Results 181 to 190 of about 4,559,918 (199)
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CD5 B Cells, a Fetal B Cell Lineage

1993
Publisher Summary This chapter presents a short background of CD5 expression on B cells and focuses on the issue of the relationship of CD5 B cells to B cell development, proposing a model that views this subset as the progeny of a fetal B cell differentiation pathway.
Richard R. Hardy, Kyoko Hayakawa
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Regulatory B Cells

2020
B cells are typically characterized by their ability to produce antibodies, function as secondary antigen-present cells, and produce various immunoregulatory cytokines. The regulatory B (Breg)-cell population is now widely accepted as an important modulatory component of the immune system that suppresses inflammation.
Yiwei Chu, Ying Fu, Luman Wang
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The anergic B cell

Blood, 2010
In this issue of Blood , Isnardi and colleagues describe a phenotypically distinct population of autoreactive B cells that have become functionally limited upon stimulation, or “anergic.”[1][1] Importantly, these cells are found at increased frequency in some rheumatoid arthritis patients and ...
Sarah F. Andrews, Patrick C. Wilson
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B-cell receptor regulation of peripheral B cells

Current Opinion in Immunology, 1998
Recent studies indicate that immature B cells compete with recirculating B cells for survival signals. The signals, delivered through the B-cell receptor for antigen, induce immature cells to differentiate into recirculating cells and maintain the survival of recirculating cells. They do not induce proliferation or differentiation to antibody-producing
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Tolls for B cells

European Journal of Immunology, 2006
AbstractPriming of naive lymphocytes is important for yielding efficient immune responses. Mechanisms controlling this process are also important for preventing immune cells from attacking self‐antigens. It is well known that signals provided by innate immune receptors, such as Toll‐like receptors (TLR), are essential to induce dendritic cell ...
Rudolf A. Manz, Simon Fillatreau
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T Cell–Dependent B Cell Activation

Annual Review of Immunology, 1993
B cells obtain help from T cells in the antibody response by acting as antigen-specific antigen presenting cells. A direct signal through binding of antigen to membrane Ig can enhance B cell antigen presentation and T-dependent B cell activation, but is not required for a productive interaction between a small resting B cell and a differentiated helper
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B-cell biology

Rheumatic Disease Clinics of North America, 2004
In recent years, our understanding of B-cell biology and the roles of B cells in normal immune responses and autoimmunity has increased dramatically. We no longer think of B cells simply as antibody factories. It is clear that these diverse and exquisitely regulated cells may contribute in a multitude of ways to immune responses.
Betty Diamond   +3 more
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Mucosal B Cells

2018
Mucosal B cells are crucial for host defense. The mucosal surfaces exceed 300 m2 in humans and represent indeed the largest part of the body in which immune responses take place daily. Mucosal B cells, located in the gut, respiratory, and urogenital mucosae as well as in skin, salivary, mammary, and lacrimal glands, are very important to protect ...
TROILO, A.   +4 more
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Reprogramming of B Cells

2010
Cellular reprogramming is an interplay between the original starting cell's plasticity and the (epi)genetic mechanisms used to drive this cell towards a new fate. Our capacity to reprogram mature cells into progenitors thus greatly depends on the inherent physiological plasticity of the initial cell.
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