In this work we explore the ability of a chimeric LNA/DNA bent duplex, in which the kink is induced by 2 unpaired adenines in the middle of one strand, to bind HMGB1, a protein involved in many inflammatory processes. The LNA/DNA duplex was compared with the corresponding full DNA and PNA/DNA chimera duplexes from a thermodynamic and spectroscopic point of view.
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http://dx.doi.org/10.1080/15257770701542330 | DOI Listing |
Anal Chim Acta
October 2023
West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu, 610041, China. Electronic address:
The development of label-free and sensitive detection of pathogenic bacteria is of great significance for disease prevention and public health protection. In this study, an originally bent structure, named as J-shaped optical fiber probe, was first designed to engineer a localized surface plasmon resonance (LSPR) aptamer biosensor for the rapid and ultrasensitive detection of Helicobacter pylori (H. pylori).
View Article and Find Full Text PDFNucleic Acids Res
June 2023
Department of Chemistry, Johns Hopkins University, 3400 N. Charles Street,Baltimore, MD21218, USA.
Photochemical dimerization of adjacent pyrimidines is fundamental to the creation of mutagenic hotspots caused by ultraviolet light. Distribution of the resulting lesions (cyclobutane pyrimidine dimers, CPDs) is already known to be highly variable in cells, and in vitro models have implicated DNA conformation as a major basis for this observation. Past efforts have primarily focused on mechanisms that influence CPD formation and have rarely considered contributions of CPD reversion.
View Article and Find Full Text PDFMol Ther Nucleic Acids
June 2023
Department of Medical BioSciences, Research Institute for Medical Innovation, Radboud University Medical Center, 6525 GA Nijmegen, the Netherlands.
Antisense oligonucleotide (ASO) therapies for myotonic dystrophy type 1 (DM1) are based on elimination of transcripts containing an expanded repeat or inhibition of sequestration of RNA-binding proteins. This activity is achievable by both degradation of expanded transcripts and steric hindrance, although it is unknown which approach is superior. We compared blocking ASOs with RNase H-recruiting gapmers of equivalent chemistries.
View Article and Find Full Text PDFPLoS One
November 2022
Department of Biology, Indiana University-Purdue University Indianapolis, Indianapolis, IN, United States of America.
E26 transformation specific (ETS) family transcription factors are expressed during embryogenesis and are involved in various cellular processes such as proliferation, migration, differentiation, angiogenesis, apoptosis, and survival of cellular lineages to ensure appropriate development. Dysregulated expression of many of the ETS family members is detected in different cancers. The human ELF3, a member of the ETS family of transcription factors, plays a role in the induction and progression of human cancers is well studied.
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