Objective To summarize the clinical features,diagnosis and surgical strategies of the acute and subacute nontraumatic spinal cord injury.Methods We analyzed retrospectively 46 cases of patients with acute and subacute nontraumatic spinal cord injury,who were admitted in the southwest hospital between January 2010 and december 2015.We summarized the clinical data and the effects of the surgical treatments.Results Among the 46 patients,There were 27 males and 19 females with mean age of 40.7 years (10-70).They were followed up for more than 3 months.Neurological function of ASIA at the initial admission included A in 9 cases,B in 6,C in 12 and D in 19.There were 5 hematoma patients (10.9％),11 neurilemmoma cases(23.9％),4 cases of acute disc herination (8.7％),Vascular Malformation 7 cases (15.2％),5 meningioma patients (10.9％),glioma 10 cases(21.7％) and enterogenous cyst 1 case(2.2％).46 patients underwent preoperative MRI examination,followed by spinal canal exploration,lesion resection and/or decompression.Operation within 8 hours,the signs and symptoms were improved in 6 cases.Operation within 8-24 hours were improvement in 2 cases,Operation after 24 hours improvement in 25 cases.Conclusion Early MR imaging and emergency spinal canal exploration and lesion resection with or without lamina decompression surgery is effective for the treatment of patients with acute and subacute nontraumatic spinal cord injury.

Objective To synthesize soybean isoflavones, and their 7-alkaline analogues and to evaluate their uterotrophic activities and anti-uterotrophic activities preliminarily. Methods The target molecules were synthesized by multi-step from resorcinol and p-substituted phenylacetic acid as the starting material. Their uterotrophic activities and anti-uterotrophic activities were evaluated by female mouse at the concentration of 1.1?10 -2 ?mol/ml and 1.85?10 -3 ?mol/ml. Results Twenty-two compounds were synthesized, among which 4 intermediates and 12 isoflavones are new compounds. Conclusion All the target molecules except for 6a show weak uterotrophic activities and high anti-uterotrophic activities.

OBJECTIVE:To develop a capillary electrophoresis method for determing the enantiomer of ceftriaxone Na.METHODS:A chiral resolving agent,?-cyclodextrin,was employed as chiral additive for ceftriaxone Na enantiomeric separation by capillary electrophoresis.In different electrophoresis polarity mode,the effect of pH of background electrolyte and the concentration of ?-cyclodextrin were investigated.RESULTS:The optimal conditions for enantiomeric separation were as follows:separation voltage:28kV,buffer solution:NaH2 PO4 50mmol/L,?-CD 0.04mmol/L,Tirs 3.0mmol/L,pH7.15.CONC_LUSION:The method is simple,sensitive,rapid and accurate,and can be used for the quality control of ceftriaxone Na enantiomers.There was significant difference in contents of enantiomers of ceftriaxone Na between products of two factories.We suggest that a quality control method for ceftriaxone Na enantiomer should be established,which will provide scientific basis for quality control of drug and clinical choice of effective antibioties.

Objective To investigate the relationship between single nucleotide polymorphisms of surfactant protein C(SP-C)gene and respiratory distress syndrome(RDS)in the Han nationality newborns in Inner Mongolia and whether there is a mutation occurs on SP-C gene exon 4 and 5.Methods One hundred newborns with RDS(case group)and 100 newborns without RDS(control group)were selected.PCR gene analysis was used to establish the genotype and allele frequencies of exon 4 (T138N)and 5 (S186N)on SP-C.Results In the Han nationality newborns of Inner Mongolia region,there was no mutation on SP-C gene exon 4 and 5.Exon 4(T138N)on SP-C could be checked out three genotypes:namely AA,AC and CC.The genetic polymorphisms of exon 4 on SP-C were not statistically different between the case group and the control group(χ2 ﹦0.744,P ﹦0.689).Besides,exon 5(S186N)on SP-C could also be checked out three genotypes:namely AA,AG and GG.The genetic polymorphisms of exon 5 on SP-C were also not statistically different between the case group and the control group(χ2 ﹦0.770,P ﹦0.681 ).Conclusion There is no mutation on SP-C gene exon 4 and 5.The genetic polymorphism of exon 4 and 5 on SP-C displays no signifi-cant correlation with RDS of the Han nationality newborns in Inner Mongolia.

Objective To investigate the relationship between the exon 4 gene polymorphism of TIM-1 and rheumatoid arthritis (RA) in Han population from Hubei province.Methods Polymerase chain reaction was used to detect the ins/del polymorphism of the exon 4 of TIM-1 from RA population and the normal con- trols.Rheumatoid factor (RF),anti-cyclic citrullinated peptide (CCP) antibody and anti-keratin antibody (AKA) were also detected.Results Two alleles,a wild type del and a variant allele ins were identified in the TIM-1 exon 4.The genotype frequencies of del/del,ins/del and ins/ins were 0.650,0.280 and 0.070 respec- tively in the normal controls and 0.616,0.302,0.082 respectively in RA population.There was a significant correlation between the positive ratio of AKA and the genotypes of the exon 4.Conclusion The polymorphism of the exon 4 of TIM-1 is not associated with rheumatoid arthritis in Han population from Hubei Province of China.The genotypes of the exon 4 may have an effect on the expression of AKA.

Shuyu Pill is the representative prescription for treating deficiency-essence. This article discussed the consistency of diabetes and deficiency-essence from TCM syndromes and etiology and pathogenesis, and probed into the correlation between Shuyu Pill and diabetic Western medicine of pathomechanism diabetes from the modern pharmacological research on Shuyu Pill. Therefore, it proposed that diabetes has the essence of deficiency-essence;the pathogenesis of diabetes should meet the efficacy of Shuyu Pill; pharmacological effects of Shuyu Pill can affect various pathological mechanism of diabetes, with a purpose to provide new ideas for the clinical treatment of diabetes.

