Evidence map›Paper›PMID 26055108›Full record

ReviewBone2016

New insights into the biology of osteocalcin.

Meredith L Zoch, Thomas L Clemens, Ryan C Riddle

Open access · greenAbstract readReview
In one paragraph

Review in Bone, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 283 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
283citing papers in PubMed, 1 pooled it
12.5field-weighted citation impact, top 1% 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

283 citing papers in PubMed, 1 synthesis or guideline pooled it, 601 citations in OpenAlex.

  1. Pooled it
  2. Comparison of cheese with and withoutJournal of the International Society of Sports Nutrition · 2025
    Trial
  3. Innate [European journal of nuclear medicine and molecular imaging · 2025
    Trial
  4. Acute Effects of Kisspeptin Administration on Bone Metabolism in Healthy Men.The Journal of clinical endocrinology and metabolism · 2022
    Trial
  5. Trial
  6. Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Bone as an endocrine regulator of lipid and energy metabolism.Reviews in endocrine & metabolic disorders · 2026
    Review
  14. Article
  15. Review
  16. Article
  17. Article
  18. Article
  19. Vitamin D and Mineral Ion Regulation.Advances in experimental medicine and biology · 2026
    Review
  20. Article

223 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

3 authors at 2 institutions in 1 country.

Meredith L ZochDepartment of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
Thomas L ClemensDepartment of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Baltimore Veterans Administration Medical Center, Baltimore, MD, USA.
Ryan C RiddleDepartment of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA; Baltimore Veterans Administration Medical Center, Baltimore, MD, USA. Electronic address: rriddle1@jhmi.edu.
United States Department of Veterans Affairs · USJohns Hopkins University · US

Funding

Training Program in Cellular and Molecular MedicineT32GM008752 · NIGMS · JOHNS HOPKINS UNIVERSITY · PI RAO, RAJINI · 2000 to 2019
$11.7M
JHU-UMD Diabetes Research CenterP30DK079637 · NIDDK · JOHNS HOPKINS UNIVERSITY · PI WONDISFORD, FREDRIC E. · 2013 to 2017
$9.7M
Regulation of Osteoblast Metabolism by Lrp5R01DK099134 · NIDDK · UNIVERSITY OF MARYLAND BALTIMORE · PI RIDDLE, RYAN C · 2013 to 2022
$3.4M
Biology of IGFs in BoneI01BX001234 · VA · BALTIMORE VA MEDICAL CENTER · PI CLEMENS, THOMAS L · 2011 to 2019
–
BLRD VA I01 BX001234NIDDK NIH HHS DK099134NIDDK NIH HHS P30 DK079637NIDDK NIH HHS R01 DK099134NIGMS NIH HHS T32 GM008752
6 · The paper itself

Abstract

Osteocalcin is among the most abundant proteins in bone and is produced exclusively by osteoblasts. Initially believed to be an inhibitor of bone mineralization, recent studies suggest a broader role for osteocalcin that extends to the regulation of whole body metabolism, reproduction, and cognition. Circulating undercarboxylated osteocalcin, which is regulated by insulin, acts in a feed-forward loop to increase β-cell proliferation as well as insulin production and secretion, while skeletal muscle and adipose tissue respond to osteocalcin by increasing their sensitivity to insulin. Osteocalcin also acts in the brain to increase neurotransmitter production and in the testes to stimulate testosterone production. At least one putative receptor for osteocalcin, Gprc6a, is expressed by adipose, skeletal muscle, and the Leydig cells of the testes and appears to mediate osteocalcin's effects in these tissues. In this review, we summarize these new discoveries, which suggest that the ability of osteocalcin to function both locally in bone and as a hormone depends on a novel post-translational mechanism that alters osteocalcin's affinity for the bone matrix and bioavailability. This article is part of a Special Issue entitled Bone and diabetes.

Indexed as

Adipose TissueAnimalsBiomarkersDiabetes MellitusEnergy MetabolismHumansInsulin ResistanceOsteoblastsOsteocalcinSignal TransductionBiomarkersOsteocalcinDiabetesMetabolismOsteoblastOsteocalcin

Identifiers

PMID26055108
PMCPMC4670816
OpenAlexW584794406

What OpenQuestion holds

Textmetadata
LicenceTDM
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.