Cited by 296Barrier Structure and Function StudiesTraumatic Brain Injury and Neurovascular DisturbancesAcute Ischemic Stroke Management

Blood−brain barrier breakdown and neovascularization processes after stroke and traumatic brain injury

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Prakash, Roshini, Carmichael, S. Thomas·2015·Current Opinion in Neurology

Abstract

PURPOSE OF REVIEW: Angiogenesis or vascular reorganization plays a role in recovery after stroke and traumatic brain injury (TBI). In this review, we have focused on two major events that occur during stroke and TBI from a vascular perspective - what is the process and time course of blood-brain barrier (BBB) breakdown? and how does the surrounding vasculature recover and facilitate repair? RECENT FINDINGS: Despite differences in the primary injury, the BBB changes overlap between stroke and TBI. Disruption of BBB involves a series of events: formation of caveolae, trans and paracellular disruption, tight junction breakdown and vascular disruption. Confounding factors that need careful assessment and standardization are the severity, duration and extent of the stroke and TBI that influences BBB disruption. Vascular repair proceeds through long-term neovascularization processes: angiogenesis, arteriogenesis and vasculogenesis. Enhancing each of these processes may impart beneficial effects in endogenous recovery. SUMMARY: Our understanding of BBB breakdown acutely after the cerebrovascular injury has come a long way; however, we lack a clear understanding of the course of BBB disruption and BBB recovery and the evolution of individual cellular events associated with BBB change. Neovascularization responses have been widely studied in stroke for their role in functional recovery but the role of vascular reorganization after TBI in recovery is much less defined.

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Crossref · 10.1097/wco.0000000000000248

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  • Blood-brain barrier dysfunction is a prominent pathological feature of both ischemic and hemorrhagic stroke and is typically associated with poor outcome.

    “BBB dysfunction is a prominent pathological feature of both ischemic and hemorrhagic stroke and is typically associated with poor outcome (307, 312, 482).”

    From Blood-Brain Barrier: From Physiology to Disease and Back (2019) · cites this paper as [482]

    The section “What is the blood–brain barrier?” (page unavailable) calls BBB dysfunction a common, prominent pathological feature of stroke, and “Blood–brain barrier breakdown in stroke” discusses it after ischemia. The copy does not establish this specifically for hemorrhagic stroke or say that BBB dysfunction is typically associated with poor outcome; searches for “hemorrhagic” and “poor outcome” did not find those claims. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • In preclinical models of ischemic stroke, opening of the blood-brain barrier has been shown to be a biphasic phenomenon.

    “In preclinical models of ischemic stroke, opening of BBB has been shown to be a biphasic phenomenon (482).”

    From Blood-Brain Barrier: From Physiology to Disease and Back (2019) · cites this paper as [482]

    The “Blood–brain barrier breakdown in stroke” section says animal-model research suggests an early and a delayed phase of BBB opening. It also says leakage can be monophasic or biphasic depending on the model and measurement method, so the claim overstates biphasic opening as a general finding across preclinical ischemic-stroke models. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • An increase of blood-brain barrier permeability could be determined by severe stress and/or traumatic brain injury.

    “For instance, it has been suggested that an increase of the blood-brain barrier (BBB) permeability could be determined by severe stress and/or traumatic brain injury [35,36].”

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Authors
Prakash, R., & Carmichael, S. T.
Affiliations
University of California, Los Angeles (US)
Corresponding author
Prakash, Roshini
Venue
Current Opinion in Neurology
Published
2015-12
Volume
28
Issue
6
Pages
556-564
ISSN
1350-7540 (ISSN-L)
OpenAlex
W2341136898
Cited by
296
References
134
Citations by year
2026: 16 · 2025: 27 · 2024: 32 · 2023: 29 · 2022: 33 · 2021: 38 · 2020: 36 · 2019: 31 · 2018: 24 · 2017: 19 · 2016: 11
FWCI
1.44
Type
journal article
Language
en
Open access
Locations
  • Current Opinion in Neurology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
National Institute of Neurological Disorders and Stroke (R01NS081055, R01NS053957)
Topics
  • Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
  • Health Sciences › Medicine › Neurology › Traumatic Brain Injury and Neurovascular Disturbances
  • Health Sciences › Medicine › Epidemiology › Acute Ischemic Stroke Management
Keywords
blood-brain barrier disruption, neovascularization, stroke, traumatic brain injury, angiogenesis, arteriogenesis, vasculogenesis, vascular repair, caveolae, tight junction disruption, paracellular permeability, functional recovery
MeSH terms
Blood-Brain Barrier, Brain Injuries, Humans, Neovascularization, Physiologic, Stroke

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