Background: -related schwannomatosis ( -SWN) is a debilitating condition that calls for robust treatment options. The defining feature of -SWN is the presence of bilateral vestibular schwannomas (VSs), which grow over time and can result in irreversible sensorineural hearing loss, significantly affecting the quality of life for those affected. At present, there are no FDA-approved medications specifically for treating VS or related hearing loss.
View Article and Find Full Text PDFTransient Receptor Potential Ankyrin 1 (TRPA1) is a non-selective cation channel involved in detecting harmful stimuli and endogenous ligands, primarily expressed in sensory neurons. Due to its role in pain and itch, TRPA1 is a potential drug target. We identified an oxindole core structure via high-throughput screening, modified it, and tested the modified compounds in vitro and in vivo.
View Article and Find Full Text PDFNF2-related Schwannomatosis (NF2-SWN) is a disease that needs new solutions. The hallmark of NF2-SWN, a dominantly inherited neoplasia syndrome, is bilateral vestibular schwannomas (VSs), which progressively enlarge, leading to sensorineural hearing loss, tinnitus, facial weakness, and pain that translates to social impairment and clinical depression. Standard treatments for growing VSs include surgery and radiation therapy (RT); however, both carry the risk of further nerve damage that can result in deafness and facial palsy.
View Article and Find Full Text PDFCynanchum auriculatum Royle ex Wight (CA) is experiencing challenges with continuous cropping obstacle (CCO) due to soil-borne fungal pathogens. The leaf litter from CA is regularly incorporated into the soil after root harvesting, but the impact of this practice on pathogen outbreaks remains uncertain. In this study, a fungal strain D1, identified as Fusarium solani, was isolated and confirmed as a potential factor in CCO.
View Article and Find Full Text PDFBackground: Considering that right paraduodenal hernia is a rare internal hernia with abnormal anatomy and is often encountered during an emergency, surgeons may lack knowledge about it and choose incorrect treatment. Thus, this case report is a helpful complement to the few previously reported cases of right paraduodenal hernia. Additionally, we reviewed all the reported right paraduodenal hernia cases and proposed appropriate surgical strategies according to different anatomical features.
View Article and Find Full Text PDFSwitching the reaction routes in peroxymonosulfate (PMS)-based advanced oxidation processes have attracted much attention but remain challenging. Herein, a series of Co-N/C catalysts with different compositions and structures were prepared by using bimetallic zeolitic imidazolate frameworks based on ZIF-8 and ZIF-67 (xZn/Co-ZIFs). Results show that Co doping amount could mediate the transformation of the activation pathway of PMS over Co-N/C.
View Article and Find Full Text PDFMultitarget-directed ligands (MTDLs) have recently attracted significant interest due to their superior effectiveness in multifactorial Alzheimer's disease (AD). Combined inhibition of two important AD targets, glycogen synthase kinase-3β (GSK-3β) and dual-specificity tyrosine phosphorylation-regulated kinase 1A (DYRK1A), may be a breakthrough in the treatment of AD. Based on our previous work, we have designed and synthesized a series of novel harmine derivatives, investigated their inhibition of GSK-3β and DYRK1A, and evaluated a variety of biological activities.
View Article and Find Full Text PDFPatients with Schwannomatosis (SWN) overwhelmingly present with intractable, debilitating chronic pain. There are no effective therapies to treat SWN. The drivers of pain response and tumor progression in SWN are not clear.
View Article and Find Full Text PDFAlzheimer's disease (AD) is characterized by progressive cognitive impairment and mental behavior. The combination inhibition of two essential AD targets, acetylcholinesterase (AChE) and glycogen synthase kinase-3β (GSK-3β), might be a breakthrough in the discovery of therapeutic success. Herein, 17 β-carboline-1,2,3-triazole hybrids were designed, synthesized, and evaluated for their AChE and GSK-3β inhibitory potential.
View Article and Find Full Text PDFFront Public Health
October 2022
Introduction: Traditional Chinese medicine has a long history and is widely popular in China because of its safety and small side effects. In Chinese families, people believe that the combination of traditional Chinese and Western medicine is more effective, and in terms of conditioning and health care, they tend to rely on traditional Chinese medicine. However, the toxic and side effects of traditional Chinese medicine, especially heavy metal poisoning, should not be ignored.
View Article and Find Full Text PDFCDK2/9 are members of the CDKs family, which play key roles in the occurrence and development of many cancers by regulating cell cycle and transcriptional prolongation, respectively. To further optimize and discuss the structure-activity relationships (SARs), a series of tacrine-based compounds were designed and synthesized from the compound ZLWT-37, which was studied by our group previously but no detailed SARs study was conducted on CDK2/9. Among this series, compounds ZLMT-12 (35) exhibited the most potent antiproliferative activity (GI = 0.
