1.Effect of small direct-current electrical stimulation on migration and invasion related MMPs/TIMPs expression of trophoblast cells
Juan ZHANG ; Mingyong LI ; Yuan HE ; Huai BAI ; Ping FAN
Chongqing Medicine 2016;45(7):869-872
Objective To investigate the effect of small direct‐current electrical stimulation on migration and invasion related MMPs/TIMPs expression of trophoblast cells .Methods The trophoblast cells were exposed to the direct current electrical field at 150 mV/mm for 5 and 10 hours .Cell images were recorded with continuous photographing and analyzed by image analyzer .The ex‐pression levels of MMP2 ,MMP9 ,TIMP1 and TIMP2 were measured using quantitative RT‐PCR and Western blot .Results In non‐electrical field culture trophoblast cells migrated slowly with random directions .Trophoblast cells cultured in media containing 10% calf serum with the application of 150 mV/mm direct current electrical stimulation ,showed marked cathodal migration (P<0 .01) ,the cell body stretched ,perpendicular to the direction of the electric field .Compared with the non‐electrical field stimulation controls ,trophoblasts under the electrical field stimulation had the increased MMP2 mRNA and protein expression (P< 0 .05) , while MMP9 ,TIMP1 and TIMP2 had no obvious changes of mRNA or protein expressions .Conclusion Physiological direct‐cur‐rent electrical fields might induce directed migration and perpendicular orientation of trophoblast cells .The enhanced MMP2 expres‐sion may play an important role in the migration and invasive activity of trophoblast cells in small electrical field .
2.Participation of Clinical Pharmacists in the Treatment of One Case of Renal Abscess with Iron Deficiency Anemia
Jie TAN ; Gen LI ; Dan ZHANG ; Mingyong YUAN
China Pharmacist 2017;20(7):1257-1259
Objective: To make out the optimal drug treatment regimen through the participation of clinical pharmacists in the treatment of one case of child with renal abscess complicated with iron deficiency anemia.Methods: Clinical pharmacists participated in the design of treatment program for the child, including the choices of drugs, dosage and route, and the treatment of adverse reactions, in order to make out the individualized medication.Results: By selecting the sensitive antibiotics, the renal abscess caused by Escherichia coli was cured successfully.Conclusion: Clinical pharmacists participating in clinical consultation can further optimize the treatment plan, and play an active role in the treatment of infected patients.
3.Effects of Yupingfeng Powder on Immune Function of Rats with Lung-qi Deficiency Syndrome
Sheng YANG ; Zhonglin ZHANG ; Mingyong YUAN ; Lingli ZHENG ; Yan LI ; Changjun LIAO
China Pharmacy 2016;27(22):3041-3043,3044
OBJECTIVE:To study the effects of Yupingfeng powder on immune function of rats with lung-qi deficiency syn-drome. METHODS:60 SD rats were randomly divided into normal group,model group,positive group [Renshen beiqi tablet 0.6 g (crude drug)/kg] and Yupingfeng powder high-dose,medium-dose and low-dose groups [24,12,6 g (crude drug)/kg],with 10 rats in each group. Except for normal group,those groups were given SO2+comprehensive cold stimulation to induce lung-qi defi-ciency syndrome model. After modeling,treatment groups were given relevant drug solutions intragastrically,and normal group and model group were given constant volume of normal saline intragastrically,once a day,for consecutive 13 d. After administra-tion,serum levels of IL-3 and IL-6,the proportion of CD3+,CD4+,CD8+in T lymphocyte were determined,and pathological chang-es of lung and bronchus were observed. RESULTS:Compared with normal group,serum levels of IL-3 and IL-6 and the propor-tion of CD8+ in T lymphocyte increased significantly in model group,while the proportions of CD3+ and CD4+ in T lymphocyte and the ratio of CD4+/CD8+ decreased(P<0.01);obvious lung and bronchus injury and inflammatory reaction were observed. Compared with model group,serum level of IL-3 decreased significantly in positive group and Yupingfeng powder high-dose group;serum level of IL-6 and the proportion of CD8 + in T lymphocyte decreased significantly in positive group and Yupingfeng powder high-dose and medium-dose groups,while the proportion of CD3+ in T lymphocyte increased significantly;the proportion of CD4+and the ratio of CD4+/CD8+increased significantly in treatment groups(P<0.05 or P<0.01);lung and bronchial injury,and inflam-mation reaction were relieved. CONCLUSIONS:Yupingfeng powder can enhance immune function of rats with lung-qi deficiency syndrome.
