Age-dependent and seasonal changes in the activity of platelet-activating factor acetylhydrolase [PAF-AH] of boar seminal plasma in relation to the content of calcium ions

• Autorzy: Kordan W , Strzezek J. , Fraser L. , Soliwoda D.
• Języki publikacji: EN

Abstrakty

EN

The objective of this study was to determine the activity of platelet-activating factor acetylhydrolase (PAF-AH) and the content of calcium ions (Ca2+) of boar seminal plasma in relation to season and animal age. Wide fluctuations in PAF-AH activity and Ca2+ content of plasma were observed. PAF-AH activity ranged from 334.2 to 524.3 nmol PAF hydrolyzed/min/mg protein, whereas the Ca2+ content from 2.4 to 3.4 mg/100 ml. In some cases PAF-AH activity was positively correlated with Ca2+ content.Both the PAF-AH activity and Ca2+ content of plasma depended on the season and age of the boars.The age-related and seasonal changes observed in PAF-AH activity suggest that the enzyme may play a role in boar reproductive functions.

PL

Określono aktywność PAF-AH oraz zawartość jonów Ca2+ w plazmie nasienia knura z uwzględnieniem rozwoju osobniczego i pory roku. Aktywność PAF-AH kształtowała się na poziomie 334-524 nmoli PAF/min/mg białka i wykazywała zależność od wieku knurów oraz pory roku. Zawartość jonów Ca2+ wynosiła średnio 2,90 mg/100 ml (wahania od 2,41 do 3,38 mg/100 ml plazmy), zmieniała się z wiekiem knurów i zależała od pory roku. Wykazano korelację między aktywnością PAF-AH, a zawartością jonów Ca2+ w plazmie nasienia w czterech grupach wiekowych i sezonowych. Fluktuacje aktywności PAF-AH wskazywać mogą na związek enzymu z procesami reprodukcyjnymi.

Słowa kluczowe

EN

animal reproduction; boar; acetylhydrolase; platelet-activating factor; calcium ion; seasonal change; animal age; seminal plasma

• Wydawca: -
• Czasopismo: Animal Science Papers and Reports
• Rocznik: 2003
• Tom: 21
• Numer: 1
• Opis fizyczny: p.5-13,fig.

Twórcy

autor

Kordan W

• University of Warmia and Mazury in Olsztyn, Oczapowskiego 5, 10-718 Olsztyn-Kortowo, Poland

autor

Strzezek J.

autor

Fraser L.

autor

Soliwoda D.

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