2020
Predicting outcomes following second intent healing of periocular surgical defects
Kibbi N, Khan Y, Leffell DJ, Christensen SR, Suozzi KC. Predicting outcomes following second intent healing of periocular surgical defects. Archives Of Dermatological Research 2020, 313: 483-489. PMID: 32833078, DOI: 10.1007/s00403-020-02122-w.Peer-Reviewed Original ResearchConceptsMohs micrographic surgeryMedial canthusSingle academic surgical centerAcademic surgical centerConclusionsThis retrospective studyMedial canthal lesionAverage defect diameterMethodsRetrospective analysisTumor characteristicsPeriocular tumorsRetrospective studyPoor outcomePeriocular lesionsSurgical centersMicrographic surgeryWorse outcomesAnatomic locationAimThe purposeScar outcomeLarge lesionsUpper eyelidEyelid marginLid marginSurgical defectsLower eyelid
2019
Photodynamic therapy for cutaneous squamous cell carcinoma in situ: Impact of anatomic location, tumor diameter, and incubation time on effectiveness
Kibbi N, Zhang Y, Leffell DJ, Christensen SR. Photodynamic therapy for cutaneous squamous cell carcinoma in situ: Impact of anatomic location, tumor diameter, and incubation time on effectiveness. Journal Of The American Academy Of Dermatology 2019, 82: 1124-1130. PMID: 31712171, DOI: 10.1016/j.jaad.2019.10.079.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overAminolevulinic AcidAnalysis of VarianceBiopsy, NeedleCarcinoma in SituCarcinoma, Squamous CellCohort StudiesDisease-Free SurvivalFemaleHumansImmunohistochemistryLogistic ModelsMaleMiddle AgedMultivariate AnalysisNeoplasm InvasivenessNeoplasm StagingPhotochemotherapyPrognosisRetrospective StudiesSkin NeoplasmsSurvival AnalysisTreatment OutcomeTumor BurdenConceptsCutaneous squamous cell carcinomaALA incubation timeSquamous cell carcinomaTumor diameterALA-PDTSubsequent recurrenceCell carcinomaAnatomic locationInitial complete response ratePhotodynamic therapyCases of SCCISMultivariate analysis factorsComplete response rateMedical record reviewEffectiveness of PDTPatient demographicsClinical responseMedian timeRetrospective reviewRecord reviewRetrospective studyTreatment detailsSingle institutionEffective treatmentResponse rate
2017
Sirolimus-Associated Rapid Progression of Leg Ulcers in a Renal Transplant Recipient
Totonchy MB, Colegio OR, Christensen SR. Sirolimus-Associated Rapid Progression of Leg Ulcers in a Renal Transplant Recipient. JAMA Dermatology 2017, 153: 105-106. PMID: 27806175, DOI: 10.1001/jamadermatol.2016.3546.Peer-Reviewed Original Research
2015
Histopathologic assessment of depth of follicular invasion of squamous cell carcinoma (SCC) in situ (SCCis): Implications for treatment approach
Christensen SR, McNiff JM, Cool AJ, Aasi SZ, Hanlon AM, Leffell DJ. Histopathologic assessment of depth of follicular invasion of squamous cell carcinoma (SCC) in situ (SCCis): Implications for treatment approach. Journal Of The American Academy Of Dermatology 2015, 74: 356-362. PMID: 26670714, DOI: 10.1016/j.jaad.2015.09.060.Peer-Reviewed Original ResearchConceptsSquamous cell carcinomaHair follicle infundibulumFollicular invasionCell carcinomaMohs micrographic surgeryHair follicle epitheliumAdditional patientsIntraoperative pathologyOptimal therapyRetrospective reviewTreatment failureProspective evaluationSingle institutionHistopathologic assessmentMicrographic surgeryMost tumorsDeep invasionTreatment approachesPathology specimensFollicle epitheliumLower follicleSCCISSurgeryCarcinomaInvasion
