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1Effect of porosities of bilayered porous scaffolds on spontaneous osteochondral repair in cartilage tissue engineering显示文摘Poly(lactide-co-glycolide)-bilayered scaffolds with the same porosity or different ones on the two layers were fabricated,and the porosity effect on in vivo repairing of the osteochondral defect was examined in a comparative way for the first time.The constructs of scaffolds and bone marrow-derived mesenchymal stem cells were implanted into pre-created osteochondral defects in the femoral condyle of New Zealand white rabbits.After 12 weeks,all experimental groups exhibited good cartilage repairing according to macroscopic appearance,cross-section view,haematoxylin and eosin staining,toluidine blue staining,immunohistochemical staining and real-time polymerase chain reaction of characteristic genes.The group of 92%porosity in the cartilage layer and 77%porosity in the bone layer resulted in the best efficacy,which was understood by more biomechanical mimicking of the natural cartilage and subchondral bone.This study illustrates unambiguously that cartilage tissue engineering allows for a wide range of scaffold porosity,yet some porosity group is optimal.It is also revealed that the biomechanical matching with the natural composite tissue should be taken into consideration in the design of practical biomaterials,which is especially important for porosities of a multi-compartment scaffold concerning connected tissues.Zhen Pan Pingguo Duan Xiangnan Liu Huiren Wang Lu Cao Yao He Jian Dong Jiandong Ding 2015Regenerative Biomaterials2015,2,1:20
2Overview of deep space laser communication显示文摘The deep space probe is a vital technology for observing and exploring the universe. It is thus intensifying as an aerospace research focus on an international scale. Despite improving the frequency band,the conventional microwave communication technique has difficulty satisfying the increased demand for the enormous volume of scientific data returning to the Earth. With a carrier frequency that is several orders of magnitude higher than the microwave, free-space optical communication is a robust and promising method for achieving both high bit rates and long distances in deep space communication. In this article, the history of this technology is summarized and the objective laws are formulated, while key techniques and development trends are analyzed. Finally, useful concepts and suggestions are proposed for the development of deep space laser communication in China.Weiren WU Ming CHEN Zhe ZHANG Xiangnan LIU Yuhui DONG 2018Science China(Information Sciences)2018,61,4:6
3Emerging role of natural products in cancer immunotherapy显示文摘Cancer immunotherapy has become a new generation of anti-tumor treatment,but its indications still focus on several types of tumors that are sensitive to the immune system.Therefore,effective strategies that can expand its indications and enhance its efficiency become the key element for the further development of cancer immunotherapy.Natural products are reported to have this effect on cancer immunotherapy,including cancer vaccines,immune-check points inhibitors,and adoptive immune-cells therapy.And the mechanism of that is mainly attributed to the remodeling of the tumorimmunosuppressive microenvironment,which is the key factor that assists tumor to avoid the recognition and attack from immune system and cancer immunotherapy.Therefore,this review summarizes and concludes the natural products that reportedly improve cancer immunotherapy and investigates the mechanism.And we found that saponins,polysaccharides,and flavonoids are mainly three categories of natural products,which reflected significant effects combined with cancer immunotherapy through reversing the tumor-immunosuppressive microenvironment.Besides,this review also collected the studies about nano-technology used to improve the disadvantages of natural products.All of these studies showed the great potential of natural products in cancer immunotherapy.Songtao Dong Xiangnan Guo Fei Han Zhonggui He Yongjun Wang 2022Acta Pharmaceutica Sinica B2022,12,3:5
