<strong>Background:</strong><span><span><span style="font-family:""><span style="font-family:Verdana;"> Group B </span><i><span style="f...<strong>Background:</strong><span><span><span style="font-family:""><span style="font-family:Verdana;"> Group B </span><i><span style="font-family:Verdana;">Streptococcus </span></i><span style="font-family:Verdana;">(GBS) is a major cause of bacterial infections in the perinatal period, of which colonization prevalence among Northern-Nigerian pregnant women is scarce. We attempted to determine </span></span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">1</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">) its prevalence</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">,</span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">2</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">) risk factors for GBS colonization and </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">3</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">) drugs-susceptibility.</span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><b><span style="font-family:Verdana;">Methodology:</span></b></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"> This cross-sectional study involved 185 pregnant women between 35</span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">-</span></span></span><span><span><span style="font-family:""> </span></span></span><span><span><span style="font-family:""><span style="font-family:Verdana;">37 weeks of gestation at tertiary health center of Sokoto, Nigeria. </span><span style="font-family:Verdana;">Vaginal/rectal swabs were collected, were cultured for GBS and tested for drug-</span><span style="font-family:Verdana;">susceptibilities. The study was conducted between December, 2017 and April, </span><span style="font-family:Verdana;">2018.</span></span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><b><span style="font-family:Verdana;">Results:</span></b></span></span><span><span><span style="font-family:""> <a name="_Toc14800008"></a><span style="font-family:Verdana;">One hundred and eighty five (185) pregnant women participated </span></span></span></span><span><span><span><span style="font-family:""><span style="font-family:Verdana;">in this study. GBS vaginal-colonization-rate was 3.8% (7/185). A significance relationship was observed between GBS-colonization and socio-economic class, as 57.10% (4/7) of the GBS positive women were of low-socio economic class (</span><i><span style="font-family:Verdana;">p</span></i><span style="font-family:Verdana;"> 0.035). No associations were observed between GBS-colonization and the followings: maternal age, parity, poor obstetric outcome-history. All the 7 GBS positive cultures were sensitive to Clindamycin. One was sensitive to both Clindamycin and Ceftriaxone. None was sensitive to Penicillin. </span><b><span style="font-family:Verdana;">Conclusion</span></b></span></span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><b><span style="font-family:Verdana;">:</span></b></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"> The prevalence of GBS colonization was low in this area. Maternal socio-economic class is found to be a risk of GBS-colonization.</span></span></span>展开更多
Drug addicts are not only harmoffenders to society,but also the special social vulnerable groups. Fromthe perspective of social responsibility and the social welfare,this paper,through an objective assessment of the d...Drug addicts are not only harmoffenders to society,but also the special social vulnerable groups. Fromthe perspective of social responsibility and the social welfare,this paper,through an objective assessment of the drug abuser 's situation and analysis of the existing problems of social assistances for drug users,put forward the countermeasures and suggestions on effective drug control and giving up drugs combined with compulsory addiction treatment with social assistance.展开更多
The Ca. LSU intron flanking a 129 bp cxon upstream and a fOO bp exondownstream was inserted into the lacZ gene on pRS426 to transform E. coli. Northern blot analysisand RT-PCR showed that splicing of Ca. LSU in E. col...The Ca. LSU intron flanking a 129 bp cxon upstream and a fOO bp exondownstream was inserted into the lacZ gene on pRS426 to transform E. coli. Northern blot analysisand RT-PCR showed that splicing of Ca. LSU in E. coli is efficient upon inducible expression of theprecursor RNA, In contrast, co-lranscriptional self-splicing of the intron in vitro is much lessactive. Therefore, this E. coli splicing system can be used as a better model to investigate theeffect of the ribozyme inhibitors on Ca. LSUsplicing in living cell. We examined (he effects ofneomycin sulfatc and pentamidine on Ca. LSU splicing in E. coli, and found that these drugsdoes-dependently inhibit the intron splicing. However, heomycin is more potent than pentamidine inthis action.展开更多
