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Understanding cellular and molecular events in diabetes mellitus will identify new approaches for therapy. Immune system cells are important modulators of chronic inflammation in diabetes mellitus, but the role of B cells is not adequately studied. The aim of this work was to define the function of B cells in diabetes mellitus patients through focus on B(More)
Previous studies have suggested that lipopolysaccharide (LPS) interactions with neutrophils and monocytes are mediated via the CD14 receptor, in the presence of serum factors such as LPS-binding protein (LBP) and septin. The present study was designed to test if CD14-mediated LPS priming of human neutrophils is dependent upon the presence of serum proteins(More)
CNS key neurotransmitter γ-amino-butyric acid (GABA) and its signaling components are likewise detectable in non-neuronal tissues displaying inter alia immunomodulatory functions. This study aimed at identifying potential glutamate decarboxylase (GAD)65 and GABA receptor expression in periodontal ligament (PDL) cells in vivo and in vitro, with particular(More)
PDL cells express GABAB1 and GABAB2 receptors, which are regulated by inflammation and thus might be implicated in periodontal immunology. It was the aim of this study to elucidate the functional role of GABAB receptors in immunomodulation regarding activation of proregenerative versus proinflammatory mechanisms. Human PDL cells were exposed to GABA and/or(More)
Localized aggressive periodontitis (LAP; previously known as localized juvenile periodontitis) is one of the rapidly progressive periodontal diseases. Certain forms of familial LAP show a simple Mendelian pattern of transmission. However, no gene mutation has been identified to be responsible for the LAP phenotype. As an initial step to identify a gene(More)
Diacylglycerol kinase (DAGK) converts diacylglycerol (DAG) into pbosphatidic acid (PA). Both DAG and PA have been implicated as potential second messengers (Nishizuka 1984). A wide variety of cell responses (including mitogenesis, hormone secretion, and differentiation) are affected through DAG activation of protein kinase C (Nishizuka 1986). By converting(More)
BACKGROUND AND OBJECTIVE Aggressive periodontitis (AgP) is prevalent and shows a rapid course in African individuals. Although a strong focus has been placed on Aggregatibacter actinomycetemcomitans, new methods support the existence of a complex subgingival microflora in AgP. The purpose of the present study was to map the subgingival microbiota as well as(More)
Considerable evidence has demonstrated the importance of PGE2 synthesis in the pathogenesis of periodontal disease. Although various cyclooxygenase inhibitors have been known to block periodontal PGE2 synthesis and prevent disease progression in animal models, there are few reports comparing relative efficacies of various inhibitors of arachidonic acid(More)