Publications by authors named "M Saitou"

Purpose: Tumor/node/metastasis staging and prognostic index (PI) are used to predict prognosis and guide treatment for anaplastic thyroid carcinoma (ATC). With the advent of treatments, such as BRAF/MEK inhibitors and immune checkpoint inhibitors, dynamic markers to assess disease status and treatment efficacy are needed. This study examined the utility of PI as a dynamic marker for ATC treatment.

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Background: Time-series scRNA-seq data have opened a door to elucidate cell differentiation, and in this context, the optimal transport theory has been attracting much attention. However, there remain critical issues in interpretability and computational cost.

Results: We present scEGOT, a comprehensive framework for single-cell trajectory inference, as a generative model with high interpretability and low computational cost.

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Introduction: Active surveillance (AS) for low-risk papillary thyroid carcinoma (PTC) is acknowledged as a valid management strategy. While older age is identified as a favorable factor for progression, long-term evidence is scarce and lifelong monitoring has been deemed essential. This study investigated progression patterns and tumor calcification under long-term AS and explored the possibility of ending follow-up.

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Article Synopsis
  • * It evaluates how different genetic factors contribute to this loss of prediction accuracy, finding that while cis-genetic effects on gene expression are similar between Europeans and Africans, allele frequency differences play a significant role in reducing prediction portability.
  • * Specifically, when a causal variant is common in Europeans but rare in Africans, the portability of predictions can decrease by more than 32%, indicating that improving methods like statistical fine-mapping alone won't address the impact of these allele frequency differences.
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The present work investigates the long-term effects of continuous low dose-rate (20 mGy/day to total doses of 1-8 Gy) gamma-ray exposure on the hematopoietic cells of specific pathogen-free C3H/HeN mice. Peripheral white blood cell (WBC) counts decreased on days 206, 471, and 486, with no significant changes in red blood cell (RBC) and platelet (PLT) counts. The number of colony forming units (CFU-S and CFU-GM) in the bone marrow and spleen from irradiated mice decreased with increasing total dose on day-12 and day-7.

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