1.Treatment progress of pains caused by transcatheter arterial chemoembolization and hepatic arterial infusion chemotherapy in hepatocellular carcinoma
Gui-Ying JIA ; Yan HUANG ; He HUANG ; Guang-You DUAN ; Ling DAN
Journal of Regional Anatomy and Operative Surgery 2024;33(2):170-174
		                        		
		                        			
		                        			Conversion therapy such as transcatheter arterial chemoembolization(TACE)and hepatic arterial infusion chemotherapy(HAIC)is the main treatment method to transform unresectable advanced liver cancer into resectable liver cancer,which can not only effectively increase the survival rate of patients,but also provide patients with the opportunity of liver transplantation.However,pain is a major complication of TACE and HAIC in the treatment of liver cancer,and the incidence of abdominal pain after TACE is from 19.3%to 71.2%,and nearly 64.6%of patients have different degrees of pain during HAIC,which seriously affects the quality of life of patients and shortens their survival time.At present,the mechanism of pains caused by TACE and HAIC is not clear,and it may be related to local liver tissue swelling after embolic agents block the tumor blood supply artery,increased pressure in the liver tissue envelope or traction of the mass capsule,chemical stimulation of the hepatic artery by embolic agents and antineoplastic drugs,thrombosis adjacent to the normal organs,and visceral pain sensitization caused by intestinal ischemia.There are two main intervention measures for pain,one of which is lidocaine,opioids,non-steroidal anti-inflammatory drugs and glucocorticoids,and the other is wrist and ankle acupuncture and traditional Chinese medicine decoction,but their treatment effects are uneven.This article summarizes the status and treatment of pain caused by TACE and HAIC therapies for liver cancer,in order to provide reference for its clinical treatment.
		                        		
		                        		
		                        		
		                        	
2.Molluscicidal effect and costs of spraying pyriclobenzuron with drones against Pomacea canaliculata
Xiaolin ZHAO ; Ying CHEN ; Yanyue HU ; Yanggeng XU ; Youqi WANG ; Dan LÜ ; Chuanxu WAN ; Yang SUN ; Liping DUAN ; Weisi WANG ; Shuijin HUANG
Chinese Journal of Schistosomiasis Control 2024;36(5):441-449
		                        		
