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Revisiting hydrogen peroxide as radiosensitizer for solid tumor cells.
Radiother Oncol
December 2024
Department of Radiotherapy, UZ Brussel, Vrije Universiteit Brussel, 1090 Brussels, Belgium. Electronic address:
Background And Purpose: Tumor hypoxia is the principal cause of clinical radioresistance. Despite its established role as radiosensitizer, hydrogen peroxide (HO) encounters clinical limitations due to stability and toxicity concerns. Recent advancements in drug delivery combine HO with sodium hyaluronate (SH), enabling intratumoral administration of HO.
View Article and Find Full Text PDFGenetic analysis of partial duplication of the long arm of chromosome 16.
BMC Med Genomics
December 2024
Department of Pediatrics, Sichuan Provincial Woman's and Children's Hospital, The Affiliated Women's and Children's Hospital of Chengdu Medical College, Chengdu, China.
Background: Pure partial trisomy 16q12.1q22.1 is a rare chromosome copy number variant (CNV).
View Article and Find Full Text PDFGenome concentration limits cell growth and modulates proteome composition in .
Elife
December 2024
Howard Hughes Medical Institute, Stanford University, Stanford, United States.
Defining the cellular factors that drive growth rate and proteome composition is essential for understanding and manipulating cellular systems. In bacteria, ribosome concentration is known to be a constraining factor of cell growth rate, while gene concentration is usually assumed not to be limiting. Here, using single-molecule tracking, quantitative single-cell microscopy, and modeling, we show that genome dilution in cells arrested for DNA replication limits total RNA polymerase activity within physiological cell sizes across tested nutrient conditions.
View Article and Find Full Text PDFCyclosporine A Delays the Terminal Disease Stage in the Tfam KO Mitochondrial Myopathy Mouse Model Without Improving Mitochondrial Energy Production.
Muscle Nerve
December 2024
Aix-Marseille Univ, CNRS, CRMBM, Marseille, France.
Introduction And Aims: Mitochondrial myopathies are rare genetic disorders for which no effective treatment exists. We previously showed that the pharmacological cyclophilin inhibitor cyclosporine A (CsA) extends the lifespan of fast-twitch skeletal muscle-specific mitochondrial transcription factor A knockout (Tfam KO) mice, lacking the ability to transcribe mitochondrial DNA and displaying lethal mitochondrial myopathy. Our present aim was to assess whether the positive effect of CsA was associated with improved in vivo mitochondrial energy production.
View Article and Find Full Text PDFCHD3-related Snijders Blok-Campeau syndrome with Spastic Paraplegia, Ataxia, and Situs Inversus.
Eur J Med Genet
December 2024
First Department of Neurology, First Affiliated Hospital of Kunming Medical University, Kunming 650000, China. Electronic address:
The Chromodomain Helicase DNA-binding (CHD) protein family is ATP-dependent chromatin remodeling proteins that utilize energy produced by ATP hydrolysis to regulate chromatin structure and thereby modulate gene expression. The earliest report of a CHD3 gene mutation was by O'Roak, who found it during whole exome sequencing of 189 autism families in 2012. In 2018, Snijders Blok systematically assessed the autosomal dominant neurodevelopmental disorder caused by CHD3 gene damage, known as Snijders Blok-Campeau syndrome (SNIBCPS, OMIM 618205).
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