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Instead, plasma cells are identified through flow cytometry by their additional expression of CD138, CD78, and the Interleukin-6 receptor. In humans, CD27 is a good marker for plasma cells; naïve B cells are CD27−, memory B-cells are CD27+ and plasma cells are CD27++. [5] The surface antigen CD138 (syndecan-1) is expressed at high levels. [6]
Decoy cells are virally infected epithelial cells that can be found in the urine. Decoy cells owe their name to their strong resemblance to cancer cells, and may as such confuse the diagnosis of either viral infection or urothelial malignancy. During 1950s, cytotechnologist Andrew Ricci observed cells mimicking cancer cells by they were not, in ...
They can transverse cell walls that are up to 90 nm thick. [12] The plasma membrane portion of the plasmodesma is a continuous extension of the cell membrane or plasmalemma and has a similar phospholipid bilayer structure. [13] The cytoplasmic sleeve is a fluid-filled space enclosed by the plasmalemma and is a continuous extension of the cytosol.
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.
In cell biology, a bleb (or snout) is a bulge of the plasma membrane of a cell, characterized by a spherical, "blister-like", bulky morphology. [ 2 ] [ 3 ] [ 4 ] It is characterized by the decoupling of the cytoskeleton from the plasma membrane, degrading the internal structure of the cell, allowing the flexibility required for the cell to ...
The ability of microplasma to kill bacteria cells and accelerate the replication of healthy tissue cells is known as the “plasma kill/plasma heal” process, this led scientists to further experiment with the use of microplasmas for wound care. Preliminary tests have also demonstrated successful treatments of some types of chronic wounds.
More recently, a Science article published in 2004 described structures that connected PC12 cells together, as well as other types of cell cultures. [ 7 ] [ 18 ] This study coined the term "tunneling nanotubes" and also showed that nanotube formation between cells is correlated with both membrane and organelle transfer. [ 7 ]
CCR7 expression prompts the matured pDC to migrate to a lymph node where it will be able to stimulate and interact with T cells. [7] In humans, pDCs exhibit plasma cell morphology and express CD4, HLA-DR, CD123, blood-derived dendritic cell antigen-2 , Toll-like receptor (TLR) 7 and TLR9 within endosomal compartments. Expression of TLR 7 and ...