Expression and localization of VIAAT in distal uriniferous tubular epithelium of mouse

Sakaew, Waraporn; Tachow, Apussara; Thoungseabyoun, Wipawee; Khrongyut, Suthankamon; Rawangwong, Atsara; Polsan, Yada; Watanabe, Masahiko; Kondo, Hisatake; Hipkaeo, Wiphawi

doi:10.1016/j.aanat.2018.11.002

Cited by 3 publications

(1 citation statement)

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“…SLC32A1 , solute carrier family 32 (GABA vesicular transporter) member 1, is a transmembrane transporter which is responsible for the storage of GABA or glycine in synaptic vesicles [ 119 ]. AP2M1 is highly expressed in the central nervous system [ 120 , 121 ], and encodes the μ-subunit of the adaptor protein complex 2 ( AP-2 ) [ 122 ].…”

Section: Discussionmentioning

confidence: 99%

Proteomics Reveals the Potential Protective Mechanism of Hydrogen Sulfide on Retinal Ganglion Cells in an Ischemia/Reperfusion Injury Animal Model

et al. 2020

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Glaucoma is the leading cause of irreversible blindness and is characterized by progressive retinal ganglion cell (RGC) degeneration. Hydrogen sulfide (H2S) is a potent neurotransmitter and has been proven to protect RGCs against glaucomatous injury in vitro and in vivo. This study is to provide an overall insight of H2S’s role in glaucoma pathophysiology. Ischemia-reperfusion injury (I/R) was induced in Sprague-Dawley rats (n = 12) by elevating intraocular pressure to 55 mmHg for 60 min. Six of the animals received intravitreal injection of H2S precursor prior to the procedure and the retina was harvested 24 h later. Contralateral eyes were assigned as control. RGCs were quantified and compared within the groups. Retinal proteins were analyzed via label-free mass spectrometry based quantitative proteomics approach. The pathways of the differentially expressed proteins were identified by ingenuity pathway analysis (IPA). H2S significantly improved RGC survival against I/R in vivo (p < 0.001). In total 1115 proteins were identified, 18 key proteins were significantly differentially expressed due to I/R and restored by H2S. Another 11 proteins were differentially expressed following H2S. IPA revealed a significant H2S-mediated activation of pathways related to mitochondrial function, iron homeostasis and vasodilation. This study provides first evidence of the complex role that H2S plays in protecting RGC against I/R.

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