1.A Follow-up Study of the Relationship between Endothelial Function and Insulin Resistance,Metabolic Syndrome in Obese Subjects
Lu-Yun ZHU ; Li-Ye HU ; Guang-Yu WANG
Chinese Journal of Prevention and Control of Chronic Diseases 2006;0(06):-
Objective To investigate the relationship between vascular endothelial function and insulin resistance(IR) and the incidence of metabolic syndrome(MS).Methods A seven-year follow-up study was conducted in 583 simple obese subjects who were chosen in 2000.Body fat,blood pressure,lipid profile,plasma glucose,insulin resistance index(HOMA-IR) and endothelium- dependent dilatation(EDD) were measured before and after the follow-up.Results A total of 177 new cases with MS were found during this seven years,which was 33.78% of all subjects who were followed up in 2007.Cumulative incidence of MS among seven-year was 38.14% in the impaired EDD group and 48.11% in the impaired EDD with IR group,both rates were higher than that of the IR group(25.00%)(P
2.Loop-mediated Isothermal Amplification Method for Detection of Nucleic Acids and its Application
Yan-Yun KUANG ; Si-Guang LI ; Yu-Ping LUO ;
Microbiology 1992;0(03):-
A novel nucleic acid amplification method,termed loop-mediated isothermal amplification(LAMP),which amplifies DNA with high specificity,efficiency,and rapidity under isothermal conditions,may be a valuable tool for the rapid detection of infectious diseases.This method employs a DNA polymerase that have activity of strand displacement DNA synthesis and a set of four specially designed primers that recognize a total of six distinct sequences on the target DNA.LAMP can amplify a few copies of DNA to 109 in less than an hour.The final products are stem-loop DNA with several inverted repeats of the target and cauliflower-like structures with multiple loops.A positive reaction would be shown as a ladder-like pattern in a gel electrophoresis analysis.Because of the advantage,the LAMP method will be widely applied to research of nucleic acid,clinical diagnosis of infectious diseases and detection of genetically modified organisms etc.
3.Effect of Point-of-care Hemoglobin/Hematocrit Devices and Autologous Blood Salvage on Reduction of Perioperative Allogeneic Blood Transfusion.
Wei-Yun CHEN ; Xue-Rong YU ; Jiao ZHANG ; Qing YUAN ; Yu-Guang HUANG
Chinese Medical Sciences Journal 2016;31(2):83-88
Objective To evaluate the effect of point-of-care hemoglobin/hematocrit (POC HGB/HCT) devices and intraoperative blood salvage on the amount of perioperative allogeneic blood transfusion and blood conservation in clinical practice.Methods A total of 46 378 medical records of 22 selected hospitals were reviewed. The volume of allogeneic red blood cell and plasma, number of patients transfused, number of intraoperative autologous blood salvage, total volume of autologous blood transfusion, and amount of surgery in the year of 2011 and 2013 were tracked. Paired t-test was used in intra-group comparison, while t-test of two isolated samples carried out in inter-group comparison. P<0.05 was defined as statistically significant difference.Results In the hospitals where POC HGB/HCT device was used (n=9), the average allogeneic blood transfusion volume per 100 surgical cases in 2013 was significantly lower than that in 2011 (39.86±20.20 vs. 30.49±17.50 Units, t=3.522, P=0.008). In the hospitals without POC HGB/HCT meter, the index was not significantly different between 2013 and 2011. The average allogeneic blood transfusion volume was significantly reduced in 2013 than in 2011 in the hospitals where intraoperative autologous blood salvage ratio [autologous transfusion volume/(autologous transfusion volume+allogeneic transfusion volume)] was increased (n=12, t=2.290, P=0.042). No significant difference of the above index was found in the hospitals whose autologous transfusion ratio did not grow.Conclusion Intraoperative usage of POC HGB/HCT devices and increasing autologous transfusion ratio could reduce perioperative allogeneic blood transfusion.
4.Complications in total ankle arthroplasty: a meta analysis.
Hong-mou ZHAO ; Yun-feng YANG ; Guang-rong YU
Chinese Journal of Surgery 2011;49(8):737-740
OBJECTIVESTo provide a cumulative data about the complications of second or third generation ankle prostheses in the literature, and to provide a summary high-grade complications associated with implant failure.
