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Chiral Nanostructures from Artificial Helical Polymers: Recent Advances in Synthesis, Regulation, and Functions.
ACS Nano
January 2025
School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen (CUHK-Shenzhen), Guangdong 518172, P.R. China.
Helical structures such as right-handed double helix for DNA and left-handed α-helix for proteins in biological systems are inherently chiral. Importantly, chirality at the nanoscopic level plays a vital role in their macroscopic chiral functionalities. In order to mimic the structures and functions of natural chiral nanoarchitectures, a variety of chiral nanostructures obtained from artificial helical polymers are prepared, which can be directly observed by atomic force microscopy (AFM), scanning tunneling microscopy (STM), scanning electron microscopy (SEM), and transmission electron microscopy (TEM).
View Article and Find Full Text PDFSynthesizing hybrid copper phosphate (Cu(PO)) nanoflowers using Cu and shed snakeskin: antioxidant, antibacterial, anticancer, guaiacol, anionic, and cationic dye degradation properties.
J Biol Eng
January 2025
Department of Aquatic Animals and Diseases, Faculty of Veterinary Medicine, Erciyes University, Kayseri, Türkiye.
Background: Synthesis of organic@inorganic hNFs is achieved by the coordination of organic compounds containing amine, amide, and diol groups with bivalent metals. The use of bio-extracts containing these functional groups instead of expensive organic inputs such as DNA, enzymes, and protein creates advantages in terms of cost and applicability. In this study, the application potentials (antioxidant, antibacterial, anticancer, guaiacol, anionic, and cationic dye degradation) of hybrid (organic@inorganic) nanoflowers (hNFs) synthesized with Cu and snakeskin (SSS) were proposed.
View Article and Find Full Text PDFAneuploidy-driven gene expression profiling in human blastocysts: insights from RNA-Seq analysis.
J Assist Reprod Genet
January 2025
Medical Genetics Laboratory, Shiraz Fertility Center, Shiraz, Iran.
Purpose: Preimplantation aneuploidy in humans is one of the primary causes of implantation failure and embryo miscarriage. This study was conducted to gain insight into gene expression changes that may result from aneuploidy in blastocysts through RNA-Seq analysis.
Methods: The surplus embryos of preimplantation genetic testing for aneuploidy (PGT-A) candidate couples with normal karyotype and maternal age < 38 were collected following identical ovarian stimulation protocol.
NUFIP1 integrates amino acid sensing and DNA damage response to maintain the intestinal homeostasis.
Nat Metab
January 2025
Fudan University Shanghai Cancer Center and Institutes of Biomedical Sciences; School of Basic Medical Sciences, Cancer Institutes; Key Laboratory of Breast Cancer in Shanghai; Shanghai Key Laboratory of Radiation Oncology; the Shanghai Key Laboratory of Medical Epigenetics, State Key Laboratory of Medical Neurobiology, Shanghai Medical College, Fudan University, Shanghai, China.
Nutrient availability strongly affects intestinal homeostasis. Here, we report that low-protein (LP) diets decrease amino acids levels, impair the DNA damage response (DDR), cause DNA damage and exacerbate inflammation in intestinal tissues of male mice with inflammatory bowel disease (IBD). Intriguingly, loss of nuclear fragile X mental retardation-interacting protein 1 (NUFIP1) contributes to the amino acid deficiency-induced impairment of the DDR in vivo and in vitro and induces necroptosis-related spontaneous enteritis.
View Article and Find Full Text PDFNew thiazole derivative as a potential anticancer and topoisomerase II inhibitor.
Sci Rep
January 2025
Chemistry Department, Faculty of Science, Damietta University, Damietta, New-Damietta, 34517, Egypt.
To shed light on the significance of thiazole derivatives in the advancement of cancer medication and to contribute to therapeutic innovation, we have designed the synthesis and antiproliferative activity investigation of 5-(1,3-dioxoisoindolin-2-yl)-7-(4-nitrophenyl)-2-thioxo-3,7-dihydro-2H-pyrano[2,3-d] thiazole-6-carbonitrile, the structure of thiazole derivative was confirmed by spectroscopic techniques UV, IR and NMR. The cytotoxic activity (in vitro) of the new hybrid synthesized compound on five human cancer cell lines; human liver hepatocellular carcinoma (HepG-2), colorectal carcinoma (HCT-116), breast adenocarcinoma (MCF-7), and epithelioid carcinoma (Hela), and a normal human lung fibroblast (WI-38) was studied using MTT assay. The compound exhibited a strong cytotoxicity effect against HepG-2 and MCF-7.
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