1.Research progress on Drynaria fortunei naringin on inflammation and bone activity.
Fang-ming YIN ; Lian-bo XIAO ; Yun ZHANG
China Journal of Orthopaedics and Traumatology 2015;28(2):182-186
Flavonoid naringin is widely distributed in various types of plants and is an important component of herbal Drynaria. In previous studies, Drynaria has been demonstrated to have inhibitory effects on inflammatory responses and bone destruction and exert anabolic effects on bone, has been widely used in the clinical treatment. Naringin, was in the stage of experimental yet. The experimental results have confirmed that naringin suppressed inflammation including arthritis by lowering the expression of inflammatory cytokines, and the mechanism can be explained as reducing the expression of NF-κB. Naringin has been shown to increase osteoblast proliferation by increasing the expression of BMP-2, inhibit osteoclast activity by reducing the expression of RANKL. In animal experimental, naringin was useful for osteoporosis, and the mechanisms are in-depth studies. Research in the field of traditional Chinese medicine and orthopedics, naringin as a explicit material structure in the components of Drynaria, has been concerned about the experimental studies, it is not only prosperity the development of traditional Chinese medicine research,but also ready for clinical studies anti-inflammatory and bone effects of naringin in the future.
Animals
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Anti-Inflammatory Agents
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pharmacology
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Bone and Bones
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drug effects
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Flavanones
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pharmacology
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Humans
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Medicine, Chinese Traditional
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Osteoblasts
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drug effects
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Osteoclasts
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drug effects
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Osteoporosis
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drug therapy
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Polypodiaceae
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chemistry
2.Determination of Verbascoside in Mitonghua Granules by HPLC
Ming YIN ; Juan MOU ; Huafen XIAO ; Lirong DONG ; Zongshun LI
Traditional Chinese Drug Research & Clinical Pharmacology 2000;0(06):-
Objective To develop a method for determining verbascoside in Mitonghua Granules by HPLC. Method Verbascoside was determined by HPLC method,Agilent ZORBAX-Extend C18 column (4.6 mm?150 mm,5?m) with Acetonitrile-1 %Acetic acid(13∶87) as the mobile phase was used for elution.The flow rate was at 1.0 mL/min and the detective wavelength was at 334 nm. The column temperature was at 30 ℃. Results There was a good linearity relationship at the range of 0.062 8~1.256 0 ?g for verbascoside (r=0.999 83) .The average recovery was 99.61 %,and RSD was 1.55 %(n=6). Conclusion The method is simple,reproducible and accurate with a good repeatability,and can be used for the quality control of Mitonghua Capsules.
3.Expression of caspase-3 in the rat brain following pentylenetetrazole-induced epilepsy
Xiao-ming GUO ; Wei-wei WANG ; Yin-hua WANG
Chinese Journal of Rehabilitation Theory and Practice 2005;11(5):343-344
ObjectiveTo investigate the expression of caspase-3 in the brain of acutely pentylenetetrazole(PTZ)-kindled rats.MethodsThe caspase-3 positive cells were revealed using immunohistochemical SP method. CMIAS image analysis system was used to analyse the expression of caspase-3 hemi-quantitatively. ResultsFollowing PTZ induced epilepsy, the expression of caspase-3 increased both in the hippocampus and in the cortex, and that was more remarkable in the hippocampus than in the cortex.ConclusionCaspase-3 may be activated during neuronal apoptosis after epilepsy. Hippocampus is more sensitive to the neuronal damage due to epilepsy than the cortex is.
