OBJECTIVETo investigate molding technology of total alkaloids from Sophora alopecuroides freeze-dried powders and observe its inhibition effects on liver transplantation tumor in mice.

METHODWith color, clarity, water-soluble and formability as indexes, single factor tests were adopted to screen type and amount of filler, the concentration of total alkaloids in drug liquid, pH in order to determine optimum prescription of total alkaloids from S. alopecuroides freeze-dried powders, the lowest melting point was determined and freeze drying curve was drafted. Mice hepatoma H22 ascites tumor strain was sterile inoculated in right axillary subcutaneous of mice, and antitumor effect of total alkaloids from S. alopecuroides freeze-dried powders on liver transplantation tumor H22 in mice.

RESULTWhen selected 80 g x L(-1) as mannitol as filler, the concentration of total alkaloids in drug liquid was 25 g x L(-1) and pH 6.5-7.5, freeze-dried effect was optimum with fast reconstitute speed. Average inhibition rate of the big (120 mg x kg(-1)) and medium (60 mg x kg(-1)) dose group of total alkaloids from S. alopecuroides freeze-dried powders on liver transplantation tumor H22 in mice were 56.08% and 35.49%, respectively.

CONCLUSIONPreparation technology was reasonable, reproducible and stable, total alkaloids from S. alopecuroides freeze-dried powders had significant antitumor effect and showed a dose-effect relationship.

Alkaloids ; chemistry ; pharmacology ; Animals ; Antineoplastic Agents, Phytogenic ; chemistry ; pharmacology ; Cell Line, Tumor ; Color ; Freeze Drying ; Humans ; Liver Neoplasms ; drug therapy ; Mice ; Powders ; chemistry ; Sophora ; chemistry ; Tumor Burden ; drug effects

OBJECTIVETo study therapeutic effects between hook plate fixation and modified Weaver-Dunn surgery for the treatment of acromioclavicular joint dislocation.

METHODSForty patients with fresh acromioclavicular joint dislocations of type III according to Rockwood classification were reviewed. All the patients were divided into two groups: hook plate fixation group and modified surgery group. There were 20 patients in hook plate fixation group, including 13 males and 7 females, with an average age of (37.45 +/- 14.29) years old; 12 patients had injuries in the left and 8 patients had injuries in the right; preoperative Constant-Murley score was 40.75 +/- 10.40. And there were 20 patients in modified surgery group,including 11 males and 9 females, with an average age of (41.65 +/- 14.83) years old; 11 patients had injuries in the left and 9 patients had injuries in the right; preoperative Constant-Murley score was 42.75 +/- 8.18. The Lazzcano standard, Constant-Murley score and imaging changes were used to evaluate shoulder joint function before and after surgery.

RESULTSAll the patients were followed up,and the duration ranged from 7 to 32 months,with an average of 24 months. According to Lazzcano evaluation, 16 patients got an excellent result,3 good and 1 poor in modified surgery group with no re-dislocation, and 1 patient had pain more than middle degree; while in hook plate fixation group, 9 patients got an excellent result, 7 good and 4 poor, 1 patient had re-dislocation, and 3 patients got pain more than middle degree. The therapeutic effects of modified surgery group were better than those of hook plate fixation group. Constant-Murley scores:preoperative 42.75 +/- 8.18 vs 93.40 +/- 4.04 at the latest follow-up in modified surgery group; preoperative 40.75 +/- 10.40 vs postoperative 88.40 +/- 4.81 and 92.05 +/- 4.49 at the latest follow-up in hook plate fixation group. The postoperative scores all improved compared to preoperative scores in two groups. And there was no statistical difference of scores at the latest follow-up between two groups.

CONCLUSIONThe surgery of allograft tendon transplantation combined with anchor fixation to strengthen coracoclavicular ligament, as well as part transposition of acromiocoracoid ligament and resection at the distal part of clavicle may got safety fixation and less postoperative complications compared with hook plate internal fixation.

Acromioclavicular Joint ; injuries ; Adolescent ; Adult ; Bone Plates ; Case-Control Studies ; Clavicle ; surgery ; Female ; Follow-Up Studies ; Humans ; Joint Dislocations ; surgery ; Male ; Middle Aged ; Orthopedic Procedures ; instrumentation ; Treatment Outcome ; Young Adult

