The pre-TCR complex is composed of a functional α chain, a surrogate β chain (preTβ), CD3 proteins and ζ chain.
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Sphingosine 1-phosphate directs naive T-cells out of the lym…
Sphingosine 1-phosphate directs naive T-cells out of the lymph node back into the lymph.
Double negative thymocytes will simultaneously initiate rear…
Double negative thymocytes will simultaneously initiate rearrangement of which receptor genes first?
Which of the following is false about positive selection?
Which of the following is false about positive selection?
Which of the following is false about TH2 cells?
Which of the following is false about TH2 cells?
The thymus is very active throughout life and does not atrop…
The thymus is very active throughout life and does not atrophy with age.
Langerhans’ cells are a type of mature dendritic cells that…
Langerhans’ cells are a type of mature dendritic cells that take up antigens when the skin is breached.
AIRE (autoimmune regulator) is used by a subpopulation of th…
AIRE (autoimmune regulator) is used by a subpopulation of thymic epithelial cells during positive selection to produce some peripheral self peptides.
T regulatory cells secrete _____ cytokines.
T regulatory cells secrete _____ cytokines.
Which of the following are found in CD-8 T-cells cytotoxic g…
Which of the following are found in CD-8 T-cells cytotoxic granules?