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| Item Type: | Article |
|---|---|
| Title: | Case-only design identifies interactions of genetic risk variants at SIGLEC5 and PLG with the lncRNA CTD-2353F22.1 implying the importance of periodontal wound healing for disease aetiology |
| Creators Name: | Müller, R., Freitag‐Wolf, S., Weiner 3rd, J., Chopra, A., Top, T., Dommisch, H. and Schaefer, A.S. |
| Abstract: | AIM: The basis of phenotypic variation of periodontitis is genetic variability. Disease relevant effects of individual risk alleles are considered to result from genetic interactions. We investigated gene × gene (G×G) interactions of suggestive periodontitis susceptibility alleles. MATERIALS AND METHODS: We used the case-only design and investigated single-nucleotide polymorphism (SNPs) that showed associations in our recent genome-wide association study (GWAS) and GWAS meta-analysis with p < 5 × 10(−6). CRISPR-dCas9 gene activation followed by RNA-sequencing and gene-set enrichment analyses elucidated differentially expressed genes and gene networks. With the databases of SNPInspector and Transfac professional, luciferase reporter gene assays and antibody electrophoretic mobility shift experiments, we analysed allele-specific effects on transcription factor binding. RESULTS: SNPs at the genes sialic acid binding Ig-like lectin 5 (SIGLEC5) and plasminogen (PLG) showed G×G interactions with rs1122900 at the long non-coding RNA (lncRNA) CTD-2353F22. Associated chromatin cis-activated CTD-2353F22.1 6.5-fold (p = .003), indicating CTD-2353F22.1 as target gene of this interaction. CTD-2353F22.1 regulated GADD45A (p(adj) < 4.9 × 10(−11), log(2) fold change (FC) = −0.55), THBS1, SERPINE1 and Tissue Factor F3 (p(adj) < 5 × 10(−7), log(2) FC ≥ −0.35) and the gene set “angiogenesis” (area under the curve = 0.71, p(adj) = 8.2 × 10(−5)). rs1122900 effect C-allele decreased reporter gene activity (5.5-fold, p = .0003) and PRDM14 binding (76%). CONCLUSIONS: CTD-2353F22.1 mediates interaction of SIGLEC5 and PLG, together with genes that function in periodontal wound healing. |
| Keywords: | Angiogenesis, Case-Only Design, Gene-Gene Interaction, lncRNA, Periodontitis |
| Source: | Journal of Clinical Periodontology |
| ISSN: | 0303-6979 |
| Publisher: | Wiley |
| Volume: | 50 |
| Number: | 1 |
| Page Range: | 90-101 |
| Number of Pages: | 12 |
| Date: | January 2023 |
| Official Publication: | https://doi.org/10.1111/jcpe.13712 |
| PubMed: | View item in PubMed |
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