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Jie Chen

Researcher at Children's Hospital of Philadelphia

Publications -  26
Citations -  589

Jie Chen is an academic researcher from Children's Hospital of Philadelphia. The author has contributed to research in topics: Galactosemia & Galactitol. The author has an hindex of 13, co-authored 26 publications receiving 497 citations. Previous affiliations of Jie Chen include University of Pennsylvania.

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Regulation of glucagon secretion in normal and diabetic human islets by γ-hydroxybutyrate and glycine.

TL;DR: It is found that γ-hydroxybutyrate (GHB), a potent inhibitory neurotransmitter, is generated in β-cells by an extension of the GABA shunt during glucose stimulation and interacts with α-cell GHB receptors, thus mediating the suppressive effect of glucose on glucagon release.
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Galactose metabolism by the mouse with galactose-1-phosphate uridyltransferase deficiency.

TL;DR: Despite the presence of galactose and its metabolites in tissues and urine and impaired ability to oxidize the sugar, the GALT-deficient animals are indistinguishable from normal animals and do not exhibit the phenotype of humans with GALT -deficiency galACTosemia.
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Sphingolipid-based drugs selectively kill cancer cells by down-regulating nutrient transporter proteins.

TL;DR: FTY720, a water-soluble sphingolipid drug that is effective in many animal cancer models, selectively starves cancer cells to death by down-regulating nutrient transporter proteins, and FTY720 analogues such as AAL-149 should be effective against many different tumour types, particularly in combination with drugs that inhibit autophagy.
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Galactose breath testing distinguishes variant and severe galactose-1-phosphate uridyltransferase genotypes.

TL;DR: An oral 2-h [1-13C]galactose breath test distinguishes severe and variant GALT genotypes and enables delineation of the extent of impaired galactose metabolism in an array of patients who possess diverse GALT mutations.