Publications by authors named "Fujimoto M"

Aberrant immune responses to viral pathogens contribute to pathogenesis, but our understanding of pathological immune responses caused by viruses within the human virome, especially at a population scale, remains limited. We analyzed whole-genome sequencing datasets of 6,321 Japanese individuals, including patients with autoimmune diseases (psoriasis vulgaris, rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), pulmonary alveolar proteinosis (PAP) or multiple sclerosis) and coronavirus disease 2019 (COVID-19), or healthy controls. We systematically quantified two constituents of the blood DNA virome, endogenous HHV-6 (eHHV-6) and anellovirus.

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High-energy nuclear collisions create a quark-gluon plasma, whose initial condition and subsequent expansion vary from event to event, impacting the distribution of the eventwise average transverse momentum [P([p_{T}])]. Disentangling the contributions from fluctuations in the nuclear overlap size (geometrical component) and other sources at a fixed size (intrinsic component) remains a challenge. This problem is addressed by measuring the mean, variance, and skewness of P([p_{T}]) in ^{208}Pb+^{208}Pb and ^{129}Xe+^{129}Xe collisions at sqrt[s_{NN}]=5.

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Human cognition is reflected in gaze behavior, which involves eye movements to fixate or shift focus between areas. In natural interactions, gaze behavior serves two functions: signal transmission and information gathering. While expert gaze as a tool for gathering information has been studied, its underlying cognitive processes remain insufficiently explored.

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Psoriasis is a multifactorial disorder mediated by IL-17-producing T cells, involving immune cells and skin-constituting cells. Semaphorin 4A (Sema4A), an immune semaphorin, is known to take part in T helper type 1/17 differentiation and activation. However, Sema4A is also crucial for maintaining peripheral tissue homeostasis and its involvement in skin remains unknown.

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Kawasaki disease (KD) is an idiopathic acute inflammatory illness that commonly affects children in Northeast Asian countries. In this case report, a psoriasiform eruption appeared on the face and extremities following the onset of KD. A review of previous reports identified 38 cases of psoriasiform eruptions following KD, typically appearing 4 days to 2 months after the onset of KD, unlike other skin manifestations associated with the disease.

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"Wound, Pressure Ulcer, and Burn Guidelines-5: Guidelines for the management of lower leg ulcers and varicose veins, second edition" is revised from the first edition, which was published in the Japanese Journal of Dermatology in 2011. The guidelines were drafted by the Wound, Pressure Ulcer, and Burn Guidelines Drafting Committee delegated by the Japanese Dermatological Association and intend to facilitate physicians' clinical decisions in preventing, diagnosing and management of lower leg ulcers and varicose veins. We updated all sections by collecting documents published since the publication of the first edition.

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Remimazolam is a newly developed benzodiazepine. Early recovery from anesthesia because of its ultra-short acting effect and less hemodynamic side effects has been reported as the specific advantages of remimazolam. Therefore, the maintenance of anesthesia with propofol may be sometimes switched to remimazolam anesthesia maintenance during surgery because of the risk of delayed awakening and unstable hemodynamics.

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Systemic sclerosis (SSc) is a complex autoimmune disease characterized by fibrosis, vascular abnormalities, and immune dysfunction, with no definitive cure. Patients with progressive pulmonary fibrosis face a high mortality risk, underscoring the urgent need for effective treatments. Although fibroblasts are recognized as key drivers of fibrosis, the precise molecular mechanisms remain poorly understood.

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Article Synopsis
  • Erdheim-Chester disease (ECD) is a rare condition involving abnormal cell growth, characterized by specific types of histiocytes and granulomas leading to tissue fibrosis.
  • About 50% of ECD patients show cardiovascular issues on imaging, but detailed pathological findings are not widely reported.
  • An autopsy of an ECD patient revealed a link between arterial blockages and a BRAF gene mutation, suggesting the need to investigate BRAF mutations in ECD patients with arterial complications.
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Ubiquitin-specific protease 2 (USP2) maintains mitochondrial integrity in culture myoblasts. In this study, we investigated the molecular mechanisms underlying the protective role of USP2 in mitochondria. The knockout (KO) of the gene or the chemical inhibition of USP2 induced a robust accumulation of mitochondrial reactive oxygen species (ROS), accompanied by defects in mitochondrial membrane potential, in C2C12 myoblasts.

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Robotic rehabilitation is a high-intensity intervention for upper limb paralysis after a stroke. This study explored the safety and feasibility of using a single-joint hybrid assistive limb (HAL-SJ) exoskeletal device for upper limb paralysis in patients with acute stroke. In total, 11 patients with stroke (6 with moderate paralysis and 5 with severe paralysis) were enrolled between October 2021 and October 2023 in a stroke care unit.

