Publications by authors named "Sone K"

Tumor-associated macrophages (TAMs) are one of the key immunosuppressive components in the tumor microenvironment (TME) and contribute to tumor development, progression, and resistance to cancer immunotherapy. Several reagents targeting TAMs have been tested in preclinical and clinical studies, but they have had limited success. Here, we show that a unique reagent, FF-10101, exhibited a sustained inhibitory effect against colony-stimulating factor 1 receptor by forming a covalent bond and reduced immunosuppressive TAMs in the TME, which led to strong antitumor immunity.

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Adenomyomectomy, a therapeutic option for women with adenomyosis who wish to preserve their fertility, has been reported to pose a risk of developing placenta accreta spectrum (PAS) and uterine rupture in future pregnancies. However, the specific clinical factors contributing to these occurrences remain elusive. This study aimed to explore the association between hysteroscopic findings after adenomyomectomy and the incidence of PAS in subsequent pregnancies.

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Although ovarian endometrioid carcinoma (OEC), frequently associated with endometrial endometrioid carcinoma (EEC), is often diagnosed at an early stage, the prognosis remains poor. The development of new, effective drugs to target these cancers is highly desirable. The bromodomain and extra-terminal domain (BET) family proteins serve a role in regulating transcription by recognizing histone acetylation, which is implicated in several types of cancer.

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Background/aim: Nestin, an intermediate filament protein expressed in stem/progenitor cells of the developing central nervous system, is involved in the progression and poor prognosis of various malignancies. Difficulties in small-cell lung cancer (SCLC) tissue biopsy reduce the accuracy of immunohistochemistry analyses; therefore, evaluating nestin in blood samples is preferred in clinical practice. This study examined the clinical significance of plasma nestin levels in SCLC.

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Severe acute respiratory syndrome-coronavirus-2 (SARS-CoV2) infection has forced social changes worldwide. Development of potent antiviral agents is necessary to prevent future pandemics. Titanium oxide, a photocatalyst, is a long-acting antiviral agent; however, its effects are weakened in the dark.

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  • Enlargement of the trigeminal nerve is observed in a significant percentage (23.5%) of patients with IgG4-related ophthalmic disease (IgG4-ROD), providing a potential diagnostic marker.
  • In a comparison with control cases (including lymphomas and benign tumors), the occurrence of nerve enlargement in IgG4-ROD was notably higher (P < .0001), highlighting its diagnostic relevance.
  • The study also revealed that trigeminal nerve enlargement is more prevalent in men and demonstrated a sensitivity of 23.5% and a specificity of 96.8% for diagnosing IgG4-ROD.
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  • Researchers studied cold-resistant cells from the Syrian hamster to understand how they survive cold stress, informing therapeutic hypothermia and organ preservation efforts.
  • They identified a gene called Gpx4 that prevents cold-induced cell death, showing its crucial role in reducing lipid peroxidation in cold conditions.
  • Other pathways that help prevent ferroptosis (a type of cell death) were found to also play a role in protecting hamster cells from cold stress, suggesting potential strategies to enhance cold resistance in human cells.
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Objectives: To elucidate the outcomes of periviable infants receiving active care (AC) and explore perinatal factors associated with neurodevelopmental outcomes.

Methods: This is a single-center retrospective study on infants born at 22-25 weeks of gestation, all of whom received AC. A developmental quotient (DQ) ≥ 85 at corrected 18 months was judged as normal.

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Purpose: This in vitro study investigated the effect of build orientation on the wear resistance and hardness of denture teeth fabricated using digital light processing (DLP) compared to other denture tooth materials.

Methods: Disc-shaped specimens were prepared using denture tooth monomers and DLP devices in three build orientations: 0°, 45°, and 90°. Specimens of the same shape were fabricated using denture tooth materials for subtractive manufacturing, commercially available polymethylmethacrylate (PMMA) resin, and composite resin.

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  • The study investigates the potential cellular origins and molecular subtypes of clear cell ovarian carcinoma (CCOC) using advanced genomic and epigenomic analyses of 78 samples.
  • Findings revealed that ARID1A and PIK3CA mutations occur without mutations in certain DNA repair genes and identified major CCOC subtypes associated with specific tissue types.
  • CCOC subtypes were categorized into three clusters based on mutations and morphological similarities, with implications for understanding their biological behavior and guide treatment approaches.
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  • Ovarian clear cell carcinoma (OCCC) patients frequently experience thrombosis, which has been linked to worse prognoses in cancer generally, but its specific impact on OCCC outcomes was unclear.
  • A study of 115 OCCC patients revealed that thrombosis occurred in 12.5% of early-stage and 42.8% of late-stage patients, significantly increasing the risk of poorer survival rates (e.g., 5-year progression-free survival was 20.6% for early-stage patients with thrombosis compared to 91.8% without).
  • The findings indicate that thrombosis is more common in advanced OCCC stages and correlates with significantly worse prognosis across all stages, highlighting the need for closer monitoring
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Human papillomavirus (HPV) is a major cause of cervical cancer. As the natural history of HPV-associated cervical lesions is HPV genotype-dependent, it is important to understand the characteristics of these genotypes and to manage them accordingly. Among high-risk HPVs, HPV16 and 18 are particularly aggressive, together accounting for 70% of HPV genotypes detected in cervical cancer.

