Sorin Fedeles, PhD, MBA
Assistant Professor AdjunctCards
About
Research
Publications
2024
Role of Valosin-Containing Protein (VCP) in Ciliary Morphology and ADPKD: Exploring VCP as a Novel Genetic Interactor in Disease Progression
Pioppini C, Bhardwaj R, Fedeles S, Yilmaz D, Krappitz M. Role of Valosin-Containing Protein (VCP) in Ciliary Morphology and ADPKD: Exploring VCP as a Novel Genetic Interactor in Disease Progression. Journal Of The American Society Of Nephrology 2024, 35: 10.1681/asn.2024w6rq11tc. DOI: 10.1681/asn.2024w6rq11tc.Peer-Reviewed Original ResearchQualitative Analysis and Comparison of Externally Led, Patient-Focused Drug Development (EL-PFDD) Concepts for Autosomal Recessive Polycystic Kidney Disease (ARPKD) against Standardized Outcomes in Nephrology (SONG) Initiatives
Soyfer B, Fedeles S, Vanasco W, Perrone R, Liebau M, Hartung E, Dell K, Guay-Woodford L, Hoover E, Oberdhan D. Qualitative Analysis and Comparison of Externally Led, Patient-Focused Drug Development (EL-PFDD) Concepts for Autosomal Recessive Polycystic Kidney Disease (ARPKD) against Standardized Outcomes in Nephrology (SONG) Initiatives. Journal Of The American Society Of Nephrology 2024, 35: 10.1681/asn.2024fj4z3w71. DOI: 10.1681/asn.2024fj4z3w71.Peer-Reviewed Original ResearchChemical Modulation of the Ire1α-Xbp1 Pathway Reduces Cyst Size in ADPKD Mouse and Human Three-Dimensional Spheroids
Hasan F, Bhardwaj R, Rehman M, Cai Y, Dong K, Cordido A, Pioppini C, Yilmaz D, Tian X, Somlo S, Krappitz M, Fedeles S. Chemical Modulation of the Ire1α-Xbp1 Pathway Reduces Cyst Size in ADPKD Mouse and Human Three-Dimensional Spheroids. Journal Of The American Society Of Nephrology 2024, 35: 10.1681/asn.2024x8qpvhm3. DOI: 10.1681/asn.2024x8qpvhm3.Peer-Reviewed Original ResearchA synthetic agent ameliorates polycystic kidney disease by promoting apoptosis of cystic cells through increased oxidative stress
Fedeles B, Bhardwaj R, Ishikawa Y, Khumsubdee S, Krappitz M, Gubina N, Volpe I, Andrade D, Westergerling P, Staudner T, Campolo J, Liu S, Dong K, Cai Y, Rehman M, Gallagher A, Ruchirawat S, Croy R, Essigmann J, Fedeles S, Somlo S. A synthetic agent ameliorates polycystic kidney disease by promoting apoptosis of cystic cells through increased oxidative stress. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2317344121. PMID: 38241440, PMCID: PMC10823221, DOI: 10.1073/pnas.2317344121.Peer-Reviewed Original ResearchConceptsCyst cellsAutosomal dominant polycystic kidney diseaseMouse models of autosomal dominant polycystic kidney diseasePolycystic kidney diseaseModel of autosomal dominant polycystic kidney diseaseKidney diseaseDeveloped primersMitochondrial oxidative stressPathophysiology of autosomal dominant polycystic kidney diseaseOxidative stressInduce apoptosisMitochondrial respirationCystic cellsUp-regulating aerobic glycolysisHomozygous inactivationMonogenic causeDominant polycystic kidney diseaseAerobic glycolysisRenal replacement therapyApoptosisEnd-stage kidney diseaseAnti-tumor agentsAdult mouse modelChronic kidney diseaseAlkylate DNA
2023
Development of a Clinical Trial Enrichment (CTE) Tool for Autosomal Dominant Polycystic Kidney Disease
Aggarwal V, Zaph S, Leiser R, Quinlan L, Cui Z, Morales J, Miller C, Dasmahapatra P, Vanasco W, Romero K, Perrone R, Fedeles S. Development of a Clinical Trial Enrichment (CTE) Tool for Autosomal Dominant Polycystic Kidney Disease. Journal Of The American Society Of Nephrology 2023, 34: 206-206. DOI: 10.1681/asn.20233411s1206d.Peer-Reviewed Original ResearchInactivation of Ire1alpha Endoribonuclease Domain Slows Down ADPKD in Orthologous Mouse Models
