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We compared the performance of two 96-well multiplex immunoassay platforms in assessing plasma cytokine concentrations in patients with glioblastoma (GBM; n = 27), individuals with melanoma, breast or lung cancer metastases to the brain (n = 17), and healthy volunteers (n = 11). Assays included a bead-based fluorescence MILLIPLEX® assay/Luminex (LMX) platform and 4 planar electrochemiluminescence kits from Meso Scale Discovery (MSD). The LMX kit evaluated 21 cytokines and the 3 MSD kits evaluated 20 cytokines in total, with 19 overlapping human cytokines between platforms (GM-CSF, IFNγ, IL-1β, IL-2, IL-4, IL-5, IL-6, IL-7, IL-8, IL-10, IL-12p70, IL-13, IL-17A, IL-21, IL-23, MIP-1α, MIP-1β, MIP-3α, TNFα). The MSD platform had lower LLoQs (lower limits of quantification) than LMX for 17/19 cytokines, and higher LLoQs for IFN-γ and IL-21. The ULoQs were higher in LMX versus MSD assays for 17/19 shared analytes, but lower than MSD for IL-17A and IL-21. With LMX, all 19 shared analytes were quantifiable in each of 55 samples. Although MSD recombinant protein standard curves indicated lower LLoQs than LMX for most cytokines, MSD detected 7/19 (37%) native analytes in less then 75% of samples, including 0% detection for IL-21 and 8% for IL-23. The LMX platform categorized identical samples at greater concentrations than the MSD system for most analytes (MIP-1β the sole exception), sometimes by orders of magnitude. This mismatched quantification paradigm was supported by Bland-Altman analysis. LMX identified significantly elevated levels of 10 of 19 circulating cytokines in GBM GM-CSF, IFN-γ, IL-1β, IL-5, IL-10, IL-17A, IL-21, IL-23, MIP-1α, and MIP-3α, consistent with prior findings and confirming the utility of applying appropriate multiplex immunoassay technologies toward developing a cytokine signature profile for GBM. Tranexamic acid (TXA) is an inexpensive antifibrinolytic agent that significantly reduces peri-operative blood loss and transfusion requirements after total hip and knee replacement. This meta-analysis demonstrates the effects of TXA on blood loss in total shoulder replacement (TSR) and total elbow replacement (TER). We systematically searched MEDLINE, EMBASE and CENTRAL from inception to September 03, 2020 for randomised controlled trial (RCTs) and observational studies. Our primary outcome was blood loss. Secondary outcomes included the need for blood transfusion, and post-operative venous thromboembolic (VTE) complications. Mean differences (MD) and relative risks with 95% confidence intervals (CIs) were reported. Four RCTs and five retrospective cohort studies (RCS) met eligibility criteria for TSRs, but none for TERs. RCT data determined that TXA administration significantly decreased estimated total blood loss (MD-358mL), post-operative blood loss (MD-113mL), change in haemoglobin (Hb) (MD-0.71g/dtration should be routinely considered for patients undergoing TSR. Further research is needed to demonstrate the treatment effect in patients undergoing TER.To investigate physiological and biochemical changes of thrips-resistant alfalfa (Medicago sativa L. cv. https://www.selleckchem.com/products/Nolvadex.html Gan-nong No. 9), we aimed at clarifying the response mechanisms of alfalfa against thrips. Medicago sativa L. cv. including thrips-resistant Gan-nong No.9 (G9), thrips-susceptible Gan-nong No.3 (G3) and highly thrips-susceptible WL363HQ (363) were infested with different thrips densities (3, 5, 7 and 9-thrips per branch). The quantitative change in specific nutrients, secondary metabolites, defensive and antioxidant enzymes were measured at seedling stage of the three alfalfa cultivars. The results showed that with the increase of thrips densities, the damage indices, SS, Pro, flavonoids, tannin and H2O2 in G9, G3 and 363 were significantly increased, but PPO and SOD significantly reduced, compared with CK. Furthermore, the tannin and lignin contents of G9 were significantly higher compared to 363, but SP content was significantly lower than G3 and H2O2 content which was further significantly less compared to 363. Correlation analysis observed that the damage index of the three alfalfa cultivars showed a significant positive association with SS, Pro, flavone, tannin, and H2O2 (P less then 0.01), while damage index and DW, Chl (a, b, a + b), PPO and SOD showed a significant negative correlation (P less then 0.01). Based on principal component comprehensive evaluation, the 5-thrips adults per branch were the critical inoculation threshold for G9 against thrips injury because the score was - 0.048. These results revealed that thrips damage significantly increased the contents of SS, Pro, flavonoids, tannins and H2O2, as well as significantly declined the activities of PPO and SOD in the three cultivars (P less then 0.05), moreover, thrips-resistant G9 markedly accumulated lignin content, POD and CAT activity, inhibited Chl (a + b, b) and SP biosynthesis to resist thrips damage.The broad-spectrum resistance gene Pi54 confers resistance to multiple isolates of Magnaporthe oryzae in rice. In order to decipher the molecular mechanism underlying the Pi54 mediated resistance in rice line Taipei309 Pi54 (carrying Pi54), miRNAome study was performed at 24 h post-inoculation (hpi) with M. oryzae. A total of 222 known miRNAs representing 101 miRNA families were found in this study. Of these, 29 and 24 miRNAs were respectively up- and down-regulated in the resistant Taipei309 Pi54 . Defence response (DR) genes, like, NBSGO35, and OsWAK129b, and genes related to transcription factors were up-regulated in Taipei309 Pi54 line. The vast array of miRNA candidates identified here are miR159c, miR167c, miR2100, miR2118o, miR2118l, miR319a, miR393, miR395l, miR397a, miR397b, miR398, miR439g, miR531b, miR812f, and miR815c, and they manifest their role in balancing the interplay between various DR genes during Pi54 mediated resistance. We also validated miRNA/target gene pairs involved in hormone signalling, and cross-talk among hormone pathways regulating the rice immunity. This study suggests that the Pi54 gene mediated blast resistance is influenced by several microRNAs through PTI and ETI components in the rice line Taipei309 Pi54 , leading to incompatible host-pathogen interaction.
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