Evidence map›Paper›PMID 27841948›Full record

ArticleEndocrinology2017

Obese Neuronal PPARγ Knockout Mice Are Leptin Sensitive but Show Impaired Glucose Tolerance and Fertility.

Marina O Fernandez, Shweta Sharma, Sun Kim, Emily Rickert, Katherine Hsueh, Vicky Hwang, Jerrold M Olefsky, Nicholas J G Webster

Open access · bronzeAbstract read
In one paragraph

Article in Endocrinology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
1.4field-weighted citation impact, top 21% 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

20 citing papers in PubMed, 24 citations in OpenAlex.

  1. Obesity Alters POMC and Kisspeptin Neuron Cross Talk Leading to Reduced Luteinizing Hormone in Male Mice.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2024
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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

8 authors at 1 institution in 1 country.

Marina O FernandezDepartment of Medicine, School of Medicine, and.
Shweta SharmaDepartment of Medicine, School of Medicine, and.
Sun KimDepartment of Medicine, School of Medicine, and.
Emily RickertDepartment of Medicine, School of Medicine, and.
Katherine HsuehDepartment of Medicine, School of Medicine, and.
Vicky HwangDepartment of Medicine, School of Medicine, and.
Jerrold M OlefskyDepartment of Medicine, School of Medicine, and.
Nicholas J G WebsterDepartment of Medicine, School of Medicine, and.
University of California, San Diego · US

Funding

VIRAL MALIGNANCYP30CA023100 · NCI · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI DIANE M SIMEONE · 1985 to 2026
$124.9M
Transgenic & Knock-out MouseP30DK063491 · NIDDK · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI PETER J TONTONOZ · 2003 to 2026
$40.4M
The Interaction of Neuroendocrine Repro. Function and Metabolic SignalingU54HD012303 · NICHD · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI MELLON, PAMELA L · 1999 to 2013
$18.0M
Transcriptional Genomics CoreP01DK074868 · NIDDK · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI GLASS, CHRISTOPHER K · 2007 to 2016
$16.6M
UCSD Biorepository Shared ResourceU54CA155435 · NCI · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI PATTERSON, RUTH E · 2011 to 2015
$9.1M
The Role of FSH in Female InfertilityP50HD012303 · NICHD · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI MELLON, PAMELA L · 1985 to 2020
$7.5M
INSULIN RECEPTORS AND THE GLUCOSE TRANSPORT SYSTEMR37DK033651 · NIDDK · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI OLEFSKY, JERROLD MICHAEL · 2000 to 2010
$6.1M
TRAINING IN REPRODUCTIVE SCIENCEST32HD007203 · NICHD · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI PAMELA L MELLON · 1988 to 2026
$4.8M
Time-Restricted Feeding and Breast CancerR01CA196853 · NCI · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI NICHOLAS J WEBSTER · 2016 to 2026
$3.3M
INSULIN RECEPTORS AND THE GLUCOSE TRANSPORT SYSTEMR01DK033651 · NIDDK · UNIVERSITY OF CALIFORNIA, SAN DIEGO · PI OLEFSKY, JERROLD MICHAEL · 1986 to 2013
$2.2M
GnRH signaling in LbetaT2 gonadotrope cellsR01HD047400 · NICHD · VETERANS MEDICAL RESEARCH FDN/SAN DIEGO · PI WEBSTER, NICHOLAS J · 2005 to 2009
$1.3M
PHOSPHOCALMODULIN AND INSULIN ACTIONF32DK009062 · NIDDK · BRIGHAM AND WOMEN'S HOSPITAL · PI JOYAL, JOHN LOUIS · 1994 to 1996
–
BLRD VA I01 BX000130NCI NIH HHS P30 CA023100NCI NIH HHS R01 CA196853NCI NIH HHS U54 CA155435NICHD NIH HHS P50 HD012303NICHD NIH HHS R01 HD047400NICHD NIH HHS T32 HD007203NICHD NIH HHS U54 HD012303NIDDK NIH HHS F32 DK009062NIDDK NIH HHS P01 DK074868NIDDK NIH HHS P30 DK063491NIDDK NIH HHS R01 DK033651NIDDK NIH HHS R37 DK033651
6 · The paper itself

Abstract

The peroxisome-proliferator activated receptor γ (PPARγ) is expressed in the hypothalamus in areas involved in energy homeostasis and glucose metabolism. In this study, we created a deletion of PPARγ brain-knockout (BKO) in mature neurons in female mice to investigate its involvement in metabolism and reproduction. We observed that there was no difference in age at puberty onset between female BKOs and littermate controls, but the BKOs gave smaller litters when mated and fewer oocytes when ovulated. The female BKO mice had regular cycles but showed an increase in the number of cycles with prolonged estrus. The mice also had increased luteinizing hormone (LH) levels during the LH surge and histological examination showed hemorrhagic corpora lutea. The mice were challenged with a 60% high-fat diet (HFD). Metabolically, the female BKO mice showed normal body weight, glucose and insulin tolerance, and leptin levels but were protected from obesity-induced leptin resistance. The neuronal knockout also prevented the reduction in estrous cycles due to the HFD. Examination of ovarian histology showed a decrease in the number of primary and secondary follicles in both genotypes due to the HFD, but the BKO ovaries showed an increase in the number of hemorrhagic follicles. In summary, our results show that neuronal PPARγ is required for optimal female fertility but is also involved in the adverse effects of diet-induced obesity by creating leptin resistance potentially through induction of the repressor Socs3.

Indexed as

FertilityAnimalsDiet, High-FatEstrous CycleFemaleGlucose Tolerance TestHemorrhageLeptinMaleMice, KnockoutNeuronsObesityOvaryPPAR gammaSexual MaturationSuppressor of Cytokine Signaling 3 ProteinLeptinPPAR gammaSocs3 protein, mouseSuppressor of Cytokine Signaling 3 Protein

Identifiers

PMID27841948
PMCPMC5412981
OpenAlexW2557209317

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.