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Background: Children's social behavior develops through diverse experiences. However, the relationship between children's experiences of celebratory events and their behavioral development has not been previously quantified. Therefore, this study aimed to quantitatively explore this relationship.

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H3K27M-mutant diffuse midline gliomas (DMGs) express high levels of the disialoganglioside GD2 (ref. ). Chimeric antigen receptor-modified T cells targeting GD2 (GD2-CART) eradicated DMGs in preclinical models.

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Article Synopsis
  • * Thirty-one participants underwent either PERT or VOL training, consisting of 80 lateral and some anterior/posterior step trials, and various outcome measures were assessed, including step initiation time and step length.
  • * Results showed that the PERT group initiated lateral steps faster with their non-paretic leg and improved overall stepping performance and balance more significantly than the VOL group, suggesting external perturbation training offers greater benefits for stroke recovery.
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Staphylococcus aureus can cause outbreaks and becomes multi-drug resistant through gene mutations and acquiring resistance genes. However, why S. aureus easily adapts to hospital environments, promoting resistance and recurrent infections, remains unknown.

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Recently, intranasal dexmedetomidine (DEX) has been reported to be effective as a preanesthetic medication, mostly in healthy pediatric patients. We attempted to administer intranasal DEX premedication in this case to an adult patient with intellectual disability who previously had difficulty tolerating premedication with oral midazolam. Using an intranasal atomization delivery device (MAD Nasal, Teleflex), we administered 1.

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Craniopharyngiomas, including adamantinomatous (ACP) and squamous papillary (PCP) types, are challenging to treat because of their proximity to crucial pituitary structures. This study aimed to characterize the cellular composition, tumor tissue diversity, and cell-cell interactions in ACPs and PCPs using single-cell RNA sequencing. Single-cell clustering revealed diverse cell types, further classified into developing epithelial, calcification, and immune response for ACP and developing epithelial, cell cycle, and immune response for PCP, based on gene expression patterns.

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A search for the exclusive hadronic decays W^{±}→π^{±}γ, W^{±}→K^{±}γ, and W^{±}→ρ^{±}γ is performed using up to 140  fb^{-1} of proton-proton collisions recorded with the ATLAS detector at a center-of-mass energy of sqrt[s]=13  TeV. If observed, these rare processes would provide a unique test bench for the quantum chromodynamics factorization formalism used to calculate cross sections at colliders. Additionally, at future colliders, these decays could offer a new way to measure the W boson mass through fully reconstructed decay products.

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Article Synopsis
  • - The ATLAS experiment at the LHC conducted a search for long-lived particles (LLPs) using a large dataset (140 fb^{-1}) from proton-proton collisions at 13 TeV, focusing on LLPs with masses from 5 to 55 GeV that decay within the inner detector.
  • - The study considered scenarios where LLPs are produced from exotic Higgs boson decays and models involving axionlike particles (ALPs).
  • - No significant findings above expected background levels were detected, leading to the establishment of upper limits on various production rates involving the Higgs boson and the top quark related to LLPs and ALPs.
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  • * It involved 312 PAC samples and 315 renin samples, finding that PAC values from CLEIA and liquid chromatography/mass spectrometry/mass spectrometry (LC-MS/MS) were highly correlated, while RIA showed more false positives.
  • * The results indicate that using PAC from CLEIA improves PA detection rates and that weak mineralocorticoids affect PAC measurements, notably in the traditional RIA method.
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  • The study assesses the effectiveness of three large language models (LLMs) - ChatGPT-4, Gemini 1.0, and Claude 3 Opus - in answering questions from the Japanese Dental Society of Anesthesiology Board Certification Examination (JDSABCE) to explore their potential in enhancing dental anesthesiology practices.* -
  • Among the models tested, ChatGPT-4 outperformed the others with a correct answer rate of 51.2%, followed by Claude 3 Opus at 47.4% and Gemini 1.0 at 30.3%, particularly excelling in areas like basic physiology and patient management challenges.* -
  • The findings suggest that LLMs, especially ChatGPT
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In CT-guided percutaneous punctures-an image-guided puncture method using CT images-physicians treat targets such as lung tumors, liver tumors, renal tumors, and intervertebral abscesses by inserting a puncture needle into the body from the exterior while viewing images. By recognizing two-dimensional CT images prior to a procedure, a physician determines the least invasive puncture route for the patient. Therefore, the candidate puncture route is limited to a two-dimensional region along the cross section of the human body.

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Heat shock response is characterized by the induction of heat shock proteins (HSPs) or molecular chaperones that maintain protein homeostasis. Heat shock transcription factor 1 (HSF1) plays a central role in heat shock response in mammalian cells. To investigate the impact of the heat shock response mechanism on steroidogenesis, we generated MA-10 mouse Leydig tumor cells deficient in HSF1 using CRISPR-Cas9 genome editing.

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