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Clinical and Experimental Study of Low Molecular Weight Heparin in Patients with Chronic Anemia 被引量:1
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作者 jiamin zheng Hong Shao +2 位作者 Min Yan Ye Lu Xiangtao Pan 《International Journal of Clinical Medicine》 2021年第9期357-363,共7页
<strong>Objective:</strong> To preliminary study the significance of low molecular weight heparin (LMWH) in the treatment patients of with anemia of chronic diseases (ACD), and the changes in the serum lev... <strong>Objective:</strong> To preliminary study the significance of low molecular weight heparin (LMWH) in the treatment patients of with anemia of chronic diseases (ACD), and the changes in the serum levels of BMP6, hepcidin and IL-6. To preliminary study the significance of low molecular weight heparin (LMWH) in the treatment the patients with anemia of chronic diseases (ACD), and the changes in the serum levels of BMP6, hepcidin and IL-6. <strong>Methods:</strong> Used LMWH (4000 u/day, 7 - 15 days) to therapy 61 patients with ACD, and ELISA method was used to determine Hepcidin and BMP6 before and after treatment, and the determination of IL-6 by Electro-chemi-luminescence, and to analyze its clinical significance. <strong>Results:</strong> 1) In all 61 cases, the levels of Hepcidin in post-therapy were 0.82 ± 0.24 mg/L, which were lower than 1.05 ± 3.83 mg/L in pre-therapy (t = 2.5726, <em>P</em> < 0.05). The levels of IL-6 in post-therapy were 24.88 ± 12.58 mg/L, which were lower than 38.22 ± 31.23 mg/L in pre-therapy (t = 2.9650, <em>P</em> < 0.05), but there were no statistically significant both Hb and BMP6 between in pre-therapy and post-therapy (all <em>P</em> > 0.05). However, The levels of Hb in post-therapy were higher than in pre-therapy (t = 1.9832, <em>P</em> < 0.05). 2) The Hb level in the tumor anemia group after treatment was 91.18 ± 15.91 g/L, which was higher than that before treatment (85.45 ± 18.33 g/L), the difference was statistically significant (t = 1.9711, <em>P</em> < 0.05). 3) The levels of hepcidin and IL-6 in the tumor anemia group after treatment were 0.73 ± 0.45 mg/L and 30.33 ± 28.39 mg/ml, which were lower than those before treatment (1.09 ± 0.41 mg/L and 50.76 ± 42.10 mg/ml), respectively, the difference was statistically significant (t = 3.3941, <em>P </em>< 0.01 and t = 2.3597, <em>P</em> < 0.05). 4) There was no significant difference in all indexes in tumor anemia free group (all <em>P</em> > 0.05). 5) Although Hb level increased slightly in the non-tumor anemia group, there was no statistical significance (<em>P</em> > 0.05), and there was no statistical difference in other indexes (all <em>P</em> > 0.05). 6) After treatment, the level of Hb was negatively correlated with Hepcidin and IL-6 (respectively r = -0.2809, t = 2.2490, <em>P</em> < 0.05 and r = -0.2781, t = 2.2266, <em>P</em> < 0.05). Hepcidin was positively related to IL-6 (r = -0.2941, t = 2.3622, <em>P</em> < 0.05). There was no correlation between BMP6 and Hb, Hepcidin and IL-6 levels. <strong>Conclusion:</strong> LMWH could up-regulate the levels of Hb, and better for the degree of anemia in patients with ACD. The possible mechanism is to reduce the level of Hepcidin and IL-6. 展开更多
关键词 Anemia of Chronic Disease BMP6 HEPCIDIN IL-6 HEMOGLOBIN Low Molecular Weight Heparin THERAPY
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An Improved Moving Object Detection Algorithm Based on Gaussian Mixture Models 被引量:13
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作者 Xuegang Hu jiamin zheng 《Open Journal of Applied Sciences》 2016年第7期449-456,共8页
Aiming at the problems that the classical Gaussian mixture model is unable to detect the complete moving object, and is sensitive to the light mutation scenes and so on, an improved algorithm is proposed for moving ob... Aiming at the problems that the classical Gaussian mixture model is unable to detect the complete moving object, and is sensitive to the light mutation scenes and so on, an improved algorithm is proposed for moving object detection based on Gaussian mixture model and three-frame difference method. In the process of extracting the moving region, the improved three-frame difference method uses the dynamic segmentation threshold and edge detection technology, and it is first used to solve the problems such as the illumination mutation and the discontinuity of the target edge. Then, a new adaptive selection strategy of the number of Gaussian distributions is introduced to reduce the processing time and improve accuracy of detection. Finally, HSV color space is used to remove shadow regions, and the whole moving object is detected. Experimental results show that the proposed algorithm can detect moving objects in various situations effectively. 展开更多
关键词 Moving Object Detection Gaussian Mixture Model Three-Frame Difference Method Edge Detection HSV Color Space
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Role of pyroptotic cell death in the pathogenesis of NASH
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作者 Yuguo YI jiamin zheng +2 位作者 Yang ZHOU Zhiqin LIU Dan WENG 《BIOCELL》 SCIE 2020年第1期7-11,共5页
Nonalcoholic fatty liver disease(NAFLD)represents a huge threat to public health of the whole world.Around 25%of NAFLD patients will progress to nonalcoholic steatohepatitis(NASH),which has been predicted to be the ma... Nonalcoholic fatty liver disease(NAFLD)represents a huge threat to public health of the whole world.Around 25%of NAFLD patients will progress to nonalcoholic steatohepatitis(NASH),which has been predicted to be the main reason for liver transplantation in the United States in 2020.Extensive effort has been devoted to investigating the underlying molecular mechanisms of NASH pathogenesis and developing new promising treatments.Recent studies have demonstrated that pyroptosis,an inflammatory programmed cell death mediated by inflammasome and gasdermin-D(GSDMD),is involved in the development and progression of NASH.This review aims to summarize the recent findings regarding the role of pyroptosis and related molecules in the pathogenesis of NASH. 展开更多
关键词 Gasdermin-D Non-alcoholic FATTY liver disease PYROPTOSIS STEATOHEPATITIS
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