Coronaviruses are characterized by their progeny assembly and budding in the endoplasmic reticulum-Golgi intermediate compartment (ERGIC). Our previous studies demonstrated that truncation of 9 amino acids in the cytoplasmic tail (CT) of the infectious bronchitis virus (IBV) spike (S) protein impairs its localization to the ERGIC, resulting in increased expression at the plasma membrane. However, the precise mechanism underlying this phenomenon remained elusive.
View Article and Find Full Text PDFPreeclampsia (PE) is a pregnancy-specific complication and there remains no effective treatment. Given the limitations on medication use during pregnancy, exploring natural, safe, and effective drugs for PE is worthwhile. We investigate the causal relationship between ferroptosis, inflammation, and PE, and determine the protective effects of quercetin (QCT), a representative compound that is classified as a flavanol, against endothelial dysfunction.
View Article and Find Full Text PDFDipeptidyl peptidase 4 (DPP4) is a serine protease widely distributed in membrane-bound and soluble forms in various tissues and organs throughout the body. DPP4 plays a role in inflammation, immune regulation, cell growth, migration and differentiation. The role of DPP4 in tumors has garnered increasing attention.
View Article and Find Full Text PDFMedicine (Baltimore)
November 2024
Rationale: Neuronal intranuclear inclusion disease (NIID) is a slowly progressing neurodegenerative disease with various manifestations and high heterogeneity. Clinical characteristics, imaging, skin biopsy, and genetic testing are necessary for its diagnosis. Electromyography may also be a useful tool for diagnosing NIID.
View Article and Find Full Text PDFBackground/purpose: Titanium dioxide nanotube (TNT) structures have been shown to enhance the early osseointegration of dental implants. Nevertheless, the optimal nanotube diameter for promoting osteogenesis remains unclear due to variations in cell types and manufacture of nanotubes. This study aimed to evaluate the differences in MC3T3-E1 and Saos-2 cells behavior on nanotubes of varying diameters.
View Article and Find Full Text PDFGlutathione (GSH) plays a crucial role in various physiological processes and its imbalances are closely related to various pathological conditions. Probes for detection and imaging of GSH are not only useful for understanding GSH chemical biology but are also important for exploring potential theranostic agents. Herein, we report a fast intramolecular thiol-activated arylselenoamides ()-based fluorescent probe using 2,4-dinitrophenyl alkylthioether as a sulfydryl-selective receptor for the first time.
View Article and Find Full Text PDFBackground: Early detection is crucial for improving survival of patients with ovarian cancer (OC), yet current diagnostic tools lack adequate sensitivity and specificity, especially for early stage disease. The study aimed to validate the serum small extracellular vesicles (sEV) protein based Ovarian Cancer Score (OCS) in detecting OC.
Methods: This multicenter study included 1183 adult females with adnexal masses from four hospitals in China (October 2019-April 2023).
Periodontitis, a widespread inflammatory disease, is the major cause of tooth loss in adults. While mechanical periodontal therapy benefits the periodontal disease treatment, adjunctive periodontal therapy is also necessary. Topically applied anti-inflammatory agents have gained considerable attention in periodontitis therapy.
View Article and Find Full Text PDFTo myelinate axons, oligodendrocyte precursor cells (OPCs) must stop dividing and differentiate into premyelinating oligodendrocytes (preOLs). PreOLs are thought to survey and begin ensheathing nearby axons, and their maturation is often stalled at human demyelinating lesions. Lack of genetic tools to visualize and manipulate preOLs has left this critical differentiation stage woefully understudied.
View Article and Find Full Text PDFObjective: Ondansetron orally soluble pellicle can serve as an alternative option for preventing nausea and vomiting in patients who receive chemotherapy. However, there is a lack of clinical evidence regarding ondansetron. This study aimed to explore the efficacy and safety of ondansetron in patients with malignant tumours who received chemotherapy drugs with a moderate-to-high emetic risk.
View Article and Find Full Text PDFThe objective of this study was to examine the efficacy of the concurrent utilization of estradiol valerate and kuntai capsule (a Chinese herbal preparation) in addressing premature ovarian failure (POF) and its ramifications for ovarian hemodynamics and sex hormone levels. A retrospective study of 104 patients with POF was conducted, dividing them into control (n=50) and observation groups (n=54). The control group received estradiol valerate, while the observation group received estradiol valerate and KunTai capsules over 12 weeks.
View Article and Find Full Text PDFNonalcoholic fatty liver disease (NAFLD) is a progressive condition characterized by ectopic fat accumulation in the liver, for which no FAD-approved drugs currently exist. Emerging evidence highlights the role of liver kinase B1 (LKB1), a key metabolic regulator, has been proposed in NAFLD, particularly in response to excessive nutrient levels. However, few agents have been identified that can prevent the progression of nonalcoholic steatohepatitis (NASH) by targeting LKB1 deacetylation.
