1.Preparation and Quality Control of Fumeisong Cream
China Pharmacy 2001;0(07):-
OBJECTIVE: To prepare fumeisong cream and establish its quality control method. METHODS: Ingredients including carbamide, triamcinolone acetonide acetate, camphor, and laurocapram were mixed in an oil-in-water matrix for preparation of fumeisong cream. HPLC was adopted to determine the content of triamcinolone acetonide in the cream. RESULTS: The prepared cream was white in color, with test items all in line with specifications stipulated in 2005 version of China Pharmacopoeia. The linearity concentration range of triamcinolone acetonide was 2.06~20.6 ?g?mL-1(r=0.999 6) and the average recovery rate was 99.6% (RSD=1.0%,n=9). CONCLUSION: The cream is simple and feasible in preparation techniques, and its quality is stable and controllable.
2.Effect of letrozole on EM rat models and influence on the reproductive system
Shufang SONG ; Jinghui SONG ; Linyan ZHANG
Journal of Chinese Physician 2010;12(10):1309-1312
Objection To study the effect of letrozole on EM rat models and influence on the reproductive system. Methods Surgically transplanted autologous uterine tissues to ectopic site beside the uterines in rats were used as animal models to study endometriosis. 20 EM model rats were random divided into letrozole-treated group and saline solution-treated control group. The change of ectopic lesion volume in each group was compared before and after treatment. Apoptotic cells were assessed by the terminal deoxynucleotidyl transferase-mediated deoxy-UTP nick-end labeling (TUNEL) assay, and the uterian horn and ovary were weighted and observed by optical microscopy to study the change of morphology. Results The volumes of the endometriotic tissues of letrozole group reduced more than that in control group[ ( 28. 75 ± 2.28 )mm3 vs ( 108.39 ±9. 98)mm3, P <0.01 ]. The apoptotic rate in letrozole group [ (5.52 ±2. 81 )% ]was higher than control group[ (2.11 ± 1.70)%, P <0. 01 ]. The ovarian weights in letrozole-treated group increased significantly[ (25.25 ± 9. 89) mg/100g vs ( 13. 10 ± 2. 70 ) mg/100g, P < 0. 01 ], arid the ovaries showed polycyst. The uterian weights in letrozole-treated group[ (41.46 ± 15.81 ) mg/100g vs (94. 81 ±18.00) mg/100g, P <0. 05 ] significantly decreased, and the endometriums presented atrophy. Conclusion Letrozole treated EM by means of increasing the apoptosis of the ectopic tissues. Letrozole would give ovarian over stimulating and the uterian weighting decreased as well as endometriums atrophy.
3.Investigation on the distribution of weak D and Del phenotype in unrelated blood donors with negative Rh(D)
Song ZHANG ; Li CHANG ; Renhao SONG
The Journal of Practical Medicine 2014;(24):4028-4030
Objective To investigate the distribution of weak D and Del phenotype in unrelated blood donors with negative Rh (D). Methods Four hundred and nineRhD (-) unrelated donors were screened by the saline agglutination method. Type weak D was detected by the indirect antiglobulin test, and type Del was detected by absorb radiation method. Results In 409 RhD (-) samples, 27 cases (6.61%) of type weak D were checked out, and 61 cases (14.91%) were type Del and 321 cases (78.48%) were corroborate for RhD (-), In the confirmed RhD (-) blood donors, phenotype ccee was most (49.14%), followed by Ccee (23.47%), People with phenotype ccEe accounted for 4.16%in type weak D, followed by Ccee (1.71%). Ccee accounted for 10.02%in type Del, and Ccee accounted for 1.71%. Conclusion RhD (-) donors screened by regular testing should adopt a more sensitive test for verifing type weak D or Del. In order to ensure the security of blood transfusion, people with type weak D and Del should be regarded as RhD positive blood donors, and the RhD negative people deemed to be recipients.