METHODSA comprehensive search for all relevant articles published in English from January 1995 to December 2010 was conducted. Two reviewers evaluated each study to determine whether it was eligible for inclusion and collected the data of interest. Meta-analytic pooling of results across studies was performed for the complications and failure rate.
RESULTSThirty-five primary studies with 4395 implants were identified. The three highest complications of total ankle arthroplasty were aseptic loosening (12.51%), intra-operative bone fracture (11.97%) and bony impingement (11.27%). The three high-grade complications associated with implant failure were aseptic loosening (45.00%), infection (33.00%) and malalignment (29.00%). The pooled mean failure rate was 10.98% (95%CI: 8.80% - 13.16%), and the pooled mean failure rate of STAR implant was 14.20% (95%CI: 10.64% - 17.76%).
CONCLUSIONSIt is found that aseptic loosening, infection and malalignment are high-grade complications associated with implant failure in total ankle arthroplasty. The orthopaedic surgeons should be more careful in the operation, and the patients should coordinate with the post-operative rehabilitation plan.
Arthroplasty, Replacement, Ankle ; adverse effects ; Humans ; Joint Prosthesis ; Postoperative Complications ; Prosthesis Failure
5.Chemical constituents from Morus notabilis and their cytotoxic effect.
Pan ZHEN ; Gang NI ; Xiao-guang CHEN ; Ruo-yun CHEN ; Han-ze YANG ; De-quan YU
Acta Pharmaceutica Sinica 2015;50(5):579-582
Une new flavonoids named as notabilisin K (1), together with four known compounds, morusin (2), mulberrofuran A (3), neocyclomorusin (4) and mornigrol F (5) are separated from 95% ethanol extracts of the twigs of Morus notabilis. Compounds 2-5 are separated from this plant for the first time. Notabilisin I, notabilisin J exhibits certain effect against cells of HCT-116, HepG2 and A2780 with IC50 values ranging from 1.47 μmol x L(-1) to 5.46 μmol x L(-1). Morusin exhibits strong effect against five kinds of human cancer cells (BGC823, A2780, HCT-116, HepG2 and NCI-H1650) with IC50 values ranging from 0.74 μmol x L(-1) to 1.58 μmol x L(-1).
Antineoplastic Agents, Phytogenic
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chemistry
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Benzofurans
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chemistry
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Flavonoids
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chemistry
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Hep G2 Cells
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Humans
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Inhibitory Concentration 50
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Morus
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chemistry
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Plant Extracts
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chemistry
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Terpenes
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chemistry
6.Analysis on genetic diversity among wild Dipsacus asperoides by SCoT.
Da-xia CHEN ; Xue ZHANG ; Guang-lin CUI ; Yu WANG ; Long-yun LI ; Ze ZHANG
China Journal of Chinese Materia Medica 2015;40(10):1898-1903
To investigate the genetic diversity among wild Dipsacus asperoides in China, 66 germplasmic resources of D. asperoides were analyzed by Start Codon Targeted Polymorphism (SCoT) molecular markers. Genetic distance was calculated by TREECONW software and the systematic diagram of genetic relationship was clustered by UPGMA method. The results showed that the totals of 181 bands were detected using 20 primers , among which 109 were polymorphic bands. The average percentage of polymorphic bands was 60.13%. Genetic distance changed from 0.030 6 to 0.181 4. The clustering results showed that there was no significant correlation between the classification of the wild D. asperoides and their geographical origin. The relatively high genetic diversity of D. asperoides provides the basis for breeding new varieties.
