Cardiomyopathies ; chemically induced ; Chlorine Compounds ; poisoning ; Female ; Humans ; Middle Aged ; Oxides ; poisoning

Objective To investigate the effect of 12-lipoxygenase(12-LOX) inhibitor inducing the apoptosis of human hepatocellular carcinoma cell line HepG2 on the expression of survivin gene.Methods HepG2 cells were cultivated in RPMI-1640 medium.12-LOX mRNA was analyzed by reverse transcription polymerase chain reaction(RT-PCR).The effect of baicalein on the proliferation of the cells was detected by thiazolyl blue tetrazoliumbromide(MTT) method.The subcellular structures were observed under electron microscope.DNA ladder pattern on agarose gel electrophores was used to evaluate the apoptotic index of hepG2 cells.The expression of survivin mRNA was analyzed by RT-PCR.Results 12-LOX mRNA was expressed in human HepG2 cells.At concentrations from 20 to 80 ?mol?L-1,baicalein inhibited the proliferation of HepG2 cells in a concentration-and time-dependent manner from 24 to 72 h.There were significant differences between any other groups(P

Objective To map the mutation gene of autosomal dominant congenital lamellar cataract in a family pedigree of four generations.Methods A Family with non-syndromic congenital cataract was recruited from the Eye Center of Tongren Hospital affiliated to Capital Medical University.Family history was recorded.Twenty-eight members of the family pedigree(including twelve affected and sixteen unaffected individuals)were enrolled into the study with informed consent.The twelve affected individuals underwent full clinical and ophthalmological examinations to rule out any concomitant disorders.The sixteen unaffected individuals only underwent ophthalmological examination.Blood samples were collected from all the 28 subjects for genomic DNA preparation.Eighteen different genes were previously reported to be associated with non-syndromic autosomal dominant congenital cataract(ADCC).Multiplex polymerase chain reaction(PCR)was carried out with microsatellite markers near to candidate loci related to congenital cataracts.PCR products from each DNA sample were separated on a 6% polyarcylamide gel and analyzed.Exclusion analysis was performed by allele sharing analysis and gene sequencing.Results The clinical phenotype in the family was isolated corroborating autosomal dominant congenital lamellar cataract.No mutation was found in the eighteen genes in all twenty-eight subjects.Eighteen candidate genes were excluded by allele sharing method and gene sequencing.Conclusion All known ADCC loci have been excluded from this family,which further indicates the clinical and genetical heterogeneity of congenital cataract,and an important clue is provided for finding more cataract responsible genes.Further study should be carried out to screen other relevant genes or loci in patients with ADCC.

[Objective] To observe the effect of Qi-strengthening and blood-activating method for chronic nephritis (CN). [Methods] One hundred and ten patients with CN were randomized into 2 groups. Group A (n = 60) was treated with symptomatic treatment combined with Qi-strengthening and blood-activating herbs including Radix Astragali, Radix Codonopsis, Poria, Rhizoma Dioscorease, Fructus Corni, Rhizoma Curculiginis, Herba Lycopi, Radix Salviae Miltiorrhizae, Semen Persicae and Flos Carthami. Group B (n = 50) was treated with symptomatic treatment combined with oral use of Bailing Capsule, the principal ingredient of which is fermented Cordyceps powder with the actions of tonifying lung and kidney and invigorating essence and Qi. The treatment course lasted 8 weeks. Total therapeutic effect, and the changes of symptoms, immune function, hemorrheology indexes and urine routine indexes before and after treatment were observed. [Results] The total therapeutic effect was 90.00% in group A, higher than 68.00% in group B (P

Objective To detect the main nutritional components of novel jujube beverage from Laoling Zizyphus Jujuba cv.Jinsixiaozao.Methods Free monosaccharides in novel jujube juice were determined by the HPLC-RID method while water-soluble polysaccharides were analyzed by UV spectrophotometric method with the phenol-sulfuric acid derivatization.Amino acid and mineral contents were obtained by the automatic amino acid analyzer and atomic absorption photometric methods, respectively.The quantification of total phenolic and flavonoids was accomplished by the UV spectrophotometric method after the respective complexation of the Folin-Ciocalteu reagent and aluminum nitrate.The contents of rutin and cyclic nucleotides were determined by the HPLC-UV method.Results The average contents of sucrose, glucose, fructose and polysaccharides in novel jujube juice were 3.85, 32.5,27.3 and 3.6 mg/mL, respectively.The total amino acid average content was 269.7 μg/mL.The mineral average contents of Ca, Fe, Mg, Zn, Mn, Cr, and Cu were 35.1,0.85, 55.8, 0.85, 0.44, 0.41, 0.21μg/mL, respectively.The novel jujube juice contained average 1.34μg/mL rutin equivalents of total phenolics and average 157.3 μg/mL gallic acid equivalents of total flavonoids.Finally, the average amounts of rutin, cAMP and cGMP were 7.15, 19.17 , and 8.11 μg/mL, respectively.Conclusion The newly developed jujube juice is worthwhile further marketing development attributed to its rich nutritional components and healthy values .

