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In this work, the mesoscale mechanics of metals, which links their microscopic physics and macroscopic mechanics, was established. For practical applications, the laws for quantitatively predicting life of cycle and time-dependent fracture behavior such as fatigue, hydrogen embrittlement, and high-temperature creep were derived using particle transport phenomena theories such as dislocation group dynamics, hydrogen diffusion, and vacancy diffusion. Furthermore, these concepts were also applied for estimating the degree of viscoelastic deterioration of blood vessel walls, which is dominated by a time-dependent mechanism, and for the diagnosis of aneurysm accompanied by the viscoelastic deterioration of the blood vessel wall. In these theories, new mechanical indexes were derived as dominant factors for predicting the life of fatigue crack growth and the time-dependent fracture of notched specimens of materials such as hydrogen embrittlement and high-temperature creep. Furthermore, as an example of a practical application, these theories were applied to estimate the degree of viscoelastic deterioration and chaotic motions of blood vessel walls, which are closely related to blood vessel diseases such as atherosclerosis and aneurysm. Moreover, new indexes to diagnose them were also proposed for clinical applications.White coat hypertension is defined as elevated blood pressure in the office, but a normal blood pressure out-of-office, whereas masked hypertension is defined as elevated blood pressure in the office, but normal out-of-office blood pressure. The objective was to investigate the associations between these blood pressure phenotypes and carotid artery changes. Conventional blood pressure, ambulatory blood pressure, and carotid ultrasonography were evaluated in 851 Ohasama residents (31.8% men; mean age 66.3 years). The blood pressure phenotypes were defined by the ordinary thresholds (140/90 mmHg for conventional blood pressure, 135/85 mmHg for daytime blood pressure) and then by the 2017 American College of Cardiology/American Heart Association (ACC/AHA) thresholds for hypertension (130/80 mmHg for both conventional and daytime blood pressure), irrespective of antihypertensive medication treatment status. Blood pressure phenotypes were linearly associated with the mean intima-media thickness of the carotid artery in ascending order for sustained normal blood pressure, white coat hypertension, masked hypertension, and sustained hypertension according to the ordinary thresholds and the 2017 ACC/AHA thresholds (both linear trends P less then 0.0001) after adjustments for possible confounding factors. The odds ratios for the presence of carotid plaques showed similar linear trends with the blood pressure phenotypes according to the 2017 ACC/AHA thresholds (linear trend P less then 0.0191). In conclusion, there was a close relationship between blood pressure phenotypes and carotid artery changes, suggesting that blood pressure phenotypes as defined by ambulatory blood pressure are potentially useful for risk stratification of carotid artery changes in the Japanese general population.Interleukin 2 (IL-2) is a pleotropic cytokine and well-known as a T cell growth factor in immunology. It is now known to exert both immunostimulatory and immunosuppressive effects, optimizing immunological microenvironments for effector and regulatory T cell responses. The immunomodulatory role of IL-2 is critical for deciding whether or not T cell responses against specific antigens result in protection. We have established a mammalian cell line (HEK-293) stably expressing bovine IL-2 (boIL-2) (designated as HEK-293/boIL-2), using the piggyBac transposon system. The concentration of recombinant bovine IL-2 (rboIL-2) in the culture supernatant of HEK-293/boIL-2 reached 100 ng/ml on day 7 and showed similar proliferative activity to recombinant human IL-2 (rhuIL-2) for bovine peripheral mononuclear blood cells. Although rhuIL-2 has been often used to activate bovine T cells, our results indicate that characteristics of the T cell activation through rboIL-2 and huIL-2 appear slightly but significantly different. Interestingly, the rboIL-2/anti-boIL-2 monoclonal antibody (C5) (rboIL-2/C5) complex strongly induced proliferation of bovine NKp46+cells, natural killer (NK) cells, in vitro. This indicates that the rboIL-2/C5 complex could function as an IL-2 agonist specifically to increase the NK cell population, which in turn could enhance the activity of NK cells leading to protective immunity.Circular RNAs (circRNAs) are non-coding RNAs molecules consisting of a covalently closed continuous loop which have no 5'-3' polarity and contain no polyA tail. Accumulating evidence demonstrates that circRNAs are involved in the initiation and progression of human malignancies. In this study, we explored the expression profile and regulatory role of circ-baculoviral IAP repeat-containing 6 (circ-BIRC6), a circular RNA, in malignant behaviors in non-small cell lung cancer (NSCLC). Expression levels of circ-BIRC6 and miR-4491 were examined in NSCLC patient samples and cell lines using quantitative real time PCR (qRT-PCR). In vitro roles of circ-BIRC6 knockdown on cell viability, colony formation, and apoptosis were assessed using the CCK-8, colony formation assay, and flow cytometry, respectively. The interactions between circ-BIRC6 and miR-449 were assessed using luciferase reporter and qRT-PCR assays. The in vivo role of circ-BIRC6 knockdown on tumor growth and apoptosis was evaluated in a xenograft mouse model of NSCLC. We found that expression levels of circ-BIRC6 in NSCLC patient samples and cell lines were elevated. Small interfering RNA (siRNA)-mediated circ-BIRC6 knockdown suppressed cell proliferation, colony formation, migration and invasion, and promoted apoptosis in NCI-H460 and A549 cells. In addition, miR-4491 was identified as a tumor-suppressor miRNA in NSCLC and circ-BIRC6 functions as a molecular sponge for miR-4491. Furthermore, circ-BIRC6 knockdown suppressed Wnt2B/β-catenin pathway. In vivo assay showed that depletion of circ-BIRC6 suppressed tumor growth, enhanced