1.Cloning and expression of cyclophilin A gene from Echinoccocus granulosus
Min LIU ; Yuzhe LI ; Hongxu XU ; Xuchu HU
Chinese Journal of Laboratory Medicine 2014;37(1):56-59
Objective In order to assess the value of Echinoccocus granulosus cyclophilin A (EgypA) in immune diagnosis,this novel gene was cloned and expressed.Methods By screening the EST library,the coding region of EgCypA was identified,and the PCR primers were designed based on this sequence.Bioinformatic tools were used to deduce the amino acid sequence of EgCypA and analyzed its biological characteristics.EgCypA was amplified from E.granulosus cDNA library by using PCR.Then,it was cloned into the prokaryotic expression vector pET28a and transformed into E.coli BL21.The recombinant protein was expressed in E.coli BL21 after IPTG induction.The immunogenicity of EgCypA was evaluated by Western blot using the Echinoccocus granulosus and other parasites infected animals' sera.Results Results of SDS-PAGE electrophoresis show that the recombinant BL21 expressed 18 400-25 000 protein,which was identical with the molecular weight calculated by bioinformatic analysis.Western blot shows that the recombinant protein only reacted with its immune serum and E.granulosus cystic fluid immune serum,and EgCypA immune serum could react with the excretion and secretion antigen from E.granulosus protoscolexes,and no cross-reaction between EgCypA and sera from other parasites infected animals.Conclusions Cloning and expression of EgCypA are successful.EgCypA has good immunologic activity and could be a candidate molecular for immune diagnosis of echinococcosis in early stage.
2.Clinical values of using platelet rich plasma with autologous fat injection in facial rejuvenation
Chang LIU ; Yuzhe CHEN ; Yajuan XU ; Qi QU ; Jun CHEN
Chinese Journal of Medical Aesthetics and Cosmetology 2016;22(2):67-70
Objective To explore the clinical value of autologous fat injection with platelet rich plasma in facial rejuvenation.Methods 35 female beauty seekers were collected in this study.They were divided into two groups:sample autologous fat group (FAT group,n=20) and combined autologous fat and platelet-rich plasma group (PRP group,n =15).The average level of injection was 34 ml.The fat was collected at the abdominal or thigh sites using 18 G needle connecting with negative pressure suction-pump.The fat was centrifugated 2 min to get rid of the lower layer of water and the upper layer of oil.Weigao PRP extract kit was used to obtain the PRP.The ratio of PRP to fat was 1:5.The injection technique was according to Colemen method.The survival rate,satisfaction and complication were compared between the 2 groups.Results There were no infection,hematoma,fat liquefaction necrosis occurred in the 2 groups.Compared with the FAT group,the skin texture and facial contour of the PRP group was improved.Conclusions The platelet rich plasma can improve the survival rate of fat and has a stable effect,which is one of the safe and ideal methods of facial rejuvenation.
3.Clinical efficacy of dual plane breast augmentation using perinipple incision
Yuzhe CHEN ; Chang LIU ; Yingxia CHEN ; Chuanhong GONG ; Qi QU ; Yajuan XU
Chinese Journal of Medical Aesthetics and Cosmetology 2015;21(4):193-195
Objective To study the technology and the result of dual plane breast augmentation using nipple margin vertical incision of areola.Methods Totally 60 cases of augmentation mammaplasty were involved in this study.The nipple margin vertical incision of areola was applied obliquely into the breast through the pectoralis major fascia.The rib starting point of pectoralis major were cut off,medial to the side of the sternum.Under the pectoralis major the cavity was peeled according to the preoperative design range.Based on the different situation of the breast types Ⅰ,Ⅱ,Ⅲ,dual plane breast augmentations were stripped respectively.After implanting the breast prosthesis,the upper part of the prosthesis was under the pectoralis major and the lower part was under the mammary gland.Results The 60 patients were all after childbearing,20 of whom underwent type 2 dual plane breast augmentation,4 underwent type 3 double plane and the rest underwent type 1 double plane.After 3 months to 2 years follow-up,all cases got satisfactory results,except 1 case of postoperative hematoma and 1 case appeared capsular contracture.Conclusions The nipple margin vertical incision of areola can complete types Ⅰ,Ⅱ,Ⅲ dual plane breast augmentation operation,at the same time it can correct mild-to-moderate mastoptosis.
