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Owen Katz posted an update 2 weeks, 6 days ago
Liver cancer is a major public health concern, but the mechanistic actions of biomarkers contributing to liver cancer remain to be determined. In this study, we aimed to investigate the regulatory cascade of microRNA-424-5p (miR-424-5p), X-inactive-specific transcript (XIST) and O-GlcNAc transferase (OGT) in liver cancer.
Differentially expressed miRNAs and target genes related to liver cancer were predicted by bioinformatics analyses, and their expression was determined in liver tissues of patients with liver cancer and liver cancer cells. The RNA immunoprecipitation (RIP), RNA pull-down and dual luciferase reporter assay were used to examine the binding affinity among XIST and miR-424-5p and OGT. Then, gain- and loss-of-function assays were conducted to evaluate the effects of the XIST/miR-424-5p/OGT axis on malignant phenotypes. A nude mouse model of liver cancer was further established for in vivo substantiation.
XIST and OGT were up-regulated in liver cancer tissues and cells, responsible for poor prognosis in patients with liver cancer, while miR-424-5p was down-regulated. XIST competitively bound to miR-424-5p to increase OGT expression. XIST silencing inhibited malignant phenotypes of liver cancer cells, while miR-424-5p down-regulation negated its effect. miR-424-5p suppressed RAF1 glycosylation by negatively regulating OGT expression and promoted its ubiquitination/degradation. Furthermore, XIST knockdown inhibited tumour growth and metastasis in nude mice, while ectopic OGT reversed its effect.
These results reveal a novel mechanism by which the interaction of XIST/miR-424-5p/OGT participates in the malignancy and metastasis of liver cancer.
These results reveal a novel mechanism by which the interaction of XIST/miR-424-5p/OGT participates in the malignancy and metastasis of liver cancer.
DCM has rarely been reported in children with CD, but is a recognized complication in adults. DCM with uncontrolled heart failure may need heart transplantation, which could be challenging in CD.
We present a 9-year-old female with CD who was diagnosed with DCM and a measured Ejection fraction ~25.8%. She was initiated on heart failure treatment, but continued to have progressive symptoms and underwent bicaval OHT three months after her initial presentation. Her post-operative course was complicated by perforation of the rectosigmoid junction requiring exploratory laparotomy and primary repair of the perforation. This was believed to be secondary to her underlying CD and possibly reperfusion injury after heart transplant. During the first-year post heart transplant, she had 4 episodes of acute cellular rejection. These episodes were treated with high dose steroids with good results. The patient has been in remission from CD since transplantation. For the last two years she is doing well, with no further rejection episodes on current immunosuppression.
DCM, though rare, can occur in patients with CD, whether active or in remission. The development of DCM could be insidious and keeping a high index of suspicion is important and subtle signs suggestive of cardiac involvement should warrant further investigation. The post-transplant management can be challenging with early morbidity in the first post-transplant year but overall good median survival and quality of life for our patient to date.
DCM, though rare, can occur in patients with CD, whether active or in remission. The development of DCM could be insidious and keeping a high index of suspicion is important and subtle signs suggestive of cardiac involvement should warrant further investigation. The post-transplant management can be challenging with early morbidity in the first post-transplant year but overall good median survival and quality of life for our patient to date.
Anxiety and depression are highly comorbid and share clinical characteristics, such as high levels of negative emotion. Attention toward negative stimuli in anxiety and depression has been studied primarily using negative pictures. Yet, negative mental imagery-that is, mental representations of imagined negative events or stimuli-might more closely mirror patient experience.
The current study presents the first examination of neural response to negative imagery in 57 adults (39 female) who all shared a common “focal fear” diagnosis (i.e., specific phobia or performance-only social anxiety disorder), but varied in levels of comorbid anxiety and depression. After listening to standardized descriptions of negative and neutral scenes, participants imagined these scenes as vividly as possible. Associations between categorical and continuous measures of depression, generalized anxiety disorder (GAD), and social anxiety disorder with electrocortical and subjective responses to negative imagery were assessed.
I. Results highlight distinctions between different dimensions of distress-based psychopathology, and reveal the unique and complex contribution of comorbid depression to affective response in anxiety.Patients with acute respiratory distress syndrome and acute kidney injury (AKI) treated by kidney replacement therapy may also require treatment with extracorporeal carbon dioxide removal (ECCO2 R) devices to permit protective or ultraprotective mechanical ventilation. We developed a mathematical model of acid-base balance during extracorporeal therapy using ECCO2 R and continuous venovenous hemofiltration (CVVH) devices applied in series for the treatment of mechanically ventilated AKI patients. Published data from clinical studies of mechanically ventilated AKI patients treated by CVVH at known infusion rates of substitution fluid without ECCO2 R were used to adjust the model parameters to fit plasma levels of arterial partial pressure of carbon dioxide (PaCO2 ), arterial plasma bicarbonate concentration ([HCO3 ]), and plasma pH (as well as certain other unmeasured physiological variables). The effects of applying ECCO2 R at an unchanged and a reduced tidal volume on PaCO2 , [HCO3 ] and plasma pH were then ngle extracorporeal circuit will be similar, independent of their in-series position.
This study evaluated costs and healthcare utilization associated with a culturally-sensitive, medical and education program for pediatric Latino patients with type 1 diabetes.
Program participants included Latino children ages 1-20 years old diagnosed with type 1 diabetes (n=57). Control subjects with type 1 diabetes were matched by age, sex, and zip code to intervention participants from the Colorado All Payer Claims Database. Data included emergency department (ED) visits, hospitalizations, demographic information, and health insurance claims data 180 days prior to program start/index date through 1 year after program start/index date. We tracked program staff time and estimated costs for healthcare utilization using data from the scientific literature. Retatrutide in vivo Generalized Estimating Equation (GEE) models with logit link were used to estimate group differences in probabilities of ED visits and hospitalizations over 6-month periods pre/post-study, accounting for correlation of within-subject data across time points.