2018
BDNF Val66Met polymorphism and posttraumatic stress symptoms in U.S. military veterans: Protective effect of physical exercise
Pitts BL, Whealin JM, Harpaz-Rotem I, Duman RS, Krystal JH, Southwick SM, Pietrzak RH. BDNF Val66Met polymorphism and posttraumatic stress symptoms in U.S. military veterans: Protective effect of physical exercise. Psychoneuroendocrinology 2018, 100: 198-202. PMID: 30388593, DOI: 10.1016/j.psyneuen.2018.10.011.Peer-Reviewed Original ResearchMeSH KeywordsAgedAmino Acid SubstitutionBrain-Derived Neurotrophic FactorCase-Control StudiesExerciseFemaleHumansMaleMethionineMiddle AgedMilitary PersonnelPolymorphism, Single NucleotideProtective FactorsResilience, PsychologicalSeverity of Illness IndexStress Disorders, Post-TraumaticUnited StatesValineVeteransConceptsMet allele carriersBDNF Val66Met polymorphismAllele carriersVal66Met polymorphismPhysical exerciseGreater severityPTSD symptomsU.S. military veteransTrauma burdenBrain-derived neurotrophic factor (BDNF) Val66Met polymorphismPast-month PTSD symptomsNeurotrophic factor Val66Met polymorphismMilitary veteransLifetime trauma burdenHigh trauma burdenVal/ValAdrenal (HPA) axis reactivityPosttraumatic stress disorder (PTSD) symptomsBDNF releaseCurrent PTSD symptomsProtective effectRe-experiencing symptomsAxis reactivityPosttraumatic stress symptomsSymptoms
2017
The Association of PTSD Symptom Severity With Localized Hippocampus and Amygdala Abnormalities
Akiki TJ, Averill CL, Wrocklage KM, Schweinsburg B, Scott JC, Martini B, Averill LA, Southwick SM, Krystal JH, Abdallah CG. The Association of PTSD Symptom Severity With Localized Hippocampus and Amygdala Abnormalities. Chronic Stress 2017, 1: 2470547017724069. PMID: 28825050, PMCID: PMC5562232, DOI: 10.1177/2470547017724069.Peer-Reviewed Original ResearchPosttraumatic stress disorderUS veteransAmygdala abnormalitiesVertex-wise shape analysisPTSD symptomsClinician-Administered PTSD ScaleCross-sectional studyHigh-resolution magnetic resonanceStructural neuroimaging studiesSevere PTSD symptomsHippocampal abnormalitiesPTSD symptom severitySubtle morphometric changesRe-experiencing symptomsRight hippocampusCentromedial amygdalaPTSD symptom clustersRight amygdalaPTSD ScaleAnterior hippocampusHippocampusStructural abnormalitiesDSM-IVSymptom clustersSymptom severity
2006
Decreased Cerebrospinal Fluid Allopregnanolone Levels in Women with Posttraumatic Stress Disorder
Rasmusson AM, Pinna G, Paliwal P, Weisman D, Gottschalk C, Charney D, Krystal J, Guidotti A. Decreased Cerebrospinal Fluid Allopregnanolone Levels in Women with Posttraumatic Stress Disorder. Biological Psychiatry 2006, 60: 704-713. PMID: 16934764, DOI: 10.1016/j.biopsych.2006.03.026.Peer-Reviewed Original ResearchConceptsPosttraumatic stress disorderPremenopausal womenALLO levelsStress disorderCerebrospinal fluid levelsPTSD re-experiencing symptomsAllopregnanolone levelsOral contraceptivesGABAergic neurotransmissionDHEAS levelsPsychotropic medicationsFollicular phaseMenstrual cycleDHEA ratioExcitatory neurotransmissionNeurotransmitter systemsRe-experiencing symptomsDepressive symptomsPTSD subjectsFluid levelsGroup differencesIllicit drugsWomenNeurotransmissionProgesterone