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[Development and validation of a nomogram combining clinical and F-FDG PET/CT parameters for prediction of high-grade patterns in invasive lung adenocarcinoma].
Zhonghua Yi Xue Za Zhi
January 2025
Department of Nuclear Medicine, Beijing Hospital, National Center of Gerontology; Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing100730, China.
To establish and validate a nomogram based on clinical characteristics and metabolic parameters derived from F-fluorodeoxyglucose positron emission tomography and computed tomography (F-FDG PET/CT) for prediction of high-grade patterns (HGP) in invasive lung adenocarcinoma. The clinical and PET/CT image data of 311 patients who were confirmed invasive lung adenocarcinoma and underwent pre-treatment F-FDG PET/CT scan in Beijing Hospital between October 2017 and March 2022 were retrospectively collected. The enrolled patients were divided into HGP group (196 patients) and non-HGP group (115 patients) according to the presence and absence of HGP.
View Article and Find Full Text PDFBehavior and oxidative stress evaluation of scorpion Tityus serrulatus (Lutz & Mello,1922) envenomation with genomic modulation and dopaminergic neutralization by antiscorpionic serum treatment.
Toxicon
January 2025
Laboratory of Experimental Pathophysiology, Health Sciences, Universidade do Extremo Sul Catarinense. Universitário, 88806-000. Criciúma. Santa Catarina, Brazil. Electronic address:
Tityus serrulatus accident promote vast symptomatology related to toxins of the venom, which leads to a massive release of neurotransmitters, notably dopamine, affecting behavior and neurochemistry. The recommended treatment for envenomation is the antiscorpionic serum (SAEsc) administration. Related to this complexity of the Tityus serrulatus envenomation, this study aimed to assess organism responses to the venom, its impact on behavior, oxidative stress, neurochemistry, and genetic impacts, as well as the efficacy of SAEsc, especially concerning dopamine levels and genetic interactions.
View Article and Find Full Text PDFIntroduction: To investigate how adipose-derived mesenchymal stem cells (ADSCs) regulate the balance between regulatory T cells (Treg) and Th17 cells through the IL-2/JAK3/STAT5 signaling pathway in a rat model of allergic rhinitis (AR).
Methods: Adipose-derived stem cells (ADSCs) were used to treat an ovalbumin (OVA)-induced AR rat model. The pathological changes and nasal symptoms were observed by HE staining and scanning electron microscopy.
Silica Nanoparticle-Protein Aggregation and Protein Corona Formation Investigated with Scattering Techniques.
ACS Appl Mater Interfaces
January 2025
School of Science, STEM College, RMIT University, 124 La Trobe Street, Melbourne, Victoria 3000, Australia.
Protein-nanoparticle interactions and the resulting corona formation play crucial roles in the behavior and functionality of nanoparticles in biological environments. In this study, we present a comprehensive analysis of protein corona formation with superfolder green fluorescent protein (sfGFP) and bovine serum albumin in silica nanoparticle dispersions using small-angle X-ray scattering (SAXS) and dynamic light scattering (DLS). For the first time, we subtracted the scattering of individual proteins in solution and individual nanoparticles from the protein-nanoparticle complexes.
View Article and Find Full Text PDFIcaritin alleviates motor impairment and osteoporosis in Parkinson's disease mice via the ER-PI3K/Akt pathway.
Sci Rep
January 2025
Guizhou University of Traditional Chinese Medicine, Guiyang, 550000, Guizhou, China.
This study investigates the role of flavonoid Icaritin (ICT) in estrogen-deficient ovariectomized (OVX) female mice by activating the Estrogen receptor (ER)/ Phosphatidylinositol 3-kinase (PI3K)/Protein kinase B (Akt) signaling pathway, potentially delaying Parkinson's disease (PD) progression post-castration. Seventy-five 8-week-old C57BL/6J female mice underwent ovariectomy, followed by MPTP (20 mg/kg) injection for 7 days. ICT (20 mg/kg) was administered for 14 days, and motor function was assessed using various behavioral tests.
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