ArticleNeuromolecular medicine2024
Clinical Implication of Time of Ischaemic Stroke Among Post-Stroke Survivors from Eastern India: A Circadian Perspective.
Article in Neuromolecular medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Relationship between stroke onset timing and clinical outcomes in ischemic and hemorrhagic strokes: a systematic review.International journal of cardiology. Cardiovascular risk and prevention · 2026Review
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Authors and funding
9 authors.
Funding
Abstract
The circadian variation in stroke occurrence is a well-documented phenomenon. However, the circadian effect on stroke outcome, particularly on post-stroke cognition, has not yet been fully elucidated. We aim to evaluate the influence of diurnal variation of stroke onset upon post-stroke cognition and development of post-stroke depression. Based on 4-hourly time period of stroke occurrence, 249 recruited cohorts were categorized into 6 groups. Several clinical and cognitive parameters were compared among the groups. Then, the mRNA expression of core clock genes in Peripheral Blood Mononuclear Cells were quantified and correlated with post-stroke outcomes among 24 acute phase cases with day-time or night-time stroke occurrence. Furthermore, the genetic susceptibility towards a higher number of cases in the morning was examined by genotyping CLOCK (rs1801260T/C, rs4580704G/C) and CRY2 (rs2292912C/G) genes variants in cases and 292 controls. In our study, the peak for highest incidence although observed during the early morning from 4 to 8 am, the nocturnal-onset stroke cases showed more severity (12.2 ± 5.67) at the time of admission irrespective of arterial territory involved. The night onset cases were also found to be more susceptible to develop language impairment and post-stroke depression in due course of time. Upon transcript analysis, circadian genes (BMAL1 and CRY1) were found to be downregulated in night-time cases than day-time ones during the acute phase of onset. In addition, those mRNA levels also showed a correlation with raw scores for language and depression. However, the difference in incidence frequency along a day did not reveal any genetic correlation. Therefore, we suggest night-time stroke to be positively associated with higher immediate severity and poor cognitive outcome than day-time injury and propose downregulation of circadian genes during the acute phase could be the underlying molecular mechanism for this.
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Registered trials
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