun Funatsu, Kohta Fujiwara, Shunji Nakatake, Yusuke Murakami, Shintaro Nakao, Takashi Kanamoto, Yasuhiro Ikeda, Tatsuro Ishibashi, Koh-Hei Sonoda, Toshio Hisatomi
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引用次数: 0

摘要

目的:在视网膜变性过程中,垂死细胞释放的细胞外三磷酸腺苷(ATP)可能会导致邻近细胞继发性死亡。我们研究了眼内 ATP 动力学,以便从力学角度了解流变性视网膜脱离(RRD)的病理:研究设计:回顾性临床研究:在玻璃体切除术中从RRD(75例)、黄斑孔(MH;20例)和视网膜外膜(ERM;35例)患者身上获取玻璃体或视网膜下液(SRF)。这些样本中的ATP水平通过荧光素酶检测法进行测量:结果:RRD 患者玻璃体内的平均 ATP 水平明显高于 MH 和 ERM 患者(分别为 2.3 和 0.3 nM)(P8 天)(分别为 3.2 和 1.4 nM)。结论RRD患者玻璃体和SRF中的ATP增加,并随着时间的推移随着ENTPD1的上调而减少。动力学表明了RRD后细胞外ATP过多的病理机制。
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Intraocular kinetics of pathological ATP after photoreceptor damage in rhegmatogenous retinal detachment.

Purpose: Extracellular Adenosine triphosphate (ATP) released by dying cells may cause a secondary cell death in neighboring cells in retinal degeneration. We investigated intraocular ATP kinetics to gain mechanical insights into the pathology in rhegmatogenous retinal detachment (RRD).

Study design: Retrospective clinical study.

Methods: Vitreous or subretinal fluids (SRF) were obtained from patients with RRD (n=75), macular hole (MH; n=20), and epiretinal membrane (ERM; n=35) during vitrectomy. ATP levels in those samples were measured by luciferase assay.

Results: Mean ATP levels in the vitreous from RRD patients were significantly higher compared to those from MH and ERM patients (2.3 and 0.3 nM, respectively. P<0.01). Mean ATP levels in the SRF from RRD (11.7 nM) were higher than those in the vitreous from RRD (P<0.01). Mean ATP levels in the vitreous with short durations (1-8 days) of RRD were higher compared to those with long durations (>8 days) (3.2 and 1.4 nM, respectively. P<0.05). Similarly, ATP in SRF with short durations were higher than those with long durations (23.8 and 3.6 nM, respectively. P<0.05). Furthermore, the concentrations of ectonucleoside triphosphate diphosphohydrolase-1 (ENTPD1), a major ATP degradative enzyme, in the vitreous from RRD were higher than those from MH/ERM (1.2 and 0.2 ng/ml, respectively. P<0.01). ENTPD1 expression was localized in the cytoplasm of CD11b-positive infiltrating cells in the vitreous and retinal cells.

Conclusion: ATP increased in the vitreous and SRF in RRD and decreased over time with an upregulation of ENTPD1. The kinetics indicate the pathological mechanism of the excessive extracellular ATP after RRD.

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来源期刊
CiteScore
4.80
自引率
8.30%
发文量
65
审稿时长
6-12 weeks
期刊介绍: The Japanese Journal of Ophthalmology (JJO) was inaugurated in 1957 as a quarterly journal published in English by the Ophthalmology Department of the University of Tokyo, with the aim of disseminating the achievements of Japanese ophthalmologists worldwide. JJO remains the only Japanese ophthalmology journal published in English. In 1997, the Japanese Ophthalmological Society assumed the responsibility for publishing the Japanese Journal of Ophthalmology as its official English-language publication. Currently the journal is published bimonthly and accepts papers from authors worldwide. JJO has become an international interdisciplinary forum for the publication of basic science and clinical research papers.
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