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- 저자 : Ya-Tong Fan (검색결과 2 건)
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Yu Qing,Wu Li-bin,Zhang Fan,Wei Xiao-tong,Chen Pian-pian,Wang Shuai-ya,Cai Mei-yi,Shu Qi,Li Liao-yuan,Wu Zi-jian,Cai Rong-lin,Hu Ling 사단법인약침학회 2021 Journal of Acupuncture & Meridian Studies Vol.14 No.6
Background: Myocardial ischemia reperfusion injury (MIRI) is an important mechanism of post-myocardial infarction injury and a main cause of death in patients with ischemic heart disease. Electroacupuncture (EA) pretreatment is effective for the prevention and treatment of MIRI, but mechanisms mediating the effects of cardiovascular disease EA treatments remain unclear. Objectives: To determine whether the lateral hypothalamus (LHA) and the cerebellar fastigial nucleus (FN) are involved in the protective effects of EA stimulation on MIRI. Methods: EA pretreatment was performed for 7 days before the establishment of the MIRI model. ST-segment changes on electrocardiograms were recorded and the Curtis–Walker arrhythmia score was used to evaluate changes in reperfusion injury. Hematoxylin–eosin staining was applied to evaluate the pathological and morphological changes in myocardial tissue. c-fos expression in the LHA and FN was determined by immunofluorescence staining. Glutamic (Glu) and γ-Aminobutyric acid (GABA) levels were measured using a high-performance liquid chromatography-electrochemical method. Results: EA pretreatment reduced ST-segment elevation, arrhythmia scores, and morphological changes in MIRI myocardial cells in rats, and decreased the c-fos protein expression in LHA/FN nuclei. MIRI was associated with an imbalance between GABA and Glu levels, whereas EA pretreatment increased GABA levels and decreased Glu levels in the LHA/FN. Conclusion: FN and LHA are involved in the EA-mediated attenuation of MIRI. Pretreatment with EA plays a protective role in the myocardium by regulating Glu and GABA release in the LHA and FN.
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Efficient Mucosal Immunization by Mucoadhesive and pH-Sensitive Polymeric Vaccine Delivery System
Lei Xing,Tian-Jiao Zhou,Ya-Tong Fan,Yu-jing He,Tao Pang,조기현,Jinjian Lu,Hu-Lin Jiang,조종수 한국고분자학회 2019 Macromolecular Research Vol.27 No.3
Mucosal surfaces as the largest immune organ of human body cover 400 m2 of the body including the gastrointestinal, urogenital, and respiratory tracts. The local mucosal immunity is an important first line of defense against many pathogens because most pathogens initiate their infection through access to the mucosal region of body. Also, the mucosal vaccines induce mucosal and systemic immunity simultaneously. Therefore, attracted by the advantages of mucosal immunity, researchers keep an eye on the mucoadhesive and pH-sensitive polymeric vaccine delivery system to solve several limitations of mucosal administration, making mucosal immunity receive great interests lately. In this review, we discuss natural polymer- and synthetic polymer-based mucoadhesive and pHsensitive systems used for mucosal vaccine delivery. Also, we cover how to target antigen presenting cells and M cells for the cell specificity. Finally, we conclude the significant progress in mucosal vaccine and the prospect mucosal vaccine research in the future.
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