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What is the role of adenosine deaminase (ADA) in the immune system?
- a)It helps with digestion.
- b)It is involved in muscle contraction.
- c)It is crucial for the immune system to function.
- d)It regulates blood pressure.
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
What is the role of adenosine deaminase (ADA) in the immune system?a)I...
ADA is crucial for the immune system to function, as it plays a vital role in the development and maintenance of immune cells.
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What is the role of adenosine deaminase (ADA) in the immune system?a)I...
Role of Adenosine Deaminase (ADA) in the Immune System
Adenosine deaminase (ADA) is an important enzyme that plays a crucial role in the immune system. Its primary function is to regulate the levels of adenosine, a nucleoside that can significantly affect immune responses.
Function of ADA
- Adenosine Metabolism: ADA catalyzes the conversion of adenosine into inosine. This process helps to maintain a balance of adenosine in the extracellular environment, which is vital for proper immune function.
- Immune Cell Regulation: Elevated levels of adenosine can lead to immunosuppression. ADA helps prevent this by reducing adenosine levels, thus allowing immune cells, such as T-cells and B-cells, to function optimally.
Importance in Immune Response
- T-cell Activation: ADA is essential for the activation and proliferation of T-cells, which are crucial for the adaptive immune response. It helps ensure that T-cells can effectively respond to pathogens.
- Prevention of Autoimmunity: By regulating adenosine levels, ADA helps prevent excessive immune activation that could lead to autoimmune diseases, where the immune system mistakenly attacks the body’s own cells.
Clinical Implications
- ADA Deficiency: A deficiency in ADA can lead to severe combined immunodeficiency (SCID), a condition where the immune system is severely compromised. This highlights the enzyme's critical role in maintaining a functional immune system.
In conclusion, the enzyme adenosine deaminase (ADA) is vital for the immune system's proper functioning by regulating adenosine levels, promoting immune cell activation, and preventing autoimmunity.
Adenosine deaminase (ADA) is an important enzyme that plays a crucial role in the immune system. Its primary function is to regulate the levels of adenosine, a nucleoside that can significantly affect immune responses.
Function of ADA
- Adenosine Metabolism: ADA catalyzes the conversion of adenosine into inosine. This process helps to maintain a balance of adenosine in the extracellular environment, which is vital for proper immune function.
- Immune Cell Regulation: Elevated levels of adenosine can lead to immunosuppression. ADA helps prevent this by reducing adenosine levels, thus allowing immune cells, such as T-cells and B-cells, to function optimally.
Importance in Immune Response
- T-cell Activation: ADA is essential for the activation and proliferation of T-cells, which are crucial for the adaptive immune response. It helps ensure that T-cells can effectively respond to pathogens.
- Prevention of Autoimmunity: By regulating adenosine levels, ADA helps prevent excessive immune activation that could lead to autoimmune diseases, where the immune system mistakenly attacks the body’s own cells.
Clinical Implications
- ADA Deficiency: A deficiency in ADA can lead to severe combined immunodeficiency (SCID), a condition where the immune system is severely compromised. This highlights the enzyme's critical role in maintaining a functional immune system.
In conclusion, the enzyme adenosine deaminase (ADA) is vital for the immune system's proper functioning by regulating adenosine levels, promoting immune cell activation, and preventing autoimmunity.
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