Objective To explore the prenatal genetic diagnosis for classic phenylketonuria (PKU) families.Methods Probands and their family members from three classic PKU families were analyzed by combining linkage analysis through short tandem repeats (STR) polymorphism and PCR-sequencing for the exons within mutation hot spot of phenylalanine hydroxylase gene.Results Linkage analysis found uninformative for Family 1,while 100 % confirmative information was obtained from Family 2 and 3.Sequencing showed compound heterozygous mutations of phenylalanine hydroxylase gene for all of the three probands.Five mutations were detected,namely Y166X,R243Q,R413P,EX6-96A ＞ G and IVS11-1G＞ C,and IVS11-1G ＞ C was a novel identified muntation.Information from linkage analysis and mutation screening showed clearly that the fetus of Family 1 and 2 were affected,while normal for Family 3.Conclusions For those PKU families,reliable service of prenatal genetic diagnosis could be provided by combining linkage analysis with mutation screening of phenylalanine hydroxylase gene.

OBJECTIVE:To prepare Idebenone solid dispersion,and to investigate its dissolution rate in vitro. METHODS:Us-ing Poloxamer 407(P407)as carrier,the influence of preparation methods(solvent method,melting method)and the ratio of the drug to P407(1∶1,1∶3,1∶8)on the dissolution of drug were investigated by single factor design. The state of idebenone in ma-trix of solid dispersion was further determined by using differential scanning calorimetry (DSC) and X-ray powder diffraction (XRD). RESULTS:Idebenone solid dispersion prepared by solvent method(the ratio of the drug to poloxamer was 1∶3)showed dissolution rate of 80%. The majority of idebenone existed in the solid dispersion at amorphous forms or molecular state. CONCLU-SIONS:Idebenone solid dispersions with high dissolution rate in vitro is prepared successfully.

Objective To determine the effect of deferoxamine administration on autophagy in a rat model of blast-induced brain injury.Methods Thirty-nine male SD rats were allotted to shamoperated group,injury group and deferoxamine group with 13 rats in each,according to the random number table.Feeney's method was applied to establish the model.Deferoxamine group received deferoxamine of 100 mg/kg intraperitoneally.Sham-operated and injury group were injected with saline intraperitoneally.All treatments were started two hours postinjury at 12 hour interval for up to 28 days.Hemoglobin,rectal temperature,blood glucose and mortality were detected at 1,3,7,14 and 28 days.Morris water maze was conducted.Rats were killed later for detecting the brain defect volume and level of Beclin 1 at the site of injury.Results There were no significant differences among the three groups with respect to hemoglobin,rectal temperature and blood glucose (P ＞ 0.05).Mortality in injury versus deferoxamine groups did not differ significantly (P ＞ 0.05).Volume of defected brain in deferoxamine group was (115.35 ± 13.70) mm3,smaller than (209.99 ± 16.70) mm3 in injury group (P ＜ 0.05).In Morris water maze test,the time spent in the searching the platform and latency to reach the platform were improved in deferoxamine group compared to those in injury group [(3.13 ± 0.35) vs (2.13 ± 0.64);(36.15 ± 26.63) s vs (110 ± 47.34) s respectively] (P ＜ 0.05).Both immunohistochemisty and western blot showed dramatically increased level of Beclin 1 after injury,but treatment with deferoxamine significantly reduced the Beclin 1 expression.Conclusion Level of Beclin 1 is significantly upregulated after blast-induced brain injury in rats,resulting in elevated autophagy postinjury,but the treatment with deferoxamine is neuroprotective possible by lessening autophagy damage.

Objective To investigate the characteristics of pathogen distribution and drug resistance of pulmonary infection in hemorrhagic brain injury patients from neurosurgical intensive care unit (NICU).Methods Clinical data of 234 patients with hemorrhagic brain injury hospitalized in NICU from March 2013 to September 2014 were retrospectively analyzed.According to the incidence of pulmonary infection,the patients were divided into pulmonary infection group and non-pulmonary infection group.Parameters estimated were admission GCS,sex,age,history of smoking,time of coma,duration of mechanical ventilation,NICU length of stay.Patients in pulmonary infection group were analyzed on the distribution of pathogens and incidence of drug resistance.Results A total of 158 patients (67.5％) had pulmonary infection.Among them 60 cases (38.6％) were found to be co-infected including infection with two pathogens in 26 cases (16.5％),three pathogens in 19 cases (12.0％),and four and more pathogens in 16 cases (10.1％).Age and smoking increased the incidence of pulmonary infection (P ＜ 0.05).Time of coma,duration of mechanical ventilation,and NICU length of stay were prolonged in pulmonary infection group than in non-pulmonary infection group (P ＜ 0.05).A total of 219 strains of pathogens were isolated from the patients in pulmonary infection group.Specifically,there were 193 strains of gram negative bacteria (88.1％),13 strains of gram positive bacteria (5.9％),and 13 strains of fungi (5.9％).Gram negative were sensitive to amikacin,imipenem,cefoperazone/ sulbactam and ciprofloxacin.Staphylococcus aureus isolated were 100％ sensitive to vancomycin,linezolid and teicoplanin,and were completely penicillin resistant.Fungi were not resistant to voriconazole,itraconazole,ketoconazole,fluconazol,and amphotericin B.Conclusions High incidence of pulmonary infection is noted among the hemorrhagic brain injury patients in NICU,and the pathogens are diverse dominated by Gram negative bacteria.Incidence of multi-drug resistant pulmonary infection is high,indicating that the key point is to choose antibiotics rationally based on drug sensitivity test.