Evidence map›Paper›PMID 27689017›Full record

ArticleMolecular metabolism2016

Osteocalcin is necessary and sufficient to maintain muscle mass in older mice.

Paula Mera, Kathrin Laue, Jianwen Wei, Julian Meyer Berger, Gerard Karsenty

Erratum issuedAbstract read
In one paragraph

Article in Molecular metabolism, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 135 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
135citing papers in PubMed, 2 pooled it
–field-weighted citation impact
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

135 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. The effect of exercise training on osteocalcin, adipocytokines, and insulin resistance: a systematic review and meta-analysis of randomized controlled trials.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2021
    Pooled it
  3. Comparison of cheese with and withoutJournal of the International Society of Sports Nutrition · 2025
    Trial
  4. Trial
  5. Review
  6. Article
  7. High prevalence of sarcopenia, osteoporosis and osteosarcopenia in patients with chronic kidney disease compared with healthy controls.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2026
    Article
  8. Review
  9. Review
  10. Review
  11. Review
  12. Review
  13. Physical Activity, Exerkines, and Their Role in Cancer Cachexia.International journal of molecular sciences · 2025
    Review
  14. Article
  15. Bone-muscle interactions.Osteoporosis and sarcopenia · 2025
    Review
  16. Bone and muscle crosstalk in ageing and disease.Nature reviews. Endocrinology · 2025
    Review
  17. Review
  18. Article
  19. Article
  20. Article

75 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors.

Paula MeraDepartment of Genetics and Development, Columbia University Medical Center, New York, NY 10032, USA.
Kathrin LaueDepartment of Genetics and Development, Columbia University Medical Center, New York, NY 10032, USA.
Jianwen WeiDepartment of Genetics and Development, Columbia University Medical Center, New York, NY 10032, USA.
Julian Meyer BergerDepartment of Genetics and Development, Columbia University Medical Center, New York, NY 10032, USA.
Gerard KarsentyDepartment of Genetics and Development, Columbia University Medical Center, New York, NY 10032, USA. Electronic address: gk2172@cumc.columbia.edu.

Funding

Transcriptomic CoreP01AG032959 · NIA · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI Gerard Karsenty · 2010 to 2026
$39.7M
Regulation of Cbfal function by TwistR01AR045548 · NIAMS · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI KARSENTY, GERARD · 1998 to 2012
$4.6M
Columbia University Graduate Training Program in Microbiology and ImmunologyT32AI106711 · NIAID · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI Nicholas Arpaia, Uttiya Basu · 2014 to 2026
$2.1M
Regulation of Glucose Uptake in Osteoblasts by Runx2R01DK104727 · NIDDK · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI KARSENTY, GERARD · 2015 to 2019
$1.8M
NIAID NIH HHS T32 AI106711NIAMS NIH HHS R01 AR045548NIA NIH HHS P01 AG032959NIDDK NIH HHS R01 DK104727
6 · The paper itself

Abstract

objectiveA decrease in muscle protein turnover and therefore in muscle mass is a hallmark of aging. Because the circulating levels of the bone-derived hormone osteocalcin decline steeply during aging in mice, monkeys and humans we asked here whether this hormone might regulate muscle mass as mice age.

methodsWe examined muscle mass and strength in mice lacking osteocalcin (Ocn-/-) or its receptor in all cells (Gprc6a-/-) or specifically in myofibers (Gprc6a Mck -/-) as well as in 9 month-old WT mice receiving exogenous osteocalcin for 28 days. We also examined protein synthesis in WT and Gprc6a-/- mouse myotubes treated with osteocalcin.

resultsWe show that osteocalcin signaling in myofibers is necessary to maintain muscle mass in older mice in part because it promotes protein synthesis in myotubes without affecting protein breakdown. We further show that treatment with exogenous osteocalcin for 28 days is sufficient to increase muscle mass of 9-month-old WT mice.

conclusionThis study uncovers that osteocalcin is necessary and sufficient to prevent age-related muscle loss in mice.

Indexed as

AgingMuscle massOsteocalcin

Identifiers

PMID27689017
PMCPMC5034485

What OpenQuestion holds

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LicenceCC BY-NC-ND
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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.