1.Efficacy and safety of short-term sensor-augmented insulin-pump therapy for poorly controlled patients with type 1 diabetes mellitus
Chunhong SHI ; Lisha ZHANG ; Ran BAI ; Dan LIU ; Yongbo WANG ; Hao WANG ; Yu YANG ; Xueyang ZHANG ; Yangyang JI ; Jianling DU
Chinese Journal of General Practitioners 2016;(2):118-122
Objective To evaluate the efficacy and safety of short-term sensor-augmented insulin-pump (SAP) therapy for poorly controlled patients with type 1 diabetes mellitus (T1DM).Methods Sixty T1DM patients with glycosylated hemoglobin (HbA1c)>9.0% were randomly assigned to 2 groups treated with SAP or multiple daily insulin injection ( MDI) for 6 days, then all patients converted to MDI therapy. Results Compared with MDI group and before therapy, the mean blood glucose concentration ( MBG) , SD of blood glucose, mean amplitude of glycemic excursion ( MAGE) and 24-h area under curve at 10.0 ( AUC10.0 ) levels in SAP group significantly decreased after 6-day therapy ( compared with MDI group:t=1.761,P=0.028, t=2.569,P=0.037, t=2.712,P=0.020, t=2.985,P=0.014, compared with before therapy:t=3.128,P=0.006, t=2.689,P=0.024, t=2.966,P=0.013, t=3.076,P=0.009);while there was no difference in 24-h area under curve at 3.9 (AUC3.9) between groups (P>0.05).After 1 month follow-up HbA1c levels decreased in SAP group (t=2.344,P=0.023) and were significantly lower than those in MDI group (t=1.844, P=0.035).There was no difference in daily insulin dosage, fasting C peptide (FCP) and postprandial 2h C peptide (2hCP) between two groups (P>0.05).Age (t=2.125, P=0.012) and SAP therapy (t=3.376, P=0.009) were independently correlated with the HbA1c after 1 month.Conclusion Short-term SAP therapy is effective and safe for poorly controlled T1DM patients with rapid glucose lowering and glycemic excursions reduction.
2.Progress in genetic research on pachydermoperiostosis.
Ran DU ; Liangliang FAN ; Hao HUANG ; Rong XIANG
Chinese Journal of Medical Genetics 2016;33(1):105-107
Pachydermoperiostosis is a rare genetic disease characterized by finger clubbing, periostosis, cutis verticis gyrata and pachydermia accompanied by acroosteolysis and hyperhidrosis. Recently, two susceptibility genes, HPGD and SLCO2A1, have been identified, whose protein products are involved in the transportation of prostaglandin and metabolism underlying pachydermoperiostosis. Here the genetic basis of pachydermoperiostosis and its correlation with its clinical phenotype are reviewed, which may provide a reference for basic research and clinic diagnosis for the disease.
Animals
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Humans
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Hydroxyprostaglandin Dehydrogenases
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genetics
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Organic Anion Transporters
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genetics
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Osteoarthropathy, Primary Hypertrophic
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diagnosis
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genetics
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therapy
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Phenotype
3.Construction of sugar-based microbial fuel cells by dissimilatory metal reduction bacteria.
Zhi-Dan LIU ; Jing LIAN ; Zhu-Wei DU ; Hao-Ran LI
Chinese Journal of Biotechnology 2006;22(1):131-137
Dissimilatory Metal Reduction Bacteria play an important role in the anaerobic environment. This kind of bacteria gains energy by coupling the oxidation of organic acid or sugars to the reduction of metal oxides. The graphite electrode rode can also be used as the final electron acceptor due to its similarity to solid metal oxides. Based on this biological mechanism, Dissimilatory Metal Reduction Bacteria Rhodoferaxferrireducens was used to construct a suit of microbial fuel cells with sugars as fuel, and the process and mechanism of electricity generation was studied. Rhodoferax ferrireducens was inoculated into the anode chamber in which a graphite electrode served as the final electron acceptor and glucose as the sole electron donor. It was showed that current density was up to 158mA/m2 with the resistance of 510omega at the normal temperature (platform voltage was around 0.46V, the effectual electrode surface was 57cm2). Following 20days' growth a large amount of bacteria cells attached to the electrode surface had been observed through the SEM images. The plandtonic cell protein concentration was 140mg/L and the attached biomass of electrode surface was 1180mg/m2 determined by the Bradford method, which indicated quite a few bacteria attached to the electrode. By analyzing the voltage value measured by the data acquisition system, it was proved that microbial electricity generation attributed mainly to the electrochemically and biologically active cells attached to the electrode, while the planktonic cells had no ability to catalyze electricity generation and almost had not electrochemically and biologically active. Furthermore, this kind of microbial fuel cells exhibited a good electrochemical cycle property and proved to be efficient in biomass utilization and energy restore since other sugars like fructose, sucrose, even xylose, could be oxidized and finally decomposed. Vast waste biomass in the form of carbohydrates is discarded in the environment. Not only is contamination of the environment caused by the discarded biomass, but also abundant energy stored in the biomass is drained away in vain. The sugar-based microbial fuel cells constructed by Rhodoferax ferrireducens could effectively transform the energy stored in sugars into electricity. Meanwhile, the microbial fuel cells presented in this paper, which could work cleanly at normal temperature with a good cycle property, showed a promising future application in this field.
