2,703 results match your criteria: "Kanazawa University Graduate School of Medical[Affiliation]"

We previously reported that combined therapy with epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) osimertinib and AXL inhibitor ONO-7475 is effective in preventing the survival of drug-tolerant cells in high-AXL-expressing EGFR-mutated non-small cell lung cancer (NSCLC) cells. Nevertheless, certain residual cells are anticipated to eventually develop acquired resistance to this combination therapy. In this study, we attempted to establish a multidrug combination therapy from the first-line setting to overcome resistance to this combination therapy in high-AXL-expressing EGFR-mutated NSCLC.

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  • Oxidative stress is linked to distal sensorimotor polyneuropathy (DSPN), and this study explores the role of selenoprotein P, an antioxidant protein, in individuals with and without type 2 diabetes (T2D).
  • In a study with over 1,000 participants, higher levels of selenoprotein P were found to be protective against prevalent DSPN in individuals without T2D, while no such association was observed in those with T2D.
  • The findings suggest that lower levels of selenoprotein P are associated with a higher prevalence of DSPN in older adults without T2D, highlighting the need for further research to understand the antioxidant properties of s
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Immunoglobulin G4 (IgG4)-related disease is a clinical entity characterized by elevated serum IgG4 concentrations and infiltration of IgG4-immunopositive plasmacytes in various organs, including ophthalmic lesions. Diagnostic criteria for IgG4-related ophthalmic disease (IgG4-ROD) were established in 2014 and describe the most affected ocular adnexal tissues such as lacrimal glands, trigeminal nerves and extraocular muscles, but do not mention optic neuropathy, the most severe indication of ophthalmic lesions. We reviewed published case reports of optic neuropathy in IgG4-related disease (n = 44), and in many cases, decreased visual acuities recovered well following treatment such as systemic corticosteroids, rituximab, and orbital surgery.

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Expression of activity-regulated transcripts in pyramidal neurons across the cortical visuospatial working memory network in unaffected comparison individuals and individuals with schizophrenia.

Psychiatry Res

September 2024

Department of Psychiatry and Behavioral Science, Kanazawa University Graduate School of Medical Sciences, Kanazawa, 920-8640, Japan; Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA 15213, USA; National Hospital Organization Hokuriku Hospital, Nanto, 939-1893, Japan. Electronic address:

Article Synopsis
  • The study talks about how people with schizophrenia have problems with visuospatial working memory, which is the ability to remember visual information and how things relate to each other in space.
  • Researchers found that certain brain cells called PV and SST neurons don't work as well in people with schizophrenia, and this affects other brain cells called pyramidal neurons.
  • The scientists measured specific transcripts (kind of like instructions for how cells work) in different brain areas and found that people with schizophrenia had lower levels, which could cause the memory problems they experience.
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  • The review aims to assess the methods, complications, and results of Descemet membrane endothelial keratoplasty (DMEK) specifically for patients with aphakic, aniridic, and vitrectomized eyes.
  • A literature search covering articles from January 2014 to March 2024 yielded twenty studies, finding no randomized trials and revealing a mean rebubbling rate of 29% and a 37% loss of endothelial cells at 6 months.
  • The study concludes that, although DMEK is more complicated, it is still a viable treatment option for managing endothelial problems in complex eyes, showing similar outcomes to non-complex cases.
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Tumor blood vessels are highly leaky in structure and have poor blood perfusion, which hampers infiltration and function of CD8T cells within tumor. Normalizing tumor vessels is thus thought to be important in promoting the flux of immune T cells and enhancing ant-tumor immunity. However, how tumor vasculature is normalized is poorly understood.

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Objective To determine whether nutritional status is related to the incidence of thrombosis and mortality in patients with Coronavirus disease 2019 (COVID-19). Methods A total of 496 consecutive patients who were admitted and diagnosed with COVID-19 between April 2020 and March 2023 were retrospectively analyzed. The geriatric nutritional risk index (GNRI) on admission was calculated as follows: 14.

