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Abstract:
BACKGROUND/OBJECTIVES:Tissue-resident memory T cells (Trm) represent a new subset of long-lived memory T cells that remain in barrier tissues after previous bacterial or viral infection to support early/immediate defense mechanisms, providing site-specific protection from pathogen challenge. As data on Trm cells in human gingiva are just emerging, the aim of the present study was to explore their presence and distribution in epithelial and connective periodontal tissues in relation to microbial exposure and periodontal damage. MATERIAL AND METHODS:Periodontitis tissue specimens were collected from 20 generalized chronic periodontitis patients at the time of osseous resective surgery. As a control, 18 healthy tissue specimens were harvested each from both the primary flap and the palatal graft in 18 periodontally healthy patients during mucogingival surgeries. As CD69 and CD103 are phenotypic markers associated with tissue residence, intraepithelial and stromal CD103+ and CD69+ cells per high-power field were counted in areas with highest expression. Double immunohistochemistry for CD3 and CD69 was performed to identify T cells. RESULTS:CD69 +and CD103+ cells showed a lymphocytic morphology, and double CD69 and CD3 staining confirmed the T cell phenotype of these cells. CD103 and CD69 expression was significantly enhanced in epithelial and connective tissues from patients with periodontitis compared with healthy controls (P < .001). Significant positive correlation between PD and both CD103 and CD69 epithelial expression was observed in tissue specimens from periodontitis patients (P < .001). CONCLUSION:Within the limits of the present study, these results indicate that Trm cells are higher in periodontitis lesions. They could orchestrate the host response to microbial challenge, leading to a faster reactivation of periodontal disease.
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最新影响因子:3.946 | 期刊ISSN:0022-3484 | CiteScore:2.7 |
出版周期:Bimonthly | 是否OA:YES | 出版年份:1966 |
期刊官方网址:http://onlinelibrary.wiley.com/journal/10.1111/(ISSN)1600-0765
自引率:6.10% | 研究方向:医学-牙科与口腔外科 |
出版地区:DENMARK |
SCI期刊coverage:Science Citation Index Expanded(科学引文索引扩展)
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The Journal of Periodontal Research is an international research periodical the purpose of which is to publish original clinical and basic investigations and review articles concerned with every aspect of periodontology and related sciences. Brief communications (1-3 journal pages) are also accepted and a special effort is made to ensure their rapid publication.
《牙周研究杂志》是一份国际性的研究期刊,其宗旨是发表有关牙周学及相关科学各方面的原创临床及基础研究和综述文章。还接受简短的通讯(1-3页期刊),并作出特别努力确保其迅速出版。
大类(学科) | 小类(学科) | 学科排名 |
医学 |
DENTISTRY, ORAL SURGERY & MEDICINE (牙科与口腔外科) 2区 |
14/91 |
年度总发文量 | 年度论文发表量 | 年度综述发表量 |
111 | 99 | 12 |
引文计数(2018)
文献(2015-2017)
752次引用
279篇文献
序号 | 类别 | 排名 | 百分位 |
1 |
大类(学科):Dentistry
小类(学科):Periodontics
|
#4/11
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研究方向:生命科学 细胞生物学 细胞增殖 生长与分化
审稿时间: 1个月内
影响因子:2.438
ISSN:0261-1929
研究方向:农林科学-兽医学
影响因子:3.025
ISSN:1094-7159
研究方向:医学-临床神经学
影响因子:4.169
ISSN:0264-410X
研究方向:医学-免疫学
影响因子:17.579
ISSN:0022-1007
研究方向:医学-免疫学
影响因子:5.274
ISSN:0971-5916
研究方向:医学-免疫学
影响因子:4.061
ISSN:2314-6745
研究方向:ENDOCRINOLOGY & METABOLISM-MEDICINE, RESEARCH & EX
影响因子:2.976
ISSN:0914-8779
研究方向:医学-内分泌学与代谢
影响因子:4.75
ISSN:0141-8955
研究方向:医学-内分泌学与代谢
影响因子:10.171
ISSN:1931-5244
研究方向:医学-医学:内科
发表一篇学和医学成像类SCI论文
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