49 research outputs found

    Efficiency or Technology Adoption: A Case Study in Waste- Treatment Technology

    Get PDF
    Improvements in the effectiveness and efficiency of supply-side waste management are necessary in many countries. In Japan, municipalities with limited budgets have delayed the introduction of new waste-management technologies. Thus, the central government has used subsidies to encourage municipalities to adopt certain new technologies to improve waste-management efficiency. In this study, we measure the efficiency of waste management and explore how technology is related to technical efficiency. We find that municipalities are likely to adopt less-efficient technologies and that the central government's policies are likely to promote inefficient technology adoption by local governments

    Efficiency or Technology Adoption: A Case Study in Waste- Treatment Technology

    Get PDF
    Improvements in the effectiveness and efficiency of supply-side waste management are necessary in many countries. In Japan, municipalities with limited budgets have delayed the introduction of new waste-management technologies. Thus, the central government has used subsidies to encourage municipalities to adopt certain new technologies to improve waste-management efficiency. In this study, we measure the efficiency of waste management and explore how technology is related to technical efficiency. We find that municipalities are likely to adopt less-efficient technologies and that the central government's policies are likely to promote inefficient technology adoption by local governments

    The Effectiveness of Simultaneous Combination Therapy Using S-1 and Nedaplatin with Radiation for Five Cases of Maxillary Cancer

    Get PDF
    In our department, we provide treatment for malignant head and neck tumors with the goal of preserving organs and function. We report the treatment outcomes for five patients with maxillary cancer who underwent S-1 and nedaplatin treatment with concurrent radiation therapy (SN therapy) in our department from April 2005 to March 2009. The patients included one case classified as T2N0M0 and four cases classified as T4N0M0. All patients were male and were aged between 29 and 67 years with a mean age of 55.6 years. Among the five cases, four achieved cancer-free survival with preservation of all functions after undergoing treatment. In the remaining case, the tumor did not disappear but was locally controlled via superselective arterial injection and CyberKnife treatment; however, pulmonary metastasis occurred and the patient is surviving with cancer. SN therapy has allowed a reduction in the extent of surgery required and the preservation of organs and function. It will be necessary to study an increased number of cases in the future to determine the survival rate and the effectiveness of organ and function preservation in maxillary cancer patients after SN therapy

    Discovery of Self‐Assembling Small Molecules as Vaccine Adjuvants

    Get PDF
    自己集合性ワクチンアジュバントの発見. 京都大学プレスリリース. 2020-10-07.Vaccine ingredients could be hiding in small molecule libraries. 京都大学プレスリリース. 2020-10-07.Immune potentiators, termed adjuvant, trigger early innate immune responses to ensure the generation of robust and long‐lasting adaptive immune responses of vaccines. Here we present study that takes advantage of a self‐assembling small molecule library for the development of a novel vaccine adjuvant. Cell‐based screening of the library and subsequent structural optimization led to the discovery of a simple, chemically tractable deoxycholate derivative (molecule 6 , also named cholicamide) whose well‐defined nano‐assembly potently elicits innate immune responses in macrophages and dendritic cells. Functional and mechanistic analyses indicate that the virus‐like assembly is engulfed inside cells and stimulates the innate immune response through toll‐like receptor 7 (TLR7), an endosomal TLR that detects single‐stranded viral RNA. As an influenza vaccine adjuvant in mice, molecule 6 was as potent as Alum, a clinically used adjuvant. The studies described here paves the way for a new approach to discovering and designing self‐assembling small‐molecule adjuvants against pathogens, including emerging viruses

    A Genome-Wide Association Study Identified AFF1 as a Susceptibility Locus for Systemic Lupus Eyrthematosus in Japanese

    Get PDF
    Systemic lupus erythematosus (SLE) is an autoimmune disease that causes multiple organ damage. Although recent genome-wide association studies (GWAS) have contributed to discovery of SLE susceptibility genes, few studies has been performed in Asian populations. Here, we report a GWAS for SLE examining 891 SLE cases and 3,384 controls and multi-stage replication studies examining 1,387 SLE cases and 28,564 controls in Japanese subjects. Considering that expression quantitative trait loci (eQTLs) have been implicated in genetic risks for autoimmune diseases, we integrated an eQTL study into the results of the GWAS. We observed enrichments of cis-eQTL positive loci among the known SLE susceptibility loci (30.8%) compared to the genome-wide SNPs (6.9%). In addition, we identified a novel association of a variant in the AF4/FMR2 family, member 1 (AFF1) gene at 4q21 with SLE susceptibility (rs340630; P = 8.3×10−9, odds ratio = 1.21). The risk A allele of rs340630 demonstrated a cis-eQTL effect on the AFF1 transcript with enhanced expression levels (P<0.05). As AFF1 transcripts were prominently expressed in CD4+ and CD19+ peripheral blood lymphocytes, up-regulation of AFF1 may cause the abnormality in these lymphocytes, leading to disease onset

    Efficiency or technology adoption: A case study in waste-treatment technology

    No full text
    Improvements in the effectiveness and efficiency of supply-side waste management are necessary in many countries. In Japan, municipalities with limited budgets have delayed the introduction of new waste-management technologies. Thus, the central government has used subsidies to encourage municipalities to adopt certain new technologies to improve waste-management efficiency. In this study, we measure the efficiency of waste management and explore how technology is related to technical efficiency. We find that municipalities are likely to adopt less-efficient technologies and that the central government's policies are likely to promote inefficient technology adoption by local governments
    corecore