View Article and Find Full Text PDFAims: Impairment of nitric oxide (NO) production is a major cause of endothelial dysfunction and hypertension. ClC-5 Cl channel is abundantly expressed in the vascular endothelium. However, it remains unclear how it regulates endothelial function.
View Article and Find Full Text PDFThe remyelination process within the diabetes mellitus (DM) brain is inhibited, and dynamic interactions between DNA methylation and transcription factors are critical for this process. Repressor element-1 silencing transcription factor (REST) is a major regulator of oligodendrocyte differentiation, and the role of REST on DM remyelination remains to be investigated. Here, we investigated the effects of REST and DNA methylation on DM remyelination and explored the underlying mechanisms.
View Article and Find Full Text PDFGenomics Proteomics Bioinformatics
December 2024
Noncoding cis-regulatory elements (CREs), such as transcriptional enhancers, are key regulators of gene expression programs. Accessible chromatin and H3K27ac are well-recognized markers for CREs associated with their biological function. Deregulation of CREs is commonly found in hematopoietic malignancies yet the extent to which CRE dysfunction contributes to pathophysiology remains incompletely understood.
View Article and Find Full Text PDFPurpose: Iodine nutrition during pregnancy plays an important role in fetal development and maternal outcomes. Iodine deficiency has been proved to be associated with maternal thyroid dysfunction, adverse fetal outcomes and neurodevelopmental disorders in offspring. At present, there are few studies concentrate on the effects of iodine excess during pregnancy on thyroid function, maternal and neonatal outcomes, and the results are still controversial.
View Article and Find Full Text PDFPodophyllotoxin (PPT) is a lignan isolated from the traditional Chinese medicine Dysosma Versipellis, with significant anti-tumor activity. However, its cardiotoxicity restricts its clinical application. This study aims to investigate the cardiotoxicity of PPT in mice and its underlying mechanisms based on the concept of toxicological evidence chain (TEC).
View Article and Find Full Text PDFIntroduction: , a parasite on the body surface of sheep, directly attacks the host through biting and sucking blood and may also transmit pathogens in the process. There are currently only a few studies on the microbial composition of , while there are no such studies on pupae.
Methods: In this study, samples AT-1 to AT-4 each contained four individuals, while sample AT-5 comprised four pupae, all used for metagenomic sequencing and analysis.
To elucidate the mechanisms of ozone gas (OG) and slight acid electrolyzed water (SA) on the quality changes in texture, water-holding capacity, and softening of salmon, the bacterial growth, total volatile basic nitrogen, thiobarbituric acid reactive substance, a* value, texture properties, carbonyl content and free sulfhydryl content, myofibrillar fragmentation index, and proteolytic activities of salmon treated by OG (1 mg/m for 10 min) and SA (ACC 30 mg/L, 5 min) individually and in combination were studied. The results showed that total viable counts of SA + OG (dipped in SAEW for 5 min, followed by exposure to ozone for 10 min) was about 3.36 log CFU/g lower than the control (CK) (dipped in distilled water for 5 min) on day 10.
View Article and Find Full Text PDFValley photonic crystals (VPCs) provide an intriguing approach to suppress backscattering losses and enable robust transport of light against sharp bends, which could be utilized to realize low-loss and small-footprint devices for on-chip optical communications. However, there are few studies on how to achieve power-efficient tunable devices based on VPCs, which are essential for implementing basic functions such as optical switching and routing. Here, we propose and experimentally demonstrate a thermally tunable add-drop filter (ADF) based on VPCs operating at telecommunication wavelengths.
View Article and Find Full Text PDFGene therapy has received great attention as a therapeutic approach to improve cardiac function post-myocardial infarction (MI), but its limitation lies in the lack of targeting. This study explored the use of ultrasound-targeted microbubble destruction (UTMD) technique to deliver β-catenin gene to the myocardium, aiming to evaluate its efficacy in preventing cardiac dysfunction post-MI. A cationic microbubble solution containing β-catenin gene pcDNA3.
View Article and Find Full Text PDFIntroduction: Alzheimer's Disease (AD) is the most common neurodegenerative disease, and timely and effective diagnosis is essential for the prevention and treatment of AD. Peripheral blood is readily available, inexpensive, and non-invasive, making it an ideal substrate for screening diagnostic biomarkers.
Method: The Notch signaling pathway is closely related to AD, so genes related to the Notch signaling pathway may be candidate diagnostic biomarkers for AD.
Porous organic frameworks (POFs), including metal-organic frameworks (MOFs) and covalent organic frameworks (COFs), have drawn attention as ion-selective materials due to their well-defined channels and functional sites. However, their individual limitations require novel approaches to maximize their potential. In this study, a hybrid bilayer membrane combining MOFs and COFs on a nylon substrate via consecutive liquid-liquid interface polymerization is developed.
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