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  • Open Access

    REVIEW

    Bacterial endotoxins in periodontal health and diseases

    FARIHA NUSRAT1, MOHAMMAD TARIQUR RAHMAN2, MUHAMMAD MANJURUL KARIM3,*

    BIOCELL, Vol.47, No.1, pp. 81-89, 2023, DOI:10.32604/biocell.2023.024635

    Abstract Bacterial endotoxins are a major concern in periodontal health and diseases owing to their structure and biological activity. With up-to-date knowledge of endotoxins and the recent findings about the influence of endotoxins in dental health, their probable mode of pathogenesis, and standard detection methods, this review analyzes the potential efficacy and benefits of probiotics in combination with conventional and contemporary treatment measures. In the oral cavity, Gram-negative bacteria are documented to predominate in the pulpal lesions with radiolucent areas and in the root canal with pulp necrosis, where they pose an absolute threat by promoting a series of inflammatory reactions.… More >

  • Open Access

    REVIEW

    Potential roles of functional bacterial amyloid proteins, bacterial biosurfactants and other putative gut microbiota products in the etiopathogeny of Parkinson’s Disease

    EMILIA MANOLE1,2,#, LAURA DUMITRESCU2,3,#, CRISTINA NICULIȚE1,3, BOGDAN OVIDIU POPESCU1,2,3, LAURA CRISTINA CEAFALAN1,3,*

    BIOCELL, Vol.45, No.1, pp. 1-16, 2021, DOI:10.32604/biocell.2021.013452

    Abstract An increasing number of studies provide evidence for the existence of a microbiota-gut-brain axis and its potential involvement in the development of sporadic Parkinson’s disease and other neurodegenerative conditions. The neuropathologic hallmark of Parkinson’s disease is the presence of brain intraneuronal aggregates of misfolded alpha-synuclein, known as Lewy bodies. Some gut microbiota products may trigger alpha-synuclein conformational changes in the neurons of the enteric nervous system, which can then spread to the brain in a prion-like fashion through the vagus nerve. Others may interfere with neuroinflammatory pathways and susceptibility to neurodegeneration. In this review, we assess the potential role of… More >

  • Open Access

    ABSTRACT

    Microspheres Modified with the Heparin Increasing the Length of Molecular Linker to Better Capture the Endotoxin

    Qi Dang1, Chun-Gong Li1, Xin-Xin Jin1, Ya-Jin Zhao1, Xiang Wang1,*

    Molecular & Cellular Biomechanics, Vol.16, Suppl.2, pp. 146-146, 2019, DOI:10.32604/mcb.2019.07074

    Abstract Endotoxin is a a very powerful and toxic inflammatory stimulator usually leading to the sepsis occurred. In order to remove endotoxin better through hemoperfusion, it is a pretty choice to increase the length of molecular linker on adsorbents. In this study, we chose the heparin as a molecular linker because of its being anticoagulant linear polysaccharide. Heparin as a linker was covalently immobilized on the chloromethylated polystyrene microspheres (Ps) and then connected with L-phenylalanine (Phe) forming the Ps-Hep-Phe structure to adsorbed endotoxin better. The property of microspheres was characterized by Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, zeta potential and… More >

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