Eicosonoids Flashcards
What are eicosonoids?
Fatty acids with 20 Carbons
How many double bonds does the archidonat has?
4
Which fatty acid is placed in the center of each Eicosonoid
Archidonate
How do we able to get archidonate?
לקבל ממזון צמחי את linoleate ועליו, בתהליכי desaturation ו- elongation להוסיף קשרים כפולים במיקומים שלפני פחמן 10 ,כך שבנוסף לקשרים הכפולים איתם המולקולה מגיעה מהמזון, נוספים שני קשרים
Which fatty acid we eat to get archidonate?
Linoleate
What is the first step in generating prostaglandins?
Generate the first prostaglandin pgh2
Which type of enzyme synthesizes pgh2
Oxygenates
What is the name of the enzyme that synthesizes PGH2
COX
What molecule cox uses for its function?
oxygen O2
Which cox is more constitutive?
Cox1
Which cox usually expressed after external signal in specific cells?
Cox 2
How do we prevent cox with aspirin?
Cox undergoes esterification
Over which cox aspirin is more reactive?
Cox1
Can aspirin react over cox 2?
Yes
How Aspirin can become harmful what taking it for long time?
Narrowed blood vessels
Broke the equilibrium of salts and caused heart attacks