2.Effect of nonylphenol on expression of steroidogenic factor-1 of Sertoli cells of rats cultivated in vitro.
Li-zhuo WANG ; Qi-yuan FAN ; Tai-yi JIN
Chinese Journal of Industrial Hygiene and Occupational Diseases 2009;27(10):632-634
Animals
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Cells, Cultured
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Male
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Phenols
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toxicity
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RNA, Messenger
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genetics
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Rats
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Rats, Sprague-Dawley
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Sertoli Cells
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drug effects
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metabolism
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Steroidogenic Factor 1
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genetics
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metabolism
3.A study about prevalence rate and risk factors of preoperative deep venous thrombosis of osteoporotic hip fracture in senile patients
Xiang XIAO ; Kaiqiang FENG ; Yu YUAN ; Jin HUANG ; Yi WANG
Chinese Journal of Orthopaedics 2015;35(11):1084-1090
Objective To census the preoperative prevalence rate of deep venous thrombosis (DVT) and to evaluate the risk factors of DVT in senile osteoporotic hip fractured patients.Methods The object of study were patients aged 60 and above, and osteoporotic hip fracture by low energy injury in 2013.Based on medical records, all the patients with osteoporotic hip fracture were evaluated the signs and symptoms of DVT in 24 h, D-dimer test and underwent Doppler ultrasound screening of bilateral venous system in lower extremity after admission, and all the patients received preoperative prophylactic anticoagulation.Patients with popliteal and proximal level thrombus or floating thrombus underwent inferior vena cava (IVC) filter insertion.Outcome measures: age, gender, fracture type, D-dimer value in 24 h preoperatively, occurrence time of DVT and region, grade of preoperative American Society of Anesthesiologists, preoperative medical diseases.Results 702 of 946 hip fracture inpatients were comprised in this retrospective study.All were not founded any symptom or signs of DVT.All patients were took preoperative Doppler ultrasound screening and the results as follows: 36 of 302 patients (11.9%) with femoral neck fracture were proved preoperative thrombosis(13 male, 23 female), the average age was 72.7 year-old(range from 62-90 year-old), on the same side as the fractured hip in 31 patients, bilateral thrombosis in 5 patients.74 of 400 patients (18.5%) with intertrochanteric fracture were proved preoperative thrombosis(38 male, 36 female), the average age was 76 year-old (range from 60-95 year-old), on the same side as the fractured hip in 68 patients, bilateral thrombosis in 6 patients.The most prevalence rate of DVT were in the first day after osteoporotic hip fracture, 15 patients (41.7%) with femoral neck fracture and 38 patients (51.40%) with intertrochanteric fracture.There were more proximal level and multiple level involment thrombosis over 5 days after injury.The most thrombosis were proven at calf and popliteal vein.Conclusion The prophylaxis of DVT should be started even in the emergency department in senile patient with osteoporotic hip fracture.To avoid the risk factors, early surgery and early postoperative mobilization will be effective.
4.Determination of Ornidazole Gel by First Order Derivative Spectrophotometry
Hong LU ; Yan PENG ; Yi LIN ; Yuan JIN
China Pharmacy 2001;0(10):-
OBJECTIVE:To establish a method for determining the content of Ornidazole gel by first-order derivative spectrophotometry.METHODS:The first-order derivative spectrophotometry was used to determine the content of Ornidazole gel at a wavelength of 259nm and 299nm.RESULTS:The linear range of Ornidazole was 4.01~44.1?g?mL-1.The average recovery was 101.6%,with RSD of 1.3%.CONCLUSIONS:This method can meet the requirements for quality control of Ornidazole gel both in terms of precision and accuracy.
5.EFFECT OF PU-ERH TEA ON LIPOGENESIS AND EXPRESSION OF RELATIVE GENES IN OBESE RAT FED WITH HIGH FAT DIET
Huabing YUAN ; Jie ZHONG ; Juan YI ; Yan ZHAO ; Jin CAO
Acta Nutrimenta Sinica 1956;0(02):-
Objective To examine the effect of Pu-Erh tea extract(PTE) on genes expression of lipogenesis in white adipose tissue of rats fed high fat diet.Method Thirty male SD rats were randomly divided into three groups(n=10):the control group(basal diet);the high fat group(high fat diet);the PTE group(high fat diet + Pu-Erh tea extract).Body weight and adipose tissue were measured.Expression of genes regulating lipid metabolism was assessed in adipose tissue.Results PTE supplementation prevented diet-induced increases in body weight and adipose tissue.Diacylglycerol acyltransferase-1(DGAT1),stearoyl-CoA desalurase-1(SCD1) and sterol regulatory element binding protein-1c(SREBP-1c) mRNA levels were markedly decreased in adipose tissue of rats fed PTE.Conclusion This study shows for the first time that Pu-Erh tea extract prevents diet-induced obesity,and this effect is partly mediated via a direct influence on adipose tissue.
