Understanding the development, pathogenesis, and injury response of meningeal lymphatic networks through the use of animal models

Aditya Jain, Phillip S. Ang, Matthew J. Matrongolo, Max A. Tischfield

Research output: Contribution to journalReview articlepeer-review

Abstract

Meningeal lymphatic vessels (MLVs) help maintain central nervous system (CNS) homeostasis via their ability to facilitate macromolecule waste clearance and neuroimmune trafficking. Although these vessels were overlooked for centuries, they have now been characterized in humans, non-human primates, and rodents. Recent studies in mice have explored the stereotyped growth and expansion of MLVs in dura mater, the various transcriptional, signaling, and environmental factors regulating their development and long-term maintenance, and the pathological changes these vessels undergo in injury, disease, or with aging. Key insights gained from these studies have also been leveraged to develop therapeutic approaches that help augment or restore MLV functions to improve brain health and cognition. Here, we review fundamental processes that control the development of peripheral lymphatic networks and how these might apply to the growth and expansion of MLVs in their unique meningeal environment. We also emphasize key findings in injury and disease models that may reveal additional insights into the plasticity of these vessels throughout the lifespan. Finally, we highlight unanswered questions and future areas of study that can further reveal the exciting therapeutic potential of meningeal lymphatics.

Original languageEnglish (US)
Article number332
JournalCellular and Molecular Life Sciences
Volume80
Issue number11
DOIs
StatePublished - Nov 2023
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Molecular Medicine
  • Molecular Biology
  • Pharmacology
  • Cellular and Molecular Neuroscience
  • Cell Biology

Keywords

  • CSF
  • Intracranial pressure
  • Lymphangiogenesis
  • Skull
  • Stroke
  • TBI
  • Vegf-c

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