4Innovation Requirements and Progress of Dialysis Water Treatment System显示文摘With the development of medicine,people are becoming more and more aware of the quality of medical water supply,such as dial ysis water,dental water,preparation water,operating room water,supply room water.Therefore,People are constantly improving the water treatment system and its standardized,and the demand for dialysis water is also becoming more and more strict.Hemodialysis is an effective means of maintaining the life of renal failure patients,120~180L water will be used for a conventional dialysis treatment,and high flux dialysis will consume more.Jun Ke Lifong Yan Taksui Wong Bo Hu Shuang Cui Sibo Huang Aiyun Cha Jie Huang Hongwei Hu Dawen Yun Shaofeng Huang Jie Shu Mingming Ma Lianghong Yin Xiangnan Dong Chen Yun Zuhui Chen Fanna Liu 2017临床医学工程2017,24,S1:2
5Correlation between Vascular Calcification and Serum Sclerostin in MHD Patients显示文摘Objective Investigate the correlation between serum sclerostinlevel and chronic kidney disease-mineral and bone disorder(CKD-MBD),especially vascular calcification,in maintenance hemodialysis(MHD)patients.Methods This is across-sectional study,a total of 72 MHD patients were included from the first affiliated hospital of Jinan university.Measure the biochemical indicators of mineral metabolism,renal function,and serum sclerostin level by ELISA.The abdominal aorta calcification score(AACS)was assessed according to Kauppila method on lateral spine imaging using DEXA.Patients were distributed into two groups according to the level of serum sclerostin:low sclerostingroup(≤125 pg/ml)and high sclerostingroup(>125 pg/ml).Analyze the association of serum sclerostin level with the indicators of CKD-MBD.Results There was significant difference in i PTH level between high sclerost in group and low sclerost in group.Multivariate Logistic regression analysis demonstrated that dialysis duration,male and anuria were independent risk factor of high sclerostin level,and i PTH and Kt/V were protective factors.Conclusion Dialysis duration,man,anuria was independent risk factors and i PTH,Kt/V were protective factors of high serum sclerostin level in MHD patients.There was no correlation between abdominal aorta calcification and serum sclerostin level.Yangyang Zhang Shufei Zeng Chen Yun Lifeng Yang Fanna Liu Guanmin Wu Taksui Wong Bo Hu Xiangnan Dong Folan Li Yu Chen Peitian Yang Aiyun Cha Huanhuan Liu Mingming Ma B.Hocher W. Pommer Huiyuan Zheng Tong Liu Zuhui Chen Lianghong Yin 2017临床医学工程2017,24,S1:0
6Application Status and Prospect of Bio-artificial Liver显示文摘Liver failure which can be caused by viral hepatitis,alcohol,drugs,metabolic diseases,autoimmune processes or other fac tors is the end stage of chronic liver disease.Although liver transplantation is currently considered to be the primary treatment measures of chronic liver disease.Due to donor shortages,surgical complications and immune rejection,cell therapy has been extensively studied.?Hepa tocyte transplantation and artificial liver have evolved into a simpler alternative to liver failure treatment.Artificial liver can be used as Liver replacement therapy in patients who were waiting for the liver transplantation with chronic liver disease.The ideal biological artificial liver must have the liver material metabolism,detoxification,synthesis and secretion and other functions.Nowadays bio-artificial liver has carried out a large number of clinical trials and get some progress.?This article is now discuss the status of bio-artificial liver and its re placement therapy prospects.Xiaoyi Chen Mingming Ma Sibo Huang Shuang Cui Huanhuan Liu Jun Ke Shengling Huang Xiangnan Dong Huixia Yu Yongpin Lu Chen Yun Yu Mong Fanna Liu B.Hocher Hongwei Hu Jie Shu Lianghong Yin 2017临床医学工程2017,24,S1:0
7Advances in Diagnosis and Treatment of Neuropsychiatric Systemic Lupus Erythematosus显示文摘1 Introduction Neuropsychiatric systemic lupus erythematosus(NPSLE)is a serious complication of systemic lupus erythematosus(SLE),with an incidence of about 30%to 40%[1].No matter early or late SLE patients are prone to concurrent,so early diagnosis and treatment of NPSLE is extremely important.Shufei Zeng Yangyang Zang Dezhen Chen Baozhang Guan Fanna Liu Mingming Ma Yu Mong Huiyuan Zheng Aiyun Cha Xiangnan Dong Huanhuan Liu Taksui Wong Shuang Cui Tong Liu Yongpin Lu Chen Yun Hongwei Hu B.Hocher W.Pommer Zuhui Chen Lianghong Yin 2017临床医学工程2017,24,S1:0
