Which of the following factors is directly associated with the decreased number of naive T-cells? A) Shrinking of the thymus B) Increased IL-7 cells C) Decreased apoptosis D) Incre... Which of the following factors is directly associated with the decreased number of naive T-cells? A) Shrinking of the thymus B) Increased IL-7 cells C) Decreased apoptosis D) Increased fat in the body
Understand the Problem
The question is asking about the factors that are related to the decrease in the number of naive T-cells, with a focus on identifying which one of the provided options is directly associated with this decrease.
Answer
Shrinking of the thymus.
The final answer is shrinking of the thymus.
Answer for screen readers
The final answer is shrinking of the thymus.
More Information
The shrinking of the thymus, known as thymic involution, is a natural process that occurs with age. As the thymus shrinks, the production of naive T-cells decreases, reducing the body's ability to respond to new antigens.
Sources
- The Effect of Age on Thymic Function - PMC - pmc.ncbi.nlm.nih.gov
- THE ROLE OF THE THYMUS IN THE IMMUNE RESPONSE - PMC - pmc.ncbi.nlm.nih.gov
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