Evidence map›Paper›PMID 29199192›Full record

ArticleJournal of musculoskeletal & neuronal interactions2017

Alterations to maternal cortical and trabecular bone in multiparous middle-aged mice.

A Gu, R Sellamuthu, E Himes, P J Childress, L M Pelus, C M Orschell, M A Kacena

Abstract read
In one paragraph

Article in Journal of musculoskeletal & neuronal interactions, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
0.2field-weighted citation impact, top 40% 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

1 citing paper in PubMed, 2 citations in OpenAlex.

  1. 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 3 institutions in 2 countries.

A GuGeorge Washington School of Medicine and Health Sciences, 2300 Eye Street NW, Washington DC 20037.
R Sellamuthu
E Himes
P J Childress
L M Pelus
C M Orschell
M A Kacena
Indiana University – Purdue University Indianapolis · USBipar · FRPalmetto Hematology Oncology · US

Funding

REGULATION OF HEMATOPOIETIC CELL PRODUCTIONT32DK007519 · NIDDK · INDIANA UNIV-PURDUE UNIV AT INDIANAPOLIS · PI KAPLAN, MARK H · 1986 to 2020
$7.1M
A megakaryocyte/PGE2/osteoblast triad in the normal and aged nicheR01AG046246 · NIA · INDIANA UNIVERSITY INDIANAPOLIS · PI KACENA, MELISSA A, PELUS, LOUIS M · 2013 to 2017
$1.1M
NIA NIH HHS R01 AG046246NIDDK NIH HHS T32 DK007519
6 · The paper itself

Abstract

objectivesDuring the reproductive cycle, altered calcium homeostasis is observed due to variable demand for mineral requirements. This results in increased bone resorption during the time period leading up to parturition and subsequent lactation. During lactation, women will lose 1-3% of bone mineral density per month, which is comparable to the loss experienced on an annual basis post-menopausal. The purpose of this study was to determine the effect of parity on bone formation in middle-aged mice.

methodsMice were mated and grouped by number of parity and compared with age matched nulliparous controls. Measurements were taken of femoral trabecular and cortical bone. Calcium, protein and alkaline phosphatase levels were also measured.

resultsAn increase in trabecular bone mineral density was observed when comparing mice that had undergone parity once to the nulliparous control. An overall decrease in trabecular bone mineral density was observed as parity increased from 1 to 5 pregnancies. No alteration was seen in cortical bone formation. No difference was observed when calcium, protein and alkaline phosphatase levels were assessed.

conclusionsThis study demonstrates that number of parity has an impact on trabecular bone formation in middle-aged mice, with substantial changes in bone density seen among the parous groups.

Indexed as

ParityAnimalsBone and BonesBone DensityFemaleMiceMice, Inbred C57BLPregnancy

Identifiers

PMID29199192
PMCPMC5749039
OpenAlexW2785264155

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.