1.Effects of lumbar facet joints in the pathogenesis of lumbar degenerative spondyiolisthesis
Yong XU ; Cai YUN ; Zhaoqing GUO
Chinese Journal of Postgraduates of Medicine 2012;35(21):1-3
[Objective]To study the pathogenesis of lumbar degenerative spondylolisthesis(LDS)through the degeneration degree of lumbar facet joints and the changes of the joint sagittal angle of little zygapophysial joints and the endplate hypozygal angle in patients with LDS and lumbar disc herniation (LDH).[Methods]The image data of 79 patients with lumbar degenerative diseases were collected from October 2009 to November 2011.There were 42 patients with L4-5 LDS(experimental group)and 37 patients in same age with L4-5 LDH(control group).The L4-5 facet joints were graded by Weishaupt ect.lumbar facet joint osteoarthritis imaging grading method.The joint sagittal angle of L4-5 little zygapophysial joints and the L4endplate hypozygal angle were detected by CT.The L4-5 facet joint osteoarthritis grading,joint sagittal angle of lumbar little zygapophysial joints,L4 endplate hypozygal angle and bilateral symmetry between two groups were compared.[Results]There was no grade 0 of facet joint osteoarthritis in both two groups.The numbers of grade 1,2,3 in experimental group were 4,20,18 cases,respectively,while the numbers in control group were 21,14,2 cases.There was significant difference between the numbers of two groups(P < 0.05).The joint sagittal angle of L4-5 little zygapophysial joint,deviation angle of sagittal angle asymmetry and L endphtehypozygal angle in experimental group(26.62°± 1.67°,8.79°± 4.28°,116.92±6.86°)had statistical significance compared with those in control group(45.07° ± 7.32°,5.14° ± 4.28°,104.95° ± 4.97°)(P <0.01).The deviation angle of endplate hypozygal angle asymmetry in experimental group had no statistical significance compared with that in control group(P > 0.05).[Conclusions] The sagittal orientation of lumbar facet joint angle and the endplate hypozygal angle increasing have important significance in LDS.
2.Advances on chemical constituents and bioactivities of genus Stellera.
Yun-yun YE ; Lu HAN ; Ping WEI ; Guo-zhu SU ; Tian-tian SU ; Chang-cai BAI
China Journal of Chinese Materia Medica 2015;40(22):4324-4332
Advance on chemical constituents and pharmacological activities of Stellera plants have been conducted. The chemical constituents include terpenes, coumarins, flavonoids, lignans, volatile oils, and other compounds. Pharmacological studies showed that diterpenoids and biflavones showed strong activities, such as antitumor, anti-HIV, and immune regulations. This review hopes to provide a scientific basis for further research and explorations of the medicinal values of the genus.
Animals
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Drugs, Chinese Herbal
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chemistry
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pharmacology
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Humans
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Molecular Sequence Data
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Molecular Structure
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Thymelaeaceae
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chemistry
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classification
3.Development of a Canine Adenovirus Type 1 Vaccine Strain E3-deleted Based Expression Vector
Hao LI ; Qi-Yi TANG ; Yun ZHANG ; Wang YUN ; Cai-Yun GUO
Acta Academiae Medicinae Sinicae 2001;23(1):40-44
Objective To evaluate canine adenovirus type 1 vaccine strain (Cannaught Laboratory Limited,CLL) as recombinant vaccine and gene transfer vector. Methods Recombinant virus CLLEGFP which contains enhanced green fluorescent protein(EGFP) reporter gene was constructed. CLLEGFP was used to infect various human derived cell lines (293, Hela, CO, SW, Hep-2 and CAM) by inoculating intraperitoneally(IP), intravenously(IV)and intramuscularly (IM)to Kunming mice other than oral administration. Various tissue samples of the mice were collected at multitime point for observing EGFP green fluorescence. Anti-EGFP antibodies were detected by Western blot analysis in the sera after 4 weeks. Results CLLEGFP can infect various human derived cell lines and express EGFP. EGFP green fluorescence were observed in liver tissue cells after IP transducing 3 days. All immune inoculation ways above could induce Kunming mice producing anti-EGFP antibodies which were identified by Western blot analysis. Conclusions These resluts indicate that CLL possess powerful potential as recombinant vaccine and gene transfer vector.
