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The hospital's second challenge represented by the COVID-19 pandemic led to adaptation of the FUEH as a key strategic facility in Northern Israel for treating hundreds of COVID-19 patients. Each solution was supported by innovations targeted for specific purposes and needs.

The function and unique mechanisms used to leverage use of a dual facility was proven viable for several emergency conditions, including the COVID-19 pandemic. Infrastructure and technological flexibility is essential when planning for handling different emergencies situations.
The function and unique mechanisms used to leverage use of a dual facility was proven viable for several emergency conditions, including the COVID-19 pandemic. Infrastructure and technological flexibility is essential when planning for handling different emergencies situations.
This study aimed to prospectively investigate the burden of pertussis in southeast Chinese children hospitalized with lower respiratory tract infection (LRTI) during a pertussis outbreak and to compare the outcomes of Bordetella pertussis infection with or without virus coinfections.

Children < 24months of age hospitalized with LRTI were prospectively enrolled from January 2017 to December 2019. Demographic and clinical information were recorded, and respiratory tract samples were tested for the presence of B. pertussis and ten common viruses by polymerase chain reaction (PCR).

Bordetella pertussis PCR was positive in 6.1% (202/4287) of the patients. Selleck NSC 641530 Only 146 (72.3%) B. pertussis infections met the Centers for Disease Control and Prevention case definition for pertussis. Among the 202 subjects with B. link2 pertussis infections, 81 (40.1%) were coinfected with at least 1 respiratory virus, with human rhinovirus being the most commonly detected virus (25.7%). No differences in clinical severity were observenfected with virus coinfection presented with pneumonia more frequently than those with single B. pertussis infection.
Helicobacter pylori eradication therapy may lead to the perturbation of gut microbiota. We aim to investigate the impact of probiotics on eradication rate and gut microbiota during eradication therapy.

A total of 162 patients receiving bismuth quadruple therapy were enrolled and randomly assigned to groups given probiotics (n = 83) or placebo (n = 79) for 4weeks. Fecal samples were collected before treatment and 2, 4, 6, and 8weeks after eradication therapy. Gut microbiota was analyzed by 16S rRNA high-throughput sequencing.

The eradication rates in the placebo and probiotics group were 82.43% and 87.01%, respectively (P > 0.05). Compared with baseline, alpha and beta diversity was significantly altered 2weeks after eradication in both groups, which was restored at week8. There were no significant differences in diversity between the two groups. H.pylori eradication therapy resulted in enrichment of some detrimental bacteria taxa such as Shigella, Klebsiella, and Streptococcus, while probiotics supplementation could rapidly restore these taxa levels after eradication and increase the taxa of Bacillus and Lactobacillales. Functional analysis revealed that lipopolysaccharide biosynthesis and polymyxin resistance pathways were significantly enriched after eradication, while probiotics supplementation mainly enriched the cofactors and vitamins metabolism pathways. Increased relative abundances of Roseburia and Dialister were associated with the positive eradication outcome.

Probiotics supplementation might help to construct a beneficial profile of gut microbiota after eradication therapy. Specific bacteria taxa are associated with H.pylori eradication outcome. These findings may be of value in rational use of probiotics during H.pylori eradication.

