Cited by 455Endometriosis Research and TreatmentPain Mechanisms and TreatmentsMenstrual Health and Disorders

The Pains of Endometriosis

Berkley, Karen J., Rapkin, Andrea J., Papka, Raymond E.·2005·Science

Abstract

Endometriosis is a disease defined by the presence of endometrial tissue outside of the uterus. Severe pelvic pain is often associated with endometriosis, and this pain can be diminished with therapies that suppress estrogen production. Many women with endometriosis also suffer from other chronic pain conditions. Recent studies suggest that mechanisms underlying these pains and sensitivity to estrogen involve the growth into the ectopic endometrial tissue of a nerve supply, which could have a varied and widespread influence on the activity of neurons throughout the central nervous system.

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Crossref · 10.1126/science.1111445

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20 of 20 references verified0 citation errors · 0 not checkable

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  • Sensory fibers whose branches innervate ectopic growths immunostain with antibodies to calcitonin gene-related peptide, indicating that CGRP-positive fibers include C-fiber nociceptors.

    “Sensory fibers whose branches innervate ectopic growths immunostain with antibodies to calcitonin gene-related peptide (CGRP) (Berkley et al., 2004(Berkley et al., , 2005)), indicating that the CGRP-positive fibers include C-fiber nociceptors (Snider and McMahon, 1998).”
  • The characteristics of the newly formed nerve supply of ectopic growths and two-way communication between the growths and the central nervous system contribute to the variable association between growths and pain.

    “characteristics of the ectopic growths' newly formed nerve supply and resultant two-way communication between the growths and CNS contribute to the variable association between the growths and pain”
  • Sensory and sympathetic fibers directly innervate ectopic endometrial growths in a rat model and in lesions from women.

    “Direct innervation of ectopic endometrial growths by sensory and sympathetic fibers was shown in endometriosis growths from a rat model (Berkley et al., 2004) and lesions from women (Berkley et al., 2005).”
  • Ectopic growths from ENDO rats and women with established endometriosis develop their own C-fiber (sensory afferent) and sympathetic nerve supply.

    “Our group discovered that ectopic growths harvested from ENDO rats and women with established endometriosis develop their own C-fiber (sensory afferent) and sympathetic (autonomic efferent) nerve supply.”
  • The nerve supply to ectopic growths is derived from nerve fibers innervating nearby territories that sprout branches into the growths.

    “The supply is derived from nerve fibers innervating nearby territories that sprout branches into the growths [10], [11].”

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Authors
Berkley, K. J., Rapkin, A. J., & Papka, R. E.
Affiliations
Florida State University (US)
Venue
Science
Published
2005-06-10
Volume
308
Issue
5728
Pages
1587-1589
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2068756641
Cited by
455
References
20
Citations by year
2026: 9 · 2025: 13 · 2024: 17 · 2023: 20 · 2022: 21 · 2021: 21 · 2020: 31 · 2019: 21 · 2018: 22 · 2017: 16 · 2016: 21 · 2015: 26 · 2014: 20 · 2013: 23 · 2012: 28
FWCI
24.18
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institute of Diabetes and Digestive and Kidney Diseases (R21DK063937)
  • National Institute of Neurological Disorders and Stroke (R01-NS-11892, R01 NS22526, R01NS022526, R01NS011892)
Topics
  • Health Sciences › Medicine › Reproductive Medicine › Endometriosis Research and Treatment
  • Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Menstrual Health and Disorders
Keywords
endometriosis, pelvic pain, chronic pain, estrogen sensitivity, ectopic endometrium, innervation, central nervous system neurons, pain mechanisms
MeSH terms
Animals, Central Nervous System, Endometriosis, Female, Humans, Gonadotropin-Releasing Hormone, Neural Pathways, Neurons, Neurons, Afferent, Pain, Spinal Cord, Sympathetic Nervous System, Rats

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