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Filename: controllers/Detail.php
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File: /var/www/html/application/controllers/Detail.php
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File: /var/www/html/index.php
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Erythromycin (ERY), azithromycin (AZI) and telithromycin (TEL) are widely-used macrolide antibiotics that are frequently detected in various water environments, including resource water and drinking water. In the performed chlorination disinfection process, at least 10, 20 and 200 new disinfection byproducts of ERY, AZI and TEL, respectively, were observed (the mixtures of the disinfection byproducts of ERY, AZI and TEL were named ERY-M, AZI-M and TEL-M, respectively). There is limited information available regarding their comparative toxicities, and their potential health risks are still unknown. In this study, the Jurkat cell line was used to compare the toxicities of the disinfection byproduct mixtures and their precursor compounds. The cell viability results indicated that the toxicity of ERY-M may not be enhanced after disinfection by chlorination. In contrast, at the same concentrations, AZI-M and TEL-M induced more significant inhibitory effects on cell viability than their parent compounds. Additionally, the total antioxidant capacity (T-AOC) and cell cytokine release (including interleukin-2, interleukin-8 and tumor necrosis factor-α) analyses of AZI-M and TEL-M further verified these results. Our findings demonstrate that the cytotoxicity of AZI and TEL was enhanced during the chlorination disinfection process. This investigation will provide substantial new details related to the toxicity of the mixed disinfection byproducts (DBPs) of ERY, AZI and TEL generated in the chlorination disinfection process.
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http://dx.doi.org/10.1016/j.ecoenv.2019.109415 | DOI Listing |
Ecotoxicol Environ Saf
October 2019
Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control and Prevention, Beijing, 100013, China. Electronic address:
Erythromycin (ERY), azithromycin (AZI) and telithromycin (TEL) are widely-used macrolide antibiotics that are frequently detected in various water environments, including resource water and drinking water. In the performed chlorination disinfection process, at least 10, 20 and 200 new disinfection byproducts of ERY, AZI and TEL, respectively, were observed (the mixtures of the disinfection byproducts of ERY, AZI and TEL were named ERY-M, AZI-M and TEL-M, respectively). There is limited information available regarding their comparative toxicities, and their potential health risks are still unknown.
View Article and Find Full Text PDFChem Sci
April 2018
College of Chemistry and Molecular Sciences , Key Laboratory of Biomedical Polymers of Ministry of Education , The Institute for Advanced Studies , Hubei Province Key Laboratory of Allergy and Immunology , Wuhan University, Wuhan , Hubei 430072 , P. R. China . Email: ; Email: ; ; Tel: +86-27-68756663.
5-Formylcytosine (5fC) is known as one of the key players in the process of active DNA demethylation and displays essential epigenetic functions in mammals. In spite of the blooming development of whole genome sequencing methods for this modified cytosine base, the easily operated gene specific-loci detection of 5fC has rarely been reported. Herein, we present a compound-mediated analysis of the content and site of 5fC by the polymerase chain reaction (PCR) assay.
View Article and Find Full Text PDFAutophagy
October 2016
kb Emory University, School of Medicine, Department of Microbiology and Immunology , Atlanta , GA , USA.
Int J Antimicrob Agents
June 2005
Center of Anti-Infective Research and Development, Hartford Hospital, 80 Seymour Street, Hartford, CT 06102, USA.
Telithromycin (TEL) is a ketolide antimicrobial agent with in vitro activity against Streptococcus pneumoniae (SPN), including macrolide resistant strains. The purpose of this study was to assess the efficacy of TEL against clinical SPN isolates with various genotypic mutations including the newly recognized ribosomal mutations. Pneumonia was induced in either immunocompetent and immunosuppressed mice.
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