ArticleThe Histochemical journal2000
Confocal microscopic evidence of decreased alpha-actin expression within rabbit cerebral artery smooth muscle cells after subarachnoid haemorrhage.
Article in The Histochemical journal, 2000. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 10 citations in OpenAlex.
- The blood-brain barrier and the neurovascular unit in subarachnoid hemorrhage: molecular events and potential treatments.Fluids and barriers of the CNS · 2022Review
- Fetal Cerebrovascular Maturation: Effects of Hypoxia.Seminars in pediatric neurology · 2018Review
- Gestational Hypoxia and Developmental Plasticity.Physiological reviews · 2018Review
- Imatinib attenuates cerebrovascular injury and phenotypic transformation after intracerebral hemorrhage in rats.American journal of physiology. Regulatory, integrative and comparative physiology · 2016Article
- Intracranial hemorrhage: mechanisms of secondary brain injury.Acta neurochirurgica. Supplement · 2011Review
- Induction of housekeeping gene expression after subarachnoid hemorrhage in dogs.Journal of neuroscience methods · 2008Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Our objective was to determine whether subarachnoid haemorrhage modifies cerebral artery smooth muscle cell phenotype and the contractile protein alpha-actin measured 7 days after haemorrhage. We used a rabbit subarachnoid haemorrhage model and immunofluorescence labelling of alpha-smooth muscle actin, vimentin and desmin. The paired comparison between the haemorrhage and sham rabbits was performed using confocal laser-scanning microscopy. We found in the haemorrhage group significantly less intense alpha-actin immunostaining (p = 0.036) and more intense vimentin immunostaining (p = 0.043) but no significant change in the intensity of desmin staining. Our results indicate an absolute decrease after subarachnoid haemorrhage in the amount of functional alpha-actin and in the light of the literature may suggest a certain degree of dedifferentiation of smooth muscle cells in the cerebral artery wall.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.