6.Synergetic effect of flue gases and arsenic on DNA injury in lymphocytes.
Yi WANG ; Chun-wei LU ; Lu WANG ; Ya-ping JIN ; Yuan-yuan XU ; Gui-fan SUN
Chinese Journal of Industrial Hygiene and Occupational Diseases 2006;24(3):175-177
Animals
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Arsenic
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toxicity
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Comet Assay
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DNA Damage
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drug effects
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Lymphocytes
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drug effects
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metabolism
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Male
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Malondialdehyde
;
metabolism
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Rats
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Rats, Wistar
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Tobacco Smoke Pollution
;
adverse effects
7.Rapid PCR authentication Lonicera japanica.
Chao JIANG ; Jing-Yi HOU ; Lu-Qi HUANG ; Yuan YUAN ; Min CHEN ; Yan JIN
China Journal of Chinese Materia Medica 2014;39(19):3668-3672
To simply and rapid authenticate Lonicera japanica. Rapid allele-specific PCR primer was designed base on trnL-trnF 625 G/T Single nucleotide polymorphism and the PCR reaction systems including annealing temperature was optimized; optimized results were performed to authenticate L. japanica and its 9 adulterants. When 100 x SYBR Green I was added in the PCR product of 87 degrees C initial denatured 1 min; 87 degrees C denatured 5 s, 68 degrees C annealing 5 s, 30 cycle; L. japanica visualize strong green fluorescence under 365 nm UV lamp whereas adulterants without. The results indicate rapid allele-specific PCR could authenticate L. japanica and its adulterants rapidly and simply.
Alleles
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DNA Primers
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genetics
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Drug Contamination
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prevention & control
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Lonicera
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classification
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genetics
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Polymerase Chain Reaction
;
methods
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Quality Control
8.Determination of oleanic acid and paeoniflorin in Paeonia lactiflora by ultrasound-assisted ionic liquid-reversed phase liquid chromatography.
Wei LIU ; Dong-dong LI ; Hong-shuai YANG ; Yuan-yuan CHEN ; Jin-feng WEI ; Wen-yi KANG ; Xiu-chun GUO
China Journal of Chinese Materia Medica 2015;40(3):443-449
Four kinds of ionic liquids [BMIM] Br, [BMIM] BF4, [BMIM] PF6, [HMIM] PF6 were used to analyze the content of oleanic acid and paeoniflorin in Paeonia lactiflora with ultrasonic-assisted extraction coupled with HPLC. The chromatographic column, Purospher star RP-C18 (4.6 mm x 250 mm, 5 μm), was used. Acetonitrile and water (90:10) as mobile phase was used to determine the content of oleanic acid with a gradient elution and flow rate at 1.00 mL · min(-1), detection wavelength at 210 nm, chromatographic column temperature at room temperature. Paeoniflorin content was determined using acetonitrile and water (18:82) as mobile phase with a gradient elution and flow rate at 1.00 mL · min(-1), detection wavelength at 250 nm, the chromatographic column temperature at room temperature. The result show that oleanic acid has the highest extraction yield when the conditions are solid-liquid ratio of 1:80 (g · mL(-1)), and the [BMIM] Br methanol solution concentration of 0.6 mol · L(-1). Under the optimal extraction conditions, the content of oleanic acid from 0.24 to 3.76 μg showed a good linearity (r = 0.9999), the average recovery was 97.20%. Paeoniflorin has the highest extraction yield when the conditions are solid-liquid ratio of 1:130 (g · mL(-1)), and the [C4 MIM] PF6 methanol solution concentration of 0.6 mol · L(-1). Under the optimal extraction conditions, paeoniflorin content from 0.42 to 4.20 μg showed a good lin- earity (r = 1.000), the average recovery was 98.84%. This method is simple and reliable, its repeatability is also very good. It has important significance in the study P. lactiflora of ionic liquid microextraction.
