Evidence map›Paper›PMID 15531637›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2004

Estrogen prevents bone loss through transforming growth factor beta signaling in T cells.

Yuhao Gao, Wei-Ping Qian, Kimberly Dark, Gianluca Toraldo, Angela S P Lin, Robert E Guldberg, Richard A Flavell, M Neale Weitzmann, Roberto Pacifici

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 61 papers.

0numbers the graph read from it
0cells of the map it votes in
61citing papers in PubMed
6.2field-weighted citation impact, top 3% 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

61 citing papers in PubMed, 177 citations in OpenAlex.

  1. Inflammatory responses improve with milk ribonuclease-enriched lactoferrin supplementation in postmenopausal women.Inflammation research : official journal of the European Histamine Research Society ... [et al.] · 2010
    Trial
  2. Letrozole in the extended adjuvant setting: MA.17.Breast cancer research and treatment · 2007
    Trial
  3. Review
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  5. Article
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  8. Advances on T cell immunity in bone remodeling and bone regeneration.Zhejiang da xue xue bao. Yi xue ban = Journal of Zhejiang University. Medical sciences · 2024
    Review
  9. Article
  10. Review
  11. Article
  12. Review
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1 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors at 3 institutions in 1 country.

Yuhao GaoDivision of Endocrinology, Metabolism and Lipids, Emory University School of Medicine, Atlanta, GA 30322, USA.
Wei-Ping Qian
Kimberly Dark
Gianluca Toraldo
Angela S P Lin
Robert E Guldberg
Richard A Flavell
M Neale Weitzmann
Roberto Pacifici
Emory University · USGeorgia Institute of Technology · USHoward Hughes Medical Institute · US

Funding

Regulation of T Cell TNF ProductionR01AR049659 · NIAMS · EMORY UNIVERSITY · PI PACIFICI, ROBERTO · 2002 to 2012
$2.8M
IL-1 RECEPTOR ANTA IN OVARRIECTOMY INDUCED BONE LOSSR01AR041412 · NIAMS · JEWISH HOSPITAL OF SAINT LOUIS · PI PACIFICI, ROBERTO · 1991 to 2004
$1.4M
ESTROGEN REGULATION OF MONOCYTE TNF PRODUCTIONR01DK055746 · NIDDK · EMORY UNIVERSITY · PI PACIFICI, ROBERTO · 2000 to 2004
$1.1M
NIAMS NIH HHS AR 41412NIAMS NIH HHS AR 49659NIAMS NIH HHS R01 AR041412NIAMS NIH HHS R01 AR049659NIDDK NIH HHS DK 055746NIDDK NIH HHS R01 DK055746
6 · The paper itself

Abstract

Estrogen (E) deficiency leads to an expansion of the pool of tumor necrosis factor (TNF)-producing T cells through an IFN-gamma-dependent pathway that results in increased levels of the osteoclastogenic cytokine TNF in the bone marrow. Disregulated IFN-gamma production is instrumental for the bone loss induced by ovariectomy (ovx), but the responsible mechanism is unknown. We now show that mice with T cell-specific blockade of type beta transforming growth factor (TGFbeta) signaling are completely insensitive to the bone-sparing effect of E. This phenotype results from a failure of E to repress IFN-gamma production, which, in turn, leads to increased T cell activation and T cell TNF production. Furthermore, ovx blunts TGFbeta levels in the bone marrow, and overexpression of TGFbeta in vivo prevents ovx-induced bone loss. These findings demonstrate that E prevents bone loss through a TGFbeta-dependent mechanism, and that TGFbeta signaling in T cells preserves bone homeostasis by blunting T cell activation. Thus, stimulation of TGFbeta production in the bone marrow is a critical "upstream" mechanism by which E prevents bone loss, and enhancement of TGFbeta levels in vivo may constitute a previously undescribed therapeutic approach for preventing bone loss.

Indexed as

AnimalsAntigen PresentationBase SequenceBone DevelopmentBone ResorptionCell DivisionEstrogensFemaleGene SilencingInterferon-gammaLymphocyte ActivationMacrophagesMiceMice, Inbred C57BLMice, NudeMice, TransgenicEstrogensInterferon-gammaMHC class II transactivator proteinNuclear ProteinsProtein Serine-Threonine KinasesReceptors, Transforming Growth Factor betaReceptor, Transforming Growth Factor-beta Type IIRNA, MessengerTrans-ActivatorsTransforming Growth Factor beta

Identifiers

PMID15531637
PMCPMC534514
OpenAlexW2169844701

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.