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  • A study investigated the prevalence and effects of cerebrovascular disease found on pre-procedure CT scans in patients undergoing aortic valve replacement (AVR) due to severe aortic stenosis.
  • Out of 567 patients, 35.3% had cerebrovascular disease, but only 28.5% of these patients reported prior strokes.
  • The findings revealed that those with cerebrovascular disease had a significantly higher 3-year incidence of death or stroke (40.7%) compared to those without (24.1%), indicating they faced worse clinical outcomes regardless of their history of symptomatic stroke.
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Intrahepatic cholangiocarcinoma (iCCA) exhibits different blood imaging features and prognosis depending on histology. To clarity histopathological growth patterns (HGPs) and vascularization processes of iCCA, we collected 145 surgical specimens and histologically classified them into large bile duct (LBD) (20 cases), small bile duct (SBD) (54), cholangiolocarcinoma (CLC) (35), combined SBD-CLC (cSBD-CLC) (26), and ductal plate malformation (DPM) (10) (sub)types. According to the invasive pattern at the interface between tumor and adjacent background liver, HGPs were classified into desmoplastic, pushing, and replacing HGPs.

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Background: Pleuroparenchymal fibroelastosis (PPFE) is a rare idiopathic interstitial lung disease (ILD) characterized by subpleural parenchymal fibrosis and elastosis mainly in the upper lobes. PPFE occurs in a secondary form that overlaps with underlying medical conditions or complications. This study evaluated the clinical impact of coexisting factors on the survival of patients with PPFE.

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  • This study explored how membranes form around bones treated with liquid nitrogen and their role in healing using a rat model with femur defects.
  • Researchers compared frozen bone to those treated with polymethylmethacrylate (PMMA) and analyzed factors like bone morphogenetic protein 2 (BMP2) and transforming growth factor (TGF)-β1.
  • Findings indicated that the membranes around liquid nitrogen-treated bones enhance osteogenesis, leading to quicker bone union and more new bone volume compared to PMMA-treated bones.
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Epidemiological studies predict that chicken eggs contain constituents other than proteins that prevent Alzheimer's disease. This study screened for constituents that inhibit the aggregation of amyloid β peptide (Aβ) and elucidated their mechanisms to explore the active components of chicken eggs. Thioflavin T assays and transmission electron microscopy observations showed that arachidonic acid (ARA), lysophosphatidylcholine, lutein (LTN), palmitoleic acid, and zeaxanthin inhibited Aβ aggregation.

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Hepatobiliary mucoepidermoid carcinoma is a rare malignant tumor comprising mucous, intermediate, and epidermoid cells. Herein, we presented a case of primary liver mucoepidermoid carcinoma preoperatively misdiagnosed as conventional intrahepatic cholangiocarcinoma. A 67-year-old male was admitted to our hospital.

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Background: The concomitant use of denosumab and immune checkpoint inhibitor (ICI) treatment may have synergistic effects and enhance antitumor activity; however, this has not been fully evaluated. This study aimed to evaluate the clinical outcomes of non-small cell lung cancer (NSCLC) patients with bone metastases receiving combination therapy and to identify the best combination regimen.

Methods: Eighty-six NSCLC patients with bone metastases who received ICI treatment were enrolled in this study.

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The bleomycin-induced scleroderma model is a well-established and dependable method for creating a mouse model of SSc (systemic sclerosis). In the field of skin connective tissue diseases, increasing evidence from clinical and animal experiments suggests that TLRs (Toll-like receptors) play an important role in several diseases. This study aimed to determine the role of TLR7 (Toll-like receptor 7) and TLR9 (Toll-like receptor 9) in the mechanisms of immune abnormalities and fibrosis in SSc.

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Article Synopsis
  • The use of immune checkpoint inhibitors (ICIs) has led to increased incidents of ICI-induced liver injury, making it a significant concern for healthcare providers. !* -
  • Severe liver injuries often require corticosteroid treatment, necessitating thorough evaluations including clinical assessments, blood tests, imaging, and sometimes liver biopsies for accurate diagnosis. !* -
  • Distinguishing between types of liver injury, such as acute hepatitis-like effects and cholangitis, is crucial for effective treatment, with non-hepatocellular injuries often responding poorly to corticosteroids, highlighting the need for interdisciplinary cooperation in diagnosis and management. !*
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Objective: We aimed to establish a practical diagnostic index for Lewy body diseases (LBD), such as Parkinson's disease and dementia, with Lewy bodies in outpatient settings and criteria for exempting patients from late imaging.

