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1 sources retrieved · Most recent: April 2026 · Index updated 14 days ago
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DEFB108B
defensin beta 108B
Chromosome 11 · 11q13.4
NCBI Gene: 245911Ensembl: ENSG00000184276.3HGNC: HGNC:29966UniProt: Q8NET1
5PubMed Papers
7Diseases
0Drugs
0Pathogenic Variants
DATA QUALITY
✓ Experimental GO Evidence✓ Swiss-Prot Reviewed
protein bindingdefense responseinnate immune responseresponse to other organismgastric canceratrial fibrillationintellectual developmental disorder, X-linked 110chronic obstructive pulmonary disease
✦AI Summary

Based on limited published evidence, DEFB108B encodes a defensin with antibacterial activity and protein binding capability. The gene has been identified as significantly associated with gastric cancer risk through genome-wide association studies in a Korean population, with DEFB108B showing the lowest p-value (5.94×10⁻¹⁵) among prioritized genes 1. However, the mechanistic role of DEFB108B in gastric cancer pathogenesis remains unclear and requires further investigation.

Sources cited
1
DEFB108B identified with strongest gene-based association with gastric cancer risk (p=5.94×10⁻¹⁵) in Korean GWAS study
PMID: 37340842
⚠Limited data available — This gene has 1 indexed publication. Summary and analysis may be incomplete.
Disease Associationsⓘ7
gastric cancerOpen Targets
0.13Weak
atrial fibrillationOpen Targets
0.07Suggestive
intellectual developmental disorder, X-linked 110Open Targets
0.04Suggestive
chronic obstructive pulmonary diseaseOpen Targets
0.00Suggestive
male infertilityOpen Targets
0.00Suggestive
acute myeloid leukemiaOpen Targets
0.00Suggestive
ThymomaOpen Targets
0.00Suggestive
Pathogenic Variants
No pathogenic variants reported on ClinVar for this gene.
View on ClinVar ↗
Related Genes
DEFB103AProtein interaction100%DEFB106AProtein interaction87%DEFB114Protein interaction86%DEFB116Protein interaction83%DEFB4AProtein interaction81%DEFB121Protein interaction79%
Tissue Expression6 tissues
Lung
0%
Bone Marrow
0%
Ovary
0%
Heart
0%
Liver
0%
Brain
0%
Gene Interaction Network
Click a node to explore
DEFB108BDEFB103ADEFB106ADEFB114DEFB116DEFB4ADEFB121
PROTEIN STRUCTURE
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AlphaFoldAI-predicted · UniProt Q8NET1
View on AlphaFold ↗
Constraintⓘ
LOEUFⓘ
1.85LoF Tolerant
pLIⓘ
0.19Tolerant
Observed/Expected LoF0.72 [0.22–1.85]
RankingsWhere DEFB108B stands among ~20K protein-coding genes
  • #18,316of 20,598
    Most Researched5
  • #16,843of 17,882
    Most Constrained (LOEUF)1.85
Genes detectedDEFB108B
Sources retrieved1 papers
Response time—
📄 Sources
1
1
Functional Annotation and Gene Set Analysis of Gastric Cancer Risk Loci in a Korean Population.
PMID: 37340842
Cancer Res Treat · 2024
1.00