IL-7 receptor signaling drives human B-cell progenitor differentiation and expansion

FMP Kaiser, I Janowska, R Menafra, M de Gier… - Blood, 2023 - ashpublications.org
Although absence of interleukin-7 (IL-7) signaling completely abrogates T and B
lymphopoiesis in mice, patients with severe combined immunodeficiency caused by …

WHIM Syndrome-linked CXCR4 mutations drive osteoporosis

A Anginot, J Nguyen, Z Abou Nader, V Rondeau… - Nature …, 2023 - nature.com
WHIM Syndrome is a rare immunodeficiency caused by gain-of-function CXCR4 mutations.
Here we report a decrease in bone mineral density in 25% of WHIM patients and bone …

Mature B cells and mesenchymal stem cells control emergency myelopoiesis

VY Lim, X Feng, R Miao, S Zehentmeier… - Life Science …, 2023 - life-science-alliance.org
Systemic inflammation halts lymphopoiesis and prioritizes myeloid cell production. How
blood cell production switches from homeostasis to emergency myelopoiesis is incompletely …

CXCR4 signaling determines the fate of hematopoietic multipotent progenitors by stimulating mTOR activity and mitochondrial metabolism

V Rondeau, M Kalogeraki, L Roland, ZA Nader… - Science …, 2024 - science.org
Both cell-intrinsic and niche-derived, cell-extrinsic cues drive the specification of
hematopoietic multipotent progenitors (MPPs) in the bone marrow, which comprise …

Cell circuits between leukemic cells and mesenchymal stem cells block lymphopoiesis by activating lymphotoxin beta receptor signaling

X Feng, R Sun, M Lee, X Chen, S Guo, H Geng… - Elife, 2023 - elifesciences.org
Acute lymphoblastic and myeloblastic leukemias (ALL and AML) have been known to modify
the bone marrow microenvironment and disrupt non-malignant hematopoiesis. However, the …

[HTML][HTML] Distinct fibroblast functions associated with fibrotic and immune-mediated inflammatory diseases and their implications for therapeutic development

AMS Barron, T Fabre, S De - F1000Research, 2024 - ncbi.nlm.nih.gov
Fibroblasts are ubiquitous cells that can adopt many functional states. As tissue-resident
sentinels, they respond to acute damage signals and shape the earliest events in fibrotic …

Severe CD8+ T lymphopenia in WHIM syndrome caused by selective sequestration in primary immune organs

S Majumdar, SM Pontejo, H Jaiswal, JL Gao… - The Journal of …, 2023 - journals.aai.org
Warts, hypogammaglobulinemia, infections, and myelokathexis (WHIM) syndrome is an ultra-
rare combined primary immunodeficiency disease caused by heterozygous gain-of-function …

Periodontal disease in patients with WHIM syndrome

L Brenchley, DH McDermott, PJ Gardner… - Journal of Clinical …, 2024 - Wiley Online Library
Aim WHIM (warts, hypogammaglobulinaemia, infections and myelokathexis) syndrome is a
rare combined primary immunodeficiency disease caused by gain‐of‐function (GOF) …

[HTML][HTML] Angelica sinensis polysaccharides ameliorated 5-Fluorouracil-induced damage of early B cell progenitors by alleviating oxidative stress of IL-7 producing …

H Xiao, Y Wang, Z Wang, B Wang, L Hu, J Hou… - Biomedicine & …, 2023 - Elsevier
B-lymphocytopenia among myelosuppression is the most intractable side effect of
chemotherapy. Here, we investigated ways to alleviate 5-fluorouracil-caused stress …

CXCR4 antagonism ameliorates leukocyte abnormalities in a preclinical model of WHIM syndrome

L Roland, CH Nguyen, K Zmajkovicova… - Frontiers in …, 2024 - frontiersin.org
Background WHIM (Warts, Hypogammaglobulinemia, Infections, and Myelokathexis)
syndrome is an ultra-rare, combined primary immunodeficiency and chronic neutropenic …