4.Association study of PRM2 gene polymorphism with male infertility in the 386 Chinese Han population
Jun LI ; Fang LIU ; Xuemei YANG ; Yaman SONG ; Yanping FENG ; Yuzhe TAN
Chongqing Medicine 2016;45(16):2215-2216,2219
Objective To determine the association of one single nucleotide polymorphism loci G 398C in PRM2 with male in‐fertility in Chinese Han population .Methods A total of 386 infertile men were recruited as the observation group and 255 fertile men were recruited as the control group .Routine semen analysis as well as sperm functional parameters such as DNA integrity and nucleoprotein maturity rates were analyzed .Direct sequencing of G398C in PRM2 gene of infertile and fertile men was also conduc‐ted to evaluate the association of G398C SNP loci with male infertility .Results Statistical analysis showed that the frequencies of CC genotype of PRM2 G398C was significantly different between the infertile (11 .92% ) and fertile men (6 .67% ) and it was asso‐ciated with increased risk of male infertility (OR= 2 .002 ,95% CI= 1 .097 -3 .653 ,P< 0 .05) .Moreover ,it was discovered that sperm DNA integrity as well as nucleoprotein maturity rate of CC genotype were dramatically decreased compared with other geno ‐types (P<0 .05) ,which would probably lead to infertility .Conclusion Our results gave the first evidence that PRM 2 G398C poly‐morphism was associated with male infertility in Chinese Han population .
5.Opportunity of ureterectomy for laparoscopic gastric cancer patients based on enhanced recovery after surgery
Peng LIU ; Liqun XU ; Yuzhe WEI
Chinese Journal of Practical Nursing 2020;36(19):1457-1462
Objective:To explore the safety and feasibility of the concept of enhanced recovery after surgery in the removal of catheters at different stages after laparoscopic gastric cancer surgery.Methods:A total of 219 patients who underwent laparoscopic radical gastrectomy in Harbin Medical University Cancer Hospital from December 2017 to January 2019 were selected as the research subjects. All patients were divided into groups A, B, and C according to the random number table with 73 cases each. One case in each group fell off, and 72 cases in each group finished the study. In group A, the ureter was removed 12 hours after operation; in group B, the ureter was removed 24 hours after operation; in group C, the ureter was removed 48 hours after operation. The urination-related indicators and rehabilitation indicators among the three groups of patients were compared.Results:There was no significant difference in the number of cases of urinary urination, the number of urinary retention and reinsertion cases, the number of urinary tract irritation, the number of urinary routine abnormalities, and the urination pain score after the first urinary extubation ( P> 0.05). The patients in group A got out of bed activity time, first ventilation time, postoperative hospital stays, total hospital stays, total hospitalization costs were (10.26 ± 4.51) h, (28.74 ± 8.04) h, (4.94 ± 1.73) d, (6.68 ± 1.93) d, (7.19 ± 0.31) ten thousand yuan, group B were (16.37 ± 5.13) h, (39.16 ± 11.52) h, (5.27 ± 1.97) d, (7.83 ± 1.88) d, (7.51 ± 0.36) ten thousand yuan, and group C were (24.19 ± 5.77) h, (54.37 ± 17.49) h, (6.48 ± 1.73) d, (8.16 ± 1.81) d, (7.98 ±0.42) ten thousand yuan. There were statistically significant differences among the three groups ( F values were 12.376 - 131.721, all P <0.01). Conclusions:It is safe and feasible to remove the catheter early after laparoscopic gastric cancer surgery under the concept of enhanced recovery after surgery. It can promote the early recovery of patients, reduce hospitalization time and reduce the overall economic burden of patients.
6.A retrospective study of antiepileptic drugs, etiology and seizure patterns in hospitalized patients with epilepsy
Junqiang LI ; Pengpeng LIU ; Tiaowen LING ; Yuzhe GONG ; Lu TIAN ; Zhenyu FAN ; Tiancheng WANG
Chinese Journal of Nervous and Mental Diseases 2018;44(5):266-271
Objective The aim of this study was to investigate and analyze the etiology, seizure type and anti-epileptic drugs (AEDs) utilization of in-patients with epilepsy Methods The study included 5563 cases in-patients with epilepsy. The etiology and seizure type and the date of type, quantity of AEDs in-patient department were collected and their usage frequency were analyzed statistically. Results The most common etiology of epilepsy was traumatic brain injury(13.64%), followed by hippocampal sclerosis (11.52%), stroke (5.24%), nervous system infection (4.98%), perinatal injury ( 5 . 28 % ) and undefined etiology ( 40 . 80 % ) . The most common seizure type was partial seizures (45.43% ). The AEDs of carbamazepine and valproate were the most common used drugs in the clinical and their average usage frequency were 36.88% and 30.80%, respectively. The newer AEDs of Lamotrigine and Levetiracetam were used more frequently. The use of Lamotrigine increased from 16.16% to 28.44% and the Levetiracetam from 0.61% to 20.87% whereas the use of Oxcarbazepine and Topiramate remained a stable level of 15.07% and 9.42%. Conclusion The etiology of epilepsy is complicated and the seizure type of epilepsy was diverse. Among a great variety of anti-epileptic drugs, the newanti-epileptic drugs are being increasingly used.
