Evidence map›Paper›PMID 40697550›Full record

ArticleFrontiers in nutrition2025

When diets fall short: link between unsuccessful weight loss and reduced BDNF levels.

Gang Wu, Guifeng Shi, Yafei Ye, Xiaoqin He, Yahong Chen, Cuimin Liu, Meixian Zhang

Abstract read
In one paragraph

Article in Frontiers in nutrition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed, 2 pooled it
–field-weighted citation impact
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

2 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
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.

Gang WuDepartment of Pharmacy, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, Zhejiang, China.
Guifeng ShiDepartment of Preventive Health Care, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, Zhejiang, China.
Yafei YeHealth Management Center, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, Zhejiang, China.
Xiaoqin HeDepartment of Clinical Nutrition, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, Zhejiang, China.
Yahong ChenHealth Management Center, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, Zhejiang, China.
Cuimin LiuDepartment of Pharmacy, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, Zhejiang, China.
Meixian ZhangEvidence-Based Medicine Center, Taizhou Hospital of Zhejiang Province Affiliated to Wenzhou Medical University, Linhai, Zhejiang, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objectives: Brain-derived neurotrophic factor (BDNF) is a protein essential for brain health and nutrient energy metabolism. This study aims to examine the relationship between blood BDNF levels and obesity and to assess the effect of energy-restricted diets on BDNF levels. Method: We enrolled 233 individuals with normal weight ( Results: Our findings showed that serum BDNF levels were significantly elevated in overweight and obese adults in the Chinese population studied ( Conclusion: Serum BDNF levels were elevated in overweight and obese adults in the Chinese population, and an energy-restricted diet reduced serum BDNF. In women, failure to achieve weight loss with an energy-restricted diet may be associated with decreased BDNF levels. Maintaining stable BDNF levels, such as through exercise, should be considered to enhance weight loss outcomes. Confounding factors such as the menstrual cycle, menopausal status, and levels of physical activity should be taken into consideration in future studies.

Indexed as

brain-derived neurotrophic factor (BDNF)energy restriction dietobesity in men and womenoverweightserumweight loss

Identifiers

PMID40697550
PMCPMC12279483

What Socratic 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 Socratic graph.