Ductular reaction (DR) is a phenomenon that refers to impaired hepatocellular proliferation and activated hepatic stem cells at times of demand such as hepatic regeneration.The components of ductular reactions are thought to be derived from activated hepatic progenitor cells,intermediate hepatobiliary cells,and reactive ductular cells.DRs are thought to play two roles in hepatocarcinogenesis:their hepatic progenitor cells may undergo malignant transformation and migration,and they may contribute to the development of the tumor's microenvironment.Exploring DR phenotype,cellular diversity,and relationship to hepatocarcinogenesis will further enhance our understanding of the pathogenesis of human hepatocellular carcinoma with an ultimate goal of developing new therapies.

With the development of aging population,the rational drug use in old people was paid more attention nowadays. So far, a number of studies in Europe, Asia and North America showed that lots of prescriptions with potential irrational drug use could be found out using STOPP & START criteria. In China, there is no systematic tool for guiding the rational drug use in old people yet, therefore, we can learn the content of STOPP&START criteria and use them for reference to promote the rational drug use in Chinese old people and lay the foundation for establishing rational drug use judgment criteria suitable for Chinese old people.

Objective To observe the effect of salt-partitioned moxibustion at Zhongwan (CV12) in treating belching due to chemotherapy.Method Subjects with chemotherapy-induced belching were randomized into an observation group and a control group, 30 in each group. The control group was intervened by intramuscular injection with Ritalin 20 mg, while the observation group was by salt-partitioned moxibustion at Zhongwan for 30 min in addition to the intramuscular injection.Result The total effective rate was 93.3% in the observation group versus 76.7% in the control group, and the difference was statistically significant (P＜0.05); the action latency in the observation group was (1.7±1.8)min in the observation group versus (15.6±4.2)min, and the difference was statistically significant (P＜0.01).Conclusion Salt-partitioned moxibustion at Zhongwan is significantly effective in treating chemotherapy-induced belching, and it’s easy-to-operate, efficient, and safe.

Objective To investigate therapeutic effect of the Banxia-Baizhu-Tianma decoction combined with simvastatin for phlegm and blood stasis obstructing hyperlipidemia. Methods A total of 120 patients with phlegm and blood stasis obstructing hyperlipidemia from Dalian central hospital from June 2010 to December 2013 were divided into 2 groups according to random digits table:60 patients in a control group treated with simvastatin 20 mg/d,and 60 patients in a treatment group treated with Banxia-Baizhu-Tianma decoction on the basis of the control group. After 6 weeks treatments, the clinical efficacy, serum levels of total cholesterol(TC), triglyceride(TG), high density lipoprotein cholesterol(HDL-C), low density lipoprotein cholesterol(LDL-C), high sensitive C reactive protein(hs-CRP),high mobility group protein B1(HMGB1), alanine aminotransferase(ALT), γ-glutamyl transpeptidase(γ-GT), interleukin 8(IL-8)and superoxide dismutase(SOD) were evaluated in both groups. Results The total effective rate was 91.7%(55/60) and 73.3%(44/60) in the treatment group and the control group, respectively, with significant difference (χ2=5.772, P<0.05). After treatment, the serum levels of TC, TG, HDL-C, hs-CRP, HMGB1 in both groups were significantly lower than those before the treatment (in the treatment group t value were 12.355, 5.984, 32.825, 13.806, 14.661 and in the control group t value were 7.553, 2.177, 3.064, 10.281, 9.019, P<0.05 or P<0.01), LDL-C concentration significantly increased (t in the treatment group=3.382, P<0.01;t in the control group =2.388, P<0.05). After the treatment, the serum levels of TC, TG, HDL-C, hs-CRP, and HMGB1 in the treatment group were lower than those in the control group (t value were 7.173, 3.418, 2.377, 3.967, 8.352, P<0.05 or P<0.01);there was no significant difference in LDL-C concentration between the two groups (t=1.630, P=0.106);the levels of ALT, GT, IL-8 and SOD in the treatment group showed significant difference compared with those before the the treatment (t value were 19.053, 9.592, 12.909, 10.377, P<0.01), while in the control group, exceptγ-GT, other parameters showed significant difference after the treatment compared with before the treatment (t value were 2.253, 5.876, 3.266, P<0.05). Compared with the control group, these parameters in the treatment group were significantly different after the treatment(t value were 27.872, 10.244, 6.954, 6.145, P<0.01). Conclusions Banxia-Baizhu-Tianma decoction combined with simvastatin has good lipid-lowering effect. It may significantly lower inflammatory factor levels, reduce inflammation, and enhance antioxidant capacity.