4.Application value of fetal umbilical cord blood hemoglobin analysis in prenatal diagnosis of thalassemia
Tianwen HE ; Yixia WANG ; Hao GUO ; Tenglong YUAN ; Mingyong LUO ; Li DU
International Journal of Laboratory Medicine 2016;(3):297-298
Objective To investigate the application value of fetal umbilical cord blood hemoglobin analysis in the prenatal diag ‐nosis of thalassemia .Methods 113 couples were the carriers of the same gene type of thalassemia ,moreover the females were in the pregnant period of 24 - 30 pregnant weeks and performed the prenatal diagnosis .The fetal umbilical cord blood hemoglobin compo‐nents were analyzed by the full automatic capillary electrophoresis technique ,meanwhile the fetal thalassemia gene was detected .Re‐sults Among 113 fetuses ,the umbilical cord blood HbBart′s level in 11 cases of severe α thalassemia was 85 .0% - 95 .5% ,which in 9 cases of intermediate type α thalassemia was 22 .0% - 39 .5% ;the umbilical cord blood HbA level in 6 cases of severe β thalas‐semia was 0% - 0 .4% ,which in 17 cases of light type β thalassemia was 2 .1% - 12 .5% .Conclusion The fetal umbilical cord blood hemoglobin analysis could be used for rapid prenatal diagnosis of severe α ,β and intermediate type α thalassemia ,which can serve as a supplementary method for the prenatal diagnosis of thalassemia .
5.Development of a thalassemia gene diagnosis method for dried blood spots
Mingyong LUO ; Tingting HU ; Jicheng WANG ; Tenglong YUAN ; Yanxia ZHANG ; Yixia WANG ; Li DU ; Juqing LIANG ; Aihua YIN
International Journal of Laboratory Medicine 2015;(19):2784-2786
Objective To devolope a method for extracting DNA from dried blood spots (DBS)and optimizing the operating procedure,which could be applied to clinical gene diagnosis of thalassemia.And the cross contamination of DBS punching and the storage stability of DBS were studied.Methods A total of 1 50 blood specimens were collected,and DBS were prepared.Circles (3 mm in diameter)were punched in the DBS,and eluted with lysis buffer.The eluting method and operating procedure were opti-mized.Genomic DNA extracted from the elution solution by magnetic beads,and were performed thalassemia gene test.Finally jud-ging whether the results of DBS and whole blood were consistent.Two methods of thalassemia gene test were used in DBS and the compatibility of DBS processing method was verified.Judging whether there was cross contamination of DBS punching by the thalassemia gene test results of blank hole which were punched in the blank filter paper between thalassemia positive DBS.The DBS storage stability in thalassemia gene test was verified by detecting the DBS which were dry stored at room temperature for 6 and 9 months.Results 5 circles (3 mm in diameter)DBS were vibrating eluted at 55 ℃ for 1 hour,the DNA concentration extracted from the elution solution was 10-20 ng/μL,which was dissolved in 50 μL solution,and the DNA quality was good.The thalassemia gene test results of DBS and whole blood were the same,and the DBS results of two thalassemia gene test methods were the same too. The cross contamination of DBS punching was not detected in thalassemia gene test.The DBS which were dry stored at room tem-perature for 6 and 9 months could be stably performed thalassemia gene test.Conclusion DBS could be used to perform thalassemia gene test,which is accurate,convenient and stable.It is an ideal way for specimen referral of thalassemia gene test.
6.Determination of Doxofylline Concentration in Human Serum by Online Two-dimensional Column Switching-HPLC
Lingli ZHENG ; Mingyong YUAN ; Ting JIANG ; Feng WANG ; Wei ZHANG ; Jing CHEN
China Pharmacy 2018;29(9):1264-1266
OBJECTIVE:To establish the method for the determination of doxofylline in human serum. METHODS:Online two-dimensional column switching-HPLC was adopted to determine the concentration of doxofylline in human serum. First-dimensional chromatographic column was Waters C18column,and middle column was SC2. First-dimensional and second-dimensional column mobile phrase were methanol-water(70 : 30,V/V). The detection wavelength was 273 nm,and column temperature was 40 ℃. Sample volume was 10 μL. RESULTS:The linear range of doxofylline were 0.5-50.00 μg/mL(r=0.999 9), and the detection limit was 0.01 μg/mL. The quantitative limit was 0.5 μg/mL. RSDs of intra-day and inter-day were 1.51%-1.89%and 1.52%-1.92%(n=5). The accuracy were 97.91%-104.19%(n=5). Extraction recoveries rate were 91.63%-93.44%(RSD<2.00%,n=3). RSD of matrix effect were lower than or equal to 3.01%(n=6),and RSD of stability test was lower than 5.00%(n=6). After 3 patients were given intravenous injection of Doxofylline and glucose injection(0.3 g/d)up to steady state,the serum concentrations of doxofylline were 3.23,3.35,3.68 μg/mL before medication on the next day(RSD=2.28%,2.34%, 2.14%,n=5). CONCLUSIONS:The method is simple,rapid,accurate and suitable for the determination of plasma concentration of doxofylline.