		                        			
		                        			 Objective To evaluate the molluscicidal effects and costs of spraying 20% suspension concentrate of pyricloben-zuron sulphate (SCPS) with drones against Pomacea canaliculata in paddy environments, so as to provide insights into the extensive applications of pyriclobenzuron against P. canaliculata. Methods On July 2022, a paddy field was selected from Nanchang City, Jiangxi Province as the study area, and 72 independent rectangular plots measuring 2 m × 1 m were allocated in the study area, with 1 m interval between each plot, and 20 P. canaliculata snails gently placed in each plot. The activity of 25% wettable powder of pyriclobenzuron sulphate (WPPS) by manual spraying at doses of 0.50, 1.00, 2.00 g/m2 and 4.00 g/m2 against P. canaliculata was tested in 54 plots, and manual spraying of 50% wettable powder of niclosamide ethanolamine salt (WPNES) at a dose of 0.10 g/m2 served as a chemical control, while manual spraying of the same volume of clean water served as a blank control, with 9 plots in each group. The activity of SCPS against P. canaliculata was tested in the remaining 18 plots. Based on the molluscicidal tests of WPPS, the molluscicidal effect of SCPS by manual spraying at doses of 0.20, 0.30, 0.40 g/m2 and 0.50 g/m2 against P. canaliculata was evaluated, and manual spraying of WPNES at a dose of 0.10 g/m2 served as a chemical control, while manual spraying of the same volume of clean water served as a blank control, with three plots in each group. On July 2023, 14 paddy fields with a mean living P. canaliculata density of > 5 snails/m2 were selected from Yujiang District, Yingtan City, Jiangxi Province for molluscicidal tests. Based on the molluscicidal effect of pyriclobenzuron against P. canaliculata in plots, the molluscicidal effects of WPPS by manual spraying at doses of 0.25, 0.50 g/m2 and 1.00 g/m2 and manual applications of WPPS at dose of 0.25, 0.50, 1.00 g/m2 and 2.00 g/m2 mixed with soil were tested, and manual spraying of 0.10 g/m2 WPNES served as a chemical control group, while manual spraying of the same volume of clean water served as a blank control, with one paddy field in each group. Based on the effect of pyriclobenzuron against P. canaliculata in plots, the activity of SCPS sprayed with drones at doses of 0.25 g/m2 and 0.50 g/m2 mixed in water at 2 kg/667 m2 and 4 kg/667 m2 was tested against P. canaliculata, and spraying of the same volume of clean water with drones served as a blank control. All P. canaliculata snails were captured 3 days and 7 days following chemical treatment in plots and paddy fields and identified for survival, and the mortality and corrected mortality of P. canaliculata snails were estimated. In addition, the areas of chemical treatment, amount of molluscicide use and labor costs of chemical treatment were estimated in molluscicidal tests in paddy fields, and the costs of chemical treatment for an area covering 667 m2 by drones and manual applications were calculated. Results The mortality of P. canaliculata snails was all 100% in plots 3 days and 7 days following spraying WPPS at doses of 0.50, 1.00, 2.00 g/m2 and 4.00 g/m2, and the mortality rates of P. canaliculata snails were 66.67% to 100.00% 3 days post-treatment with SCPS at various doses (χ2 = 277.897, P < 0.05) and 76.67% to 100.00% 7 days post-treatment (χ2 = 274.206, P < 0.05). The mortality rates of P. canaliculata snails were 98.19% to 100.00% 3 days post-treatment with WPPS at various doses in paddy fields. There was a significant difference in the mortality of P. canaliculata snails among WPPS treatment groups and controls (χ2 = 270.778, P < 0.05), and there were no significant differences between WPPS treatment groups and the chemical control group (all P values > 0.05), while there were significant differences in the mortality of P. canaliculata snails between WPPS treatment groups and the blank control group (all P values < 0.05). The mortality rates of P. canaliculata snails were 89.83% to 95.31% 3 days post-treatment with SCPS at various doses sprayed with drones, and there was a significant difference in the mortality of P. canaliculata snails among SCPS treatment groups and the blank control group (χ2 = 1 132.892, P < 0.05). There were no significant differences in the mortality of P. canaliculata snails among SCPS treatment groups or water mixture groups (all P values > 0.05), and there were significant differences in the mortality of P. canaliculata snails between SCPS treatment groups and the blank control group (all P values < 0.05). The mortality rates of P. canaliculata snails were 94.62% to 100.00% 7 days post-treatment with SCPS at various doses sprayed with drones, and there was a significant difference in the mortality of P. canaliculata snails among SCPS treatment groups and the blank control group (χ2 = 1 266.932, P < 0.05), with the highest mortality found following spraying 0.50 g/m2 SCPS mixed in 2 kg/667 m2 water with drones (P < 0.05). The costs of P. canaliculata snail control by drones and manually were 35.85 Yuan/667 m2 and 43.33 Yuan/667 m2; however, the snail control efficiency was 6.67 times higher by drones than by manual applications. Conclusions SCPS sprayed with drones is highly active against P. canaliculata snails in paddy fields. SCPS sprayed with drones is highly efficient and low in cost for P. canaliculata snail control in paddy fields, beaches and river courses. 
		                        		
		                        		
		                        		
		                        	
3.Effect of Tripterygium wilfordii Polyglycoside on Expression of NFAT2/COX-2 in Kidney Tissues of Rats with Diabetic Nephropathy
Fengyang DUAN ; Chundong SONG ; Dan SONG ; Ying DING ; Xianqing REN ; Xia ZHANG ; Wensheng ZHAI ; Ting GUO ; Yaoxian WANG
Chinese Journal of Experimental Traditional Medical Formulae 2023;29(5):16-23
		                        		
