2024
Placenta and Intestinal Injury in Preterm Infants
Garg P, Weitkamp J, McDonald A, Cilvik S, Mir I, Shenberger J, Olaloye O, Konnikova L, Kallapur S, Garg P. Placenta and Intestinal Injury in Preterm Infants. American Journal Of Perinatology 2024 PMID: 38889889, DOI: 10.1055/a-2347-4135.Peer-Reviewed Original ResearchNecrotizing enterocolitisIntestinal injuryRisk factors associated with necrotizing enterocolitisDevelopment of necrotizing enterocolitisLow birth weight infantsAssociated with intestinal injuryExposure to inflammationProspective multi-center studyAt-risk infantsHuman clinical studiesMulti-center studyPreterm infantsPlacental pathologyPreterm birthImmunomodulatory treatmentIntrauterine environmentLaboratory predictorsCause of deathClinical outcomesClinical impactClinical studiesPostnatal lifeVulnerable infantsPost pregnancyTriggering inflammationHuman milk supports robust intestinal organoid growth, differentiation, and homeostatic cytokine production
Smith L, Santiago E, Eke C, Gu W, Wang W, Llivichuzhca-Loja D, Kehoe T, St Denis K, Strine M, Taylor S, Tseng G, Konnikova L. Human milk supports robust intestinal organoid growth, differentiation, and homeostatic cytokine production. Gastro Hep Advances 2024 DOI: 10.1016/j.gastha.2024.07.007.Peer-Reviewed Original ResearchHuman milk supplementationTNF-related apoptosis inducing ligandDonor human milkLevels of leukemia inhibitory factorNecrotizing enterocolitisCytokine productionInflammatory immune signaturesComplications of prematurityHuman milkChromogranin A stainingSevere gastrointestinal complicationsMilk supplementationCell cycle-promoting genesIntestinal organoidsApoptosis inducing ligandIntestinal epithelial proliferationIntestinal epithelial growthGrowth factor analysisCleaved caspase 3Preterm infantsGestational ageLeukemia inhibitory factorImmune signaturesImmune landscapeHydrolyzed formulaSingle-cell atlas of the small intestine throughout the human lifespan demonstrates unique features of fetal immune cells
Gu W, Eke C, Gonzalez Santiago E, Olaloye O, Konnikova L. Single-cell atlas of the small intestine throughout the human lifespan demonstrates unique features of fetal immune cells. Mucosal Immunology 2024 PMID: 38555026, DOI: 10.1016/j.mucimm.2024.03.011.Peer-Reviewed Original ResearchImmune cellsDevelopment of mucosal immunityComplex immune landscapeFetal immune cellsSevere intestinal complicationsComplications of prematurityMemory T cellsAdaptive immune cellsMucosal immune cellsSmall intestineT cell statesMemory T cell statesStem-like propertiesNecrotizing enterocolitisNeonatal samplesMyeloid populationsImmune landscapeFetal samplesT cellsExpression of activationPostnatal samplesMucosal diseaseMucosal immunitySingle-cell RNA sequencingSingle-cell atlas
2021
Gestational Age-Specific Complete Blood Count Signatures in Necrotizing Enterocolitis
Pantalone JM, Liu S, Olaloye OO, Prochaska EC, Yanowitz T, Riley MM, Buland JR, Brozanski BS, Good M, Konnikova L. Gestational Age-Specific Complete Blood Count Signatures in Necrotizing Enterocolitis. Frontiers In Pediatrics 2021, 9: 604899. PMID: 33718296, PMCID: PMC7952609, DOI: 10.3389/fped.2021.604899.Peer-Reviewed Original ResearchComplete blood countNecrotizing enterocolitisGestational ageAntibiotic completionNEC onsetNeonatal intensive care unitMedical necrotizing enterocolitisIntensive care unitSurgical necrotizing enterocolitisLeukocyte patternImmune abnormalitiesNEC casesCare unitIllness onsetBlood countSingle institutionAcute dropCell abnormalitiesPercent changeCBC valuesInfantsWeeksDiagnosisEnterocolitisMonocytes
2017
Impact of Antibiotics on Necrotizing Enterocolitis and Antibiotic-Associated Diarrhea
Silverman MA, Konnikova L, Gerber JS. Impact of Antibiotics on Necrotizing Enterocolitis and Antibiotic-Associated Diarrhea. Gastroenterology Clinics Of North America 2017, 46: 61-76. PMID: 28164853, PMCID: PMC5314436, DOI: 10.1016/j.gtc.2016.09.010.Peer-Reviewed Original Research