2013
TLR9 Promotes Tolerance by Restricting Survival of Anergic Anti-DNA B Cells, Yet Is Also Required for Their Activation
Nickerson KM, Christensen SR, Cullen JL, Meng W, Prak E, Shlomchik MJ. TLR9 Promotes Tolerance by Restricting Survival of Anergic Anti-DNA B Cells, Yet Is Also Required for Their Activation. The Journal Of Immunology 2013, 190: 1447-1456. PMID: 23296704, PMCID: PMC3563726, DOI: 10.4049/jimmunol.1202115.Peer-Reviewed Original ResearchConceptsAnti-DNA B cellsB cellsBone marrowAbsence of TLR9Autoimmune prone animalsAutoimmune-prone MRLSystemic lupus erythematosusAnergic B cellsB cell compartmentB cell toleranceAb-forming cellsL chain editingB cell life spanFunctional anergyLupus erythematosusTLR9 expressionAutoreactive cellsPeripheral activationExtrafollicular pathwayPeripheral repertoireSystemic autoimmunityMouse modelAnergic cellsTLR9Cell life span
2007
Bazex syndrome (acrokeratosis paraneoplastica)
Poligone B, Christensen SR, Lazova R, Heald PW. Bazex syndrome (acrokeratosis paraneoplastica). The Lancet 2007, 369: 530. PMID: 17292773, DOI: 10.1016/s0140-6736(07)60240-2.Peer-Reviewed Original Research
2006
Toll-like Receptor 7 and TLR9 Dictate Autoantibody Specificity and Have Opposing Inflammatory and Regulatory Roles in a Murine Model of Lupus
Christensen SR, Shupe J, Nickerson K, Kashgarian M, Flavell RA, Shlomchik MJ. Toll-like Receptor 7 and TLR9 Dictate Autoantibody Specificity and Have Opposing Inflammatory and Regulatory Roles in a Murine Model of Lupus. Immunity 2006, 25: 417-428. PMID: 16973389, DOI: 10.1016/j.immuni.2006.07.013.Peer-Reviewed Original ResearchConceptsLupus-prone miceSystemic lupus erythematosusAutoimmune diseasesToll-like receptor 7Toll-like receptor 9Absence of TLR9TLR7-deficient miceDevelopment of lupusPlasmacytoid DCsLupus erythematosusSerum IgGSusceptible miceAutoantibody specificitiesReceptor 7Receptor 9DNA autoantibodiesClinical diseaseIFN-alphaMurine modelLymphocyte activationTLR7TLR9Regulatory roleDiseaseMice
2005
Toll-like receptor 9 controls anti-DNA autoantibody production in murine lupus
Christensen SR, Kashgarian M, Alexopoulou L, Flavell RA, Akira S, Shlomchik MJ. Toll-like receptor 9 controls anti-DNA autoantibody production in murine lupus. Journal Of Experimental Medicine 2005, 202: 321-331. PMID: 16027240, PMCID: PMC2212997, DOI: 10.1084/jem.20050338.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, AntinuclearAntibody FormationAutoantigensAutoimmunityB-LymphocytesDNADNA-Binding ProteinsHumansImmunity, InnateLupus NephritisMembrane GlycoproteinsMiceMice, KnockoutReceptors, Cell SurfaceRibonucleoproteins, Small NuclearSnRNP Core ProteinsToll-Like Receptor 3Toll-Like Receptor 9Toll-Like ReceptorsConceptsToll-like receptor 9TLR9-deficient miceAutoantibody productionAutoimmune diseasesReceptor 9Clinical autoimmune diseaseDNA-containing antigensSelf-nuclear antigensAnti-DNA autoantibody productionAnti-dsDNA autoantibodiesLupus-prone miceSystemic lupus erythematosusFormation of autoantibodiesSystemic autoimmune diseaseInnate immune activationAutoreactive B cellsLupus erythematosusAutoantibody formationMurine lupusImmune activationImmunologic toleranceAntichromatin autoantibodiesSmith antigenCpG DNAB cells