Electron microscopy of normal auman gingival epithelium

Schroeder, Hubert E.; Theiiade, Jørgen

doi:10.1111/j.1600-0765.1966.tb01850.x

Cited by 152 publications

(42 citation statements)

References 45 publications

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“…The cornification of the epithelial sheets in the esophagus is more incomplete than that in the epidermis. Information on the barrier mechanism in wet stratified epithelium, including the esophageal epithelium, is still fragmentary (Schroeder and Theilade, 1966;Akisaka and Oda, 1978;Andersen, 1980;Tsukita and Furuse, 2002).…”

Section: Discussionmentioning

confidence: 99%

<b>Ultrastructural analyses of the rat esophageal stratified epithelium under normal conditions and in chronic reflux esophagitis </b>

Mori

Koike

Gotow

et al. 2011

Archives of Histology and Cytology

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TJ structures only in the stratum granulosum (SG) of the esophageal epithelia in control rats, and the number of TJ structures seemed to be decreased in the RE model.Most of the TJs were composed of only one ＂kissing point.＂ Freeze-fracture electron microscopy did not allow identification of typical TJ strands, suggesting that TJs in the rat esophageal mucosa were not well-developed. Immunoelectron microscopy confirmed our previous immunohistochemical results indicating that claudin-3 was located on the surface of esophageal epithelial cells in control rats and that the immunoreactivity decreased in the RE group. However, claudin-3 was diffusely localized on the plasma membrane and not concentrated on the TJ structures. These results indicate that claudin-3 is not directly involved in the composition of the TJ structure.

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Section: Discussionmentioning

confidence: 99%

<b>Ultrastructural analyses of the rat esophageal stratified epithelium under normal conditions and in chronic reflux esophagitis </b>

Mori

Koike

Gotow

et al. 2011

Archives of Histology and Cytology

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“…At the same time gingival epithelium provides the protective integument of the periodontium. The histological appearance of human gingival epithelium has been studied in great detail and described by numerous authors [9][10][11][12][13]. This study report characterizes the epithelial cell behavior collected from clinically healthy and inflamed human gingival tissues.…”

Section: Discussionmentioning

confidence: 99%

Expression of PCNA in oral gingival epithelium of aggressive and, chronic periodontitis—A pilot study

Jyostna¹,

Reddy²,

Manyam³

et al. 2013

OJST

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Periodontal disease leads to loss of tissue homeostasis of tooth supporting structures. The mechanism of fibrous tissue degradation by various enzymes in chronic periodontitis and aggressive periodontitis was well documented but there is paucity of information regarding epithelial response. The aim of the present study was to evaluation of epithelial cell proliferation in Chronic Periodontitis, Aggressive Periodontitis and normal patients using Proliferating Cell Nuclear Antigen (PCNA). The study consists of 30 individuals who attended the Periodontia clinic of Vishnu Dental College. They were divided equally into 3 groups: chronic periodontitis (10) aggressive periodontitis (10) and normal individuals requiring gingival excision for crown lengthening (10). Excised gingival tissues were routinely processed and subjected to Immunohistochemical evaluation using Proliferating Cell Nuclear Antigen (PCNA). The mean proliferation index was almost equal in Aggressive periodontitis patients (36.55) and normal individuals (37.02) but it was high in Aggressive Periodontitis patients when compared to chronic periodontitis group (18.86). Observations of this study indicate the possibility of subclinical inflammation in clinically normal gingiva and difference in the types of microorganism associated with chronic periodontitis and aggressive periodontitis.

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“…� Profilaxis antibiótica forma experimental con el grado clínico-anatomopatológico de la inflamación. Estudios histológicos han demostrado que, incluso en condiciones de normalidad clínica, está siempre presente una cierta alteración tisular que sería compatible con un entorno favorable a las bacteriemias (93). Tampoco se ha establecido la diferencia entre gingivitis y periodontitis en la producción de bacteriemias (94).…”

Section: Analisis De La Patologia Periodontalunclassified

Documento de consenso sobre la utilización de profilaxis antibiótica en cirugía y procedimientos dentales

Gutiérrez¹,

Bagán²,

Bascones³

et al. 2006

Rev Esp Cirug Oral y Maxilofac

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RESUMENLa profilaxis antibiótica en Odontología tiene como objetivo prevenir la aparición de infección a partir de la puerta de entrada que produce la actuación terapéutica, por lo que se encuentra indicada siempre que exista un riesgo importante de infección, ya sea por las características mismas de la operación o por las condiciones locales o generales del paciente. Sin embargo, los ensayos clínicos con antibióticos en patologías dentarias responden poco a los criterios metodológicos requeridos, y además no son lo suficientemente numerosos. Se presentan los resultados de una conferencia de expertos integrada por los Presidentes de Sociedades científicas españolas más representativas que han analizado la bibliografía existente y han aportado sus valiosas experiencias profesionales. Se describen las circunstancias técnicas, se analizan los fundamentos biológicos y farmacológicos y se aplican a las situaciones médicas más representativas. Se concluye que la profilaxis antibiótica en Odontología cuenta con indicaciones bien fundamentadas y precisas, ofreciendo a la comunidad científica internacional un protocolo práctico de actuación. Palabras clave: Profilaxis, antibióticos, odontología. ABSTRACTThe goal of antibiotic prophylaxis in Odontology is to prevent the onset of infections through the entranceway provided by the therapeutic action, therefore it is indicated providing there is a considerable risk of infection, either because of the characteristics of the operation itself or the patient's local or general condition. Nonetheless, clinical trials with antibiotics in dental pathologies have had scant regard for the required methodological criteria and, in addition, are not sufficiently numerous. This text presents the results of an expert conference comprising the Presidents of the most representative Scientific Societies in Spain who have analyzed the existing literature and have drawn on their valuable professional experience. It describes the technical circumstances, analyzes the biological and pharmacological foundations and their application to the most representa- INTRODUCCIONClásicamente se ha considerado la profilaxis como la administración pre-o peri-operatoria de un antibiótico para la prevención de una complicación infecciosa local y/o sistémica y sus correspondientes consecuencias clínicas. La finalidad de la profilaxis antibiótica en cirugía es prevenir la posible aparición de infección a nivel de la herida quirúr-gica, creando un estado de resistencia a los microorganismos mediante concentraciones antibióticas en sangre que eviten la proliferación y diseminación bacteriana a partir de la puerta de entrada que representa la herida quirúrgica. El 10% de las prescripciones antibióticas realizadas en nuestro país se utiliza para infecciones odontogénicas, y una parte significativa de ellas para profilaxis en cirugía y procedimientos dentales (1). Al igual que las recomendaciones acerca de la utilización de los antibióticos en el tratamiento de infecciones odontogénas, las recomendaciones de la profi...

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Electron microscopy of normal auman gingival epithelium

Cited by 152 publications

References 45 publications

<b>Ultrastructural analyses of the rat esophageal stratified epithelium under normal conditions and in chronic reflux esophagitis </b>

<b>Ultrastructural analyses of the rat esophageal stratified epithelium under normal conditions and in chronic reflux esophagitis </b>

Expression of PCNA in oral gingival epithelium of aggressive and, chronic periodontitis—A pilot study

Documento de consenso sobre la utilización de profilaxis antibiótica en cirugía y procedimientos dentales

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