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The first contact of a T or B cell with its specific antigen is called priming. It causes differentiation into effector T or B cells.

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11y ago

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What stores sell Singular cell phones?

Singular cell phones are not a common or widely recognized brand. It's possible that you may have meant to refer to Singular Wireless, which was a former telecommunications company that is now part of AT&T. You can find AT&T phones in AT&T stores or authorized retailers.


What signals does a t cell require in order to divide?

T cells require signaling through the T cell receptor (TCR) upon recognition of a specific antigen presented by antigen-presenting cells, as well as co-stimulatory signals from molecules like CD28 on the T cell and CD80/86 on the antigen-presenting cell. These signals are necessary for T cell activation and proliferation.


What do T-cells check each cell for?

Most excellent question! The T cell checks cells to see if the antigens that are presented on MHC class I molecules are self or foreign. If it is self, then it is left alone. Otherwise it will decide that it needs to destroy.


Do helper t cells have a cell membrane?

Yes, helper T cells, like all other cells, have a cell membrane. The cell membrane is a semipermeable barrier that surrounds the cell and helps regulate the passage of molecules in and out of the cell.


What is a t-cell?

T cells or T lymphocytes belong to a group of White blood cells known as Lymphocytes, and play a central role in cell-meaditated immunity . They can be distinguished from other lymphocyte types, suach as B cells and natural killer cells (NK cells) by the presence of a special receptor on their cell surface called T cell receptors (TCR). The abbreviation T, in T cell, stands for thymus, since this is the principal organ responsible for the T cell's maturation. Several different subsets of T cells have been discovered, each with a distinct function.

Related Questions

What is meant CD8 or cytotoxic T cells?

A cytotoxic T-cell is a form of lymphocyte that is the "killer" T-cell. This cell engulfs damaged or viral/bacterial cells to stop them from infecting the blood.


What is worse b cell lymphoma or t cell lymphoma?

t cell lymphoma


How many customers does AT and T cellular have?

cytotoxic t cell and helper t cell


What is T Cell rosetting?

when erythrocytes bind to CD3 receptors present on the surface of T-cell it will give rose like appearance to T-cell this process is called as T-cell rosetting


What occurs if a t cell binds to an antigen and the t cell does not receive a costimulatory signal?

The T cell enters a state of anergy


What T-cell is disabled in AIDS?

CD4+ or T-helper cell.


What is the specific blood cell to which HIV is attached is it CXCR4-T or gp120-T or CCR5-T or CD4-T or CD8-T?

CD4+ or T=helper cell.


What is priming input?

A priming input, also known as priming read, is the statement that reads the first input data record prior to starting a structured loop.


What does looked to their priming mean?

The phrase "looked to their priming" in The Highwayman means that the soldiers were preparing to fire their weapons. Priming was arming the weapon to fire it against an enemy.?æ


Is T cell activation antigen specific?

Yes. The first signal that a T cell receives from an antigen presenting cell (dendritic cell) is MHC presenting an antigen (foreign peptide). This gives the T cell specificity to this antigen.


Are rotary pumps self-priming and if not how do I prime it?

Some rotary pumps are self-priming when dry. These pumps have a priming chamber that automatically does the self-priming when the pump is not in use. To prime a pump yourself, the priming plug should be removed. Water should then be poured into the pump. The entire priming process should take no longer than five minutes. If it takes longer than that, it could be indicative of a mechanical problem.


Why does an inactivated vaccine induce only a humoral response?

T-cell memory is very important for long-lasting immunity, because T-cells control both humoral and cell mediated immunity.When the immune system recognizes a foreign antigen for the first time, an immune response is produced. When T cells are involved, immunological T-cell memory is produced. When the body encounters same antigen subsequently, a stronger immune response is produced. This is because of existing immunological memory against that antigen. Further antigenic stimulus increases the immune response. First antigenic stimulus is "priming"whereas subsequent stimuli are "booster". This is the principle of active immunization.