Publications by authors named "V Nicotra"

CTNND1 is a gene located in 11q12.1, encoding for p120 catenin, a protein involved in maintaining adherent junctions, regulating the epithelial-mesenchymal transition, and transcriptional signaling of different cellular pathways. Pathogenic variants in CTNND1 are classically associated with isolated cleft palate and Blefaro-cheilo-dontic syndrome, an autosomal dominant condition characterized by abnormalities of the eyelid.

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Natural products are an unsurpassed source of leading structures in drug discovery. The biosynthetic machinery of the producing organism offers an important source for modifying complex natural products, leading to analogs that are unattainable by chemical semisynthesis or total synthesis. In this report, through the combination of natural products chemistry and diversity-oriented synthesis, a diversity-enhanced extracts approach is proposed using chemical reactions that remodel molecular scaffolds directly on extracts of natural resources.

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Phytochemical study of the species Kaunia lasiophthalma enabled the isolation of three undescribed and three known guaianolide-type sesquiterpene lactones, and one new benzofuran. The bioguided fractionation methodology was successful in detecting antimicrobial metabolites against Staphylococcus aureus strains and permitted the description of undescribed guaianolide-type sesquiterpene lactones with substitution patterns matching all those described in the Oxylobinae subtribe.

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Article Synopsis
  • Williams-Beuren syndrome (WBS) is a rare genetic condition causing various health issues, including potential retinal problems, prompting this study to analyze the eye characteristics in WBS patients using advanced imaging techniques (OCT and OCTA).
  • The study included 22 patients with confirmed WBS, revealing significantly reduced retinal thickness, especially in the inner layers, and altered foveal structure compared to an age-matched control group.
  • Findings indicated decreased microvascular density and perfusion in patients with WBS, marking the first quantification of these eye changes, suggesting the need for further research to understand their clinical implications.
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Article Synopsis
  • Natural products and their semi-synthetic derivatives are key sources of therapeutic agents due to their chemical diversity and pharmacological properties.
  • Current research aims to develop efficient methods to modify these bioactive compounds.
  • This study focused on the photoderivatization of the diterpene solidagenone, creating diverse derivatives through various photochemical reactions, which were characterized and analyzed for their potential biological properties.
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