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CD8 T cells kill infected cells by releasing proteins called perforins and granzymes. Perforins create pores in the infected cell's membrane, allowing granzymes to enter and trigger cell death. This process helps eliminate the infected cell and stop the spread of the infection.

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What activates helper T cells in the immune response?

Helper T cells in the immune response are activated by antigens presented by antigen-presenting cells, such as dendritic cells. This activation process helps coordinate and regulate the immune response against pathogens.


How are T helper cells activated in the immune response process?

T helper cells are activated in the immune response process when they encounter antigens presented by antigen-presenting cells, such as dendritic cells. This interaction triggers the T helper cells to proliferate and differentiate into specific subsets that help coordinate and regulate the immune response.


How are helper T cells activated in the immune response process?

Helper T cells are activated in the immune response process when they encounter antigens presented by antigen-presenting cells, such as dendritic cells. This interaction triggers the helper T cells to proliferate and differentiate into specific subsets that help coordinate and regulate the immune response.


What are the specific defenses in the immune system?

Specific defenses in the immune system include antibodies produced by B cells, which recognize and neutralize specific pathogens. T cells can also destroy infected cells and regulate the immune response. In addition, memory cells are formed after an infection, allowing for a quicker and stronger response upon reinfection.


How are natural killer (NK) cells activated in the immune response?

Natural killer (NK) cells are activated in the immune response through a process called "priming." This involves the recognition of infected or abnormal cells by NK cell receptors, which then trigger the release of cytotoxic molecules to destroy the target cells. Additionally, cytokines released by other immune cells can also stimulate NK cell activity.

Related Questions

What activates helper T cells in the immune response?

Helper T cells in the immune response are activated by antigens presented by antigen-presenting cells, such as dendritic cells. This activation process helps coordinate and regulate the immune response against pathogens.


How are T helper cells activated in the immune response process?

T helper cells are activated in the immune response process when they encounter antigens presented by antigen-presenting cells, such as dendritic cells. This interaction triggers the T helper cells to proliferate and differentiate into specific subsets that help coordinate and regulate the immune response.


How are helper T cells activated in the immune response process?

Helper T cells are activated in the immune response process when they encounter antigens presented by antigen-presenting cells, such as dendritic cells. This interaction triggers the helper T cells to proliferate and differentiate into specific subsets that help coordinate and regulate the immune response.


Do t cells respond to antigens by secreting complements?

No, T cells respond to antigens by directly destroying infected cells or by producing cytokines to help coordinate the immune response. Complements are a group of proteins that are part of the innate immune response and are mainly secreted by macrophages and other immune cells to help enhance the immune response.


An immune response in which t cells destroy antigens?

This process is called cell-mediated immunity. T cells, specifically cytotoxic T cells, recognize and destroy cells that are infected with a pathogen or abnormal cells, such as cancer cells. This immune response is crucial for clearing infections and providing immunity against future exposures to the same antigen.


What are the specific defenses in the immune system?

Specific defenses in the immune system include antibodies produced by B cells, which recognize and neutralize specific pathogens. T cells can also destroy infected cells and regulate the immune response. In addition, memory cells are formed after an infection, allowing for a quicker and stronger response upon reinfection.


How are natural killer (NK) cells activated in the immune response?

Natural killer (NK) cells are activated in the immune response through a process called "priming." This involves the recognition of infected or abnormal cells by NK cell receptors, which then trigger the release of cytotoxic molecules to destroy the target cells. Additionally, cytokines released by other immune cells can also stimulate NK cell activity.


Where do T cells originate and how do they contribute to the immune response?

T cells originate in the bone marrow and mature in the thymus gland. They contribute to the immune response by recognizing and attacking infected or abnormal cells, producing cytokines to regulate immune responses, and helping B cells produce antibodies.


A decrease in which population of lymphocytes would impair all aspects of an immune response?

A decrease in the population of T lymphocytes (T cells) would impair all aspects of an immune response. T cells play a critical role in coordinating and regulating the immune response, including activating other immune cells such as B cells and macrophages, and directly killing infected cells.


What is the function of T-cells?

T-cells are a type of white blood cell that plays a central role in the immune response by recognizing and destroying infected cells or abnormal cells, such as cancer cells. They also help regulate the immune response by signaling other immune cells to activate or deactivate as needed.


What is the role of cyte cells in the immune system's response to infection?

Cytotoxic T cells, also known as cyte cells, play a crucial role in the immune system's response to infection. These specialized cells are responsible for identifying and destroying infected cells in the body. By recognizing specific antigens on infected cells, cyte cells can target and eliminate them, helping to prevent the spread of infection and protect the body from harm.


Which part of the immune response is specific to a particular pathogen?

The part of the immune response that is specific to a particular pathogen is the adaptive immune response. This response involves the activation of lymphocytes, particularly T cells and B cells, which recognize specific antigens presented by the pathogen. B cells produce antibodies that target these antigens, while T cells can directly kill infected cells or help orchestrate the immune response. This specificity allows for a tailored and effective defense against distinct pathogens.