Innate to adaptive Flashcards

Y2C1 1 question will be asked

1
Q

Cell comm

____used for comm
induce changes such as growth, differentiation movement or cell death

A

cytokines

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2
Q

Cytokines:types

what are the 4 types of cytokines

A

Chemokines
Interferons
Interleukins
Tumor necrosis factor

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3
Q

Cytokines:types

fill the blanks

A

chemokines
Interferons
Interleukins
Tumor necrosis factors

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4
Q

Cytokines:chemokines

Impo In___of immune cells

A

Chemotaxis

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5
Q

Cytokines:Interferons

_____proteins
impo role in control of____infections
also help regulate cells involved in____response

A

glycoproteins
viral infections
Immune

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6
Q

CYtokines:INterleukins

impo in____&___immunity,______

A

Innate adaptive inflammation

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7
Q

cytokines:tumor necrosis factor

help kill___cells
initiate_____

A

tumor cells
apoptosis

apoptosis:programmed cell death

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8
Q

lymphocyte subsets

guess the subsets

A

B cell
helper T cell
cytolytic T cell
NK cell

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9
Q

Natural killer cells

source:_____precursors
cytotoxic for
____cells
_____infected cells
other microorganisms

A

bone-marrow
tumor cells
viral infected cells

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10
Q

Natural cells

charateristic markers:CD___&___
T-cell markers:CD__,__,__
activated by cytokines:IF___,____,____ which causes IFN gamma secretion
do not carry__or__cell receptors
receptors both___&____

A

CD16&56
CD3-,4-,8-
do not carry T or B cell receptor
both inhibitory & activatory

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11
Q

natural killer cells

IF-12,15 and 18 are NK cell____receptors

A

marker

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12
Q

IFN__&___causes Interferon response

A

alpha and beta

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13
Q

NK cell receptors:Inhibitory receptors

fill the blanks

A

normal cell
HLA-class I molecules

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14
Q

Nk cell receptors:activatory receptors

recognize____or____antigens

A

virus or tumor

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15
Q

NK cell recognition:recognition patterns

fill the blanks

A

HLA-class I
NKG2D
antibody-dependant cell-mediated cytotoxicity

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16
Q

NK cells can attack tumor cells lacking____expression

A

HLA class I

17
Q

NK cells prolong survival, but cannot prevent____

A

death

18
Q

NKT cells

T-cells that have____cell marker(CD3+,CD56+)
release cytokines____&___after activation

A

Natural killer cell marker
IFN gamma & IL-4

19
Q

gamma-delta T cells

part of first line of____defence
mature in___
found as_____lymphocytes
mostly in gut & oral mucosa

A

innate defence
intra-epithelial lymphocytes

20
Q

gamma-delta T cells

recognize antigens other than____associated peptides(unlike CD_or_cells)
also works on___based antigens

A

HLA-associated
CD4+orCD8+ cells
works on lipid based

21
Q

dendritic cells

develop in bone marrow from progenitor(CD_)cells or monocytes(CD__)
mostly found___of cell

A

CD34+ CD14+
enterance of cell

22
Q

dendritic-cell maturation

epidermal dendritic cells are called____cells

A

langerhans

23
Q

dendritic cells

which one is mature/Immature

A

Immature mature

24
Q

Dendritic cells-major subtypes:myeloid dendritic cells

CD___,___
____marker
mainly in____tissues
major cytokines:___,___
major role in antigen presentation

A

CD11b+ CD14-
monocyte marker
TNF alpha, Il-6

25
Q

other-antigen presenting cells:macrophages

express low___
inducable by___
present antigen to CD__cytotoxic T cells

A

HLA IFNy
CD8+

26
Q

other-antigen presenting cells:B-cells

high___inducible by__
presents antigen to CD____helper cells

A

HLA Il-4
CD4+ T-helper cells

27
Q

other antigen-presenting cells:vascular endothelial cells

low__ inducable by__

A

HLA IFNy

28
Q

TNF and IL-1 are____cytokineses

A

preinflammatory