Effect of smoking on Brain-Derived Neurotrophic Factor (BDNF) blood levels: A systematic review and meta-analysis

Shafiee, Arman; Beiky, Maryam; Mohammadi, Ida; Rajai, Shahryar; Jafarabady, Kyana; Moradi, Shayan; Beikmohamadi, Mahya; Teixeira, Antonio Lucio

doi:10.1016/j.jad.2024.01.082

Cited by 1 publication

(1 citation statement)

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“…It has been shown that BDNF promotes neuroplasticity and facilitates synaptic transmission, dendritic modification, receptor trade, and long-term potentiation [30]. Moreover, BDNF supports neurogenesis, synaptic growth, and recovery [32]. In longitudinal observational studies of older persons, higher baseline BDNF levels were associated with reduced probability of dementia development [30,33].…”

Section: Introductionmentioning

confidence: 99%

Electrical Activity Changes and Neurovascular Unit Markers in the Brains of Patients after Cardiac Surgery: Effects of Multi-Task Cognitive Training

Tarasova,

Kukhareva,

Kupriyanova

et al. 2024

Biomedicines

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Background: There is growing interest in finding methods to enhance cognitive function and comprehend the neurophysiological mechanisms that underlie these improvements. It is assumed that non-pharmacological interventions have better results in cognitive recovery. The aim of this study was to assess the effect of multi-task cognitive training (MTT) on electroencephalographic (EEG) changes and markers of the neurovascular unit in patients undergoing coronary artery bypass grafting (CABG). Methods: This prospective cohort study involved 62 CABG patients aged 45–75 years, 30 of whom underwent a 5–7-day MTT course. The groups of patients were comparable with respect to baseline clinical and anamnestic characteristics. An EEG study was performed before surgery and 11–12 days after CABG. Markers of the neurovascular unit (S100β, NSE, and BDNF) were examined at three time points: before surgery, within the first 24 h after surgery, and 11–12 days after CABG. Results: Patients without training demonstrated higher relative theta power changes compared to the MTT patients. The course of MTT was associated with low plasma S100β concentration but high BDNF levels at the end of the training course. Conclusions: The theta activity changes and the markers of the neurovascular unit (S100β, BDNF) indicated that the severity of brain damage in cardiac surgery patients after a short course of MTT was slightly reduced. Electrical brain activity indicators and vascular markers can be informative for monitoring the process of cognitive rehabilitation in cardiac surgery patients.

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