… synthesis enzymes AANAT and HIOMT and melatonin receptors MT1 and MT2 in sheep
cumulus–oocyte complexes (… MT2 expression as well as melatonin synthesis in COCs so as to …

… One of the products of the pathway, phosphoribosylpyrophosphate (PRPP) is used by the
oocyte for purine synthesis. The PPP is also linked to other cellular enzymatic processes, …

… is then synthesized into hyaluronic acid by the action of the enzyme, hyaluronic acid synthase
(Fig. 2). The HBP is considered a self-regulating pathway; the rate-limiting enzyme is also …

… , reflect a period of intensive RNA synthesis as the oocyte grows and accumulates the
molecular … Enzymes present in exocytosed cortical granules prevent polyspermic fertilisation by …

… the mouse oocyte-cumulus cell complex for normal ovulation. I report here that the synthesis
… Enzyme incubations were carried out with constant mixing of cell suspensions on a Junior …

… synthesis, especially in the animals with large oocytes, the GV contains lampbrush chromosomes,
which extend large DNA loops at the sites of RNA synthesis (… The enzyme removing …

… may inhibit enzymes responsible for GSH synthesis, thus impairing the oocytes ability to …
Cumulus-oocyte complexes were matured in the absence of chemicals (control) or in the …

… PRPP is an essential precursor for the synthesis of purine and pyrimidine … enzyme substrate
which drives many cellular processes. Oocyte PPP activity is likely to be important to oocyte …

… When oocytes were microsurgically removed from cumulus cell–oocyte complexes, the …
decreased expression levels of genes encoding glycolytic enzymes, glycolysis and activity of the …

… for de novo purine synthesis, important for meiotic regulation within the oocyte. Products of
the … Cetica P, Pintos L, Dalvit G & Beconi M 2002 Activity of key enzymes involved in glucose …