Evidence map›Paper›PMID 33255760›Full record

ReviewNutrients2020

Vitamin K and Osteoporosis.

Maria Fusaro, Giuseppe Cianciolo, Maria Luisa Brandi, Serge Ferrari, Thomas L Nickolas, Giovanni Tripepi, Mario Plebani, Martina Zaninotto, Giorgio Iervasi, Gaetano La Manna and 7 more

Open access · goldAbstract readReview
In one paragraph

Review in Nutrients, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 82 papers, 4 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
82citing papers in PubMed, 4 pooled it
8.5field-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

82 citing papers in PubMed, 4 syntheses or guidelines pooled it, 122 citations in OpenAlex.

  1. Pooled it
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  17. Supplements for bone health.Archives of endocrinology and metabolism · 2025
    Review
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  20. Article

22 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

17 authors at 9 institutions in 4 countries.

Maria FusaroNational Research Council (CNR), Institute of Clinical Physiology (IFC), 56124 Pisa, Italy.ORCID 0000-0001-9478-4851
Giuseppe CiancioloDepartment of Experimental Diagnostic and Specialty Medicine (DIMES), Nephrology, Dialysis and Renal Transplant Unit, S. Orsola Hospital, University of Bologna, 40138 Bologna, Italy.
Maria Luisa BrandiDepartment of Biomedical Experimental and Clinical Sciences "Mario Serio", University of Florence, 50139 Florence, Italy.
Serge FerrariDepartment of Medicine, Service of Bone Diseases, Faculty of Medicine and Geneva University Hospital, 1205 Geneva, Switzerland.
Thomas L NickolasDepartment of Medicine, Division of Nephrology, Columbia University, New York, NY 10032, USA.
Giovanni TripepiCNR-IFC, Clinical Epidemiology of Renal Diseases and Hypertension, Ospedali Riuniti, 89124 Reggio Calabria, Italy.
Mario PlebaniLaboratory Medicine Unit, Department of Medicine, University of Padua, 35128 Padua, Italy.
Martina ZaninottoLaboratory Medicine Unit, Department of Medicine, University of Padua, 35128 Padua, Italy.
Giorgio IervasiNational Research Council (CNR), Institute of Clinical Physiology (IFC), 56124 Pisa, Italy.
Gaetano La MannaDepartment of Experimental Diagnostic and Specialty Medicine (DIMES), Nephrology, Dialysis and Renal Transplant Unit, S. Orsola Hospital, University of Bologna, 40138 Bologna, Italy.
Maurizio GallieniDepartment of Biomedical and Clinical Sciences 'Luigi Sacco', Università di Milano, 20157 Milano, Italy.ORCID 0000-0002-2011-2160
Roberto VettorDepartment of Medicine, University of Padova, 35128 Padova, Italy.
Andrea AghiDepartment of Medicine, Clinica Medica 1, University of Padua, 35128 Padua, Italy.
Lorenzo GasperoniDepartment of Experimental Diagnostic and Specialty Medicine (DIMES), Nephrology, Dialysis and Renal Transplant Unit, S. Orsola Hospital, University of Bologna, 40138 Bologna, Italy.
Sandro GianniniDepartment of Medicine, Clinica Medica 1, University of Padua, 35128 Padua, Italy.
Stefania SellaDepartment of Medicine, Clinica Medica 1, University of Padua, 35128 Padua, Italy.
Angela M CheungDepartment of Medicine, University Health Network, University of Toronto, 200 Elizabeth Street, Eaton North 7-221, Toronto, ON M5G 2C4, Canada.
University of Padua · ITUniversity of Bologna · ITColumbia University · USIstituto di Fisiologia Clinica · ITLuigi Sacco Hospital · ITOspedali Riuniti di Foggia · ITUniversity Health Network · CAUniversity Hospital of Geneva · CHUniversity of Florence · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Vitamin K acts as a coenzyme of carboxylase, catalyzing the carboxylation of several vitamin K dependent proteins. Beyond its well-known effects on blood coagulation, it also exerts relevant effects on bone and the vascular system. In this review, we point out the relevance of an adequate vitamin K intake to obtain sufficient levels of carboxylated (active form) vitamin K dependent proteins (such as Osteocalcin and matrix Gla protein) to prevent bone health. Another bone-related action of Vitamin K is being a ligand of the nuclear steroid and xenobiotic receptor (SXR). We also discuss the recommended intake, deficiency, and assessment of vitamin K. Furthermore, we review the few available studies that have as pre-specified outcome bone fractures, indicating that we need more clinical studies to confirm that vitamin K is a potential therapeutic agent for bone fractures.

Indexed as

Fractures, BoneHumansOsteoporosisPregnane X ReceptorVitamin KVitamin K DeficiencyPregnane X ReceptorVitamin Kbone fracturesmatrix Gla proteinOsteocalcinvitamin Kvitamin K deficiencyvitamin K-dependent proteinsvitamin K levels

Identifiers

PMID33255760
PMCPMC7760385
OpenAlexW3108607526

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.