Featured Publications
Susceptibility loci for intracranial aneurysm in European and Japanese populations
Bilguvar K, Yasuno K, Niemelä M, Ruigrok YM, von und zu Fraunberg M, van Duijn CM, van den Berg LH, Mane S, Mason CE, Choi M, Gaál E, Bayri Y, Kolb L, Arlier Z, Ravuri S, Ronkainen A, Tajima A, Laakso A, Hata A, Kasuya H, Koivisto T, Rinne J, Öhman J, Breteler MM, Wijmenga C, State MW, Rinkel GJ, Hernesniemi J, Jääskeläinen JE, Palotie A, Inoue I, Lifton RP, Günel M. Susceptibility loci for intracranial aneurysm in European and Japanese populations. Nature Genetics 2008, 40: 1472-1477. PMID: 18997786, PMCID: PMC2682433, DOI: 10.1038/ng.240.Peer-Reviewed Original ResearchGenome-wide association study of intracranial aneurysm identifies three new risk loci
Yasuno K, Bilguvar K, Bijlenga P, Low SK, Krischek B, Auburger G, Simon M, Krex D, Arlier Z, Nayak N, Ruigrok YM, Niemelä M, Tajima A, von und zu Fraunberg M, Dóczi T, Wirjatijasa F, Hata A, Blasco J, Oszvald A, Kasuya H, Zilani G, Schoch B, Singh P, Stüer C, Risselada R, Beck J, Sola T, Ricciardi F, Aromaa A, Illig T, Schreiber S, van Duijn CM, van den Berg LH, Perret C, Proust C, Roder C, Ozturk AK, Gaál E, Berg D, Geisen C, Friedrich CM, Summers P, Frangi AF, State MW, Wichmann HE, Breteler MM, Wijmenga C, Mane S, Peltonen L, Elio V, Sturkenboom MC, Lawford P, Byrne J, Macho J, Sandalcioglu EI, Meyer B, Raabe A, Steinmetz H, Rüfenacht D, Jääskeläinen JE, Hernesniemi J, Rinkel GJ, Zembutsu H, Inoue I, Palotie A, Cambien F, Nakamura Y, Lifton RP, Günel M. Genome-wide association study of intracranial aneurysm identifies three new risk loci. Nature Genetics 2010, 42: 420-425. PMID: 20364137, PMCID: PMC2861730, DOI: 10.1038/ng.563.Peer-Reviewed Original ResearchCommon variant near the endothelin receptor type A (EDNRA) gene is associated with intracranial aneurysm risk
Yasuno K, Bakırcıoğlu M, Low SK, Bilgüvar K, Gaál E, Ruigrok YM, Niemelä M, Hata A, Bijlenga P, Kasuya H, Jääskeläinen JE, Krex D, Auburger G, Simon M, Krischek B, Ozturk AK, Mane S, Rinkel GJ, Steinmetz H, Hernesniemi J, Schaller K, Zembutsu H, Inoue I, Palotie A, Cambien F, Nakamura Y, Lifton RP, Günel M. Common variant near the endothelin receptor type A (EDNRA) gene is associated with intracranial aneurysm risk. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 19707-19712. PMID: 22106312, PMCID: PMC3241810, DOI: 10.1073/pnas.1117137108.Peer-Reviewed Original ResearchConceptsGenome-wide association studiesDiscovery cohortDisease-related lociReplication cohortSignificant associationEndothelin receptor type AGenomic regionsChromosome 12q22Genetic evidenceIndependent Japanese cohortsIntracranial aneurysm formationRisk lociA geneEvidence of associationAssociation studiesEndothelin pathwayAneurysm formationEndothelin signalingCardiovascular disordersJapanese cohortLociCohortCommon variantsGenetic factorsTreatment of IAPPIL4 is essential for brain angiogenesis and implicated in intracranial aneurysms in humans
Barak T, Ristori E, Ercan-Sencicek AG, Miyagishima DF, Nelson-Williams C, Dong W, Jin SC, Prendergast A, Armero W, Henegariu O, Erson-Omay EZ, Harmancı AS, Guy M, Gültekin B, Kilic D, Rai DK, Goc N, Aguilera SM, Gülez B, Altinok S, Ozcan K, Yarman Y, Coskun S, Sempou E, Deniz E, Hintzen J, Cox A, Fomchenko E, Jung SW, Ozturk AK, Louvi A, Bilgüvar K, Connolly ES, Khokha MK, Kahle KT, Yasuno K, Lifton RP, Mishra-Gorur K, Nicoli S, Günel M. PPIL4 is essential for brain angiogenesis and implicated in intracranial aneurysms in humans. Nature Medicine 2021, 27: 2165-2175. PMID: 34887573, PMCID: PMC8768030, DOI: 10.1038/s41591-021-01572-7.Peer-Reviewed Original