Angew Chem Int Ed Engl
January 2025
Plant sesterterpenoids are an extremely rare family of natural products that generally possess novel chemical structures and diverse biological activities. Here, we report the discovery of an unprecedented group of minor plant sesterterpenoids, gracilisoids B-E (2-5), which feature two types of highly functionalized bicyclo[3.2.
View Article and Find Full Text PDFTo evaluate the relative efficacy of various physical therapy interventions for chronic ankle instability (CAI). A network meta-analysis of randomized controlled trials. PubMed, Cochrane Library, Embase, Scopus, and CINAHL bibliographic databases were searched up to December 2023.
View Article and Find Full Text PDFEnviron Sci Pollut Res Int
January 2025
To investigate the modification of Pb adsorption of the functional groups of Cladophora rupestris (C. rupestris) biomass by gamma radiation (Coγ-ray), the interface structure, chemical properties, adsorption behaviors, and Pb adsorption mechanisms of C. rupestris biomass were investigated after irradiation with varying doses of Coγ-ray.
View Article and Find Full Text PDFSintering significantly contributes to the deactivation of supported metal catalysts under reaction conditions, influenced by various factors, including temperature, atmosphere, and metal-support interactions. The sintering mechanism under the reaction conditions remains complex and ambiguous. This study delves into the sintering behavior of platinum on CeO under CO oxidation conditions, mainly employing transmission electron microscopy to elucidate the effects of different gas components on the sintering mechanism at elevated temperatures.
View Article and Find Full Text PDFBackground: Existing literature indicates that benefit finding and social support play protective roles against depressive symptoms. However, there is a lack of understanding regarding the interplay between benefit finding, social support, and depressive symptoms within the dyadic context of stroke survivor-spousal caregiver relationships.
Objective: The objective of this study is to investigate the relationships among benefit finding, social support, and depressive symptoms in young and middle-aged stroke survivors and their spouse caregivers.
To investigate the clinical application value of the new tracer mitoxantrone hydrochloride in imaging of cervical lymph nodes and identifying of parathyroid, recurrent laryngeal nerve during thyroid cancer radical surgery. A prospective controlled study was conducted between January 2022 and April 2024 at Tianjin First Central Hospital, recruiting 180 patients with thyroid cancer, including 54 males and 126 females, aged from 26 to 69 years. The patients were randomly divided into three groups: the mitoxantrone hydrochloride lymph node tracing group (MHI group), the nanocarbon lymph node tracing group (nanocarbon group), and the control group without lymph node tracers, with 60 cases in each group.
View Article and Find Full Text PDFTetracycline (TC) is one of the most important therapeutic drugs that is widely used in hospitals. However, its harmful effects on human health and various ecosystems cannot be ignored. Owing to its poor metabolic activity and low biodegradability, TC commonly discharges as the parent compound and accumulates readily in sludges and soils by precipitation from wastewater, which can induce the evolution of antibiotic-resistant bacteria; therefore, it has been listed as one of the new pollutants with potential ecotoxicological risk.
View Article and Find Full Text PDFThe effect of cold plasma (CP) treatment in promoting the covalent grafting of ovalbumin (OVA) with gallic acid (GA) were investigated, along with identifying the binding sites in the OVA-GA complex and exploring its potential for reducing the antigenicity of OVA. The results showed that the GA content of 22.97 ± 1.
View Article and Find Full Text PDFBackground: To develop a laparoscopic training course that combines a smartphone application (APP) and virtual reality (VR), and initially evaluate the feasibility and effectiveness of its implementation.
Methods: The Exploring Laparoscopy (Ex-Lap) app was developed to meet training demands. The course was designed by integrating the app with a VR simulator (LapSim) and animal organ perfusion simulators.
Front Nutr
September 2024
Background: Increasing cardiac, hepatic, and metabolic diseases have raised the need to modify our contemporary lifestyles toward balancing and diversifying the nutrients in our daily diet. Objective: Dietary fats should be modified to healthier versions by blending different vegetable oils. Therefore, in this study, an oil blend with health-protective and promoting fatty acid combinations was investigated to bring down the progression of cardiac and other metabolic diseases.
View Article and Find Full Text PDFDetecting a microwave signal that is emitted or reflected by distant targets is a powerful tool in fundamental science and industrial technology. Solid-state spins provide an opportunity to realize quantum-enhanced remote sensing under ambient conditions. However, the weak interaction between the free-space signal and atomic size sensor limits the sensitivity.
View Article and Find Full Text PDFTriple-negative breast cancer (TNBC) is the most malignant breast cancer subtype, characterized with high aggressiveness and a high recurrence rate. Olaparib is the first US Food and Drug Administration-approved poly(ADP ribose) polymerase (PARP) inhibitor (PARPi) to treat breast cancer patients with a germline BRCA1 or BRCA2 mutation. However, resistance to Olaparib treatment restricts the therapeutic effects, and thus novel therapeutics are urgently required.
