Eight-hydroxyquinolines (8HQs) are a class of compounds that have been identified as potential therapeutics for a number of neurodegenerative diseases. Understanding the influence of structural modifications to the 8HQ scaffold on cellular behaviour will aid the identification of compounds that might be effective in treating dementias. In this study, we describe the action of 2-[(dimethylamino)methyl]-8-hydroxyquinoline (DMAMQ) on adult murine neural stem cells (NSCs) cultured in vitro. Treatment of NSCs with DMAMQ resulted in enhanced self-renewal and increased neurite outgrowth. Concurrent with the positive growth effects was an increase in intracellular reactive oxygen species, with the growth being inhibited by inactivation of the NADPH oxidase (Nox) enzyme family. Our results indicate that DMAMQ can stimulate neurogenesis via the Nox signalling pathway, which may provide therapeutic benefit in treating dementias of various types by replenishing neurones using the brain's own reserves. The narrow concentration range over which these effects were observed, however, suggests that there may exist only a small therapeutic window for neuro-regenerative applications.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1007/s12013-016-0747-4 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Single cell approaches define neural stem cell niches and identify microglial ligands that can enhance precursor-mediated oligodendrogenesis.
Cell Rep
January 2025
Michael Smith Laboratories, University of British Columbia, Vancouver, BC V6T 1Z4, Canada; Department of Medical Genetics, University of British Columbia, Vancouver, BC V6T 1Z3, Canada; Program in Neurosciences and Mental Health, Hospital for Sick Children, Toronto, ON M5G 0A4, Canada; Institute of Medical Science, University of Toronto, Toronto, ON M5S 1A8, Canada; Department of Molecular Genetics, University of Toronto, Toronto, ON M5S 1A8, Canada. Electronic address:
Here, we used single cell RNA sequencing and single cell spatial transcriptomics to characterize the forebrain neural stem cell (NSC) niche under homeostatic and injury conditions. We defined the dorsal and lateral ventricular-subventricular zones (V-SVZs) as two distinct neighborhoods and showed that, after white matter injury, NSCs are activated to make oligodendrocytes dorsally for remyelination. This activation is coincident with an increase in transcriptionally distinct microglia in the dorsal V-SVZ niche.
View Article and Find Full Text PDFNerve-Derived Extracellular Matrix Promotes Neural Differentiation of Bone Marrow Stromal Cells and Enhances Interleukin-4 Efficacy for Advanced Nerve Regeneration.
Adv Healthc Mater
January 2025
Department of Orthopedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Zhejiang, 325000, P. R. China.
Facilitating neuronal differentiation of stem cells and microenvironment remodeling are the key challenges in cell-based transplantation strategies for central nervous system regeneration. Herein, the study harnesses the intrinsic pro-neural differentiation potential of nerve-derived extracellular matrix (NDEM) and its specific affinity for cytokines to develop an NDEM-gelatin methacryloyl(gelMA)-based bifunctional hydrogel delivery system for stem cells and cytokines. This system promotes the neural differentiation of bone marrow stromal cells (BMSCs) and optimizes the therapeutic index of Interleukin-4 (IL-4) for spinal cord injury (SCI) treatment.
View Article and Find Full Text PDFGraph Neural Networks-Based Prediction of Drug Gene Interactions of RTK-VEGF4 Receptor Family in Periodontal Regeneration.
J Clin Exp Dent
December 2024
DDS. Titular Professor. Universidad de Antioquia U de A, Medellín, Colombia. Biomedical Stomatology Research Group, Universidad de Antioquia U de A, Medellín, Colombia.
Background: The RTK-VEGF4 receptor family, which includes VEGFR-1, VEGFR-2, and VEGFR-3, plays a crucial role in tissue regeneration by promoting angiogenesis, the formation of new blood vessels, and recruiting stem cells and immune cells. Machine learning, particularly graph neural networks (GNNs), has shown high accuracy in predicting these interactions. This study aims to predict drug-gene interactions of the RTK-VEGF4 receptor family in periodontal regeneration using graph neural networks.
View Article and Find Full Text PDFAn Acellular Platform to Drive Urinary Bladder Tissue Regeneration.
Adv Ther (Weinh)
January 2025
Department of Urology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA; Division of Pediatric Urology, Department of Surgery, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL 60611, USA; Center for Regenerative Nanomedicine, Northwestern University, Chicago, IL 60611, USA; Department of Biomedical Engineering, McCormick School of Engineering, Northwestern University, Evanston, IL 60208, USA.
Impaired bladder compliance secondary to congenital or acquired bladder dysfunction can lead to irreversible kidney damage. This is managed with surgical augmentation utilizing intestinal tissue, which can cause stone formation, infections, and malignant transformation. Co-seeded bone marrow mesenchymal stem cell (MSC)/CD34+ hematopoietic stem cell (HSPC) scaffolds (PRS) have been successful in regenerating bladder tissue.
View Article and Find Full Text PDFAssessing the Effect of Fatigue on Swallowing Function in Adults with Acute Stroke. A Pilot Study.
Arch Rehabil Res Clin Transl
December 2024
Peninsula Hospital Center, Department of Speech-Language Pathology and Audiology, Far Rockaway, NY.
Objective: To determine if fatigue systematically effects the timing of swallowing events and to discuss underlying causes of fatigue other than peripheral neuromuscular fatigue.
Design: Pre-post within-subject repeated-measures design.
Setting: General acute care hospital and designated stroke center.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!