Objective:To'synthesize BODIPY-FL-labeled phenylephrine(BODIPY-FL-PE)and deter-mine its biological activity.Methods:Condensation of BODIPY-FL(green fluorescence dye)and phe-nylephrine(?_1-adrenoceptor agonist)was performed by adding dicyclohexylcarbodiimide(DCC)in thepresence of absolute tetrahydrofuran(THF).The reaction occurred in absolutely oxygen and water condi-tion at room temperature.The crude product was separated and purified by thin-layer chromatography(TLC).The structure of BODIPY-FL-PE was characterized by TLC and mass spectrometry(MS).Itspharmabiological activity was determined by Western blot.Results:BODIPY-FL-PE,the target mole-cule,was synthesized and its structure was identified by using ultra-violet spectrometry(UV)and MS.The result of Western blot indicated that ?_1-adrenoceptor(?_1-AR)induced ERK phosphorylation wasconfirmed in both BODIPY-FL-PE and PE treated groups.Conclusion:The synthesized BODIPY-FL-PEhas pharmacological activity that could activate ?_1-AR.Visualization of AR behaviors could be achievedby tracing the trajectories of BODIPY-FL-PE labeled AR.It might be a promising tool for investigatingdynamic behaviors of AR in living cells.

OBJECTIVETo analysis the changes of two chemical constituents, namely 2, 3-dihydro-3, 5- dihydroxy-6-methyl-4H-pyran-4-one (DDMP) and 5-hydryoxymethyl-furfural (5-HMF) produced in Radix Polygoni Multiflori after processing, with processing time, and to determine the contents of 5-HMF in samples of Radix Polygoni Multiflori and Radix Polygoni Multiflori preparata.

METHODAn HPLC method was applied with a Zobax SB-C18 (3.9 mm x 150 mm, 5 microm) column by a elution using methanol-water (10: 90) as the mobile phase. The detection was set at UV 280 nm.

RESULTThe contents of DDMP were increasing with the processing time until 24 hour, followed by a decrease until 60 hour process. The contents of 5-HMF were increasing gradually throughout the 60 hour steaming process. The contents of 5-HMF in 11 samples of Radix Polygoni Multiflori preparata were from 0.013% to 0.101%, and only one in 4 samples of Radix Polygoni Multiflori containing trace amount of 5-HMF.

CONCLUSIONThe chemical components in Radix Polygoni Multiflori were changed during the processing procedures. Therefore, the processing of Radix Polygoni Multiflori should be controlled and standardized.

Chromatography, High Pressure Liquid ; methods ; Drugs, Chinese Herbal ; chemistry ; Polygonaceae ; chemistry ; Reproducibility of Results

This paper was aimed to study conserved motifs of voltage sensing proteins (VSPs) and establish a voltage sensing model. All VSPs were collected from the Uniprot database using a comprehensive keyword search followed by manual curation, and the results indicated that there are only two types of known VSPs, voltage gated ion channels and voltage dependent phosphatases. All the VSPs have a common domain of four helical transmembrane segments (TMS, S1-S4), which constitute the voltage sensing module of the VSPs. The S1 segment was shown to be responsible for membrane targeting and insertion of these proteins, while S2-S4 segments, which can sense membrane potential, for protein properties. Conserved motifs/residues and their functional significance of each TMS were identified using profile-to-profile sequence alignments. Conserved motifs in these four segments are strikingly similar for all VSPs, especially, the conserved motif [RK]-X(2)-R-X(2)-R-X(2)-[RK] was presented in all the S4 segments, with positively charged arginine (R) alternating with two hydrophobic or uncharged residues. Movement of these arginines across the membrane electric field is the core mechanism by which the VSPs detect changes in membrane potential. The negatively charged aspartate (D) in the S3 segment is universally conserved in all the VSPs, suggesting that the aspartate residue may be involved in voltage sensing properties of VSPs as well as the electrostatic interactions with the positively charged residues in the S4 segment, which may enhance the thermodynamic stability of the S4 segments in plasma membrane.
Arginine ; chemistry ; Aspartic Acid ; chemistry ; Cell Membrane ; physiology ; Conserved Sequence ; Ion Channel Gating ; Ion Channels ; chemistry ; Membrane Potentials ; Protein Structure, Tertiary

With the development of integration process, how to manage citizens' cross-border healthcare be-tween member countries in an organized way has become a major agenda for European Union (EU). Through great efforts over years,a well-functioning mechanism has been established by EU's social health insurance and has been of global interest. It's believed that China's trans-provincial healthcare management can learn a lot from this mechanism. This study aims to provide experiences and reference to China's trans-provincial healthcare management by overview EU's mechanism for cross-border healthcare and then analyzing the differences between China and European Union in terms of object of management,authorization,service institutions,types of healthcare services,and reimbursement of medical insurance in different places. This study suggests that it's necessary for each province to officially introduce relevant policies in order to speed up and facilitate the establishment of trans-provincial healthcare management mech-anism. Moreover,to achieve orderly seeking medical treatment, health insurance agencies should be endowed with approval power to authorize patient trans-provincial application. Meanwhile, the network of health institutions which are entitled to provide services to trans-provincial patients should be expanded. Along with such expansion,and given the lack of understanding on behaviors of health institutions in different provinces for a specific local health insurance agency,it's required that national trans-provincial healthcare management system should take an active role in putting such health institutions under supervision.

