2018
Sphingolipid de novo biosynthesis is essential for intestine cell survival and barrier function
Li Z, Kabir I, Tietelman G, Huan C, Fan J, Worgall T, Jiang XC. Sphingolipid de novo biosynthesis is essential for intestine cell survival and barrier function. Cell Death & Disease 2018, 9: 173. PMID: 29415989, PMCID: PMC5833386, DOI: 10.1038/s41419-017-0214-1.Peer-Reviewed Original ResearchConceptsTamoxifen treatmentBarrier functionInflammatory bowel diseaseGoblet cell numbersCell survivalConcurrent diarrheaSPTLC2 expressionIntestinal cell survivalRectal bleedingBowel diseaseRate-limiting enzymeBody weightColon specimensGoblet cellsSerine palmitoyltransferaseSmall intestineDay 6MiceEarly lifeIntestineReduced lethalitySPT activityCell numberSPTLC2Survival
2016
Liver serine palmitoyltransferase activity deficiency in early life impairs adherens junctions and promotes tumorigenesis
Li Z, Kabir I, Jiang H, Zhou H, Libien J, Zeng J, Stanek A, Ou P, Li KR, Zhang S, Bui HH, Kuo M, Park T, Kim B, Worgall TS, Huan C, Jiang X. Liver serine palmitoyltransferase activity deficiency in early life impairs adherens junctions and promotes tumorigenesis. Hepatology 2016, 64: 2089-2102. PMID: 27642075, PMCID: PMC5115983, DOI: 10.1002/hep.28845.Peer-Reviewed Original ResearchConceptsAdherens junctionsSerine palmitoyltransferaseHepatocyte polaritySubunit 2 geneCanonical Wnt pathwaySphingolipid biosynthesisPlasma membraneKey enzymeMajor proteinsWnt pathwayRecombination approachHepatocyte plasma membraneCellular distributionΒ-cateninTumorigenesisCadherin phosphorylationSphingomyelin levelsActivity deficiencyCentral componentPalmitoyltransferaseMembraneCadherinBiosynthesisLiver regenerationGenes