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酸诱导管细胞的损伤 - 超和溶液与预制晶体

Onyebuchi C Ukaeje¹, Sanjit K Roy¹, Samuel Shin^1,2

¹Calcium Signaling Laboratory, Veterans Affairs Medical Center, Research Service, Washington, District of Columbia, USA.

Journal of biochemical and molecular toxicology

|January 31, 2025

概括

溶液中的酸 (CaP) 比预制的CaP晶体引起更大的细胞亡. 这项研究区分了结晶性病 (CN) 损伤的机制,揭示了细胞对超和溶液和固体晶体的明显反应.

科学领域:

腎臟病學 (nephrology) 是一種醫學專業.
细胞生物学细胞生物学
毒理学毒理学毒理学

背景情况:

结晶性病 (CN) 涉及到管中的微晶沉积,在结石患者中经常被视为结石症.
酸 (CaP) 微晶会引起毒性,导致脏疾病.
细胞死亡的确切机制,区分超和溶液和晶体物质,仍然不清楚.

研究的目的:

研究CaP溶液与预制的CaP晶体对脏管状细胞的差异作用.
为了阐明由CaP侮辱诱导的细胞死亡机制.

主要方法:

使用了小鼠脏管状细胞系 (LLCPK1).
评估的细胞事件:细胞活力,乳酸脱酶 (LDH) 和H2O2释放,Annexin V/propidium iodide (PI) 染色.
检查的分子事件:基因表达,氧化应激和内质网膜 (ER) 应激.

主要成果:

溶液中的CaP引起了LLCPK1细胞的显著损伤.
与预制的CaP晶体相比,CaP溶液表现出更强的死效应,由PI染色和增加LDH和H2O2释放证明.
在CaP溶液和晶体CaP攻击之间观察到明显的细胞和分子反应.

结论:

过的CaP溶液和预制的CaP晶体具有不同的毒作用.
与晶体形式相比,CaP溶液促进更明显的死细胞死亡途径.
这项研究揭示了一种新的机制,根据CaP损伤的形式来区分细胞损伤.

关键词:

灭症 (apoptosis) 是一种死亡的过程.酸晶体中的酸.结晶性脏病是一种神经病.死亡死亡的死亡.氧化应激是一种氧化应激.靠近的管状细胞这是一种超和溶液.

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