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Muscle parameters in men and oxidative stress markers.
J Physiol Anthropol
January 2025
University of Wrocław, Wrocław, Poland.
Background: The oxidative handicap hypothesis posits that testosterone-dependent traits, such as muscle mass and strength, may be costly to develop due to testosterone's pro-oxidative properties, leading to increased oxidative stress. This hypothesis suggests that only individuals with superior biological conditions can afford these costs. This study examines the oxidative handicap hypothesis, exploring the relationship between muscle mass or handgrip strength and oxidative stress markers in men.
View Article and Find Full Text PDFDetection of LGD-4033 Metabolites in Camel Urine, Plasma, and Hair Following Oral Administration for Doping Control.
Rapid Commun Mass Spectrom
April 2025
Camel Forensic Laboratory, Central Veterinary Research Laboratory, Dubai, UAE.
Rationale: LGD-4033, a selective androgen receptor modulator (SARM), is recognized for promoting muscle growth and enhancing athletic performance. Its potent anabolic effects have led to its prohibition in both human and animal sports. Although initial in vitro studies have offered insights into its metabolism, an in-depth in vivo analysis is necessary to fully understand its metabolic pathways.
View Article and Find Full Text PDFComparing the Effect of Heat Therapy and Mitochondrial-Targeted Antioxidants in Polycystic Ovarian Syndrome Phenotype Induced by Junk Food Consumption.
Reprod Sci
January 2025
Department of Physiology, Faculty of Medicine, Cairo University, Cairo, Egypt.
Polycystic ovarian syndrome (PCOS) is a complex endocrine-metabolic disorder, and multiple factors contribute to its pathophysiology. The current study assessed a PCOS-like animal model induced by consuming a high-fat sugar (HFHS) diet and compared the treatment outcome of mitochondrial-targeted antioxidants versus heat therapy. Sixty rats were divided into the following study groups: three control groups (negative and positive for the treatments used), HFHS, hot tub therapy (HTT) treatment, and MitoQ10 treatment (500 µmol/L MitoQ10 in clean drinking water daily, from week fourteen till week twenty-two of the study).
View Article and Find Full Text PDFRole of long non-coding RNAs and natural products in prostate cancer: insights into key signaling pathways.
Funct Integr Genomics
January 2025
Department of Biochemistry, Faculty of Pharmacy, University of Sadat City, Sadat City, 32897, Egypt.
Prostate cancer (PC) ranks among the most prevalent cancers in males. Recent studies have highlighted intricate connections between long non-coding RNAs (lncRNAs), natural products, and cellular signaling in PC development. LncRNAs, which are RNA transcripts without protein-coding function, influence cell growth, programmed cell death, metastasis, and resistance to treatments through pathways like PI3K/AKT, WNT/β-catenin, and androgen receptor signaling.
View Article and Find Full Text PDFOncogenic potential of truncated-Gli3 via the Gsk3β/Gli3/AR-V7 axis in castration-resistant prostate cancer.
Oncogene
January 2025
Department of Biochemistry and Molecular Biology, University of Nebraska Medical Center, Omaha, NE, USA.
The functional activation of the androgen receptor (AR) and its interplay with the aberrant Hh/Gli cascade are pivotal in the progression of castration-resistant prostate cancer (CRPC) and resistance to AR-targeted therapies. Our study unveiled a novel role of the truncated form of Gli (t-Gli3) in advancing CRPC. Investigation into Gli3 regulation revealed a Smo-independent mechanism for its activation.
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