Endometriosis-Associated Pain – Do Preclinical Rodent Models Provide a Good Platform for Translation?
Rodent models replicate key pain mechanisms in endometriosis, but limited lesion types and evoked pain tests restrict translation, necessitating improved models and spontaneous pain measurements.
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This review assesses evidence on whether mechanisms such as different lesion subtypes, extra-uterine bleeding, and neuropathic pathways explain the complex, heterogeneous pelvic pain experienced by women with endometriosis, focusing on preclinical rodent studies. It summarizes rodent endometriosis models that use behavioral pain endpoints (evoked and non-evoked), highlighting replication of mechanisms including lesion innervation, immune-cell pronociceptive molecules activating nerves, and estrogen’s modulation of hyperalgesia, with some models showing spinal cord and brain changes resembling patient-reported changes. The paper’s main limitation is that many studies rely on models producing only superficial lesions and use mostly induced (evoked) pain tests, which may restrict translation. This paper is centrally about endometriosis—specifically evaluating how well preclinical rodent models capture endometriosis-associated pain and where they fall short for translation.
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Cited by (10)
- Induction of Endometriosis in a Menstruating Mouse Model (Mus musculus): A Translational Animal Disease Model 2025
- WERF Endometriosis Phenome and Biobanking Harmonisation Project for Experimental Models in Endometriosis Research (EPHect-EM-Pain): methods to assess pain behaviour in rodent models of endometriosis 2025
- Investigating endometriosis development and endometriosis-related pain over time and in relation to estrogen in a laparoscopic mouse model 2024
- Unveiling the fibrotic puzzle of endometriosis: An overlooked concern calling for prompt action 2024
- Unveiling the fibrotic puzzle of endometriosis: An overlooked concern calling for prompt action 2024
- Managing the neuroinflammatory pain of endometriosis in light of chronic pelvic pain 2024
- Pre-clinical Models of Endometriosis: A Focus on Chronic Pain 2023
- Identification of Altered Evoked and Non-Evoked Responses in a Heterologous Mouse Model of Endometriosis-Associated Pain 2022
- Molecular and Biochemical Mechanism of Cannabidiol in the Management of the Inflammatory and Oxidative Processes Associated with Endometriosis 2022
- Bioluminescent imaging in induced mouse models of endometriosis reveals differences in four model variations 2021
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