Publications by authors named "Takaoka K"

Background: Previous clinical studies suggest that preserving the anterior cruciate ligament (ACL) is crucial for stable knee motion and long-term longevity of the reconstructed knee. The ACL damage or loss often occurs in advanced medial osteoarthritis (OA). This study aimed to investigate the correlation between ACL damage and varus deformity progression as a risk factor for ACL tears in knee OA.

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  • * The analysis included data from 81 articles and indicated that the overall incidence of treatment-related pancreatitis was low (0.68% for any-grade, 0.32% for grade 3-5), but the addition of ICIs significantly increased these rates.
  • * Treatment outcomes showed that glucocorticoids were commonly used, while a high percentage of patients (76.5%) had to discontinue ICI therapy due to these adverse events, indicating important clinical implications for managing ICI-related pancreatitis.
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The synthesis of mesoporous zeolites has garnered attention with regard to improving their catalytic and adsorption performances. While the hard-templating method provides opportunities to design precisely controlled hierarchical micro- and mesoporous structures, synthesizing mesoporous zeolites without external precipitation requires significant work. This is mainly due to the absence of usable templates other than carbon with hydrophobic surfaces.

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  • This report discusses the replacement of fixed implant-supported prostheses (FIP) with implant overdentures (IOD) in an older Parkinson's disease patient to enhance oral hygiene and manage mucosal health.
  • The patient struggled with various health issues, including hospitalization for cholecystitis and aspiration pneumonia, which complicated ongoing dental care and maintenance of the IOD.
  • Despite efforts to manage the patient's condition and provide regular oral cleaning, complications like mucosal ulcers and peri-implantitis persisted, ultimately leading to inadequate care and hospital readmission.
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Unlabelled: Evans syndrome (ES) is a rare autoimmune disorder characterised by autoimmune haemolytic anaemia (AIHA), immune thrombocytopenia and autoimmune neutropenia. The precise pathogenesis of ES remains unclear, but it is believed to involve immune-mediated destruction of erythrocytes and platelets. Thrombotic complications, such as stroke, are critical yet largely unrecognised in ES.

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  • Atypical lymphoplasmacytic and immunoblastic proliferation (ALPIBP) was first identified in 1984 in lymph nodes linked to autoimmune diseases but lacks a clear definition and understanding.
  • A review of peer-reviewed literature revealed 55 cases of ALPIBP, predominantly affecting older women, with common diagnoses including rheumatoid arthritis, systemic lupus erythematosus, and autoimmune hemolytic anemia.
  • There is a need for increased awareness of ALPIBP among pathologists and clinicians to prevent misdiagnosis and unnecessary treatments related to hematological malignancies.
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  • Ahed is a newly identified gene in haematopoiesis that plays a crucial role in blood cell development, discovered through screening mutant embryonic stem cells.
  • Conditional knockout of Ahed leads to severe anemia and prenatal death, as its absence hampers the ability of haematopoietic cells to regenerate in living organisms.
  • Deletion of Ahed disrupts multiple biological pathways in adult mice and is linked to mutations found in cancer patients, highlighting its importance in both normal blood development and potential involvement in cancers.
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Monoclonal gammopathy of undetermined significance (MGUS) is a premalignant clonal plasma cell disorder characterized by monoclonal immunoglobulins and/or an abnormal free immunoglobulin light chain ratio. MGUS can be associated with immune-mediated neuropathies, including chronic inflammatory demyelinating neuropathy and its variants. Here, we report the case of a 76-year-old male who presented with progressive weakness, initially in the lower extremities and later including the upper extremities.

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Women are born with all of their oocytes. The oocyte proteome must be maintained with minimal damage throughout the woman's reproductive life, and hence for decades. Here we report that oocyte and ovarian proteostasis involves extreme protein longevity.

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Cancer stem cells (CSCs), which are critical targets for cancer therapy as they are involved in drug resistance to anticancer drugs, and metastasis, are maintained by angiocrine factors produced by particular niches that form within tumor tissue. Secreted frizzled-related protein 1 (Sfrp1) is an extracellular protein that modulates Wnt signaling. However, the cells that produce Sfrp1 in the tumor environment and its function remain unclear.

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Desmoplastic small round cell tumors (DSRCT) are very rare and aggressive diseases typically present with abdominal or retroperitoneal masses. We present a case of a young female who presented with ST-segment elevation myocardial infarction and cardiac tamponade and who was found to have DSRCT. The patient was coded at the emergency department.

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Post-transplant lymphoproliferative disorders (PTLDs) are lymphoproliferative diseases that occur after solid organ transplantation or hematopoietic stem cell transplantation (HSCT). The development of PTLD is often associated with reactivation of Epstein-Barr virus (EBV). A 26-year-old woman with a history of HSCT and total-body irradiation developed spinal cord hemorrhage from a radiation-induced cavernous hemangioma (RICH) shortly after the development of classical Hodgkin lymphoma PTLD with EBV reactivation.