Bhardwaj R, Volpe I, Yilmaz D, Pioppini C, Roy K, Rehman M, Cai Y, Krappitz M, Somlo S, Fedeles S. Inactivation of Ire1alpha Endoribonuclease Domain Slows Down ADPKD in Orthologous Mouse Models. Journal Of The American Society Of Nephrology 2023, 34: 19-19. DOI: 10.1681/asn.20233411s119b.Peer-Reviewed Original ResearchDephosphorylation Facilitates Trafficking of Mutant Polycystin-2 to Cilia
Cai Y, Dong K, Spitzer M, Geiges L, Tian X, Krappitz M, Diggs L, Wei Z, Cordido A, Pei S, Fedeles S, Somlo S. Dephosphorylation Facilitates Trafficking of Mutant Polycystin-2 to Cilia. Journal Of The American Society Of Nephrology 2023, 34: 560-560. DOI: 10.1681/asn.20233411s1560b.Peer-Reviewed Original ResearchCorrigendum to “WCN23-1242 Genetic interaction between XBP1 and Pkd1 modulates ADPKD progression” [Kidney International Reports Volume 8, Issue 3, Supplement, March 2023, Page S250]
Krappitz M, Pioppini C, Bhardwaj R, Duygu E, Hollmann T, Somlo S, Fedeles S. Corrigendum to “WCN23-1242 Genetic interaction between XBP1 and Pkd1 modulates ADPKD progression” [Kidney International Reports Volume 8, Issue 3, Supplement, March 2023, Page S250]. Kidney International Reports 2023, 8: 2182. PMID: 37850015, PMCID: PMC10577355, DOI: 10.1016/j.ekir.2023.08.001.Peer-Reviewed Original Research
2022
Polycystic Kidney Disease Drug Development: A Conference Report
Liebau M, Mekahli D, Perrone R, Soyfer B, Fedeles S. Polycystic Kidney Disease Drug Development: A Conference Report. Kidney Medicine 2022, 5: 100596. PMID: 36698747, PMCID: PMC9867973, DOI: 10.1016/j.xkme.2022.100596.Peer-Reviewed Original ResearchAutosomal dominant polycystic kidney diseasePolycystic kidney diseaseAutosomal recessive polycystic kidney diseaseRecessive polycystic kidney diseaseKidney diseaseProgression of ADPKDSide effect profileChronic kidney failureDisease-modifying therapiesAutosomal dominant polycystic liver diseasePolycystic liver diseaseTotal kidney volumeDominant polycystic kidney diseaseCritical Path InstituteMechanism of actionCommon monogenic disorderDrug development toolsEffect profileLiver diseaseKidney failureOutcomes ConsortiumEnrichment biomarkerClinical trialsKidney volumeSurrogate endpointsXBP1 Activation Reduces Severity of Polycystic Kidney Disease due to a Nontruncating Polycystin-1 Mutation in Mice
Krappitz M, Bhardwaj R, Dong K, Staudner T, Yilmaz DE, Pioppini C, Westergerling P, Ruemmele D, Hollmann T, Nguyen TA, Cai Y, Gallagher AR, Somlo S, Fedeles S. XBP1 Activation Reduces Severity of Polycystic Kidney Disease due to a Nontruncating Polycystin-1 Mutation in Mice. Journal Of The American Society Of Nephrology 2022, 34: 110-121. PMID: 36270750, PMCID: PMC10101557, DOI: 10.1681/asn.2021091180.Peer-Reviewed Original ResearchConceptsPolycystin-1Polycystin-2Functional polycystin-1Amino acid substitution mutationsAutosomal dominant polycystic kidney diseaseIntegral membrane proteinsTranscription factor XBP1Unfolded protein responsePost-translational maturationAcid substitution mutationsEndoplasmic reticulum chaperoneCiliary traffickingXBP1 activityChaperone functionIntegral membraneActive XBP1Polycystic kidney diseaseMembrane proteinsPC1 functionsPrimary ciliaProtein responseHypomorphic mutationsTransgenic activationSubstitution mutationsTransgenic expression
Academic Achievements & Community Involvement
News
News
- October 21, 2022
Researchers Demonstrate XBP1 Reduces Severity of Polycystic Kidney Disease
- January 12, 2022
Kidney Disease Research Supported by Department of Defense
- October 14, 2021Source: Critical Path Institute
Academic Innovation Leader and Experienced Scientist to Join C-Path’s PKD Consortium
- June 20, 2019
Fedeles Wins Inaugural Young Investigator Award from PKDF