Trends in Glycoscience and Glycotechnology
Online ISSN : 1883-2113
Print ISSN : 0915-7352
ISSN-L : 0915-7352
Article for JSCR 40th Anniversary Issue
NGLY1-Deficiency and the Non-Lysosomal Degradation of Free N-Glycans
Tadashi Suzuki
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2019 Volume 31 Issue 181 Pages SE55-SE56

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Abstract

Peptide:N-glycanase (PNGase) is a deglycosylating enzyme that acts on asparagine-linked (N-linked) glycans. I was involved in the discovery of this enzyme activity in 1993, as well as the identification of the gene encoding this enzyme in 2000. In 2007, I proposed the existence of a novel “non-lysosomal” glycan degradation pathway in which cytoplasmic PNGase plays pivotal roles. In 2008, I was fortunate to receive a Young Investigator Award from the Japanese Society of Carbohydrate Research. Since that time remarkable progress has been made regarding the functional analysis of the cytoplasmic PNGase (NGLY1 in mammals). After the discovery of a human genetic disorder, an NGLY1-deficiency, caused by the genetic mutations of NGLY1 gene, the functional importance of this enzyme has attracted widespread interest. In this article, I briefly summarize recent research progress on NGLY1.

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© 2019 FCCA (Forum: Carbohydrates Coming of Age)
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