Cyclooxygenase-2 and its role in ovulation: a 2004 account

J Sirois, K Sayasith, KA Brown, AE Stock… - Human reproduction …, 2004 - academic.oup.com
The pre-ovulatory surge of gonadotrophins triggers a marked and obligatory increase in
follicular prostaglandin synthesis prior to ovulation, and the cyclooxygenase (COX) enzyme …

Regulation of prostaglandin-endoperoxide synthase 2 messenger ribonucleic acid expression in mouse granulosa cells during ovulation

IM Joyce, FL Pendola, M O'Brien, JJ Eppig - Endocrinology, 2001 - academic.oup.com
Normal ovulation in mice requires PG-endoperoxide synthase 2 (cyclooxygenase-2; COX-2)
expression. This study examined the role of the oocyte and other factors in regulating steady …

Expression of cyclooxygenase-1 and-2 in the baboon endometrium during the menstrual cycle and pregnancy

JJ Kim, J Wang, C Bambra, SK Das, SK Dey… - …, 1999 - academic.oup.com
Cyclooxygenase (COX) is the rate-limiting enzyme in the biosynthesis of PGs. PGs together
with ovarian steroids play important regulatory roles in the establishment and maintenance …

Cyclooxygenase‐2 is expressed by cumulus cells during oocyte maturation in cattle

F Nuttinck, P Reinaud, H Tricoire… - Molecular …, 2002 - Wiley Online Library
Prostaglandins could be involved in various aspects of final differentiation of ovarian
follicles. Prostaglandins are generated by the cyclooxygenase (cox) pathway. Until now, the …

The ovulatory gonadotrophin surge stimulates cyclooxygenase expression and prostaglandin production by the monkey follicle

DM Duffy, RL Stouffer - MHR: Basic science of reproductive …, 2001 - academic.oup.com
Follicular prostaglandin concentrations increase following the gonadotrophin surge in
domestic animals and rodents~ 10 h before follicle rupture, suggesting a unifying role for …

Cyclooxygenase-1 is a potential target for prevention and treatment of ovarian epithelial cancer

T Daikoku, D Wang, S Tranguch, JD Morrow, S Orsulic… - Cancer research, 2005 - AACR
The precise genetic and molecular defects underlying epithelial ovarian cancer (EOC)
remain largely unknown, and treatment options for patients with advanced disease are …

Cyclooxygenase-1 is overexpressed and promotes angiogenic growth factor production in ovarian cancer

RA Gupta, LV Tejada, BJ Tong, SK Das, JD Morrow… - Cancer research, 2003 - AACR
Abstract Inhibition of cyclooygenase-2 (COX-2) catalytic activity has proven successful in
restricting the growth of epithelial-derived cancers in vivo. Whether COX-2 inhibitor therapy …

Sounding the alarm—does induction of prostaglandin endoperoxide synthase-2 control the mammalian ovulatory clock?

JAS Richards - Endocrinology, 1997 - academic.oup.com
Timing is of the essence—especially in the unique biological process of ovulation. The LH
surge is released in response to a critical threshold of estradiol coming from the preovulatory …

Cyclooxygenase-1 and 2 in normal and malignant human ovarian epithelium

S Li, K Miner, R Fannin, JC Barrett, BJ Davis - Gynecologic oncology, 2004 - Elsevier
Objectives. Cyclooxygenase-1 and 2 (COX-1 and COX-2) play important roles in normal
physiology and are often dysregulated in neoplastic tissues. The present study determines …

Anovulation in Cyclooxygenase-2-Deficient Mice Is Restored by Prostaglandin E2 and Interleukin-1β

BJ Davis, DE Lennard, CA Lee, HF Tiano… - …, 1999 - academic.oup.com
Mice carrying a null mutation for either of the two cyclooxygenase (COX) isoenzymes,
necessary for prostanoid production, exhibit several isotype-specific reproductive …