Objective:This study aimed to observe the synergistic effect of a new tumor vaccine combined with metronomic che-motherapy in vivo on breast cancer. This study was also conducted to investigate the mechanism of this combination. Methods:Balb/c mice inoculated with 4T1 mouse breast cancer cell were used as tumor models. High-mobility group nucleosome-binding protein 1 (HMGN1) gene was used to transfect 4T1 cell lines as cancer vaccines. After 4T1 cell was inoculated, the mice were randomized into four groups:normal saline (NS);metronomic gemcitabine (GEM) alone;cancer vaccine alone;and combination therapy group. Tumor growth and potential toxicities of these regimens were observed. The Foxp3 expression of regulatory T cells (Tregs) was detected by western blot and immunohistochemical staining. The microvessel density (MVD) of the tumor was also detected by immunohistochemi-cal staining. Results:The tumor volume of the mice was significantly lower in the combination group than in the MET group or cancer vaccine group (P<0.05). This result exhibited a higher significant difference than the tumor volume of the mice in the NS group (P<0.01). Foxp3 expression was significantly lower in the mice treated with GEM (combination or MET group). MVD was significantly lower in these two groups than in the cancer vaccine group or NS group (P<0.05). Furthermore, adverse reactions slightly occurred in each group. Conclusion: The combination of cancer vaccines and metronomic GEM is a very active and well-tolerated regimen for breast cancer in mice.

OBJECTIVETo study the effect of Wenmaitong (WMT) and its disassembled formulas on the adhesion of monocytes to endothelial cells induced by hyperlipidemic serum to explore the mechanism of WMT on early arteriosclerosis obliterans (ASO).

METHODSSerums containing whole WMT and its disassembled formulas, including the formula consisted of warming Jing and boosting qi part (Wenjin Yiqi, WY) and that of promoting blood circulation part (Huoxue Tongmai, HT), as well as the serum contained high concentration of lipids were prepared conventionally, respectively. The adhesion of monocytes cell strain THP-1 to human umbilical vascular endothelial cells (HUVEC) was determined by rose bengal stain method, and ELISA was used to detect expressions of intercellular adhesion molecule (ICAM-1), vascular cellular adhesion molecule (VCAM-1) and P-selectin on HUVEC surface.

RESULTSWMT could inhibit THP-1 to HUVEC adhesion induced by hyperlipidemic serum, and down-regulate the expression of ICAM-1, VCAM-1, P-selectin on HUVEC surface, the two disassembled formulas could down-regulate different adhesion molecules.

CONCLUSIONOne mechanism of WMT on ASO may be its inhibition on arteriosclerosis by way of down-regulating the expression of vascular endothelial cells adhesion molecules to decrease the adhesion of monocyte to VEC, therefore to inhibit the monocytes migrating into vascular intima to develop foam cells.

Animals ; Cell Adhesion ; drug effects ; Cell Line ; Down-Regulation ; drug effects ; Drugs, Chinese Herbal ; pharmacology ; Endothelial Cells ; cytology ; drug effects ; metabolism ; Enzyme-Linked Immunosorbent Assay ; Humans ; Hyperlipidemias ; blood ; Intercellular Adhesion Molecule-1 ; biosynthesis ; Male ; Monocytes ; cytology ; drug effects ; metabolism ; Rabbits ; Serum ; Vascular Cell Adhesion Molecule-1 ; biosynthesis

Based on introducing knowledge graph, the paper discusses how to construct Traditional Chinese Medicine ( TCM ) knowledge graph from the aspects of data sources, research contents and visualized display, so as to integrate TCM knowledge resources. It also puts forward the application prospect.

Modified electroconvulsive therapy (MECT) is a fast and effective physical therapy method currently widely used in psychiatry. The anesthesia target of this treatment is to calm the patients, relax the muscles and maintain stability in histodynamics during treatment, meanwhile avoiding affecting efficacy, because too deep anesthesia can inhibit discharge of the cerebral cortex. However, current anesthetic drugs in MECT, including muscle relaxants, intravenous anaesthetics, inhalation anaesthetics, analgesics, etc., lack the best compatibility of anesthesia induction. This review discusses the application and compatibility of these drugs in MECT in recent years, in order to provide reference for the best anesthesia induction protocol for MECT.

Objective • To observe the effect of protease activated receptor 2 (PAR2) on the colonic motility in diabetic mice and investigate the mechanism. Methods • The mouse model of type 1 diabetes mellitus was established by intraperitoneal injection of streptozotocin. The smooth muscle strips and segments of colons were isolated. The effects of PAR2 agonist on colonic motility were observed by muscle strip tension contraction and colonic migrating motor complex experiments. The effect of small conductance calcium-activated potassium channel (SK3 channel) antagonist on it was also observed. Results • PAR2 agonist inhibited colonic motility and colonic smooth muscle was more sensitive to PAR2 agonist in diabetic mice. PAR2 agonist-induced inhibition was inhibited by SK3 channel antagonist. Conclusion • PAR2 activity in diabetic mice colons is significantly enhanced, which may inhibit colonic motility through SK3 channel.

