Transfer RNA and human disease

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Transfer RNA and human disease

Pathological mutations in tRNA genes and tRNA processing enzymes are numerous and result in very complicated clinical phenotypes. Mitochondrial tRNA (mt-tRNA) genes are "hotspots" for pathological mutations and over 200 mt-tRNA mutations have been linked to various disease states. Often these mutations prevent tRNA aminoacylation. Disrupting this primary function affects protein synthesis and t...

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Transfer RNA methylase and transfer RNA methylase-inhibitor activity in normal and malignant human ovarian tissue.

Eight different human ovarian carcinomas were shown to have 2 to 25 times higher transfer RNA methylase-specific activity and transfer RNA methylating capacity than do normal ovarian tissues. The more rapidly metastasizing, poorly differentiated carcinomas had higher transfer RNA methylase activity than did slower metastasizing, well-dif ferentiated, and intermediately differentiated carcinomas...

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Transfer Rna Methylases of Human Lymphocytes

Assays were performed that measured both the rate and extent (or total capacity) of transfer RNA methylases in extracts of lymphocytes cultured in the presence and absence of phytohemagglutinin (PHA). The tRNA methylases of human peripheral blood lymphocytes undergoing blastogenesis in culture with PHA had a fiveto sixfold increase in rate and a threeto sevenfold increase in extent of methylati...

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ژورنال

عنوان ژورنال: Frontiers in Genetics

سال: 2014

ISSN: 1664-8021

DOI: 10.3389/fgene.2014.00158