Evidence map›Paper›PMID 30186573›Full record

ArticleIranian journal of basic medical sciences2018

Di-(2-ethylhexyl) phthalate induces precocious puberty in adolescent female rats.

Te Liu, Yuzhuo Wang, Modi Yang, Pu Shao, Lian Duan, Meng Li, Mingji Zhu, Jie Yang, Jinlan Jiang

Open access · greenAbstract read
In one paragraph

Article in Iranian journal of basic medical sciences, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
2.1field-weighted citation impact, top 15% 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

13 citing papers in PubMed, 35 citations in OpenAlex.

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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

9 authors at 2 institutions in 1 country.

Te LiuScientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, 130033, China.
Yuzhuo WangDepartment of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun, 130021, China.
Modi YangDepartment of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun 130033, China.
Pu ShaoScientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, 130033, China.
Lian DuanScientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, 130033, China.
Meng LiScientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, 130033, China.
Mingji ZhuDepartment of Dermatological, China-Japan Union Hospital of Jilin University, Changchun, 130033, China.
Jie YangDepartment of Endocrinology, China-Japan Union Hospital of Jilin University, Changchun, 130033, China.
Jinlan JiangScientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, 130033, China.
Union Hospital · CNJilin University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesNowadays, Di-(2-ethylhexyl) phthalate (DEHP) is widely used in different kinds of commercial products as a plasticizer. Previous studies have revealed that exposures to DEHP could be associated with precocious puberty in teenagers, but the exact mechanism is yet to be known. MATERIALS AND

methodsIn this study, 48 prepubertal Wistar female rats were randomly apportioned into 4 groups and orally treated with 0, 250, 500, and 1000 mg/kg/d DEHP from postnatal day 21 up to 4 weeks. Subsequently, we examined the indicators related to the initiation of sexual development.

resultsDEHP was able to shorten the vaginal opening time and prolong the estrous cycles of female rats. IGF-1 expression was significantly upregulated by 1000 mg/kg/d DEHP in the hypothalamus, and the hypothalamic, as well as serum levels of GH, were also upregulated by DEHP. It also caused decrements in serum levels of FSH, LH, and T and the increment in level of progesterone. Meanwhile, DEHP was able to exert its effect on the mRNA and protein expression levels of Kiss-1, GPR54, and GnRH in the hypothalamus in pubertal female rats.

conclusionThese findings are revealing that DEHP exposure more likely causes imbalances of hypothalamus functioning in pubertal female rats and thus induces precautious puberty in these animals.

Indexed as

Di-(2-ethylhexyl) phthalateFemaleHypothalamusPrecocious pubertyReproductive

Identifiers

PMID30186573
PMCPMC6118085
OpenAlexW2808664359

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

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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.