Diversity of cortical activity changes beyond depression during spreading depolarizations

A Nasretdinov, D Vinokurova, CL Lemale… - Nature …, 2023 - nature.com
Spreading depolarizations (SDs) are classically thought to be associated with spreading
depression of cortical activity. Here, we found that SDs in patients with subarachnoid …

Brain injuries can set up an epileptogenic neuronal network

E Pototskiy, JR Dellinger, S Bumgarner, J Patel… - Neuroscience & …, 2021 - Elsevier
Abstract Development of epilepsy or epileptogenesis promotes recurrent seizures. As of
today, there are no effective prophylactic therapies to prevent the onset of epilepsy …

Aura phenomenon: a proposal for an etiology-based clinical classification

U Pensato, AM Demchuk, JP Dreier… - The Journal of …, 2025 - Springer
Background The term “aura” refers to a well-defined pattern of usually positive, progressive,
and reversible neurological symptoms, with spreading depolarization as the underlying …

Hyperhomocysteinemia increases cortical excitability and aggravates mechanical hyperalgesia and anxiety in a nitroglycerine-induced migraine model in rats

E Gerasimova, O Yakovleva, D Enikeev, K Bogatova… - Biomolecules, 2022 - mdpi.com
Homocysteine is a sulfur-containing endogenous amino acid leading to neurotoxic effects at
high concentrations. Population studies suggest an association between plasma …

Depth-profile of impairments in endothelin-1–induced focal cortical ischemia

D Vinokurova, A Zakharov… - Journal of Cerebral …, 2022 - journals.sagepub.com
The development of ischemic lesions has primarily been studied in horizontal cortical space.
However, how ischemic lesions develop through the cortical depth remains largely …

Hyperhomocysteinemia increases susceptibility to cortical spreading depression associated with photophobia, mechanical allodynia, and anxiety in rats

E Gerasimova, G Burkhanova, K Chernova… - Behavioural brain …, 2021 - Elsevier
Epidemiological data suggest that elevated homocysteine is associated with migraine with
aura. However, how homocysteine contributes to migraine is still unclear. Here, we tested …

Characterization of optogenetically-induced cortical spreading depression in awake mice using graphene micro-transistor arrays

E Masvidal-Codina, TM Smith, D Rathore… - Journal of Neural …, 2021 - iopscience.iop.org
Objective. The development of experimental methodology utilizing graphene micro-
transistor arrays to facilitate and advance translational research into cortical spreading …

Segregation of seizures and spreading depolarization across cortical layers

A Zakharov, K Chernova, G Burkhanova… - …, 2019 - Wiley Online Library
Objective Cortical spreading depolarization (SD) and seizures are often co‐occurring
electrophysiological phenomena. However, the cross‐layer dynamics of SD during seizures …

[HTML][HTML] Chronic Hyperhomocysteinemia Impairs CSD Propagation and Induces Cortical Damage in a Rat Model of Migraine with Aura

E Gerasimova, D Enikeev, A Yakovlev, A Zakharov… - Biomolecules, 2024 - mdpi.com
Hyperhomocysteinemia (hHCY) is a metabolic disorder characterized by elevated levels of
homocysteine in plasma. hHCY correlates with a high risk of migraine headaches …

Comparative Study of Terminal Cortical Potentials Using Iridium and Ag/AgCl Electrodes

B Mingazov, D Vinokurova, A Zakharov… - International Journal of …, 2023 - mdpi.com
Brain ischemia induces slow voltage shifts in the cerebral cortex, including waves of
spreading depolarization (SD) and negative ultraslow potentials (NUPs), which are …