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Inhibition of RIPK1-driven necroptosis ameliorates inflammatory hyperalgesia caused by lipopolysaccharide: involvement of TLR-, NLRP3-, and caspase-11-mediated signaling pathways.
Cell Mol Biol (Noisy-le-grand)
January 2025
Department of Pharmacology, Faculty of Pharmacy, Mersin University, Mersin, Türkiye.
Article Synopsis
- Recent research indicates that blocking the RIPK1/RIPK3/MLKL necrosome can help reduce inflammatory pain linked to conditions like demyelination in the central nervous system.
- This study tests necrostatin-1s (Nec-1s), a specific RIPK1 inhibitor, on LPS-induced inflammatory pain in male mice, assessing pain sensitivity through hot plate tests and examining related protein changes.
- Results show that Nec-1s not only prevents LPS-induced pain relief but also reverses the activation of key proteins and signals involved in inflammation and demyelination, suggesting that RIPK1 inhibitors could be a promising treatment for managing inflammatory pain.
Fine-Tuned Expression of Evolutionarily Conserved Signaling Molecules in the Notochord.
Int J Mol Sci
December 2024
Department of Molecular Pathobiology, New York University College of Dentistry, 345 E 24th Street, New York, NY 10010, USA.
The notochord is an axial structure required for the development of all chordate embryos, from sea squirts to humans. Over the course of more than half a billion years of chordate evolution, in addition to its structural function, the notochord has acquired increasingly relevant patterning roles for its surrounding tissues. This process has involved the co-option of signaling pathways and the acquisition of novel molecular mechanisms responsible for the precise timing and modalities of their deployment.
View Article and Find Full Text PDFSuperoxide dismutase 2 deficiency in mesenchymal stromal cells induces sympathetic denervation and functional impairment of brown adipose tissue.
Pathol Int
January 2025
Department of Tumor Pathology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
Article Synopsis
- Brown adipose tissue (BAT) is critical for energy consumption, and its dysfunction can lead to metabolic diseases and obesity, especially as we age.
- The study identifies that perineurial cells, which have reduced antioxidant capacity due to lacking superoxide dismutase 2, impair BAT function by causing sympathetic nerve denervation and reducing fat oxidation.
- Targeting Meflin-expressing stromal cells may be a promising strategy to strengthen BAT function and combat age-related metabolic issues.
PlexinD1 is a driver and a therapeutic target in advanced prostate cancer.
EMBO Mol Med
January 2025
Department of Pharmaceutical Sciences, College of Pharmacy and Pharmaceutical Sciences, Washington State University, Spokane, WA, 99202, USA.
Aggressive prostate cancer (PCa) variants associated with androgen receptor signaling inhibitor (ARSI) resistance and metastasis remain poorly understood. Here, we identify the axon guidance semaphorin receptor PlexinD1 as a crucial driver of cancer aggressiveness in metastatic castration-resistant prostate cancer (CRPC). High PlexinD1 expression in human PCa is correlated with adverse clinical outcomes.
View Article and Find Full Text PDFThe role of the axonal guidance cue Semaphorin3A in innervation of the postnatal heart in health and disease.
Can J Cardiol
December 2024
Dept. of Cardiology, Leiden University Medical Center, Leiden, The Netherlands.
During cardiac development the heart is innervated by the autonomous nervous system. After development, neurons of the autonomic nervous system have limited capacity for growth and regeneration. However, in the past decades, it has become clear that cardiac nerves can regenerate after cardiac damage.
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