Timmtuttle5369
Decreased abundances of adherent bacteria may allow the overgrowth of bacteria that induce inflammatory T cells, leading to intestinal inflammation. As FUT2 loss-of-function mutations are highly prevalent, the identification of T cell inducing bacteria in sese patients could be valuable for the development of personalized microbial intervention for IBD.Innate lymphoid cells (ILCs) are a group of innate immune cells, which constitute the first line of defense in the immune system, together with skin and mucous membrane. ILCs also play an important role in maintaining the homeostasis of the body, particularly in the complex and diverse environment of the intestine. ILCs respond to different microenvironments, maintaining homeostasis directly or indirectly through cytokines. As a result, ILCs, with complex and pleiotropic characteristics, are associated with many gastrointestinal diseases. Their ability of transition among those subgroups makes them function as both promoting and inhibiting cells, thus affecting homeostasis and disease progressing to either alleviation or deterioration. With these special characteristics, ILCs theoretically can be used in the new generation of immunotherapy as an alternative and supplement to current tumor therapy. Our review summarizes the characteristics of ILCs with respect to category, function, the relationship with intestinal homeostasis and gastrointestinal diseases. In addition, potential tumor immunotherapy involving ILCs is also discussed to shed light on the perspectives of immunotherapy.
Current electrocardiogram analysis algorithms cannot predict the presence of coronary artery disease (CAD), especially in stable patients. This study assessed the ability of an artificial intelligence algorithm (ECGio) to predict the presence, location, and severity of coronary artery lesions in an unselected stable patient population.
A cohort of 1659 stable outpatients were randomly divided into training (86%) and validation (14%) subsets, maintaining population characteristics. ECGio was trained and validated using electrocardiograms paired with retrospectively-collected angiograms. Coronary artery lesions were classified in two analyses. The primary classification was no/mild (<30% diameter stenosis [DS]) vs moderate (30-70% DS) vs severe (≥70% DS) CAD. The secondary classification was yes/no based on ≥50% DS in any vessel.
In the primary analysis, 22 had no angiographic CAD and were grouped Mild CAD (56 patients, DS <30%), 31 had Moderate CAD (DS 30-70%), and 113 had severe CAD (DS ≥70%). Weighted average sensitivity was 93.2% and weighted average specificity was 96.4%. In the secondary analysis, 93 had significant CAD; and 128 did not. There was sensitivity of 93.1% and specificity of 85.6% in determining the presence of clinically significant disease (≥50% DS) in any vessel. ECGio was able to predict stenosis with average vessel error in the LAD of 18%, the LCX of 19%, the RCA of 18%, and the LM of 8%.
This study strongly suggests that it is possible to utilize an artificial intelligence algorithm to determine the presence and severity of CAD in stable patients using data from a 12-lead electrocardiogram.
This study strongly suggests that it is possible to utilize an artificial intelligence algorithm to determine the presence and severity of CAD in stable patients using data from a 12-lead electrocardiogram.Women who experience a hypertensive disorder of pregnancy (HDP) are amongst those at the highest risk of premature cardiovascular diseases (CVD). In Canada, effective CVD prevention interventions tailored specifically for this high-risk population are urgently needed. The objective of this review is to summarize a broad range of mechanistic and clinical studies examining the association of HDP with future CVD to inform postpartum clinical follow-up strategies focused on improving women's cardiovascular health. The current state of the science (animal model, observational and intervention studies) largely support two main hypotheses explaining the epidemiological link between HDP and long-term risk of CVD. First, that the complicated pregnancy "unmasks" women who were predisposed to CVD prior to pregnancy (i.e., women with subclinical atherosclerosis or pre-pregnancy CVD risk factors). Second, that HDP causes vascular dysfunction and/or worsens preexisting, subclinical CVD risk factors. Despite this strong evidence, several knowledge gaps remain in the understanding of specific mechanisms linking these two theories and the impacts of other important contributors (e.g., intersectional factors). From a clinical perspective, given the consistent data demonstrating a high prevalence of CVD risk factors after HDP, routine care after pregnancy at minimum should include 1) standardized assessment of pregnancy-associated CV risks (P-CVRs); 2) early and regular screening of traditional CVD risk factors; 3) education and support for health behaviours as first line therapy (including breastfeeding); 4) individualized pharmacotherapy (i.e., statins, antihypertensives or antiglycemic agents as clinically indicated); and 5) consideration of a woman's health goals, reproductive plans and social context.
Human T-cell lymphotropic virus type 1 (HTLV-1) and bovine leukemia virus (BLV) are oncogenic viruses that induce adult T cell leukemia/lymphoma (ATLL) and enzootic bovine leukosis (EBL), respectively. HTLV-1 principally infects CD4
T cells comprising regulatory T cells (Tregs), T helper 1 (Th1), and T helper 2 (Th2), while BLV infects B lymphocytes. Both viruses may impel cell proliferation and malignancy.