7.Research Progress in Animal Model Replication of Chronic Gastritis
Jing XIN ; Xinming WANG ; Zhonglin ZHANG ; Xu TANG ; Mingyong YUAN
China Pharmacist 2017;20(11):2053-2056
Chronic gastritis (CG) is a common disease of digestive system. It is of the utmost importance to reply the animal mod-el of CG in the researches on pathogenesis,treatment mechanism and drugs development. It's necessary to review the general situation about the replication of CG animal model since there is no spontaneous animal model of CG. The research literatures related to the rep-lication of CG animal model in recent years were reviewed,all kinds of methods on the animal model replication were reorganized sys-temically,and a new classification was established. Furthermore,the model mechanism,precautions and success rate of each classifi-cation method were evaluated concisely,scientifically and objectively in order to exploit the research ideas of researchers and provide reference for further studies.
8.Discussion on evaluation method of anti-infective therapy by clinical pharmacist
Yan LI ; Lingli ZHENG ; Mingyong YUAN ; Ling HUANG ; Ting JIANG
Journal of Pharmaceutical Practice 2017;35(1):70-72
Objective To discuss the evaluation method of anti-infective therapy by clinical pharmacist .Methods Anti-infection therapy for an AECOPD patient in department of respiration in our hospital was analyzed to discuss the evaluation method of anti-infective therapy .Results The patient had indication to use antibacterial ,and combination of Amikacin and Piperacillin-sulbactam were selected as initial empirical treatment for common respiratory G --bacilli including drug resistant of Pseudomonas aeruginosa ,which was rationality .But the whole process of using the initial combination linked to the hospital was unreasonable .Conclusion To evaluate the rationality of anti-infection treatment ,the indication to use antibacterial need to be determined firstly ,and combined with the severity of the patient ,prior treatment ,etiology of the site of infection ,and choice of antibiotics to evaluate the rationality of initial empiric regimen secondly .For etiology positive results ,the efficacy of initial empiric therapy ,interpretation of etiology results and the clinical significance ,guidelines recommend should be com-bined ,following-up selection of drug to evaluate the rationality of follow-up treatment .
9.Research Progress of Folate Metabolic Gene Polymorphism
Jing LI ; Linli ZHENG ; Ting JIANG ; Ying SHAO ; Mingyong YUAN
Herald of Medicine 2019;38(2):230-234
Through summarizing and analyzing a large number of documents and reports of large academic conferences in China, the current situation and the prospect of individualized drug delivery model were analyzed based on folate metabolic gene in pharmaceutical care. Folate metabolic genemethylenetetrahydrofolate reductase (MTHFR) C677T and methionine synthase reductase (MTRR) A66G were related with development of multiple diseases. Its polymorphism guidesindividualized drug administrationto increase the efficacy of drugs or decrease adverse effects.
10.Diagnosis and prenatal diagnosis to a family of hemoglobin variant with α-thalassemia.
Li DU ; Jing WU ; Danqing QIN ; Jicheng WANG ; Mingyong LUO ; Hao GUO ; Tenglong YUAN ; Yanxia ZHANG ; Yixia WANG ; Aihua YIN
Chinese Journal of Medical Genetics 2015;32(2):226-228
OBJECTIVEDiagnosis and prenatal diagnosis to a family of hemoglobin variant with α-thalassemia.
METHODSWhole blood cell analysis, hemoglobin analysis by capillary zone electrophoresis (CZE), Gap-PCR, polymerase chain reaction-reverse dot blot (PCR-RDB) assay and DNA sequencing.
RESULTSHb Zurich Albisrieden with α°-thalassemia lead to severe anemia. The genotype of fetus is also Hb Zurich Albisrieden with α°-thalassemia.
CONCLUSIONAbnormal hemoglobin with α-thalassemia may lead to severe anemia, Prenatal diagnosis of thalassemia has the vital significance for eugenic birth.
Adult ; Base Sequence ; Child, Preschool ; Female ; Fetal Diseases ; blood ; diagnosis ; genetics ; Hemoglobins, Abnormal ; genetics ; metabolism ; Humans ; Male ; Molecular Sequence Data ; Pregnancy ; Prenatal Diagnosis ; Young Adult ; alpha-Thalassemia ; blood ; diagnosis ; embryology ; genetics