A sperm forward motility–stimulating protein was purified from goat serum and characterized. The research provides a potential nonsteroidal biomolecule and its antibody that may solve some global reproductive problems.
Human ovarian follicles express resistin, which decreases insulin-like growth factor I (IGF-I)-induced steroid production, P450scc and P450 aromatase protein levels, and IGF-I receptor signaling pathways in primary human granulosa cells.
Inhibition of lipopolysaccharide-induced RANTES production by estrogen receptor b agonist diarylpropionitrile in the macrophage cell line RAW264.7 may be mediated via repression of nuclear factor kB activation.
Diabetes induces oxidative DNA damage in the corpus cavernosum. Angiotensin-(1–7), a counter-regulator of angiotensin II signaling, significantly attenuates DNA damage and structural changes in the corpus cavernosum.
Below the age of 40, women with polycystic ovary syndrome have higher clinical pregnancy and live-birth rates after in vitro fertilization compared with women with tubal factor infertility. After 40, despite a higher oocyte yield, there is no difference in pregnancy outcomes.
There is increasing awareness of the importance of endometrial development in infertile patients. In a large unexplained infertility population, we describe the factors affecting adverse endometrial development during IUI cycles.
Several factors, such as genetic, epigenetic, steroids, growth factors, cytokines, chemokines, and extracellular matrix components, have been identified in myometrial and leiomyoma biology that are hereby reviewed and discussed.
Clinical-grade vitrification of human ovarian tissue in fertility preservation, with the use of only one permeating cryoprotectant, ethylene glycol, in a closed system results in intact follicular ultrastructure.
Leptin and its receptor (ObR) are induced in ovarian endometriomas. There was positive correlation between ObR and adiponectin expression. The leptin-ObR system was associated with adiponectin gene expression in endometriotic cells.
Overexpression of matrix metalloproteinases (MMPs) 2 and 9 and decrease in tissue inhibitor of MMP (TIMP) 1 were associated with poor IVF outcome in women with endometriosis. Progesterone supplementation following IVF improved the MMP-9/TIMP-1 imbalance significantly in these women.
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