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Loss of heterozygosity (LOH) has been reported to occur in HLA regions in cervical intraepithelial neoplasia (CIN) and cervical cancer. However, the details of how this is related to the progression of CIN have been unclear. In this study, we examined the human papillomavirus (HPV) antigen-presenting capacity of people with CIN and the significance of LOH of HLA class I in the progression of CIN.

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A Japanese clinical trial (JGOG3016) showed that dose-dense weekly paclitaxel in combination with carboplatin extensively prolonged overall survival (OS) in patients with advanced ovarian cancer. However, in other clinical trials, dose-dense paclitaxel regimens were not superior to triweekly paclitaxel regimens. In this study, causal tree analysis was applied to explore subpopulations with different treatment effects of dose-dense paclitaxel in a data-driven approach.

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Ulipristal (UPA), a selective progesterone receptor modulator, has both agonistic and antagonistic effects on progesterone receptors. UPA suppresses ovulation by inhibiting the luteinizing hormone (LH) surge from the pituitary gland; however, the direct effect of UPA on ovarian tissue remains poorly studied. In the present study, we examined the effects of UPA on the ovaries of rats.

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Blood glucose levels fluctuate during daily life, and the oxygen concentration is low compared to the atmosphere. Vascular endothelial cells (ECs) maintain vascular homeostasis by sensing changes in glucose and oxygen concentrations, resulting in collective migration. However, the behaviors of ECs in response to high-glucose and hypoxic environments and the underlying mechanisms remain unclear.

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Stochastic processes are commonly used models to describe dynamics of a wide variety of nonequilibrium phenomena ranging from electrical transport to biological motion. The transition matrix describing a stochastic process can be regarded as a non-Hermitian Hamiltonian. Unlike general non-Hermitian systems, the conservation of probability imposes additional constraints on the transition matrix, which can induce unique topological phenomena.

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Histone modification, a major epigenetic mechanism regulating gene expression through chromatin remodeling, introduces dynamic changes in chromatin architecture. Protein arginine methyltransferase 6 (PRMT6) is overexpressed in various types of cancer, including prostate, lung and endometrial cancer (EC). Epigenome regulates the expression of endogenous retrovirus (ERV), which activates interferon signaling related to cancer.

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Glaucoma is one of the leading causes of acquired blindness and characterized by retinal ganglion cell (RGC) death. MicroRNAs are small noncoding RNAs that degrade their target mRNAs. Apoptosis is one of the common mechanisms leading to neuronal death in many neurodegenerative diseases, including glaucoma.

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Objective: Magnetic resonance imaging (MRI) is efficient for the diagnosis of preoperative uterine sarcoma; however, misdiagnoses may occur. In this study, we developed a new artificial intelligence (AI) system to overcome the limitations of requiring specialists to manually process datasets and a large amount of computer resources.

Methods: The AI system comprises a tumor image filter, which extracts MRI slices containing tumors, and sarcoma evaluator, which diagnoses uterine sarcomas.

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  • The study aims to enhance the detection of endometrial lesions using hysteroscopy by identifying key characteristics that indicate malignancy.
  • A retrospective analysis of hysteroscopy videos from 250 patients revealed that specific features like desquamation and atypical vessels were strong indicators of endometrial cancer, showing high sensitivity and specificity in diagnosis.
  • Although the findings demonstrate promising predictive ability, further studies with larger sample sizes are necessary to improve diagnostic accuracy in detecting endometrial malignancies.
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  • This study analyzed the genomic characteristics of endometrial, cervical, and ovarian cancers, focusing on their association with high tumor mutational burden (TMB-H) and high microsatellite instability (MSI-H) using data from Japan's C-CAT database.
  • Findings revealed that endometrial cancers, particularly endometrioid carcinomas, exhibited a significant prevalence of TMB-H and MSI-H, with distinct mutation patterns indicating prognostic implications.
  • The study also highlighted the genetic profiles of various cervical and ovarian cancer types, identifying specific mutations and their potential link to aggressive forms of these cancers, pointing to the need for more targeted drug development.
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Introduction: Alport syndrome (AS) is a hereditary, progressive kidney disease characterized by structural abnormalities and dysfunction of the glomerular basement membrane (GBM). AS is classified as X-linked, autosomal, and digenic. The number of cases of digenic AS has increased, but the genotype-phenotype correlation of patient with digenic AS is still unclear.

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Objectives: Adenomyosis is associated with unfavorable perinatal outcomes, and recent case reports show that some women with adenomyosis experience pain at the adenomyosis lesion during pregnancy and have detrimental perinatal outcomes. This study aimed to clarify the clinical characteristics of this pain and perinatal outcomes associated with this phenomenon.

Methods: This was a single-center retrospective analysis of pregnant women with adenomyosis.

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Glucose is essential as the main energy source for living organisms. However, excessive elevation of blood sugar levels can lead to diabetes and serious complications such as arteriosclerosis. Even though blood sugar levels as well as hypoxia associated with hyperglycemia are known to be closely related to diabetes complications, the responses of vascular endothelial cells to glucose and oxygen have not been fully investigated.

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