Objective To study the distribution of pathogenic bacterium and its sensitivity to antibiotic in severe cerebral vascular disease patients with nosocomial pneumonia.Methods Retrospective studies were done in 42 cases of severe cerebral vascular disease patients in neurological intensive care unit (NICU). Secretion from lower respiratory tract was cultivated and done medicine sensitive test at 3 d、4 d、5 d、9 d、16 d after hospitalized,then the etiologic data of nosocomial pneumonia were analyzed.Results Among 42 cases,15 pathogenic microorganisms and 163 strains were cultivated, the fisrt 4 strains were Staphylococcus aureus,Pseudomonas aeruginosa,Klebsiella and Enterobacter cloacae. The results of medicine sensitive test indicated that Gram-negative bacteria was sensitive to Imipenem,and Gram-positive bacteria was sensitive to Vancomycin.Conclusions The main pathogen of nosocomial pneumonia in severe cerebral vascular disease patients may be Staphylococcus aureus,Pseudomonas aeruginosa. Staphylococcus aureus was sensitive to Vancomycin,so Vancomycin can be act as the first choice drug to deal Gram-positive bacteria. Pseudomonas aeruginosa is relatively sensitive to Amikacin and Ciprofloxacin,while Imipenem is the second, but drug fast is to cephalosporins. So the first two antibiotics can be as the experience drugs to deal Pseudomonas aeruginosa.

Objective To customize the optimal plans for radioactive 125I seeds volumetric implants in selected regular target volumes.Methods 125I seeds were symmetrically and uniformly implanted into 3 spherical targets with the diameters of 1,2 and 3 cm and 7 ellipsoidal targets with the 3 dimensions of 1 cm×1 cm×2 cm,1 cm×1 cm×3 cm,1 cm×2cm×2cm,1 cm×2 cm×3 cm,1 cm ×3 cm×3 cm,2 cm×2 cm×3 cm and2 cm×3 cm×3 cm.The activity and inter-space of seeds were adjusted to obtain the conformal and uniform dose distribution,with the prescribed D90 (the dose delivered to 90％ of the targets) greater than 145 Gy.The inter-space of seeds was changed from 1 cm to 0.75 cm,to improve the conformity and uniformity of dose distribution.Plan quality was assessed using homogeneity index (HI),external index (EI) and conformal index (CI).The activity and number of seeds implanted were also recorded and compared.Results For the spherical target with the diameter of 1 cm,when seeds were implanted with the inter-space of 1 cm and 0.75 cm,the HI were 40.0％ and 55.9％,the EI were 98.3％ and 95.1％,the CI were 0.44 and 0.44,respectively.For the spherical target with the diameter of 3 cm and the target with the 3 dimensions of 1 cm × 2 cm × 2 cm,the implant with the inter-space of 1 cm provided better indices of HI,EI and CI than those with the inter-space of 0.75 cm.For the other targets,the implants with the inter-space of 0.75 cm provided better indices of EI and CI than those with the inter-space of 1 cm,although they displayed a little worse homogeneity in terms of HI.The activity per seed was 17.0-27.8 MBq and 30.0-58.8 MBq in the implants with the inter-spaces of 0.75 cm and 1 cm,respectively.2-10 more seeds were needed in the implants with the inter-space of 0.75 cm.Conclusions For the studied targets except the spherical targets with the diameter of 1 cm and 3 cm and the ellipsoidal target with the dimension of 1 cm × 2 cm × 2 cm,125I seeds implanted with the inter-space of 0.75 cm could provide more conformal dose distribution.It could be the better customized plans for uniformly spaced seed implantation.

The gamma-cyclodextrin-folate (gamma-CD/FA) inclusion-coated CdSe/ZnS quantum dots (QDs) with folate-receptor (FR) targeted were synthesized by simple and convenient sonochemical method. The products were studied using Fourier transform infrared (FTIR), proton nuclear magnetic resonance (1H NMR), utraviolet-visible spectrometry (UV-vis), fluorescence spectrum and transmission electron micrographs (TEM). The results showed that the gamma-CD/FA-coated CdSe/ZnS QDs not only have good monodispersity and smaller size, but also have good optical performance, such as higher quantum yield (QY) and a long fluorescence lifetime. The cytotoxicity experiments showed that the gamma-CD/FA-coated CdSe/ZnS QDs have lower cytotoxicity and could more effectively enter cancer cells with FR over-expression. The QDs with 4-5 nm in diameter were relatively easy to enter the cell and to be removed through kidneys, so it is more suitable for biomedical applications for bioprobes and bioimaging.

Objective To analyze the clinical characterist ic s and treatment of chronic idiopathic intestinal pseudo-obstruction(CIIP). Methods We retrospectively reviewed 8 C IIP patients admitted to our hospital from 1980 to 1999. There were 4 males and 4 females, with an average age of 29 years. Results The earliest onset of symptom was at an age of 2 years old. Re current abdominal distention is the most common symptom. Gastrointestinal imagin g and colonoscopy showed dilated loops of bowels with no evidence of mechanical obstruction. Delayed gastric emptying was presented by radionucleotide(~99m Tc-Sc) gastric emptying test. Gastrointestinal manometry showed low pressure in esophagus and colon. Biopsy taken in 2 patients showed chronic inflammation. On e patient underwent total colectomy for the treatment of lesions confined within the colon. Prokinetic agents have limited efficacy. Conclusions CIIP is a rare disease. Operation is not a prima ry method for treatment. The patients usually have poor prognosis.

The subject nature of nursing science was defined as that of humanity and social science.Qualitative and quantitative methods should be combined in studies of nursing science .Only the research methods of nursing science are used , can the nursing science turn out an independent subject .