Gut microbiome diet intervention in cognitive impairment/AD, USA
101 fecal and blood samples from a diet intervention study in people with cognitive impairment and Alzheimer's disease, collected mainly in North Carolina with some from San Diego, CA, USA; intervention design. machine-written summary
101 samples · 107 runs · US · Adult · 2024 · 7.19 Gbp / sample
Checked this project's papers and archive records yourself? Mark it human-verified.
what each source gave
| ✓ Sequence archive | 1,358 sample values (age, bmi, collection date, country, health condition, health condition detail, intervention, intervention detail) |
| ○ Abstract / description | read; no usable statement |
| ✓ Full text | 218 sample values (antibiotic exposure, health condition, health condition detail, location site) · PMC11216994 |
| ○ Supplementary tables | files read; no table could be matched to the samples |
| – External resources | not covered by the external resources we ingest |
| – User contribution | nothing uploaded yet |
| – Human verified | not yet checked by a person · I checked this project — verify it |
intervention · arms resolved
19 people have samples in more than one arm.
Controlled / prescribed diet or feeding regimen design single_arm_before_after · population neurological_psychiatric · Diet intervention in cognitive impairment/AD patients
“fecal and blood samples from a diet intervention” — bioproject.description (study level; per-sample arms are in the intervention column below)
longitudinal
20 of 30 people sampled more than once (91 samples; median 5, up to 5 per person) · follow-up median 6 mo (max 7 mo) · median interval between samples 46 d (time from collection dates).
Each row is one person (20 shown); dots are samples at days since that person's first sample.
Genera, mean relative abundance over 68 profiled gut samples of this project (Sandpiper SingleM profiles, GTDB R232; low-depth and non-metagenome profiles left out).
| field | samples | coverage | R1 | R2 | R3 | R4 |
|---|---|---|---|---|---|---|
| age_category | 101 | 100% | ||||
| country | 101 | 100% | 101 | |||
| health_condition | 101 | 100% | 93 | 8 | ||
| subject_id | 101 | 100% | 101 | |||
| antibiotic_exposure | 101 | 100% | 101 | |||
| collection_date | 101 | 100% | 101 | |||
| detailed_location | 101 | 100% | ||||
| health_condition_detail | 101 | 100% | 93 | 8 | ||
| latitude | 101 | 100% | 101 | |||
| location_region | 101 | 100% | 101 | |||
| location_site | 101 | 100% | 101 | |||
| longitude | 101 | 100% | 101 | |||
| age_at_collection_days | 93 | 92% | 93 | |||
| bmi | 93 | 92% | 93 | |||
| intervention | 93 | 92% | 93 | |||
| intervention_detail | 93 | 92% | 93 | |||
| sex | 93 | 92% | 93 | |||
| timepoint_label | 93 | 92% | 93 | |||
| location_locality | 8 | 8% | 8 |
- Serum and CSF metabolomics analysis shows Mediterranean Ketogenic Diet mitigates risk factors of Alzheimer's disease. 2024 PMID 38962750 PMC11216994 own_data
Archive description
fecal and blood samples from a diet intervention in people with cognitive impairment and AD
How this project entered the registry
Classified as human gut / stool / blood / tissue / internal fluids shotgun DNA metagenome of adult by deterministic_prior with confidence 0.90. Assay shotgun_dna.
