Brain Vascular Microenvironments in Cancer Metastasis

Primary tumours, particularly from major solid organs, are able to disseminate into the blood and lymphatic system and spread to distant sites. These secondary metastases to other major organs are the most lethal aspect of cancer, accounting for the majority of cancer deaths. The brain is a frequent...

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Main Authors: Lucas E. Tobar, Rae H. Farnsworth, Steven A. Stacker
Format: Article
Language:English
Published: MDPI AG 2022-03-01
Series:Biomolecules
Subjects:
Online Access:https://www.mdpi.com/2218-273X/12/3/401
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author Lucas E. Tobar
Rae H. Farnsworth
Steven A. Stacker
author_facet Lucas E. Tobar
Rae H. Farnsworth
Steven A. Stacker
author_sort Lucas E. Tobar
collection DOAJ
description Primary tumours, particularly from major solid organs, are able to disseminate into the blood and lymphatic system and spread to distant sites. These secondary metastases to other major organs are the most lethal aspect of cancer, accounting for the majority of cancer deaths. The brain is a frequent site of metastasis, and brain metastases are often fatal due to the critical role of the nervous system and the limited options for treatment, including surgery. This creates a need to further understand the complex cell and molecular biology associated with the establishment of brain metastasis, including the changes to the environment of the brain to enable the arrival and growth of tumour cells. Local changes in the vascular network, immune system and stromal components all have the potential to recruit and foster metastatic tumour cells. This review summarises our current understanding of brain vascular microenvironments, fluid circulation and drainage in the context of brain metastases, as well as commenting on current cutting-edge experimental approaches used to investigate changes in vascular environments and alterations in specialised subsets of blood and lymphatic vessel cells during cancer spread to the brain.
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spelling doaj.art-a9114234c5dc4893972ceae1b7d664f12023-11-24T00:35:25ZengMDPI AGBiomolecules2218-273X2022-03-0112340110.3390/biom12030401Brain Vascular Microenvironments in Cancer MetastasisLucas E. Tobar0Rae H. Farnsworth1Steven A. Stacker2Peter MacCallum Cancer Centre, Melbourne, VIC 3000, AustraliaPeter MacCallum Cancer Centre, Melbourne, VIC 3000, AustraliaPeter MacCallum Cancer Centre, Melbourne, VIC 3000, AustraliaPrimary tumours, particularly from major solid organs, are able to disseminate into the blood and lymphatic system and spread to distant sites. These secondary metastases to other major organs are the most lethal aspect of cancer, accounting for the majority of cancer deaths. The brain is a frequent site of metastasis, and brain metastases are often fatal due to the critical role of the nervous system and the limited options for treatment, including surgery. This creates a need to further understand the complex cell and molecular biology associated with the establishment of brain metastasis, including the changes to the environment of the brain to enable the arrival and growth of tumour cells. Local changes in the vascular network, immune system and stromal components all have the potential to recruit and foster metastatic tumour cells. This review summarises our current understanding of brain vascular microenvironments, fluid circulation and drainage in the context of brain metastases, as well as commenting on current cutting-edge experimental approaches used to investigate changes in vascular environments and alterations in specialised subsets of blood and lymphatic vessel cells during cancer spread to the brain.https://www.mdpi.com/2218-273X/12/3/401metastasisbrainleptomeningesblood vesselslymphatic vesselsstroma
spellingShingle Lucas E. Tobar
Rae H. Farnsworth
Steven A. Stacker
Brain Vascular Microenvironments in Cancer Metastasis
Biomolecules
metastasis
brain
leptomeninges
blood vessels
lymphatic vessels
stroma
title Brain Vascular Microenvironments in Cancer Metastasis
title_full Brain Vascular Microenvironments in Cancer Metastasis
title_fullStr Brain Vascular Microenvironments in Cancer Metastasis
title_full_unstemmed Brain Vascular Microenvironments in Cancer Metastasis
title_short Brain Vascular Microenvironments in Cancer Metastasis
title_sort brain vascular microenvironments in cancer metastasis
topic metastasis
brain
leptomeninges
blood vessels
lymphatic vessels
stroma
url https://www.mdpi.com/2218-273X/12/3/401
work_keys_str_mv AT lucasetobar brainvascularmicroenvironmentsincancermetastasis
AT raehfarnsworth brainvascularmicroenvironmentsincancermetastasis
AT stevenastacker brainvascularmicroenvironmentsincancermetastasis