8Peritoneal Dialysis: Prospects and Challenges显示文摘There are 3 kinds of Renal Replacement Therapy:hemodialysis,peritoneal dialysis and kidney transplantation.Although a kidney transplant would be the best solution,organ donations are limited and the transplanted organs can be rejected by the body.Hemodialysis is a widely recognized and near-universally available treatment method,however,the patient must make at least 3 weekly visits to a hospital to undergo treatment,with each session lasting on average around 4 hours.Consequently this can have an impact on the patients’life,including work and travel.Since the clinical populariza-Lifeng Yang Jun Ke Jie Huang Hongwei Hu Shaofeng Huang Jie Shu Bo Hu Aiyun Cha Xiangnan Dong Guanmin Wu Fanna Liu Yu Chen Huanhuan Liu Mingming Ma Taksui Wong Lianghong Yin Chen Yun Shufei Zeng Baozhang Guan Zuhui Chen 2017临床医学工程2017,24,S1:0
9The Research Progression of Calcitonin for the Therapy of Renal Osteodystrophy显示文摘Calcitonin is a common medicine used in the treatment of osteoporosis,which could restrain the activity of osteoclasts,stop the loss of osteocalcin and reduce the transfer of osteocalcin.Calcitonin can also be used in the treatment of the pain-caused diseases which usually cause by hypercalcemia and others such like Paget's disease and bone tumors.As is approved by several clinic researches,calcitonin is powerful in adjusting the level of calcium,phosphorus and PTH during the treatment of renal osteodystrophy.In addition,it could improves the life quality of the patients who suffered from chronic kidney disease(CKD)and extending their life period.At present,several studies have shown us Calcitonin could be treated in renal osteodystrophy.However,the treatment experiences of Calcitonin are still lacking.Better understanding of the clinical evaluation for calcitonin in the treatment of renal osteodystrophy will hopefully help us to improve outcomes for these patients.Yingyan LI Sibo HUANG Shengling HUANG Shuang CUI Xiangnan DONG Yueling ZHU Baozhang GUAN Taksui WONG Bing YAN Bo HU Xin CHEN Shanshan LI Fanna LIU Huiyuan ZHENG Tong LIU Hongwei HU Shaofeng HUANG Shufei ZENG Chen YUN Wolfgang Pommer Zuhui CHEN Lianghong YIN Berthold Hocher 2017临床医学工程2017,24,S1:0
10The Pathogenesis of the Mechanism of FGF23 in Chronic Kidney Disease Patients with Vascular Calcification显示文摘Fibroblast growth factor 23(FGF23)is a protein synthesized by bone cell and the osteoblast with endocrine function.The main role of FGF23 is to regulate serum phosphorus and 1,25(OH)2 D3 levels,it also plays an important role in calcium and phosphorus metabolism.The role of FGF23 in renal disease is to inhibit of phosphorus reabsorption,promote urinary phosphorus excretion and maintain a stable blood phosphorus level.Patients with chronic kidney disease(CKD)have more risk to suffer cardiovascular disease(CVD)which is related to the abnormal metabolism of calcium and phosphorus.FGF23,as newly discovered cardiovascular risk marker,several studies have shown that FGF23 level associates with multiple cardiovascular risk factors in CKD patients,especially in CKD patients with vascular calcification.To explore its pathogenesis of vascular calcification in CKD patients is particularly important,and that may help to take appropriate measures to improve the prognosis of CKD patients.Shanshan LI Wenyu GNOG Sibo HUANG Lianghong YIN Bo HU Xiangnan DONG Taksui WONG Fanna LIU Yingyan LI Yueling ZHU Xin CHEN Baozhang GUAN Shengling HUANG Shuang CUI Bing YAN Hongwei HU Shaofeng HUANG Yongpin LU Shufei ZENG Chen YUN Berthold Hocher Wolfgang Pomme 2017临床医学工程2017,24,S1:0
11Progress in the Clinical Application of Cinacalcet in the Treatment of Secondary Hyperthyroidism显示文摘Secondary hyperthyroidism(SHPT)is a common complication of maintenance hemodialysis(MHD).In China the prevalence of chronic kidney disease(CKD)is 10.8%and there are about 0.2 million patients treated with maintenance hemodialysis.These number are still increasing.Cinacalcet is a new calcium sensing receptor agonist to treat SHPT and the first calcimimetics be approved by Food and Drug Administration(FDA)to treat human.It can activate the calcium sensing receptor in parathyroid to improving control of parathyroid hormone(PTH),serum calcium,phosphorus,and calcium phosphorus product.Then decrease vascular calcification and parathyroid gland volume and reduce the occurrence of fracture and calcific uremic arteriolopathy(CUA).A better understanding of the clinical evaluation for Cinacalcet will hopefully help us to reduce the incidence of SHPT.Yueling ZHU Shengling HUANG Shuang Cui Lianghong YIN Taksui Wong Xiangnan DONG Bing YAN Baozhang GUAN Bo HU Fanna LIU Yingyan LI Shanshan LI Xin CHEN Berthold Hocher Wolfgang Pommer 2017临床医学工程2017,24,S1:0
