Evidence map›Paper›PMID 26547217›Full record

ArticleEndocrine2016

Vitamin D-binding protein and free vitamin D concentrations in acromegaly.

Alev Eroglu Altinova, Cigdem Ozkan, Mujde Akturk, Ozlem Gulbahar, Muhittin Yalcin, Nuri Cakir, Fusun Balos Toruner

Abstract read
PubMed Publisher
In one paragraph

Article in Endocrine, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
2.9field-weighted citation impact, top 9% 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

17 citing papers in PubMed, 29 citations in OpenAlex.

  1. Trial
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  15. VITAMIN D BINDING PROTEIN AND 25-HYDROXYVITAMIN D LEVELS: EMERGING CLINICAL APPLICATIONS.Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists · 2017
    Review
  16. Acromegalic osteopathy.Pituitary · 2017
    Review
  17. Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 1 institution in 1 country.

Alev Eroglu AltinovaDepartment of Endocrinology and Metabolism, Gazi University Faculty of Medicine, Besevler, 06500, Ankara, Turkey.
Cigdem OzkanDepartment of Endocrinology and Metabolism, Gazi University Faculty of Medicine, Besevler, 06500, Ankara, Turkey. cozkan34@hotmail.com.
Mujde AkturkDepartment of Endocrinology and Metabolism, Gazi University Faculty of Medicine, Besevler, 06500, Ankara, Turkey.
Ozlem GulbaharDepartment of Biochemistry, Gazi University Faculty of Medicine, Ankara, Turkey.
Muhittin YalcinDepartment of Endocrinology and Metabolism, Gazi University Faculty of Medicine, Besevler, 06500, Ankara, Turkey.
Nuri CakirDepartment of Endocrinology and Metabolism, Gazi University Faculty of Medicine, Besevler, 06500, Ankara, Turkey.
Fusun Balos TorunerDepartment of Endocrinology and Metabolism, Gazi University Faculty of Medicine, Besevler, 06500, Ankara, Turkey.
Gazi University · TR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Free 25-hydroxyvitamin D [25(OH)D] is suggested to be important in the determination of vitamin D deficiency, since vitamin D-binding protein (VDBP) may affect total 25(OH)D levels. There are no data about free 25(OH)D concentrations in acromegaly. We aimed to investigate serum VDBP and total and free 25(OH)D levels in patients with acromegaly in comparison with control subjects. We recruited 54 patients with acromegaly and 32 control subjects who were similar according to age, gender, and body mass index. Serum VDBP levels were found to be increased in patients with acromegaly compared to control subjects [90.35 (72.45-111.10) vs. 69.52 (63.89-80.13) mg/l, p = 0.001]. There was statistically no significant difference in serum total 25(OH)D levels between the patients with acromegaly and control subjects [18.63 (13.35-27.73) vs. 22.51 (19.20-28.96) ng/ml, p = 0.05]. Free 25(OH)D levels were significantly decreased in patients with acromegaly compared to control subjects [14.55 (10.45-21.45) vs. 17.75 (15.30-23.75) pg/ml, p = 0.03]. Free 25(OH)D levels correlated positively with total 25(OH)D (p = 0.0001) and HDL cholesterol (p = 0.04) and negatively with fasting blood glucose (p = 0.04). Our findings indicate that VDBP is increased and free 25(OH)D is decreased in acromegaly, while there is no significant alteration in total 25(OH)D.

Indexed as

AcromegalyAdultCase-Control StudiesFemaleHumansMaleMiddle AgedVitamin DVitamin D-Binding ProteinVitamin DVitamin D-Binding ProteinAcromegalyFree vitamin DTotal vitamin DVitamin D-binding protein

Identifiers

PMID26547217
OpenAlexW2102147647

What OpenQuestion holds

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Read underepoch 390

Registered trials

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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.