Animals ; Base Sequence ; Gene Expression Regulation ; Humans ; MicroRNAs ; genetics ; metabolism ; Molecular Sequence Data ; RNA, Viral ; genetics ; Virus Diseases ; genetics ; metabolism ; virology ; Virus Physiological Phenomena ; Viruses ; genetics ; metabolism

Objective To analyse the clinical characteristics,gene mutation and enzymatic activity of αgalactosidase A(α-GalA)in a 15-year-old male patient with typical Fabry disease,whose mother was without any clinical manifestations.Methods Clinical features and laboratory data were collected from the patient and his mother.Genomie DNA was extracted from peripheral blood of the patient.his mother,and a healthy control subject.Seven exons of the GLA gene were amplified by PCR.PCR products were purified.cloned into T vector,and then sequenced.The enzymatic activity of α-GalA Was measured by fluorimetrie substrate assay. Results DNA sequencing results showed that a missense mutation of 10036-10038delAAG in exon 7 WaS identified in the patient,resulting in the replacement of 374 lysine and 375 glyeine by arginine,which Was not previously reported.The patient Was a hemizygote with gene mutation,his mother WaS a heterozygote carrying gene mutation,and the healthy control without mutation.α-GalA enzymatic activity assay showed that the enzymatic activity of the patient with GLA gene mutation was only 50%of the healthy control subject,while the enzymatic activity of the patient's mother Was about 70%of the heahhy control SObject.Conclusiolls Detecting GLA gene mutation and α-GalA enzymatic activity in patients with Fabry disease who have been clinically diagnosed seelns to be helpful in finding other patients in the family and in further understanding the molecular pathogenesis of that disease.

Background Clinical researches showed that antimicrobial-resistance of bacterium is gradually serious.It is very important to master pathogen distribution and antimicrobial susceptibility after eye surgery.Objective This study was to investigate the distribution and drug sensitivity of pathogenic bacteria from ocular operative infection in 3-year duration to provide a reference for reasonable selection of antibiotics.Methods Sixtyfive positive specimens were obtained from 65 patients due to postoperative infection in Department of Ophthalmology of Shenzhou Hospital and Shengjing Hospital from 2009 January through 2011 December.The pathogenic bacteria were isolated and then the drug sensitivity test of conventional antibiotics was performed.Results Among the 65 ophthalmic specimens,35 strains of Gram-positive bacteria were isolated with the constituent ratio 53.8％,and 15 strains of Gram-negative bacteria accounted for 23.1％.Fungus was found in 15 cases with the constituent ratio 23.1％.Staphylococcus epidermidis accounted for 42.9％ in Gram-positive bacteria,and Pseudomonas aeruginosa accounted for 33.3％ in Gram-negative bacteria.Aspergillus was the main component of fungus,which accounted for 60.0％ of the proportion 3 strains of methicillin-resistant Staphylococcus aureus (MRSA) in 8 strains of Staphylococcus aureus,but no vancomycin-resistant Enterococcus (VRE) and vancomycin-resistant Staphylococcus (VRS) were seen.The in vitro drug sensitivity test showed that the main Gram-positive bacteria,Staphylococcus epidermidis and Staphylococcus aureus,were sensitive to linezolid,vancomycin,levofloxacin and ciprofloxacin with the sensitive rates ＞50.0％,and these bacteria were lowly sensitive to penicillin and erythromycin with the sensitive rates ≤30.0％.Pseudomonas aeruginosa appeared to be the main Gram-negative bacteria,showing a sensitive rate ≥ 80.0％ to tobramycin,amikacin,ceftazidime,cefepime,cefoperazone/sulbactam,piperacillin/tazobactam,imipenem and meropenem.Conclusions Staphylococcus epidermidis,Staphylococcus aureus,Pseudomonas aeruginosa and Aspergillus are primary pathogens in ocular infection after operation.Antibiotics such as penicillin,erythromycin,levofloxacin,cefotaxime seem to be relatively high resistant to eye infection.To choose sensitive antibiotics timely and reasonably is a key to the prevention and control of ocular infection after operation.

