1.Research advances in regulation of hypoxia-inducible factor-1 by camptothecin compounds
Journal of International Oncology 2008;35(10):729-731
Hypoxia- inducible factor-1 ( HIF-1) promotes tumor deterioration, invasion and metasta-sis. Treatment targeting the HIF-1 signal pathway is becoming a hot research. In addition to uniquely selective inhibition of topoisomerase Ⅰ(Topo Ⅰ) ,the recent studies show that camptothecin compounds can regulate the activity of HIF-1 through decreasing HIF-1 protein translation and have been classified as a non-selective chemical inhibitor of HIF-1.
2.Antitumor mechanism of FTY720
Journal of International Oncology 2010;37(7):520-523
Sphingosine analogue FTY720 exerts good immune suppressive effect by inducing lymphocytes apoptosis and homing, which can be used for organ transplant rejection as well as anti-autoimmune disease treatment. Recent studies have found that FTY720 plays anti-tumor potential by inducing growth arrest and apoptosis as well as inhibiting tumor metastasis.
3.Clinical Experience of Professor ZHANG Weihua in Diagnosing and Treating Atlanto-axial Joint Subluxation
Journal of Zhejiang Chinese Medical University 2017;41(2):165-167
[Objective] Sorting and summing up Professor ZHANG 's clinical experience in the diagnosis and treatment of atlanto-axial joint subluxation, to develop the thought of clinical diagnosis and treatment of the disease. [Methods]Via studying with professor ZHANG, and collectting some cases,consulting the related literature and data.Finally, discuss and summarize it. [Results] Diagnosis found and appliedFour tenderness(Below the foramen magnum, trapezius muscle and at the junction of the skull,fengchi point,wangu point).Method combined with primary symptom and signs, X-ray. Treatment, application of error correction manipulation, light effect;And with local acupuncture point injection, menstruation invigorates the circulation of reinforcement. [Conclusion] Professor ZHANG's method of diagnosis and treatment of atlanto-axial joint subluxation is unique,clear, simple, has obvious curative effect, worth clinical application and promotion.
4.Determination of notoginsenoside R_1,ginsenoside Rg_1,Rb_1 in Jingkang Capsules by HPLC
Chinese Traditional Patent Medicine 1992;0(02):-
AIM:To establish a method for determining notoginsenoside R_1,ginsenoside Rg_1 and ginsenoside Rb_1 in Jingkang Capsules(Radix Rehmanniae praeparata,Radix Polygoni multiflori,Radix et Rhizoma Notoginseng,etc.). METHODS: A Diamonsil C_(18) column(250 mm?4.6 mm,5 ?m) with acetonitrile-water as the mobile phase was used for gradient elution,the flow rate was 1.0 mL/min and the UV detection wavelength was at 203 mn. RESULTS: There was a good linear relationship at a range of 0.327-2.180 ?g for notoginsenoside R_1(r=(0.999 4))(the average recovery was 98.23% with RSD of 1.53%(n=6)),0.909-6.060 ?g for ginsenoside Rg_1(r=1.0)(the average recovery was 99.04% with RSD of 1.00%(n=6)),0.672-4.480 ?g for ginsenoside Rb_1(r=0.999 8)(the average recovery was 98.17% with RSD of 1.31%(n=6)).CONCLUSION: The method is simple,quick and accurate.It can be used for the quality control of Jingkang Capsules.
5.Anchors and peroneous brevis tendon augmentation and plantaris muscle tendon covering for the reconstruction of achilles tendon rupture caused by corticosteroids injection.
China Journal of Orthopaedics and Traumatology 2014;27(2):123-127
OBJECTIVETo investigate the clinical therapeutic effects of anchors, peroneus brevis tendon augmentation and plantaris muscle tendon covering on the reconstruction of achilles tendon rupture caused by corticosteroids injection.
METHODSFrom March 2005 to April 2010, the clinical data of 10 patients with acute achilles tendon rupture repaired with suture anchors, peroneus brevis tendon augmentation and plantaris muscle tendon covering were retrospectively analyzed. The achilles tendon rupture was caused by corticosteroids injection. There were 8 males and 2 females with a mean age of (46.80 +/- 2.83) years old(ranged from 21 to 68 years). Postoperative complications, the range of movement of affected foot, number of consecutive heel raises and single leg jumpings were recorded. Functional recovery of achilles tendon were assessed according to ankle and hindfoot scores of the American Orthopedic Foot Ankle Society (AOFAS).
