Evidence map›Paper›PMID 38649365›Full record

ArticleNPJ Parkinson's disease2024

Diet and the gut microbiome in patients with Parkinson's disease.

Dayoon Kwon, Keren Zhang, Kimberly C Paul, Aline D Folle, Irish Del Rosario, Jonathan P Jacobs, Adrienne M Keener, Jeff M Bronstein, Beate Ritz

Open access · goldAbstract read
In one paragraph

Article in NPJ Parkinson's disease, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
48citing papers in PubMed, 3 pooled it
53.2field-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

48 citing papers in PubMed, 3 syntheses or guidelines pooled it, 61 citations in OpenAlex.

  1. Pooled it
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  6. Lifestyle medicine for neuroprotection: evidence and implementation in Asian contexts.Journal of neural transmission (Vienna, Austria : 1996) · 2026
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  7. Observational
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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

9 authors at 2 institutions in 1 country.

Dayoon KwonDepartment of Epidemiology, UCLA Fielding School of Public Health, Los Angele, CA, USA.ORCID http://orcid.org/0000-0001-7967-8508
Keren ZhangDepartment of Epidemiology, UCLA Fielding School of Public Health, Los Angele, CA, USA.
Kimberly C PaulDepartment of Neurology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.ORCID http://orcid.org/0000-0002-4476-2352
Aline D FolleDepartment of Epidemiology, UCLA Fielding School of Public Health, Los Angele, CA, USA.ORCID http://orcid.org/0000-0002-8051-0064
Irish Del RosarioDepartment of Epidemiology, UCLA Fielding School of Public Health, Los Angele, CA, USA.
Jonathan P JacobsThe Vatche and Tamar Manoukian Division of Digestive Diseases, Department of Medicine, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.
Adrienne M KeenerDepartment of Neurology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.ORCID http://orcid.org/0000-0003-1930-6619
Jeff M BronsteinDepartment of Neurology, UCLA David Geffen School of Medicine, Los Angeles, CA, USA.
Beate RitzDepartment of Epidemiology, UCLA Fielding School of Public Health, Los Angele, CA, USA. britz@ucla.edu.ORCID http://orcid.org/0000-0001-6976-7339
University of California, Los Angeles · USUCLA Health · US

Funding

Translational Research Support CoreP30ES007048 · NIEHS · UNIVERSITY OF SOUTHERN CALIFORNIA · PI ROB S MCCONNELL · 1996 to 2026
$46.4M
UCLA CENTER FOR THE STUDY OF PARKINSON'S DISEASEP50NS038367 · NINDS · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI CHESSELET, MARIE-FRANCOISE S · 1999 to 2011
$15.3M
Center for Gene-Environment Studies in Parkinson DiseaseU54ES012078 · NIEHS · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI CHESSELET, MARIE-FRANCOISE S · 2002 to 2006
$7.1M
Project 4: Pesticides and Genes In PD: Studies In HumansP01ES016732 · NIEHS · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI CHESSELET, MARIE-FRANCOISE S · 2008 to 2012
$6.7M
PARKINSON'S DISEASES SUSCEPTIBILITY GENES AND PESTICIDESR01ES010544 · NIEHS · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI RITZ, BEATE R. · 2000 to 2015
$5.7M
Microbiome, Pesticides and Parkinsons in LatinosR01ES031106 · NIEHS · UNIVERSITY OF CALIFORNIA LOS ANGELES · PI RITZ, BEATE R. · 2020 to 2025
$3.8M
Modulation of the Intestinal Microbiome in Obesity by a High Protein DietIK2CX001717 · VA · VA GREATER LOS ANGELES HEALTHCARE SYSTEM · PI JACOBS, JONATHAN PATRICK · 2018 to 2023
–
CSRD VA IK2 CX001717NIEHS NIH HHS P01 ES016732NIEHS NIH HHS P30 ES007048NIEHS NIH HHS R01 ES010544NIEHS NIH HHS R01 ES031106NIEHS NIH HHS U54 ES012078NINDS NIH HHS P50 NS038367
6 · The paper itself

Abstract

It has been suggested that gut microbiota influence Parkinson's disease (PD) via the gut-brain axis. Here, we examine associations between diet and gut microbiome composition and its predicted functional pathways in patients with PD. We assessed gut microbiota in fecal samples from 85 PD patients in central California using 16S rRNA gene sequencing. Diet quality was assessed by calculating the Healthy Eating Index 2015 (HEI-2015) based on the Diet History Questionnaire II. We examined associations of diet quality, fiber, and added sugar intake with microbial diversity, composition, taxon abundance, and predicted metagenomic profiles, adjusting for age, sex, race/ethnicity, and sequencing platform. Higher HEI scores and fiber intake were associated with an increase in putative anti-inflammatory butyrate-producing bacteria, such as the genera Butyricicoccus and Coprococcus 1. Conversely, higher added sugar intake was associated with an increase in putative pro-inflammatory bacteria, such as the genera Klebsiella. Predictive metagenomics suggested that bacterial genes involved in the biosynthesis of lipopolysaccharide decreased with higher HEI scores, whereas a simultaneous decrease in genes involved in taurine degradation indicates less neuroinflammation. We found that a healthy diet, fiber, and added sugar intake affect the gut microbiome composition and its predicted metagenomic function in PD patients. This suggests that a healthy diet may support gut microbiome that has a positive influence on PD risk and progression.

Identifiers

PMID38649365
PMCPMC11035608
OpenAlexW4395011696

What OpenQuestion holds

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LicenceCC BY
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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.