4.A restrospective analysis of intraoperative cell salvage during cesarean delivery
Haiya YAN ; Yun WU ; Song YE ; Xiaolei CAI ; Chunbo ZHOU ; Guo GAN
Chinese Journal of Anesthesiology 2016;36(11):1297-1301
Intraoperative cell salvage ( IOCS) was conducted during cesarean delivery from May 2011 to April 2016 in our hospital: when the volume of autologous blood collected from the surgical field≥800 ml during surgery and the parturients′hemoglobin≤100 g∕L after hemorrhage, the autologous blood was centrifuged, concentrated, washed and then filtered using a leucocyte depletion filter before reinfusion. IOCS was carried out in 1 085 cases during cesarean delivery within 5 yr. For the parturients who underwent IOCS, the percentage of patients who did not require transfusion of allogeneic red blood cells was 82.95%(900 cases), the percentage of patients who required plasma transfusion was 41.66% (452 cases), the percentage of patients who required platelet transfusion was 3.32% (36 cases), and no autologous blood transfusion?related adverse reactions were found during surgery and hospital stay. In conclusion, IOCS could be safely and effectively used for blood?saving effect in cesarean delivery.
5.Current Situation of TCM Human Resources Distribution and Equity Research in China
Hua-Yu WU ; Cai-Yun GAO ; Yu LIU ; Guo-Wu DING
Chinese Journal of Information on Traditional Chinese Medicine 2018;25(3):7-11
Objective To discuss existing problems in talent team construction; To provide evidence for the government to enact proper strategies based on the analysis of the current situation of TCM practitioners (assistants) distribution in China from quantity, quality and distribution equity. Methods The research is studied through conducting a descriptive analysis of TCM practitioners (assistants) from quantity, education, job titles, ages, and other basic conditions and changes. Gini coefficient was used to evaluate the distribution of TCM practitioners (assistants). Results The quantity of TCM practitioners (assistants) increased by 53.7% from 2010 to 2015. Concerning the quality of personnel, the ratio of the personnel with bachelors degree or above increased from 38.6% to 44.2%, and a slight increase was observed with the personnel with senior title. In terms of age structure, the proportion of the age of TCM practitioners (assistants) under 25 years old, 35 to 59 years old decreased, and the proportion of the age of TCM practitioners (assistants) above 60 years old, 25 to 34 years old increased. From the perspective of equity, there is a difference between the provincial-level administration of human resources distribution. The Gini coefficient as per population distribution was around 0.1, which indicated good equity. From the geographical area configuration, the Gini coefficient was approximately 0.58, which showed high level of disparity. Conclusion There are problems of insufficient quantity, low quality and distribution disparity among regions in TCM practitioners (assistant) in China.
6.TAXONOMY OF PLANT PATHOGENIC CORYNEFORM BACTERIA
Jian-Hua GUO ; Yong-Jian CAI ; Yong-Fang CHEN ; Yun-Ying GE ;
Microbiology 1992;0(01):-
There are many different opinions about the taxonomy of plant pathogenic coryneform bacteria since they were departed from genus of Corynebacteria. In recent years, they were classified into 5 genus, including Clav-ibacter, Curtobacterium, Arthrobacter, Rhodococcus and Rathayibacter. Some new points of view about their taxonomy have been published thereafter. The changing of taxonomy is maily because of the methods'altering from old to new molecular and polyphasic taxonomy, and the latter is in continuously development. Taxonomy of plant pathogenic coryneform bacteria somehow depends on the cooperation of phytopathologists, microbilogists and other scientists.
7.Characterization of Aminoacylase in the Mycelial Cell of Cunnighamella echinulata
Da-Xiang GAO ; Zhao-Lan LI ; Li-Yun GUO ; Qing-Cai JIAO ;
Microbiology 1992;0(04):-
The strain of Cunninghamella echinulata 9980 was first selected with high aminoacylase activity . In three submerged cultures, the aminoacylase activity in the mycelial cell was compared . A number of factors have effects on the resolution reaction. The results showed that, peptone culture gave the highest aminoacylase activity with 680U/g.The optium temperature,pH,and substrate concentration were 55℃, 7.0,and 0.2mol/L,respectively. The ions in the buffer lowered the activity,but the Co~(2+) in 10~(-4)~10~(-3 )mol/L was necessary for its activity.
