Evidence map›Paper›PMID 11927618›Full record

ArticleThe Journal of clinical investigation2002

Hypothalamic Y2 receptors regulate bone formation.

Paul A Baldock, Amanda Sainsbury, Michelle Couzens, Ronaldo F Enriquez, Gethin P Thomas, Edith M Gardiner, Herbert Herzog

Open access · greenAbstract read
In one paragraph

Article in The Journal of clinical investigation, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 155 papers.

0numbers the graph read from it
0cells of the map it votes in
155citing papers in PubMed
7.8field-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

155 citing papers in PubMed, 393 citations in OpenAlex.

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  6. Brain-Bone Axis in Physiological and Pathological Conditions.International journal of molecular sciences · 2025
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  8. Characterization of [ACS pharmacology & translational science · 2025
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95 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

7 authors at 1 institution in 1 country.

Paul A BaldockBone and Mineral Program, Garvan Institute of Medical Research, St. Vincent's Hospital, Sydney, Australia.
Amanda Sainsbury
Michelle Couzens
Ronaldo F Enriquez
Gethin P Thomas
Edith M Gardiner
Herbert Herzog
Garvan Institute of Medical Research · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Neuropeptide Y (NPY) is a downstream modulator of leptin action, possibly at the level of the arcuate nucleus where NPY neurons are known to express both leptin receptors and Y2 receptors. In addition to the well-described role of NPY and leptin in energy balance and obesity, intracerebroventricular administration of NPY or leptin also causes bone loss. Here we show that Y2 receptor-deficient mice have a twofold increase in trabecular bone volume as well as greater trabecular number and thickness compared with control mice. We also demonstrate that central Y2 receptors are crucial for this process, since selective deletion of hypothalamic Y2 receptors in mature conditional Y2 knockout mice results in an identical increase in trabecular bone volume within 5 weeks. This hypothalamus-specific Y2 receptor deletion stimulates osteoblast activity and increases the rate of bone mineralization and formation, with no effect on osteoblast or osteoclast surface measurements. The lack of any changes in plasma total calcium, leptinemia, or hypothalamo-pituitary-corticotropic, -thyrotropic, -somatotropic, or -gonadotropic output suggests that Y2 receptors do not modulate bone formation by humoral mechanisms, and that alteration of autonomic function through hypothalamic Y2 receptors may play a key role in a major central regulatory circuit of bone formation.

Indexed as

Bone DevelopmentAnimalsBone and BonesFemaleFemurHypothalamusMaleMiceMice, Inbred C57BLMice, KnockoutReceptors, Neuropeptide Yneuropeptide Y2 receptorReceptors, Neuropeptide Y

Identifiers

PMID11927618
PMCPMC150931
OpenAlexW2125354005

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.