2.Cloning and Expression Analysis of two Endosperm Promoters in Rice
Yong-Lan CUI ; Xiao-Li ZHONG ; Yong-Ming ZHANG ; Zhong-Nan YANG ;
China Biotechnology 2006;0(08):-
The cloning of promoter is important for studying the genetic engineering and the regulation of gene expression in plants. Two promoters Os772 and Os359, which are predicted to be highly expressed in the endosperm of rice from the EST database were cloned. After construction of the Os772∶∶GUS and Os359∶∶GUS expression vectors, they were transformed into rice. X-Gluc staining of transgenic plants showed that Os772 and Os359 can promote GUS gene expression in matured endosperm but not in root, stem, leaf and flower. This result indicates Os772 and Os359 are two rice endosperm-specific promoters.
3.Continuous intravenous infusion of midazolam for treatment of status epilepticus in children.
Jian-min ZHONG ; Jian-hua LI ; Yong CHEN
Chinese Journal of Pediatrics 2004;42(4):299-300
Adolescent
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Age Factors
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Anti-Anxiety Agents
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administration & dosage
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adverse effects
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therapeutic use
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Child
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Child, Preschool
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Female
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Humans
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Infant
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Infusions, Intravenous
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Male
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Midazolam
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administration & dosage
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adverse effects
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therapeutic use
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Status Epilepticus
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drug therapy
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Treatment Outcome
4.Effect of high glucose environment on the NF-κB/Iκ B signal pathway in cultured rat glomerular mesangial cell and its mechanism
Ling XU ; Jia LI ; Lan JIANG ; Yong XU ; Haihua ZHONG
Chinese Journal of Endocrinology and Metabolism 2010;26(2):152-154
To explore the effect of high glucose on the NF-κB/IκB signal pathway in cultured rat glomerular mesangial cells. The results showed that high glucose increased the degradation of IκB-α and the translocation to nucleus of NF-κB. These changes could be reverted mostly by MG132, a proteasome inhibitor. It suggests that the activation of the NF-κB signal pathway by high glucose concentration may probably be via the ubiquitin-proteasome pathway.
7.Value of Doppler ultrasound in monitoring velocity waveforms in the fetal main pulmonary artery in patients with early onset severe preeclampsia
Yong GUAN ; Shengli LI ; Haiteng YE ; Wenjun ZHONG ; Chenhong WANG
Chinese Journal of Ultrasonography 2017;26(7):587-591
Objective To explore the change of Doppler velocity waveforms in the fetal main pulmonary artery in patients with early onset severe preeclampsia and to assess its value in fetal lung maturity.Methods A prospective study was conducted to analyze fetal main pulmonary artery velocity waveforms parameters including acceleration time(AT),ejection time(ET),acceleration time/ejection time (AT/ET),peak systolic velocity (PSV) in 30 cases of pregnant women with early onset severe preeclampsia.According to neonatal outcome,these cases were divided into respiratory distress syndrome (RDS) group (18 cases) and non-RDS group (12 cases).Each group was compared with 54 cases and 36 cases that were normal and had corresponding gestational age separately.Doppler parameters were compared between these two groups and their corresponding normal control groups.Results Gestational age at sonographic examination,gestational age at delivery and birth weight of neonates in RDS group were significantly lower than those in non-RDS group(all P <0.001).The value of AT,ET,AT/ET,PSV were lower in RDS group than those in gestational age-matched control group(all P <0.05),while there were no significant difference between non-RDS group and gestational age-matched control group(all P > 0.05).Conclusions Doppler ultrasound monitoring fetal main pulmonary artery velocity waveforms to evaluate fetal lung maturity in patients with early onset severe preeclampsia has clinical application value.
8.Effects of A2a adenosine receptor antagonist SCH442416 and ZM241385 on GS and GLAST expression in rat retina under chronic intraocular hypertension
Yong LI ; Yingjun MIN ; Lili LANG ; Yisheng ZHONG ; Runqi ZHANG
Recent Advances in Ophthalmology 2017;37(7):615-618
Objective To observe the effects of A2a adenosine receptor antagonist SCH442416 and ZM241385 on the expression of glutamine synthetase(GS) and L-Glutamate/L-Aspartate Transporter(GLAST) in rat retina under chronic ocular hypertension model.Methods Rat chronic ocular hypertension models were induced in the right eye of 12 male Sprague Dawley rats by blocking three episcleral veins,the left eye as control one.Intraocular pressure (IOP) was measured and compared at postoperative 1 week,2 weeks and 3 weeks.54 male chronic ocular hypertension rats were divided into 3 groups randomly,topically applying A2a adenosine receptor antagonist SCH442416,ZM241385 and carrier,respectively,three times a day for three weeks.At three weeks,mRNA and protein expression of GS and GLAST in rat retina were analyzed by RealTime-PCR and Western-blot.Results The average IOP of the modeling eyes at postoperative 1 week,2 weeks and 3 weeks were higher than that of the control eyes (all P < 0.05).The mRNA and protein expression of GS and GLAST in the retina of SCH442416 and ZM241385 groups increased significantly compared to the carrier group (all P < 0.05).However,the differences of mRNA and protein expression of GS and GLAST between SCH442416 and ZM241385 groups was not significant(all P > 0.05).Conclusion Rat chronic ocular hypertension model can be induced by blocking three episceral veins successfully and effectively.A2a adenosine receptor antagonist SCH442416 and ZM241385 increase the expression of GS and GLAST.There seems no difference between the effects of these two drugs.
10.Etiology of severe acute respiratory syndrome.
Chang-an ZHAO ; Zhong-zhi LI ; Yong-hong YANG
Chinese Journal of Pediatrics 2003;41(6):439-440