China
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DNA Primers
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genetics
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DNA, Plant
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genetics
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Dipsacaceae
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chemistry
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classification
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genetics
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Genetic Variation
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Phylogeny
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Polymorphism, Genetic
7.Identification and characterization of marker chromosome in Turner syndrome
Yue-Qiu TAN ; De-Hua CHENG ; Yu-Fen DI ; Lu-Yun LI ; Guang-Xiu LU ;
Chinese Journal of Obstetrics and Gynecology 2000;0(10):-
Objective To analyze the karyotypes of 11 cases of Turner syndrome with marker chromosome,and study the phenotypic effects resulting from the abnormal karyotype.Methods Eleven Turner syndrome patients had a mosaic karyotype and carried a marker chromosome,and 6 marker chromosomes were ring chromosomes.Their karyotypes were showed as mos.45,X/46,X,+mar or mos. 45,X/46,X,+r.Fluorescence in situ hybridization(FISH)technique with X/Y centromere probes was performed to determine the origin of the marker chromosome.Reverse chromosome painting technique was used to identify the breakpoints of two largest markers.Phenotype effects with different chromosome breakpoints were compared.Results All the 11 marker chromosomes were ring X chromosomes.The breakpoints of the r(X)were involved in Xp22,Xq22,Xq24 and Xq26,etc.Conclusions The marker chromosomes in Turner syndrome mainly originate from X chromosome and form ring chromosome X.Each r (X)in our patients was mosaic,indicating it was originated from mitosis error during early embryo development.To analyze the origin of the marker chromosome and the breakpoint of r(X)will provide guidance for the therapy and prognosis of the Turner syndrome patient.
8.Differentiation Between Vaccine Strain and Field Isolates of Classical Swine Fever Virus Using Polymerase Chain Reaction and Restriction Test
Yun ZHAO ; Yu-Ming QIN ; Guang-Chuan ZHANG ; Qi-Zu ZHAO ; Yi-Bao NIN ;
Microbiology 1992;0(03):-
A nest RT-PCR/restriction test has been developed in order to distinguish the lapinised vaccine strain from field isolates of classical swine fever virus. The restriction enzyme cut sites mapping of the major coding sequence of E2 gene lapinised vaccine strain and ShiMen strain of classical swine fever virus have been compared. Ten and sixteen unique restriction markers have been found in the lapinised vaccine strain and ShiMen strain. The restriction enzyme cut sites mapping of the twenty six unique restriction marker in the major coding sequence of E2 gene of 17 classical swine fever field isolates have been analyzed. Only 3 sites (HgaI、Hin8I及Hsp92I) are present in the lapinised vaccine strain sequence. Two pans of nested primers and a criteria of analysis have been designed for HgaI restriction marker site. The tests have been conducted first on the lapinised vaccine strain and ShiMen strain of classical swine fever virus resulting in predicted restrection patterns. Finally, the tests have been applied to 5 field isolates of different gene group analyzed by phylogenetic study. The result showed that only HCLV strain gene can be cut to 2 fragment by Hgal , and ShiMen strain and 5 field isolates cant be cut At the same time the sensitivity and specificity of nest RT-PCR have been tested. The sensitivity is 0. 2MLD. The specific fragment of BDV and BVDV were not obtained by the nest RT-PCR. These results showed that the development of the nest RT-PCR/restriction tests is very important for the control and perish of classical swine fever in china.
9.Clinical Features and Treatment of Human Parvovirus B_(19) Infection Associated Henoch-Schonlein Purpura
yu-hong, CAO ; guang-yun, ZHANG ; guo-cheng, ZHANG ; xin-wei, YANG ; cui-ling, DING
Journal of Applied Clinical Pediatrics 2004;0(09):-
0.05),but the latter was superior to the former in extinction of exanthem.4.B_(19)-DNA clearance of hormone group was 25.0%,that of gamma globulin group was 81.82%,and there was significant difference between 2 groups(P
10.Detection of Serum S-100? in Children with Acute Carbon Monoxide Poisoning and Its Clinical Significance
yu-hong, CAO ; guang-yun, ZHANG ; guo-cheng, ZHANG ; cui-ling, DING ; ru-ying, LI
Journal of Applied Clinical Pediatrics 2006;0(18):-
Objective To explore the changes serum S-100? in children with acute carbon monoxide poisoning and its clinical significance.Methods The levels of serum S-100? of 28 children with acute carbon monoxide poisoning and those of 20 healthy children were mea-sured by enzyme-linked immunosorbent assay.Results The serum S-100? levels of the study group and control group were(0.517?0.346)and(0.037?0.014)?g/L respectively,there was significant difference between two groups(t=6.197 P