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Changes to the Autophagy-Related Muscle Proteome Following Short-Term Treatment with Ectoine in the Duchenne Muscular Dystrophy Mouse Model mdx.
Int J Mol Sci
January 2025
Neuromuscular Reference Center and Department of Neurology, Ghent University Hospital, Corneel Heymanslaan 10, 9000 Ghent, Belgium.
The most severe form of muscular dystrophy (MD), known as Duchenne MD (DMD), remains an incurable disease, hence the ongoing efforts to develop supportive therapies. The dysregulation of autophagy, a degradative yet protective mechanism activated when tissues are under severe and prolonged stress, is critically involved in DMD. Treatments that harness autophagic capacities therefore represent a promising therapeutic approach.
View Article and Find Full Text PDFLateral hypothalamic area high-frequency deep brain stimulation rescues memory decline in aged rat: behavioral, molecular, and electrophysiological study.
Pflugers Arch
January 2025
Department of Neuroscience, Graduate School of Biomedical Sciences, Mayo Clinic College of Medicine, Phoenix, AZ, USA.
To examine the effect of DBS of the lateral hypothalamic area (LHA) on age-related memory changes, neuronal firing from CA1, oxidative stress, and the expression of Hsp70, BDNF, and synaptophysin. 72 male rats were randomly allocated into 6 equal groups: a) normal young group (8 W), b) sham young group, c) DBS young group, d) normal old group (24 months), e) sham old group and f) DBS old group. Memory tests (passive avoidance and Y maze), oxidative stress markers (MDA, catalase, and GSH) and expression of Nrf2, HO-1, Hsp70, BDNF, and synaptophysin were measured by the end of the experiment.
View Article and Find Full Text PDFSingle-Animal, Single-Tube RNA Extraction for Comparison of Relative Transcript Levels via qRT-PCR in the Tardigrade Hypsibius exemplaris.
J Vis Exp
January 2025
Department of Molecular Cellular and Developmental Biology, University of California, Santa Barbara; Neuroscience Research Institute, University of California, Santa Barbara.
The tardigrade Hypsibius exemplaris is an emerging model organism renowned for its ability to survive environmental extremes. To explore the molecular mechanisms and genetic basis of such extremotolerance, many studies rely on RNA-sequencing (RNA-seq), which can be performed on populations ranging from large cohorts to individual animals. Reverse transcription polymerase chain reaction (RT-PCR) and RNA interference (RNAi) are subsequently used to confirm RNA-seq findings and assess the genetic requirements for candidate genes, respectively.
View Article and Find Full Text PDFAstragaloside IV can mitigate heat stress-induced tissue damage through modulation of the Keap1-Nrf2 signaling pathway in grass carp (Ctenopharyngodon idella).
Fish Shellfish Immunol
February 2025
Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, School of Animal Science and Technology, Foshan University, Foshan, Guangdong, 528225, China. Electronic address:
This study investigated the potential protective effect of AS-IV against heat stress-induced tissue damage in grass carp (Ctenopharyngodon idella). Grass carp were injected intraperitoneally with 0, 2, 4, and 8 mg/kg of AS-IV for three consecutive days, and then subjected to heat stress (35 ± 0.5 °C); thereafter, histopathological analyses of the liver and spleen were performed at 0, 6, 24, and 48 h, respectively.
View Article and Find Full Text PDFHeat shock protein 70 levels in children with nephrotic syndrome.
Turk J Pediatr
December 2024
Division of Pediatric Nephrology, İstanbul Faculty of Medicine, İstanbul University, İstanbul, Türkiye.
Background: Idiopathic nephrotic syndrome (NS) is the most prevalent glomerular disease in children. Heat shock protein 70 (HSP70) is synthesized in response to diverse stress factors like infections and oxidative stress. We aimed to evaluate serum and urine levels of HSP70 in children with steroid-sensitive nephrotic syndrome (SSNS) and to assess changes in HSP70 levels with prednisolone treatment.
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