Aim To investigate the effects of dihydromyricetin on the apoptosis in AGZY-83-a tumor cells and its relevant mechanisms.Methods The survival rate of AGZY-83-a cells was assayed by MTT dye reduction.The cellular apoptosis was analyzed by TUNEL method and caspase-3 activity.The intracellular free calcium i was detected to explore the apoptotic mechanism of dihydromyricetin.Results In the MTT assay,dihydromyricetin 50?mol?L-1 significantly inhibited survival ratios of AGZY-83-a cells at dose-and time-dependent manner.It was demonstrated in TUNEL assay that dihydromyricetin could induce the apoptosis of AGZY-83-a cells in a concentration-dependent manner.The examination of Caspase-3 activity indicated that the dihydromyricetin could induce the apoptosis of AGZY-83-a cells,which was dose-dependent activation of Caspase-3 in AGZY-83-a cells.The detection of the intracellular i showed that the average FI of the i could be markedly increased to 20-fold as the basic condition.Conclusions Dihydromyricetin can induce the apoptosis in AGZY-83-a cells,which is associated with the overload of the intracellular i.

OBJECTIVETo evaluate the efficacy and safety of recombinant human granulocyte-macrophage colony stimulating factor (rhGM-CSF) hydrogel in wound healing in patients with deep partial thickness burn.

METHODSThe study was a multicenter, randomized, double-blind, placebo-controlled parallel clinical trial. Three hundred and twenty-one patients (302 cases finally fulfilled the protocol) with deep partial thickness burn were divided into A group (n = 200, with treatment of rhGM-CSF hydrogel, 100 microg/10 g/100 cm2/d), C group (n = 102,with treatment of placebo). Side-effect, systemic condition, wound healing time, wound healing rate, and total effective rate at different time points were observed.

RESULTSThere were no obvious differences in vital signs, wound secretion, wound edge reaction, blood and urine routine, liver and kidney function between two groups (P > 0.05). No side-effect was observed. The median wound healing time was 17 days in A group, which was obviously shorter than that in C group (20 days, P < 0.01). The mean wound healing rate in A group was 24.5%, 70.5%, 95.3%, 99.6% respectively on 8th, 14th, 20th, 28th day after treatment, which were obviously higher than that in C group (15.1%, 51.4%, 84.6%, 97.1%, respectively, P < 0.01). The total effective rates in A group on 8th, 14th, 20th day after treatment were also higher than that in C group (P < 0.01).

CONCLUSIONrhGM-CSF hydrogel can significantly accelerate wound healing in patients with deep partial thickness burn with certain safety.

Burns ; drug therapy ; Double-Blind Method ; Female ; Granulocyte-Macrophage Colony-Stimulating Factor ; adverse effects ; therapeutic use ; Humans ; Hydrogels ; therapeutic use ; Male ; Placebos ; Recombinant Proteins ; Wound Healing

OBJECTIVETo evaluate the therapeutic effect of silver nitrate ointment on partial-thickness burn wounds, and observe its side-effects.

METHODSMulti-center, randomized, positive drug paralleled self-controlled trial was carried out. Eighty patients with superficial partial-thickness burns, and 40 with deep-partial thickness burns were randomized into AgNO3 group and SD-Ag group according to drug topically applied to the wounds. The wound healing time, wound healing rate and bacterial culture of the wound, the effect and safety of the drug, as well as drug irritation to the wounds were studied in these two groups.

RESULTSFor the patients with superficial partial-thickness burn wounds, the wound healing time in silver nitrate group was (9.5 +/- 2.7) days, which was obviously shorter than that in SD-Ag group [(10.8 +/- 3.4) days, P <0.01]. The wound healing rate in silver nitrate group on 7 post-burn day ( PBD) was (77.9 +/- 20.5)%, which was obviously higher than that in SD-Ag group [(67.3 +/- 22.6) %, P < 0.01]. For those with deep-partial thickness burn wounds, the wound healing time in silver nitrate group was (21.5 +/- 4.8) days, which was evidently shorter than that in SD-Ag group [(23.3 +/- 6.4) days, P <0.01]. The wound healing rate in silver nitrate group on 20 PBD was (86.6 +/- 15.9)%, which was evidently higher than that in SD-Ag group [(78.5 +/- 17.7)%, P < 0.01]. Silver nitrate ointment has the same antibacterial effect as 1% SD-Ag cream, but it was less painful when applied to the open wounds.

CONCLUSIONSilver nitrate ointment is an effective and safe medicament for the clinical management of partial-thickness burn wounds.

