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DTSTART:19960101T000000 END:STANDARD BEGIN:STANDARD TZNAME:GMT TZOFFSETFROM:+0100 TZOFFSETTO:+0000 DTSTART:19961027T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20260509T201446Z DTSTART;VALUE=DATE-TIME:20220202T130000 DTEND;VALUE=DATE-TIME:20220202T140000 SUMMARY:BMS Seminar: Endometrial hypoxia and menstruation\, Dr Jacqueline Maybin\, Senior Clinical Research Fellow and Honorary Consultant Gynaec ologist\, MRC Centre for Reproductive Health at University of Edinburgh TZID:Europe/London UID:20220202-8a17841b7e6d30bd017e90e226cb0846@warwick.ac.uk CREATED:20220126T100257Z DESCRIPTION:Abstract: Heavy menstrual bleeding (HMB) is a common and debi litating symptom but menstruation remains a taboo subject. Hence\, it is rarely discussed\, under-researched and sub-optimally managed. Many cur rently available medical treatments fail due to hormonal side effects an d/or lack of effectiveness. We study endometrial physiology and patholog y during menstrual breakdown and repair with the aim of developing bette r treatments for those suffering with HMB. Over 80 years ago it was prop osed that progesterone withdrawal caused intense vasoconstriction and tr ansient endometrial hypoxia that resulted in menstruation. Subsequent re search confirmed that inflammation initiates menstruation and disputed t he presence and role of hypoxia in endometrial physiology. By studying h uman tissue and a mouse model of “simulated menstruation” we have shown that hypoxia is present in the menstrual endometrium. We also revealed t hat hypoxia is not necessary for endometrial breakdown at menstruation b ut is essential for timely repair of the denuded endometrial surface to limit menstrual blood loss. This seminar will detail our work on the pre sence and role of hypoxia and hypoxia inducible factor (HIF\, the master regulator of the cellular response to hypoxia) in the human endometrium using in vivo MRI techniques alongside ex vivo studies. In addition\, t he effects of pharmacological and genetic inhibition of hypoxia pathways in our mouse model of simulated menstruation will be described. Finally \, evidence will be presented proposing HIF-1 stabilisers as a potential non-hormonal therapeutic strategy for women with HMB. Biography: I am a Senior Clinical Research Fellow at the MRC Centre for Reproductive Heal th at the University of Edinburgh and an Honorary NHS Consultant in Gyna ecology at the Royal Infirmary of Edinburgh. I run a specialist menstrua l disorders service and offer medical treatments as well as surgical int erventions\, ranging from minimally invasive hysteroscopy and laparoscop y to open abdominal procedures. My research aims to develop better preve ntative and therapeutic strategies for abnormal uterine bleeding\, a com mon and debilitating complaint. Specifically\, I hold a Wellcome Trust C linical Career Development Fellowship to investigate the role of hypoxia in menstrual physiology and pathology with the aim of developing more e ffective\, acceptable treatments for heavy menstrual bleeding. I also ha ve funding from the Royal Society of Edinburgh to examine the potential link between Long COVID and menstrual disturbance. I sit on the Editoria l Board of Reproduction\, Frontiers in Reproductive Health (Gynaecology) and Physiological Reviews and am a member of the RCOG Blair Bell commit tee. MS Teams link available here LOCATION:tba CATEGORIES:BiomedicalSciences,DivisionalSeminars,CSRL LAST-MODIFIED:20220126T100257Z ORGANIZER;CN=Jas Bains: END:VEVENT END:VCALENDAR