2021
Conditional RAC1 knockout in motor neurons restores H-reflex rate-dependent depression after spinal cord injury
Benson CA, Olson KL, Patwa S, Reimer ML, Bangalore L, Hill M, Waxman SG, Tan AM. Conditional RAC1 knockout in motor neurons restores H-reflex rate-dependent depression after spinal cord injury. Scientific Reports 2021, 11: 7838. PMID: 33837249, PMCID: PMC8035187, DOI: 10.1038/s41598-021-87476-5.Peer-Reviewed Original ResearchConceptsSpinal cord injuryDendritic spine dysgenesisMotor neuronsSpine dysgenesisSCI animalsHyperexcitability disordersCord injurySpinal alpha motor neuronsVentral horn motor neuronsAbnormal dendritic spine morphologyRac1 knockoutH-reflex pathwayRate-dependent depressionAlpha motor neuronsDevelopment of spasticityAdeno-associated viralMushroom dendritic spinesSpine head sizeOverall spine lengthDendritic spine morphologyRac1 protein expressionNeuronal hyperexcitabilityMajor complicationsClinical symptomsReflex excitability
2020
Dendritic Spine Dynamics after Peripheral Nerve Injury: An Intravital Structural Study
Benson CA, Fenrich KK, Olson KL, Patwa S, Bangalore L, Waxman SG, Tan AM. Dendritic Spine Dynamics after Peripheral Nerve Injury: An Intravital Structural Study. Journal Of Neuroscience 2020, 40: 4297-4308. PMID: 32371602, PMCID: PMC7252482, DOI: 10.1523/jneurosci.2858-19.2020.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsDendritic SpinesMaleMiceMice, Inbred C57BLMicroscopy, Fluorescence, MultiphotonPeripheral Nerve InjuriesSpinal Cord Dorsal HornConceptsDendritic spine dynamicsInjury-induced painPeripheral nerve injuryNeuropathic painDorsal hornSpine dynamicsNerve injuryPeripheral nerve injury-induced painNerve injury-induced painSuperficial dorsal horn neuronsSpinal cord dorsal hornDorsal horn neuronsSuperficial dorsal hornMechanisms of painDendritic spine dysgenesisContext of injuryPostmortem tissue analysisSame dendritic branchRepeat imagingMale miceMedical conditionsEffective treatmentPainSpine dysgenesisDendritic spines