OBJECTIVE:To optimize the extraction technology of astilbin from medicinal herbs in Puling penyankang cap-sules. METHODS:The extraction technology of astilbin from ingredients(Smilacis glabrae rhizoma,chuanxiong rhizoma,Eucom-miae cortex,notoginseng radix et rhizoma,Plantaginis semen)of Puling penyankang capsules was optimized with concentration of ethanol,immersion time and percolation speed as factors,and using the yield of extractum and the extraction amount of astilbin as index. RESULTS:The optimized extraction technology was as follows as 2-fold 70% ethanol,immersed for 24 h,percolated with 70% ethanol with percolation speed of 3 ml/min,10-fold percolate volume was colleted. In verification test,the yield of extractum were 6.79%,6.92% and 6.84%,respectively,with average value of (6.85 ± 0.96)%(n=3);the extraction amounts of astilbin were 39.23,39.67 and 39.69 mg,with average value of (39.53 ± 0.66) mg (n=3). CONCLUSIONS:The optimized extraction technology of astilbin in Puling penyankang capsules is stable and practical.

Objective To detect the effect of E6AP on gastric cancer cell proliferation and migration.Methods The expression of E6AP in different gastric cancer cell lines and normal gastric mucosa epithelial cell lines was detected by Western blotting.Gastric cancer cells BGC-823 stably expressing E6AP short hairpan RNA(shRNA) were obtained by lentiviral vector of E6AP.The effect of E6AP on BGC-823 cell growth and migration was determined by CCK-8 kit, Tran-swell and wound healing assay.Results Gastric cancer cell line BGC-823 in which E6AP was stably knocked down was established.Knockdown of E6AP inhibited the proliferation and migration of BGC-823 cells.Conclusion E6AP plays a key role in gastric cancer proliferation and migration.

OBJECTIVETo evaluate the clinical value of (99m)Tc-Pingyangmycin (PYM) imaging for the diagnosis of primary lung cancer.

METHODSRadionuclide (99m)Tc-Pingyangmycin (PYM) imaging was performed in 56 patients with pulmonary lesions.

RESULTSThe uptake ratio and retention index (RI) were different in malignant and benign lesions. With the delayed ratio regarded as the threshold for lung cancer, the overall accuracy, sensitivity and specificity of (99m)Tc-PYM in the diagnosis of lung cancer were 82.1%, 82.7% and 80%, respectively. If RI was regarded as the threshold, the overall accuracy, sensitivity and specificity were 94.6%, 93% and 100%, respectively. There was no significant difference among different histological types of the lung carcinoma.

CONCLUSION(99m)Tc-PYM, as a good imaging agent, is useful in differentiating malignant lung lesions from benign ones.

Adult ; Bleomycin ; analogs & derivatives ; chemistry ; Female ; Humans ; Lung Neoplasms ; diagnosis ; diagnostic imaging ; Male ; Middle Aged ; Technetium ; Tomography, Emission-Computed, Single-Photon

Objective The aim of present study was to detect methylation rate of CpG unit of brain derived neurotrophic factor (BDNF) promoter and to study the epigenetic mechanism of autism spectrum disorders (ASD).Methods Total of 12 ASD patients and 12 healthy controls were recruited.The methylation rate of CpG unit in BDNF promoter Ⅰ and Ⅳ were detected using Sequenom MassArray method.The methylation model,correlationship,evolutionary relationship of CpG units in BDNF promoter Ⅰ and Ⅳ were detected and compared between ASD patients and healthy controls.Results The methylation rate was identified in 17 and 8 CpG units in BDNF promoter][and BDNF promoter Ⅳ.A close correlation distance was detected in BDNF promoter Ⅰ CpG units 4,7,10,35,and BDNF promoter Ⅳ CpG units 11.12,14.BDNF promoter][CpG units 4,7,10,35,and BDNF promoter Ⅳ CpG units 11.12,14 could be clustered.ASD patients had a significant lower methylation rate in BDNF promoter Ⅰ CpG unit 5.6 and Ⅳ CpG units 3 and 15 compare with healthy controls (P＜0.05).Conclusions The DNA methylation rate in BDNF pronoter Ⅰ CpG unit 5.6 and Ⅳ CpG units 3 and 15 may be used as potential biomarkers of ASD.

Objective:To improve recognition of the clinical phenotype and genotype of achondroplasia(ACH).Methods:The clinical data and genetic test results of 2 children with ACH were analyzed retrospectively, and the related literature was reviewed.Results:Case 1 was a 1-year-old girl whose mother was short in stature.She was admitted to the hospital due to knee reflexes of both lower limbs for more than 9 months.Physical examination showed that her head circumference was 45 cm and she had short stature, short limbs, low muscle tension of both lower limbs, the developmental quotient was 65 scores.Bilateral ilium and hip joint lesions by X-ray were considered as ACH.According to the submitted gene results, FGFR3 gene c. 1138G >A (p.Gly380Arg) of the girl showed the heterozygous variation, and that gene of her mother showed the heterozygous variation.Case 2 was a 10-month-old girl, who was admitted to the hospital due to limb weakness for over 5 months.Physical examination showed head circumference of 46 cm, short stature, short limbs, reduced muscle tension of limbs, grade 4 muscle strength of limbs, and the developmental quotient was 41 scores.X-ray showed that both lower limbs were in accordance with ACH.The gene results suggested the heterozygous variation of FGFR3 gene c. 1138G >A (p.Gly380Arg) in the girl(a novel mutation), and a wild-type gene in her parents. Conclusions:The clinical features of achondroplasia are diverse.The bone changes and nerve development also need to be recognized and discriminated.