OBJECTIVE: To estimate the application of prognosis evaluation of ulnar nerve injury by 1H-magnetic resonance spectroscopy (1H-MRS). METHODS: The metabolites of first dorsal interossei (FDI) of two hands from 12 healthy volunteers and 1 volunteer with complete ulnar nerve injury were detected by 1H-MRS and the data were statistically analyzed. RESULTS: For the FDI of healthy adults, the female peaks area of extra-myocellular lipids (EMCL) was higher than the male (P < 0.05); There was no significant difference in Cho, Cr and intra-myocellular lipids (IMCL) between male and female (P > 0.05); There was no significant difference in all the peaks area between the left and right hand (P > 0.05). The EMCL peak of the injury side was higher than that of the healthy side, and the area of FDI was reduced in the volunteer with ulnar nerve injury. CONCLUSION Noninvasive and quantitative detection of 1H-MRS may be valuable for prognosis evaluation of peripheral nerve injury.
Adult ; Female ; Humans ; Male ; Peripheral Nerve Injuries/diagnosis* ; Prognosis ; Proton Magnetic Resonance Spectroscopy/methods* ; Sex Distribution ; Ulnar Nerve/metabolism*

Animals ; Basic Helix-Loop-Helix Leucine Zipper Transcription Factors ; genetics ; metabolism ; Diet, High-Fat ; Dietary Carbohydrates ; administration & dosage ; Dietary Fats ; administration & dosage ; Lipoproteins, IDL ; blood ; Liver ; metabolism ; Male ; RNA, Messenger ; genetics ; metabolism ; Random Allocation ; Rats ; Rats, Sprague-Dawley ; Triglycerides ; blood

The DNA structures could be altered or even damaged by exogeous or endogenous factors during cell proliferation. Failure of effective and timely repair will lead to cell cycle arrest or apoptosis. By taking the advantage of the quick proliferation of cancer cells, DNA damage induction, cell cycle arrest and apoptosis promotion have become important strategies for ant-cancer chemotherapy. Previous reports showed that an array of natural compounds inhibit cancer cell proliferation by inducing DNA damage, which have therapeutic potentials for anti-cancer drug research and development.
Animals ; Biological Products ; pharmacology ; therapeutic use ; DNA Damage ; Drugs, Chinese Herbal ; therapeutic use ; Humans ; Neoplasms ; drug therapy

OBJECTIVEA method for determined oxygen permeability (Dk) of finished soft contact lens.

METHODSOxygen permeability(Dk) of 10 group finished soft contact lens was determined by polarographic method, and the values were linearly calibrated using the measured and established Dk values of the specified reference materials.

RESULTSOnly one Dk value fell outside of the requirement of GB 11417.3-2012 tolerance for Dk (± 20%).

CONCLUSIONIt is great practicability when determined the oxygen permeability (Dk) of finished soft contact lens by polarographic method which were linearly calibrated using the measured and established Dk values of the specified equal thickness reference materials without the measured lens customized 4 different thickness.

From an ethanol extract of Euphorbia micractina roots, seven steroids fifteen aromatic derivatives were isolated by a combination of various chromatographic techniques, including column chromatography over macroporous resin, silica gel, and Sephadex LH-20 and reversed-phase HPLC. Their structures were elucidated by spectroscopic data analysis as stigamast-5-ene-3beta, 7alpha-diol(1), stigamast-5-ene-3beta,7beta-diol(2), stigmast-5-en-3beta-ol-7-one(3), stigmast-4-en-6beta-ol-3-one(4), stigmast-1, 4-dien-3-one(5), stigmast-3,6-dione(6), beta-sitosterol(7), scopoletin(8), aesculetin(9), 6-hydroxy-5,7-dimethoxycoumarin(10), quercetin(11), 3,3', 4'-tri-O-methylellagic acid(12), p-hydroxyphenylethyl anisate(13), m-hydroxyphenylethyl alcohol(14), (E)-cinnamic acid(15), (E)-ferulic acid(16), 3,4-dihydroxybenzoic acid(17), vanillic acid(18), p-hydroxybenzoic acid(19), ethyl 3,4-dihydroxybenzoate (20), ethyl gallate(21), and methyl gallate(22). These compounds were obtained from this plant for the first time.
Drugs, Chinese Herbal ; chemistry ; Euphorbia ; chemistry ; Molecular Structure ; Spectrometry, Mass, Electrospray Ionization ; Steroids ; chemistry