apoptosis, and decreased miR-4491 levels in a mouse xenograft model. These findings demonstrate that circ-BIRC6 functions as a critical regulator of proliferation and apoptosis via binding to and negatively regulating miR-4491, suggesting that circ-BIRC6 might be a potential target for treatment of NSCLC.Salmonella enterica subspecies enterica causes salmonellosis in humans and animals and is an important cause of food infections worldwide. In recent years, the multiple-locus variable-number of tandem repeat (VNTR) analysis (MLVA), a fast molecular typing method with strong epidemiological discrimination, has facilitated the effective control of diverse infections. This study aimed at the typing of 28 human origined Salmonella enteritidis, Salmonella infantis, and Salmonella typhimurium strains by using a single MLVA protocol. Previously these strains have been identified by pulsed field gel electrophoresis (PFGE) method and it has been shown that each strain produced a distinct PFGE banding profile. One MLVA protocol was tested on 3 serotypes simultaneously and it produced three banding patterns specific to each of the three common Salmonella serotypes. MLVA also constitute a relatively more cost-effective and faster method than PFGE.Lactic acid bacteria (LAB) have been demonstrated to have roles in many applications, ranging from lowering of cholesterol to immunological development. In this study, Lactobacillus fermentum was isolated from a new-born's faeces and its genotypic and probiotic characterizations were performed. Our results showed that the survival rate of isolated Lactobacillus fermentum was 39.39% at pH 2 and 81.34% in the stimulated gastric juice at pH 3. It also digested bile salts. Its surface hydrophobicity was found to be 57.59% in n-hexane. These findings indicated that the isolate can be a good probiotic candidate.The aim of the study was to investigate the chemical properties of the most popular commercial extra virgin olive oils (EVOOs) in China. A total of 14 EVOO samples were collected and evaluated, and significant differences were observed with respect to physicochemical properties, fatty acid composition, minor components, and the oxidation stability index (OSI). The results showed that the chemical properties of EVOOs were significantly affected by different producing areas. The oleic acid (C181) content (average value 77.80%), squalene content (average value 6052.28 mg/kg), and OSI (average value 9.90 h) of the Spanish olive oil were higher than those of the other oils investigated, while the total phenolic content (average value 308.34 mg/kg) was the lowest. Greek EVOOs had the lowest total sterol content (average value 1023.48 mg/kg) and OSI (average value 4.22 h). The C181 content (66.42%) and squalene content (3173.42 mg/kg) of the EVOO from China were lower than those of the other oils, while the palmitic acid (C160, 16.82%), linoleic acid (C182, 12.18%), total phenolic (553.17 mg/kg), and total sterol content (1904.77 mg/kg) were higher than those of the other olive oils. https://www.selleckchem.com/products/way-316606.html The EVOOs of the various countries could be distinguished by hierarchical cluster analysis (HCA). In addition, multiple linear regression (MLR) analyses between the OSI and chemical properties revealed that squalene (R = 0.729) and the unsaturation determined by the specific UV adsorption at 232 nm (K232, R = -0.300) were the main factors to affecting the EVOO oxidation stability.We determine the effects of the α-gel (α-form hydrated crystal) domain size on the viscosity of water-diluted α-gels consisting of the N-[3-(dimethylamino)propyl]docosanamide (APA-22) L-lactic acid salt, 1-octadecanol (C18OH), and water. A decrease in the C18OH mole content results in increased domain size and viscosity of the water-diluted α-gel system. Additionally, when a sample is prepared by slow cooling and/or at low stirring speed, the domain size and viscosity of the water-diluted α-gel system increase. A similar increase in the domain size and viscosity of the α-gel system is observed for annealed samples. The observed change in the α-gel domain size is explained by the crystal growth theory.Lichens produce a variety of secondary metabolites that could be potential sources of pharmaceutically useful chemicals. However, only a limited number of lichen metabolites have been investigated for their biological significance. The objective of this study was to identify the potential compounds responsible for the antileukemic activity of lichen Teloschistes flavicans. Among three fractions (n-hexane, EtOAc, and MeOH-H2O), the ethyl acetate (EtOAc) fraction of T. flavicans methanolic extract showed the strongest inhibition in the HL-60 cell line. Additionally, the EtOAc fraction was further purified to obtain a new depsidone, 2,7-dichloro-3,8-dimethoxy-1,6,9-trimethyl-11H-dibenzo[b,e][1,4]dioxepin-11-one, named as flavicansone, along with rhizonic acid, parietin, and vicanicin. Flavicansone demonstrated the most significant inhibitory action against cell proliferation among the four isolated compounds.The surface compositions and structure of oil bodies (OBs) are dependent on the oil crop, and these factors affect in vitro gastrointestinal digestion behaviors. Herein, a comparative study was conducted to examine the in vitro gastrointestinal digestion characteristics of two natural emulsions prepared with soybean seeds and rapeseed OBs during gastrointestinal digestion process. The average particle size of soybean OBs and rapeseed OBs emulsions was 0.46 and 5.02 µm, respectively. The droplet size of soybean seed and rapeseed OBs emulsions was large with relatively low zeta-potentials at 30 min digestion time in simulated gastric fluid condition. The droplet size of two natural OBs emulsions decreased with increasing digestion time in simulated gastric fluid condition. The average droplet size of both emulsions gradually decreased with increasing digestion time in simulated intestinal fluid conditions. The zeta-potential of the two emulsions increased with increasing digestion time in simulated intestinal fluid conditions.
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