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There are currently no effective treatments to regenerate the heart after cardiac injury. Following cardiac injury, heart muscle cells, also known as cardiomyocytes, die in large numbers. The adult mammalian heart does not have the ability to replace these dead cardiomyocytes. In their place, fibroblasts invade the injury zone and generate a scar. The scar impairs cardiac function. An important approach to cardiac regeneration is direct cardiac reprogramming, whereby cardiac fibroblasts within the scar are directly converted into functional cardiomyocytes. Several laboratories have achieved direct cardiac reprogramming via overexpression of the cardiac transcription factors. In contrast, we utilize a combination of four miRNAs (miR-1, miR-133, miR-208, miR-499) that we call miR Combo. One common issue regarding direct cardiac reprogramming strategies is low efficiency. Recently, we have demonstrated that the efficiency of direct cardiac reprogramming is enhanced in the chemically defined reprogramming media.Over the last decade, great achievements have been made in the field of direct epigenetic reprogramming, which converts one type of adult somatic cells into another type of differentiated cells, such as direct reprogramming of fibroblasts into cardiomyocytes, without passage through an undifferentiated pluripotent stage. Discovery of direct cardiac reprogramming offers a promising therapeutic strategy to prevent/attenuate cardiac fibrotic remodeling in a diseased heart. Furthermore, in vitro reprogramming of fibroblasts into cardiomyocyte-like cells provides new avenues to conduct basic mechanistic studies, to test drugs, and to model cardiac diseases in a dish. Here, we describe a detailed step-by-step protocol for in vitro production of induced cardiomyocyte-like cells (iCMs) from fibroblasts. PD173212 research buy The related procedures include high-quality fibroblast isolation of different origins (neonatal cardiac, tail-tip, and adult cardiac fibroblasts), retroviral preparation of reprogramming factors, and iCM generation by fibroblast reprogramming via retroviral transduction of Gata4, Mef2c, and Tbx5. link2 A detailed written protocol will help many other laboratories, inexperienced in this area, to use and further improve this technology in their studies of cardiac regenerative medicine.Somatic cell nuclear transfer (SCNT) is a promising method to establish genetically modified monkeys with identical genetic background as models in biomedical research. We have recently cloned monkeys by optimization of the SCNT protocols and inclusion of the epigenetic modulator. Here, we describe the protocol for generation of cloned monkeys by somatic cell nuclear transfer.Porcine cloning technology can be used to produce progenies genetically identical to the donor cells from high-quality breeding pigs. In addition, genetically modified pigs have been produced by somatic cell nuclear transfer using genetically modified porcine fetal fibroblasts. The method of preparing genetically modified pigs is critical for establishing pig models for human diseases, and for generating donor animals for future xenotransplantation. This chapter describes detailed procedures for generating cloned pigs using fetal fibroblasts as nuclear donors.
The aims of the present study, conducted in two regions of Italy, Calabria and Piedmont, were to assess the use of inappropriate drugs according to the Beers Criteria and to study the possible drug-drug interactions.
Data were obtained retrospectively from 972 residential care patients between 2016 and 2018. Mean age was 82.4 ± 8.4years, with a prevalence of women (64.8%). Activities of daily living, instrumental activities of daily living, Mini-Mental State Examination, Cumulative Illness Rating Scale, Neuropsychiatric Inventory Scale and number and kind of drugs were recorded. A classification of potential inappropriate drugs was made according to the Beers criteria. Data were collected through an Excel file able to gather the main information. In the case of suspected adverse event, Naranjo Scale was applied. The study of possible drug-drug interactions was made by Micromedex 2.0.
Functional and cognitive impairments, comorbidities and number of drugs were assessed. The bivariate relationship between number of drugs and glomerular filtration rate assessed by CKD-EPI showed that the higher was the number of drugs used, the worst was kidney function assessment (p = 0.0001). The most frequent inappropriate drugs were anticholinergic drugs, tricyclics antidepressants, long-half-life benzodiazepines, antipsychotics and proton pump inhibitors.
These data are very interesting and show the need for an accurate choice of drugs in elderly people and for starting a wise deprescribing procedure.
These data are very interesting and show the need for an accurate choice of drugs in elderly people and for starting a wise deprescribing procedure.
Pre-surgical psychosocial evaluation of bariatric surgery (BS) patients should identify psychiatric issues that could worsen after surgery and those requiring additional ongoing intervention. In this view, the use of reliable, appropriate and concise evaluating instruments is of critical importance. The aim of the present study was to investigate the clinical utility of both the Symptom Checklist 90-Revised (SCL-90-R) and its brief unidimensional version, the so-called Symptom-Checklist-K-9 (SCL-K-9) in detecting the presence of psychiatric disorders among bariatric surgery (BS) candidates.
Seven-hundred-and-ninety-eight BS candidates (563 women and 235 men; mean age 44.15 ± 11.45) were enrolled in the present study. All participants underwent a full psychiatric interview and were administered the SCL-90-R.