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Background: Expression of programmed death ligand-1 (PD-L1) is related to the prognosis of many solid malignancies, including oral squamous cell carcinoma (OSCC), but the mechanism of PD-L1 induction remains obscure. In this study, we examined the expression of PD-L1 and partial epithelial-mesenchymal transition (pEMT) induced by bacterial lipopolysaccharide (LPS) in OSCC.

Methods: The expression of Toll-like receptor 4 (TLR4) recognizing LPS in OSCC cell lines was analyzed.

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Cu nanoparticles (NPs) as catalysts have the good advantage of being more abundant than noble metal NPs. In this study, we synthesized nonaggregating Cu NPs supported in Y-type zeolite by the photoreduction method. In this method, Cu ions in pores of zeolite can be slowly reduced with a small amount of reductant at room temperature.

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Hybrid cluster proteins (HCPs) are Fe-S-O cluster-containing metalloenzymes in three distinct classes (class I and II: monomer, III: homodimer), all of which structurally related to homodimeric Ni, Fe-carbon monoxide dehydrogenases (CODHs). Here we show X-ray crystal structure of class III HCP from Methanothermobacter marburgensis (Mm HCP), demonstrating its homodimeric architecture structurally resembles those of CODHs. Also, despite the different architectures of class III and I/II HCPs, [4Fe-4S] and hybrid clusters are found in equivalent positions in all HCPs.

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Gse1 is a component of the CoREST complex that acts as an H3K4 and H3K9 demethylase and regulates gene expression. Here, we examined the expression and role of Gse1 in mouse development. Gse1 is expressed in male and female germ cells and plays both maternal and zygotic roles.

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Granulocyte colony-stimulating factor (G-CSF) regulates the survival, proliferation and differentiation of all cells in the neutrophil lineage, and is consequently used for neutropenic conditions. Upon G-CSF administration, osteoblasts and osteocytes are suppressed, and the support system allowing hematopoietic stem cells to remain in the microenvironment is diminished. The present study focused on and investigated G-CSF as a regulatory factor of bone remodeling.

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  • - This study analyzes choroid plexus tumors (CPT) in the U.S. between 2004 and 2017, using data from 2013 patients to assess incidence rates and survival outcomes across different tumor subtypes: choroid plexus papilloma (CPP), atypical choroid plexus papilloma (aCPP), and choroid plexus carcinoma (CPC).
  • - The highest incidence rates were found in CPP (0.034 per 100,000), followed by CPC (0.008) and aCPP (0.005), especially among infants under one year old, indicating that CPC has the poorest survival outcomes, with patients five times more likely to die compared to those with CPP
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Objective: For assessment of therapeutic response in medication-related osteonecrosis of the jaw (MRONJ) cases, the clinical usefulness of quantitative bone single-photon computed tomography-computed tomography (SPECT/CT) results was investigated.

Materials And Methods: Sixteen patients (18 lesions) with a clinical diagnosis of MRONJ underwent bone SPECT/CT scanning before and during/after anti-inflammatory therapy given for 3 or more months. The GI-BONE software package was used to determine standard uptake values (SUVs), including maximum (SUVmax), peak (SUVpeak), and mean (SUVmean), and metabolic bone volume (MBV) and also total bone uptake (TBU).

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Taxol is a clinically used drug for the treatment of various types of cancers. Its 6/8/6/4-membered ring (ABCD-ring) system is substituted by eight oxygen functional groups and flanked by four acyl groups, including a β-amino acid side chain. Here we report a 34-step total synthesis of this unusually oxygenated and intricately fused structure.

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Background/purpose: Vascular endothelial growth factor receptor (VEGFR) expression in oral squamous cell carcinoma (OSCC) promotes tumor growth through both autocrine and paracrine signaling. VEGF-positive OSCC cases are associated with a high depth of invasion, increased metastasis, and poor prognosis. In this study we established and then molecularly and functionally analyzed an OSCC cell line that co-expresses VEGF-A, VEGFR-1, and VEGFR-2, termed HCM-SqCC010 cells.

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For left-right symmetry breaking in the mouse embryo, the basal body must become positioned at the posterior side of node cells, but the precise mechanism for this has remained unknown. Here, we examined the role of microtubules (MTs) and actomyosin in this basal body positioning. Exposure of mouse embryos to agents that stabilize or destabilize MTs or F-actin impaired such positioning.

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Background: Pineoblastoma (PB) is a rare malignant brain tumor originating in the pineal gland. Here, we provide a comprehensive epidemiological analysis of PB in the United States from 2000 to 2017.

Methods: Data on 1133 patients with PB were acquired from the Central Brain Tumor Registry of the United States, in collaboration with the Centers for Disease Control and Prevention and the National Cancer Institute, from 2000 to 2017.

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Mucoepidermoid carcinoma (MEC) is the most common malignant tumor of the major and minor salivary glands. Surgical resection is the only curative treatment and there is no effective post-operative therapy for MEC. The present study reports an Institutional Review Board-approved case of a 45-year-old Japanese female diagnosed with low-grade MEC in the hard palate.

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