A kinetics study of fatty acid composition of embryos, oviductal and uterine fluids in the rabbit

Fatty acid composition of lipids in day 7–13 blastocysts, serum and uterine fluid of rabbits

“…Palmitoleic acid concentration was very low in serum and uterine fluid samples. This is consistent with the findings of Yao et al [27] and with our earlier studies [17,20].…”

“…We reported previously that the constituents of fatty acids in 1-cell to day 9 blastocysts [17]. The fatty acids of day 6 and 9 blastocysts of this experiment got the same result as the previous report [17]. In the previous report, 1-cell stage embryos had the highest concentration of arachidonic acid, followed by lignoceric acid.…”

“…It is of interest that the high level of palmitic acid found in the blastocysts may serve as a storage pool of metabolic precursors for fatty acid elongation and desaturation [16]. We reported previously that the constituents of fatty acids in 1-cell to day 9 blastocysts [17]. The fatty acids of day 6 and 9 blastocysts of this experiment got the same result as the previous report [17].…”

“…Compared with the reported fatty acid composition for oocytes from cattle, pigs and sheep, early stage human embryos had a similar proportion of the important unsaturated fatty acids, especially linolenic, arachidonic and eicosapentaenoic and the saturated palmitic [19]. Moreover, it was reported that oleic, palmitic and linoleic acids are capable of supporting growth of 1-cell rabbit embryos to viable morulae [17]. Kane [8] reported that long chain fatty acids, myristic, palmitic, stearic, oleic and linoleic acid, supported rabbit embryo growth.…”

“…Data are presented as mean ± SEM, n = 10. Values with different superscripts in the same row are significantly different (P \ 0.05) content was less [17]. Haggarty [18] reported that human preimplantation embryos which developed beyond the 4cell stage had significantly higher concentrations of the unsaturates, particularly linoleic acid and oleic acid, and a lower concentration of total saturates.…”