The development of probes for the efficient detection of volatile organic compounds is crucial for both human health protection and environmental monitoring. In this study, we successfully synthesized a ratiometric fluorescent sensing material [Eu-UiO-67 (1:1)], featuring dual-emission fluorescence peaks via a one-pot method. This material demonstrated exceptional ratiometric fluorescence recognition properties for liquid styrene and isoprene, achieving low limit of detections (LODs) of 6.
View Article and Find Full Text PDFEthnopharmacological Relevance: The Chinese herbal Plantaginis Herba (PL) is one of the most widely used plants for both medicinal and dietary purposes. Plantaginis Herba is the main medicine used in a traditional Chinese prescription called Cheqiancao decoction, and it is known for its liver and kidney protective properties.
Aim Of The Study: The aim of the present study was to explore the interventions and mechanisms of PL in ADR nephropathy by performing an integrated analysis of in vitro and in vivo experiments.
From the tuber of Alisma orientale (Sam.) Juzep. (Alismataceae), twenty-four compounds were isolated, including six (1, 2, 3, 10, 14, and 17) that were not yet characterized.
View Article and Find Full Text PDFPurpose: Doxorubicin (DOX) precipitates cell apoptosis in testicular tissues, and it is imperative to develop drugs to alleviate the spermatogenic disorders it causes. Thunb is often used to treat male sexual disorders. Eugenol, a major component of Thunb.
View Article and Find Full Text PDF(-)-Epigallocatechin-3-gallate (EGCG) is a polyphenol in green tea with potential lung-protective effects. However, the effects of EGCG on airway inflammation in asthma remain unclear. The aim of this study was to investigate the effect and mechanism of EGCG on asthmatic airway inflammation.
View Article and Find Full Text PDFEthnopharmacological Relevance: Cornus officinalis is a conventional Chinese medicine for tonifying liver and kidney in ancient China. The active ingredients from Cornus officinalis can delay the progression of cerebral aneurysms, alleviate experimental autoimmune encephalomyelitis, and show a good intervention effect on brain diseases. Loganin, the active ingredient of Cornus officinalis, has a neuroprotective effect on cerebral ischemia-reperfusion injury in mice.
View Article and Find Full Text PDFSeven new alkaloids [, (±)-, (±)-, , and ] and one new natural product (), along with eight known analogues, were isolated from the tubers of Schott. Their structures were determined by a comprehensive analysis of spectroscopic data, including HRESIMS, and electronic circular dichroism (ECD). In addition, the results of the bioactivity evaluation showed that compounds (±)-, , and exhibited significantly protective effects against A-induced PC-12 cell injury and ameliorated cell viabilities by decreasing the levels of the reactive oxidative species (ROS) and mitochondrial membrane potential (MMP).
View Article and Find Full Text PDFIn this study, four previously undescribed flavonoids, named epimesatines P (), Q (), R (), and S (), were isolated from the aerial parts of Maxim. Their structures and absolute configurations were confirmed via spectroscopic analyses, quantum chemical electronic circular dichroism (ECD) calculations, Mo(OAc)-induced ECD, and Rh(OCOCF)-induced ECD experiments. Epimesatines Q and R were characterized by the presence of furan rings.
View Article and Find Full Text PDFSelaginella tamariscina extracts (STS), total flavonoids of Selaginella tamariscina (TFST) and the main active component amentoflavone (AMT) have hypoglycaemic-mitigating effects, but their efficacy and mechanism of action in db/db mice are unknown. This study aimed to evaluate the hypoglycaemic effects of Selaginella tamariscina and its extracts in db/db diabetic mice and explore their mechanisms through gut microbiota modulation and metabolomics. Sixty male db/db mice were divided into model (db/db), STS (1.
View Article and Find Full Text PDFSix undescribed compounds (1-6) and twenty-three known analogues (7-29) were isolated from the fresh roots of Rehmannia glutinosa. The structures of the compounds (1-29) were established through the application of spectroscopic analysis. Compounds 3, 4, 6, 8, 13, 18, 21, 22, 25, and 28 exhibited excellent anti-pulmonary fibrosis activity.
View Article and Find Full Text PDFBackground: Alzheimer's disease (AD) is a common chronic neurodegenerative disease in older people, and there is no specific treatment that can stop or reverse its progression. Neobavaisoflavone (NBIF) is a flavonoid that has been shown to have neuroprotective effects, but its role in AD has not been revealed. The present study investigated the role and mechanism of NBIF on Aβ-induced brain injury.
View Article and Find Full Text PDFFive undescribed lignans (1-5), along with sixteen known lignans (6-21), were isolated from the roots of Anthriscus sylvestris using small molecule accurate recognition technology (SMART). The structures of the isolated compounds were determined by comprehensive spectroscopic analyses, and the absolute configurations of compounds 3-5 were elucidated by comparison of their calculated and experimental ECD spectra. Compounds 5, 14-15, 19, and 21 exhibited significantly inhibitory effects against hypoxia-stimulated abnormal proliferation of pulmonary arterial smooth muscle cells (PASMCs).
