Adult ; Aged ; Carbon Monoxide Poisoning ; blood ; pathology ; Creatine Kinase ; blood ; Female ; Humans ; Male ; Middle Aged ; Myocardium ; pathology ; Natriuretic Peptide, Brain ; blood ; Peptide Fragments ; blood ; Troponin I ; blood ; Young Adult

To observe the effect of autologous stem cell transplantation in diabetic retinopathy.
●METHODS:Totally 58 cases (116 eyes) who underwent autologous stem cell transplantation were confirmed as no diabetic retinopathy (18 eyes), mild non-proliferative diabetic retinopathy (NPDR) (41 eyes), mid-level NPDR (51 eyes); severe NPDR (6 eyes) by ophthalmoscope directly or indirectly and fluorescence fundus angiography (FFA ). Follow - up was 6 - 12mo, the changes of retinopathy were observed.
●RESULTS: The total effective rate of vision and retinopathy was 84. 4%, 76. 7%. The results of severe NPDR was statistically worse than the other groups ( P <0. 05).
●CONCLUSlON: The stable blood glucose level and improved pancreatic function after autologous stem cell transplantation might be helpful in diabetic retinopathy, the long effects need to be researched further.

Objective:To investigate the role and mechanism of high mobility group box 1(HMGB1) in the injury of Caco-2 intestinal epithelial barrier induced by lipopolysaccharide (LPS).Methods:The Caco-2 cellular monolayer barrier was established with Transwell chamber. After the Caco-2 monolayer model was established, the transepithelial electrical resistance (TEER) values were measured. When the TEER value reached 500 Ω·cm 2, the cells were divided into 3 groups: control group, LPS treatment group, and LPS+ ethyl pyruvate (EP) treatment group. The concentration of LPS and EP were 100 μg/mL, 50 μg/mL, separately. Then TEER values were measured at 12, 24, 48 and 72 h, and FITC-dextran permeability was detected at 24 h. The cells were seeded on 6-well plates. After cell density reached 80%, treatments were given as the above. The real-time polymerase chain reaction (RT-PCR) and Western blot were used to measure the changes in the protein and mRNA expressions of Occludin, HMGB1, and nuclear factor-κB (NF-κB). Results:Compared with the control group, the TEER values (Ω·cm 2) reduced at 12, 24, 48 and 72 h in the LPS treatment group [(514.22±12.59) vs (304.96±9.69), (521.65±13.35) vs (276.21±7.82), (523.99±8.18) vs (206.64±15.85), (491.21±6.72) vs (156.33±10.83), all P<0.05]. The FITC-dextran permeability increased significantly at 24 h [(2.58±0.07) vs (1.04±0.06), P<0.05]. The expression levels of Occludin protein and mRNA were decreased (all P<0.05), while the expression levels of HMGB1 and NF-κB protein and mRNA were significantly increased (all P<0.05). Compared with the LPS treatment group, the TEER values (Ω·cm 2) increased significantly at 12, 24, 48 and 72 h in the EP treatment group [(519.00±5.66) vs (304.96±9.69), (504.69±8.57) vs (276.21±7.82), (453.65±10.74) vs (206.64±15.85), (385.28±7.57) vs (156.33±10.83), all P<0.05]. The FITC-dextran permeability decreased at 24 h [(1.23±0.11) vs (2.58±0.07), P<0.05]. The expression level of Occludin protein and mRNA were increased ( P<0.05), while the expression levels of HMGB1 and NF-κB protein and mRNA were significantly decreased (all P<0.05). Conclusions:LPS can injure intestinal barrier directly in vitro and reduces the expression of tight junction proteins between cells. The mechanism may be related to the increased expression of HMGB1 and NF-κB protein.

