lecture 8 Flashcards

1
Q

Nathan Augustus Cobb

A

1894 described wheat strains
enduring fungal infections

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2
Q

true or false: disease tolerance is context dependant

A

true

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3
Q

what can affect disease tolerance

A

-genetics
-receptor downregulation
-tissue repair
-gut microbiota
-immune silencing

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4
Q

what is disease tolerance

A

high pathogen load and high host health

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5
Q

what is resistance

A

lower pathogen load high host health

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6
Q

true or false: type 1 and type 2 immunity are mutually antagonist

A

true
type 1:
Intracellular Pathogens
Bacteria
Viruses

-type 2
Allergens
Helminths
Damage

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7
Q

true or false: Type 2 Immunity Drives Host Resistance to hiv Infection

A

Type 2 Immunity Drives Host Resistance to Hpb Infection

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8
Q

IFNy signaling compromises host resistance to… and what type of immunity is it

A

hpb
type one

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9
Q

IFNy signaling in the intestinal epithelium promotes Disease Tolerance to

A

hpb

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10
Q

true or false: inf gamma can cause tissue repair

A

true
IFNy Drives the Local Recruitment of Neutrophils
Neutrophils Support Tissue Repair

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11
Q
  • Type 1 Immunity promotes
A
  • Type 1 Immunity promotes Host Resistance
  • Cytotoxic effects on invading pathogens
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12
Q

Type 2 Immunity promotes

A

Type 2 Immunity promotes Disease tolerance
* Tissue repair
* Epithelial proliferation

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13
Q

true or false: in the context of helminths type 2 immunity promotes host resistance

A

true
Reprogramming of intestinal epithelial cell barrie

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14
Q

true or false: in the context of helminths type 1 immunity promotes Disease Tolerance

A

Type 1 Immunity compromises Host Resistance while promoting Disease Tolerance
* IFNg-recruited Neutrophil-induced tissue repair?

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