Objective To evaluate the effects of dexmedetomidine on dreaming during general anesthesia in pediatric patients.Methods A total of 400 pediatric patients of both sexes,aged 5-12 yr,with body mass index of 15.2-18.1 kg/m2,of American Society of Anesthesiologists physical status Ⅰ,undergoing elective orthopedic surgery under general anesthesia,were randomly divided into control group (group C,n=200) and dexmedetomidine group (group D,n =200) according to the computer-generated random numeral order and numeral parity.Dexmedetomidine was infused intravenously in a loading dose of 0.5 μg/kg over 10 min before induction of anesthesia followed by infusion of 0.5 μg · kg-1 · h-1 until 30 min before the end of surgery in group D,while the equal volume of normal saline was given instead of dexmedetomidine in group C.The pediatric patients who regained consciousness and recovered orientation in post-anesthesia care unit were interviewed for dreaming using a modified Brice questionnaire,and the dream (emotion,hearing and behaviours in dreams,memories for dreams) was evaluated using a 5-point Likert scale.Results Compared with group C,the incidence of dreaming was significantly decreased,the memory score was decreased (P＜0.05),and no significant change was found in emotion,hearing and behaviour scores in dreams in group D (P＞0.05).Conclusion Dexmedetomidine can decrease the development of dreaming during general anesthesia and produces no effect on the content of dreams (most are pleasant) in pediatric patients.

AIM: To investigate the effect of interleukin-2 (IL-2) on the intracellular calcium in electrically stimulated adult rat ventricular myocytes during anoxia and reoxygenation. METHODS: The isolated cardiac ventricular myocytes were exposed to 5 min anoxia followed by 10 min reoxygenation. Chemical anoxia was introduced by Krebs-Henseleit (K-H) solution containing 10 -3 mol/L sodium dithionite. The spectrofluorometric method was used to verify intracellular calcium transient with fura-2/AM as calcium fluorescence probe. RESULTS: It was shown that during anoxia, the amplitude of Ca 2+ transient was decreased, diastolic [Ca 2+ ] i, time to peak and time to relaxation of Ca 2+ transient were increased. All the parameters were got back but did not returned to the pre-anoxia level during reoxygenation. IL-2 at 2?10 5 U/L administrated during anoxia aggravated the effect of rexoxygenation on [Ca 2+ ] i transient. Pretreatment with a specific ? opioid antagonist, nor-BNI (10 -8 mol/L), abolished the effect induced by IL-2 during anoxia on the [Ca 2+ ] i transients, whereas specific ? opioid antagonist, naltrindole (10 -6 mol/L), did not cancel the effect. CONCLUSION: It is concluded that administration of IL-2 during anoxia aggravated the effect of reoxygenation on the [Ca 2+ ] i transients of isolated ventricular myocytes, which was mediated by cardiac ? opioid receptor pathway.

OBJECTIVE To study the resistant phenotype and molecular biology character of 106 clinical isolates of Enterobacteriaceae.METHODS The 106 clinical isolates of Enterobacteriaceae were studied by agar dilution method,mutiplex PCR and DNA sequencing methods were used in further study.RESULTS The AmpC ?-lactamase was detected in 35 isolates of Enterobacteriaceae(accounted for 33.02%),34 of 35 AmpC-producing isolates were resistant to cefoxitin,1 of 35 AmpC-producing isolates was intermediate-susceptible to cefoxitin,the susceptibility to cefepime and imipenem was 68.50% and 97.10%,respectively.CONCLUSIONS A new plasmid mediated AmpC ?-lactamase is detected in one isolate of Enterobacteriaceae.The antibiotic resistance is closely associated with antibiotic resistance genes.