View Article and Find Full Text PDFThe nanoscale multidrug codelivery system for synergistic therapy is an effective strategy for tumor treatment. However, the low drug delivery efficiency and poor therapeutic effects limit its application. Here, based on the coordination effect of Artemisinin (Art), quercetin (Qc), and Fe, we had constructed a safe and efficient carrier-free hyaluronic acid (HA)-modified Art-Fe-Qc nanoparticles (AFQ@HA NPs) for enhanced chemotherapy/photothermal therapy (PTT)-chemodynamic therapy (CDT) synergistic therapy, which achieved an ultrahigh drug loading efficiency and a multifunction anticancer strategy.
View Article and Find Full Text PDFPhytochemical investigation of the -butanol extracts of the herbaceous stems of led to the isolation of eight flavonoids that included three new flavonoid glycosides (-) and five previously reported analogues (-). Their structures have been identified on the basis of various spectral data. Besides, all the flavonoids were tested for their ability to inhibit -glucosidase under the positive control of acarbose, and the results indicated that none of them exhibited significant inhibitory effect on -glucosidase at 100 μM.
View Article and Find Full Text PDFPsoriasis, an immune-mediated inflammatory skin disorder, seriously affects the quality of life of nearly four percent of the world population. L. is the monarch constituent of Chinese ZeQi powder preparation for psoriasis, so it is necessary to illustrate its active ingredients.
View Article and Find Full Text PDFCurr Comput Aided Drug Des
August 2024
Background: Si-Ni-San (SNS) is the formula prescription of Traditional Chinese Medicine (TCM) with anti-depression properties, but its underlying mechanisms remain unclear.
Objective: This study provides novel approaches for the study of Traditional Chinese Medicine (TCM) and offers new opportunities for exploring the pharmacological properties of SNS.
Methods: The ingredients in SNS implicated in the treatment of depression were identified and studied using network pharmacology.
Background: Pulmonary fibrosis (PF) is a progressive and severe respiratory disease for which there is still a lack of satisfactory treatment methods other than lung transplantation. Evening primrose (EP) is widely used in Chinese folk medicinal herbs, especially for the treatment of lung-related diseases. However, the protective effect of evening primrose against PF has yet to be reported.
View Article and Find Full Text PDFInt J Biol Macromol
October 2024
The study investigated the protective effect and mechanism of 2-phenylethyl-beta-glucopyranoside(Phe) from Huaizhong No.1 Rehmannia glutinosa on hypoxic pulmonary hypertension(PH), aiming to provide a theoretical basis for clinical treatment of PAH. Male C57BL/6N mice were randomly divided into normal group, model group, positive drug(bosentan, 100 mg·kg~(-1)) group, and low-and high-dose Phe groups(20 and 40 mg·kg~(-1)).
View Article and Find Full Text PDFGardeniae fructus (GF) is known for its various beneficial effects on cholestatic liver injury (CLI). However, the biological mechanisms through which GF regulates CLI have not been fully elucidated. This study aimed to explore the potential mechanisms of GF against α-naphthylisothiocyanate (ANIT)-induced CLI.
View Article and Find Full Text PDFZhongguo Zhong Yao Za Zhi
June 2024
Urine metabolomics based on ultra-performance liquid chromatography-quadrupole time-of-flight tandem mass spectrometry(UHPLC-Q-TOF-MS) was utilized to investigate the metabolic regulation mechanism of Tingli Dazao Xiefei Decoction(TLDZ) in rats with allergic asthma. SD male rats were divided into a normal group, a model group, a dexamethasone group, and a TLDZ group. The allergic asthma model was established by intraperitoneal injection of ovalbumin(OVA) to induce allergy, combined with atomization excitation.
View Article and Find Full Text PDFA chemical investigation of roots led to the isolation and characterization of two new nitrogen-containing phenylpropanoids (-) and two new phenol glycosides (-), along with fifteen known analogues. Structure elucidation was based on HRESIMS, 1D and 2D NMR spectroscopy, and electronic circular dichroism (ECD). In addition, compounds , , -, , and exhibited inhibitory effects against the abnormal proliferation of pulmonary arterial smooth muscle cells with IC50 values ranging from 10.
View Article and Find Full Text PDFObjectives: As a traditional Chinese medicine, Lepidium apetalum is commonly used for purging the lung, relieving dyspnea, alleviating edema, and has the significant pharmacological effects on cardiovascular disease, hyperlipidemia, etc. In addition, the seeds of L. apetalum are rich in unsaturated fatty acids, sterols, glucosinolates and have a variety of biological activity compounds.
View Article and Find Full Text PDFEthnopharmacological Relevance: Zingiberis rhizoma recens-/wine-/euodiae fructus-processed Coptidis Rhizoma (CR, zCR/wCR/eCR) are the commonly used processed products of CR in clinic. After being processed with different excipients, the efficacy of CR will change accordingly. I.
View Article and Find Full Text PDFDihydroquercetin (DHQ) is commonly used as a dietary additive, but its activity in improving brain injury with metabolic syndrome (MS) remains known. In present study, the MS rat model was induced using 10 % fructose water. The apoptosis rate of primary brain cells was detected.
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