Objective To investigate the underlying mechanism of bone marrow mesenchymal stem cells (BMSC) modulating the inflammatory response during the multiple organ dysfunction syndrome (MODS), especially the expression of inflammatory cytokines, which will provide new theoretical and experimental basis of MODS in clinic. Methods BMSC of Sprague-Dawley (SD) rat (female, 4 weeks) was extracted and cultivated, and the 4th passage were used in experimental study. According to the random number table, 60 female SD rats were divided into three groups (n = 20 per group): sham group, MODS group, BMSC group. MODS model in rats was induced by lipopolysaccaride (LPS, 1 mg/kg) via femoral vein injection. Sham group was injected with the sterile phosphate buffer saline (PBS) in the same volume. BMSC group, in which BMSC infusion was started at 2 hours after 0.5 mL LPS stimulation (1×106/cells) through the tail vein. The survival rate was observed after 72 hours in each group. Abdominal aortic blood was collected for routine blood and biochemical examination at 72 hours after operation. Protein microarray was used to detect the related 34 inflammatory cytokines. Signal ratio was defined as the differentially expressed factors when it was more than 2.0 or less than 0.5. And enzyme linked immunosorbent assay (ELISA) was be applied to validate the significant inflammation factor. Meanwhile, the heart, kidney, intestine tissue was harvested, then their pathological changes were observed by hematoxylin eosin (HE) staining.Results 20, 12, 16 rats lived in sham group, MODS group and BMSC group respectively at 72 hours after operation. Compared with the sham group, the indicators (routine blood, liver and kidney function, myocardial enzyme) were apparently unusual, and the heart, kidney, intestine tissue were injured obviously in the MODS group. After BMSC administration, the organ function was improved and tissue damaged was alleviated significantly. Protein microarray showed that interleukin-4 (IL-4) and receptor for advanced glycation end products (RAGE) were significantly different in 34 goal cytokines. The signal ratio change of IL-4 was 0.397, 1.124, 2.826 respectively, and the signal ratio of RAGE was 6.197, 1.552, 0.250, respectively in MODS/sham group, BMSC/sham group, BMSC/MODS group. ELISA validated the result that the expression level of IL-4 decreased significantly (ng/L:3.59±1.21 vs. 29.10±5.78) and the expression level of RAGE increased significantly (ng/L: 1.09±0.04 vs. 0.11±0.03) in MODS group as compared with sham group (bothP < 0.05). Compared with the MODS group, the level of IL-4 was obviously higher than that in BMSC group (ng/L: 9.59±2.21 vs. 3.59±1.21,P < 0.01), and RAGE decreased significantly (ng/L: 0.29±0.07 vs. 1.09±0.04,P < 0.05).Conclusions BMSC administration can regulate the expression of IL-4 and RAGE in the rats subjected to MODS. Moreover, BMSC can promote the restoration of tissue and organ function, thus improve the survival rate. BMSC may be the target in cell therapy for the inflammatory disease.

Objective To explore the effects of thiamine and riboflavin on H2O2-induced DNA oxidative damage in human umbilical vein endothelial cell line ECV304.Methods ECV304 cells were incubated with 10,100,500,1000 mg/L of thiamine or 20,100,300,500 nmol/L of riboflavin for 24 h,and then oxidative damage of cells were induced by 25 mol/L H2O2 for 30 min.DNA damage was detected with single cell gel electrophoresis(SCGE)assay.ECV304 cells incubated without H2O2,thiamine and riboflavin were served as negative controls,and those incubated with H2O2 and without thiamine and riboflavin were served as positive controls.Results H2O2 induced DNA damage,and the indices of percent of DNA damage cells,percent of tail DNA,tail length and Olive tail moment were increased.The indices of cells pretreated with 10,100,500 mg/L of thiamine or 20,100,300 nmol/L riboflavin were significantly decreased(P0.05).Conclusion Proper supplementation of thiamine and riboflavin may decrease H2O2-induced DNA oxidative damage,while excess thiamine and riboflavin supplementation may be harmful to DNA and enhance the susceptibility to H2O2 potentially.

Aim Powdered injections of luotai consist of total saponins of panax notoginseng(PNS) which protect against ischemia injury from myocardial reperfusion injury.Methods ISO-induced acute myocardial ischemia model in rat was made, which decreased S-T sigments in ECG.Luotai after intravenous injection or oral can protect against S-T sigment significant reduction and ∑ST after ISO induced acute myocardial ischemia .Results Luotai 50 mg?kg-1 and 100 mg?kg-1 significantly inhibited S-T sigment decreases. Conclusion Luotai protect ISO induced acute myocardial ischemia and has dose-dependent effect.This ISO-induced acute myocardial ischemia model in rat has some significant advantages,for example,higher stability, good duplication, quickly filtrates, easily masters.

OBJECTIVESTo study the effectiveness of an artificial liver support system.

METHODSThirty-two patients with medicamentous liver insufficiency were treated with an artificial liver support system in addition to the routine medicinal therapy. Thirty patients treated with routine medicinal therapy only served as controls.

RESULTSThe clinical symptoms (e.g. hepatic encephalopathy) and the laboratory indices (serum total bilirubin and prothrombin time) of the treatment group patients were obviously improved compared with those of the control group patients (P < 0.05). The cure rate and hospitalization days were 90.6% (26/32) and 47 days respectively in the treatment group, and 43.3% (13/30) and 72 days in the control group (P < 0.05).

CONCLUSIONUsing an artificial liver support system combined with routine medicinal therapy is more effective than using medication alone.

