TLRs Flashcards

1
Q

CLRs

A

C-type lectin Receptors

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2
Q

Where are CLRs

A

transmembrane proteins on plasma cells

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3
Q

CLRs recognise

A

Glycans- from wall of fungi and some bacteria

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4
Q

CLR activates

A

syk, CARD9/MALT1/ Bcl-10 adapter complex

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5
Q

example of CLRs

A

Dectin-1 recognise Beta 1 glucans on the cell wall of fungi

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6
Q

NLR

A

Nod-like Receptors

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7
Q

NLR subfamilies

A

NLPRs, AIM2, NOD1 and NOD2

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8
Q

Where are NLRs

A

Cytoplasm

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9
Q

What do NLRs recognise

A

Bacteria, viral, parasitic and fungal PAMPs

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10
Q

AIM2 detects

A

Viral and bacterial DNA

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11
Q

wHAT DOES aim2 FORM

A

MULTIPROTEIN SIGNALLING COMPLEXES (INFLAMMASOMES)

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12
Q

General function of inflammasome

A

Activates caspase-1-mediated processing and IL-1B, IL-18

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13
Q

What do NOD1 and NOD2 recognise

A

bacterial peptidoglycan

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14
Q

TLRs

A

Toll-like receptors

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15
Q

where are TLRs

A

transmembrane proteins at plasma membrane or endosomes

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16
Q

TLR recognise

A

Proteins, nucleic acids, glycans

17
Q

TLRs activate

A

MAP kinase, NFkB and IRF pathways

18
Q

example of TLR

A

TLR4 recognises LPS, component of gram negative bacteria wall

19
Q

LPS

A

Lipopolysaccharides

20
Q

RLR

A

RIG-like receptors

21
Q

Where are RIGs

A

cytoplasmic sensors of viral RNA

22
Q

RIG signal

A

via Mitochondrial adapter protein (MAVs)

23
Q

RIG

A

trigger antiviral responses including production of type 1 interferon

24
Q

TLR3, 7/8 and 9

A

9 recognise viral RNA or DNA to induce the expression of type I interferon

25
Q

Viral genomes

A

ssRNA, DNA, dsRNA

26
Q

what is unique about the structural components of viruses

A

varied and highly mutated

27
Q
A