Alistair R W Williams

No ORCID on file · 12 papers in corpus
rct 2023
EClinicalMedicine ·doi:10.1016/j.eclinm.2023.101995

BACKGROUND: Heavy menstrual bleeding affects one in four women and negatively impacts quality of life. Ulipristal acetate is prescribed to treat symptoms associated with uterine fibroids. We compared the effectiveness of ulipristal acetate …

other 2021
Fertility and sterility ·doi:10.1016/j.fertnstert.2021.02.008

OBJECTIVE: To study the impact of the progesterone receptor modulator (PRM), ulipristal acetate (UPA), on endometrial morphology and function. DESIGN: Cross-sectional. SETTING: University Research Institute. PATIENT(S): Endometrial biops…

rct 2020
European journal of obstetrics, gynecology, and reproductive biology ·doi:10.1016/j.ejogrb.2020.06.056

OBJECTIVE: Long-term treatment with progesterone receptor modulators (PRM) is associated with a distinct histological entity termed progesterone receptor modulator associated endometrial changes (PAEC). While accumulating evidence implies t…

review 2020
Physiological reviews ·doi:10.1152/physrev.00031.2019

The physiological functions of the uterine endometrium (uterine lining) are preparation for implantation, maintenance of pregnancy if implantation occurs, and menstruation in the absence of pregnancy. The endometrium thus plays a pivotal ro…

review 2014
Current opinion in obstetrics & gynecology ·doi:10.1097/GCO.0000000000000082

PURPOSE OF REVIEW: Review of recent data from clinical trials and descriptions of endometrial morphology with administration of selective progesterone receptor modulators (SPRMs). RECENT FINDINGS: Recent reports concerning administration o…

rct 2013
Journal of immunology (Baltimore, Md. : 1950) ·doi:10.4049/jimmunol.1300958

Uterine NK cells (uNK) play a role in the regulation of placentation, but their functions in nonpregnant endometrium are not understood. We have previously reported suppression of endometrial bleeding and alteration of spiral artery morphol…

lab-animal 2010
The American Journal of Pathology ·doi:10.2353/ajpath.2010.090403

Interleukin-11 (IL-11) up-regulates the proliferative and invasive capacity of many cancers. Coexpression of glycoprotein 130 (GP130) and IL-11 receptor alpha (IL-11Ralpha) is necessary for high-affinity binding of IL-11 to IL-11Ralpha. Thi…

lab-animal 2009
BMC cancer ·doi:10.1186/1471-2407-9-330

BACKGROUND: Endometrial cancer is the most common gynaecological malignancy; risk factors include exposure to oestrogens and high body mass index. Expression of enzymes involved in biosynthesis of oestrogens and prostaglandins (PG) is often…

lab-animal 2009
Biochimica et biophysica acta ·doi:10.1016/j.bbamcr.2009.09.018

Pro-inflammatory mediators, like prostaglandin (PG) and chemokines, promote tumourigenesis by enhancing cell proliferation, migration of immune cells and recruitment of blood vessels. Recently we showed elevated expression of the chemokine …

other 2008
PloS one ·doi:10.1371/journal.pone.0003969

BACKGROUND: Embryo retention in the Fallopian tube (FT) is thought to lead to ectopic pregnancy (EP), a considerable cause of morbidity. In mice, genetic/pharmacological silencing of cannabinoid receptor Cnr1, encoding CB1, causes retention…

other 2008
Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc ·doi:10.1038/modpathol.2008.19

Progesterone receptor modulators (PRM) are hormonally active drugs effective in the management of endometriosis and uterine leiomyomata. The endometrial effects of progestin blockade by PRMs in premenopausal women are currently being evalua…

lab-animal 2005
Cancer research ·doi:10.1158/0008-5472.can-05-0101

Prostaglandins have been implicated in several neovascular diseases. In the present study, we found elevated FP receptor and vascular endothelial growth factor (VEGF) expression colocalized in glandular epithelial and vascular cells lining …