2022
Type IV Pili Are a Critical Virulence Factor in Clinical Isolates of Paenibacillus thiaminolyticus
Hehnly C, Shi A, Ssentongo P, Zhang L, Isaacs A, Morton S, Streck N, Erdmann-Gilmore P, Tolstoy I, Townsend R, Limbrick D, Paulson J, Ericson J, Galperin M, Schiff S, Broach J. Type IV Pili Are a Critical Virulence Factor in Clinical Isolates of Paenibacillus thiaminolyticus. MBio 2022, 13: e02688-22. PMID: 36374038, PMCID: PMC9765702, DOI: 10.1128/mbio.02688-22.Peer-Reviewed Original ResearchConceptsPostinfectious hydrocephalusClinical isolatesVirulence factorsCritical virulence factorPotential virulence factorsPoor long-term outcomesPrevention of hydrocephalusLong-term outcomesBacterial pathogensDevastating sequelaeNeonatal sepsisMiddle-income countriesNeonatal infectionSurgical interventionReference strainsNovel bacterial pathogensAfrican cohortBeta-lactamase genesChildhood mortalityHydrocephalusTherapeutic targetInfectionVirulent strainDevastating diseaseWhole-genome sequencingmirTarRnaSeq: An R/Bioconductor Statistical Package for miRNA-mRNA Target Identification and Interaction Analysis
Movassagh M, Morton S, Hehnly C, Smith J, Doan T, Irizarry R, Broach J, Schiff S, Bailey J, Paulson J. mirTarRnaSeq: An R/Bioconductor Statistical Package for miRNA-mRNA Target Identification and Interaction Analysis. BMC Genomics 2022, 23: 439. PMID: 35698050, PMCID: PMC9191533, DOI: 10.1186/s12864-022-08558-w.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionLung epithelial cellsEpithelial cellsHuman lung epithelial cellsSARS-CoV-2NK cellsStatistical PackageEBV miRNAsT cellsImmune pathwaysB cellsClinical relevanceSample cohortCD34 cellsStomach adenocarcinomaEndothelial cellsTime pointsInfectionCOVID-19CellsCD4AdenocarcinomaPatientsCD19Cytokines
2020
Paenibacillus infection with frequent viral coinfection contributes to postinfectious hydrocephalus in Ugandan infants
Paulson J, Williams B, Hehnly C, Mishra N, Sinnar S, Zhang L, Ssentongo P, Mbabazi-Kabachelor E, Wijetunge D, von Bredow B, Mulondo R, Kiwanuka J, Bajunirwe F, Bazira J, Bebell L, Burgoine K, Couto-Rodriguez M, Ericson J, Erickson T, Ferrari M, Gladstone M, Guo C, Haran M, Hornig M, Isaacs A, Kaaya B, Kangere S, Kulkarni A, Kumbakumba E, Li X, Limbrick D, Magombe J, Morton S, Mugamba J, Ng J, Olupot-Olupot P, Onen J, Peterson M, Roy F, Sheldon K, Townsend R, Weeks A, Whalen A, Quackenbush J, Ssenyonga P, Galperin M, Almeida M, Atkins H, Warf B, Lipkin W, Broach J, Schiff S. Paenibacillus infection with frequent viral coinfection contributes to postinfectious hydrocephalus in Ugandan infants. Science Translational Medicine 2020, 12 PMID: 32998967, PMCID: PMC7774825, DOI: 10.1126/scitranslmed.aba0565.Peer-Reviewed Original ResearchConceptsPostinfectious hydrocephalusCSF samplesPIH casesPotential causative organismsCerebrospinal fluid accumulationCytomegalovirus coinfectionUgandan infantsNeonatal sepsisSurgical palliationNeonatal infectionInfant casesOptimal treatmentInfant cohortCommon causeCausative organismPediatric hydrocephalusFluid accumulationHydrocephalusAnaerobic bacterial isolatesControl casesInfectionFacultative anaerobic bacterial isolatesInfantsParasitic DNADiseaseComplete Genome Sequences of the Human Pathogen Paenibacillus thiaminolyticus Mbale and Type Strain P. thiaminolyticus NRRL B-4156
Hehnly C, Zhang L, Paulson J, Almeida M, von Bredow B, Wijetunge D, Galperin M, Sheldon K, Schiff S, Broach J. Complete Genome Sequences of the Human Pathogen Paenibacillus thiaminolyticus Mbale and Type Strain P. thiaminolyticus NRRL B-4156. Microbiology Resource Announcements 2020, 9: 10.1128/mra.00181-20. PMID: 32273361, PMCID: PMC7380522, DOI: 10.1128/mra.00181-20.Peer-Reviewed Original Research
2017
A Murine Model to Study Epilepsy and SUDEP Induced by Malaria Infection
Ssentongo P, Robuccio A, Thuku G, Sim D, Nabi A, Bahari F, Shanmugasundaram B, Billard M, Geronimo A, Short K, Drew P, Baccon J, Weinstein S, Gilliam F, Stoute J, Chinchilli V, Read A, Gluckman B, Schiff S. A Murine Model to Study Epilepsy and SUDEP Induced by Malaria Infection. Scientific Reports 2017, 7: 43652. PMID: 28272506, PMCID: PMC5341121, DOI: 10.1038/srep43652.Peer-Reviewed Original ResearchConceptsCerebral malariaAnimal modelsStrain combinationsPrevention of epilepsySuch animal modelsSubsequent epilepsyNeurological sequelaeAdjunctive therapyPathophysiological mechanismsMalaria infectionUnexpected deathMurine modelEpilepsyPreclinical researchSUDEPMalariaGenetic backgroundMultiple miceEpileptogenesisSequelaeTherapyInfectionMiceSurvivorsPrevention
2012
Rainfall drives hydrocephalus in East Africa.