		                        			
		                        			ObjectiveTo explore the underlying mechanism of Tripterygium wilfordii polyglycoside tablets (TWPT) in the prevention and treatment of kidney injury in diabetic nephropathy (DN) through the nuclear factor of activated T-cells 2(NFAT2)/cyclooxygenase-2(COX-2) pathway. MethodForty-two male SD rats of SPF grade were selected and randomly divided into a normal group (n=8) and an experimental group (n=34) after one week of adaptive feeding. The rats in the normal group were fed conventionally. The DN model was established in rats of the experimental group by intraperitoneal injection of streptozotocin (STZ) following one week of feeding on a high-fat and high-glucose diet. After the death and failure cases during modeling were eliminated, the remaining 24 model rats were randomly divided into model group, valsartan (8.33 mg·kg-1·d-1) group, and TWPT (5 mg·kg-1·d-1) group. Rats in normal group and model group were given equal amounts of normal saline by gavage. After six weeks, body weight was measured and urine samples were collected. Blood samples were collected from the abdominal aorta, and then the rats were sacrificed for sampling. Biochemical indicators, such as serum blood urea nitrogen (BUN), serum creatinine (SCr), alanine aminotransferase (ALT), blood lipid, blood glucose, and 24-hour urine total protein (24 h UTP), were determined. Hematoxylin-eosin (HE) staining and Masson staining were used to observe the pathology of the kidney. Enzyme-linked immunosorbent assay (ELISA) was used to detect NFAT2 and COX-2 expression levels in the serum. Western blot and Real-time fluorescence quantitative polymerase chain reaction(Real-time PCR)were adopted to detect NFAT2, COX-2 protein and mRNA expression in kidney tissues, respectively. ResultCompared with the normal group, the model group showed elevated 24 h UTP, BUN, SCr, CHO, TG, and FBG, increased serum NFAT2 and COX-2 production and expression (P<0.01), and elevated protein and mRNA expression of NFAT2 and COX-2 in kidney tissues (P<0.01). In addition, the pathology of the kidney showed enlarged glomeruli, mild proliferation of mesangial cells, and widened mesangial stroma. Compared with the model group, the TWPT group showed decreased 24 h UTP, BUN, SCr, CHO, TG, and FBG (P<0.05,P<0.01), basically normal glomerular morphology, decreased expression of serum NFAT2 and COX-2 (P<0.01), and down-regulated protein and mRNA expression of NFAT2 and COX-2 in kidney tissues (P<0.01). ConclusionTWPT can alleviate 24 h UTP in DN model rats, protect renal function, and improve renal pathology, and its mechanism of action may be related to the down-regulation of NFAT2/COX-2 expression in the serum and kidney tissues. 
		                        		
		                        		
		                        		
		                        	
4.Effect of multi-glycosides of Tripterygium wilfordii on renal injury in diabetic kidney disease rats through NLRP3/caspase-1/GSDMD pyroptosis pathway.
Chun-Dong SONG ; Dan SONG ; Ping-Ping JIA ; Feng-Yang DUAN ; Ying DING ; Xian-Qing REN ; Wen-Sheng ZHAI ; Yao-Xian WANG ; Shu-Li HUANG
China Journal of Chinese Materia Medica 2023;48(10):2639-2645
		                        		
		                        			
		                        			This study investigated the effect of multi-glycosides of Tripterygium wilfordii(GTW) on renal injury in diabetic kidney disease(DKD) rats through Nod-like receptor protein 3(NLRP3)/cysteine-aspartic acid protease-1(caspase-1)/gsdermin D(GSDMD) pyroptosis pathway and the mechanism. To be specific, a total of 40 male SD rats were randomized into the normal group(n=8) and modeling group(n=34). In the modeling group, a high-sugar and high-fat diet and one-time intraperitoneal injection of streptozotocin(STZ) were used to induce DKD in rats. After successful modeling, they were randomly classified into model group, valsartan(Diovan) group, and GTW group. Normal group and model group were given normal saline, and the valsartan group and GTW group received(ig) valsartan and GTW, respectively, for 6 weeks. Blood urea nitrogen(BUN), serum creatinine(Scr), alanine ami-notransferase(ALT), albumin(ALB), and 24 hours urinary total protein(24 h-UTP) were determined by biochemical tests. The pathological changes of renal tissue were observed based on hematoxylin and eosin(HE) staining. Serum levels of interleukin-1β(IL-1β) and interleukin-18(IL-18) were detected by enzyme-linked immunosorbent assay(ELISA). Western blot was used to detect the expression of pyroptosis pathway-related proteins in renal tissue, and RT-PCR to determine the expression of pyroptosis pathway-related genes in renal tissue. Compared with the normal group, the model group showed high levels of BUN, Scr, ALT, and 24 h-UTP and serum levels of IL-1β and IL-18(P<0.01), low level of ALB(P<0.01), severe pathological damage to kidney, and high protein and mRNA levels of NLRP3, caspase-1, and GSDMD in renal tissue(P<0.01). Compared with the model group, valsartan group and GTW group had low levels of BUN, Scr, ALT, and 24 h-UTP and serum levels of IL-1β and IL-18(P<0.01), high level of ALB(P<0.01), alleviation of the pathological damage to the kidney, and low protein and mRNA levels of NLRP3, caspase-1, and GSDMD in renal tissue(P<0.01 or P<0.05). GTW may inhibit pyroptosis by decreasing the expression of NLRP3/caspase-1/GSDMD in renal tissue, thereby relieving the inflammatory response of DKD rats and the pathological injury of kidney.
		                        		
