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Pifithrin-μ sensitizes mTOR-activated liver cancer to sorafenib treatment.
Cell Death Dis
January 2025
Department of Organ Transplantation and Hepatobiliary Surgery, Key Laboratory of Organ Transplantation of Liaoning Province, The First Hospital of China Medical University, Shenyang, China.
TSC2, a suppressor of mTOR, is inactivated in up to 20% of HBV-associated liver cancer. This subtype of liver cancer is associated with aggressive behavior and early recurrence after hepatectomy. Being the first targeted regimen for advanced liver cancer, sorafenib has limited efficacy in HBV-positive patients.
View Article and Find Full Text PDFModification of Liposomal Properties by an Engineered Gemini Surfactant.
Langmuir
January 2025
Department of Physics, Virginia Tech, Blacksburg, Virginia 24061, United States.
Lipid membranes form the primary structure of cell membranes and serve as configurable interfaces across numerous applications including biosensing technologies, antifungal treatments, and therapeutic platforms. Therefore, the modification of lipid membranes by additives has important consequences in both biological processes and practical applications. In this study, we investigated a nicotinic-acid-based gemini surfactant (NAGS) as a chemically tunable molecular additive for modulating the structure and phase behavior of liposomal membranes.
View Article and Find Full Text PDFNicotinamide riboside supplementation ameliorates ovarian dysfunction in a PCOS mouse model.
J Ovarian Res
January 2025
Center for Reproductive Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
Polycystic ovary syndrome (PCOS) is the leading cause of anovulatory infertility among women of reproductive age, yet the range of effective treatment options remains limited. Our previous study revealed that reduced levels of nicotinamide adenine dinucleotide (NAD) in ovarian granulosa cells (GCs) of women with PCOS resulted in the accumulation of reactive oxygen species (ROS) and mitochondrial dysfunction. However, it is still uncertain whether increasing NAD levels in the ovaries could improve ovarian function in PCOS.
View Article and Find Full Text PDFA Case Series With Cysteamine-Isobionicamide Complex: Clues for Skin-Rejuvenating Activity.
J Cosmet Dermatol
January 2025
Scientis SA, Geneva, Switzerland.
Background: Skin aging is inevitable. Wrinkles, skin texture abnormalities, senile hyperpigmentation, loss of skin tone, dryness, atrophy, and telangiectasias represent some of the hallmarks of aged skin. Skin rejuvenation can be addressed by topical therapies, such as topical retinoids and antioxidants or physical modalities with energy-based devices, all providing acceptable outcomes.
View Article and Find Full Text PDFEffective Targeting of Glutamine Synthetase with Amino Acid Analogs as a Novel Therapeutic Approach in Breast Cancer.
Int J Mol Sci
December 2024
Department of Molecular Biology, Genetic Engineering and Biotechnology Research Institute, University of Sadat City, Sadat City 32897, Egypt.
Cancer cells undergo metabolic rewiring to support rapid proliferation and survival in challenging environments. Glutamine is a preferred resource for cancer metabolism, as it provides both carbon and nitrogen for cellular biogenesis. Recent studies suggest the potential anticancer activity of amino acid analogs.
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