Title : Enhanced ammonia detoxification to urea in hepatocytes transduced with human aquaporin-8 gene.

Pub. Date : 2021 Nov

PMID : 34292591






8 Functional Relationships(s)
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1 Enhanced ammonia detoxification to urea in hepatocytes transduced with human aquaporin-8 gene. Ammonia aquaporin 8 Homo sapiens
2 Hepatocyte mitochondrial aquaporin-8 (AQP8) channels have been involved in ammonia-derived ureagenesis. Ammonia aquaporin 8 Homo sapiens
3 Hepatocyte mitochondrial aquaporin-8 (AQP8) channels have been involved in ammonia-derived ureagenesis. Ammonia aquaporin 8 Homo sapiens
4 Using primary cultured rat hepatocytes, we first confirmed the mitochondrial expression of hAQP8 and then, using unlabeled or 15 N-labeled ammonia, we demonstrated that the urea synthesis was significantly enhanced in hAQP8-transduced hepatocytes. Ammonia aquaporin 8 Homo sapiens
5 Studies using isolated hAQP8-expressing mitochondria also showed an increased ammonia metabolism. Ammonia aquaporin 8 Homo sapiens
6 hAQP8 transduction was able to recover the impaired ammonia-derived ureagenesis in hepatotoxin-treated hepatocytes. Ammonia aquaporin 8 Homo sapiens
7 Our data suggest that mitochondrially-expressed hAQP8 enhances and improves hepatocyte ammonia conversion to urea, a finding with potential therapeutic implications for liver disease with impaired ammonia detoxification. Ammonia aquaporin 8 Homo sapiens
8 Our data suggest that mitochondrially-expressed hAQP8 enhances and improves hepatocyte ammonia conversion to urea, a finding with potential therapeutic implications for liver disease with impaired ammonia detoxification. Ammonia aquaporin 8 Homo sapiens