View Article and Find Full Text PDFDuring the fermentation of ripened pu-erh tea (RPT), the composition of lipids and other compounds changes significantly. In this study, we conducted industrial fermentation of RPT and observed that the levels of water extract, tea polyphenols, free amino acids, catechins, caffeine, rutin, theophylline, luteolin, and myricetin decreased, while the level of soluble sugar increased. Additionally, the levels of gallic acid, quercetin, ellagic acid, and kaempferol first increased and then decreased during fermentation.
View Article and Find Full Text PDFBackground: From 2004 onwards, the Chinese government has freely offered complimentary Chinese herbal medicine (CHM) to Chinese HIV/AIDS patients, alongside the prescribed first line therapy of highly active antiretroviral therapy (HAART). Thus, we aimed to explore the effectiveness and safety of CHM for patients with HIV/AIDS.
Methods: The data from the Guangxi pilot database and antiviral treatment sites database have been respectively developed into two datasets in this prospective cohort real-world study, the CHM combined HAART group (the integrated group) and the HAART group.
The inversion of substrate size specificity is an evolutionary roadblock for proteins. The Duf4243 dioxygenases GedK and BTG13 are known to catalyze the aromatic cleavage of bulky tricyclic hydroquinone. In this study, we discover a Duf4243 dioxygenase PaD that favors small monocyclic hydroquinones from the penicillic-acid biosynthetic pathway.
View Article and Find Full Text PDFZhongguo Shi Yan Xue Ye Xue Za Zhi
August 2024
Objective: To analyze the efficacy and safety of low-dose azacitidine in the treatment of senile myelodysplastic syndromes (MDS).
Methods: A total of 92 elderly MDS patients who were initially diagnosed in the Huaibei Miners General Hospital and the Affiliated Hospital of Xuzhou Medical University from January 2018 to June 2022 were randomly divided into the observation group and the control group with 46 patients in each group. The observation group received a low dose of azacitidine 100 mg/d, d1-7, 28 days as a course of treatment, 6 courses in total, and the control group received a standard dose of azacitidine 75 mg(m·d), d1-7, 28 days as a course of treatment, a total of 6 courses of treatment.
Spinal intradural (subdural and subarachnoid) hematoma following percutaneous kyphoplasty is an extremely rare complication. In this report, we described a case of 2 episodes of subarachnoid hemorrhage with delayed paralysis after kyphoplasty. A 73-year-old man underwent percutaneous kyphoplasty in our hospital an osteoporotic vertebral fracture at the T12 level.
View Article and Find Full Text PDFTo establish and verify a diagnostic model for distinguishing multiple sclerosis (MS) from other neurological diseases with similar symptoms by usingcerebrospinal fluid oligoclonal band (CSF-OCB)combined with IgG intrathecal synthesis indicators and biochemical markers. Multiple sclerosis (MS) patients admitted to the Neurology Department of Beijing Tiantan Hospital affiliated with Capital Medical University from January 2014 to December 2022 were selected as the case group, while patients with similar neurological symptoms were selected as the control group. Using the case-control study design, a retrospective analysis was conducted on the detection of age, gender, oligoclonal bands in cerebrospinal fluid, IgG intrathecal synthesis indicators and biochemical indicators for all study subjects.
View Article and Find Full Text PDFAs an important class of nitrogen-containing fused heterocyclic compounds, imidazo[1,2-a]pyridines often exhibit significant biological activities, such as analgesic, anticancer, antiosteoporosis, anxiolytic, etc. Using Y(OTf) as a Lewis acid catalyst, a simple and efficient method has been developed for the synthesis of C-alkylated imidazo[1,2-a]pyridines through the three-component aza-Friedel-Crafts reaction of imidazo[1,2-a]pyridines, aldehydes, and amines in the normal air atmosphere without the protection of inert gas and special requirements for anhydrous and anaerobic conditions. A series of imidazo[1,2-a]pyridine derivatives were obtained with moderate to good yields, and their structures were confirmed by H NMR, C NMR, and HRMS.
View Article and Find Full Text PDFUnderstanding the neural basis of infant social behaviors is crucial for elucidating the mechanisms of early social and emotional development. In this work, we report a specific population of somatostatin-expressing neurons in the zona incerta (ZI) of preweaning mice that responds dynamically to social interactions, particularly those with their mother. Bidirectional neural activity manipulations in pups revealed that widespread connectivity of preweaning ZI neurons to sensory, emotional, and cognitive brain centers mediates two key adaptive functions associated with maternal presence: the reduction of behavior distress and the facilitation of learning.
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