ResearchMeSH KeywordsBrainCyclophilinsExome SequencingHumansIntracranial AneurysmMutationNeovascularization, PathologicRNA-Binding ProteinsWnt Signaling PathwayConceptsGenome-wide association studiesPeptidyl-prolyl cis-transPathogenesis of IAContribution of variantsCommon genetic variantsVertebrate modelDeleterious mutationsWnt activatorAssociation studiesWhole-exome sequencingSignificant enrichmentGenetic variantsWntAngiogenesis regulatorsMutationsGene mutationsBrain angiogenesisIntracranial aneurysm ruptureJMJD6AngiogenesisCerebrovascular morphologyCerebrovascular integrityIntracerebral hemorrhageAneurysm ruptureVariants
2021
Genetically Determined Smoking Behavior and Risk of Nontraumatic Subarachnoid Hemorrhage
Acosta JN, Szejko N, Both CP, Vanent K, Noche RB, Gill TM, Matouk CC, Sheth KN, Gunel M, Falcone GJ. Genetically Determined Smoking Behavior and Risk of Nontraumatic Subarachnoid Hemorrhage. Stroke 2021, 52: 582-587. PMID: 33440997, PMCID: PMC7856108, DOI: 10.1161/strokeaha.120.031622.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedDatabases, FactualElectronic Health RecordsFemaleGenetic Predisposition to DiseaseGenetic VariationHumansIntracranial AneurysmMaleMendelian Randomization AnalysisMiddle AgedMultifactorial InheritanceOdds RatioRisk AssessmentSelf ReportSmokingStrokeSubarachnoid HemorrhageTreatment OutcomeUnited Kingdom
2014
High Risk Population Isolate Reveals Low Frequency Variants Predisposing to Intracranial Aneurysms
Kurki MI, Gaál EI, Kettunen J, Lappalainen T, Menelaou A, Anttila V, van 't Hof FN, Fraunberg M, Helisalmi S, Hiltunen M, Lehto H, Laakso A, Kivisaari R, Koivisto T, Ronkainen A, Rinne J, Kiemeney LA, Vermeulen SH, Kaunisto MA, Eriksson JG, Aromaa A, Perola M, Lehtimäki T, Raitakari OT, Salomaa V, Gunel M, Dermitzakis ET, Ruigrok YM, Rinkel GJ, Niemelä M, Hernesniemi J, Ripatti S, de Bakker PI, Palotie A, Jääskeläinen JE. High Risk Population Isolate Reveals Low Frequency Variants Predisposing to Intracranial Aneurysms. PLOS Genetics 2014, 10: e1004134. PMID: 24497844, PMCID: PMC3907358, DOI: 10.1371/journal.pgen.1004134.Peer-Reviewed Original Research
2012
Intracranial Aneurysm Risk Locus 5q23.2 Is Associated with Elevated Systolic Blood Pressure
Gaál EI, Salo P, Kristiansson K, Rehnström K, Kettunen J, Sarin AP, Niemelä M, Jula A, Raitakari OT, Lehtimäki T, Eriksson JG, Widen E, Günel M, Kurki M, von und zu Fraunberg M, Jääskeläinen JE, Hernesniemi J, Järvelin MR, Pouta A, , Newton-Cheh C, Salomaa V, Palotie A, Perola M. Intracranial Aneurysm Risk Locus 5q23.2 Is Associated with Elevated Systolic Blood Pressure. PLOS Genetics 2012, 8: e1002563. PMID: 22438818, PMCID: PMC3305343, DOI: 10.1371/journal.pgen.1002563.Peer-Reviewed Original ResearchMeSH KeywordsAdultBlood PressureChromosomes, Human, Pair 5Cohort StudiesFemaleFinlandGenetic Predisposition to DiseaseGenome-Wide Association StudyHumansIntracranial AneurysmMaleMiddle AgedMuscle ProteinsMyocytes, Smooth MusclePolymorphism, Single NucleotideRisk FactorsTranscription FactorsZinc FingersConceptsSystolic blood pressureBlood pressureSystolic BPRisk factorsIntracranial aneurysmsElevated systolic blood pressurePopulation-based Finnish cohortsDiastolic blood pressureHigher systolic BPMean arterial pressureTraditional risk factorsVascular smooth muscle cellsStrong risk factorCommon risk factorsQuantitative outcome variablesVascular wall structureSmooth muscle cellsGenome-wide association studiesArterial pressureCerebral arteryPulse pressureFinnish cohortComplex diseasesMuscle cellsRisk alleles
2010
The critical role of hemodynamics in the development of cerebral vascular disease.