RESULTSAll patients were followed up for 12 to 18 months with an average of 13.5 months. No wound infection, re-rupture and rejection reaction were found. At the last follow-up, there was no significant difference in the range of movement between affected foot (54.5 +/- 6.3) degrees and unaffected foot (56.8 +/- 3.8) degrees (t = 0.989, P = 0.336). The affected foot could raise heel and do single-leg hops for 10 times continuosly. There was significant difference in AOFAS between preoperative score (67.3 +/- 7.6) and postoperative score (95.5 +/- 7.6) (t = 8.297, P = 0.000);and there was no significant difference between affected foot scores (95.5 +/- 7.6)and unaffected foot scores (98.5 +/- 6.3) (t = 0.961, P = 0.349). Function recovery of achilles tendon: 9 cases were good, 1 case was fine.
CONCLUSIONAnchors, peroneus brevis tendon augmentation and plantaris muscle tendon covering for the reconstruction of achilles tendon rupture caused by corticosteroids injection is a reliable and effective method, with advantage of simple operation, dependable fixation and less complications.
Achilles Tendon ; injuries ; physiopathology ; surgery ; Adrenal Cortex Hormones ; adverse effects ; Adult ; Aged ; Female ; Humans ; Injections ; Male ; Middle Aged ; Reconstructive Surgical Procedures ; methods ; Recovery of Function ; Rupture ; surgery ; Tendon Injuries ; physiopathology ; surgery
7.Clinical effects of continuous spinal anesthesia with sufentanil for labor analgesia
Chinese Journal of Anesthesiology 2013;(1):65-68
Objective To evaluate the clinical effects of continuous spinal anesthesia (CSA) with sufentanil for labor analgesia when compared with the effects of combined spinal-epidural analgesia (CSEA) and continuous epidural analgesia (CEA).Methods One hundred ASA Ⅰ or Ⅱ nulliparous patients who were at full term and who requested labor epidural analgesia,were randomly divided into 3 groups (n =40 each):continuous spinal analgesia group (group S),combined spinal-epidural analgesia group (group C) and continuous epidural analgesia group (group E).Labor analgesia was performed when the cervical dilation was 2-3 cm.In group S,the spinal catheter was placed at L3,4 interspace,and patient-controlled analgesia (PCA) with sufentanil was performed after a loading dose of sufentarnil 8 μg.PCA solution contained sufentanil 100 μg in 100 ml of normal saline.The PCA pump was set up with a 2 ml bolus dose,a 10 min lockout interval (volume was limited to 14 ml/h) and background infusion at a rate of 2 ml/h.In group C,CSEA was performed at L2,3 interspace,the patients received intrathecal sufentanil 8 μg via a spinal needle,the PCA solution contained 0.1% ropivacaine 200 mg and 0.5 μg/ml sufentanil 100 μg in 200 ml of normal saline.The CSEA pump was set up with a 6 ml bolus dose,a 10 min lockout interval (volume was limited to 40 ml/h) and background infusion at a rate of 6 ml/h.In group E,CEA was performed at L2,3 interspace and the method was the same as in group C.The systolic pressure,diastolic pressure,HR,fetal heart rate (FHR) and intensity of uterine contraction were recorded beforeanalgesia and 5,10,15,30,60 and 120 min after beginning of analgesia,when the cervical dilation was 7-8 cm,and when the uterine cervix dilated absolutely.The side effects were recorded.Bromage scale was assessed at 10 min of analgesia.Apgar scores of the neonates were recorded at 1,5 and 10 min after birth.The analgesic effect was evaluated 24 h after birth.Results In group S,the hemodynamic parameters,FHR and intensity of uterine contraction were within the normal range,the analgesic effect was excellent or good,Bromage scale was 0,two cases had post-dural puncture headache,the incidence of pruritus was 42 % and pruritus was mild,Apgar scores of the neonates were 9.1 ± 0.4,9.6 ± 0.4 and 10 at 1,5 and 10 min after birth,respectively,no cardiovascular events occurred.There was no significant difference in the parameters mentioned above between groups C and S and between groups E and S (P > 0.05).Conclusion CSA with sufentail is effective and suitable for labor analgesia and the efficacy is comparable with that of CSEA and CEA.