		                        		
		                        		
		                        			Rats
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Animals
		                        			;
		                        		
		                        			Diabetic Nephropathies/genetics*
		                        			;
		                        		
		                        			Interleukin-18/metabolism*
		                        			;
		                        		
		                        			Glycosides/pharmacology*
		                        			;
		                        		
		                        			Tripterygium
		                        			;
		                        		
		                        			NLR Family, Pyrin Domain-Containing 3 Protein/metabolism*
		                        			;
		                        		
		                        			Rats, Sprague-Dawley
		                        			;
		                        		
		                        			Caspase 1/metabolism*
		                        			;
		                        		
		                        			Pyroptosis
		                        			;
		                        		
		                        			Uridine Triphosphate/pharmacology*
		                        			;
		                        		
		                        			Kidney
		                        			;
		                        		
		                        			Valsartan/pharmacology*
		                        			;
		                        		
		                        			RNA, Messenger/metabolism*
		                        			;
		                        		
		                        			Diabetes Mellitus
		                        			
		                        		
		                        	
5.Development and validation of prognostic nomogram for malignant pleural mesothelioma.
Xiao Jie XIE ; Jian You CHEN ; Jie JIANG ; Hui DUAN ; Yi WU ; Xing Wen ZHANG ; Shen Jie YANG ; Wen ZHAO ; Sha Sha SHEN ; Li WU ; Bo HE ; Ying Ying DING ; Heng LUO ; Si Yun LIU ; Dan HAN
Chinese Journal of Oncology 2023;45(5):415-423
		                        		
		                        			
		                        			Objective: To development the prognostic nomogram for malignant pleural mesothelioma (MPM). Methods: Two hundred and ten patients pathologically confirmed as MPM were enrolled in this retrospective study from 2007 to 2020 in the People's Hospital of Chuxiong Yi Autonomous Prefecture, the First and Third Affiliated Hospital of Kunming Medical University, and divided into training (n=112) and test (n=98) sets according to the admission time. The observation factors included demography, symptoms, history, clinical score and stage, blood cell and biochemistry, tumor markers, pathology and treatment. The Cox proportional risk model was used to analyze the prognostic factors of 112 patients in the training set. According to the results of multivariate Cox regression analysis, the prognostic prediction nomogram was established. C-Index and calibration curve were used to evaluate the model's discrimination and consistency in raining and test sets, respectively. Patients were stratified according to the median risk score of nomogram in the training set. Log rank test was performed to compare the survival differences between the high and low risk groups in the two sets. Results: The median overall survival (OS) of 210 MPM patients was 384 days (IQR=472 days), and the 6-month, 1-year, 2-year, and 3-year survival rates were 75.7%, 52.6%, 19.7%, and 13.0%, respectively. Cox multivariate regression analysis showed that residence (HR=2.127, 95% CI: 1.154-3.920), serum albumin (HR=1.583, 95% CI: 1.017-2.464), clinical stage (stage Ⅳ: HR=3.073, 95% CI: 1.366-6.910) and the chemotherapy (HR=0.476, 95% CI: 0.292-0.777) were independent prognostic factors for MPM patients. The C-index of the nomogram established based on the results of Cox multivariate regression analysis in the training and test sets were 0.662 and 0.613, respectively. Calibration curves for both the training and test sets showed moderate consistency between the predicted and actual survival probabilities of MPM patients at 6 months, 1 year, and 2 years. The low-risk group had better outcomes than the high-risk group in both training (P=0.001) and test (P=0.003) sets. Conclusion: The survival prediction nomogram established based on routine clinical indicators of MPM patients provides a reliable tool for prognostic prediction and risk stratification.
		                        		