View Article and Find Full Text PDFMulti-targeted directed ligands (MTDLs) are emerging as promising Alzheimer's disease (AD) therapeutic possibilities. Coumarin is a multifunctional backbone with extensive bioactivity that has been utilized to develop innovative anti-neurodegenerative properties and is a desirable starting point for the construction of MTDLs. Herein, we explored and synthesized a series of novel coumarin derivatives and assessed their inhibitory effects on cholinesterase (AChE, BuChE), GSK-3β, and BACE1.
View Article and Find Full Text PDFBackground: Although programmed cell death-ligand 1 (PD-L1) has been recognized as a potential marker in several cancers, the relationship between PD-L1 expression and survival in patients with salivary gland carcinoma (SGC) has remained unclear. We aimed to evaluate the association of PD-L1 expression with clinicopathological features and prognosis in SGC patients.
Methods: The databases Ovid Medline, PubMed, Scopus, and EMBASE were searched for relevant studies that detected PD-L1 expression in SGC.
Epigenetics regulate the gene expression and chromatin organization associated with the development and occurrence of cancer. Histone deacetylase inhibitors (HDACis) have been proved to be an effective epigenetic targeting drug for cancer treatment. The structures of most HDACis were divided into four parts, including cap group, connection unit, linker region and zinc binding group.
View Article and Find Full Text PDFUncontrolled cell proliferation is a hallmark of cancer. The major regulator of the cell cycle, cyclin dependent kinase 2 (CDK2), has become a mature target for cancer treatment. Herein, we describe our efforts toward the discovery of a series of benzofuro[3,2-b]quinoline alkaloid derivatives as CDK2 inhibitors through a scaffold hopping strategy.
View Article and Find Full Text PDFTacrine was the first approved drug by the FDA for the treatment of Alzheimer's disease (AD) but was withdrawn from the market due to its dose-dependent hepatotoxicity. Herein, we describe our efforts toward the discovery of a novel series of tacrine derivatives for cancer therapeutics. Intensive structural modifications of tacrine led to the identification of N-(4-{9-[(3S)-3-aminopyrrolidin-1-yl]-5,6,7,8-tetrahydroacridin-2-yl}pyridin-2-yl)cyclopropanecarboxamide hydrochloride ((S)-45, ZLWT-37) as a potent antiproliferative agent (GI = 0.
View Article and Find Full Text PDFBackground: Pulmonary infection in the emergency ICUs increases patient morbidity, hospital stay, treatment costs, and the risk of related adverse events.
Methods: This study included 695 patients admitted to our emergency ICU between December 2019 and March 2021. Medical records of emergency ICU patients were reviewed to collect their clinical data, including antibiotic use, history of tracheostomy, history of mechanical ventilation, presence or absence of underlying disease, history of smoking, alcohol consumption, age, gender, and history of shock.
Transition metal carbides have been studied extensively as anode materials for lithium-ion batteries (LIBs), but they suffer from sluggish lithium reaction kinetics and large volume expansion. Herein, a hierarchical MoC/C nanosheet composite has been synthesized through a rational pyrolysis strategy, and evaluated as an anode material with enhanced lithium storage properties for LIBs. In the hierarchical MoC/C nanosheet composite, large numbers of MoC nanosheets with a thickness of 40-100 nm are uniformly anchored onto/into carbon nanosheet matrices.
View Article and Find Full Text PDFA series of novel β-carboline 1,3,4-oxadiazole based hybrids were designed, synthesized, and tested for cytotoxicity and HDAC inhibition. Among the target compounds, compound ZDLT-1 displayed high inhibitory activity for class I HDACs 1, 2, and 3, and potent anti-proliferative activity against HCT116 cells with an IC value of 0.173 ± 0.
View Article and Find Full Text PDFThe natural product harmine, a representative β-carboline alkaloid from the seeds of Peganum harmala L. (Zygophyllaceae), possesses a broad spectrum of biological activities. In this study, a novel series of harmine derivatives containing N-benzylpiperidine moiety were identified for the treatment of Alzheimer's disease (AD).
View Article and Find Full Text PDFHearing loss is one of the most common symptoms of neurofibromatosis type 2 (NF2) caused by vestibular schwannomas (VSs). Fibrosis in the VS tumor microenvironment (TME) is associated with hearing loss in patients with NF2. We hypothesized that reducing the fibrosis using losartan, an FDA-approved antihypertensive drug that blocks fibrotic and inflammatory signaling, could improve hearing.
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