12Treatment of Sepsis by Hemofiltration Combined with Plasma Exchange in One Case显示文摘Female patients,44 years old,due to'regular peritoneal dialysis5 years,stomach ache 1 week'admission.Previous had 2 times for'Peritoneal dialysis related peritonitis'in hospital,after anti-infection treatment patients symptoms improved and discharged.1 week ago in patients admitted to hospital because of abdominal pain again.Physical:abdominal tenderness,bowel sounds hyperthyroidism.Laboratory inspection index:CRP:172.22 mg/l,WBC:23.26×10~9/L,NEU%:89.23%,D dimer:3 800 ng/ml,PCT:14.86 ng/ml。Weilong Li Sibo Huang Shuang Cui Zongchao Yu Shufei Zeng Bo Hu Aiyun Cha Jian Li Huixia Yu Mingming Ma Xiangnan Dong Xiaoyi Chen W.Pommer Chen Yun Lianghong Yin 2017临床医学工程2017,24,S1:0
13Clinical Application of PES Membrane Dialyzer显示文摘Objective The dialysate membrane can be classified into acetate membrane and synthetic membrane,while the latter can be further divided into polysulfone,polyacrylonitrile,etc.Polyethersulfone membrane is high molecular membrane material with excellent biocompatibility,stable mechanical properties,high temperature and pressure resistance,and good cleaning performance,which has been applied for more than 10 years.This trial is to assess the safety and efficacy of hollow polysulfone membrane fiber dialyzer with pattern number Enttex^(TM)-16LF(E60)for hemodialysis in patients with acute or chronic renal failure due to multiple factors.Methods Totally 76 patients receiving maintenance hemodialysis were included in a two-site,random,open label,two-stage,positive crossover and non inferiority validation study.The clinical efficacy and safety of the test device were observed,which was a hollow fiber dialyzer produced by Guangzhou Enttex Medical Products Co.,Ltd.,with polyethersulfone membrane imported from Germany.It was a low flux dialyzer with the pattern number of EnttexTM-16LF(E60).Inclusion criteria:①patients with acute or chronic renal failure due to various reasons who needed hemodialysis;②18 to 80 years old,gender unlimited;③patients who received stable dialysis for more than 3 months,regular hemodialysis 3 times a week,4 h at each time,blood flow rate of 200~350ml/min;④using bicarbonate dialysate at a flow rate of 500ml/min;⑤patients with arteriovenous fistula or who received artificial blood vessel puncture dialysis;received anticoagulation by heparin or low molecular weight heparin.Exclusion criteria:①patients needing heparin free dialysis for severe anemia,tumor and active bleeding;②patients with severe cardiac(gradeⅢcardiac function),hepatic(severe hepatitis and cirrhosis)and pulmonary diseases(severe respiratory failure).Results Comparison of parameters,including the changes of Kt/V,general creatinine and urea clearance rates and URR(urea reduction rate)shows no statistical significance in differences between the two devices,indicating that the test and control devices can equally and effectively eliminate toxins including creatinine and urea,etc.PPP and MITTP results are consistent.Comparison of ultrafiltration rates between two groups of patients shows no statistical difference.PPP and MITTP results are consistent,indicating that both the test device and control device can effectively eliminate water.In MITTP,electrolytes including K^+,Na^+,Cl^-,Ca^2+,HCO3^-,etc.show no statistical significance in difference between the test and control devices before and after dialysis(P>0.05).After treating by using test and control devices,body weight,serum potassium and phos-phorus all significantly decrease(P<0.001);serum Ca^2+,PO2,PCO2and HCO3^-all significantly increase(P<0.001).These results indicate that both the test and control devices can effectively eliminate serum potassium and phosphorus,and eliminate excess water in body,maintain the balance between liquid and electrolytes in patients.PPP and MITTP results are consistent.Conclusion This clinical trial confirms that hollow polyethersulfone membrane fiber dialyzer can be safely and effectively used in hemodialysis therapy.YUN Chen YANG Peidian LIANG Wenxue CHEN Yu CHEN Gangyi LIU Hongping OUYANG Zihua SONG Huifeng LI Yunyi YU Zongchao GUAN Baozhang DONG Xiangnan LIU Huanhuan Cao Rui ZHANG Zeyu FAN Lijing HU Bo HE Yongcheng SHI Mingjie XU Jun Yang Lifeng TANG Shuifu 2019临床医学工程2019,26,S01:0