Three-hundred-and-sixty-two patients (45.4%) met the criteria for a diagnosis of at least one psychiatric disorder and ninety-nine patients (12.4%) had psychiatric comorbidities. In the current sample, 219 patients (27.4%) met the criteria for binge eating disorders (BED), 158 (19.8%) met the criteria for major depressive disorder (MDD), and 67 (8.4%) met both criteria. A receiver operating characteristic (ROC) curves procedure showed that both the SCL-90-R and the SCL-K-9 satisfactorily categorize patients with any psychiatric disorder, both BED and MDD (area under the ROC curve ≥ 0.70, p < 0.001).
Our results suggest that the SCL-90-R and the SCL-K-9 may represent first-level screening tests identifying at-risk patients, eligible for a more expensive or time-consuming clinical assessment.
Level V, cross-sectional, descriptive study.
Level V, cross-sectional, descriptive study.
A considerable minority of patients on waiting lists for kidney transplantation either have no diagnosis (and fall into the subset of undiagnosed cases) because kidney biopsy was not performed or histological findings were non-specific, or do not fall into any well-defined clinical category. Some of these patients might be affected by a previously unrecognised monogenic disease.
Through a multidisciplinary cooperative effort, we built an analytical pipeline to identify patients with chronic kidney disease (CKD) with a clinical suspicion of a monogenic condition or without a well-defined diagnosis. Following the stringent phenotypical and clinical characterization required by the flowchart, candidates meeting these criteria were further investigated by clinical exome sequencing followed by in silico analysis of 225 kidney-disease-related genes.
By using an ad hoc web-based platform, we enrolled 160 patients from 13 different Nephrology and Genetics Units located across the Piedmont region over 15months. pected applications.
Dual-task training has beneficial effects on older individuals for gait and cognition. This study was aimed to make a comparison between the effects of individual progressive single- and dual-task training on gait and cognition among healthy older individuals.
A total of 32 participants were divided randomly into two groups as the single-task group (n = 16, 64.6 ± 3.3years, 7 males and 9 females) and dual-task group (n = 16, 65.6 ± 2.6years, 8 males and 8 females). The 10-m walk test with the LEGSys device was used to assess spatio-temporal gait parameters. The cognitive parameters were evaluated using the Standardized Mini-Mental State Exam and Stroop Test. An individual progressive 60min single- and dual-task training programs were applied twice per week for a period of 6weeks.
There were significant differences for both gait and cognition variables in the dual-task training group (p < 0.05), according to the comparison of pre- and post-treatment results. In the single-task training group, there were significant differences only in gait parameters with single-task conditions (p < 0.05). link3 The comparisons of the delta values between the groups indicated that the dual-task training group was better compared to the single-task training group in gait speed, cadence, and many cognitive variables (p < 0.05).
Individual progressive dual-task training is an effective and useful method that improves gait performance and cognitive skills among older individuals.
NCT03777111, 12/13/2018.
NCT03777111, 12/13/2018.
To compare the psychometric properties of three OHRQoL indicators (GOHAI, OHIP-14, and OHIP-EDENT) in a group of complete edentulous subjects and to explore the ability of these instruments to distinguish between individuals with different prosthetic and oral health status.
This was a cross-sectional study. Edentulous individuals aged 60years and more were recruited between January 2019 and February 2020 in a medical and dental care centers. The Lebanese versions of GOHAI, OHIP-14, and OHIP-EDENT were used. External and internal consistencies were assessed using intraclass correlation coefficient (ICC) and Cronbach alpha, respectively. The concurrent validity was evaluated by testing the indicators against a proxy measure of a similar concept. To test their discriminative abilities, the ADD (GOHAI and OHIP) and SC (GOHAI and OHIP) scores were dichotomized according to the 25th and 75th percentile, respectively, and multivariate analyses were performed using sociodemographic, clinical, and subjective healt assess the perception of oral health in edentulous individuals. More prospective studies are required to compare their evaluative properties.
The OHIP-EDENT was more effective in identifying edentulous individuals with oral and prosthetic problems. Our results can help decide which dental instrument to use to assess the perception of oral health in edentulous individuals. More prospective studies are required to compare their evaluative properties.Food allergy has been rising in prevalence over the last two decades, affecting more than 10% of the world population. Current management of IgE-mediated food allergy relies on avoidance and rescue medications; research into treatments that are safer and providing guaranteed and durable curative effects is, therefore, essential. T-cell epitope-based immunotherapy holds the potential for modulating food allergic responses without IgE cross-linking. In this chapter, we describe the methods in evaluating the therapeutic capacities of immunodominant T-cell epitopes in animal models of food allergy. Moreover, we explain in detail the methods to measure the allergen-specific antibody levels, prepare single-cell suspension from spleen, and prepare small intestine for immunohistochemical analysis of eosinophils and Foxp3+ cells.
Website: https://www.selleckchem.com/products/pd173212.html
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