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, a deciduous shrub from the Adoxaceae family, is a traditional Kazakh medicine used in Xinjiang, China. Its branches, leaves, and fruits are used to treat fractures, rheumatoid arthritis, and nephritis. To advance research on , we conducted studies on its microscopic identification, chemical composition, and biological activity.

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Objectives: To observe the effect of eye-acupuncture on the antioxidant function axis:System xc(-)-glutathione-glutathione peroxidase 4 (System xc[-]-GSH-GPX4) in the cortical tissue of ischemic penumbra of acute cerebral ischemia-reperfusion injury (CIRI) rats, so as to explore its underlying mechanism in improvement of CIRI by ameliorating the ferroptosis of neurons via antioxidant function axis.

Methods: Male SD rats were randomly divided into sham operation, model, eye-acupuncture and GPX4-inhibitor groups, with 15 rats in each group. The CIRI model was replicated by occlusion of the middle cerebral artery and reperfusion for 24 h.

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Objectives: To explore the effect of moxibustion on the expression of sorting nexin 5 (SNX5), glutathione peroxidase (GPX4) and ferritin heavy chain (FTH1) in the corpus striatum in mice with Parkinson's disease (PD), so as to explore its mechanisms underlying improvement of PD by ameliorating ferroptosis in the substantia nigra striatum.

Methods: C57BL/6J mice were randomly divided into normal, sham operation, model, and moxibustion groups, with 10 mice in each group. The PD model was established by unilateral injection of 6-hydroxydopamine (3.

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Digital Photocolorimetric Analysis of In Vitro Tooth Color Changes.

Oper Dent

May 2024

Thais Marques Simek Vega Gonçalves, DMD, MS, PhD, Department of Dentistry, Federal University of Santa Catarina (UFSC), Florianópolis, Brazil.

Objective: Tooth color matching is challenging, and digital photocolorimetry using eLABor_aid (eLAB) provides objective evaluation through polarized photographs. However, its comparability with spectrophotometry remains unclear.

Methods And Materials: Bovine incisor root canals (n=30) were prepared to simulate an incomplete root apex.

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Clinical Tooth Color Matching: In Vivo Comparisons of Digital Photocolorimetric and Spectrophotometric Analyses.

Oper Dent

September 2023

Thais Marques Simek Vega Gonçalves, DDS, PhD, professor, Department of Dentistry, Federal University of Santa Catarina, Florianópolis, Brazil.

Objective: This study aimed to compare the tooth color matching of two dental colorimetric methods: the spectrophotometric analysis (SPM) and the standardized digital photocolorimetric analysis (DPC).

Methods: The color of 60 maxillary central incisors of 30 volunteers (22.5 ± 7.

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