Adult ; Aged ; Antineoplastic Agents ; adverse effects ; Antitubercular Agents ; adverse effects ; Female ; Hepatic Insufficiency ; chemically induced ; therapy ; Humans ; Liver, Artificial ; Male ; Middle Aged

Objective: To observe the clinical efficacy of 'Tong Du Yun Pi' (Governor Vessel-unblocking and spleen-promoting) manipulation in treating infantile diarrhea in autumn. Methods: Eighty-four kids were divided into a control group and an observation group using the random number table method, with 42 cases in each group. The control group was intervened by oral administration of montmorillonite powder, and the observation group was given additional 'Tong Du Yun Pi' pediatric massage (tuina) treatment. After treatment, the traditional Chinese medicine (TCM) symptoms scores, symptom improvement time, clinical efficacy and immune function indicators were compared between the two groups. Results: After treatment, the total effective rate was 95.2％ in the observation group versus 76.2％ in the control group, and the between-group difference was statistically significant (P<0.05); each item score in TCM symptoms was notably lower in the observation group than in the control group (all P<0.05); among the effective cases, the times to restore normal defecation, relieve abdominal bloating, arrest vomiting, and bring down the fever were markedly shorter in the observation group than in the control group, and the between-group differences were statistically significant (all P<0.05); the levels of immunoglobulin (Ig) G, IgM, CD4+ and CD4+/CD8+ were significantly higher and CD8+ was significantly lower in the observation group than in the control group (all P<0.05). Conclusion: In the treatment of infantile diarrhea in autumn, based on oral administration of montmorillonite powder, 'Tong Du Yun Pi' manipulation can notably improve diarrheal symptoms, shorten disease duration, and strengthen the immunity of kids, producing more significant efficacy than oral administration of montmorillonite powder.

To investigate the suitable site environment for Atractylodes lancea, field trials in different niches was carried out, and the seedling growth, biomass and volatile oil components in different microhabitas was studied. The study found that the survival rate, plant height, volatile oil content of those which growing under the bamboo were significantly higher than those exposed in the open field. The survival rate understory was (76 ± 15.1) %, plant height understory was (77 ± 14. 8) cm and the summation of the four kinds of volatile oil content understory reached up to 4.09%; The same evaluation values of these indicators of the four faces in the open field respectively: survival rate is 30%, plant height was (77 ± 14.8) cm and the summation of the four kinds of volatile oil content was 2.24%. But, the yield of the understory (41 ± 22.3) g was significantly lower than those four faces in the open field (104.5 g) on the contrary. For the four open field towards, the yield of the east facing, which organic matter and other nutritional conditions were better than others, was significantly higher than those in the other facings. A. lancea was found to be an anti-poor and shading-like or growing in east facing slope herb through the correlation analysis of light, temperature, soil and leaf nutrients with seedling growth, biomass and volatile oil components. It also reminds us that the understory herb with high survival rate, low incidence, low management costs, and high medicinal ingredients, although it's production is not so high, but it can be improved by increased organic fertilizer. So the ecological planting patterns which can intercropping herbs with the forest was proposed.
Atractylodes ; chemistry ; growth & development ; metabolism ; Drugs, Chinese Herbal ; chemistry ; metabolism ; Molecular Structure ; Oils, Volatile ; chemistry ; metabolism ; Seedlings ; chemistry ; growth & development ; metabolism ; Soil ; chemistry ; Temperature

Objective To compare the antimierobial resistance of the gram-negative isolates from blood stream between Beijing and Hong Kong patients.Methods Non duplicate blood stream isolates were collected between 1998 and 2003 from Peking U- nion Medical College Hospital(n=530)and Hong Kong Prince of Wales Hospital(n=2913).Disk diffusion method and broth microdilution(MB)method were used to determine the antimierobial susceptibility of these strains to 13 antimicrobial a- gents including imipenem,ceftazidime,cefepime,etc.Results The resistance rates of E.coli to amikaein,ceftazidime and cefepime were 0.6%-5.0% and 7.5%-23.5%,and to gentamicin,cefuroxime,ciprofloxacin and cefuroxime were 12.6%- 28.4% and 29.4%-68.4% in Hong Kong isolates(n=1471)and Beijing isolates(n=213),respectively.The resistance rates of Klebsiella spp.to piperacillin-tazobactam and ceftazidime were 3.3%-11.3% and 4.3%-17.7%,and to amikacin, gentamicin,cefotaxime and ceftriaxone were 1.5%-10.1% and 5.8%-27.1% in Hong Kong isolates(n=586)and Beijing i- solates(n=70),respectively.The strains above and the ECS group of bacteria in Hong Kong(consisting of Enterobacter spp.,Citrobacter spp.,and Serratia spp.,n=333)were all susceptible to imipenem and meropenem,but 4.6%(n=65)of the ECS group bacteria in Beijing were resistant.About 8.8% and 14% of ECS group isolates were resistant to cefepime.Such isolates resistant to the other?-lactams ranged from 28.4% to 96%.In Hong Kong,Salmonella typhi remained susceptible to most of the antimierobial agents tested,but in Beijing,the resistance rates to ampicillin and piperacillin were from 9.1% to 18.2%.In Hong Kong,The resistance rates of Acinetobacter spp.and P.aeruginosa to imipenem and meropenem were lower than 10%,but in Beijing their resistance rates to imipenem were 13.6%-15.3% and 8.8%-30.8%,respectively.Conclusions The resistance rates of gram-negative bacteria isolated from blood stream in Beijing to most antimicrobial agents were higher than the corresponding rates in Hong Kong.This result will be useful for empirical therapy of local bacteremia.