Immunotherapy Flashcards

1
Q

4 parts of the holy grail

A

cytokines
vaccines
tumor infiltrating lymphocytes (tils)
Antibodies to tumor specific antigens

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2
Q

Problems with TILs and Gene (IL-2) Transfer

A

expensive and complex, anergy

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3
Q

Rituximab

A

Chimeric antibody against CD20, membrane protein of B lymphocytes

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4
Q

Rituximab induces….

A

antibody dependent cellular cytotoxicity (ADCC) and complement dependent cytotoxicity (CDC)

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5
Q

What is Rituximab useful for?

A

B cell malignancy and auto immune disease

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6
Q

RCHOP

A

Hodgkin’s Lymphoma ( I think…)

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7
Q

Anti-CD20

A

Ofatumumab
Obinutuzumab
Outperform rituximab - low grade lymphomas

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8
Q

blockade of the inhibitory effects of CTLA-4 can allow for and potentiate…

A

immune response against tumor cells

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9
Q

B7 to CTLA-4

A

Off switch, blocks B7 and CD28

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10
Q

Ipilimumab

A

blocks B7 and CTLA-4. Turns off the off switch. Dendritic cells and T cells interact. Activation

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11
Q

Side effects of CTLA-4 blockade?

A

colitis
rash
endocrinopathies
pulmonary toxicity

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12
Q

PD1 and PD1 ligand

A

another off switch, surpresses T cell activation

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13
Q

Advantage to PD1

A

kinder, less side effects

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14
Q

What if you block PD-1 and PD1 ligand?

A

T cell can be activated and attack tumor cell

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15
Q

What types of cancer is PD1 and PD1 ligand blockade effective in?

A

mismatch repair and mutations of high genetic variation

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16
Q

Side effects of PD1 blockade?

A

Skin (rash), colitis and thyroid problems