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Bronchial smooth muscle (BSM) remodelling in asthma is related to an increased mitochondrial biogenesis and enhanced BSM cell proliferation in asthma. Since (i) mitochondria produce the highest levels of cellular energy and (ii) fatty acid beta-oxidation is the most powerful way to produce ATP, we hypothesized that, in asthmatic BSM cells, energetic metabolism is shifted towards the beta-oxidation of fatty acids.
We aimed to characterize BSM cell metabolism in asthma both
and
to identify a novel target for reducing BSM cell proliferation.
Twenty-one asthmatic and 31 non-asthmatic patients were enrolled. We used metabolomic and proteomic approaches to study BSM cells. Oxidative stress, ATP synthesis, fatty acid endocytosis, metabolite production, metabolic capabilities, mitochondrial networks, cell proliferation and apoptosis were assessed on BSM cells. Fatty acid content was assessed
using MALDI-spectrometry imaging.
Asthmatic BSM cells were characterized by an increased rate of mitochondrial respiration with a stimulated ATP production and mitochondrial β-oxidation. Fatty acid consumption was increased in asthmatic BSM both
and
. Proteome remodelling of asthmatic BSM occurred
2 canonical mitochondrial pathways. The levels of CPT2 and LDL-receptor, which internalize fatty acids through mitochondrial and cell membranes, respectively, were both increased in asthmatic BSM cells. Blocking CPT2 or LDL-receptor drastically and specifically reduced asthmatic BSM cell proliferation.
This study demonstrates a metabolic switch towards mitochondrial beta-oxidation in asthmatic BSM and identifies fatty acid metabolism as a new key target to reduce BSM remodelling in asthma.
This study demonstrates a metabolic switch towards mitochondrial beta-oxidation in asthmatic BSM and identifies fatty acid metabolism as a new key target to reduce BSM remodelling in asthma.We report the assembly and annotation of 10 different black yeast genomes from microbiome metagenomic data derived from biofouled plastic fabrics. The draft genomes are estimated to be 9 to 33.2 Mb, with 357 to 5,108 contigs and G+C contents of 43.9% to 57.4%, and they harbor multiple genes for hydrocarbon adaptation and degradation.Here, we report the draft genome sequences of avian Chlamydia abortus genotype G2 strain 15-49d3, isolated from mallard, and genotype 1V strain 15-58d44, isolated from magpie in Poland. Benzylamiloride chemical structure The total genome assembly lengths are 1,140,139 bp and 1,158,207 bp, respectively.We report the complete genome sequence of Bifidobacterium longum subsp. longum JCM7052, isolated from human feces in Japan. This strain has the capability of growing on and utilizing gum arabic as an energy source. The complete genome is 2,273,627 bp long, with 1,929 protein-coding genes and 59.9 mol% G+C content.Here, we present the draft genome sequence of Bordetella sp. strain FB-8, a mixotrophic iron-oxidizing bacterium isolated from creek sediment in the former uranium-mining district of Ronneburg, Germany. To date, iron oxidation has not been reported in Bordetella species, indicating that FB-8 may be an environmentally important Bordetella sp.Bluetongue is one of the major diseases of ruminants listed by the World Organisation for Animal Health. Bluetongue virus serotype 8 (BTV-8) has been considered enzootic in France since 2018. Here, we report the nearly complete genome sequences of two BTV-8 isolates from the 2020 outbreak in the Grand Duchy of Luxembourg.We report here the complete genome sequence of Geobacter sp. strain SVR, isolated from antimony mine soil in Nakase Mine, Hyogo Prefecture, Japan. SVR strains proliferate using antimonate [Sb(V)] as an electron acceptor, providing insights into the antimony reduction mechanism.Colistin has been classified as a highest priority critically important antibiotic. However, the emergence of mobile colistin resistance (mcr) genes has threatened the therapeutic uses of colistin. Here, we report the draft genome sequences, antibiotic resistance genes, and sequence types (STs) of two multidrug-resistant and mcr-1.1-positive Escherichia coli strains isolated from irrigation water.HarryOW and Peeb are Mycobacterium smegmatis mc2 155 Siphoviridae temperate phages with 52,935 and 41,876 base pairs in genome length, respectively. HarryOW belongs to the A1 subcluster and Peeb to the G1 subcluster. They were isolated and annotated by students from the SUNY Old Westbury Science and Technology Entry Program.Polyomaviridae members are DNA viruses that infect a variety of species. Since the first polyomavirus was isolated in 1953, technological advancements have led to the discovery of many polyomaviruses in multiple species. The Polyomavirus Episteme curates data about each polyomavirus, drawing from public databases to present known taxonomic, genomic, and clinical information about polyomaviruses.Actinomyces sp. HMT897 strain ORNL0104 was isolated from a human saliva sample and can serve as a host for the ectobiont Saccharibacteria (TM7) HMT351. Its 3.3-Mb chromosome was completely sequenced using PacBio long reads, and it encodes 2,407 proteins and 63 RNAs.In 2020, as a 24-year-old MD PhD student studying cardiovascular population health, I suffered a non-ST elevated myocardial infarction while playing basketball. It was confirmed the cause was familial hypercholesterolemia leading to 95%+ occlusions of both the left anterior descending and left circumflex arteries. The following reflective essay describes my experience as a patient grappling with his own mortality and how those experiences have shaped how I now view my purpose as a future physician. The purpose of this essay is to encourage all physicians and physicians in training to practice reflection and to allow themselves to fully experience the pain and suffering of the patients for whom they care, even amidst times of personal uncertainty.
To understand changes in reasons for visit to primary care in the face of an aging population, growing evidence for proactive preventive and chronic disease services, and the rise of the chronic care model.
We examined the reason for visits to primary care physicians using the National Ambulatory Medical Care Survey (NAMCS) from 1980-2015.
Among all physicians, the percent of visits for prevention increased from 17% in 2001 to 20% in 2015. Among visits to primary care, most continued to be for acute problems - with the percent of visits for acute illness declining over the past 15 years, after remaining steady for two decades. Preventive care visits increased from 19% in 2001 to 26% in 2015. The percent of primary care visits for chronic conditions declined between 1980 and 2000, and then remained steady, accounting for 30% in 2001 and 31% in 2015.
Growing emphasis on chronic disease management is not reflected in the percent of primary care visits for chronic illness. This study highlights the potential utility of longitudinal data within a historical interpretive frame, while raising questions about the utility of using a main reason for visit to classify complex primary care visits.
Here's my website: https://www.selleckchem.com/products/benzamil-hydrochloride.html
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