7.Study on the TCM Medication Law of Asymptomatic Hyperuricemia Based on Data Mining
Qin WU ; Yanan ZHANG ; Yixuan LIU ; Yuzhe CAI ; Jing CHEN ; Yihui DENG
Chinese Journal of Information on Traditional Chinese Medicine 2024;31(4):31-37
Objective To explore the characteristics of TCM in the treatment of asymptomatic hyperuricemia based on data mining.Methods Clinical literature on the TCM treatment of asymptomatic hyperuricemia in CNKI,Wanfang Data,VIP and SinoMed was retrieved.After screening,the prescriptions obtained were input into Excel 2019 database,and SPSS Modeler 18.0,SPSS Statistics 26.0 and Cytoscape 3.9.1 were used for frequency analysis,association rule analysis,clustering analysis and factor analysis.Results A total of 133 articles meeting the criteria were included,and 140 prescriptions were included,involving 202 kinds of Chinese materia medica,with a total frequency of 1 387 times.22 drugs,such as Smilacis Glabrae Rhizoma,Coicis Semen,Dioscoreae Spongiosae Rhizoma,Astrctylodis Rhizoma,were frequently used in the treatment of asymptomatic hyperuricemia.The commonly used drugs were drugs for urine excretion to strain off dampness,tonics,clearing heat,promoting blood circulation and removing blood stasis.The medicinal property was mainly warm,the medicinal taste was mainly sweet,and the meridians were mainly liver,spleen,stomach and kidney meridians.21 groups of medicinal combinations were obtained by high frequency drug association rule analysis,among which the core drug pairs were Coicis Semen-Astrctylodis Rhizoma,Smilacis Glabrae Rhizoma-Dioscoreae Spongiosae Rhizoma-Coicis Semen,Coicis Semen-Astrctylodis Rhizoma-Smilacis Glabrae Rhizoma,etc.Clustering analysis obtained 5 clustering methods,and factor analysis obtained 7 common factors.Conclusion In the TCM treatment of asymptomatic hyperuricemia,the main methods are urine excretion to strain off dampness,strengthening spleen and tonifying qi,and the main drugs are Smilacis Glabrae Rhizoma,Coicis Semen,Dioscoreae Spongiosae Rhizoma,Astrctylodis Rhizoma,which can provide reference for clinical treatment of asymptomatic hyperuricemia.
8.Blood flow restriction combined with resistance training attenuates renal fibrosis in type 2 diabetic rats by inhibiting TGF-β1/Smad3 pathway
Qiuping LIN ; Yuzhe ZHA ; Yiran LIU ; Qian YU ; Zhaowen TAN ; Yan ZHAO
Chinese Journal of Pathophysiology 2024;40(8):1470-1478
AIM:To investigate the improvement effect of blood flow-limited resistance training on renal fibro-sis in type 2 diabetes mellitus(T2DM)rats and its potential mechanism to attenuate renal fibrosis by inhibiting the trans-forming growth factor β1(TGF-β1)/Smad3 signaling pathway.METHODS:The T2DM model was prepared by combining a high-fat diet and streptozotocin(STZ),and after successful modeling,the rats were randomly divided into a T2DM con-trol group,a low-load resistance training group,a high-load resistance training group,a blood flow restriction group and a blood flow restriction combined with resistance training group for 8 weeks of exercise.The renal index,fasting blood glu-cose(FBG),serum creatinine(SCr),and blood urea nitrogen(BNU)were recorded in each group.The morphological changes of the kidneys were observed by hematoxylin and eosin(HE)and Masson's trichrome staining,and the collagen volume fraction was calculated.The mRNA expression levels of renal Klotho,TGF-β1,and α-smooth muscle actin(α-SMA)were detected by RT-qPCR.The protein expression levels of renal Klotho,TGF-β1,Smad3,phosphorylated Smad3(p-Smad3),α-SMA and connective tissue growth factor(CTGF)were detected using Western blot.RESULTS:Compared with the other groups,FBG,SCr,BNU,and renal collagen volume fraction were significantly decreased in the blood flow restriction combined with resistance training group of rats(P<0.05),Klotho expression was significantly in-creased(P<0.05),and the expression of TGF-β1,p-Smad3,CTGF and α-SMA was significantly decreased(P<0.05),and there was no significant change in the expression level of Smad3(P>0.05).CONCLUSION:Blood flow restriction combined with resistance training attenuates renal fibrosis in T2DM rats,the mechanism of which may be related to the up-regulation of Klotho expression,disruption of the TGF-β1/Smad3 signaling pathway,and inhibition of the deposition of epi-thelial-mesenchymal transformation.