Objective To assess the clinical efficacy ofMaxing-Shigan decoction in patients with severe pneumonia due to phlegm-heat obstructing the lung.Methods Sixty patients with severe pneumonia in the TCM Department of Dalian Municipal Central Hospital from January to December 2013 were randomly divided into a control group and a treatment group by random number table method, 30 in each group. The control group was treated with anti-infection, fluid infusion and mechanical ventilation. On the basis of treatment in the control group, the treatment group was also givenMaxing-Shigan decoction through nasogastric gavage. The mean arterial pressure (MAP), lactic acid (Lac) and PaO2/FiO2 were compared before and after the treatment in both groups. The scores of the Clinical Pulmonary Infection Score (CPIS) and the Acute Physiology and Chronic Health Evaluation II (APACHEⅡ) were compared between the two groups.Results The total effective rate in the treatment group was significantly higher than that in the control group (80.0%vs.73.3%;χ2=4.800,P=0.029). In both groups, MAP (treatment group: 102.4 ± 11.9 mmHgvs. 70.4 ± 6.4 mmHg, t=12.972,P=0.000; control group: 101.2 ± 12.5 mmHgvs. 69.8 ± 6.6 mmHg,t=12.1672,P=0.000), PaO2/FiO2 (treatment group: 265.4 ± 19.7 mmHgvs. 78.6 ± 10.5 mmHg,t=45.833,P=0.000; control group: 124.8 ± 13.4 mmHg vs. 79.1 ± 11.1 mmHg;t=14.385,P=0.000) after the treatment were significantly higher than before the treatment, and the Lac level were significantly lower (treatment group: 1.04 ± 0.42 mmol/Lvs. 6.37 ± 2.27 mmol/L,t=12.65, P=0.000; control group: 3.88 ± 1.45 mmol/Lvs. 6.39 ± 2.32 mmol/L,t=5.025,P=0.000). The improvements in Lac (t=10.304,P=0.000) and PaO2/FiO2 (t=32.323,P=0.000) in the treatment group were superior to the control group. The scores of the CPIS (treatment group: 2.2 ± 1.5vs. 6.7 ± 1.7,t=10.872,P=0.000; control group: 4.5 ± 2.7 vs. 6.8 ± 1.8,t=3.882,P=0.000) and APACHEⅡ(treatment group: 5.3 ± 2.1vs. 13.8 ± 3.8,t=10.723,P=0.000; control group: 9.3±3.5vs. 13.7 ± 3.5,t=4.869,P=0.000) after the treatment were significantly lower than before the treatment in both groups, and the changes of CPIS (t=4.079,P=0.000) and APACHEⅡ(t=5.368,P=0.000) in the treatment group were greater than those in the control group.ConclusionsMaxing-Shigan decoction has definite therapeutic effects for severe pneumonia due to phlegm-heat obstructing the lung..

Objective To observe the effect of Yijinjing Supporting Pile on the superficial microcirculation blood perfusion units (MBPU) on Du meridian in subjects with yang-deficiency constitution.Methods After the classification and determination of constitution according to the traditional Chinese medicine,19 volunteers (8 males and 11 females) with Yang-deficiency constitution were selected and provided with standard Yijinjing Supporting Pile training for 3 months.The laser Doppler flowmeter system was used to detect the superficial MBPU on the acupoints of Du meridian including Dazhui,Zhiyang and Mingmen,Results Before the training,the average MBPU value of Zhiyang was higher than Mingmen,but lower than Dazhui (P＜0.05,P＜0.01).After the training,the average MBPU value of all the acupoints increased significantly (P＜0.01).Conclusion Yijinjing Supporting Pilecan improve the superficial MBPU of Du meridian in subjects with Yang-deficiency constitution,and regulate the energy metabolism of the Du meridian.

Objective: To systematically evaluate the correlation between selenium in the body and the risk of chronic kidney disease (CKD), so as to provide insights into CKD prevention and control. Methods: Publications pertaining to the correlation between selenium level and CKD were retrieved from electronic databases, including CNKI, WanFang Data, PubMed and Web of Science from inception until July 28, 2022. Meta-analysis was performed using the software Stata 16.0, and all measures were expressed with standardized mean difference (SMD) and its 95%CI. The source of heterogeneity was analyzed using subgroup analysis and meta-regression, and sensitivity analysis was performed using the leave-one-out method. In addition, the publication bias was evaluated with d funnel plot, Egger's test and Begg's test, and the robustness of the result was evaluated using the trim and filling method. Results: A total of 2 990 publications were screened, and 63 eligible publications were included in the final analysis, including 18 cross-sectional studies, 40 case-control studies, 2 cohort studies and 3 randomized controlled trials (RCTs), which covered 5 099 CKD patients and 6 334 controls. Meta-analysis showed lower selenium levels in CKD patients than in controls (SMD=-1.828, 95%CI: -2.132 to -1.523, P<0.001). Subgroup analysis showed lower selenium levels among CKD patients than among controls from Asia, Europe and multiple continents (P<0.05), and lower selenium levels were detected in patients undergoing conservative treatment, hemodialysis and peritoneal dialysis than in controls (P<0.05), while the selenium levels were significantly lower in CKD patients than in controls in cross-sectional studies, case-control studies and RCTs (P<0.05). The selenium level was significantly lower among CKD patients than among controls regardless of the study year, sample size and score for quality of publications (P<0.05). Sensitivity analysis showed robustness of this meta-analysis. Publication bias was identified by funnel plot, Begg's test and Egger's test, and the robustness of the result was found using the trim-and-fill method. Conclusion There may be a possible correlation between selenium and the risk of CKD.