Switching the location of metal atoms or ions in a molecule has been of great interest as a behavior of molecular machines. We describe herein that the reversible metal translocation can be coupled with the ligand-binding/release of organometallic complexes. The two rhodium moieties sandwiched between arylpolyene ligands exhibit metal-assembly and disassembly through reversible migration between the arene site and the olefin site, in response to the association and dissociation of additional ligands.
View Article and Find Full Text PDFThe proviral load (PVL) of the bovine leukemia virus (BLV) is a useful index for estimating disease progression and transmission risk. Real-time quantitative PCR techniques are widely used for PVL quantification. We previously developed a dual-target detection method, the "Liquid Dual-CoCoMo assay", that uses the coordination of common motif (CoCoMo) degenerate primers.
View Article and Find Full Text PDFVentriculoperitoneal shunt malfunction is a common complication in patients with lifelong hydrocephalus. We present a case of a 40-year-old man who successfully underwent endoscopic third ventriculostomy (ETV) for shunt malfunction following neonatal meningitis. Despite long-term shunt dependency and an infectious etiology, ETV effectively managed his hydrocephalus, probably due to aqueductal stenosis and preserved cerebrospinal fluid absorption.
View Article and Find Full Text PDFCoenzyme Q10 is an essential lipid in the mitochondrial electron transport system and an important antioxidant. It declines with age and in various diseases, there is a need for a method to compensate for the decrease in coenzyme Q10. Resveratrol, a well-known anti-aging compound, has been shown to undergo metabolism to coenzyme Q10's benzene ring moiety in cells.
View Article and Find Full Text PDFJ Mol Endocrinol
October 2024
Bovine leukemia virus (BLV) is prevalent worldwide, causing serious problems in the cattle industry. The BLV proviral load (PVL) is a useful index for estimating disease progression and transmission risk. We previously developed a quantitative real-time PCR (qPCR) assay to measure the PVL using the coordination of common motif (CoCoMo) degenerate primers.
View Article and Find Full Text PDFX-linked myotubular myopathy (XLMTM) is a rare congenital myopathy that commonly manifests with liver involvement. In most XLMTM cases, disease-causing variants have been identified in the myotubularin gene () on chromosome Xq28, which encodes myotubularin protein (MTM1). The impairment of mitochondrial respiratory chain (MRC) enzyme activity in muscle has been observed in the XLMTM mouse model.
View Article and Find Full Text PDFObjective: Stage migration in renal cell carcinoma (RCC) has led to an increasing proportion of diagnosed small renal masses. Emerging knowledge regarding heterogeneity of RCC histologies and consequent impact on prognosis led us to further explore outcomes and predictive factors in surgically-treated T1a RCC.
Methods: The INMARC database was queried for T1aN0M0 RCC.
Aims: The aim of the study is to report the clinical and pharmacological observations from a pregnant patient treated with erlotinib in the second and third trimesters of pregnancy.
Methods: Maternal and neonatal blood levels and safety of erlotinib and its metabolites were evaluated. Child development was monitored for 6 years.
Early and accurate cancer diagnosis is crucial for improving patient survival rates. Luminescent nanoparticles have emerged as a promising tool in fluorescence bioimaging for cancer diagnosis. To enhance diagnostic accuracy, ligands promoting endocytosis into cancer cells are commonly incorporated onto nanoparticle surfaces.
View Article and Find Full Text PDFMany emerging and re-emerging infectious diseases are prevalent, and the number of patients with allergies is increasing. Therefore, the importance of purifying the living environment is increasing. Photocatalysts undergo extreme redox reactions and decompose organic matter upon exposure to the excitation light.
View Article and Find Full Text PDFA plasmonic metasurface composed of a self-assembled monolayer of gold nanoparticles allows for fluorescence imaging with high spatial resolution, owing to the collective excitation of localized surface plasmon resonance. Taking advantage of fluorescence imaging confined to the nano-interface, we examined actin organization in breast cancer cell lines with different metastatic potentials during cell adhesion. Live-cell fluorescence imaging confined within tens of nanometers from the substrate shows a high actin density spanning < 1 μm from the cell edge.