14Analysis of Performance Stability and Clinical Efficacy of OBERS - 3000 Hemodialysis Machine显示文摘Objective To explore the method of safety and efficacy validation of hemodialysis machine,and observe the clinical efficacy of OBERS-3000 multifunctional hemodialysis machine.Methods Randomized,open,two-phase crossover and positive control design,a total of 72 patients from two hospitals were included.OBERS-3000 multifunctional hemodialysis machine was the test machine,and the Fresenius 4008 series hemodialysis machine was as the control machine,indicators of blood routine test,serum electrolytes,liver and kidney function test,blood gas analysis,CRP were compared,body weight before and after hemodialysis,ultrafiltration volume were recorded,urea clearance index,urea reduction ratio were calculated.The XL90 conductivity meter was connected in series in the test machine,to monitor the temperature,conductance,venous pressure and arterial pressure during the dialysis in real time,and the measured value were compared with the machine monitoring value.Results Both of the test machine and the control machine could effectively eliminate creatinine,urea nitrogen and other uremic toxins,could continuously supply qualified dialysate,and precisely control the ultrafiltration volume.There were no significant differences in temperature,conductance,venous pressure and arterial pressure monitoring with the real time measured value by XL90 conductivity meter.Conclusions OBERS-3000 multifunctional hemodialysis machine can effectively eliminate uremic toxins,maintain electrolyte and acid-base balance,and can accurately display the monitoring parameters.Lianghong Yin Bo Hu Lihua Luo Lifeng Yang Guanmin Wu Liangyong Hu Fanna Liu Yu Chen Peitian Yang Long Xiao Huiyuan Zheng Tong Liu Hongwei Hu Chen Yun Ying Huang Xia Yu Folan Li Aiyun Cha Xiangnan Dong Huanhuan Liu Mingming Ma Yongpin Lu Taksui Wong Baozhang Guan Yingming Gu Zuhui Chen 2017临床医学工程2017,24,S1:0
15Efficacy and Safety of Febuxost at in the Treatment of Chronic Kidney Disease with Hyperuricemia: A Meta- Analysis显示文摘Background Febuxostat and allopurinol have different pharmacological mechanisms,the efficacy of febuxostat in chronic kidney disease complicated with hyperuricemia remains controversial.A meta-analysis and systemic review was conducted to investigate the efficacy and safety of febuxostat in CKD populations complicated with hyperuricemia.Methods A comprehensive search was conducted in multiple electronic databases based on the inclusion and exclusion criteria,before December 2016,searching for the published studies,including Chinese and English,relating to the use of febuxostat in CKD populations complicated with hyperuricemia,and manual retrieval of the inclusion literature.Literature evaluation and data extraction were performed by two reviewers,Rev Man 5.3 was used to perform the meta-analysis.Results Seven studies with 482 CKD patients were included in the meta-analysis.We found that febuxostat can significantly slow the decreasing speed of e GFR[RR=4.90,95%CI(1.95,7.84),P=0.001],and reduce serum uric acid[RR=-99.30,95%CI(-172.24,-26.37),P=0.008]levels in CKD patients complicated with hyperuricemia when compairing with control group.There was no significant difference in the levels of systolic blood pressure[RR=-2.19,95%CI(-9.99,5.61),P=0.58],diastolic blood pressure[RR=-2.30,95%CI(-7.33,2.73),P=0.10],low density lipoprotein[RR=-0.47,95%CI(-7.64,6.69),P=0.90]between the two groups.Compared with the control group,the use of febuxostat increase the incidence of adverse reaction[RR=4.73,95%CI(1.04,21.43),P=0.04]in patients.Conclusions Febuxostat can significantly lower serum uric acid level and effectively delay the process of chronic renal failure in CKD patients complicated with hyperuricemic,increases the incidence of adverse reaction,no significant difference in SBP,DBP,LDL,when compared with control group.Jingyun Ou Bin Yan Shenling Huang Mingming Ma Jun Ke Hongwei Hu Sibo Huang Xiangnan Dong Aiyun Cha Zuhui Chen Yu Mong Fanna Liu W.Pommer Chen Yun Yongpin Lu Shufei Zeng Lianghong Yin B.Hocher 2017临床医学工程2017,24,S1:0
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