Transcriptomic Analysis of Gingival Tissues: Insights Into Gene Expression Profiles.

{"sci_version": "1.2", "schema": "https://corpus.bntrg.co.uk/sci/1.0/sci.schema.json", "id": "pmid:41368625", "kind": "science-record", "revision": 4, "content_hash": "sha256:9e4863a541d1bc26397c2bef0d537c51eafb0315d62042d3e6df4067fb209e92", "created_at": "2026-11-01T20:31:22Z", "updated_at": "2026-11-01T22:57:35Z", "generator": {"name": "corpus-assay-engine", "run_id": "reading-sci-2026-11-01"}, "paper": {"state": "complete", "title": "Transcriptomic Analysis of Gingival Tissues: Insights Into Gene Expression Profiles.", "doi": "10.1155/ijog/1427141", "pmid": "41368625", "authors": ["Saravanan Sampoornam Pape Reddy", "Yash Dhiman", "Delfin Lovelina Francis", "Manish Rathi", "Ankit Gupta", "Ruchi Harish", "Balaji Manohar", "Shaili Pradhan"], "journal": "International journal of genomics", "year": 2025, "abstract": "Objectives: The aim of this study was to understand the transcriptome and molecular pathways that drive unique functional characteristics of human gingiva.\nMaterials and Methods: Gene expression data were obtained from the NCBI GEO database, including GSE38617 (connective tissue [CT]) and GSE7224 (gingival epithelium [GE]). Raw data were preprocessed and filtered for healthy samples. Differential gene expression analysis was performed using the limma package in R, with a significance cutoff of log2 fold change ≥ 1 and adjusted p value < 0.05.\nResults: The analysis highlighted 11,096 DEGs between the dissected tissues. In CT, 7564 genes were upregulated in extracellular matrix (ECM) organization, collagen synthesis, and immunomodulation. GE had a total of 3532 upregulated genes enriched in epithelial barrier integrity, antimicrobial defense, and keratinocyte differentiation. These patterns were confirmed using key markers (CT: COL1A1 and COL3A1 and GE: DEFB1 and KRT10). In CT, pathway enrichment showed PI3K-Akt signaling and ECM-receptor interaction, whereas GE was characterized by tight junctions and the IL-17 signaling pathway.\nConclusion: The differences in transcriptional landscapes of CT and GE illustrate specialized functions of each tissue type in maintaining periodontal health. Whereas CT focuses on ECM preservation and its immunomodulatory role, GE emphasizes antimicrobial defense and barrier function.", "claims": [{"id": "claim-method", "statement": "DEG analysis between CT and GE was performed using a two‐sample t‐test approach to identify DEGs.", "kind": "methodological", "target": null, "evidence": [{"asset": "source:pmid:41368625", "locator": "sections[8] \"2.4. 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