Bioelectric Energy Sources
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microbiology
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Comamonadaceae
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metabolism
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Electricity
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Electron Transport
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Equipment Failure
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Glucose
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metabolism
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Oxidation-Reduction
4.Comparative study on rat in situ nasal absorption of geniposide of Xingnaojing nasal drop and Xingnaojing microemulsion.
Yang LU ; Bo HAO ; Ran WEN ; Hui-Yun LI ; Xue-Jiao ZHAO ; Shou-Ying DU
China Journal of Chinese Materia Medica 2013;38(10):1510-1512
Xingnaojing (XNJ) is an effective clinical drug used to treat acute stroke. Compared with injection administration, its nasal administration has better brain targeting. Therefore, through nasal administration, XNJ microemulsion could help solve the drug load of compound components of different polarities contained in large-dose and high-concentration traditional Chinese medicines, and reduce irritation to nasal mucosa In this study, the modified volume correction method and the improved rat in situ nasal perfusion model were adopted to compare the nasal absorption of geniposide contained in different XNJ preparations. The results showed that the constant absorption rate of geniposide (GE) in XNJ-D was (2.95 +/- 0.25) x 10(-3) min(-1), whereas the constant absorption rate of GE in XNJ-M was (2.16 +/- 0.21) x 10(-3) min(-1). This indicated that the rat nasal absorption of GE in different XNJ preparations complied with the first-order process and could be considered as passive absorption. GE in XNJ-D was absorbed faster than that in XNJ-M, which provided basis for the development of nasal preparations of XNJ.
Absorption
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Administration, Intranasal
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Animals
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Drugs, Chinese Herbal
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pharmacokinetics
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Emulsions
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Iridoids
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pharmacokinetics
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Male
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Nose
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metabolism
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Rats
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Rats, Sprague-Dawley
5.Breeding and microbiological quality control of germ-free pigs
Jing SUN ; Lei DU ; chun Yu DING ; Meng WU ; Lin LUO ; quan Song YANG ; Yong HUANG ; ran Hao CAO ; Hao ZHONG ; Liang-peng ZUO-HUA ; GE LIU
Acta Laboratorium Animalis Scientia Sinica 2017;25(6):699-702
The industry of germ-free animals has been a hot spot in research along with the rapid development of studies on the relationship between microbiota and host diseases. Because it is pathogen?free, and the high degree of simi?larity in anatomy, physiology, pathogenesis to humans, germ?free pig is considered a clinical relevant model to be widely used in life science research. Based on the current state of research of germ?free pig cultivation at home and abroad and the experimental studies carried out in our laboratory as well, this article gives a simple discussion on germ?free technique of domestic pigs.
