Association of endocannabinoids with pain in endometriosis.

Andrieu, Thomas; Chicca, Andrea; Pellegata, Daniele; Bersinger, Nick A.; Imboden, Sara; Nirgianakis, Konstantinos; Gertsch, Jürg; Mueller, Michael D. (2021). Association of endocannabinoids with pain in endometriosis. (In Press). Pain Elsevier 10.1097/j.pain.0000000000002333

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ABSTRACT

Endocannabinoid (eCB) levels fluctuate in inflammatory conditions and as such may take part in endometriosis-associated pain or even in endometriosis pathogenesis. In this case-control (23 cases and 19 controls) study, targeted lipids were measured in the serum and peritoneal fluid collected during laparoscopy. Endometriosis was confirmed histologically. Dysmenorrhea, abdominal pain, and dyspareunia were assessed using the Numeric Rating Scale for pain. Steroids, eCBs, and related lipids were quantified by liquid chromatography-tandem mass spectrometry (LC-MS/MS). Tumor necrosis factor alpha, IL-8, PAPP-A, PP14, RANTES, OPG, MIDKINE, MCP-1, VEGF, leptin, and defensins were quantified by ELISA. We found that eCB levels were significantly influenced by both noncyclic and cyclic abdominal pain. Specifically, women suffering from noncyclic abdominal pain were characterized by a higher 2-AG level in the peritoneal fluid throughout the menstrual cycle, whereas women suffering from dysmenorrhea had higher 2-AG levels and lower AEA levels during the proliferative phase alone. In addition, 2-AG positively correlated with prostaglandin E2 (PGE2), and the ratio AEA/2-AG positively correlated with defensins, suggesting a possible link between endocannabinoids system and inflammatory pain. The results of the current study indicate that the eCB system may play a role in endometriosis-associated pain, but additional studies are needed to investigate the causal relationship.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Faculty Institutions > NCCR TransCure
04 Faculty of Medicine > Pre-clinic Human Medicine > Institute of Biochemistry and Molecular Medicine
04 Faculty of Medicine > Pre-clinic Human Medicine > BioMedical Research (DBMR)
04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Gynaecology
04 Faculty of Medicine > Pre-clinic Human Medicine > BioMedical Research (DBMR) > DBMR Forschung Mu35 > Forschungsgruppe Endometriose und gynäkologische Onkologie
04 Faculty of Medicine > Pre-clinic Human Medicine > BioMedical Research (DBMR) > DBMR Forschung Mu35 > Forschungsgruppe Endometriose und gynäkologische Onkologie

04 Faculty of Medicine > Pre-clinic Human Medicine > BioMedical Research (DBMR) > Unit Childrens Hospital > Forschungsgruppe Endometrium & Ovar

UniBE Contributor:

Andrieu, Thomas; Chicca, Andrea; Pellegata, Daniele; Bersinger, Nick A.; Imboden, Sara; Nirgianakis, Konstantinos; Gertsch, Jürg and Mueller, Michael

Subjects:

600 Technology > 610 Medicine & health
500 Science > 570 Life sciences; biology

ISSN:

0304-3959

Publisher:

Elsevier

Language:

English

Submitter:

Barbara Järmann-Bangerter

Date Deposited:

09 Sep 2021 10:01

Last Modified:

09 Sep 2021 10:01

Publisher DOI:

10.1097/j.pain.0000000000002333

PubMed ID:

34001768

BORIS DOI:

10.48350/158329

URI:

https://boris.unibe.ch/id/eprint/158329

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