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Autoimmune hepatitis

Compared within 1 study that had both: 37 people with autoimmune hepatitis and 78 healthy people. 16 genera are less common in people with autoimmune hepatitis, and 3 more common.

A difference is an association: it doesn’t mean these genera cause, prevent or treat autoimmune hepatitis. GMrepo reports this group at the genus level only, so these are genera, not species.

Phylum

Searching opens both lists and shows only matching rows.

Less common in autoimmune hepatitis · 16

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Bivalvulida genus in 1 study Healthy 94% autoimmune hepatitis 0%
  2. Colidextribacter genus in 1 study Healthy 54% autoimmune hepatitis 11%
  3. Butyricimonas genus in 1 study Healthy 71% autoimmune hepatitis 27%
  4. Mediterraneibacter genus in 1 study Healthy 85% autoimmune hepatitis 46%
  5. Odoribacter genus in 1 study Healthy 68% autoimmune hepatitis 27%

More common in autoimmune hepatitis · 3

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Veillonella genus in 1 study Healthy 24% autoimmune hepatitis 68%
  2. Ligilactobacillus genus in 1 study Healthy 2.6% autoimmune hepatitis 30%
  3. Limosilactobacillus genus in 1 study Healthy 3.8% autoimmune hepatitis 24%

Where these numbers come from

Studies
Only GMrepo projects that had people with the condition and healthy people, 10 or more of each. Numbers come from those studies, never from pooling.Sampled in China.
How common
The share of people whose sample has any of it, in the people with the condition and in the healthy people of those same studies. Tested within studies (Cochran–Mantel–Haenszel, corrected for testing many microbes); a difference counts when it is clear and meaningful (Cohen’s h of 0.2 or more).
Strength word
Counted by code from how many studies point the same way: Seen again and again (3 or more, none clearly the other way), Seen more than once (2, the majority), Seen once (1, listed last). Where studies disagree, a row isn’t listed.
Each study
Tap a row for every study’s own numbers, and for how much carriers have.
Analysis
Our analysis of GMrepo data. GMrepo on Data sources · Read the rules

Also compared · 49 genera

Compared within studies that had both, but not listed above.

No meaningful difference · 49
PubMed · human studies and reviews first

Recent research

All research on it
  1. Animal study Probiotics and antimicrobial proteins · 2026
    Multi-omics Analysis Reveals the Protection of a Quadruple Probiotic Mixture in Experimental Autoimmune Hepatitis.
    PubMed ↗
  2. NPJ biofilms and microbiomes · 2026
    Phage therapy targeting DNA-encapsulated membrane vesicle-producing intestinal symbiotic Klebsiella pneumoniae ameliorates autoimmune disease.
    PubMed ↗
  3. Cell communication and signaling · 2022
    Lactobacillus improves the effects of prednisone on autoimmune hepatitis via gut microbiota-mediated follicular helper T cells.
    PubMed ↗
  4. Observational Frontiers in immunology · 2020
    Bifidobacterium animalis ssp. Lactis 420 Mitigates Autoimmune Hepatitis Through Regulating Intestinal Barrier and Liver Immune Cells.
    PubMed ↗
  5. Observational Gut · 2019
    Alterations of gut microbiome in autoimmune hepatitis.
    PubMed ↗

Source: PubMed, U.S. National Library of Medicine · 6 linked papers, last 10 years