349 research outputs found

    Questioning vs. Identifying: A Functionalist Analysis of the [A candidate that which professor recommended was hired?] Construction in Japanese

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    Proceedings of the Fifteenth Annual Meeting of the Berkeley Linguistics Society (1989), pp. 138-14

    Linguistic Systems and Social Models: A Case Study from Japanese

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    Proceedings of the Twenty-Fourth Annual Meeting of the Berkeley Linguistics Society: General Session and Parasession on Phonetics and Phonological Universals (1998

    Question Pull: A Diagnostic Test for the Complement/Adjunct Distinction in Japanese

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    Proceedings of the Fourteenth Annual Meeting of the Berkeley Linguistics Society (1988), pp. 66-7

    The Function of F0-Peak Delay in Japanese

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    Proceedings of the Twenty-First Annual Meeting of the Berkeley Linguistics Society: General Session and Parasession on Historical Issues in Sociolinguistics/Social Issues in Historical Linguistics (1995

    Yeast Cls2p/Csg2p localized on the endoplasmic reticulum membrane regulates a non-exchangeable intracellular Ca2+ pool cooperatively with calcineurin

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    AbstractSaccharromyces cerevisiae CLS2 gene product (Cls2p) that is localized on the endoplasmic reticulum is important for the regulation of intracellular Ca2+ in a compartment distinct from the vacuole. Using a vma3 mutation that impairs the Ca2+ sequestering activity into the vocuole, we have shown that the cls2 mutation results in 3.4-fold increase in the Ca2+ pool that is not exchangeable with extracellular Ca2+. Accumulation of Ca2+ within the cls2 cells is synergistically elevated by the addition of immunosuppressant, FK506. Moreover, in the vma3 background, toxicity caused by the cls2 mutation is greatly enhanced by FK506. Given that FK506 inhibits the calcineurin activity, Cls2p likely functions in releasing Ca2+ flux from the endoplasmic reticulum, somehow cooperating with calcineurin

    L-Qモデルは転移性脳腫瘍の定位放射線照射に適用可能か?

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    The biologically effective dose (BED) based on the linear-quadratic (LQ) model has been commonly used to evaluate the dose-effect relationships among the different fractionation schedules, but whether the LQ model is appropriate for hypofractionated (HF) high-dose stereotactic irradiation (STI) is uncertain. The validity of the model at high doses per fraction has been critically examined. In this study, STI of metastatic brain tumors was evaluated to suggest the applicability of the LQ model to HF high-dose radiotherapy. No significant difference was found between stereotactic radiosurgery (SRS) and HF stereotactic radiotherapy (SRT) in the analyses of 151 tumors. Furthermore, no significant differences were found among SRS, HF-SRT, and non-HF SRT in 117 metastatic lung adenocarcinomas. The results of this study suggest that BED calculation is a reasonable approach for careful dose-effect evaluation based on the LQ model for HF high-dose radiotherapy for metastatic brain tumors, especially lung adenocarcinomas.博士(医学)・甲第688号・平成30年9月26

    Low serum free light chain is associated with risk of COPD exacerbation

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    Background: Most exacerbations of chronic obstructive pulmonary disease (COPD) are triggered by respiratory tract infections. Adaptive immunity via antibody production is important in preventing infections. Impaired antibody production is reported to be associated with an increased risk of exacerbations of COPD. In the present study, we elucidated whether reduced free light chains (FLCs), which are excessive amounts of light chains produced during antibody synthesis and can be used to estimate systemic antibody production, may be a promising biomarker to predict the risk of exacerbations of COPD. Methods: We enrolled stable male patients with COPD and prospectively observed them for 2 years. At baseline, serum combined FLC (cFLC; sum of kappa and lambda values) and pulmonary function were evaluated. Exacerbation was defined as a worsening of symptoms requiring treatments with antibiotics, corticosteroids or both. Results: 63 patients with stable COPD were enrolled (72.8±8.1 years, GOLD A/B/C/D=24/28/6/5), and 51 patients completed the 2-year follow-up. Serum cFLC was 31.1 mg·L−1 on average and ranged widely (1.4 to 89.9 mg·L−1). The patients with low cFLC (below the mean−sd, n=6) experienced a significantly shorter time to the first exacerbation of COPD (p<0.0001 by the log-rank test). A multivariate Cox proportional hazard model, including the COPD assessment test score, % predicted forced expiratory volume in 1 s (FEV1 % pred), and number of previous exacerbations demonstrated that low cFLC and low FEV1 % pred were independently and significantly correlated with the risk for exacerbations of COPD. Conclusion: Low cFLC may be a B-cell-associated novel biomarker associated with risk of COPD exacerbation

    中枢神経系原発悪性リンパ腫の放射線治療個別化の妥当性と有用性:画像評価を用いた治療効果に基づく放射線治療計画

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    Background: To assess the feasibility and efficacy of individualized treatment selection in radiation therapy (RT) for primary central nervous system lymphoma (PCNSL) according to treatment response by radiographic assessment. Methods: The details of recurrence and change in performance status (PS) were assessed in 31 patients with histologically confirmed PCNSL treated between 2000 and 2016. During the treatment period, radiographic assessment was conducted, and RT planning (RTP) was determined individually by treatment response. Results: At a median follow-up of 28.2 months, 9 patients were alive and 7 of whom were relapse-free. Two-year overall survival (OS) and progression-free survival (PFS) rates were 69.3% and 52.7%, with median survival times (MSTs) of 36.5 months and 24.4 months, respectively. Two-year local recurrence rate was 40.5% and the median time to local recurrence from treatment initiation was 27.9 months. All patients were scheduled to receive whole-brain RT (WBRT) and subsequent partial-brain RT(PBRT), with a median total dose to the tumor bed of 46 Gy and median WBRT dose of 30 Gy. Eight patients received reduced-dose WBRT (rd-WBRT) (<30 GY), and 13 patients who could not achive a complete response (CR) during the RT period received additional boost radiation after WBRT and PBRT, with a median dose of 6 Gy. Over 70% of local recurrence occurred within areas in which only WBRT was conducted (median dose of 30.3 Gy). Two-year occurrence rate of neurotoxicity over grade 2 was 49.5%. PS at 24 months after RT was maintained in 12 patIents. Conclusions: lndividual RTP using radiographic assessment led to reasonable survival and disease control rates with mild treatment-related toxicity. For patients not receiving chemotherapy or lacking a CR after chemotherapy and WBRT, WBRT followed by PBRT and additional boost radiation for poor RT responders might be effective. However, even for patients with CR after chemotherapy, a WBRT dose of 30 Gy or higher might be necessary for local control.博士(医学)・甲第705号・平成31年3月15
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