Nixon AM, Gunel M, Sumpio BE. The critical role of hemodynamics in the development of cerebral vascular disease. Journal Of Neurosurgery 2010, 112: 1240-53. PMID: 19943737, DOI: 10.3171/2009.10.jns09759.Peer-Reviewed Original ResearchConceptsCerebral vascular diseaseVascular diseaseUnique hemodynamic conditionsExtracranial atherosclerosisArtery diseaseIntracranial atherosclerosisIntracranial saccular aneurysmsTreatment optionsVascular disordersHemodynamic parametersAneurysm formationSaccular aneurysmHemodynamic conditionsNormal levelsVascular biologyDiseaseMultiple studiesMore studiesPatient-specific dataAtherosclerosisHemodynamicsMagnitude of WSSRiskLow wall shear stressDisorders
2007
Complications from cervical intra-arterial heroin injection
DiLuna ML, Bydon M, Gunel M, Johnson MH. Complications from cervical intra-arterial heroin injection. Journal Of Neurology Neurosurgery & Psychiatry 2007, 78: 1198. PMID: 17940170, PMCID: PMC2117615, DOI: 10.1136/jnnp.2007.118752.Peer-Reviewed Original ResearchCerebrovascular disease associated with Aarskog-Scott syndrome
DiLuna ML, Amankulor NM, Johnson MH, Gunel M. Cerebrovascular disease associated with Aarskog-Scott syndrome. Neuroradiology 2007, 49: 457-461. PMID: 17294235, DOI: 10.1007/s00234-007-0209-1.Peer-Reviewed Original ResearchMeSH KeywordsAbnormalities, MultipleAdolescentBasilar ArteryCarotid Artery, InternalCerebellumCerebral AngiographyCraniofacial AbnormalitiesCryptorchidismGenes, DominantGuanine Nucleotide Exchange FactorsHernia, InguinalHumansIntracranial AneurysmIntracranial Arteriovenous MalformationsMagnetic Resonance AngiographyMagnetic Resonance ImagingMaleSyndromeGENETICS OF INTRACRANIAL ANEURYSMS
Nahed BV, Bydon M, Ozturk AK, Bilguvar K, Bayrakli F, Gunel M. GENETICS OF INTRACRANIAL ANEURYSMS. Neurosurgery 2007, 60: 213-226. PMID: 17290171, DOI: 10.1227/01.neu.0000249270.18698.bb.Peer-Reviewed Original ResearchMeSH KeywordsGenetic LinkageGenetic Predisposition to DiseaseHumansIntracranial AneurysmRisk FactorsConceptsIntracranial aneurysmsRisk factorsPatient-specific risk factorsGenetic susceptibilityAneurysmal subarachnoid hemorrhageHigh-risk individualsSpecific risk factorsIA pathogenesisNovel therapeutic strategiesRupture of aneurysmsDiagnosis of IAAsymptomatic patientsMedical comorbiditiesFormation of IAsPoor prognosisSubarachnoid hemorrhageEarly diagnosisEpidemiological studiesTherapeutic strategiesPreclinical settingDisease pathophysiologyOverall outcomePatientsAneurysmsModest improvement
2006
Molecular Genetic Analysis of Two Large Kindreds With Intracranial Aneurysms Demonstrates Linkage to 11q24-25 and 14q23-31
Ozturk AK, Nahed BV, Bydon M, Bilguvar K, Goksu E, Bademci G, Guclu B, Johnson MH, Amar A, Lifton RP, Gunel M. Molecular Genetic Analysis of Two Large Kindreds With Intracranial Aneurysms Demonstrates Linkage to 11q24-25 and 14q23-31. Stroke 2006, 37: 1021-1027. PMID: 16497978, DOI: 10.1161/01.str.0000206153.92675.b9.Peer-Reviewed Original ResearchConceptsGenome-wide linkage analysisMolecular genetic analysisGenetic analysisSusceptibility genesLinkage analysisSimple Mendelian traitPolymorphic microsatellite markersSignificant LOD scoreGenomic regionsMendelian traitsMicrosatellite markersCandidate lociGene chipOutlier approachOdds (LOD) scoreGenesChromosome 11q24Chromosome 11qAvailable family membersLOD scoreGenetic heterogeneityIa geneLociSib pairsGenetic factors
2005