Adolescent ; Adult ; Anti-Infective Agents, Local ; therapeutic use ; Burns ; drug therapy ; pathology ; Female ; Humans ; Male ; Middle Aged ; Ointments ; Silver Nitrate ; therapeutic use ; Silver Sulfadiazine ; therapeutic use ; Wound Healing

OBJECTIVETo investigate the effects of short-term forest bathing on human health.

METHODSTwenty healthy male university students participated as subjects and were randomly divided into two groups of 10. One group was sent on a two-night trip to a broad-leaved evergreen forest, and the other was sent to a city area. Serum cytokine levels reflecting inflammatory and stress response, indicators reflecting oxidative stress, the distribution of leukocyte subsets, and plasma endothelin-1 (ET-1) concentrations were measured before and after the experiment to evaluate the positive health effects of forest environments. A profile of mood states (POMS) evaluation was used to assess changes in mood states.

RESULTSNo significant differences in the baseline values of the indicators were observed between the two groups before the experiment. Subjects exposed to the forest environment showed reduced oxidative stress and pro-inflammatory level, as evidenced by decreased malondialdehyde, interleukin-6, and tumor necrosis factor a levels compared with the urban group. Serum cortisol levels were also lower than in the urban group. Notably, the concentration of plasma ET-1 was much lower in subjects exposed to the forest environment. The POMS evaluation showed that after exposure to the forest environment, subjects had lower scores in the negative subscales, and the score for vigor was increased.

CONCLUSIONForest bathing is beneficial to human health, perhaps through preventive effects related to several pathological factors.

Baths ; China ; Cytokines ; metabolism ; Humans ; Hydrocortisone ; blood ; Life Style ; Lymphocyte Subsets ; Male ; Nature ; Recreation ; Stress, Physiological ; Testosterone ; blood ; Trees ; Young Adult

Objective To construct the head nurses performance evaluation system in order to measure their performance fairly and equitably and to enhance their responsibility,crisis and sense of competition.Methods Many methods were used such as the balanced scorecard four elements were used to construct the basic framework of the performance evaluation system and Delphi method was used to determine the various index,analytic hierarchy process was used to identify the index of value at all levels.Results Two wheels consultation were used and the enthusiasm of experts was high with the coefficient was 88％ and authoritative coefficient was 0.76.Four primary indexes of performance evaluation system were consisted,such as finance,client,interior process,learn and study. It included sixteen secondary indexes,such as nursing service projects,nursing equipments,patients and families,nurses,doctors,and so on.Conclusions Performance evaluation system construction of head nurses based on the Delphi method can measure their performance fairly and equitably and it is worth to applyingin nursing.

OBJECTIVE: To establish a compact and efficient hypergraph representation and a graph-similarity-based retrieval method of molecules to achieve effective and efficient medicine information retrieval. METHODS: Chemical structural formula (CSF) was a primary search target as a unique and precise identifier for each compound at the molecular level in the research field of medicine information retrieval. To retrieve medicine information effectively and efficiently, a complete workflow of the graph-based CSF retrieval system was introduced. This system accepted the photos taken from smartphones and the sketches drawn on tablet personal computers as CSF inputs, and formalized the CSFs with the corresponding graphs. Then this paper proposed a compact and efficient hypergraph representation for molecules on the basis of analyzing factors that directly affected the efficiency of graph matching. According to the characteristics of CSFs, a hierarchical collapsing method combining graph isomorphism and frequent subgraph mining was adopted. There was yet a fundamental challenge, subgraph overlapping during the collapsing procedure, which hindered the method from establishing the correct compact hypergraph of an original CSF graph. Therefore, a graph-isomorphism-based algorithm was proposed to select dominant acyclic subgraphs on the basis of overlapping analysis. Finally, the spatial similarity among graphical CSFs was evaluated by multi-dimensional measures of similarity. RESULTS: To evaluate the performance of the proposed method, the proposed system was firstly compared with Wikipedia Chemical Structure Explorer (WCSE), the state-of-the-art system that allowed CSF similarity searching within Wikipedia molecules dataset, on retrieval accuracy. The system achieved higher values on mean average precision, discounted cumulative gain, rank-biased precision, and expected reciprocal rank than WCSE from the top-2 to the top-10 retrieved results. Specifically, the system achieved 10%, 1.41, 6.42%, and 1.32% higher than WCSE on these metrics for top-10 retrieval results, respectively. Moreover, several retrieval cases were presented to intuitively compare with WCSE. The results of the above comparative study demonstrated that the proposed method outperformed the existing method with regard to accuracy and effectiveness. CONCLUSION This paper proposes a graph-similarity-based retrieval approach for medicine information. To obtain satisfactory retrieval results, an isomorphism-based algorithm is proposed for dominant subgraph selection based on the subgraph overlapping analysis, as well as an effective and efficient hypergraph representation of molecules. Experiment results demonstrate the effectiveness of the proposed approach.
Algorithms ; Databases, Chemical ; Information Storage and Retrieval ; Molecular Structure