Schiff S, Ranjeva S, Sauer T, Warf B. Rainfall drives hydrocephalus in East Africa. Journal Of Neurosurgery Pediatrics 2012, 10: 161-7. PMID: 22768966, DOI: 10.3171/2012.5.peds11557.Peer-Reviewed Original Research
2011
Association of bacteria with hydrocephalus in Ugandan infants.
Li L, Padhi A, Ranjeva S, Donaldson S, Warf B, Mugamba J, Johnson D, Opio Z, Jayarao B, Kapur V, Poss M, Schiff S. Association of bacteria with hydrocephalus in Ugandan infants. Journal Of Neurosurgery Pediatrics 2011, 7: 73-87. PMID: 21194290, DOI: 10.3171/2010.9.peds10162.Peer-Reviewed Original ResearchConceptsUgandan infantsNeonatal sepsisPostinfectious hydrocephalusMajority of patientsMost patientsRecent infectionPolymerase chain reactionEffective treatmentPatientsPrevention strategiesHydrocephalusInfectionInfantsAcinetobacter speciesChain reactionAssociation of bacteriaBacterial DNAGram-negative bacteriaNegative bacteriaSepsisEnvironmental samplingSyndromeSeason infection
2000
Long-Term Follow-Up Data from the Shunt Design Trial
Kestle J, Drake J, Milner R, Sainte-Rose C, Cinalli G, Boop F, Piatt J, Haines S, Schiff S, Cochrane D, Steinbok P, MacNeil N. Long-Term Follow-Up Data from the Shunt Design Trial. Pediatric Neurosurgery 2000, 33: 230-236. PMID: 11155058, DOI: 10.1159/000055960.Peer-Reviewed Original ResearchConceptsFirst shunt failureShunt failureDifferential pressure valvesOverall shunt survivalShunt Design TrialShunt failure ratesLate complicationsShunt surgeryShunt survivalInitial treatmentTerm followShunt obstructionDelta valvesHydrocephalic childrenOriginal trialPediatric hydrocephalusSurvival advantagePatient statusPatientsTrialsDesign trialSignificant differencesObstructionOverdrainageInfection
1998
Randomized trial of cerebrospinal fluid shunt valve design in pediatric hydrocephalus.
Drake J, Kestle J, Milner R, Cinalli G, Boop F, Piatt J, Haines S, Schiff S, Cochrane D, Steinbok P, MacNeil N. Randomized trial of cerebrospinal fluid shunt valve design in pediatric hydrocephalus. Neurosurgery 1998, 43: 294-303; discussion 303-5. PMID: 9696082, DOI: 10.1097/00006123-199808000-00068.Peer-Reviewed Original ResearchConceptsShunt obstructionDifferential pressure valvesShunt failurePediatric hydrocephalusCerebrospinal fluid shunt failuresCerebrospinal fluid shunt insertionTreatment failure rateShunt failure ratesOrbis-Sigma valvePediatric neurosurgical centersUpright positionCerebrospinal fluid shuntsIndependent case reviewShunt insertionCerebral ventricleDelta valvesHydrocephalic childrenFailure rateNeurosurgical centersOutcome eventsCase reviewPatientsObstructionShunt valveInfection
1990
A surgeon's risk of AIDS.
Schiff S. A surgeon's risk of AIDS. Journal Of Neurosurgery 1990, 73: 651-60. PMID: 2213154, DOI: 10.3171/jns.1990.73.5.0651.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virusCumulative riskPercutaneous injuriesHIV infectionPercutaneous inoculationSurgical populationHIV prevalenceImmunodeficiency virusSurgeons riskSurgical techniqueProbability of infectionRisk estimatesInfectionSurgeonsBarrier protectionRiskRecent dataInjuryPrevalenceSurgeryYearsCasesAIDS
1989
Delayed Cerebrospinal-Fluid Shunt Infection in Children
Schiff S, Oakes J. Delayed Cerebrospinal-Fluid Shunt Infection in Children. Pediatric Neurosurgery 1989, 15: 131-135. PMID: 2702349, DOI: 10.1159/000120458.Peer-Reviewed Original Research