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Multicolor Cell Lineage Tracing Using MAGIC Markers Strategies.
Methods Mol Biol
January 2025
Institute for Neuroscience of Montpellier (INM), University of Montpellier, INSERM, Montpellier, France.
Multicolor MAGIC Markers strategies are useful lineage tracing tools to study brain development at a multicellular scale. In this chapter, we describe an in utero electroporation method to simultaneously label multiple neighboring progenitors and their respective progeny using these multicolor reporters. In utero electroporation enables the introduction of any gene of interest into embryonic neural progenitors lining the brain ventricles through a simple pipeline consisting of a micro-injection followed by the application of electrical pulses.
View Article and Find Full Text PDFA Simple Method to Analyze Context- and Tissue-Specific Cis-Regulatory Modulations of Homeotic (HOX) Genes Using ChIP.
Methods Mol Biol
January 2025
Department of Integrative Biology and Physiology, Medical School, Lillehei Heart Institute, University of Minnesota, Minneapolis, MN, USA.
Homeobox genes (HOX), the master regulators, deploy a unique set of target genes to coordinate and orchestrate the spatiotemporal development of an organism. HOX encoded transcriptional factors regulate the expression of target genes by binding to the specific sequences on the genome. Chromatin Immunoprecipitation (ChIP) and Chromatin Immunoprecipitation with Sequencing (ChIP-Seq) are widely used to map and understand specific gene locus and global regulatory regions on the genome.
View Article and Find Full Text PDFTracking Abdominal-B Expression and Function in the Fly Internal Reproductive System by Explants Imaging.
Methods Mol Biol
January 2025
Centro de Biologia Molecular Severo Ochoa (CBM), CSIC-UAM, Madrid, Spain.
Hox genes specify identities mainly in the anteroposterior axis in various animal tissues, some of them forming part of the internal organs and systems. The expression and activity of these genes have been analyzed mainly in Drosophila melanogaster, the fruit fly, and in mouse; in the former, the functional study of Hox genes has been detailed predominantly in epidermal structures, but their role in internal organs poses some challenges, particularly in pupae. One of these genes, Abdominal-B, dictates the development of many internal organs in the posterior abdomen of the fly, yet techniques for its analysis, like in vivo time-lapse, have long been impractical.
View Article and Find Full Text PDFFacile preparation of a hydrophilic Eu-based ratiometric fluorescent nanosensor for Cu ion detection and imaging in living cells.
Anal Methods
January 2025
Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education), School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430072, China.
In this work, a hydrophilic Eu-based ratiometric fluorescent nanosensor (PAAC-Eu) was developed for Cu ion detection in aqueous solutions and imaging in living cells. The sensor was prepared a simple one-step reaction at room temperature, leveraging the synergistic coordination of commercially accessible polyacrylic acid (PAA) and coumarin-3-carboxylic acid (CCAH) with Eu ions. PAAC-Eu was easy to disperse in aqueous media and exhibited two characteristic emission bands at 406 nm and 618 nm, respectively, upon excitation at 350 nm.
View Article and Find Full Text PDFExploring the potential of the combined diagnostic model of ADC value and bp-MRI VI-RADS in the evaluation of muscle invasion in bladder Cancer.
Abdom Radiol (NY)
January 2025
Department of Radiology, Shengli Clinical Medical College of Fujian Medical University, Fujian Provincial Hospital, Fuzhou University Affiliated Provincial Hospital, Fuzhou, China.
Objective: This study investigates the diagnostic value of Vesical Imaging Reporting and Data System (VI-RADS) in biparametric MRI (bp-MRI) for the detection of muscular infiltration in bladder cancer, and to investigate whether apparent diffusion coefficient (ADC) value can function as a potential indicator of bp-MRI VI-RADS for patient benefit.
Materials And Methods: This single-center retrospective study enrolled 81 patients with pathologically confirmed bladder cancer from October 2019 to November 2021. Two readers independently scored the T2-weighted images and diffusion-weighted images of each index lesion based on the VI-RADS criteria, subsequently deriving the bp-MRI VI-RADS scores.
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