Methods: We acquired early and late I-metaiodobenzylguanidine (MIBG) images from 108 consecutive patients with suspected LBD and standardized heart-to-mediastinum (H/M) ratios for collimator conditions. Exclusions included young-onset Parkinson's disease (age < 50 years) and genetic transthyretin-type amyloidosis.

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Cleavage of Hsp70.1 causes lysosomal cell death under stress conditions.

Front Mol Biosci

May 2024

Division of Collaborative Research and Development, Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Kashiwa, Japan.

Autophagy mediates the degradation of intracellular macromolecules and organelles within lysosomes. There are three types of autophagy: macroautophagy, microautophagy, and chaperone-mediated autophagy. Heat shock protein 70.

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Ticks are notorious blood-sucking ectoparasites that affect both humans and animals. They serve as a unique vector of various deadly diseases. Here, we have shown the roles of the receptor for advanced glycation end products (RAGE) during repeated infestations by the tick Haemaphysalis longicornis using RAGE mice.

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Three-dimensional analysis of partial restoration of spermatogenesis in vitamin A-deficient mice.

Andrology

June 2024

Department of Clinical Engineering, Faculty of Health Sciences, Komatsu University, Komatsu, Japan.

Background: An animal model of the partial restoration of spermatogenesis may be useful in the field of reproductive biology and medicine. Vitamin A deficiency (VAD) induces the restorable arrest of spermatogenesis at the level of spermatogonia and is used as a mouse model of spermatogenesis disorder.

Objective: We aimed to establish an animal model in which spermatogenesis is partially restored by switching a vitamin A deficiency diet to a normal vitamin A-containing diet and conduct a comprehensive analysis to identify vulnerable sites in the seminiferous tubules that affect the efficient restoration of spermatogenesis in this model.

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Background And Purpose: The ability of [I]metaiodobenzylguanidine (MIBG) sympathetic nerve imaging with three-dimensional (3D) quantitation to clinically diagnose neurological disorders has not been evaluated. This study compared absolute heart counts calculated as mean standardized uptake values (SUV) using conventional planar imaging and assessed the contribution of [I]MIBG single-photon emission computed tomography (SPECT)-CT to the diagnosis of neurological diseases.

Methods: Seventy-two patients with neurological diseases were consecutively assessed using early and delayed [I]MIBG SPECT-CT and planar imaging.

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Objectives: We aimed to investigate the association of the dynamics of serum inflammatory and nutritional indicators with immune checkpoint inhibitor (ICI) response in non-small-cell lung cancer (NSCLC) with bone metastases, and to develop a novel predictive scoring system based on these indicators.

Methods: Patients with NSCLC having bone metastases treated with ICIs were categorized as: the development cohort (January 2016 to March 2021, n = 60) and the validation cohort (April 2021 to June 2023, n = 40). Serum indicators of inflammation and nutrition such as C-reactive protein (CRP), neutrophil-to-lymphocyte ratio (NLR), albumin, prognostic nutritional index (PNI) were investigated before and six weeks after ICI initiation.

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  • Oral anticoagulants (OACs) help prevent ischemic strokes in patients with non-valvular atrial fibrillation (NVAF), but they can also raise the risk of major bleeding, especially in Japanese patients with limited existing data on this risk.
  • In a study analyzing 11,539 NVAF patients receiving OACs, major bleeding occurred in 1.3% of patients per year, with risk factors including advanced age, hypertension, prior bleeding, anemia, and the use of antiplatelet agents.
  • The researchers created a new risk stratification system called HED-[EPA]-B, which showed better predictive capability for major bleeding compared to existing scores like HAS-BLED and ATRIA, suggesting
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As aberrant accumulation of RNA-DNA hybrids (R-loops) causes DNA damage and genome instability, cells express regulators of R-loop structures. Here we report that RNA-dependent RNA polymerase (RdRP) activity of human telomerase reverse transcriptase (hTERT) regulates R-loop formation. We found that the phosphorylated form of hTERT (p-hTERT) exhibits RdRP activity in nuclear speckles both in telomerase-positive cells and telomerase-negative cells with alternative lengthening of telomeres (ALT) activity.

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