Evidence map›Paper›PMID 28419209›Full record

ArticleEndocrinology2017

Estrogen Deficiency Exacerbates Type 1 Diabetes-Induced Bone TNF-α Expression and Osteoporosis in Female Mice.

Sandi Raehtz, Hayley Bierhalter, Daniel Schoenherr, Narayanan Parameswaran, Laura R McCabe

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 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
1.7field-weighted citation impact, top 16% 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

30 citing papers in PubMed, 55 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

5 authors at 1 institution in 1 country.

Sandi RaehtzDepartment of Physiology, Michigan State University, East Lansing, Michigan 48824.
Hayley BierhalterDepartment of Physiology, Michigan State University, East Lansing, Michigan 48824.
Daniel SchoenherrDepartment of Physiology, Michigan State University, East Lansing, Michigan 48824.
Narayanan ParameswaranDepartment of Physiology, Michigan State University, East Lansing, Michigan 48824.
Laura R McCabeDepartment of Physiology, Michigan State University, East Lansing, Michigan 48824.
Michigan State University · US

Funding

Regional Pilot And Feasibility Study Grants ProgramP30DK020572 · NIDDK · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI Mehboob A Hussain · 2013 to 2026
$24.3M
Mechanistic basis of probiotic prevention of osteoporosisR01AT007695 · NCCIH · MICHIGAN STATE UNIVERSITY · PI BRITTON, ROBERT A, MCCABE, LAURA R · 2013 to 2017
$2.2M
The Role of the Gut and Bone Microenvironment in T1D Bone LossR01DK101050 · NIDDK · MICHIGAN STATE UNIVERSITY · PI MCCABE, LAURA R, PARAMESWARAN, NARAYANAN · 2014 to 2016
$1.1M
NCCIH NIH HHS R01 AT007695NIDDK NIH HHS P30 DK020572NIDDK NIH HHS R01 DK101050
6 · The paper itself

Abstract

Estrogen deficiency after menopause is associated with rapid bone loss, osteoporosis, and increased fracture risk. Type 1 diabetes (T1D), characterized by hypoinsulinemia and hyperglycemia, is also associated with bone loss and increased fracture risk. With better treatment options, T1D patients are living longer; therefore, the number of patients having both T1D and estrogen deficiency is increasing. Little is known about the mechanistic impact of T1D in conjunction with estrogen deficiency on bone physiology and density. To investigate this, 11-week-old mice were ovariectomized (OVX), and T1D was induced by multiple low-dose streptozotocin injection. Microcomputed tomographic analysis indicated a marked reduction in trabecular bone volume fraction (BVF) in T1D-OVX mice (~82%) that was far greater than the reductions (~50%) in BVF in either the OVX and T1D groups. Osteoblast markers, number, and activity were significantly decreased in T1D-OVX mice, to a greater extent than either T1D or OVX mice. Correspondingly, marrow adiposity was significantly increased in T1D-OVX mouse bone. Bone expression analyses revealed that tumor necrosis factor (TNF)-α levels were highest in T1D-OVX mice and correlated with bone loss, and osteoblast and osteocyte death. In vitro studies indicate that estrogen deficiency and high glucose enhance TNF-α expression in response to inflammatory signals. Taken together, T1D combined with estrogen deficiency has a major effect on bone inflammation, which contributes to suppressed bone formation and osteoporosis. Understanding the mechanisms/effects of estrogen deficiency in the presence of T1D on bone health is essential for fracture prevention in this patient population.

Indexed as

Osteoporosis, PostmenopausalAnimalsBone and BonesCells, CulturedDiabetes Mellitus, Type 1Disease ProgressionEstradiolFemaleHumansMenopauseMiceMice, Inbred BALB COvariectomyTumor Necrosis Factor-alphaEstradiolTumor Necrosis Factor-alpha

Identifiers

PMID28419209
PMCPMC5505215
OpenAlexW2607114618

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.