		                        		
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Mesothelioma, Malignant
		                        			;
		                        		
		                        			Prognosis
		                        			;
		                        		
		                        			Nomograms
		                        			;
		                        		
		                        			Retrospective Studies
		                        			;
		                        		
		                        			Proportional Hazards Models
		                        			
		                        		
		                        	
6.Effect and influence factors of cardiopulmonary resuscitation in children with congenital heart disease in pediatric intensive care unit.
Gang LIU ; Jian Ping CHU ; Jian Li CHEN ; Su Yun QIAN ; Dan Qun JIN ; Xiu Lan LU ; Mei Xian XU ; Yi Bing CHENG ; Zheng Yun SUN ; Hong Jun MIAO ; Jun LI ; Sheng Ying DONG ; Xin DING ; Ying WANG ; Qing CHEN ; Yuan Yuan DUAN ; Jiao Tian HUANG ; Yan Mei GUO ; Xiao Na SHI ; Jun SU ; Yi YIN ; Xiao Wei XIN ; Shao Dong ZHAO ; Zi Xuan LOU ; Jing Hui JIANG ; Jian Sheng ZENG
Chinese Journal of Pediatrics 2022;60(3):197-202
		                        		
		                        			
		                        			Objective: To investigate the prognostic factors of children with congenital heart disease (CHD) who had undergone cardiopulmonary resuscitation (CPR) in pediatric intensive care unit (PICU) in China. Methods: From November 2017 to October 2018, this retrospective multi-center study was conducted in 11 hospitals in China. It contained data from 281 cases who had undergone CPR and all of the subjects were divided into CHD group and non-CHD group. The general condition, duration of CPR, epinephrine doses during resuscitation, recovery of spontaneous circulation (ROSC), discharge survival rate and pediatric cerebral performance category in viable children at discharge were compared. According to whether malignant arrhythmia is the direct cause of cardiopulmonary arrest or not, children in CHD and non-CHD groups were divided into 2 subgroups: arrhythmia and non-arrhythmia, and the ROSC and survival rate to discharge were compared. Data in both groups were analyzed by t-test, chi-square analysis or ANOVA, and logistic regression were used to analyze the prognostic factors for ROSC and survival to discharge after cardiac arrest (CA). Results: The incidence of CA in PICU was 3.2% (372/11 588), and the implementation rate of CPR was 75.5% (281/372). There were 144 males and 137 females with median age of 32.8 (5.6, 42.7) months in all 281 CPA cases who received CPR. CHD group had 56 cases while non-CHD had 225 cases, with the percentage of 19.9% (56/281) and 80.1% (225/281) respectively. The proportion of female in CHD group was 60.7% (34/56) which was higher than that in non-CHD group (45.8%, 103/225) (χ2=4.00, P=0.045). There were no differences in ROSC and rate of survival to discharge between the two groups (P>0.05). The ROSC rate of children with arthythmid in CHD group was 70.0% (28/40), higher than 6/16 for non-arrhythmic children (χ2=5.06, P=0.024). At discharge, the pediatric cerebral performance category scores (1-3 scores) of CHD and non-CHD child were 50.9% (26/51) and 44.9% (92/205) respectively. Logistic regression analysis indicated that the independent prognostic factors of ROSC and survival to discharge in children with CHD were CPR duration (odds ratio (OR)=0.95, 0.97; 95%CI: 0.92~0.97, 0.95~0.99; both P<0.05) and epinephrine dosage (OR=0.87 and 0.79, 95%CI: 0.76-1.00 and 0.69-0.89, respectively; both P<0.05). Conclusions: There is no difference between CHD and non-CHD children in ROSC and survival rate of survival to discharge was low. The epinephrine dosage and the duration of CPR are related to the ROSC and survival to discharge of children with CHD.
		                        		
