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Background: As single-cell sequencing technologies continue to advance, the growing volume and complexity of the ensuing data present new analytical challenges. Large cellular populations from single-cell atlases are more difficult to visualize and require extensive processing to identify biologically relevant subpopulations. Managing these workflows is also laborious for technical users and unintuitive for nontechnical users.
Results: We present TooManyCellsInteractive (TMCI), a browser-based JavaScript application for interactive exploration of cell populations. TMCI provides an intuitive interface to visualize and manipulate a radial tree representation of hierarchical cell subpopulations and allows users to easily overlay, filter, and compare biological features at multiple resolutions. Here we describe the software architecture and demonstrate how we used TMCI in a pan-cancer analysis to identify unique survival pathways among drug-tolerant persister cells.
Conclusions: TMCI will facilitate exploration and visualization of large-scale sequencing data in a user-friendly way. TMCI is freely available at https://github.com/schwartzlab-methods/too-many-cells-interactive. An example tree from data within this article is available at https://tmci.schwartzlab.ca/.
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http://dx.doi.org/10.1093/gigascience/giae056 | DOI Listing |
Carbohydr Polym
November 2025
College of Material Science and Engineering, Huaqiao University, Engineering Research Center of Environment-Friendly Functional Materials, Ministry of Education, Xiamen 361021, China. Electronic address:
This study reports the green and efficient synthesis of two novel categories of quaternary ammonium chitosan derivatives via ion-exchange, aiming to enhance their biological activities and expand potential applications. Para-aminobenzoic acid (PABA) was reacted with five- and six-membered heteroaromatic aldehydes to form Schiff bases, which were ionized and introduced into two types of quaternary ammonium chitosan: N-(2-hydroxypropyl) trimethylammonium chloride chitosan (HACC) and N, N, N-trimethyl chitosan iodide (TMCI). by replacing chloride and iodide ions.
View Article and Find Full Text PDFInt J Biol Macromol
May 2025
College of Material Science and Engineering, Huaqiao University, Engineering Research Center of Environment-Friendly Functional Materials, Ministry of Education, Xiamen 361021, China. Electronic address:
To enhance the bioactivity of chitosan and broaden its application scope, two distinct types of zwitterionic-quaternary ammonium derivatives and four specific configurations of dual-modified zwitterionic and quaternary ammonium chitosan derivatives were synthesized. The resulting products were structurally characterized using Fourier transform infrared spectroscopy (FTIR), proton nuclear magnetic resonance (H NMR), X-ray diffraction (XRD), and thermogravimetric analysis (TGA). Their antibacterial, antioxidant properties, and biocompatibility were also evaluated.
View Article and Find Full Text PDFGigascience
January 2024
Princess Margaret Cancer Centre, University Health Network, Toronto, ON M5G 1L7, Canada.
J Clin Oncol
January 2023
Department of Medical Oncology, Tata Memorial Hospital, Homi Bhabha National Institute (HBNI), Mumbai, India.
Front Aging Neurosci
May 2022
Department of Nursing, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
Objective: To investigate the effects of sport stacking on the overall cognition and brain function in patients with mild Alzheimer's disease (AD) and mild cognitive impairment (MCI).
Methods: A single-blind randomized controlled design was performed using sport stacking for 30 min, 5 days/week for 12 weeks. Forty-eight subjects with mild AD or MCI were randomly divided into the sport stacking group (T-mAD = 12, T-MCI = 12) and the active control group (C-mAD = 11, C-MCI = 13).