2023
Longitudinal biomarkers and kidney disease progression after acute kidney injury
Wen Y, Xu L, Melchinger I, Thiessen-Philbrook H, Moledina D, Coca S, Hsu C, Go A, Liu K, Siew E, Ikizler T, Chinchilli V, Kaufman J, Kimmel P, Himmelfarb J, Cantley L, Parikh C, Consortium T. Longitudinal biomarkers and kidney disease progression after acute kidney injury. JCI Insight 2023, 8: e167731. PMID: 36951957, PMCID: PMC10243801, DOI: 10.1172/jci.insight.167731.Peer-Reviewed Original ResearchConceptsAcute kidney injuryIschemic reperfusion injuryKidney disease progressionKidney injuryTubular healthDisease progressionChronic kidney disease (CKD) incidenceCox proportional hazards regressionMurine acute kidney injuryKidney disease incidenceUrine KIM-1Proportional hazards regressionCKD progressionCKD transitionUrine uromodulinIncident CKDComposite outcomeKidney atrophyProspective cohortReperfusion injuryHazards regressionKIM-1Prognostic valueMCP-1Initial insult
2022
Immune-mediated tubule atrophy promotes acute kidney injury to chronic kidney disease transition
Xu L, Guo J, Moledina DG, Cantley LG. Immune-mediated tubule atrophy promotes acute kidney injury to chronic kidney disease transition. Nature Communications 2022, 13: 4892. PMID: 35986026, PMCID: PMC9391331, DOI: 10.1038/s41467-022-32634-0.Peer-Reviewed Original ResearchConceptsAcute kidney injuryKidney injuryT cellsChronic kidney disease transitionIschemia-reperfusion kidney injuryKidney disease transitionChronic kidney diseaseDepletion of neutrophilsGlomerular filtration rateT cell recruitmentTubular cell lossMacrophage persistenceProinflammatory neutrophilsTubule damageKidney atrophyContralateral kidneyNeutrophil numbersContralateral nephrectomyKidney diseaseTubule atrophyFiltration rateCell recruitmentMore macrophagesDay 14Day 5Arginase-1 Is Required for Macrophage-Mediated Renal Tubule Regeneration
Shin NS, Marlier A, Xu L, Doilicho N, Linberg D, Guo J, Cantley LG. Arginase-1 Is Required for Macrophage-Mediated Renal Tubule Regeneration. Journal Of The American Society Of Nephrology 2022, 33: 1077-1086. PMID: 35577558, PMCID: PMC9161787, DOI: 10.1681/asn.2021121548.Peer-Reviewed Original ResearchConceptsIschemia-reperfusion injuryTubular cell proliferationArginase-1Contralateral nephrectomyRenal repairFl/Littermate controlsTubular cellsReceptor 1GM-CSFRenal tubular cell proliferationRenal tubule regenerationMacrophage scavenger receptor 1Mannose receptor 1Cell proliferative responsesCell proliferationScavenger receptor 1Coculture of macrophagesDead cell debrisKidney injuryKidney repairRenal responseProinflammatory activationTubule regenerationMouse survival
2021
The Role of Myeloid Cells in Acute Kidney Injury and Kidney Repair
Xu L. The Role of Myeloid Cells in Acute Kidney Injury and Kidney Repair. Kidney360 2021, 2: 1852-1864. PMID: 35372990, PMCID: PMC8785849, DOI: 10.34067/kid.0000672021.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsBiomarkers of inflammation and repair in kidney disease progression
Puthumana J, Thiessen-Philbrook H, Xu L, Coca SG, Garg AX, Himmelfarb J, Bhatraju PK, Ikizler T, Siew E, Ware LB, Liu KD, Go AS, Kaufman JS, Kimmel PL, Chinchilli VM, Cantley L, Parikh CR. Biomarkers of inflammation and repair in kidney disease progression. Journal Of Clinical Investigation 2021, 131 PMID: 33290282, PMCID: PMC7843225, DOI: 10.1172/jci139927.Peer-Reviewed Original ResearchConceptsKidney disease progressionComposite kidney outcomeChronic kidney diseaseDisease progressionEGFR declineKidney outcomesRenal atrophyMouse modelMonocyte chemoattractant protein-1CHI3L1 mRNA expressionComposite renal outcomeGreater eGFR declineIntroductionAcute kidney injuryProspective cohort studyGlomerular filtration rateBiomarkers of inflammationProgressive renal fibrosisYKL-40 levelsChemoattractant protein-1Traditional clinical variablesLong-term progressionLoop of HenleMultimarker scoreRenal outcomesKidney injury
2017
Breast Regression Protein–39/Chitinase 3–Like 1 Promotes Renal Fibrosis after Kidney Injury via Activation of Myofibroblasts
Montgomery TA, Xu L, Mason S, Chinnadurai A, Lee CG, Elias JA, Cantley LG. Breast Regression Protein–39/Chitinase 3–Like 1 Promotes Renal Fibrosis after Kidney Injury via Activation of Myofibroblasts. Journal Of The American Society Of Nephrology 2017, 28: 3218-3226. PMID: 28679671, PMCID: PMC5661290, DOI: 10.1681/asn.2017010110.Peer-Reviewed Original ResearchConceptsBRP-39Kidney injuryKidney repairChitinase 3Unilateral ischemia-reperfusion injuryBreast regression protein 39Kidney 14 daysPromotes Renal FibrosisRobust inflammatory infiltrateSevere interstitial fibrosisIschemia-reperfusion injuryActivation of myofibroblastsTubular cell survivalProfibrotic growth factorsWild-type miceIL-13 receptorAnalysis of macrophagesMacrophage persistenceTubular injuryInflammatory infiltrateProfibrotic markersInterstitial fibrosisRenal fibrosisMyofibroblast accumulationProfibrotic signaling