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PRJNA1226940 SRP567226

Gut microbiome intervention in type 1 diabetes, China

Restoration of Intestinal Secondary Bile Acid Synthesis: A Potential Approach to Improve Pancreatic Beta-Cell Function in Type 1 Diabetes

213 gut metagenome samples from China in an intervention study examining prebiotic/fibre and probiotic modulation of gut microbiota and secondary bile acid metabolism in type 1 diabetes patients. machine-written summary

213 samples · 213 runs · CN · Age unknown · 2025 · 6.66 Gbp / sample

Sources
✓Sequence archive 1,002○Abstract / description○Full text○Supplementary tables–External resources–User contribution–Human verified

Checked this project's papers and archive records yourself? Mark it human-verified.

what each source gave
✓ Sequence archive1,002 sample values (collection date, country, latitude, location region, longitude)
○ Abstract / descriptionread; no usable statement
○ Full textread; no usable statement or table · PMC12147892
○ Supplementary tablesfiles read; no table could be matched to the samples
– External resourcesnot covered by the external resources we ingest
– User contributionnothing uploaded yet · share metadata
– Human verifiednot yet checked by a person · I checked this project — verify it
Interventions

intervention — arms not resolved

Prebiotic / dietary fibre supplement Probiotic (live microorganisms; single strain or mixture) design single_arm_before_after · population type1_diabetes · Gut microbiome/bile acid modulating intervention (e.g. FMT/probiotic) in T1D patients

“explores targeted interventions to address them” — abstract:40347938 (study level; per-sample arms are in the intervention column below)

Samples at a glance
3 sampling locations · 1 country
Age
unknown213
Country
CN213
Body site
primary213
Sequencing depth per sample · this project all projects
all projects, 0–0.03 Gbp: 25,080 samples (4 %)all projects, 0.03–0.1 Gbp: 17,066 samples (3 %)all projects, 0.1–0.3 Gbp: 29,179 samples (5 %)all projects, 0.3–1 Gbp: 47,044 samples (8 %)all projects, 1–3 Gbp: 124,983 samples (22 %)all projects, 3–10 Gbp: 253,728 samples (44 %)this project, 3–10 Gbp: 212 samplesall projects, 10–30 Gbp: 72,533 samples (13 %)this project, 10–30 Gbp: 1 samplesall projects, 30–100 Gbp: 3,024 samples (1 %)all projects, 100–300 Gbp: 106 samples (0 %)all projects, ≥ 300 Gbp: 9 samples (0 %)project median 6.66 Gbp per sample0130Gbp
Sampling design and relatedness

longitudinal — not resolvedFMT donor → recipient — not resolved

Schedule stated by the source: “T0 (baseline pre-WMT), T1W (1 week), T1M (1 month), T3M (3 months) post-WMT” (time origin: intervention start); stated follow-up 3 mo.

Washed microbiota transplantation trial in T1D; patients compared with donor microbiomes; donor/recipient sample mapping not documented.

How longitudinal and relatedness information is derived

Community composition
Bacteroides 7.3%Prevotella 6.9%Bifidobacterium 6.7%Faecalibacterium 6.2%Phocaeicola 5.9%Blautia_A 5.4%Roseburia 4.6%Alistipes 2.6%Ruminococcoides 2.4%Streptococcus 2.4%Escherichia 2.3%Collinsella 2.0%not assigned to a genus 3.8%other genera 41.4%

Genera, mean relative abundance over 212 profiled gut samples of this project (Sandpiper SingleM profiles, GTDB R232; low-depth and non-metagenome profiles left out).

Field coverage
fieldsamplescoverageR1R2R3R4
age_category0 0%
country213 100%213
health_condition0 0%
subject_id0 0%
collection_date213 100%213
latitude213 100%213
longitude213 100%213
detailed_location150 70%
location_region150 70%150
Papers (1)
  • Restoration of intestinal secondary bile acid synthesis: A potential approach to improve pancreatic β cell function in type 1 diabetes. 2025 PMID 40347938 PMC12147892 own_data
Details
Archive description

This study investigates the role of gut microbiota and its metabolites in type 1 diabetes (T1D). Restoring intestinal secondary bile acid synthesis may provide a new therapeutic approach to improve metabolic and immune balance in T1D.

How this project entered the registry

Classified as human gut / stool shotgun DNA metagenome of age unknown by sonnet_x2 with confidence 0.72. Assay shotgun_dna.

  • host run.host_tax_id · “9606”
  • body site run.scientific_name · “human gut metagenome”
Evidence examples (one per field × route)
samplefieldvaluerouteconf.sourcequote
SAMN46967171collection_date2017-03-02/2023-10-14R10.90biosample.attribute:collection_date2017-03-02/2023-10-14
SAMN46967171countryCNR10.90sample.attr.geo_loc_nameChina
SAMN46967171latitude32.0600R10.90biosample.attribute:lat_lon32.06 N 118.79 E
SAMN46967171location_regionJiangsu ShengR10.60biosample.attribute:lat_lon32.06 N 118.79 E
SAMN46967171longitude118.7900R10.90biosample.attribute:lat_lon32.06 N 118.79 E
Sequencing

213 runs over 213 samples · mean 6.81 Gbp per run (median 6.66 Gbp, total 1,451.10 Gbp; 213 runs with a base count) · layout PAIRED 213 · platform ILLUMINA 213 · models Illumina NovaSeq X Plus (213) · 100% of runs with a Sandpiper profile · first public 2025-03-23

Authors (13)

Liu Q first · Hua Y · He R · Xiang L · Li S · Zhang Y · Chen R · Qian L · Jiang X · Wang C · Li Y · Wu H · Liu Y last

Help complete this project

3 of the 4 core fields are below 50% coverage: age_category, health_condition, subject_id. Share metadata

Downloads

PRJNA1226940.csv.gz (6.0 KB) · parquet (78.8 KB) — all 213 samples, every field with route and confidence · PRJNA1226940_determinations.csv.gz (8.4 KB) — 1,002 evidence rows

Samples (213 · every field this project has values for · hover a cell for its source)
Loading the sample table…