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ZD7288 has been widely used as a tool in the study of hyperpolarization-activated cyclic nucleotide-gated channels (HCN channels), and to test the relationships between HCN channels and heart and brain function. ZD7288 is widely considered a selective blocker of HCN currents. Here we show that ZD7288 inhibits not only HCN channel currents, but also Na(+)(More)
ETHNOPHARMACOLOGICAL RELEVANCE Erycibe obtusifolia and Erycibe schmidtii, which belong to the same genus as Erycibe, are widely used in traditional medicine for the treatment of joint pain and rheumatoid arthritis (RA). Porana sinensis has become a widely used substitute for Erycibe obtusifolia and Erycibe schmidtii as they have declined in the wild. In the(More)
Erycibe is a relatively small genus in the family Convolvulaceae with over 10 identified species. Some Erycibe plant species are purportedly toxic at high doses. However, few toxicology studies have been conducted on those species. In this study, the toxicity of 40% ethanolic extracts of Erycibeobtusifolia, Erycibeschmidtii, and Erycibeellipptimba was(More)
As a final step of the purine metabolism process, xanthine oxidase catalyzes the oxidation of hypoxanthine and xanthine into uric acid. Our research has demonstrated that Erycibe obtusifolia has xanthine oxidase inhibitory properties. The purpose of this paper is to describe a new strategy based on a combination of multiple mass spectrometric platforms and(More)
Autism is a severe childhood neurological disorder with poorly understood etiology and pathology. Currently, there is no authentic laboratory test to confirm the diagnosis of autism. Oxidative damage may play a central role in the pathogenesis of autism. Present study is an effort to search for possible biomarkers of autism and further clarify the molecular(More)
Biodegradation has been proposed as an effective approach to remove pyrene, however, the information regarding cellular responses to pyrene treatment is limited thus far. In this study, the biodegradation and biosorption of pyrene by Brevibacillus brevis, along with cellular responses caused by pollutant were investigated by means of flow cytometry assay(More)
OBJECTIVE Sites for subcutaneous insulin injections include the upper arms, abdomen, buttocks and outer sides of the thigh. No similar study has explored the feasibility of using the inner side of the thigh for insulin injection, since the 4 mm pen needles were introduced for clinical use. This study aimed to determine whether the inner side of the thigh is(More)
Oxidative stress is a key event in the onset and progression of neurodegenerative diseases, including Alzheimer's disease (AD). To investigate the role of oxidative stress in AD and to search for potential biomarkers in peripheral blood, serums were collected in this study from the 3-, 6-, and 12-month-old triple transgenic AD mice (3×Tg-AD mice) and the(More)
A new ultra performance liquid chromatographic (UPLC) method was established for the determination of pinoresinol diglucoside (PDG) in Qing' e Pills. After extracted by the Soxhlet's method, the methanol extracts of the samples were passed through a Waters Oasis HLB SPE column to achieve good chromatographic performance. The separation was performed on a(More)
INTRODUCTION The increasing popularity of traditional Chinese medicines (TCMs) necessitates rapid and reliable methods for controlling their quality. Direct analysis in real-time mass spectrometry (DART-MS) represents a novel approach to analysing TCMs. OBJECTIVE To develop a quick and reliable method of identifying TCMs with coumarins as primary(More)