		                        		
		                        		
		                        			Cardiopulmonary Resuscitation
		                        			;
		                        		
		                        			Child
		                        			;
		                        		
		                        			Child, Preschool
		                        			;
		                        		
		                        			Female
		                        			;
		                        		
		                        			Heart Arrest/therapy*
		                        			;
		                        		
		                        			Heart Defects, Congenital/therapy*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Intensive Care Units, Pediatric
		                        			;
		                        		
		                        			Male
		                        			;
		                        		
		                        			Retrospective Studies
		                        			
		                        		
		                        	
7.Role of Puerariae Lobatae Radix in Gegen Decoction for treatment of primary dysmenorrhea.
Gui-Yan HE ; Ying-Dan DUAN ; Fang HONG ; Bo-Yang YU ; Cheng-Zhi CHAI
China Journal of Chinese Materia Medica 2021;46(15):3926-3933
		                        		
		                        			
		                        			This study aimed to explore the characteristic role of Puerariae Lobatae Radix(PLR) in Gegen Decoction for the treatment of primary dysmenorrhea(PD). Estrogen(E_2) was combined with oxytocin to establish a mouse model of PD. The mice were randomly divided into a normal group, a model group, a Gegen Decoction group, a PLR-free Gegen Decoction group, a PLR group, and a positive drug group(ibuprofen). Writhing response times and writhing incubation of mice in each group were tested by behavio-ral assessment, and the serum levels of prostaglandin F_(2α)(PGF_(2α)), prostaglandin E_2(PGE_2), E_2, and progesterone(PROG) were detected by ELISA kits. Western blot method was adopted to detect cyclooxygenase-2(COX-2) and estrogen receptor alpha(ER_α) expression levels in uterine tissues. Doppler ultrasound was employed to detect changes in uterine artery blood flow in mice, including peak systolic blood flow velocity(maximum velocity), end-diastolic velocity(minimum velocity), peak systolic blood flow velocity/end-diastolic velocity(S/D), pulsatility index(PI), and resistive index(RI). Histopathological changes in the uterus were detected by HE staining. Based on the oxytocin-induced isolated uterine contraction model, the effects of Gegen Decoction, PLR-free Gegen Decoction, and PLR on the amplitude, frequency, and activity of isolated uterine contraction were compared to investigate the role of PLR in Gegen Decoction for the treatment of PD. The results showed that compared with the Gegen Decoction group, the PLR-free Gegen Decoction improved the indicators of PD except for E_2 content, ER_α expression, and uterine artery blood flow. PLR could significantly down-regulate the serum content of E_2 and the protein expression of uterine ER_α, and improve the uterine artery blood flow. The data suggested that PLR, as the sovereign drug of Gegen Decoction, might function in Gegen Decoction for the treatment of PD by mediating E_(2 )and improving the uterine artery blood flow.
		                        		
		                        		
		                        		
		                        			Animals
		                        			;
		                        		
		                        			Drugs, Chinese Herbal
		                        			;
		                        		
		                        			Dysmenorrhea/drug therapy*
		                        			;
		                        		
		                        			Humans
		                        			;
		                        		
		                        			Mice
		                        			;
		                        		
		                        			Plant Roots
		                        			;
		                        		
		                        			Pueraria
		                        			;
		                        		
		                        			Uterus
		                        			
		                        		
		                        	
8.Effects of resveratrol on the inflammatory response and renal injury in hyperuricemic rats
Benxi XIAO ; Wenjun MA ; Ying ZHENG ; Zhen LI ; Dan LI ; Yanjun ZHANG ; Yuanhong LI ; Duan WANG
Nutrition Research and Practice 2021;15(1):26-37
		                        		
		                        			 BACKGROUND/OBJECTIVES:
		                        			Hyperuricemic nephropathy is a common cause of acute kidney injury. Resveratrol can ameliorate kidney injury, but the explicit mechanism remains unclear.We investigated the effects of resveratrol on the inflammatory response and renal injury in hyperuricemic rats.MATERIALS/METHODS: A rat model of hyperuricemic nephropathy was established by the oral administration of a mixture of adenine and potassium oxinate. Biochemical analysis and hematoxylin and eosin staining were performed to assess the rat kidney function. Enzymelinked immunosorbent assays were performed to evaluate the immune and oxidative responses. 
		                        		
		                        			RESULTS:
		                        			The expression levels of urine albumin and β2-microglobulin were significantly decreased after resveratrol treatment. In addition, the levels of serum creatinine and uric acid were significantly decreased in the resveratrol groups, compared with the control group.The levels of proinflammatory factors, such as interleukin-1β and tumor necrosis factor-α, in kidney tissue and serum were also increased in the hyperuricemic rats, and resveratrol treatment inhibited their expression. Moreover, the total antioxidant capacity in kidney tissue as well as the superoxide dismutase and xanthine oxidase levels in serum were all decreased by resveratrol treatment. 
		                        		