4.The inhibitory effect of ozanimod on the growth and biofilm formation of Staphylococcus aureus
LIU Xiao-ming ; ZHANG Chao-qin ; XIAO Xiao-yin ; YU Zhi-jian ; ZHENG Jin-xin
China Tropical Medicine 2022;22(09):797-
Abstract: Objective To screening new compounds that can inhibit the growth and biofilm formation of Staphylococcus aureus. Methods Compounds that can inhibit the growth of Staphylococcus aureus were screened from the FDA approved drug library by 96 well plates. The absorbance value of 600 nm wavelength (OD600) was measured by Microplate Reader to detect the growth of Staphylococcus aureus planktonic cells in the culture supernatant. The minimum inhibitory concentration (MIC) of ozanimod against Staphylococcus aureus clinical isolates were detected by micro broth dilution method. The inhibitory effect of sub-inhibitory concentrations of ozanimod on the biofilm formation of Staphylococcus aureus was detected by crystal violet staining. Results This study found that ozanimod could significantly inhibit the growth of Staphylococcus aureus SA113 (screening reference strain), and the MIC was 25.00 μmol/L. The MIC of ozanimod against 119 clinical isolates of Staphylococcus aureus [65 isolates of methicillin sensitive (MSSA) and 54 isolates of methicillin resistant (MRSA)] was 12.50 or 25.00 μmol/L. The MIC50 and MIC90 of ozanimod against the 119 Staphylococcus aureus isolates all were 25.00 μmol/L. This study found that 6.25, 12.50, 25.00 μmol/L of ozanimod could significantly inhibit the biofilm formation of 2 MSSA and 2 MRSA. The sub-MIC concentration of ozanimod (12.50 μmol/L) could significantly inhibit the biofilm formation of 14 MSSA and 11 MRSA, but had no inhibitory effect on the growth of planktonic cells of these Staphylococcus aureus isolates. Conclusion Ozanimod can inhibit the growth of Staphylococcus aureus, including MRSA, and has good antibacterial activity. The sub-MIC concentration of ozanimod could significantly inhibit the biofilm formation of Staphylococcus aureus.
5.An assessment of the effectiveness of health education on controlling of endemic fluorosis in Guizhou province
Xiao-ming, WANG ; Yin, LIANG ; Xiao-qiang, HU ; Rui-zhi, ZHANG ; Bo-you, ZHANG ; Jing, GAO
Chinese Journal of Endemiology 2012;31(4):455-457
Objective To evaluate the effectiveness of health education on controlling of coal-burning-borne endemic fluorosis(referred to as endemic fluorosis) in Guizhou,and to provide a scientific basis for development of control strategies.Methods A total of 37 counties were selected in Guizhou province,and 3 townships were chosen in each project county.Heath educational activities were carried out in the classes of grade 5 in the Central Primary School of each selected township.In the meantime,3 villages were chosen in each selected township where the health education for women of child-bearing age in the community was carried out.Survey on knowledge questionnaire of endemic fluorosis control was conducted among 30 students of grade 5 in the Central Primary School and 15 women of childbearing age of each selected township before and after the health educational activities.Results The knowing rate of endemic fluorosis control of pupils in all the 37 counties increased from 45.03%(14637/32505) to 89.79%(52898/58910),of women of child-bearing age increased from 38.97% (5729/14700) to 76.55%(19198/25080) after the health education.ConclusionsThe knowing rate of endemic fluorosis control among pupils and women of child-bearing age is remarkably increased after implementing the health education projects.They have better life and health habits,and the project has reached desired goal.
6.Learning resource exploration of anesthesiology postgraduate
Yu-qing WU ; Cheng-hua ZHOU ; Yong-ping WU ; Xiao-xing YIN ; Li-cai NG ZHA ; Yin-ming ZENG
Chinese Journal of Medical Education Research 2011;10(11):1296-1298
Thorough excavation and artful utilization of various kinds concrete and invisible learning resources contribute to the cultivation of excellent postgraduates.In postgraduate education of anesthesiology Xuzhou Medical College utilizes time,network,technique platform,research outcome,self-potentiality and clinical patients resources,which produces an active effect and has important instructional significance.
7.Discussion on needling manipulation of Chifeng Yingyuan.
Xin-yin XU ; Tao QU ; Xiao-ming ZHANG ; Chang-zheng WU
Chinese Acupuncture & Moxibustion 2014;34(9):884-886
Regarding the needling manipulation, Chifeng Yingyuan, there are different descriptions in ancient medical literature and the current teaching materials or clinical reports, especially for the understanding recorded in Jinzhenfu Poem of Golden Needle). In the current teaching materials and clinical reports, it is described that the needle is inserted deeply at first, and then shallowly; afterward, the needle tip is pushed to the middle layer and manipulated with lifting, thrusting and rotating technique, combined with twisting and flying method. After analyzing the original description in the book and the feasibility of function and operation, the authors introduced their recognition on its manipulation and techniques in this article. This manipulation should be: the needle is inserted to the middle layer, afterward, the needle body is pulled and tilted toward each of the four directions, on this basis, then twisting and flying method is applied.
