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  • Bjerrum Franklin posted an update 10 hours, 22 minutes ago

    Conversely, BiP overexpression negatively regulated the NRPs/GmNACs/VPE signaling module, conferred tolerance to Cd2+ stress, and reduced Cd2+ -mediated cell death. Collectively, our data indicate that Cd2+ induces PCD in plants via activation of the NRP/GmNAC/VPE regulatory circuit that links developmentally and stress-induced cell death. This article is protected by copyright. All rights reserved.The aim of the study was to determine the effect of ketoprofen (2 mg/kg) on the intravenous pharmacokinetics of ganciclovir (10 mg/kg) in chukar partridges (Alectoris chukar). Eight clinically healthy partridges were used in the study. The study was performed in two periods using a cross-over design following a 15-day drug washout period. Plasma concentrations of ganciclovir were determined using the high-pressure liquid chromatography-ultraviolet detector and analyzed by non-compartmental analysis. The elimination half-life (t1/2ʎz ), area under the concentration-time curve (AUC0-∞ ), total body clearance, and volume of distribution at steady state of ganciclovir were 1.63 h, 33.22 h*μg/ml, 0.30 L/h/kg, and 0.53 L/kg, respectively. Ketoprofen administration increased the t1/2ʎz and AUC0-∞ of ganciclovir by 78% and 108%, respectively, and while decreased ClT by 53%. The increased plasma concentration and prolonged elimination half-life of ganciclovir caused by ketoprofen may result in the prolonged duration of action and therapeutic effect of ganciclovir. However, the concomitant use requires determination of the pharmacokinetics of ketoprofen and the safety of both drugs.

    Basic 7S globulins, a group of proteins commonly found in legumes, undergo the intriguing phenomenon of release from the seeds into hot water. γ-Conglutin is a representative of this group of proteins found in lupin seeds. The physiological significance and molecular mechanism of the selective release of γ-conglutin from lupin seeds remain unknown. Therefore, the presented study’s main aim was to determine changes in this protein’s functionality in response to high-temperature occurring during the lupin seeds incubation.

    It was confirmed that the main protein fraction released from the seeds during high-temperature incubation was γ-conglutin. The incubation condition, favours this protein’s occurrence in a monomeric form, and the temperature used corresponds to its midpoint unfolding temperature. Subsequent analysis carried out on γ-conglutin monomer revealed changes in its functionality after heat shock. BTK inhibitor order The thermally treated protein shows a considerable increase in its interaction strength with flavonoid. Moreover, the inhibitory activity against glycoside hydrolases was enhanced when γ-conglutin monomer was exposed to specific temperatures.

    The presented results provide a potential explanation of γ-conglutin physiological relevance and shed new light on a possible mechanism of its activation upon specific heat treatment. This knowledge will help characterise homologous proteins, which are commonly found in other legumes and undergo the similarly heat-induced secretion phenomenon. This article is protected by copyright. All rights reserved.

    The presented results provide a potential explanation of γ-conglutin physiological relevance and shed new light on a possible mechanism of its activation upon specific heat treatment. This knowledge will help characterise homologous proteins, which are commonly found in other legumes and undergo the similarly heat-induced secretion phenomenon. This article is protected by copyright. All rights reserved.

    Epithelial ovarian cancer (EOC) patients undergoing splenectomy during cytoreductive surgery represent a small subgroup of patients. Splenic metastases or technical reasons due to extensive upper abdominal disease may require a splenectomy. It has been hypothesized that as the spleen’s antitumor immunologic functions may inhibit cancer growth, splenectomy may promote the growth of residual disease as observed in other cancer types of murine studies. The few studies assessing the impact of splenectomy on the oncologic outcomes of advanced stage EOC patients have reported inconsistent results. It remains unclear whether splenectomy during cytoreductive surgery is justified to achieve complete cytoreduction. The aim of this study was to assess the impact of a splenectomy on perioperative outcomes and survival of advanced stage EOC patients.

    In this nationwide population-based study, all consecutive patients diagnosed with FIGO stage IIIC and IV EOC between 1 January 2008 and 31 December 2015 were identified advanced stage EOC patients who undergo splenectomy during cytoreductive surgery have less favorable perioperative outcomes, no adverse impact of splenectomy on the survival of advanced stage EOC patients was observed. Splenectomy during cytoreductive surgery seems to be justified to achieve complete cytoreduction in advanced stage EOC patients.

    Although advanced stage EOC patients who undergo splenectomy during cytoreductive surgery have less favorable perioperative outcomes, no adverse impact of splenectomy on the survival of advanced stage EOC patients was observed. Splenectomy during cytoreductive surgery seems to be justified to achieve complete cytoreduction in advanced stage EOC patients.

    Fluvoxamine, an SSRI and sigma-1 receptor agonist, has so far shown promise in the prevention of COVID-19 progression as an early treatment option in 3 conducted trials. The aim of this study was to evaluate the safety and efficacy of fluvoxamine in COVID-19 patients if administered later in the disease’s course.

    The study was designed as an open label, prospective cohort trial with matched controls. In April and May 2021, 51 ICU COVID-19 patients hospitalised in the University Hospital Dubrava and University Hospital Centre Zagreb, Croatia, were treated with fluvoxamine 100mg three times daily for 15 days in addition to standard therapy and they were prospectively matched for age, gender, vaccination against COVID-19, disease severity and comorbidities with 51 ICU controls.

