One human and six murine tumor cell lines of lymphoid origin were assessed for growth in the presence of three commonly used antiepileptic drugs (AEDs). All seven lines were sensitive to the growth slowing effects of phenytoin (PHT) and carbamazepine (CBZ). Six lines showed a similar effect when exposed to valproic acid (VPA), while one murine B cell line was resistant to inhibition of growth by VPA.
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http://dx.doi.org/10.1016/0024-3205(92)90104-w | DOI Listing |
Int J Food Microbiol
January 2025
College of Animal Science and Technology, Yangtze University, Jingzhou 434023, China. Electronic address:
This study investigated endophytic fungi isolated from the medicinal plant Panax notoginseng. Among these, the endophytic fungus SQ3, identified as Chaetomium globosum, was capable of reducing silver ions to form metallic silver nanoparticles. The green-synthesized silver nanoparticles (AgNPs) presented a distinct surface plasmon resonance peak at 424 nm, with particle sizes between 2.
View Article and Find Full Text PDFEnviron Pollut
January 2025
School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China. Electronic address:
While it is known that warming and rising CO level might interactively affect the long-term adaptation of marine diatoms, the molecular and physiological mechanisms underlying these interactions in the marine diatom Thalassiosira weissflogii on an evolutionary scale remain largely unexplored. In this study, we investigated the changes in metabolic pathways and physiological responses of T. weissflogii under long-term ocean acidification and/or warming conditions (∼3.
View Article and Find Full Text PDFIn Vitro Model
February 2024
iNOVA4Health, NOVA Medical School|Faculdade de Ciências Médicas, NMS|FCM, Universidade Nova de Lisboa, Rua Camara Pestana, 6, Lisbon, Portugal.
Purpose: Diabetic retinopathy (DR) is a complication of diabetes and a primary cause of visual impairment amongst working-age individuals. DR is a degenerative condition in which hyperglycaemia results in morphological and functional changes in certain retinal cells. Existing treatments mainly address the advanced stages of the disease, which involve vascular defects or neovascularization.
View Article and Find Full Text PDFCell Commun Signal
January 2025
School of Pharmacy, Naval Medical University, Shanghai, 200433, China.
Background: Cancer-associated fibroblasts (CAFs) are key components of the pancreatic adenocarcinoma (PAAD) tumor microenvironment (TME), where they promote tumor progression and metastasis through immunosuppressive functions. Although significant progress has been made in understanding the crosstalk between cancer cells and CAFs, many underlying mechanisms remain unclear. Recent studies have highlighted the importance of calcium signaling in enhancing interactions between tumor cells and the surrounding stroma, with the S100 family of proteins serving as important regulators.
View Article and Find Full Text PDFPAX3-FOXO1, an oncogenic transcription factor, drives a particularly aggressive subtype of rhabdomyosarcoma (RMS) by enforcing gene expression programs that support malignant cell states. Here we show that PAX3-FOXO1 RMS cells exhibit altered pyrimidine metabolism and increased dependence on enzymes involved in pyrimidine synthesis, including dihydrofolate reductase (DHFR). Consequently, PAX3-FOXO1 cells display increased sensitivity to inhibition of DHFR by the chemotherapeutic drug methotrexate, and this dependence is rescued by provision of pyrimidine nucleotides.
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