		                        			CONCLUSIONS
		                        			Resveratrol may protect against hyperuricemic nephropathy through regulating the inflammatory response. 
		                        		
		                        		
		                        		
		                        	
9.High-proportion differentiation of neural stem cells into neurons and formation of neural networks induced by active biomaterial scaffolds in vitro
Ying LI ; Ai-Feng ZHANG ; Yu-Dan GAO ; Wen ZHAO ; Hong-Mei DUAN ; Peng HAO ; Jun-Kui SHANG ; Zhao-Yang YANG ; Xiao-Guang LI
Chinese Journal of Tissue Engineering Research 2018;22(9):1432-1437
		                        		
		                        			
		                        			BACKGROUND: Either good biocompatibility and biological activity of active biological materials or the potential of multidirectional differentiation of neural stem cells has great application prospect and value. OBJECTIVE: To investigate the effect of neurotrophic factor 3-chitosan active biomaterial scaffolds on the differentiation of neural stem cells and the expression of key proteins of the neurotrophic factor 3 signal pathway in vitro. METHODS: The neural stem cells were extracted and purified, and then divided into pure culture medium group, soluble neurotrophic factor 3 group, pure chitosan group, and neurotrophic factor 3-chitosan group for differentiation induction. The expression of TrkC, Akt / p-Akt and Erk/p-Erk in the neurotrophic factor 3 signaling pathway was detected by western blot after 6 hours of induction. After 7 days of induction, differentiation of neural stem cells was observed by immunocytochemistry of MAP2, MBP, and GFAP. After 14 days of induction, formation of neural network induced by neurotrophic factor 3-chitosan active biomaterials was observed by immunocytochemistry of MAP2, Synapsin-1, and PSD95. RESULTS AND CONCLUSION: The neurotrophic factor 3-chitosan group induced a high proportion of neural stem cells differentiated into neurons, with a ratio of 73.8%, which was significantly higher than that in the other three groups. Meanwhile, the proportion of cells differentiated into glial cells waslower than that in the other three groups. The expression of key proteins TrkC, p-Akt and p-Erk in the neurotrophic factor 3-chitosan group was higher than that in the other three groups. Meanwhile, neurotrophic factor 3-chitosan could induce the in vitro differentiation of neural stem cells to form neural network.
		                        		
		                        		
		                        		
		                        	
10. Study on the shift of ocular vestibular evoked myogenic potentials frequency tuning of Meniere′s disease
Yongsheng TIAN ; Xiuju ZHANG ; Rong MA ; Ying LIU ; Ping LIU ; Yan ZHANG ; Liangrong GUO ; Shuzhen WANG ; Dan WANG ; Xing DUAN ; Yuan YAO
Chinese Journal of Otorhinolaryngology Head and Neck Surgery 2018;53(12):904-908
		                        		
		                        			 Objective:
		                        			To study the shift of oVEMP frequency tuning of unilateral Meniere′s disease, by analyzing oVEMP of air-conducted tone bursts in various frequencies.
		                        		
		                        			Methods:
		                        			From May 2016 to October 2017, 33 patients with unilateral Meniere′s from Aerospace Center Hospital were tested for oVEMP in 500 Hz and 1 000 Hz air-conducted tone bursts respectively, and 20 healthy subjects(40 ears), matched for age and sex, were used as healthy control. The amplitudes of the N1-P1 wave and the frequency amplitude ratios of 500/1 000 Hz in affected ears, unaffected ears and normal ears were compared; and receiver operating characteristic curve was analyzed for frequency amplitude ratios of 500/1 000 Hz.
		                        		
		                        			Results:
		                        			By the 500 Hz tone-burst stimulus, the provocation rates of the oVEMP were 84.9%(28/33), 93.9%(31/33) and 97.5%(39/40) in affected ears, contralateral ears and the ears of normal controls, respectively. By the stimulus of 1 000 Hz tone-burst, the provocation rates of the oVEMP were 81.8%(27/33), 87.9%(29/33) and 82.5% (33/40) in affected ears, contralateral ears and normal control ears, respectively. Amplitudes of N1-P1 waveforms in 500 Hz air-conducted tone bursts in affected ears were under normal control ears and contralateral ears. There was significant difference between affected ears and healthy control ears (
		                        		
		                        	
            
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