    No statistically significant differences between groups were observed regarding the number of days on ventilator support, duration of ICU or total hospital stay. However, overall mortality was lower in the fluvoxamine group, 58.8% (n=30/51), than in the control group, 76.5% (n=39/51), HR 0.58, 95%CI (0.36 – 0.94, p = 0.027).

    Fluvoxamine treatment in addition to the standard therapy in hospitalised ICU COVID-19 patients could have a positive impact on patient survival. Further studies on the effects of fluvoxamine in COVID-19 patients are urgently required.

    Fluvoxamine treatment in addition to the standard therapy in hospitalised ICU COVID-19 patients could have a positive impact on patient survival. Further studies on the effects of fluvoxamine in COVID-19 patients are urgently required.The tea plant, Camellia sinensis (L.) O. Kuntze, is an economically important, perennial woody plant rich in catechins. Although catechins have been reported to play an important role in plant defences against microbes, their roles in the defence of tea plants against herbivores remain unknown. In this study, we allowed the larvae of Ectropis grisescens, a leaf-feeding pest, to feed on the plants, and alternatively, we wounded the plants and then treated them with E. grisescens oral secretions (WOS). Both approaches triggered jasmonic acid-, ethylene- and auxin-mediated signalling pathways; as a result, plants accumulated three catechin compounds (+)-catechin, epicatechin and epigallocatechin. Not only was the mass of E. grisescens larvae fed on plants previously infested with E. grisescens or treated with WOS significantly lower than that of larvae fed on controls, but also artificial diet supplemented with epicatechin, (+)-catechin or epigallocatechin gallate reduced larval growth rates. In addition, the exogenous application of jasmonic acid, ethylene or auxin induced the biosynthesis of the three catechins, which, in turn, enhanced the resistance of tea plants to E. grisescens, leading to the coordination of the three signalling pathways. Our results suggest that the three catechins play an important role in the defences of tea plants against E. grisescens.Cholangiocarcinoma (CCA) is a malignancy arising from biliary epithelial cells of intra- and extra-hepatic bile ducts with dismal prognosis and few non-surgical treatments available. Despite recent success in the immunotherapy-based treatment of many tumor types, this has not been successfully translated to CCA. Mucosal associated invariant T (MAIT) cells are cytotoxic innate-like T cells highly enriched in human liver where they are located in close proximity to the biliary epithelium. Here, we aimed to comprehensively characterize MAIT cells in intrahepatic and perihilar CCA. Liver tissue from patients with CCA was used to study immune cells, including MAIT cells, in tumor-affected and surrounding tissue by immunohistochemistry, RNA sequencing, and multicolor flow cytometry. The intrahepatic and perihilar CCA tumor microenvironment was characterized by the presence of both cytotoxic T cells and high numbers of regulatory T cells. In contrast, MAIT cells were heterogenously lost from tumors compared to the surrounding liver tissue. This loss possibly occurred in response to increased bacterial burden within tumors. The residual intratumoral MAIT cell population exhibited phenotypic and transcriptomic alterations but a preserved receptor repertoire for interaction with tumor cells. Finally, high presence of MAIT cells in livers of intrahepatic CCA patients predicted long-term survival in two independent cohorts and was associated with a favourable anti-tumor immune signature. Conclusions MAIT cell tumor-infiltration associates with favourable immunological fitness and predicts survival in cholangiocarcinoma.Bacterial communities form the basis of biogeochemical processes and determine plant growth and health. Mosses harbour diverse bacterial communities that are involved in nitrogen fixation and carbon cycling. Global climate change is causing changes in aboveground plant biomass and shifting species composition in the Arctic, but little is known about the response of moss microbiomes in these environments. Here, we studied the total and potentially active bacterial community associated with Racomitrium lanuginosum, in response to 20-year in situ warming in an Icelandic heathland. We evaluated the effect of warming and warming-induced shrub expansion on the moss bacterial community composition and diversity, and nifH gene abundance. Warming changed both the total and the potentially active bacterial community structure, while litter abundance only affected the total bacterial community structure. The abundance of nifH genes was negatively affected by litter abundance. We also found shifts in the potentially nitrogen-fixing community, with Nostoc decreasing and non-cyanobacterial diazotrophs increasing in relative abundance. Our data suggests that the moss microbial community and potentially nitrogen fixing taxa are sensitive to future warming, partly via changes in litter and shrub abundance.

    A point-of-care device that can provide immediate and reliable hemoglobin (Hb) concentrations and packed cell volumes (PCVs) would be useful in veterinary medicine.

    We aimed to compare the use of a human device (Mission Plus; MP) with a gold standard (GS) method for measuring Hb concentrations and PCVs in cattle blood.

    Blood samples from clinically healthy cattle (n=122) were collected with or without an anticoagulant (K

    EDTA). The GS and MP methods were compared with correlation coefficients. Passing-Bablok regression analyses were also performed, and the acceptability judgment was completed using Bland-Altman plots.

    The CV

    for Hb values obtained using the GS method, the MP device without K

    EDTA, and the MP device with K

    EDTA were approximately 2.70%, 1.70%, and 2.0%, respectively, whereas the CV

    for PCVs was 0.90%, 1.83%, and 2.05%, respectively. A positive correlation (97.5% confidence interval) was observed between the Hb concentrations and PCV values detected using the MP and GS techniques in blood with and without K

    EDTA.