Evidence map›Paper›PMID 22923429›Full record

ReviewThe journals of gerontology. Series A, Biological sciences and medical sciences2013

Pathogenesis of age-related bone loss in humans.

Sundeep Khosla

Open access · bronzeAbstract readReview
In one paragraph

Review in The journals of gerontology. Series A, Biological sciences and medical sciences, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 126 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
126citing papers in PubMed, 2 pooled it
6.6field-weighted citation impact, top 2% 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

126 citing papers in PubMed, 2 syntheses or guidelines pooled it, 217 citations in OpenAlex.

  1. Pooled it
  2. The effect of physical exercise on bone density in middle-aged and older men: a systematic review.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2013
    Pooled it
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66 more citing papers are in PubMed but not listed here.

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

1 author at 1 institution in 1 country.

Sundeep KhoslaGuggenheim 7 , College of Medicine, Mayo Clinic, 200 First Street SW, Rochester, Minnesota 55905. khosla.sundeep@mayo.edu.
Mayo Clinic · US

Funding

SEX STEROIDS, GROWTH FACTORS, &BONE CELL FUNCTIONP01AG004875 · NIA · MAYO CLINIC ROCHESTER · PI MONROE, DAVID G · 1985 to 2019
$30.8M
EPIDEMIOLOGY OF AGE-RELATED BONE LOSS, &FRACTURESR01AR027065 · NIAMS · MAYO CLINIC ROCHESTER · PI AMIN, SHREYASEE, KHOSLA, SUNDEEP · 1986 to 2020
$14.9M
Vascular /Inflammatory Predictors of MCI Risk /ProgressiK01AG028573 · NIA · MAYO CLINIC ROCHESTER · PI ROBERTS, ROSEBUD O · 2006 to 2008
$351k
NIAMS NIH HHS AR027065NIAMS NIH HHS R01 AR027065NIA NIH HHS AG004875NIA NIH HHS K01 AG028573NIA NIH HHS P01 AG004875
6 · The paper itself

Abstract

backgroundAlthough data from rodent systems are extremely useful in providing insights into possible mechanisms of age-related bone loss, concepts evolving from animal models need to ultimately be tested in humans.

methodsThis review provides an update on mechanisms of age-related bone loss in humans based on the author's knowledge of the field and focused literature reviews.

resultsNovel imaging, experimental models, biomarkers, and analytic techniques applied directly to human studies are providing new insights into the patterns of bone mass acquisition and loss as well as the role of sex steroids, in particular estrogen, on bone metabolism and bone loss with aging in women and men. These studies have identified the onset of trabecular bone loss at multiple sites that begins in young adulthood and remains unexplained, at least based on current paradigms of the mechanisms of bone loss. In addition, estrogen appears to be a major regulator of bone metabolism not only in women but also in men. Studies assessing mechanisms of estrogen action on bone in humans have identified effects of estrogen on RANKL expression by several different cell types in the bone microenvironment, a role for TNF-α and IL-1β in mediating effects of estrogen deficiency on bone, and possible regulation of the Wnt inhibitor, sclerostin, by estrogen.

conclusionsThere have been considerable advances in our understanding of age-related bone loss in humans. However, there are also significant gaps in knowledge, particularly in defining cell autonomous changes in bone in human studies to test or validate concepts emerging from studies in rodents. Decision Editor: Luigi Ferrucci, MD, PhD.

Indexed as

AnimalsBone and BonesBone DensityEstrogensFemaleGonadal Steroid HormonesHumansMaleMenopauseOsteoporosisOsteoporosis, PostmenopausalRANK LigandEstrogensGonadal Steroid HormonesRANK LigandTNFSF11 protein, humanAging.BoneEstrogenOsteoporosis

Identifiers

PMID22923429
PMCPMC3826857
OpenAlexW2154934746

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.