Chinese Clinical Trial Registry, ChiCTR1900022116.
Chinese Clinical Trial Registry, ChiCTR1900022116.Microscale thermophoresis (MST) is a biophysical assay to quantify the interaction between molecules, such as proteins and small molecules. In recent years, the MST assay has been used to detect protein-protein and protein-drug interactions. The assay detects the interaction between molecules by quantifying the thermophoretic movement of fluorescent molecules in response to a temperature gradient. In practice, the fluorescent molecule is mixed with different concentrations of the nonfluorescent ligand, and the mixture of molecules in solution is loaded to capillaries. A temperature gradient is applied to samples in the capillaries, and the movement of the fluorescent molecule in the temperature gradient is detected and recorded. The effect of different concentrations of the nonfluorescent ligand on the movement of the fluorescent molecule is quantified to test for the interaction between molecules. If the fluorescent molecule interacts with the ligand, the molecular properties of the molecules, such as charge, size, and hydration shell, will influence the molecular motility. MST has the advantages of being quantitative and robust. In this chapter, we will use Endosidin2 and its target protein Arabidopsis thaliana EXO70A1 (AtEXO70A1), as an example to show the procedure of using MST to test the interaction between a GFP-tagged protein and a small molecule.Differential scanning fluorimetry (DSF) can be used to detect the binding of a small molecule ligand to a purified target protein. Upon binding with certain ligands, the protein can be stabilized from thermal denaturation. DSF uses a fluorescent dye and Real-Time PCR instrument to detect the unfolding process of proteins during thermal denaturation. The experiment can be set up and finished in 1 day once the purified protein is available.Drug affinity responsive target stability (DARTS) assay is used to detect the interaction between a ligand and a protein based on the observation that some ligands can protect the target protein from degradation by proteases when mixed in a solution. To set up the assay, a ligand is first mixed with a purified candidate target protein or a total cell lysate that contains a candidate target protein. Then, different amounts of protease are added to the mixture to allow the enzyme to digest the protein in the mixture. After protease digestion, the candidate target protein is detected by assays such as western blot, silver staining, or Coomassie blue staining. In theory, the candidate protein should be protected by the ligand from protease digestion, which is reflected by higher abundance of the candidate protein in mixtures containing the ligand compared with the control treatment. There are a few significant advantages of DARTS (a) the ligand does not need to be modified so the native ligand could be used; (b) the candidate target protein could be either purified protein or protein that is present in the total cell lysate; and (c) the assay can be used together with proteomics analysis to identify an unknown target protein. The assay is especially valuable to test the interaction between the ligand and membrane proteins that are often challenging to purify. In this chapter, we use Endosidin2 (ES2) and its target protein Arabidopsis thaliana EXO70A1 (AtEXO70A1) as an example to show the step-by-step procedure of the DARTS assay.Target identification presents one of the biggest challenges to chemical genomic approaches. In recent years, several methods have been applied for target identification and validation in plant cells. Here, we describe a label-free method based on the thermodynamic stabilization of a protein by interaction with a small-molecule ligand. With increasing temperature, proteins undergo thermal denaturation resulting in irreversible aggregation and precipitation. The binding of a small molecule to its target can enhance protein stability resulting in an increased temperature of aggregation (Tagg). This distinct increase in the temperature of aggregation known as a thermal shift can identify a compound-target protein interaction in high-throughput assays or, validate a predicted interaction.Interdisciplinary chemical proteomics approaches have been widely applied to the identification of specific targets of bioactive small molecules or drugs. In this chapter, we describe the application of a cell-permeable activity-based curcumin probe (Cur-P) with an alkyne moiety to detect and identify specific binding targets of curcumin in HCT116 colon cancer cells. Through click chemistry, a fluorescent tag or a biotin tag is attached to the probe-modified curcumin targets for visualization or affinity purification followed by mass spectrometric identification. A quantitative proteomics approach of isobaric tags for relative and absolute quantification (iTRAQ)™ is applied to distinguish specific curcumin targets from nonspecific binding proteins.Auxin plays important roles in almost all aspects of plant growth and development. Chemical genetics is an effective approach to understand auxin action, especially in nonmodel plant species, in which auxin-related mutants are not yet available. Among auxin-related chemical tools, we present approaches to utilize auxin biosynthesis inhibitors. The inhibitors are effective not only to understand auxin biosynthesis but also to understand auxin action. The effectiveness of the inhibitors can be assessed based on in vitro or in vivo assays. The in vitro assay employs enzyme inhibition assays. link3 The in vivo assay employs UPLC-MS/MS-based analysis of endogenous IAA and its intermediates or metabolites.The gaseous hormone ethylene regulates a diverse range of plant development and stress responses. Ethylene biosynthesis is tightly regulated by the transcriptional and posttranscriptional regulation of ethylene biosynthetic enzymes. ACC synthase (ACS) is the rate-limiting enzyme that controls the speed of ethylene biosynthesis in plant tissues, thus serving as a primary target for biotic and abiotic stresses to modulate ethylene production. Despite the critical role of ACS in ethylene biosynthesis, only a few regulatory components regulating ACS stability or ACS transcript levels have been identified and characterized. Here we show a genetic approach for identifying novel regulatory components in ethylene biosynthesis by screening EMS-mutagenized Arabidopsis seeds.Plant stress tolerance relies on intricate signaling networks that are not fully understood. Several plant hormones are involved in the adaptation to different environmental conditions. Abscisic acid (ABA) has an essential role in stress tolerance, especially in the adaptation to drought. During the last years, chemical genomics has gained attention as an alternative approach to decipher complex traits. Additionally, chemical-based strategies have been very useful to untangle genetic redundancy, which is hard to address by other approaches such as classical genetics. Here, we describe the use of an ABA-inducible luciferase (LUC) reporter line for the high-throughput identification of chemical activators of the ABA signaling pathway. In this assay, seven-day-old pMAPKKK18-LUC+ seedlings are grown on 96-well plates and treated with test compounds. Next, the activity of the LUC reporter is quantified semiautomatically by image analysis. Candidate compounds able to activate the reporter are thus identified and subjected to a secondary screen by analyzing their effect on ABA-related phenotypes (e.
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