نتایج جستجو برای: cd38
تعداد نتایج: 2989 فیلتر نتایج به سال:
CD38 expression on CD8(+) T cells was longitudinally assessed in 31 human immunodeficiency virus (HIV)-infected persons with undetectable plasma viremia who had undergone highly active antiretroviral therapy (HAART) for 12 months and were followed for a mean of 30 months thereafter. Overall, CD4(+)T cell counts increased during follow-up, whereas CD38 expression remained stable. However, a subs...
CD38 is a type II glycoprotein that is responsible for the synthesis and hydrolysis of cyclic ADP-ribose (cADPR) and nicotinic acid adenine dinucleotide phosphate (NAADP), Ca(2+)-mobilizing second messengers. The activation of hepatic stellate cells (HSCs) is a critical event in hepatic fibrosis because these cells are the main producers of extracellular matrix proteins in the liver. Recent evi...
Purpose: We study CD38 levels in immunosuppressive CD4+CD25highFoxp3+ regulatory T cells (Treg) and further define immunomodulating effects of a therapeutic CD38 mAb isatuximab/SAR650984 in multiple myeloma.Experimental Design: We evaluated percentages of CD38-expressing subsets in Tregs from normal donors and multiple myeloma patients. Peripheral blood mononuclear cells (PBMC) were then treate...
Cellular immunophenotypic studies were performed on a cohort of randomly selected IgM(+) B-chronic lymphocytic leukemia (B-CLL) cases for which Ig V(H) and V(L) gene sequences were available. The cases were categorized based on V gene mutation status and CD38 expression and analyzed for treatment history and survival. The B-CLL cases could be divided into 2 groups. Those patients with unmutated...
Deficits in social behavior in mice lacking the CD38 gene have been attributed to impaired secretion of oxytocin. In humans, similar deficits in social behavior are associated with autistic spectrum disorder (ASD), for which genetic variants of CD38 have been pinpointed as provisional risk factors. We sought to explore, in an in vitro model, the feasibility of the theory that restoring the leve...
We have evaluated the role of the ADP-ribosyl cyclase, CD38, in bone remodeling, a process by which the skeleton is being renewed constantly through the coordinated activity of osteoclasts and osteoblasts. CD38 catalyzes the cyclization of its substrate, NAD+, to the Ca2+-releasing second messenger, cyclic ADP-ribose (cADPr). We have shown previously that CD38 is expressed both in osteoblasts a...
Tirumurugaan KG, Jude JA, Kang BN, Panettieri RA, Walseth TF, Kannan MS. TNFinduced CD38 expression in human airway smooth muscle cells: role of MAP kinases and transcription factors NFB and AP-1. Am J Physiol Lung Cell Mol Physiol 292: L1385–L1395, 2007. First published February 23, 2007; doi:10.1152/ajplung.00472.2006.—In human airway smooth muscle (HASM) cells, the expression of CD38, which ...
The neurobiological basis of autism spectrum disorder (ASD) remains poorly understood. Given the role of CD38 in social recognition through oxytocin (OT) release, we hypothesized that CD38 may play a role in the etiology of ASD. Here, we first examined the immunohistochemical expression of CD38 in the hypothalamus of post-mortem brains of non-ASD subjects and found that CD38 was colocalized wit...
Targeting CD38, a common blood cell membrane receptor highly expressed on many Band T-cell cancers, has achieved significant clinical activity with an acceptable safety profile in multiple myeloma (MM). Specifically, daratumumab (dara) was the first naked CD38 monoclonal antibody (mAb) approved for the treatment of relapsed and refractory MM (RRMM) in 2015. Importantly, it induces high response...
In CD34(+) acute myeloid leukemia (AML), the malignant stem cells reside in the CD38(-) compartment. We have shown before that the frequency of such CD34(+)CD38(-) cells at diagnosis correlates with minimal residual disease (MRD) frequency after chemotherapy and with survival. Specific targeting of CD34(+)CD38(-) cells might thus offer therapeutic options. Previously, we found that C-type lecti...
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