Eikosanoidy

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20 Terms

1

Signální molekuly zánětu

Histamin, cytokiny,postaglandin, eikosanoidy

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2

Jaké MK jsou esenciállní

Omega (6-1)

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3

Která fosfolipáza dělí kys arachidonovou z fosfolipidů

A2

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4

Dělení eikosanoidů

Cyklické, lineární

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5

Cyklické eikosanoidy

Prostaglandiny, tromboxany

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6

Linearní tromboxany

Leukotrieny, lipoxny

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7

Co syntetizují COX

Prostaglandin H (počátek syntézy cyklických eikosanoidů)

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8

Role LOX

Počátek syntézy lineárních eikosanoidů

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9

Prví produkt LOX

Hydroperoxy-eikosantreanová kys

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10

COX 1 funkce

Regulace krevního tlaku v glomerulech, tvorba hlenu v žaludeční slznici => housekeeping enzyme

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11

COX2

Objevuje se jn při zánětu

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12

Učinky porstaglandinů

Zvýšení tělesné teploty při zánětu+ tvorba hlenu v žaludku

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13

Tromboxany funkce

Stimulace destiček=> tvorba sraženin

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14

Leukotrieny funkce

Bronchokonstrikce

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15

Princip funkce ibuprofenu a aspirinu

Inhibice COX1 (aspirin ireverzibilní)

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16

Paraacetamol princip funkce

Inhibice COX2

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17

Steroidní antirevmatika princip funkce

Inhibice fosfolipázy A2

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18

Imunosupresiva na pricipu cytostatik

Metotrexát, cikosporin A

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19

Metotrexát prinicip funkce

Inhibitor dihydrofolátreduktázy=> nevzniká THF

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20

Ciklosporin využití

Po transplantac, brání imunitní odpovědi

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