Evidence map›Paper›PMID 37957603›Full record

ArticleThe journal of headache and pain2023

Progesterone distribution in the trigeminal system and its role to modulate sensory neurotransmission: influence of sex.

Aida Maddahi, Karin Warfvinge, Anja Holm, Jacob C A Edvinsson, Philip Victor Reducha, Spyridoula Kazantzi, Kristian A Haanes, Lars Edvinsson

Open access · goldAbstract read
In one paragraph

Article in The journal of headache and pain, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
2.7field-weighted citation impact, top 9% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed, 17 citations in OpenAlex.

  1. Article
  2. Hypothalamic and sex-related hormones in migraine.The journal of headache and pain · 2026
    Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Review
  10. Article
  11. Review
  12. Migraine in men.The journal of headache and pain · 2025
    Review
  13. Article
  14. Article
  15. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 5 institutions in 2 countries.

Aida MaddahiDivision of Experimental Vascular Research, Department of Clinical Sciences, Lund University Hospital, Lund, Sweden. Aida.maddahi@med.lu.se.
Karin WarfvingeDepartment of Clinical Experimental Research, Glostrup Research Institute, Copenhagen University Hospital, Rigshospitalet Glostrup, Copenhagen, Denmark.
Anja HolmDepartment of Clinical Experimental Research, Glostrup Research Institute, Copenhagen University Hospital, Rigshospitalet Glostrup, Copenhagen, Denmark.
Jacob C A EdvinssonDivision of Experimental Vascular Research, Department of Clinical Sciences, Lund University Hospital, Lund, Sweden.
Philip Victor ReduchaDepartment of Clinical Experimental Research, Glostrup Research Institute, Copenhagen University Hospital, Rigshospitalet Glostrup, Copenhagen, Denmark.
Spyridoula KazantziDepartment of Clinical Experimental Research, Glostrup Research Institute, Copenhagen University Hospital, Rigshospitalet Glostrup, Copenhagen, Denmark.
Kristian A HaanesDepartment of Clinical Experimental Research, Glostrup Research Institute, Copenhagen University Hospital, Rigshospitalet Glostrup, Copenhagen, Denmark.
Lars EdvinssonDivision of Experimental Vascular Research, Department of Clinical Sciences, Lund University Hospital, Lund, Sweden.
Copenhagen University Hospital · DKLund University · SEAalborg University · DKGlostrup Hospital · DKRigshospitalet · DK

Funding

Lundbeck foundation Fellowship R345-2020-1977
6 · The paper itself

Abstract

backgroundWomen are disproportionately affected by migraine, representing up to 75% of all migraine cases. This discrepancy has been proposed to be influenced by differences in hormone levels between the sexes. One such hormone is progesterone. Calcitonin gene-related peptide (CGRP) system is an important factor in migraine pathophysiology and could be influenced by circulating hormones. The purpose of this study was to investigate the distribution of progesterone and its receptor (PR) in the trigeminovascular system, and to examine the role of progesterone to modulate sensory neurotransmission.

methodsTrigeminal ganglion (TG), hypothalamus, dura mater, and the basilar artery from male and female rats were carefully dissected. Expression of progesterone and PR proteins, and mRNA levels from TG and hypothalamus were analyzed by immunohistochemistry and real-time quantitative PCR. CGRP release from TG and dura mater were measured using an enzyme-linked immunosorbent assay. In addition, the vasomotor effect of progesterone on male and female basilar artery segments was investigated with myography.

resultsProgesterone and progesterone receptor -A (PR-A) immunoreactivity were found in TG. Progesterone was located predominantly in cell membranes and in Aδ-fibers, and PR-A was found in neuronal cytoplasm and nucleus, and in satellite glial cells. The number of positive progesterone immunoreactive cells in the TG was higher in female compared to male rats. The PR mRNA was expressed in both hypothalamus and TG; however, the PR expression level was significantly higher in the hypothalamus. Progesterone did not induce a significant change neither in basal level nor upon stimulated release of CGRP from dura mater or TG in male or female rats when compared to the vehicle control. However, pre-treated with 10 µM progesterone weakly enhanced capsaicin induced CGRP release observed in the dura mater of male rats. Similarly, in male basilar arteries, progesterone significantly amplified the dilation in response to capsaicin.

conclusionsIn conclusion, these results highlight the potential for progesterone to modulate sensory neurotransmission and vascular responses in a complex manner, with effects varying by sex, tissue type, and the nature of the stimulus. Further investigations are needed to elucidate the underlying mechanisms and physiological implications of these findings.

Indexed as

Calcitonin Gene-Related PeptideMigraine DisordersAnimalsCapsaicinFemaleHumansMaleProgesteroneRatsRats, Sprague-DawleyRNA, MessengerTrigeminal GanglionCalcitonin Gene-Related PeptideCapsaicinProgesteroneRNA, MessengerCGRPDura matterMigraineProgesteroneProgesterone receptorTrigeminal ganglion

Identifiers

PMID37957603
PMCPMC10644471
OpenAlexW4388648490

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.