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Transcriptomic profiles and their correlations in saliva and gingival tissue biopsy samples from periodontitis and healthy patients

Authors
 Yoon Sun Jeon  ;  Jae Kook Cha  ;  Seong Ho Choi  ;  Ji Hyun Lee  ;  Jung Seok Lee 
Citation
 JOURNAL OF PERIODONTAL AND IMPLANT SCIENCE, Vol.50(5) : 313-326, 2020-10 
Journal Title
 JOURNAL OF PERIODONTAL AND IMPLANT SCIENCE 
ISSN
 2093-2278 
Issue Date
2020-10
Keywords
Microarray analysis ; Periodontitis ; Saliva ; Transcriptome
Abstract
Purpose: This study was conducted to analyze specific RNA expression profiles in gingival tissue and saliva samples in periodontitis patients and healthy individuals, and to determine their correlations in light of the potential use of microarray-based analyses of saliva samples as a periodontal monitoring tool. Methods: Gingival tissue biopsies and saliva samples from 22 patients (12 with severe periodontitis and 10 with a healthy periodontium) were analyzed using transcriptomic microarray analysis. Differential gene expression was assessed, and pathway and clustering analyses were conducted for the samples. The correlations between the results for the gingival tissue and saliva samples were analyzed at both the gene and pathway levels. Results: There were 621 differentially expressed genes (DEGs; 320 upregulated and 301 downregulated) in the gingival tissue samples of the periodontitis group, and 154 DEGs (44 upregulated and 110 downregulated) in the saliva samples. Nine of these genes overlapped between the sample types. The periodontitis patients formed a distinct cluster group based on gene expression profiles for both the tissue and saliva samples. Database for Annotation, Visualization and Integrated Discovery analysis revealed 159 enriched pathways from the tissue samples of the periodontitis patients, as well as 110 enriched pathways In the saliva samples. Thirty-four pathways overlapped between the sample types. Conclusions: The present results indicate the possibility of using the salivary transcriptome to distinguish periodontitis patients from healthy individuals. Further work is required to enhance the extraction of available RNA from saliva samples.
DOI
10.5051/jpis.1905460273
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Periodontics (치주과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Jung Seok(이중석) ORCID logo https://orcid.org/0000-0003-1276-5978
Cha, Jae Kook(차재국) ORCID logo https://orcid.org/0000-0001-6817-9834
Choi, Seong Ho(최성호) ORCID logo https://orcid.org/0000-0001-6704-6124
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/180516
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