Acupuncture
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education
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history
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Acupuncture Points
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Acupuncture Therapy
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history
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instrumentation
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methods
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China
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History, 20th Century
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History, 21st Century
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History, Ancient
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Humans
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Medicine in Literature
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Needles
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history
9.Design, synthesis and biological evaluation of novel 3-(2-oxo-2-substituted acetamido)benzamides as PARP-1 inhibitors.
Yu-wen YIN ; Ming JI ; Ran CAO ; Xiao-guang CHEN ; Bai-ling XU
Acta Pharmaceutica Sinica 2015;50(6):738-745
Poly(ADP-ribose)polymerase-1 (PARP-1) plays a significant role in the DNA repair process by catalyzing the transfer of ADP-ribose from NAD+ to its receptors. It is a promising anticancer drug target and many PARP-1 inhibitors have been developed and used in the clinical trial. In this work, a series of 3-(2-oxo-2-substituted acetamido)benzamides have been synthesized and their inhibitory activities against PARP-1 were evaluated. Of all the tested compounds, six compounds displayed inhibitory activities with IC50 values ranging from 0.23 to 5.78 µmol.L-1 . The binding pose of compound 5a was predicted using molecular docking to facilitate further structural modification.
Antineoplastic Agents
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Benzamides
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chemistry
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DNA Repair
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Drug Design
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Humans
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Molecular Docking Simulation
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Poly(ADP-ribose) Polymerase Inhibitors
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chemical synthesis
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chemistry
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Poly(ADP-ribose) Polymerases
10.Tomographic characteristics of optic nerve head on Heidelberg retina tomograph Ⅲ in healthy Chinese subjects
Bin, LIU ; Ming-guang, HE ; Sheng-song, HUANG ; Qiu-xia, YIN ; Xiao-hu, DING
Chinese Journal of Experimental Ophthalmology 2013;(7):664-667
Background Normal adult optic disc rim width follows inferior ≥ superior ≥ nasal ≥ temporal (ISNT) rule.Analysis of the optic disc structural parameters with Heidelberg retina tomograph (HRT) can understand whether ISNT principle is suitable to other optic disc structure parameters.Objective This study was to investigate the characteristics of optic nerve head structure parameters in normal Chinese adults.Methods The parents of twins who participated Guangzhou Twin Eye Study were enrolled in Zhongshan Ophthalmic Center from 2006 June to 2011 August.All subjects received the routine eye examinations,including visual acuity,slit lamp microscope,direct ophthalmoscope examination,auto-refraction examination and HRT Ⅲ examination.All data from the right eyes were collected and analyzed.HRT values from different quadrants of optical nerve head were compared with one-way analysis of variance,and the multiple comparison between quadrants was carried out by Bonferroni test.The differences of optical nerve head parameters in different gender were analyzed using independent sample t test and Bland-Altman test.Results In this study,1672 eyes of 1672 subjects were included,with the 759 male and 913 female persons and average age of (41.8±5.3)years.No significant differences were seen in the disc area (DA)between the superior and inferior,as well as the nasal and temporal quadrants among the subjects (P>0.05).In addition,there were not significantly different in the rim area (RA) between the superior and nasal disc as well as the rim volume (RV) among the inferior,superior and nasal disc (P>O.05).However,significant differences were found in the cup area (CA),cup/disk area ratio (C/DAR),cup volume (CV),mean cupdepth (MCD),maximum cup depth (MxCD),height variation contour (HVC),cup shape measure (CSM),mean retinal nerve fiber layer thickness (mRNFLT) and retinal nerve fiber layer cross section area (RNFLcsa) among the different quadrants (P<0.001).The local differences from only DA and RA complied with an ordination of the ISNT rule.The values of DA,CA,C/DAR,CV,MCD,MxCD from male individuals were higher,but those of the RV,HVC,mRNFLT RNFLcsa were lower in comparison with female individuals.Nevertheless,all the differences were < 0.1 with a maximal mean difference in DA and CA (both 0.07 mm2).Conclusions The optical nerve head configurations measured by HRT have different distributing characteristics in four quadrants in normal adults.Most parameters show the higher values in the inferior and superior than those in nasal and temporal of disc,but DA and RA meet ISNT rule.The differences of most parameters between male and female subjects can be ignored.