Arylated cyclobutanes were accessed by a versatile palladium-catalyzed secondary C(sp )-H activation, exploiting chelation assistance by modular triazoles. The C-H arylation led to cyclobutane natural product derivatives in a highly regioselective fashion, setting the stage for the easy access to novel fluorogenic boron-dipyrrin (BODIPY)-labeled probes for live-cell imaging.
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http://dx.doi.org/10.1002/chem.201903461 | DOI Listing |
Health Justice
December 2024
Memorial University of Newfoundland, St. John's, Canada.
Correctional Service Providers (CSP), including Correctional officers (COs), are key front-line figures in prisons globally, with responsibility for a wide range of daily prison operations. Over the past decade, research on prison staff has massively grown. However, the portrait this scholarship draws is concerning.
View Article and Find Full Text PDFBio Protoc
December 2024
Molecular Biophysics Unit, Indian Institute of Science, Bangalore, India.
Cyclic diadenosine monophosphate (c-di-AMP) is a recently discovered second messenger that modulates several signal transduction pathways in bacterial and host cells. Besides the bacterial system, c-di-AMP signaling is also connected with the host cytoplasmic surveillance pathways (CSP) that induce type-I IFN responses through STING-mediated pathways. Additionally, c-di-AMP demonstrates potent adjuvant properties, particularly when administered alongside the Bacillus Calmette-Guérin (BCG) vaccine through mucosal routes.
View Article and Find Full Text PDFProtein Sci
January 2025
Graduate School of Life and Environmental Sciences, Kyoto Prefectural University, Kyoto, Japan.
Antibodies and antibody mimics are extensively used in the pharmaceutical industry, where stringent safety standards are required. Implementing heat sterilization during or after the manufacturing process could help prevent contamination by viruses and bacteria. However, conventional antibodies and antibody mimics are not suitable for heat sterilization because they irreversibly denature at high temperatures.
View Article and Find Full Text PDFOrg Biomol Chem
December 2024
Department of Chemistry, University of Nevada, Reno, 1664 North Virginia Street, Reno, NV 89557, USA.
Cyclization is a widely used approach to exert conformational restraint on linear peptide sequences. Herein, urea bridge chemistry was deployed to achieve side chain-to-side chain peptide cyclization on the CSP1-E1A peptide scaffold. To determine the effects of ring size and bridge position on the overall peptide conformation and find the ideal area within the CSP sequence for cyclization, we performed biological evaluation as well as secondary structure analysis on all the cyclic analogs.
View Article and Find Full Text PDFPeerJ
December 2024
The Second Affiliated Hospital, Soochow University, Soochow, China.
Colorectal polyps are commonly treated with surgical procedures, with cold snare polypectomy (CSP) and endoscopic mucosal resection (EMR) being the two most prevalent techniques. This meta-analysis (PROSPERO ID: CRD42022336152) aimed to compare the efficacy and safety of CSP and EMR in the management of colorectal polyps. Comprehensive searches were conducted in PubMed, Embase, CINAHL, Web of Science, and Cochrane Library databases, covering publications up until June 2024.
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