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Chemokines_____and_____attract B cells to the HEV and lymph node respectively.

a. CCL29 ; CCL21
b. CCL21 ; CCL19
c. CXCL13 ; CCL19
d. CCL21 ; CXCL13

1 Answer

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Final answer:

Chemokines CCL21 and CXCL13 are responsible for attracting B cells to the HEV and lymph nodes respectively. The correct option is d.

Step-by-step explanation:

Chemokines are chemotactic cytokines that recruit specific subsets of leukocytes to sites of infection, damaged tissue, and inflammation. These chemokines play a significant role in guiding B cells to the high endothelial venules (HEV) and lymph nodes. The correct answer to the question "Chemokines____ and ____attract B cells to the HEV and lymph node respectively." is option d. CCL21 ; CXCL13. CCL21 is involved in the attraction of B cells to the HEV, whereas CXCL13 plays a crucial role in directing them to the lymph nodes. Hence, d is the correct option.

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