The role of excitotoxicity in secondary mechanisms of spinal cord injury: a review with an emphasis on the implications for white matter degeneration

E Park, AA Velumian, MG Fehlings - Journal of neurotrauma, 2004 - liebertpub.com
Following an initial impact after spinal cord injury (SCI), there is a cascade of downstream
events termed 'secondary injury', which culminate in progressive degenerative events in the …

[PDF][PDF] Enhanced LTP in mice deficient in the AMPA receptor GluR2

…, J Henderson, R Gerlai, FA Taverna, A Velumian… - Neuron, 1996 - cell.com
AMPA receptors (AMPARs) are not thought to be involved in the induction of long-term
potentiation (LTP), but may be involved in its expression via second messenger pathways. …

Neuronal hyperpolarization-activated pacemaker channels drive neuropathic pain

…, L Luo, C Liu, C Kuei, AA Velumian… - Journal of …, 2003 - Soc Neuroscience
Neuropathic pain is a common and often incapacitating clinical problem for which little useful
therapy is presently available. Painful peripheral neuropathies can have many etiologies, …

Modulation of high‐voltage–activated calcium channels in dentate granule cells by topiramate

X Zhang, AA Velumian, OT Jones, PL Carlen - Epilepsia, 2000 - Wiley Online Library
Purpose: In this study, we assessed the effects of topiramate (TPM) on high‐voltage‐activated
calcium channel (HVACC) currents in vitro. Methods: HVACC currents were recorded from …

Connexin 43 mimetic peptides inhibit spontaneous epileptiform activity in organotypic hippocampal slice cultures

…, K Wentlandt, Y Adamchik, AA Velumian… - Experimental …, 2008 - Elsevier
Gap junctions are cytoplasmic channels connecting adjacent cells and mediating their
electrical and metabolic coupling. Different cell types in the CNS express various gap junction …

Functional Changes in Genetically Dysmyelinated Spinal Cord Axons of Shiverer Mice: Role of Juxtaparanodal Kv1 Family K+ Channels

…, S Karimi-Abdolrezaee, AA Velumian… - Journal of …, 2006 - journals.physiology.org
Axonal dysfunction after spinal cord injury (SCI) and other types of neurotrauma is associated
with demyelination and exposure of juxtaparanodal K + channels. In this study, sucrose …

Visualization of cytoplasmic diffusion within living myelin sheaths of CNS white matter axons using microinjection of the fluorescent dye Lucifer Yellow

AA Velumian, M Samoilova, MG Fehlings - Neuroimage, 2011 - Elsevier
The compactness of myelin allows for efficient insulation defining rapid propagation of action
potentials, but also raises questions about how cytoplasmic access to its membranes is …

Chronic in vitro ketosis is neuroprotective but not anti‐convulsant

…, P Abdelmalik, AA Velumian… - Journal of …, 2010 - Wiley Online Library
J. Neurochem. (2010) 113, 826–835. Abstract The ketogenic diet (KD), used successfully to
treat a variety of epilepsy syndromes in humans and to attenuate seizures in different animal …

Differential control of three after‐hyperpolarizations in rat hippocampal neurones by intracellular calcium buffering

AA Velumian, PL Carlen - The Journal of physiology, 1999 - Wiley Online Library
1 The whole‐cell recording technique, combined with internal perfusion, was used to study
the effects of intracellular Ca 2+ buffering on fast, medium and slow after‐hyperpolarizations (…

Examining the fundamental biology of a novel population of directly reprogrammed human neural precursor cells

JE Ahlfors, A Azimi, R El-Ayoubi, A Velumian… - Stem Cell Research & …, 2019 - Springer
Background Cell reprogramming is a promising avenue for cell-based therapies as it allows
for the generation of multipotent, unipotent, or mature somatic cells without going through a …