Informace o publikaci

Breaking boundaries: role of the brain barriers in metastatic process

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NASIM Izadi MARYAM Shahidian Akbar SOLÁR Peter KLARA Mrazova HAŠANOVÁ Klaudia MARTIN Bartosik ZAMANI Alemeh TOMAS Kazda SHAHIDIAN AKBAR Maryam ROMAN Hrstka MRÁZOVÁ Klára JOUKAL Marek BARTOŠÍK Martin KAZDA Tomáš HRSTKA Roman JOUKAL Marek

Rok publikování 2025
Druh Článek v odborném periodiku
Časopis / Zdroj FLUIDS AND BARRIERS OF THE CNS
Fakulta / Pracoviště MU

Lékařská fakulta

Citace
www https://fluidsbarrierscns.biomedcentral.com/articles/10.1186/s12987-025-00618-z
Doi http://dx.doi.org/10.1186/s12987-025-00618-z
Klíčová slova Brain Metastasis; Blood-brain barrier; Blood-spinal cord barrier; Blood-cerebrospinal fluid barrier; Cancer
Popis Brain metastases (BMs) are the most common intracranial tumors in adults and occur 3–10 times more frequently than primary brain tumors. Despite intensive multimodal therapies, including resection, radiotherapy, and chemotherapy, BMs are associated with poor prognosis and remain challenging to treat. BMs predominantly originate from primary lung (20–56%), breast (5–20%), and melanoma (7–16%) tumors, although they can arise from other cancer types less frequently. The metastatic cascade is a multistep process involving local invasion, intravasation into the bloodstream or lymphatic system, extravasation into normal tissue, and colonization of the distal site. After reaching the brain, circulating tumor cells (CTCs) breach the blood–brain barrier (BBB). The selective permeability of the BBB poses a significant challenge for therapeutic compounds, limiting the treatment efficacy of BMs. Understanding the mechanisms of tumor cell interactions with the BBB is crucial for the development of effective treatments. This review provides an in-depth analysis of the brain barriers, including the BBB, blood-spinal cord barrier, blood-meningeal barrier, blood-arachnoid barrier, and blood-cerebrospinal fluid barrier. It explores the molecular and cellular components of these barriers and their roles in brain metastasis, highlighting the importance of this knowledge for identifying druggable targets to prevent or limit BM formation.
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