4.Laparoscopic splenectomy for traumatic spleen rupture
Yun ZHANG ; Jianning SONG ; Linxue SONG
Chinese Journal of Minimally Invasive Surgery 2005;0(11):-
Objective To explore the feasibility of laparoscopic splenectomy (LS) in the management of ruptured spleen. Methods Laparoscopic splenectomy was performed in 8 cases of ruptured spleen in this hospital from August 2004 to May 2005. Results Laparoscopic splenectomy was accomplished successfully in 7 cases and a conversion to hand-assisted laparoscopic splenectomy (HALS) was needed in 1 case. The operation time was 150~200 min (mean, 180 min). The intraoperative blood loss was 600~5 500 ml (mean, 2 200 ml). There were 5 cases of type Ⅱ rupture and 3 cases of type Ⅲ rupture. The postoperative recovery was uneventful and no complications were encountered. Conclusions[WTBZ] Laparoscopic splenectomy is a safe and feasible option for the management of ruptured spleen.
5.The quality standard study of Huangqi-Changyu'an capsule Yutian Hospital of TCM of Hebei Province, Tangshan 064100, China
International Journal of Traditional Chinese Medicine 2015;(11):1015-1018
Objective To establish the quality standard of Huangqi-Changyu'an capsule. Method Thin layer chromatography was used to identify psoralen, evodia mtaecarpa, and nutmeg in Huangqi-changyu'an capsule. HPLC was used to determine the content of psoralen. A Hypeisil BDS C18 column(200 mm×4.6 mm,5 μm) was used with mobile phase consisted of acetonitrile-water (30:70) at the rate of 1 ml/min. The detection wavelength was set at 245nm with the column at room temperature. Results The liner range of psoralen was 3.572~53.58 μg/ml (r=0.999 9) with average recoveries of 99.04%, and the RSD was 0.8%. The liner range of isopsoralen was 3.796~56.94 μg/ml (r=0.999 9) with average recoveries of 99.20%, and the RSD was 0.6%. Conclusion This method is sentivive, accurate and rapid for the quality control of Huangqi-Changyu'an capsule.
6.Progress of targeted therapy in diffuse large B-cell lymphoma: reports in the 55th ASH annual meeting
Journal of Leukemia & Lymphoma 2014;23(1):9-11
With the further study on heterogeneity and molecular mechanism of diffuse large B-cell lymphoma (DLBCL),many novel targeted drugs have been developed,which also showed clinical benefit in early-stage studies.Therapeutic targets for DLBCL mainly include the surface antigens of B lymphocyte,B cell receptor signaling and the cellular microenvironment.Several new clinical trials about targeted therapy for DLBCL had been reported in the 55th ASH annual meeting,and the results were encouraging.The advances in this field will be summarized in this paper based on the new reports in the 55th ASH annual meeting.
7.Protective effects of oxytocin on maternal aggression in stress model rats
Chinese Journal of Behavioral Medicine and Brain Science 2015;24(10):888-891
Objective To explore the effect of the different doses of oxytocin(OXT) on stress model aggressive behaviour in Wistar rats.Methods According to random number table,40 pregnant rats were divided into experimental stress groups (A, B, C) and control group(D) with 10 samples in each group.Before forced swimming test, rats in experimental groups (A, B, C)were given OXT via intraperitoneal injection with 0.3 mg/kg, 1.0 mg/kg,2.0 mg/kg;rats in group D were given equal volume of normal saline in the same way.At the 3rd day all rats were tested with maternal aggression,including mothers' following indices as total aggression times,biting times,pinning times,attack latency and duration of attack.Elevated plus maze (EPM) test was applied to analyze the behavioral changes.Results In terms of the duration of attack and attack latency,the indexes of group A and group D were significantly different from relevant data ((147.60±23.92) s and(79.70±9.88) s, P<0.05), while other indexes had no difference(P>0.05).The duration of attack and attack latency had a significant difference ((3.10±0.87) times, (13.60±5.14)times, (91.30±9.74)s and(167.20±30.02) s, P<0.01) between group B and group D except total aggression times(P>0.05).Group C and group D in given indexes had significant differences showing (6.40± 1.34) times, (15.10±4.35) times, (23.70±3.46) times, (49.80± 5.53) s and (215.60± 39.55) s (P<0.01).Group A and group B in given indexes had significant differences (P< 0.05);and group B and group C had a significant difference (P<0.01)except pinning times(P>0.05).In EPM ,the open arm entry ratio and the open arm time ratio of both group A and group D were significantly different from respective percentage (0.47±0.13) and (0.13±0.05) (P<0.01).The significant difference was found in group B and group D(P<0.01);group A and group B had a statistical difference(P<0.05);there was no difference in both groups in open arm time ratio(P>0.05).Conclusion Oxytocin potentially mediates maternal aggression by attenuating stress, and improves the intimate bonding between mother and pups,which means dose dependency of OXT in this process.