To survey the transcriptomic variations due to HTLV-1 and BLV infection and further hematologic malignancies, differential expression genes (DEGs) were explored between leukemia and normal samples using the DESeq2 package. Gene set enrichment analyses (GSEA) were then performed to identify significant gene sets using the FGSEA package. Afterward, the protein-protein interaction (PPI) networks were reconstructed using the STRING online database. Eventually, the hub significant genes and modules were determined through network analysis and MCODE algorithm, respectively.
Our results uncloaked that foural malignancy through enhancing cell proliferation and overall survival of cancer cells. The dysregulated genes and pathways may be the efficient candidates for the therapy of the mentioned life-threatening diseases.
ESBL producing Escherichia coli (E. coli) have spread in the hospital settings. The aims of this study determination of genetic relationship between Environmental E. coli with PFGE typing and investigation of IS element in bla
gene of these isolates.
A total of 50 E. Selleck MLN7243 coli isolates were collected from hospital environmental. The bla
producing E. coli and IS element of this gene with phylogenetic typing were detected by PCR. The PFGE was performed to detect genetic relationships between this strains.
Most of the isolates were from urology wards, other samples were isolated from ICU, surgery and orthopedic ward. The majority of isolates were resistant to cefotaxime and ceftazidime antibiotics and also phosphomycin antibiotic resistant were detected in 10% of isolates. CTX-M gene was detected in 72% of isolates. Moreover, ISEcp1, IS26a, and IS26b were detected upstream of CTX-M in 24%, 8% and 16 of isolates. A phylogroup was the most frequent and PFGE analysis exhibited a diverse distribution of E. coli isolates.
The results demonstrated the existence of CTX-M-producing E. coli in a hospital environment which is a source for drug-resistant strains. In the most of strains, ISEcp1 was located in the upstream of CTX-M gene and Orf477 was found in the downstream. However, in some strains, IS26 was inserted within the ISEcp1element. Our results show that despite the fact that antibiotics of phosphomycin are not used in this hospital, resistance to phosphomycin was observed in the environmental E. coli.
The results demonstrated the existence of CTX-M-producing E. coli in a hospital environment which is a source for drug-resistant strains. In the most of strains, ISEcp1 was located in the upstream of CTX-M gene and Orf477 was found in the downstream. However, in some strains, IS26 was inserted within the ISEcp1element. Our results show that despite the fact that antibiotics of phosphomycin are not used in this hospital, resistance to phosphomycin was observed in the environmental E. coli.
Real-time spiral phase contrast MR (PCMR) enables rapid free-breathing assessment of flow. Target spatial and temporal resolutions require high acceleration rates often leading to long reconstruction times. Here we propose a deep artifact suppression framework for fast and accurate flow quantification.
U-Nets were trained for deep artifact suppression using 520 breath-hold gated spiral PCMR aortic datasets collected in congenital heart disease patients. Two spiral trajectories (uniform and perturbed) and two losses (Mean Absolute Error -MAE- and average structural similarity index measurement -SSIM-) were compared in synthetic data in terms of MAE, peak SNR (PSNR) and SSIM. Perturbed spiral PCMR was prospectively acquired in 20 patients. Stroke Volume (SV), peak mean velocity and edge sharpness measurements were compared to Compressed Sensing (CS) and Cartesian reference.
In synthetic data, perturbed spiral consistently outperformed uniform spiral for the different image metrics. U-Net MAE showed better MAE and PSNR while U-Net SSIM showed higher SSIM based metrics. In-vivo, there were no significant differences in SV between any of the real-time reconstructions and the reference standard Cartesian data. However, U-Net SSIM had better image sharpness and lower biases for peak velocity when compared to U-Net MAE. Reconstruction of 96 frames took ~59s for CS and 3.9s for U-Nets.
Deep artifact suppression of complex valued images using an SSIM based loss was successfully demonstrated in a cohort of congenital heart disease patients for fast and accurate flow quantification.
Deep artifact suppression of complex valued images using an SSIM based loss was successfully demonstrated in a cohort of congenital heart disease patients for fast and accurate flow quantification.
Ermiao wan (2MW) is one of the most frequently prescription in traditional Chinese medicine (TCM) to treat hyperuricemia. Sanmiao wan (3MW) and Simiao wan (4MW), two modified Ermiao wan, also show good clinical effects in the treatment of gout and hyperuricemia. However, their uric acid lowering effects and potential action mechanism still need to be systematically investigated.
The aim of present study was to analyze and compare the uric acid-lowering effects of 2MW, 3MW and 4MW in rat with high fructose combined with potassium oxonate (HFCPO)-induced hyperuricemia and their possible mechanisms through plasma metabolomics methods.
HFCPO-induced hyperuricemia rat model was established to evaluate the therapeutic effects of Ermiao wan categorized formulas (ECFs, including 2MW, 3MW and 4MW). Body weight, blood uric acid, creatinine, urine uric acid and urine creatinine levels and histopathological parameters of rats were assessed. Plasma untargeted metabolomics based on ultra-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UPLC-QTOF/MS) was established to collect the metabolic profiles of rats and explore the metabolic changes that occurred after each ECFs treatment.