6.Construction of a prediction model for postoperative infection in elderly patients with hip fracture and analysis of economic burden
Hao-Ning SHI ; Ying DU ; Shuo QIAO ; Hao-Ran YANG ; Hui ZHANG ; Yi-Han SHI ; Xiao YANG ; Jing LI
Chinese Journal of Infection Control 2024;23(10):1220-1227
Objective To construct a prediction model for postoperative healthcare-associated infection(HAI)in elderly patients with hip fracture,analyze the economic burden,provide a reference and basis for the development of clinical prevention and control programs.Methods 627 elderly patients who underwent hip fracture surgery in a hospital from January 1,2017 to May 31,2023 were selected as the study subjects.Patients were randomly divided into a modeling group and a validation group at a 7:3 ratio.A logistic regression prediction model was constructed based on data from the modeling group,the discriminant and consistency of the model were evaluated by receiver ope-rating characteristic(ROC)curve and Hosmer-Lemeshow test,and the direct economic burden of postoperative HAI in patients was analyzed with 1∶1 propensity score matching(PSM).Results The incidence of postoperative HAI in elderly patients with hip fracture surgery was 12.1%,with pulmonary infection being the most common(52.6%).Logistic regression analysis showed that male,old age,perioperative disturbance of consciousness,gradeⅣ of American Society of Anesthesiologists(ASA)classification,low albumin level,and intensive care unit(ICU)admission were all independent risk factors for postoperative HAI in patients(all P<0.05).There was good model discrimination and consistency between the training and validation groups in predicting the risk of postoperative HAI.The direct economic burden of postoperative HAI in patients was 7 927.4 Yuan,of which the burden of wes-tern medicine was the largest(3 139.7 Yuan).HAI prolonged patients hospitalization time by 3.6 days.Conclusion Postoperative HAI increases the economic burden of patients,the nomogram model constructed in this study can effectively predict the risk of postoperative HAI in patients,which can provide a basis for the early identification,as well as the implementation of targeted preventive and diagnostic measures for high-risk patients in the clinic.
7.Detection of Ferric Iron Based on Fluorescence Quenching Effect of N-doped Carbon Quantum Dots
Yi Xiang DENG ; Li Ya FENG ; Ran Hao LI ; Wei Zhu DU ; Qing TENG ; Xing JiN KANG ; Jun Hong WANG
Chinese Journal of Analytical Chemistry 2017;45(10):1497-1503
The photoluminescence properties of carbon quantum dots depend on their size and the properties of surface functional groups. The N-doped carbon dots ( using small molecular ethylenediamine ) with high quantum yield and excellent dispersibility were synthesized by one-step hydrothermal method with biomass tar that was generated in the reductive smelting process as a precursor. Rapid and accurate Fe3+ detection based on the selective fluorescence quenching effect of N-doped carbon quantum dots was achieved. The results showed that the as-synthesized N-doped carbon quantum dots were regular spherical, uniform in size with an average particle size of 2. 64 nm with a quantum yield of 26. 1%, and the crystal lattice spacing was 0. 25 nm, corresponding to the ( 100 ) facet of graphitic carbon structure. The functional groups on the surface of N-doped carbon quantum dots could interact with Fe3+ to form complex compound by coordination, leading to the fluorescence quenching effect. Fluorescence emission ratios kept a linear relationship with the concentrations of Fe3+ in the range of 0. 23-600 μmol/L with the detection limit of 230 nmol/L.
8.The significance of liver hanging maneuver in liver-splitting anterior approach for hepatectomy.
Shu-you PENG ; Hao-ran QIAN ; Jiang-tao LI ; Xue-dong FENG ; Ying-bin LIU ; Jian-wei WANG ; Bin XU ; Jian-jun DU ; Li-ping CAO ; He-qing FANG
Chinese Journal of Surgery 2005;43(19):1239-1242
OBJECTIVETo analyze the feasibility of developing a tunnel between inferior vena cava (IVC) and caudate lobe before passing a tape through it, and to explore the significance of liver hanging maneuver in liver-splitting anterior approach for hepatectomy.
METHODSBlunt dissection was used to develop the tunnel before a tape was passed through. A hemostatic plate was placed on the surface of liver parenchyma if needed. In the procedure of hepatectomy, the tape was pulled up to create an interspace between liver parenchyma and IVC so that the IVC can be protected during transection.
RESULTSLiver hanging maneuver was performed successfully in 47 cases. There were no severe complications related to the procedure in these cases. The procedure was terminated in 1 case because of severe bleeding.
CONCLUSIONS1. Liver hanging maneuver is feasible in terms of anatomy and technique. 2. With liver hanging maneuver, IVC can be protected safely and the intrahepatic vessels and ductal system at the transaction line can be exposed clearly. It also makes anterior approach for hepatectomy safer and easier.
Adolescent ; Adult ; Aged ; Blood Loss, Surgical ; prevention & control ; Child ; Female ; Hepatectomy ; methods ; Humans ; Liver Neoplasms ; surgery ; Male ; Middle Aged
9.Surgical treatment of hepatocellular carcinoma originating from caudate lobe.
