2020
Tyrosyl phosphorylation of PZR promotes hypertrophic cardiomyopathy in PTPN11-associated Noonan syndrome with multiple lentigines
Yi JS, Perla S, Enyenihi L, Bennett AM. Tyrosyl phosphorylation of PZR promotes hypertrophic cardiomyopathy in PTPN11-associated Noonan syndrome with multiple lentigines. JCI Insight 2020, 5 PMID: 32584792, PMCID: PMC7455087, DOI: 10.1172/jci.insight.137753.Peer-Reviewed Original ResearchConceptsProtein tyrosine phosphataseTyrosyl phosphorylationNSML micePhosphorylation-defective mutantPTPN11 mutationsS6 kinase activityPZR tyrosyl phosphorylationTyrosine phosphataseS6 kinasePathophysiological signalingKinase activityShp2 interactionMutant fibroblastsSHP2Transmembrane glycoproteinMultiple lentiginesNoonan syndromeCraniofacial defectsPTPN11 geneHeart lysatesPhosphorylationSHP2 bindingMutationsNF-κB pathwayProtein zero
2016
Low-dose dasatinib rescues cardiac function in Noonan syndrome
Yi JS, Huang Y, Kwaczala AT, Kuo IY, Ehrlich BE, Campbell SG, Giordano FJ, Bennett AM. Low-dose dasatinib rescues cardiac function in Noonan syndrome. JCI Insight 2016, 1: e90220. PMID: 27942593, PMCID: PMC5135272, DOI: 10.1172/jci.insight.90220.Peer-Reviewed Original ResearchConceptsNoonan syndromeSrc homology 2 domain-containing protein tyrosine phosphatase 2NS miceLow-dose dasatinib treatmentLow-dose dasatinibTyrosine kinase inhibitorsHearts of miceAutosomal dominant disorderCommon targetCardiac fibrosisDasatinib treatmentCardiac functionCardiomyocyte contractilityLow doseCardiac abnormalitiesShort statureNS casesNSML miceCommon autosomal dominant disorderMultiple lentiginesCraniofacial dysmorphismKinase inhibitorsMiceDasatinibProtein zero