Skull bone marrow channels as immune gateways to the central nervous system

JA Mazzitelli, FE Pulous, LCD Smyth, Z Kaya… - Nature …, 2023 - nature.com
Decades of research have characterized diverse immune cells surveilling the CNS. More
recently, the discovery of osseous channels (so-called 'skull channels') connecting the …

Cerebrospinal fluid regulates skull bone marrow niches via direct access through dural channels

JA Mazzitelli, LCD Smyth, KA Cross, T Dykstra… - Nature …, 2022 - nature.com
It remains unclear how immune cells from skull bone marrow niches are recruited to the
meninges. Here we report that cerebrospinal fluid (CSF) accesses skull bone marrow via …

Direct vascular channels connect skull bone marrow and the brain surface enabling myeloid cell migration

F Herisson, V Frodermann, G Courties, D Rohde… - Nature …, 2018 - nature.com
Innate immune cells recruited to inflammatory sites have short life spans and originate from
the marrow, which is distributed throughout the long and flat bones. While bone marrow …

Skull and vertebral bone marrow are myeloid cell reservoirs for the meninges and CNS parenchyma

A Cugurra, T Mamuladze, J Rustenhoven, T Dykstra… - Science, 2021 - science.org
INTRODUCTION Myeloid cells are highly heterogeneous, with distinct ontogenies and
immune functions. The diverse role of myeloid populations, including monocytes …

[HTML][HTML] Distinct molecular profiles of skull bone marrow in health and neurological disorders

ZI Kolabas, LB Kuemmerle, R Perneczky, B Förstera… - Cell, 2023 - cell.com
The bone marrow in the skull is important for shaping immune responses in the brain and
meninges, but its molecular makeup among bones and relevance in human diseases …

The movers and shapers in immune privilege of the CNS

B Engelhardt, P Vajkoczy, RO Weller - Nature immunology, 2017 - nature.com
Discoveries leading to an improved understanding of immune surveillance of the central
nervous system (CNS) have repeatedly provoked dismissal of the existence of immune …

Revisiting the mechanisms of CNS immune privilege

A Louveau, TH Harris, J Kipnis - Trends in immunology, 2015 - cell.com
Whereas the study of the interactions between the immune system and the central nervous
system (CNS) has often focused on pathological conditions, the importance of neuroimmune …

Cerebrospinal fluid can exit into the skull bone marrow and instruct cranial hematopoiesis in mice with bacterial meningitis

FE Pulous, JC Cruz-Hernández, C Yang, Ζ Kaya… - Nature …, 2022 - nature.com
Interactions between the immune and central nervous systems strongly influence brain
health. Although the blood–brain barrier restricts this crosstalk, we now know that meningeal …

Single-cell profiling of CNS border compartment leukocytes reveals that B cells and their progenitors reside in non-diseased meninges

D Schafflick, J Wolbert, M Heming, C Thomas… - Nature …, 2021 - nature.com
The CNS is ensheathed by the meninges and cerebrospinal fluid, and recent findings
suggest that these CNS-associated border tissues have complex immunological functions …

Neuroinflammation creates an immune regulatory niche at the meningeal lymphatic vasculature near the cribriform plate

M Hsu, C Laaker, A Madrid, M Herbath, YH Choi… - Nature …, 2022 - nature.com
Meningeal lymphatics near the cribriform plate undergo lymphangiogenesis during
neuroinflammation to drain excess fluid. Here, we hypothesized that lymphangiogenic …