Shu-you PENG ; Xue-dong FENG ; Yin-bin LIU ; Hao-ran QIAN ; Jiang-tao LI ; Jian-wei WANG ; Bin XU ; He-qing FANG ; Li-ping CAO ; Hong-wei SHEN ; Jian-jun DU ; Xiu-jun CAI ; Yi-ping MU
Chinese Journal of Surgery 2005;43(1):49-52
OBJECTIVETo explore the significance of surgical treatment of HCC originating from caudate lobe.
METHODSFrom 1995 to 2003, caudate lobectomy, including 19 cases of isolated lobectomy and 20 cases of combined lobectomy, were performed in 39 patients with HCC originating from caudate lobe, and the factors that might influence postoperative liver function were compared between the two groups.
RESULTSAll tumors were resected successfully. One patient died of postoperative renal failure. Hydrothorax occurred in 3 patients, ascites in 4 patients, and bile leakage in 1 patient. The survival rates of 1, 3, 5 year were 53%, 50%, 39% respectively.
CONCLUSIONSCaudate lobectomy is a effective method for HCC originating from caudate lobe.
Adult ; Aged ; Carcinoma, Hepatocellular ; mortality ; pathology ; surgery ; Female ; Follow-Up Studies ; Hepatectomy ; methods ; Humans ; Liver Neoplasms ; mortality ; pathology ; surgery ; Male ; Middle Aged ; Retrospective Studies ; Survival Rate
10.Network Meta-analysis of Qi-benefiting and blood-activating Chinese patent medicines against ischemic stroke.
Li-Jian ZHU ; Hao-Ran DU ; Hai-Long LI ; Yu WANG ; Zhen YANG
China Journal of Chinese Materia Medica 2023;48(11):3097-3109
This study aimed to compare the efficacy of Qi-benefiting and blood-activating Chinese patent medicines in the treatment of ischemic stroke with network Meta-analysis. CNKI, Wanfang, VIP, SinoMed, PubMed, EMbase, and Cochrane Library were searched from database inception to October 2022 for randomized controlled trial(RCT) on 11 Qi-benefiting and blood-activating Chinese patent medicines in the treatment of ischemic stroke. The risk of bias plot was made by RevMan 5.3, and network Meta-analysis and efficacy ranking were performed by Stata 17. Ninety-two RCTs were included, involving 10 608 patients. According to the network Meta-analysis, in terms of the clinical total effective rate, surface under the cumulative ranking curve(SUCRA) as followed: Qilong Capsules+conventional western medicine>Zhishe Tongluo Capsules+conventional western medicine>Longshengzhi Capsules+conventional western medicine>Naoxintong Capsules+conventional western medicine>Tongsaimai Tablets+conventional western medicine>Naoan Capsules+conventional western medicine>Naoluotong Capsules+conventional western medicine>Xiaoshuan Changrong Capsules+conventional western medicine>Dengzhan Shengmai Capsules+conventional western medicine=Tongxinluo Capsules+conventional western medicine>Naomaitai Capsules+conventional western medicine. In terms of the improvement in National Institute of Health stroke scale(NIHSS) score, SUCRA as followed: Longshengzhi Capsules+conventional western medicine>Naomaitai Capsules+conventional western medicine>Naoxintong Capsules+conventional western medicine>Dengzhan Shengmai Capsules+conventional western medicine>Xiaoshuan Changrong Capsules+conventional western medicine>Naoluotong Capsules+conventional western medi-cine>Tongxinluo Capsules+conventional western medicine>Naoan Capsules+conventional western medicine>Qilong Capsules+conventional western medicine. In terms of safety, the overall adverse reactions/events of Qi-benefiting and blood-activating Chinese patent medicines + conventional western medicine were less than those of the control group. Since Qilong Capsules+conventional western medicine and Zhishe Tongluo Capsules+conventional western medicine were preferred to improve the clinical total effective rate. In the aspect of improving NIHSS score, Longshengzhi Capsules+conventional western medicine and Naomaitai Capsules+conventional western medicine were first options. Due to the lack of direct comparisons between drugs, the overall quality of RCT was not high, so more studies are needed to verify the strength of the evidence.
Humans
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Capsules
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Ischemic Stroke
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Medicine
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Network Meta-Analysis
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Qi