9.Study on TCM Medication Law in Acute Gouty Arthritis Based on Data Mining
Qin WU ; Yanan ZHANG ; Yixuan LIU ; Yuzhe CAI ; Jing CHEN ; Jingjing YANG ; Zheng LUO ; Yihui DENG
Chinese Journal of Information on Traditional Chinese Medicine 2024;31(7):25-31
Objective To explore the characteristics of TCM prescriptions for acute gouty arthritis based on data mining methods;To provide reference for clinical treatment.Methods The clinical literature on the TCM treatment of acute gouty arthritis was retrieved from CNKI,Wanfang Data,VIP and SinoMed.The obtained formulas were input into Excel 2019 to establish a database,and SPSS Modeler 18.0,SPSS Statistics 26.0 and Cytoscape 3.9.1 were used for frequency analysis,association rule analysis,clustering analysis and factor analysis.Results A total of 290 articles meeting the requirements were included,including 295 prescriptions,involving 218 kinds of Chinese materia medica,with a total frequency of 3 573 times.24 kinds of Chinese materia medica,including Coicis Semen,Phellodendri Chinensis Cortex,Atractylodis Rhizoma,Smilacis Glabrae Rhizoma,Dioscoreae Spongiosae Rhizoma,Glycyrrhizae Radix et Rhizoma,Achyranthis Bidentatae Radix were used frequently in the treatment of acute gouty arthritis.The commonly used drugs were heat-clearing drugs,moisture-clearing drugs,blood circulation-activating drugs for removing blood stasis,and wind-dampness drugs.The property was mainly cold,the taste was mainly bitter,and the meridians were mainly liver,stomach,spleen and kidney meridians.The analysis of high-frequency drug association rules obtained 22 drug combinations,among which the core drug pairs were Phellodendri Chinensis Cortex-Atractylodis Rhizoma,Coicis Semen-Atractylodis Rhizoma-Phellodendri Chinensis Cortex.Clustering analysis obtained 4 clustering methods,and factor analysis obtained 9 common factors.Conclusion The main treatment of acute gouty arthritis by TCM is clearing heat and dampness,removing blood stasis and clearing collaterals,tonifying liver and kidney,regulating spleen and stomach,which could provide reference for the clinical treatment of acute gouty arthritis.
10.Initial experience with computed tomography-ultrasound image fusion guided percutaneous nephrolithotomy (CT-US PCNL)
Jianxing LI ; Bo XIAO ; Yuzhe TANG ; Xin ZHANG ; Weiguo HU ; Song CHEN ; Meng FU ; Boxing SU ; Shu WANG ; Yubao LIU
Chinese Journal of Urology 2017;38(9):658-661
Objective To explore the safety and efficacy of fusion imaging technique and traditional ultrasound guidance in percutaneous nephrolithotomy,and to compare the difference of two methods for PCNL.Methods Patients with renal calculus,who underwent percutaneous nephrolithotomy from January 2016 to August 2016,were enrolled in the study.The patients were randomly divided into two groups by SAS software.The control group was treated with traditional ultrasound guided puncture technique (Ultrasound group).Experimental group was treated with fusion imaging method (CT-US group).Preoperative patient CT image data was uploaded to the image fusion ultrasound machine for data synchronization.Both groups used the same way to establish a standard channel (F24).Lithoclast system from EMS was used to remove stones.Intraoperative parameters (time to define the target calyx,access establishment time,operative duration) and postoperative perioperative data (estimated blood loss,stone-free rate,severe complications) were compared between the two groups.Results 65 cases of patients were enrolled into the study.There was no significant difference in age (P =0.72),body mass index (P =0.78),stone size (P =0.53) and so on.Compared with the control group,the time duration to define the target calyx in CT-US group is significantly decreased in experiment group(50.4 ± 18.1) s vs.(82.1 ± 37.7) s,(P =0.02).The time to establish the access and fulfill the procedure shows no significant difference between the two groups,respectvely(P =0.45,0.61).Also,significant differences can be found in the hemoglobin loss during and after the surgery(1.1 ± 0.5) g/L vs.(1.4 ± 0.4) g/L (P =0.04).The difference in severe complications (Clavien Ⅲ and above),stone-free rate (P =0.60) and transfusion rate (P =1.00) was not significant.Conclusions Our primary study shows CT-altrasound image fusion guide PCNL is a safe and reliable technology.The time duration to define the target calyx was decreased compared with traditional US guidance method.The target calyx chosen was more accurate,with lower blood loss during the perioperative period.