8.Amending and evaluation of body dysmorphic disorder questionnaire
Chinese Journal of Behavioral Medicine and Brain Science 2011;20(5):466-467
Objective To evaluate the reliability and validity of body dysmorphic disorder questionnaire (BDDQ) Chinese version. Methods A total of 222 participants from a plastic surgery department were enrolled in the study by systematic sampling. They were measured with BDDQ Chinese version and interviewed with Structured Clinical Interview for DSM-]V-TR-Patients( SCID/P) to evaluate the validity. Fifty participants were assessed again after two weeks to evaluate the test-retest reliability. Results The sensitivity of BDDQ Chinese version was 100% and the specificity was 93%. The correlation coefficient of each item was between 0. 808 and 1.000(P< 0.001). Conclusion BDDQ Chinese version has fairly high reliability and validity. Thus, it can be used as a screening diagnosis tool for BDD.
9.Comparative study on the different molecule weight of poly-L-lactic acid in the biological function of composite materials
Chinese Journal of Tissue Engineering Research 2012;16(21):3847-3850
BACKGROUND: With the development of technology, poly-L-lactic acid/β-tricalcium phosphate composite materials show good characters in the tissue engineering, which can promote osteoblast proliferation, reduce rejection reactions, and improve bone healing in a dose-dependent manner. OBJECTIVE: To test the influence of poly-L-lactic acid with different molecule weights on the structure and function of poly-L-lactic acid/β-tricalcium phosphate composite scaffolds. METHODS: Poly-L-lactic acid with molecule weights of 200 000 and 380 000 were combined with β-tricalcium phosphate to produce composite scaffolds by using freeze-drying method. Porosity and pore size of the samples were measured. The fetal rabbit bone mesenchymal stem cells (BMSCs) were cultured and expanded in vitro. They were harvested and seeded into the prepared poly-L-lactic acid/β-tricalcium phosphate scaffolds. The 3-(4, 5-Dimethylthiazol-2yl)-2, 5 diphenyltetrazolium bromide (MTT) and alkaline phosphatase were examined for comparison between normal cultured BMSCs and those cultured on the different poly-L-lactic acid/β-tricalcium phosphate scaffolds. RESULTS AND CONCLUSION: Images of scanning electron microscope showed that the cells adhered to the scaffolds greatly. The value of MTT and alkaline phosphatase showed no significant difference (P > 0.05). The molecule weight of poly-L-lactic acid has no influence on the biological function of composite materials.
10.Clinical analysis on 130 cases of primary tumor of the duodenum
Chinese Journal of General Surgery 2012;27(9):697-700
ObjectiveTo investigate the clinical features,early diagnosis and therapeutic methods of primary tumor of the duodenum.MethodsThe clinical data of 130 patients of primary tumor of the duodenum who were hospitalized in Peaking University Third Hospital from 1974 to 2010 were summarized.There were 30 cases of benign tumors and 100 cases of malignancy. ResultsMore than 90% of primary tumors of the duodenum were located at the duodenal bulb and descendent part.59% of malignant tumors were located in the area of duodenal papilla. The mean diameter of benign tumors was less than 2 cm compared with more than 3 cm in malignancies. Upper abdominal pain,jaundice,black stool,intestinal obstruction and abdominal mass were among the most common clinical manifestations. Jaudice was most common in papilla tumors,and intestinal obstruction and palpable abdominal mass often indicate advanced stage.Duodenofiberscopy combined with air barium double contrast radiography increase the diagnosis rate.Among the 30 benign cases,11 cases underwent simple tumor resection,14 cases received endoscopic tumor resection and 3 cases underwent pancreaticoduodenectomy.Resection rate and the 5-year survival rate was 100%. Of the 100 malignant cases,56 cases underwent standard pancreaticoduodenectomy,3 cases received pylorus preserving pancreaticoduodenectomy,9 cases underwent simple tumor resection and 12 cases received segmental duodenectomy.Resection rate was 84%.The 5-year survival rate was 46% in 59 cases receiving Whipple's procedure.ConclusionsPrimary tumor of the duodenum lacks specific clinical features. Simple tumor resection and segmental duodenectomy can be done for benign cases, while pancreaticoduodenectomy is the therapy of choice for malignant cases.