Publications by authors named "Kana Yokoyama"

This manuscript details the development and implementation of Mongolia's first official training program for child and adolescent psychiatry (CAP) specialists. This initiative, inspired by and developed in collaboration with Japanese CAP training models, addresses the substantial gap in specialized mental health services for children and adolescents in Mongolia. Our discussion elaborates on the collaborative efforts between the Mongolian National University of Medical Sciences, Nagoya University, and other partnering institutions, reflecting on the initial outcomes and the strategic importance of this program.

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Background: Systemic sclerosis (SSc) is a multiple-organ disease characterized by vascular damage, autoimmunity, and tissue fibrosis. Organ injuries such as interstitial lung diseases (ILD), resulting from inflammatory and fibrosis processes, lead to poor prognosis. Although autoantibodies are detected in the serum of patients with SSc, the mechanisms by which immune cells are involved in tissue inflammation and fibrosis is not fully understood.

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T follicular regulatory (Tfr) cells are a subset of CD4 T cells that express CXCR5 and migrate into germinal centers (GCs). They regulate GC reactions by communicating with T follicular helper (Tfh) and B cells. TNF inhibitors are used in inflammatory diseases; however, the generation of autoantibodies or anti-drug Abs sometimes causes problems.

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We describe a 49-year-old female patient with neuro-Behçet's disease (NBD) with acute onset of fever and symptoms of dementia. High-dose glucocorticoid was partially effective for cognitive impairment, and infliximab, an anti-TNF-α antibody, gradually improved the symptoms. An analysis of cytokines showed that IP-10 in the cerebrospinal fluid was higher than that in the peripheral blood, and both decreased after treatment.

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It is necessary to know the amount of food on dishes in order to encourage taking medicine after eating. Also, for health management, it is vital to record what and how much a person ate. Although there are research cases using weight sensors or color cameras, it has been difficult to estimate the food volume accurately and inexpensively at home.

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Background: Concomitant use of methotrexate (MTX) improves the clinical efficacy of anti-TNF agents in the treatment of rheumatoid arthritis (RA). We aimed to clarify the cytotoxic effect of MTX on transmembrane TNF (tmTNF)-expressing cells treated with anti-TNF agents.

Methods: Jurkat T cells stably expressing tmTNF were used for the following experiments.

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Bovine leukemia virus (BLV) is a retrovirus that causes enzootic bovine leucosis. Here, we designed a p24 enzyme-linked immunosorbent assay (ELISA) to detect antibodies specific for BLV capsid protein p24 (encoded by the gag gene) in bovine serum samples. The p24 gene was inserted into an Escherichia coli expression system, and recombinant proteins (GST-p24, p24, and His-p24) were purified.

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The effect of the solvent viscosity dependence of time-resolved magnetoluminescence (ML) on the delayed fluorescence of 9,10-diphenylanthracene (DPA) sensitized by platinum octaethylporphyrin has clarified the structure and dynamics of the triplet-triplet pair (TT), i.e., the transition state of triplet fusion.

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Based on sequences of two cosmid clones from Japanese quail (Coturnix japonica, Coja), we confirmed that the syntenic cluster, GNB2L1∼BTN1∼BTN2, is located in the quail TRIM subregion of the quail major histocompatibility complex (MHC Coja) region. These cosmids also included four CjBG loci and one CjLEC locus; therefore, the quail TRIM subregion was thought to be adjacent to the BG/LEC subregion. We then identified three polymorphic markers - CjHEP21, CjTRIM39.

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