Antigen Processing Flashcards

0
Q

Initially immature cells that migrate to T-cell zone of the lymph node once they come into contact with antigens

A

Dermal dendritic cells

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1
Q

Displayed by APCs for T-cell recognition

A

Peptide-MHC complexes

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2
Q

Modes by which professional APCs internalize antigens

A

Phagocytosis

Receptor-mediated endocytosis

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3
Q

Phenomenon wherein the epitope that is processed and presented is one that causes the best immune response

A

Immunodominance

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4
Q

T/F: B cells recognize amino acid sequences whereas B-cells recognize conformational determinants

A

False

T cells - amino acids
B-cells - conformational determinants

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5
Q

Property of T-cells that restricts them to recognizing antigens bound to self-APC

A

Self-MHC restriction

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6
Q

MHC molecules bind ______

A

Peptides

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7
Q

Site where MHC II is synthesized

A

ER

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8
Q

Cause enzymatic breakdown of internalized proteins

A

Cathepsins

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9
Q

_____ controls the dissociation of CLIP and facilitates the binding of Antigenic peptides

A

HLA-DM

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10
Q

Enzymes associated with the MHC I pathway

A

Transporter associated with antigen processing (TAP) - facilitates entry
ER resident aminopeptidase - trims peptides

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