Training the fetal immune system through maternal inflammation—a layered hygiene hypothesis

AC Apostol, KDC Jensen, AE Beaudin - Frontiers in immunology, 2020 - frontiersin.org
Over the last century, the alarming surge in allergy and autoimmune disease has led to the
hypothesis that decreasing exposure to microbes, which has accompanied industrialization …

[HTML][HTML] TNF-α coordinates hematopoietic stem cell survival and myeloid regeneration

M Yamashita, E Passegué - Cell stem cell, 2019 - cell.com
Inflammation coordinates tissue regeneration via damaged cell removal and stem cell
activation. Hematopoietic stem cells (HSCs) survive inflammatory stress that kills other blood …

Recent advances in developmental hematopoiesis: diving deeper with new technologies

B Weijts, L Yvernogeau, C Robin - Frontiers in Immunology, 2021 - frontiersin.org
The journey of a hematopoietic stem cell (HSC) involves the passage through successive
anatomical sites where HSCs are in direct contact with their surrounding microenvironment …

[HTML][HTML] Excessive R-loops trigger an inflammatory cascade leading to increased HSPC production

JT Weinreb, N Ghazale, K Pradhan, V Gupta, KS Potts… - Developmental cell, 2021 - cell.com
Hematopoietic stem and progenitor cells (HSPCs) arise during embryonic development and
are essential for sustaining the blood and immune systems throughout life. Tight regulation …

Global transcriptomic profiling of the bone marrow stromal microenvironment during postnatal development, aging, and inflammation

PM Helbling, E Piñeiro-Yáñez, R Gerosa, S Boettcher… - Cell reports, 2019 - cell.com
Bone marrow (BM) stromal cells provide the regulatory framework for hematopoiesis and
contribute to developmental stage-specific niches, such as those preserving hematopoietic …

Single-cell transcriptomics reveal the dynamic of haematopoietic stem cell production in the aorta

CS Baron, L Kester, A Klaus, JC Boisset… - Nature …, 2018 - nature.com
Haematopoietic stem cells (HSCs) are generated from haemogenic endothelial (HE) cells
via the formation of intra-aortic haematopoietic clusters (IAHCs) in vertebrate embryos. The …

Prenatal inflammation perturbs murine fetal hematopoietic development and causes persistent changes to postnatal immunity

DA López, AC Apostol, EJ Lebish, CH Valencia… - Cell reports, 2022 - cell.com
Adult hematopoietic stem and progenitor cells (HSPCs) respond directly to inflammation and
infection, causing both acute and persistent changes to quiescence, mobilization, and …

Interleukin-6 signaling regulates hematopoietic stem cell emergence

R Tie, H Li, S Cai, Z Liang, W Shan, B Wang… - … & molecular medicine, 2019 - nature.com
Hematopoietic stem cells (HSCs) produce all lineages of mature blood cells for the lifetime
of an organism. In vertebrates, HSCs derive from the transition of the hemogenic …

Chronic activation of endothelial MAPK disrupts hematopoiesis via NFKB dependent inflammatory stress reversible by SCGF

P Ramalingam, MG Poulos, E Lazzari… - Nature …, 2020 - nature.com
Inflammatory signals arising from the microenvironment have emerged as critical regulators
of hematopoietic stem cell (HSC) function during diverse processes including embryonic …

Deregulated protein homeostasis constrains fetal hematopoietic stem cell pool expansion in Fanconi anemia

N Kovuru, M Mochizuki-Kashio, T Menna… - Nature …, 2024 - nature.com
Demand-adjusted and cell type specific rates of protein synthesis represent an important
safeguard for fate and function of long-term hematopoietic stem cells. Here, we identify …