Objective:To establish the quality standard for Qiyeling granules. Methods:Astragali Radix and naringin were identi-fied by TLC. The content of astragaloside A was determined by HPLC. Results:The qualitative identification was with high resolution and without interference from the negative substances. The linear range of astragaloside A was 0. 166-1. 104 μg(r=0. 999 1), and the average recovery was 97. 27%(RSD=1. 3%,n=6). Conclusion:The method can be used in the quality control of Qiyeling granules.

Objective To study the clinical and electrophysiological characteristics of peripheral neuropathy in patients with multiple sclerosis(MS).Methods As a total of 84 MS patients,the clinical and electrophysiological data were analyzed in 16 MS patients with the symptoms of peripheral neuropathy(PNMS group)and in 68 MS patients without peripheral neuropathy(NPNMS group).Results The incidence of peripheral neuropathy was 19.0%(16/84)in this group.The clinical symptoms included extremity numbness in 14 cases(87.5%),limb inertia in 12 cases(75.0%),and radicular pain in 4 cases(25.0%).Signs included decrease of tendon reflex in 15 cases(93.7%),periphery sensory disability in 13 cases(81.2%),and myatrophy in 5 cases(31.2%).The mean age in the PNMS group was(44.6?12.5)years vs.(32.2?11.5)years in the NPNMS group.The course of disease was(39.3?18.3)months vs.(31.6?17.2)months in the NPNMS group,there were significant differences in two groups(P

BACKGROUND: Amniotic fluid cells have been widely used in antenatal diagnosis for gene mutation-related diseases. However,there are few reports concerning isolation, culture, surface character identification, differentiation and application perspective of fetal mesenchymal stem cells (MSCs) derived from amniotic fluid.OBJECTIVE: To investigate the differentiation of fetal mesenchymal stem cells (MSCs) derived from second-trimester amniotic fluid into osteoblasts in vitro.DESIGN, TIME AND SETTING: The cytological/n v/tro study was conducted at the Experimental Center of Xinhua Hospital from August 2005 to May 2006.MATERIALS: Ten amniotic fluid samples were obtained from pregnant women (18-22 weeks after conception) or aborted women,The informed consents were obtained from pregnant women.METHODS: Fetal MSCs were separated mechanically from amniocyte culture system and expanded in medium in vitro. At passage 3, fetal MSCs were induced in 100 nmol/L dexamethasone, 10 mmol/L β-glycerophosphoric acid and 50 mg/L vitamin C for 14 days.MAIN OUTCOME MEASURES: Collagen Ⅰ and alkaline phosphatase expression was detected by immunohistochemistry.Collagen Ⅰ protein expression was determined by Western Blot analysis. Calcium tuberoses were measured by Von Kossa staining. The cytoskeletal protein was detected by laser confocal microscopy.RESULTS: The isolated fetal MSCs were uniformly positive for CD44 and HLA-ABC, negative for CD34, CD45 and HLA-DR. After being induced with osteogenic medium for 14 days, 91% cells were positive for alkaline phosphatase, and 87% cells for collagen Ⅰ.Cells expressed collagen Ⅰ protein. Number of calcium tuberoses was increased and became big over time. Cytoplasm microfilament presented green fluorescence and the microfilament surrounding cells formed dense bundle.CONCLUSION: Fetal MSCs derived from amniotic fluid could be induced into osteeblasta and displayed a typical osteoblastic morphology and biological characteristic.

Objective To understand the characteristics of molecular epidemiology of enterovirus 71(EV71) in children with hand, foot and mouth disease (HFMD) in Shanghai area during the first half year of 2009. Methods Seventy-three throat swabs and 38 stool samples were collected from 95 hospitalized children with clinical diagnosis of HFMD in Children's Hospital of Fudan University during April to May 2009. TaqMan real-time reverse transcription-polymerase chain reaction (RT-PCR) and nest RT-PCR were used to detect EV71 VP1, followed by gene sequencing analysis. Results Six of the 73 throat swabs were EV71 positive with the detection rate of 8.2%. In the 38 stool samples, 24 were EV71 positive with the detection rate of 63.2%. Twenty-eight nested RT-PCR positive samples were sequenced and the genetic analysis showed that 27 were C4 subtype,which were absolute dominant strain and the other one was C2 subtype. The isolated strain from a fatal case was C4 subtype and there was no obvious mutation found in VP1 region. Conclusions EV71 is an important pathogen in HFMD children in Shanghai area during April to May 2009. C4 subtype strains are absolutely dominant, and accompanied by epidemic strains of subtype C2.