文摘<strong>Background:</strong><span><span><span style="font-family:""><span style="font-family:Verdana;"> Group B </span><i><span style="font-family:Verdana;">Streptococcus </span></i><span style="font-family:Verdana;">(GBS) is a major cause of bacterial infections in the perinatal period, of which colonization prevalence among Northern-Nigerian pregnant women is scarce. We attempted to determine </span></span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">1</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">) its prevalence</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">,</span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">2</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">) risk factors for GBS colonization and </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">3</span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">) drugs-susceptibility.</span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><b><span style="font-family:Verdana;">Methodology:</span></b></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"> This cross-sectional study involved 185 pregnant women between 35</span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;">-</span></span></span><span><span><span style="font-family:""> </span></span></span><span><span><span style="font-family:""><span style="font-family:Verdana;">37 weeks of gestation at tertiary health center of Sokoto, Nigeria. </span><span style="font-family:Verdana;">Vaginal/rectal swabs were collected, were cultured for GBS and tested for drug-</span><span style="font-family:Verdana;">susceptibilities. The study was conducted between December, 2017 and April, </span><span style="font-family:Verdana;">2018.</span></span></span></span><span><span><span style="font-family:""> </span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><b><span style="font-family:Verdana;">Results:</span></b></span></span><span><span><span style="font-family:""> <a name="_Toc14800008"></a><span style="font-family:Verdana;">One hundred and eighty five (185) pregnant women participated </span></span></span></span><span><span><span><span style="font-family:""><span style="font-family:Verdana;">in this study. GBS vaginal-colonization-rate was 3.8% (7/185). A significance relationship was observed between GBS-colonization and socio-economic class, as 57.10% (4/7) of the GBS positive women were of low-socio economic class (</span><i><span style="font-family:Verdana;">p</span></i><span style="font-family:Verdana;"> 0.035). No associations were observed between GBS-colonization and the followings: maternal age, parity, poor obstetric outcome-history. All the 7 GBS positive cultures were sensitive to Clindamycin. One was sensitive to both Clindamycin and Ceftriaxone. None was sensitive to Penicillin. </span><b><span style="font-family:Verdana;">Conclusion</span></b></span></span></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><b><span style="font-family:Verdana;">:</span></b></span></span><span style="font-family:Verdana;"><span style="font-family:Verdana;"><span style="font-family:Verdana;"> The prevalence of GBS colonization was low in this area. Maternal socio-economic class is found to be a risk of GBS-colonization.</span></span></span>
基金the Jiangsu Social Science Fund Project(10SHB006)study results of the
文摘Drug addicts are not only harmoffenders to society,but also the special social vulnerable groups. Fromthe perspective of social responsibility and the social welfare,this paper,through an objective assessment of the drug abuser 's situation and analysis of the existing problems of social assistances for drug users,put forward the countermeasures and suggestions on effective drug control and giving up drugs combined with compulsory addiction treatment with social assistance.
基金Supported by the National Natural Science Foundation of China (30170213) and the Foundation of Wuhan University(0000028)
文摘The Ca. LSU intron flanking a 129 bp cxon upstream and a fOO bp exondownstream was inserted into the lacZ gene on pRS426 to transform E. coli. Northern blot analysisand RT-PCR showed that splicing of Ca. LSU in E. coli is efficient upon inducible expression of theprecursor RNA, In contrast, co-lranscriptional self-splicing of the intron in vitro is much lessactive. Therefore, this E. coli splicing system can be used as a better model to investigate theeffect of the ribozyme inhibitors on Ca. LSUsplicing in living cell. We examined (he effects ofneomycin sulfatc and pentamidine on Ca. LSU splicing in E. coli, and found that these drugsdoes-dependently inhibit the intron splicing. However, heomycin is more potent than pentamidine inthis action.