View Article and Find Full Text PDF1Using computational methods, we designed 60-mer nanoparticles displaying SARS-like betacoronavirus (sarbecovirus) receptor-binding domains (RBDs) by () creating RBD sequences with 6 mutations in the SARS-COV-2 WA1 RBD that were predicted to retain proper folding and abrogate antibody responses to variable epitopes (mosaic-2s; mosaic-5), and () selecting 7 natural sarbecovirus RBDs (mosaic-7). These antigens were compared with mosaic-8b, which elicits cross-reactive antibodies and protects from sarbecovirus challenges in animals. Immunizations in naïve and COVID-19 pre-vaccinated mice revealed that mosaic-7 elicited higher binding and neutralization titers than mosaic-8b and related antigens.
View Article and Find Full Text PDFShort tandem repeats are inherently unstable during DNA replication depending on repeat length, and the expansion of the repeat length in the human genome is responsible for repeat expansion disorders. Pentanucleotide AAGGG and ACAGG repeat expansions in intron 2 of the gene encoding replication factor C subunit 1 (RFC1) cause cerebellar ataxia, neuropathy, vestibular areflexia syndrome (CANVAS) and other phenotypes of late-onset cerebellar ataxia. Herein, we reveal the structural polymorphism of the RFC1 repeats associated with CANVAS in vitro.
View Article and Find Full Text PDFBovine leukemia virus (BLV) is the etiological agent of enzootic bovine leukosis, the most prevalent neoplastic disease of cattle worldwide. The immune response to BLV and disease susceptibility and resistance in cattle are strongly correlated with the bovine leukocyte antigen ()- allelic polymorphism. BLV infection continues to spread in Egypt, in part because the relationships between BLV infection, proviral load in Egypt, and polymorphism are unknown.
View Article and Find Full Text PDFBackground/aim: The COVID-19 pandemic has forced medical institutions to scale back their practice. Changes in patient behavior seemed to be having an impact. We conducted a survey with the aim of reviewing lung cancer treatment during the pandemic period and identifying problems.
View Article and Find Full Text PDFBovine leukemia virus (BLV) has spread worldwide and causes serious problems in the cattle industry owing to the lack of effective treatments and vaccines. Bovine leukemia virus is transmitted via horizontal and vertical infection, and cattle with high BLV proviral load (PVL), which is a useful index for estimating disease progression and transmission risk, are considered major infectious sources within herds. The PVL strongly correlates with highly polymorphic bovine lymphocyte antigen (BoLA)-DRB3 alleles.
View Article and Find Full Text PDFAllergies to dogs and cats can cause enormous damage to human health and the economy. Dog and cat allergens are mainly found in dog and cat dander and are present in small particles in the air and in carpets in homes with dogs and cats. Cleaning houses and washing pets are the main methods for reducing allergens in homes; however, it is difficult to eliminate them completely.
View Article and Find Full Text PDFA woman in her 70s presented to our hospital with complaints of cough and dyspnea. Computed tomography(CT) images showed a large amount of left pleural effusion, pleural tumors, and mediastinal lymphadenopathy. Left thoracic drainage was performed, and high-grade fetal lung adenocarcinoma was suspected upon pleural effusion-cell block immunostaining.
View Article and Find Full Text PDFCoenzyme Q (CoQ) is important not only as an essential lipid for the mitochondrial electron transport system, but also as an antioxidant. CoQ levels decrease during aging and in various diseases. Orally administered CoQ is not readily taken up in the brain, so it is necessary to develop a method to increase the amount of CoQ in neurons.
View Article and Find Full Text PDFEnzootic bovine leukosis caused by the bovine leukemia virus (BLV) results in substantial damage to the livestock industry; however, we lack an effective cure or vaccine. polymorphism in BLV-infected cattle is associated with the proviral load (PVL), infectivity in the blood, development of lymphoma, and in utero infection of calves. Additionally, it is related to the PVL, infectivity, and anti-BLV antibody levels in milk.
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