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Conclusion It is therefore concluded that nano-selenium in combination with TAE extract showed enhanced therapeutic efficacy as compared to their individual effects.Introduction Nanoparticles are at the forefront of rapidly developing nanotechnology and have gained much attention for their application as an effective drug delivery system and as a mediated therapeutic agent for cancer. However, the cytotoxicity of nanoparticles is still relatively unknown and, therefore, additional study is required in order to elucidate the potential toxicity of these nanoparticles on cells. Materials and methods Thus, the following work aimed to investigate the capability of Beta vulgaris (beetroot) water extract (BWE; 200 mg/kg) to protect hepatic tissue following silver nanoparticles (AgNPs; 80 mg/kg; >100 nm) intoxication in male rats. Results AgNPs-intoxication elevated the liver function markers - including serum transaminases and alkaline phosphatase activities - and decreased serum levels of albumin and total proteins, in addition to disturbing the oxidation homeostasis. This is evidenced by the increased lipid peroxidation, the depleted glutathione, and the suppressed activity of superoxide dismutase and catalase. In addition, an apoptotic reaction was observed following AgNPs treatment, as indicated by the up-regulation of p53 and down-regulating Bcl-2 expressions, examined by the immunohistochemistry method. Furthermore, AgNPs exhibited a marked elevation in liver DNA damage that was indicated by an increase in tail length, tail DNA% and tail movement. However, BWE eliminated the biochemical and histological alterations, reflecting its hepatoprotection effect in response to AgNPs. Discussion Collectively, the present data suggest that BWE could be used following AgNPs as a potential therapeutic intervention to minimize AgNPs-induced liver toxicity.[This corrects the article DOI 10.2147/IJN.S196666.].Purpose In clinical practice, some chronic obstructive pulmonary disease (COPD) patients experienced a remarkable increase in forced vital capacity (FVC) after bronchodilator administration, whereas forced expiratory volume in the first second (FEV1) remains substantially unchanged. We assume this may relate to airway inflammatory type. We aim to analyze the clinical characteristics and explore the usefulness of the bronchodilator test, especially FVC, in this new COPD phenotype. Epinephrine bitartrate order Patients and methods A total of 346 COPD patients with exacerbation who underwent bronchodilator tests, fractional exhaled nitric oxide (FeNO) measurements and blood eosinophil counts were analyzed. The characteristics, FeNO levels, and blood eosinophil counts were compared between patients with and without significant bronchodilator responsiveness in terms of FVC. Results Patients with significant FVC responsiveness displayed poorer lung function and higher FeNO levels compared with those without considerable FVC responsiveness (Z= -5.042 to -0.375, p=0.000-0.022). There is a discernible linear relationship between FeNO levels and FVC responsiveness to bronchodilator use (r=0.251, P=0.001). The application of bronchodilator responsiveness of FVC for detecting high FeNO levels in COPD patients exhibited relatively high sensitivity (61.8%) and specificity (86.7%). Conclusion We demonstrated that COPD patients with significant FVC responsiveness had higher FeNO levels than non-responders and established a simple method for detecting high FeNO values. FVC responders may be identified as a separate group of COPD patients.Purpose The protease inhibitor S (PiS) and Z (PiZ) variants have been stated as the only genetic cause of chronic obstructive pulmonary disease (COPD) in Caucasians. However, its frequency in admixed populations is low. We aimed to identify genetic susceptibility between PiS (rs17580) and PiZ (rs28929474) polymorphisms with COPD related to tobacco smoking and biomass-burning smoke as well as to determine its frequencies in Mestizo and Amerindian populations from Mexico. Patients and methods One thousand and eight hundred seventy-eight subjects were included in two comparisons of cases and controls, (1) smokers with and without COPD (COPD-S, n=399; SWOC, n=1106); (2) Biomass-burning smoke-exposed subjects with and without COPD (COPD-BS, n=98; BBES, n=275). In addition, 2354 Mexican subjects identified as Mestizos (n=1952) and Amerindian (n=402) were included. The population structure was evaluated using 59 informative ancestry markers. Results The AT genotype of rs17580 is associated with COPD in both comparisons (COPD-S vs SWOC p less then 0.001, OR=2.16; COPD-BS vs BBES p less then 0.0001, OR=11.50). The population of the Mexico-North has a greater Caucasian contribution (54.7%) compared to the center (46.9%) and southeast (42.7%). Conclusion The rs17580, AT genotype, is associated with COPD in Mexican-Mestizo smokers and exposed to biomass-burning smoke. The rs17580 AT is more frequent in the Mexican-Mestizo population of the North of the country, which has a high Caucasian component.Background Chronic obstructive pulmonary disease (COPD) is the cause of substantial economic and social burden. We investigated trends in hospitalizations for acute exacerbation of COPD in Beijing, China, from 2009 to 2017. Patients and methods Investigations were conducted using data from the discharge records of inpatients that were given a primary diagnosis of acute exacerbation of COPD. The dataset was a retrospective review of information collected from electronic medical records and included 315,116 admissions (159,368 patients). Descriptive analyses and multivariate regressions were used to investigate trends in per admission and per capita expenditures, as well as other potential contributing factors. Results The mean per admission expenditures increased from 19,760 CNY ($2893, based on USD/CNY=6.8310) in 2009 to 20,118 CNY ($2980) in 2017 (a growth rate of 0.11%). However, the per capita expenditures increased from 23,716 CNY ($3472) in 2009 to 31,000 CNY ($4538) in 2017 (a growth rate of 1.7%). In terms of per admission expenditures, drug costs accounted for 52.9% of the total expenditures in 2009 and dropped to 39.4% in 2017 (P trend less then 0.001). The mean length of stay (LOS) decreased from 16.0 days to 13.5 days (P trend less then 0·001). Age, gender, COPD type, LOS, and hospital level were all associated with per admission and per capita expenditures. Interpretation Relatively stable per admission expenditures along with the decline in drug costs and LOS reflect the effectiveness of cost containment on some indicators in China's health care reform. However, the increase in hospitalization expenditures per capita calls for better policies for controlling hospitalizations, especially multiple admissions.