γ-Parvin Is Dispensable for Hematopoiesis, Leukocyte Trafficking, and T-Cell-Dependent Antibody Response
نویسندگان
چکیده
منابع مشابه
Secretion of Wnts is dispensable for hematopoiesis.
In this issue of Blood, Kabiri and coworkers report the hematopoietic deletion of the endoplasmic reticulum–localized O-acyltransferase porcupine (PORCN), which is necessary for acylation of Wnts in the endoplasmic reticulum, enabling their secretion and binding to the frizzled receptors. Unexpectedly, the absence of secreted Wnt factors does not have major effects on steady-state in vivo hemat...
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Smad5 is known to transduce intracellular signals from bone morphogenetic proteins (BMPs), which belong to the transforming growth factor-beta (TGF-beta) superfamily and are involved in the regulation of hematopoiesis. Recent findings suggest that BMP4 stimulates proliferation of human primitive hematopoietic progenitors in vitro, while early progenitors from mice deficient in Smad5 display inc...
متن کاملPen-2 Is Essential for γ-Secretase Complex Stability and Trafficking but Partially Dispensable for Endoproteolysis
The 19-transmembrane γ-secretase complex generates the amyloid β-peptide of Alzheimer's disease by intramembrane proteolysis of the β-amyloid precursor protein. This complex is comprised of presenilin, Aph1, nicastrin, and Pen-2. The exact function and mechanism of the highly conserved Pen-2 subunit remain poorly understood. Using systematic mutagenesis, we confirm and extend our understanding ...
متن کاملDecreased T Cell Response to Mitogen and Increased Anti-cytoplasmic Antibody in Drug-Free Schizophrenic Patients
Background: Apart from genetic and environmental factors, activation of autoreactive mechanisms has been proposed to play a role in the pathogenesis of schizophrenia. In re-cent years, considerable work has been carried out to understand the role and contribution of the immune system in this disease. Objective: To investigate the T cell response to phytohaemagglutinin (PHA) and determine the se...
متن کاملβ-Catenin Is Dispensable for Hematopoiesis and Lymphopoiesis
Beta-catenin-mediated Wnt signaling has been suggested to be critically involved in hematopoietic stem cell maintenance and development of T and B cells in the immune system. Unexpectedly, here we report that inducible Cre-loxP-mediated inactivation of the beta-catenin gene in bone marrow progenitors does not impair their ability to self-renew and reconstitute all hematopoietic lineages (myeloi...
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ژورنال
عنوان ژورنال: Molecular and Cellular Biology
سال: 2006
ISSN: 0270-7306,1098-5549
DOI: 10.1128/mcb.26.5.1817-1825.2006