Evidence map›Paper›PMID 27162542›Full record

ArticleJournal of Cancer2016

The Reduction in Circulating Melatonin Level May Contribute to the Pathogenesis of Ovarian Cancer: A Retrospective Study.

Min Zhao, Jiayi Wan, Ke Zeng, Mancy Tong, Arier C Lee, Jinxin Ding, Qi Chen

Open access · goldAbstract read
In one paragraph

Article in Journal of Cancer, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed, 2 pooled it
2.6field-weighted citation impact, top 11% 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

29 citing papers in PubMed, 2 syntheses or guidelines pooled it, 50 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
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  9. Article
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    Article
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  12. World journal of gastroenterology · 2021
    Article
  13. Article
  14. Article
  15. Insects · 2021
    Article
  16. Review
  17. Review
  18. Article
  19. Melatonin: an endogenous miraculous indolamine, fights against cancer progression.Journal of cancer research and clinical oncology · 2020
    Review
  20. 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

7 authors at 5 institutions in 2 countries.

Min Zhao1. Wuxi Maternity and Children Health Hospital, Nanjing Medical University, China;
Jiayi Wan2. Department of Pathology, Wuxi No 2 People' Hospital, Nanjing Medical University, China;
Ke Zeng3. Department of Orthopaedics, Wuxi No 2 People' Hospital, Nanjing Medical University, China.
Mancy Tong4. Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand;
Arier C Lee5. Section of Epidemiology and Biostatistics, School of Population Health, The University of Auckland, New Zealand.
Jinxin Ding6. The Hospital of Obstetrics & Gynaecology, Fudan University, China.
Qi Chen4. Department of Obstetrics & Gynaecology, The University of Auckland, New Zealand;; 6. The Hospital of Obstetrics & Gynaecology, Fudan University, China.
Obstetrics and Gynecology Hospital of Fudan University · CNUniversity of Auckland · NZNanjing Maternity and Child Health Care Hospital · CNNanjing Medical University · CNWuxi No.2 People's Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Ovarian cancer is the third most common gynaecological malignancy. Changes in circadian rhythms such as bright light exposure may affect female reproductive physiology. Night shift work is associated with higher risks of developing gynaecological cancers. In addition, the season of birth is also suggested as an important environmental risk factor for developing gynaecological cancers. Melatonin may play an important role in this association as a marker of circadian rhythms. Serum from 96 women with ovarian cancer and 40 healthy women were collected and the level of melatonin was measured. In addition 277 women with ovarian cancer and 1076 controls were retrospectively collected for season of birth analysis over seven years. The serum levels of melatonin were significantly lower in women with ovarian cancer compared with healthy women (p<0.05). However there was no difference in melatonin levels in perimenopausal and postmenopausal patients. In addition, there is no statistically significant difference in seasonal distribution of birth between ovarian cancer patients and the control group. The melatonin levels in ovarian cancer patients and controls were not associated with the season of birth. Our results demonstrate the lower serum levels of melatonin in ovarian cancer patients which may contribute to the pathogenesis of ovarian cancer. The incidence of ovarian cancer was not associated with the season of birth. The serum levels of melatonin do not appear to be associated with season of birth in ovarian cancer patients.

Indexed as

melatoninmenopause.ovarian cancerseason of birth

Identifiers

PMID27162542
PMCPMC4860800
OpenAlexW2389861296

What OpenQuestion holds

Textmetadata
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.