- host external_curation.infant_catalog · “infant triage reason_code age_adult_only”
- body site study.title · “Gut microbiome alterations in”
- body site study.description · “fecal and blood samples”
- body site study.description · “fecal and blood samples from a”
- life stage external_curation.infant_catalog · “infant triage reason_code age_adult_only”
Evidence examples (one per field × route)
| sample | field | value | route | conf. | source | quote |
|---|---|---|---|---|---|---|
| SAMEA115767066 | age_at_collection_days | 22645.5 | R1 | 0.90 | sample.attr.age | 62 |
| SAMEA115767066 | antibiotic_exposure | no | R3 | 0.70 | paper.fulltext.methods | Written informed consent was obtained from all participants |
| SAMEA115767066 | bmi | 27.92 | R1 | 0.90 | sample.attr.bmi_pbl | 27.92 |
| SAMEA115767066 | collection_date | 2015-02-11 | R1 | 0.90 | biosample.attribute:collection_date | 2015-02-11 |
| SAMEA115767066 | country | US | R1 | 0.90 | sample.attr.geographic_location_country_and_or_sea | USA |
| SAMEA115767066 | health_condition | neurological_psychiatric | R1 | 0.85 | biosample.attribute:memdx | memdx: mci-a |
| SAMEA115767168 | health_condition | cardiometabolic_other | R3 | 0.70 | paper.body.methods_results | All participants had prediabetes according to the American Diabetes Association guidelines, with a screening hemoglobin A1c level of 5.7–6.4% |
| SAMEA115767066 | health_condition_detail | mci-a | R1 | 0.85 | biosample.attribute:memdx | memdx: mci-a |
| SAMEA115767168 | health_condition_detail | prediabetes | R3 | 0.70 | paper.body.methods_results | All participants had prediabetes according to the American Diabetes Association guidelines, with a screening hemoglobin A1c level of 5.7–6.4% |
| SAMEA115767066 | intervention | no_intervention | R1 | 0.80 | biosample.attribute:timepoint | timepoint: pre 1 |
| SAMEA115767067 | intervention | diet_intervention | R1 | 0.90 | biosample.attribute:first_diet | first_diet: 1 |
| SAMEA115767068 | intervention | no_intervention | R1 | 0.80 | biosample.attribute:visit_type | visit_type: preb-cog |
| SAMEA115767066 | intervention_detail | Baseline before first intervention; assigned arm: First diet intervention arm | R1 | 0.80 | biosample.attribute:timepoint | timepoint: pre 1 |
| SAMEA115767067 | intervention_detail | First diet intervention arm | R1 | 0.90 | biosample.attribute:first_diet | first_diet: 1 |
| SAMEA115767068 | intervention_detail | Pre-intervention arm B cognitive visit; assigned arm: First diet intervention arm | R1 | 0.80 | biosample.attribute:visit_type | visit_type: preb-cog |
| SAMEA115767066 | latitude | 36.1000 | R1 | 0.90 | biosample.attribute:latitude+longitude | 36.1 -80.26 |
| SAMEA115767168 | location_locality | San Diego | R1 | 0.85 | biosample.attribute:geo_loc_name | USA:CA:San Diego |
| SAMEA115767066 | location_region | North Carolina | R1 | 0.85 | biosample.attribute:geo_loc_name | USA:North Carolina |
| SAMEA115767066 | location_site | Wake Forest | R3 | 0.70 | paper.fulltext.methods | approved by the Wake Forest Institutional Review Board |
| SAMEA115767066 | longitude | -80.2600 | R1 | 0.90 | biosample.attribute:latitude+longitude | 36.1 -80.26 |
| SAMEA115767066 | sex | male | R1 | 0.90 | sample.attr.sex | male |
| SAMEA115767066 | subject_id | 3AWFR000081 | R1 | 0.85 | sample.attr.host_subject_id | 3AWFR000081 |
| SAMEA115767066 | timepoint_label | prea-cog | R1 | 0.85 | sample.attr.visit_type | prea-cog |
Sequencing
107 runs over 101 samples · mean 6.53 Gbp per run (median 6.24 Gbp, total 698.21 Gbp; 107 runs with a base count) · layout PAIRED 107 · platform ILLUMINA 107 · models Illumina NovaSeq 6000 (107) · 64% of runs with a Sandpiper profile · first public 2024-06-21 – 2024-06-25
Authors (0)
No author record.
Downloads
PRJEB76849.csv.gz (5.1 KB) · parquet (78.4 KB) — all 101 samples, every field with route and confidence · PRJEB76849_determinations.csv.gz (12.2 KB) — 1,576 evidence rows