Objective To evaluate the diagnostic values of diffusion tensor imaging(DTI)in early radiation-induced brain injury of the temporal lobes.Methods Conventional and MR diffusion tensor imaging examinations were performed in 23 patients following radiotherapy for nasopharyngeal carcinoma(NPC)and in 28 age-matched healthy controls.Isotropic apparent diffusion coefficient(ADCiso)and anisotropic index were measured in the white matter on both of the temporal lobes.Results The value of ADCiso,fractional anisotropy(FA),relative anisotropy(RA)and 1 minus volume ratio(1-VR)were(644.08?56.80)?10-6 mm2/s,0.394?0.074,0.344?0.075 and 0.182?0.072 respectively.In comparison with control group,these values were significant decreased(P

Contraindications ; Humans ; Laryngeal Neoplasms ; classification ; pathology ; surgery ; Laryngectomy ; methods ; Neoplasm Staging

Objective To investigate the prevalence and related factors of sexual dysfunction (SD) in patients with Parkinson's disease.Methods A total of 411 patients with Parkinson' disease in Nanjing Brain Hospital were analyzed retrospectively.The ICD-10 diagnostic criteria for SD was used to evaluate SD.The Unified Parkinson's Disease Rating Scale (UPDRS) part Ⅲ, Hoehn and Yahr (H&Y) staging, Non-motor Symptoms Questionnaire (NMS-Quest), Parkinson's Disease Sleep Scale (PDSS), Hamilton Anxiety Rating Scale (HAMA), Hamilton Rating Scale for Depression (HRSD) and Montreal Cognitive Assessment (MoCA) were used to evaluate patients.Results SD was found in 145 (35.3 ％) patients and the prevalence was higher in male than in female.Patients with SD had older age, longer duration, severer motor symptoms, and higher scores of UPDRS-Ⅲ, HAMD, HAMA and NMS-Quest (all P＜0.05).In male patients, SD was positively associated with age, duration of disease, UPDRS-Ⅲ , H-Y stage, HAMD, HAMA and NMS (r=0.127, 0.303, 0.240, 0.236, 0.181, 0.221 and 0.302, all P＜0.05).In female patients, SD was positively associated with duration of disease, HAMD, HAMA and NMS (r=0.194, 0.163, 0.189 and 0.178, all P＜0.05).The forward binary Logistic regression analysis indicated that female gender (OR=0.539, P＜0.05), duration of disease (OR=1.133, P＜0.05), NMS (OR=1.104, P＜0.05) and history of exposure to heavy metals (OR=5.268, P＜0.05) were associated with SD.Conclusions SD is a common complication in patients with Parkinson's disease, and a great attention should be paid to its screening and diagnosis.

Objective To evaluate the performance of polymerase chain reaction (PCR)‐based rapid detection of methicillin‐resistant S .aureus (MRSA) from the respiratory specimens of ICU patients in comparison with conventional sputum culture . Methods We collected 3 respiratory specimens from each patient simultaneously for bacterial culture ,fungal culture and PCR‐based detection of MRSA .The performance of the established PCR method was compared with the results of sputum culture in terms of sensitivity ,specificity ,positive predictive value (PPV) and negative predictive value (NPV) .Results The sensitivity , specificity ,PPV and NPV of PCR assay were 88 .9% ,73 .6% ,36 .4% ,and 97 .5% ,respectively ,which were lower than the reported results of PCR assay with nasal swabs .Conclusions The utility of PCR assay for active screening of MRSA from respiratory specimens still needs further supportive data .However ,PCR assay is somewhat informative in excluding MRSA infection or colonization because of its high NPV .

Heme was extracted from fresh pig blood and made into powder in black coffee color. The product contained about 1.2%-1.8% iron and was added into food to raise its iron content.Three experiments were performed on young mice, piglets and anemic children. After feeding this product, their hemoglobin was all raised significantly (P

As a member of nuclear receptor superfamily, farnesoid X receptor (FXR) has been shown to regulate numerous metabolic pathways, which include playing an important role in bile acid metabolism, maintaining lipid and glucose homeostasis when FXR is activated. With the prevalence of the glucose and lipids disorder, FXR attracts increasing attention. It may be a potential target for the treatment of type 2 diabetes mellitus and lipid disorders.
Bile Acids and Salts ; Diabetes Mellitus, Type 2 ; Glucose ; metabolism ; Homeostasis ; Humans ; Lipid Metabolism ; Receptors, Cytoplasmic and Nuclear ; metabolism