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The current findings suggest that after the process of affinity maturation in germinal centers, plasma cells develop into one of two types of cells: short-lived plasma cells (SLPC) or long-lived plasma cells (LLPC). LLPC mainly reside in the bone marrow for a long period of time and secrete antibodies, thus providing long-term protection.
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The niche for long-lived plasma cells is a subject of ongoing research, and while some aspects are understood, many questions remain. LLPCs are not inherently long-lived, and their survival relies on accessing specific pro-survival niches in the bone marrow, secondary lymphoid organs, mucosal tissues, and sites of inflammation.
The single unit policy is helpful in platelet transfusion as there this blood component has a short shelf-life than other components. Assessment after one bag can include assessing clinical bleeding, platelet count looking at the post transfusion increment and/or functional platelet assessments.
In hematology, plasma cell dyscrasias (also termed plasma cell disorders and plasma cell proliferative diseases) are a spectrum of progressively more severe monoclonal gammopathies in which a clone or multiple clones of pre-malignant or malignant plasma cells (sometimes in association with lymphoplasmacytoid cells or B lymphocytes) over-produce and secrete into the blood stream a myeloma ...
Through this antigen recognition and other cell interactions the B cell becomes activated and then divides and differentiates to become a plasma cell. The plasma cell, a B cell end product, is a very active antibody-secreting cell that helps protect the body by attacking and binding to antigen.
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Germ plasm, a zone in the cytoplasm determining germ cells; Germplasm, a collection of genetic resources for an organism; Milk plasma or whey, the liquid remaining after milk has been curdled and strained; Nucleoplasm, a highly viscous liquid that surrounds the chromosomes and nucleoli; Plasma cell, white blood cells that secrete large volumes ...