Vývoj B a T lymfocytů

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18 Terms

1

Jaké imunoglobuliny bývají BCR

IgD, IgM

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2

Molekuly asociované s BCR

CD Ig alfa(CD79A), CD Ig beta (CD79B)

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3

Molekuly v sousedství BCR

CD21, CD19

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4

Funkce CD21

Zesiluje signál BCR

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5

Geny protilátek

Všechny těžké řetězce-14. Ch

Lehký kappa-2ch

Lehký lambda 22ch

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6

Těžký řetězec BCR segmenty

V,D,J

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7

Gen pro konstantní část segmenty, význam

Mí=>IgM

Delta=> IgD

Gamma=>IgG

Epsylon=> IgE

Alfa=>IgA

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8

Somatická rekombinace těžkého řetězce počet kombinací

45 000

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9

Alelická exkluze

Přeskupování na jednom chromozomu brání přeskupování na druhém

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10

Kolik možných kombinací dostáváme z rekomb. Lehkého a těžkého řetězce

27 900 000

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11

Somatické hypermutace

Při kolonální expanzi => změny na úrovni DNA

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12

Který enzym je spojen se Somatickou hypermutací

AID

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13

Patogen ve slinivce/lymf. Uzlinach reakce

IFN-gama=> IgG (obecné)

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14

Patogen v mukozní tkáni reakce

Produkce TGF-beta=> IgA (proniká do mukozní tkáně)

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15

Parazitní infekce reakce

Eosinofily, bezofily,žírné buňky=> IL4=>IgE

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16

Koreceptory t lymf

CD4,CD8

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17

Rozdíl funkce CD4/CD8

CD4=>MHC2

CD8=>MHC1

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18

Fukce CD3 proteinu

Přenos signálu do bunky z TCR

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