8.Compared study of cyclic fatigue behaviors in two kinds of dental ceramic layers structures.
Jian-sheng SU ; Ling-yun GUO ; Wei-cai LIU
West China Journal of Stomatology 2007;25(2):166-172
OBJECTIVETo compare the difference in strength degradation and morphology damage of two dental ceramic materials after Hertzian contact cyclic fatigue.
METHODSHertzian contact technique was used to investigate the response of Empress II glass ceramic and GI- II glass-infiltrated alumina ceramic to cyclic fatigue. Critical loads of specimens after different fatigue cycles were recorded.
RESULTSFor Empress II glass ceramic, critical load had significantly difference between specimens after 10(5) cycles loading. No significant difference of critical load was found in GI- II glass-infiltrated alumina ceramic after cycles loading.
CONCLUSIONGI- II glass-infiltrated alumina ceramic has better capability in resistance to cyclic loading. It may attribute to microstructure of material. Empress II glass ceramic shows a brittle damage model.
Aluminum Oxide ; Aluminum Silicates ; Ceramics ; Dental Porcelain ; Glass ; Humans ; Materials Testing
9.A Novel Biocatalyst and Its Optimized Process for Preparing L-theanine
Jia-You LI ; Li-Yun GUO ; Qing-Cai JIAO
China Biotechnology 2007;27(10):34-38
L-theanine (γ-glutamylethylamide) is the main free amino acid component of tea and its favorable physiological effects on mammals have been reported. An enzymatic method for optically pure L-theanine production with a new L-aminoacylases-production fungi Cunnighamella echinulata 9980 was developed. The optimum conditions for enzymatic catalysis were at pH 6.5 with 50 mmol/L N-Acyl-DLtheanine and 40 mmol/L CoCl2. After 12-h incubation at 50℃,22.5 mmol/L L-theanine was obtained, the conversion rate against N-Acyl-L-theanine being 90%. Cunnighamella echinulata and the aminoacylase were applied in preparation of L-theanine.
10.Genetic polymorphism of nine non-CODIS STR loci in Hunan Province-based Chinese Han population.
Juan-juan GUO ; Ying LIU ; Ya-dong GUO ; Jie YAN ; Yun-feng CHANG ; Ji-feng CAI ; Ting LU ; Zha LAGABAIYILA
Journal of Forensic Medicine 2014;30(6):441-445
OBJECTIVE:
To determine the allelic frequency distribution and genetic parameters of nine non-CODIS DNA index systems of the short tandem repeat (STR) loci (D2S1772, D6S1043, D7S3048, D8S1132, D11S2368, D12S391, D13S325, D18S1364, and GATA198B05).
METHODS:
A total of 353 blood samples were collected, extracted, amplified, and analyzed from unrelated healthy individuals of Han nationality in Hunan Province, China.
RESULTS:
One hundred and fourteen alleles were observed in the population with corresponding allelic frequencies ranged from 0.001 0 to 0.323 0. For all the nine non-CODIS STR loci, the observed genotypic data showed no significant deviations from the Hardy-Weinberg equilibrium. The Ho, He, PIC, DP, and PE of the studied non-CODIS STR loci ranged from 0.1080 to 0.1950, 0.8050 to 0.8920, 0.7700 to 0.8600, 0.9250 to 0.9660 and 0.6070 to 0.7800, respectively.
CONCLUSION
Nine non-CODIS STR loci have high degrees of polymorphisms, which may be useful in individual forensic identification and parentage testing in forensic practice.
Alleles
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Asian People/genetics*
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China
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Ethnicity/genetics*
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Gene Frequency
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Genetics, Population
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Genotype
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Humans
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Male
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Microsatellite Repeats/genetics*
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Polymorphism, Genetic