Magnetogenetics was developed to remotely control genetically targeted neurons. A variant of magnetogenetics uses magnetic fields to activate transient receptor potential vanilloid (TRPV) channels when coupled with ferritin. Stimulation with static or RF magnetic fields of neurons expressing these channels induces Ca transients and modulates behavior.
View Article and Find Full Text PDFThe relationship between sound complexity and the underlying morphology and physiology of the vocal organ anatomy is a fundamental component in the evolution of acoustic communication, particularly for fishes. Among vertebrates, the mammalian larynx and avian syrinx are the best-studied vocal organs, and their ability to produce complex vocalizations has been modeled. The range and complexity of the sounds in mammalian lineages have been attributed, in part, to the bilateral nature of the vocal anatomy.
View Article and Find Full Text PDFMicromachines (Basel)
September 2023
A new co-simulation method is proposed for active devices and electromagnetic resonant circuits at microwave frequency range. For the measured and extracted device parameters, three steps of equivalent circuit models are processed of the general, simplified, and EM RLC models. To overcome the limited lumped element simulation in an electromagnetic simulator, the simplified equivalent circuit model is established by mathematical computation.
View Article and Find Full Text PDFImportance: Immunoglobulin G autoantibodies for aquaporin 4 (AQP4-IgG) serve as diagnostic biomarkers for neuromyelitis optica spectrum disorder (NMOSD), and the most sensitive and specific laboratory tests for their detection are cell-based assays (CBAs). Nevertheless, the limited availability of special instruments limits the widespread use of CBAs in routine laboratories.
Objective: To validate an enzyme immunodot assay for simple and rapid detection of AQP4-IgG.
Multiple sclerosis (MS) is a demyelinating disease caused by auto-antigen recognizing CD4 T cells. However, IL-17A-producing CD4 T cells that are bystander-activated by IL-1β and IL-23, and T cell receptors independently, could contribute to experimental autoimmune encephalomyelitis. Here, we studied the differences in the frequency and function of bystander-activated CD4 T cells in patients with MS.
View Article and Find Full Text PDFThe role of B cells in immune response regulation is context dependent. In some cases, bystander B cell activation leads to interleukin-10 (IL-10) production, suppressing inappropriate immune responses. However, the role of B cells in regulation of autoimmune diseases, including neuromyelitis optica spectrum disorder (NMOSD), is incompletely understood.
View Article and Find Full Text PDFObjective: Many epidemiological studies have observed the association of air pollutant exposure with the onset, progression, and mortality of stroke. The aim of this study was to investigate the associations of air pollutants, including SO, NO, O, CO, and PM, with stroke according to exposure duration.
Methods: Data from the Korean National Health Insurance Service-Health Screening Cohort from 2002 to 2015 were obtained.
Although a bioabsorbable bone hemostatic agent (BBHA) was developed approximately 20 years ago to overcome the shortcomings of conventional bone wax, its bleeding control capacity has not yet been studied. This study was aimed at investigating the efficacy and safety of BBHA in total knee arthroplasty (TKA). Sixty-two patients who underwent unilateral primary TKA for knee osteoarthritis were included and randomized to the control or BBHA group.
View Article and Find Full Text PDFPrevious studies have suggested an increased risk of ischemic heart disease related to air pollution. This study aimed to explore both the short-term and long-term effects of air pollutants on the risk of ischemic heart disease after adjusting for meteorological factors. The Korean National Health Insurance Service-Health Screening Cohort from 2002 to 2013 was used.
View Article and Find Full Text PDFPrevious studies have suggested an increased risk of depression related to air pollutants. This study investigated the relationship of air pollutant exposure and meteorological factors with depression. The Korean National Health Insurance Service-Health Screening Cohort from 2002 to 2013 was analyzed.
View Article and Find Full Text PDFThis study was done to produce γ-aminobutyric acid (GABA) from wild yeast as well as investigate its anti-hyperglycemic effects. Among ten GABA-producing yeast strains, UL6-1 and 402-JB-1 produced high GABA concentration of 134.4 µg/mL and 179.
View Article and Find Full Text PDFSeveral types of yeasts were isolated from wild flowers around Jangseong Lake in Jeollanam-do, Republic of Korea and identified by comparing the nucleotide sequences of the PCR amplicons for the D1/D2 variable domain of the 26S ribosomal DNA using Basic Local Alignment Search Tool (BLAST) analysis. In total, 60 strains from 18 species were isolated, and Pseudozyma spp. (27 strains), which included Pseudozyma rugulosa (7 strains) and Pseudozyma aphidis (6 strains), was dominant species.
View Article and Find Full Text PDF