Objective To explore the effect and safety of transcranial approach for spheno-orhital meningioma. Design Retro- spective case series. Participants Thirty-two patients being operated with transcranial approach. Twenty-four cases were meningothelial meningiomas, 3 cases were fibrous meningiomas, 1 case was psammomatous meningioma, 2 cases were atypital meningiomas, 2 case were malignant meningiomas. Methods All patients underwent frontal-temporal craniotomy, the involved sphenoid wing bone and peri- orbit were removed to prevent recurrence. The superior orbital fissure and optic canal were decompressed, the dural and periorbital de- feet were repaired by autogenous temporal fascia or artificial dura. Main Outcome Measures Preoperative and postoperative exoph- thalmus and eyeball movement, the extent of tumor resection, the ratio of recurrence. Results The extent of tumor resection: 8 cases were Simpson gradeⅡ, 20 cases Simpson gradeⅢ, 4 cases Simpson grade IV. After surgery, proptosis were improved in all patients, ophthalmoplegia was found in 6 eases. There was no operation-related death or other significant complication. Tumor recurred in 6 cas- es. Conclusions Adequate exposure of the tumor and bony decompression of the cranial nerves can result from transcranial approach, all the involved bone should be removed in order to prevent recurrence. This approach is relatively safe and the ptoptosis are improved significantly. Complete surgical resection is difficult because of the involvement of the orbital apex, superior orbital fissure and cav- ernous sinus.

Abstract: Objective　To explore the regional, age and annual characteristics of distribution and variation trend of children and adolescents with poor vision in Hainan Province, and to provide a theoretical basis for the formulation of targeted and effective prevention and treatment strategies. Methods　The eyesight monitoring data of 5 657 231 children and adolescents aged 6 to 19 from 17 cities and counties in Hainan Province from 2013 to 2020 were analyzed. Using the "Standard Logarithmic Vision Chart" (GB11533-2011) that complies with national standards for testing. Results　The rate of poor vision among children and adolescents in Hainan Province increased significantly from 2013 to 2020, and the difference between the years was statistically significant (P<0.001). The total poor vision rate in the left eye increased 10.09% (32.79% to 42.88%), and that of severe poor vision rate increased 6.68%, while that of the right eye increased 9.80% (33.11% to 42.91%) and 6.49%. The poor vision rate was significantly higher in females than in males of same year (P<0.001), but the increase pattern was the same. In 2020, there were significant differences between the same age groups in different cities and counties and between different age groups in the same city and county (P<0.001), and they all tended to increase with age. The result of analyzing the distribution characteristics of the total poor vision rate of different age groups children in the eastern (Qionghai), southern (Sanya), western (Changjiang), northern (Haikou) and central (Dingan) cities showed that the regional rate difference was small at 6-7 years old, and then increased with the increase of age. The poor vision rate of Haikou City ranked the first in all age groups, and reached the highest at 17 years old, with 76.32% and 80.89% of total poor vision rate of left and right eyes respectively. Sanya City ranked second, Qionghai ranked third. The poor vision rate of Changjiang County was lower and the growth rate was slower according to age. Conclusions　From 2013 to 2020, the total and severe poor vision rates in left and right eyes of children aged 6-19 in Hainan Province increased year by year, with the ascension range of female higher than that of male, and right eye higher than that of left eye. In the same year, the poor vision rate increase rapidly with age. It is recommended to further strengthen the daily intervention and management of key populations and special age groups to reduce the rate of low vision in children and adolescents.

Establishment of quality management system (QMS) plays a critical role in the clinical data management (CDM). The objectives of CDM are to ensure the quality and integrity of the trial data. Thus, every stage or element that may impact the quality outcomes of clinical studies should be in the controlled manner, which is referred to the full life cycle of CDM associated with the data collection, handling and statistical analysis of trial data. Based on the QMS, this paper provides consensus on how to develop a compliant clinical data management plan (CDMP). According to the essential requirements of the CDM, the CDMP should encompass each process of data collection, data capture and cleaning, medical coding, data verification and reconciliation, database monitoring and management, external data transmission and integration, data documentation and data quality assurance and so on. Creating and following up data management plan in each designed data management steps, dynamically record systems used, actions taken, parties involved will build and confirm regulated data management processes, standard operational procedures and effective quality metrics in all data management activities. CDMP is one of most important data management documents that is the solid foundation for clinical data quality.
Clinical Trials as Topic ; Data Collection ; standards ; Database Management Systems ; standards ; Information Storage and Retrieval ; standards