Chromatography, Reverse-Phase
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methods
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Glucosides
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analysis
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Ionic Liquids
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chemistry
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Monoterpenes
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analysis
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Oleanolic Acid
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analysis
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Paeonia
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chemistry
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Ultrasonics
9.Simultaneous determination of alizarin and rubimaillin in Rubia cordifolia by ultrasound-assisted ionic liquid-reversed phase liquid chromatography.
Hong-shuai YANG ; Ju WANG ; Cui GUO ; Wei LIU ; Yuan-yuan CHEN ; Jin-feng WEI ; Wen-yi KANG
China Journal of Chinese Materia Medica 2015;40(13):2617-2623
Four kinds of ionic liquids were adopted to analyze the content of rubimaillin and alizarin in Rubia cordifolia roots with ultrasonic-assisted extraction coupled with HPLC. The chromatographic column, Purospher star RP-C18 (4.6 mm x 250 mm, 5 microm), was used. Methanol and 0.4% acetic acid-water as mobile phase with flow rate at 0.85 mL min(-1), gradient elution, detection wavelength at 250 nm, chromatographic column temperature was controlled at room temperature. The result showed that rubimaillin and alizarin had the highest extraction yield when the [ HMIM] PF6methanol solution concentration of 0.6 mol x L(-1) as extraction solvent and the conditions were solid-liquid ratio of 1:80 (g x mL(-1)). Under the optimal extraction conditions, the content of alizarin from 0.01 to 0.04 microg showed a good linearity (r = 0.9999), the average recovery was 97.12%, the content of rubimaillin from 0.41 to 1.35 microg showed a good linearity (r = 0.9999), the average recovery was 98.10%. This experiment adopted environmentally friendly reagent as extraction solvent, the extraction efficiency was improved, and the environmental pollution caused by organic solvent was avoided, the harm of human body aslo was reduced. This method was simple and reliable, its repeatability was also very good, which had an important significance in the study of traditional Chinese medicine active ingredient extraction methods.
Anthraquinones
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analysis
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Chromatography, Reverse-Phase
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methods
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Ionic Liquids
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chemistry
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Pyrans
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analysis
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Rubia
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chemistry
;
Ultrasonics
10.Relation between acute respiratory infection and enterovirus in children in Beijing area.
Jin FU ; Yi YUAN ; Li-ping SUN ; Xiao-dai CUI
Chinese Journal of Experimental and Clinical Virology 2007;21(4):316-318
OBJECTIVETo probe into the relation between acute respiratory infection and enterovirus (EV), season, age and sex of children in Beijing area.
METHODSNasopharyngeal secretion samples from 402 inpatient children with acute respiratory infection (ARI) were obtained, and EV RNA was detected by reverse transcriptase polymerase chain reaction (RT-PCR). The distribution of month, age and sex among the children positive for EV were analyzed.
RESULTSSeventy of the 402 cases were positive for EV RNA, the positive rate was 17.4 percent. The EV positive rate was 17.7 percent in children with lower respiratory tract infection, and 15.9 percent in children with upper respiratory tract infection. The EV positive rates were 0-36.1 percent in different months, which was the highest in the May (36.1 percent) and lower in December (4.3 percent). The positive rate of EV was 14.8 percent-21.9 percent in different age groups except for children 12 years of age and older, the positive rate was the lowest in the 4-6 years age group, and the highest in the 7 month-1 year age group. The EV infected boys and girls accounted for 16.2 percent and 19.7 percent of total numbers of boys and girls, respectively.
CONCLUSIONThe EV positive rate was higher in children with lower respiratory infection, which suggests that EV may play an important role in ARI of children. The EV positive rate was higher from late spring to autumn. EV infection was common in children under 12 years of age. The rate of EV infection was not significantly different between boys and girls.
Acute Disease ; Adolescent ; Age Distribution ; Child ; Child, Preschool ; Enterovirus ; isolation & purification ; Female ; Humans ; Infant ; Male ; Nasopharynx ; virology ; Respiratory Tract Infections ; etiology ; Reverse Transcriptase Polymerase Chain Reaction ; Seasons