The tissue-specific and MeJA-induced transcriptional levels of BcUGT3 and BcUGT6 in Bupleurum chinense were analyzed in the present study. The transcriptional levels of BcUGT3 in root, leaf, flower and fruit were similar and they all were higher than those in stem. The transcriptional level of BcUGT6 was the highest in leaf and the lowest in flower among in all tested tissues. With non-treated adventitious roots as control, BcUGT6's transcriptional levels were elevated to nearly 2 folds for 2 h, 8 h, 24 h, 2 d and 4 d in MeJA-treated adventitious roots of B. chinense. It showed that the transcriptional level of BcUGT6 was slightly affected by MeJA. While, BcUGT3's transcriptional levels were gradually elevated, and till 4 d after MeJA treatment, the expression level was about 7 folds than that of non-treated control. Using pET-28a (+), the expressions of two genes was investigated. Induced by IPTG, the target proteins were expressed in E. coli and then purified. All the results obtained in the present study will be helpful for follow-up bio-function analysis of BcUGT3 and BcUGT6.
Acetates ; pharmacology ; Bupleurum ; cytology ; enzymology ; genetics ; Cell Membrane ; metabolism ; Cyclopentanes ; pharmacology ; Escherichia coli ; genetics ; Gene Expression ; Gene Expression Regulation, Plant ; drug effects ; Hexosyltransferases ; chemistry ; genetics ; isolation & purification ; metabolism ; Intracellular Space ; metabolism ; Oxylipins ; pharmacology ; Protein Sorting Signals ; Protein Structure, Secondary ; Protein Transport ; Sequence Analysis ; Transcription, Genetic ; drug effects

Objective To evaluate the b value of diffusion-weighted(DW)MRI in distinguishing between benign and malignant breast lesions.Methods Three diffusion-weighted sequences were implemented with 500,1000 and 2000 s/mm~2 b values respectively on 95 breast lesions in 83 patients.All lesions were confirmed by pathology.The apparent diffusion coefficient(ADC)values and signal intensity (SI)were recorded and compared in different lesions(breast cancer,benign lesion,cyst and normal beast tissue)with the same b value and the same lesions with the different b values.Results(1)The mean ADC value and SI of breast cancer were 1.375?0.378 and 839.713?360.493 respectively with b= 500 s/mm~2,1.176?0.311 and 459.314?229.609 with b=1000 s/mm~2,0.824?0.198 and 243.825? 110.616 with b=2000 s/mm~2.The differences in the mean ADC value were significant between two type lesions(cancer and benign lesion,cancer and cyst,cancer and normal breast tissue)with b values of 500 s/mm~2 and 1000 s/mm~2.But the significant differenee was only seen between cancer and benign lesions when b value was 2000 s/mm~2.(2)The one-side upper limits of 95% confidence interval of mean ADCs were adopted as the point to separate the malignant from the benign lesions,the sensitivity was 70.92%, 70.73% and 69.77%,the specificity was 77.19%,75.70% and 54.76%,the accuracy was 77.12%, 74.32% and 62.35% respectively with b values of 500 s/mm~2,1000 s/mm~2 and 2000 s/mm~2.The areas under ROC eurves were Az_(500)=0.775?0.046(P0.05).Conclusion DWI MRI is useful for the differential diagnosis of breast lesions with b values of 500 s/mm~2 and 1000 s/mm~2.