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Both ADAM17, the secretase responsible for the shedding of ectodomains of numerous membrane proteins including TNF and its receptors, as well as nitric oxide synthesized by inducible nitric oxide synthase play regulatory roles in inflammation and tumor progression. We analyzed the effect of endogenous and exogenous nitric oxide on the expression and activity of ADAM17 in murine endothelial cells...
The Temnospondyli are a large and diverse group of stemtetrapods (sensu Laurin and Reisz 1997) known from the Early Carboniferous to the Early Cretaceous; their remains have been found on all continents, from Greenland to Antarctica. The Metoposauridae are a short−ranging temnospondyl group recorded only from the Late Triassic; they are characterized by an anterior position of the orbits, a broad...
Badania przeprowadzono na 200 kaczkach mieszańcach (kaczor piżmowy x kaczka Pekin z rodu A-44), które podzielono na dwie grupy po 50 samic i 50 samców każda. Doświadczenie obejmowało 12-tygodniowy okres odchowu. Ptaki były żywione do woli. Kaczki z grupy doświadczalnej od 4. do 12. tygodnia życia otrzymywały paszę o zmniejszającej się zawartości białka, a od 7. do 12. tyg. - o zwiększającej się zawartości...
Badania wykonano na kaczkach mieszańcach (kaczor piżmowy x kaczka Pekin z rodu A-44), samicach i samcach w 9., 10., 11. i 12. tygodniu życia. Określano wskaźniki hematologiczne: Ht, Hb, RBC, WBC, MCV, MCH i MCHC. W zakresie badań biochemicznych oznaczano w surowicy: zawartość białka całkowitego, cholesterolu całkowitego, lipidów całkowitych, glukozy i wapnia oraz aktywność ALT, AST i AP. W badanym...
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