8.Progress of chimeric antigen receptor T cells in the treatment of hematologic malignancies:reports from the 57th American Society of Hematology annual meeting
Journal of Leukemia & Lymphoma 2016;25(2):65-68
Chimeric antigen receptor T cells (CAR-T), one of the most promising cancer immunotherapy, has attracted much attention in the 57th American Society of Hematology (ASH) annual meeting. CAR-T therapy has obtained significant effect on leukemia and lymphoma and the latest research results are also inspiring in the 57th ASH annual meeting. It is an important task that how to combine CAR-T therapy with the traditional methods of treatment and the immune checkpoint blocking antibodies and small-molecule-targeted drugs to achieve the best effect. This paper will review the progress of CAR-T in the treatment of hematologic malignancies.
9.Recent progress in immunomodulatory mechanisms of mesenchymal stem cells in diabetic retinopathy
Chinese Journal of Ocular Fundus Diseases 2016;32(2):221-224
Diabetic retinopathy (DR) is a common cause of blindness,its occurrence and development are the synergic results of multiple factors.Current studies suggest that inflammation and inflammatory factor has an important role in the pathogenesis of DR.The occurrence and development of DR are closely related with interleukins,intercellular adhesion molecules,hasten factors,tumor necrosis factor,C-reactive protein etc.Mesenchymal stem cells (MSCs) are pluripotent cells derived from the mesoderm and have multiple differentiation potentials,and anti-inflammatory and immunosuppressive function.Recent studies shown that MSCs transplantation can protect damaged retina by inflammatory regulation,which become a new research direction for DR treatment.
10.Exercise and adenosine triphosphate-sensitive potassium channel
Chinese Journal of Tissue Engineering Research 2014;(46):7492-7497
BACKGROUND:In the condition of exercise physiology, adenosine triphosphate-sensitive potassium (KATP) channel plays an important role in many aspects, such as regulation of coronary artery tension, exercise-induced myocardial protection effect and delay of skeletal muscle fatigue. OBJECTIVE:To review and investigate the role of KATP in exercise in order to provide theoretical reference for understanding mechanism underlying exercise regulation of body’s metabolism. METHODS: A computer-based online search of PubMed and VIP databases was performed for articles related to molecular structure, biological function and regulatory role of KATP as wel as correlation of KATP with coronary artery, myocardium, skeletal muscle fatigue and exercise ability published from January 1991 to June 2014. The keywords were “KATP channels; adenosine triphosphate; sports; myocardium; ion channels” in English and Chinese, respectively. Finaly, 42 relevant articles were included in result analysis. RESULTS AND CONCLUSION: Coupling with celular energy metabolism and cel membrane excitability, KATP channel is one of the effectors for myocardial protection in response to various physiological and pathological stresses. Prolonged endurance training can increase the expression of skeletal muscle and myocardial KATP, which may be an adaptive performance of the myocardium and skeletal muscle in response to exercise stress. KATP may participate in regulation of coronary blood flow. Myocardial KATP plays an important protective role for aleviating myocardial ischemia-reperfusion injury induced by exercise. When skeletal muscle fatigue occurs, the activation of KATP is helpful to prevent muscle fiber damage and cel death due to excessive consumption of ATP, in favor for the fast recovery from fatigue. The relation between KATP and exercise ability stil needs further research.