Expression of Structural Proteins and Angiogenic Factors in Normal Arterial and Unruptured and Ruptured Aneurysm Walls
Kılıc T, Sohrabifar M, Kurtkaya Ö, Yildirim Ö, Elmaci I, Günel M, Pamir MN. Expression of Structural Proteins and Angiogenic Factors in Normal Arterial and Unruptured and Ruptured Aneurysm Walls. Neurosurgery 2005, 57: 997-1007. PMID: 16284569, DOI: 10.1227/01.neu.0000180812.77621.6c.Peer-Reviewed Original ResearchConceptsStructural proteinsGrowth factorPattern of expressionCertain structural proteinsAngiogenic growth factorsLevel of expressionNormal vessel wallGrowth factor alpha expressionAngiogenic factorsProteinBiological mediatorsExpressionFibronectinVessel wallLamininNovel findingsIntracranial aneurysm formationPairs of specimensAneurysmal specimensTissue groupsFormationMediatorsHypertension, age, and location predict rupture of small intracranial aneurysms.
Nahed BV, DiLuna ML, Morgan T, Ocal E, Hawkins AA, Ozduman K, Kahle KT, Chamberlain A, Amar AP, Gunel M. Hypertension, age, and location predict rupture of small intracranial aneurysms. Neurosurgery 2005, 57: 676-83; discussion 676-83. PMID: 16239879, DOI: 10.1227/01.neu.0000175549.96530.59.Peer-Reviewed Original ResearchConceptsUnruptured intracranial aneurysmsRisk factorsIntracranial aneurysmsSubarachnoid hemorrhageUnruptured aneurysmsMinimal long-term morbidityHistory of hypertensionNormal blood pressureLong-term morbidityTertiary medical centerAge of patientsAnterior circulation aneurysmsPosterior circulation aneurysmsSignificant risk factorsSignificant independent predictorsRupture of IAsMortality of treatmentLogistic regression modelsSmall intracranial aneurysmsHypertensive patientsIndependent predictorsPosterior circulationBlood pressureAneurysm characteristicsCurrent guidelines
2004
Mapping a Mendelian Form of Intracranial Aneurysm to 1p34.3-p36.13
Nahed BV, Seker A, Guclu B, Ozturk AK, Finberg K, Hawkins AA, DiLuna ML, State M, Lifton RP, Gunel M. Mapping a Mendelian Form of Intracranial Aneurysm to 1p34.3-p36.13. American Journal Of Human Genetics 2004, 76: 172-179. PMID: 15540160, PMCID: PMC1196421, DOI: 10.1086/426953.Peer-Reviewed Original ResearchConceptsMendelian formsSimple tandem repeatsIdentification of pathwaysHigh penetranceSingle geneUnderlying genesSingle nucleotide polymorphismsSingle locusTandem repeatsCandidate intervalGenomewide studiesDisease locusAnalysis of linkageLOD scoreLociRare familiesSignificant linkageRelative pairsGenesDominant traitEnvironmental factorsLarge kindredPenetranceRepeatsTraits
2000
Intraoperative endovascular treatment as an adjunct to microsurgical clipping of paraclinoid aneurysms.
Ng PY, Huddle D, Gunel M, Awad IA. Intraoperative endovascular treatment as an adjunct to microsurgical clipping of paraclinoid aneurysms. Journal Of Neurosurgery 2000, 93: 554-60. PMID: 11014532, DOI: 10.3171/jns.2000.93.4.0554.Peer-Reviewed Original ResearchConceptsInternal carotid arterySuction decompressionIntraoperative angiographyProximal controlMicrosurgical clippingEndovascular proceduresParaclinoid aneurysmsIntraoperative digital subtraction angiographyOptic canal decompressionFemoral artery catheterizationLarge paraclinoid aneurysmComplete aneurysm obliterationResidual aneurysm fillingDigital subtraction angiographyMajor infarctCanal decompressionArtery catheterizationBalloon occlusionEndovascular treatmentEndovascular methodsMicrosurgical treatmentParaclinoid segmentSubarachnoid hemorrhageVisual deteriorationTemporary clips