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Tertiary lymphoid structures in colorectal cancer - organization and immune cell interactions.
Am J Clin Exp Immunol
December 2024
Department of Surgery, Medical Faculty, Trakia University Stara Zagora, Bulgria.
Tertiary lymphoid structures (TLS), formerly recognized as Crohn's-like structures, serve as crucial biomarkers for evaluating the progression of colorectal cancer (CRC). Understanding their spatial distribution, cellular composition, and interactions within CRC is paramount for comprehending the immune response in the tumor microenvironment (TME). TLS are comprised of a T-cellular compartment and a B-cellular compartment, the latter encompassing follicular dendritic cells (FDCs), high endothelial venules (HEVs), and lymphatic vessels.
View Article and Find Full Text PDFEssential tremor (ET) is one of the most prevalent nerve-related movement disorders, most commonly affecting the hands during voluntary movements or while maintaining posture. Unlike tremors in neurodegenerative conditions, ET is not observed at rest. Continued research is essential to optimize treatment strategies and address the unmet need for sustainable, patient-centered therapies that minimize side effects and enhance long-term quality of life (QoL) for individuals with ET.
View Article and Find Full Text PDFAcetylcholine modulates the network physiology of the hippocampus, a crucial brain structure that supports cognition and memory formation in mammals . In this and adjacent regions, synchronized neuronal activity within theta-band oscillations (4-10Hz) is correlated with attentive processing that leads to successful memory encoding . Acetylcholine facilitates the hippocampus entering a theta oscillatory regime and modulates the temporal organization of activity within theta oscillations .
View Article and Find Full Text PDFSubsets of extraocular motoneurons produce kinematically distinct saccades during hunting and exploration.
Curr Biol
January 2025
Department of Neuroscience, Physiology & Pharmacology, UCL, Gower Street, London WC1E 6BT, UK. Electronic address:
Animals construct diverse behavioral repertoires by moving a limited number of body parts with varied kinematics and patterns of coordination. There is evidence that distinct movements can be generated by changes in activity dynamics within a common pool of motoneurons or by selectively engaging specific subsets of motoneurons in a task-dependent manner. However, in most cases, we have an incomplete understanding of the patterns of motoneuron activity that generate distinct actions and of how upstream premotor circuits select and assemble such motor programs.
View Article and Find Full Text PDFDissection of the long-range circuit of the mouse intermediate retrosplenial cortex.
Commun Biol
January 2025
Key Laboratory of Biomedical Engineering of Hainan Province, School of Biomedical Engineering, Hainan University, Sanya, China.
The retrosplenial cortex (RSP) is a complex brain region with multiple interconnected subregions that plays crucial roles in various cognitive functions, including memory, spatial navigation, and emotion. Understanding the afferent and efferent connectivity of the RSP is essential for comprehending the underlying mechanisms of its functions. Here, via viral tracing and fluorescence micro-optical sectioning tomography (fMOST), we systematically investigated the anatomical organisation of the upstream and downstream circuits of glutamatergic and GABAergic neurons in the dorsal and ventral RSP.
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