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Functional Roles of Exosomes in Allergic Contact Dermatitis
Song Bocui,Chen Qian,Li Yuqi,Zhan Shuang,Zhao Rui,Shen Xue,Liu Min,Tong Chunyu 한국미생물·생명공학회 2022 Journal of microbiology and biotechnology Vol.32 No.12
Allergic contact dermatitis (ACD) is an allergen-specific T-cell-mediated inflammatory response, albeit with unclear pathogenesis. Exosomes are nanoscale extracellular vesicles secreted by several cell types and widely distributed in various biological fluids. Exosomes affect the occurrence and development of ACD through immunoregulation among other ways. Nevertheless, the role of exosomes in ACD warrants further clarification. This review examines the progress of research into exosomes and their involvement in the pathogenesis, diagnosis, and treatment of ACD and provides ideas for exploring new diagnostic and treatment methods for this disease.
Progress in Preparation of Cellulase from Lignocellulose Using Fungi
Hui Jiao,Xiang-Yang Song,Chenhuan Lai,Hao Fang,Yuqi Song,Junjun Zhu 한국생물공학회 2021 Biotechnology and Bioprocess Engineering Vol.26 No.6
Lignocellulosic biomass such as agricultural and forestry waste is the most abundant renewable organic carbon source on earth and can be used to produce source of clean energy such as ethanol. One of the disadvantages of the preparation of ethanol using lignocellulose as raw material is the high cost of production of cellulase. Fungi are capable of effectively degrading lignocellulose and secreting a large amount of cellulase, and have the advantages of ease of preparation, high yield, and full enzyme systems. Therefore, this paper reviews sources of lignocellulose and the biodegradation properties which limit the production of cellulase, proposes micro-organisms capable of degrading lignocellulose and explains the types of cellulase, and the mechanism of action, methods of fermentation optimization, and control are analyzed, and ways to increase the yield of cellulase are described. Finally, research on the effects of inducers on the production of cellulase by fungi is reviewed. The aims of this review are to provide a reference for the efficient production and industrial application of cellulase.