User profiles for Helena Pivonkova
Helena PivonkovaDepartment of Physiology, Second Faculty of Medicine, Charles University Verified email at lfmotol.cuni.cz Cited by 979 |
Periods of synchronized myelin changes shape brain function and plasticity
Myelin, a lipid membrane that wraps axons, enabling fast neurotransmission and metabolic
support to axons, is conventionally thought of as a static structure that is set early in …
support to axons, is conventionally thought of as a static structure that is set early in …
Impact of global cerebral ischemia on K+ channel expression and membrane properties of glial cells in the rat hippocampus
H Pivonkova, J Benesova, O Butenko, A Chvatal… - Neurochemistry …, 2010 - Elsevier
Astrocytes and NG2 glia respond to CNS injury by the formation of a glial scar. Since the
changes in K + currents in astrocytes and NG2 glia that accompany glial scar formation might …
changes in K + currents in astrocytes and NG2 glia that accompany glial scar formation might …
[PDF][PDF] Nutritional regulation of oligodendrocyte differentiation regulates perineuronal net remodeling in the median eminence
…, S Buller, D Nuzzaci, K Ridley, B Lam, H Pivonkova… - Cell reports, 2021 - cell.com
The mediobasal hypothalamus (MBH; arcuate nucleus of the hypothalamus [ARH] and
median eminence [ME]) is a key nutrient sensing site for the production of the complex …
median eminence [ME]) is a key nutrient sensing site for the production of the complex …
Transplantation of predifferentiated adipose-derived stromal cells for the treatment of spinal cord injury
…, D Marekova, T Amemori, H Pivonkova… - Cellular and molecular …, 2011 - Springer
Adipose-derived stromal cells (ASCs) are an alternative source of stem cells for cell-based
therapies of neurological disorders such as spinal cord injury (SCI). In the present study, we …
therapies of neurological disorders such as spinal cord injury (SCI). In the present study, we …
Cell death/proliferation and alterations in glial morphology contribute to changes in diffusivity in the rat hippocampus after hypoxia—ischemia
M Anderova, I Vorisek, H Pivonkova… - Journal of Cerebral …, 2011 - journals.sagepub.com
To understand the structural alterations that underlie early and late changes in hippocampal
diffusivity after hypoxia/ischemia (H/I), the changes in apparent diffusion coefficient of water (…
diffusivity after hypoxia/ischemia (H/I), the changes in apparent diffusion coefficient of water (…
[HTML][HTML] Distinct expression/function of potassium and chloride channels contributes to the diverse volume regulation in cortical astrocytes of GFAP/EGFP mice
J Benesova, V Rusnakova, P Honsa, H Pivonkova… - PLoS …, 2012 - journals.plos.org
Recently, we have identified two astrocytic subpopulations in the cortex of GFAP-EGFP mice,
in which the astrocytes are visualized by the enhanced green–fluorescent protein (EGFP) …
in which the astrocytes are visualized by the enhanced green–fluorescent protein (EGFP) …
[HTML][HTML] Polydendrocytes display large lineage plasticity following focal cerebral ischemia
Polydendrocytes (also known as NG2 glial cells) constitute a fourth major glial cell type in
the adult mammalian central nervous system (CNS) that is distinct from other cell types. …
the adult mammalian central nervous system (CNS) that is distinct from other cell types. …
A matter of state: diversity in oligodendrocyte lineage cells
Y Kamen, H Pivonkova, KA Evans… - The …, 2022 - journals.sagepub.com
Oligodendrocyte precursor cells (OPCs) give rise to oligodendrocytes which myelinate
axons in the central nervous system. Although classically thought to be a homogeneous …
axons in the central nervous system. Although classically thought to be a homogeneous …
Neuronal activity-dependent myelin repair after stroke
Brain tissue undergoes substantial activity-dependent reorganisation after stroke due to
neuronal plasticity, leading to partial functional recovery in patients. Concurrent myelin repair is …
neuronal plasticity, leading to partial functional recovery in patients. Concurrent myelin repair is …
Increased expression of hyperpolarization‐activated cyclic nucleotide‐gated (HCN) channels in reactive astrocytes following ischemia
P Honsa, H Pivonkova, L Harantova, O Butenko… - Glia, 2014 - Wiley Online Library
Astrocytes respond to ischemic brain injury by proliferation, the increased expression of
intermediate filaments and hypertrophy, which results in glial scar formation. In addition, they …
intermediate filaments and hypertrophy, which results in glial scar formation. In addition, they …