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This paper discusses the challenges of disseminating COVID-19 information to migrant populations by sharing our trial-and-error approach. In 2018, the Migrants’ Neighbor Network & Action (MINNA), a consortium of individuals and organizations that addressed the issues of accessing relevant information and services for migrants in Japan, was launched. Amidst the COVID-19 pandemic, the MINNA attempted to investigate and improve access to health information among Vietnamese, Nepali, and Burmese migrants in Japan. We had three assumptions in distribution of information to reach a large audience, such as building a multilingual website, requesting stakeholders to disseminate information, or posting on Facebook. None of our assumptions were sufficient to reach the target audience in the context of COVID-19, as total number of views that accessed our materials were less than 300 at most. We viewed these myths as the result of overlooking critical elements of effective communication strategies. Eventually, MINNA managed to establish communication with the manager of a Facebook page with the largest number of followers from the Vietnamese community in Japan. Compared with our previous attempts, the messages were delivered to a large audience on the Facebook page, such as the article on COVID-19 vaccines that was viewed more than 300,000 times. In public health emergencies, interactive process of information dissemination is necessary. It is a key component for risk communication and should be prioritized. Breakthroughs in communicating with a larger audience could be possible through partnerships with online communities.

Public policy denotes a government’s formal intent to address specific issues in pursuit of defined objectives. The vision and mission of school feeding have progressively expanded. This study examined school feeding policy objectives across multiple countries, drawing on data from the Global Survey of School Meal Programs, and identified 23 relevant policies. The objectives were classified into five domains: health and nutrition, education, social protection, agriculture, and other areas. Japan is particularly notable for distinctive aims, including enhancing school life, fostering sociability and cooperation, promoting appreciation of nature, and cultivating respect for life and the natural world.

  'Build it, they will come' There were 55 bankruptcies in the elderly welfare and nursing care industry from January to August this year, 50 percent more than the same period in 2014, according to Tokyo Shoko Research Ltd. This year is on pace to be the industry's worst in terms of bankruptcies since the nursing-care insurance system was launched in 2000, and contrasts with a trend toward fewer bankruptcies in the economy overall. Prime Minister Shinzo Abe announced a goal of cutting to zero the number of people leaving work to take care of elderly relatives late last month, the newest pillar of his Abenomics program, which also calls for improving facilities for the elderly.

As corals in tropical regions are threatened by increasing water temperatures, poleward range expansion of reef-building corals has been observed, and temperate regions are expected to serve as refugia in the face of climate change. To elucidate the important indicators of the sustainability of coral populations, we examined the genetic diversity and connectivity of the common reef-building coral Acropora hyacinthus along the Kuroshio Current, including recently expanded (<50 years) populations. Among the three cryptic lineages found, only one was distributed in temperate regions, which could indicate the presence of Kuroshio-associated larval dispersal barriers between temperate and subtropical regions, as shown by oceanographic simulations as well as differences in environmental factors. The level of genetic diversity gradually decreased towards the edge of the species distribution. This study provides an example of the reduced genetic diversity in recently expanded marginal populations, thus indicating the possible vulnerability of these populations to environmental changes. This finding underpins the importance of assessing the genetic diversity of newly colonized populations associated with climate change for conservation purposes. In addition, this study highlights the importance of pre-existing temperate regions as coral refugia, which has been rather underappreciated in local coastal management.

BackgroundCell-free DNA (cfDNA) shed from tumors into the circulation offers a tool for cancer detection. Here, we evaluated the feasibility of cfDNA measurement and utility of digital PCR (dPCR)-based assays, which reduce subsampling error, for diagnosing pancreatic ductal adenocarcinoma (PDA) and surveillance of intraductal papillary mucinous neoplasm (IPMN).MethodsWe collected plasma from seven institutions for cfDNA measurements. Hot-spot mutations in KRAS and GNAS in the cfDNA from patients with PDA (n = 96), undergoing surveillance for IPMN (n = 112), and normal controls (n = 76) were evaluated using pre-amplification dPCR.ResultsUpon Qubit measurement and copy number assessment of hemoglobin-subunit (HBB) and mitochondrially encoded NADH:ubiquinone oxidoreductase core subunit 1 (MT-ND1) in plasma cfDNA, HBB offered the best resolution between patients with PDA relative to healthy subjects [area under the curve (AUC) 0.862], whereas MT-ND1 revealed significant differences between IPMN and controls (AUC 0.851). DPCR utilizing pre-amplification cfDNA afforded accurate tumor-derived mutant KRAS detection in plasma in resectable PDA (AUC 0.861–0.876) and improved post-resection recurrence prediction [hazard ratio (HR) 3.179, 95% confidence interval (CI) 1.025–9.859] over that for the marker CA19-9 (HR 1.464; 95% CI 0.674–3.181). Capturing KRAS and GNAS could also provide genetic evidence in patients with IPMN-associated PDA and undergoing pancreatic surveillance.ConclusionsPlasma cfDNA quantification by distinct measurements is useful to predict tumor burden. Through appropriate methods, dPCR-mediated mutation detection in patients with localized PDA and IPMN likely to progress to invasive carcinoma is feasible and complements conventional biomarkers.

Multi-layered thin films with heterogeneous mechanical properties can be spontaneously transformed to realise various three-dimensional (3D) geometries. Here, we describe micro-patterned all-polymer films called micro-rolls that we use for encapsulating, manipulating, and observing adherent cells in vitro . The micro-rolls are formed of twin-layered films consisting of two polymers with different levels of mechanical stiffness; therefore they can be fabricated by using the strain engineering and a self-folding rolling process. By controlling the strain of the films geometrically, we can achieve 3D tubular architectures with controllable diameters. Integration with a batch release of sacrificial hydrogel layers provides a high yield and the biocompatibility of the micro-rolls with any length in the release process without cytotoxicity. Thus, the multiple cells can be wrapped in individual micro-rolls and artificially reconstructed into hollow or fibre-shaped cellular 3D constructs that possess the intrinsic morphologies and functions of living tissues. This system can potentially provide 3D bio-interfaces such as those needed for reconstruction and assembly of functional tissues and implantable tissue grafts.

We report on a self-propelled gel using ionic liquid as a new type of self-propellant that generates a powerful and durable motion at an air-water interface. The gel is composed of 1-ethyl-3-methylimidazolium-bis(trifluoromethylsulfonyl)imide (EMIM-TFSI) and poly(vinylidene fluoride-co-hexafluoropropylene) (P(VDF-co-HFP)). A long rectangular ion gel piece placed on the interface shows rapid rotation motion with maximum frequency close to 10 Hz, corresponding to the velocity over 300 mms −1 at an outmost end of the piece. The rotation continues for ca. 10 2  s, followed by a reciprocating motion (<~10 3  s) and a nonlinear motion in long-time observations (>~10 3  s). The behaviours can be explained by the model considering elution of EMIM-TFSI to the air-water interface, rapid dissolution into water, and slow diffusion in an inhomogeneous polymer gel network. Because the self-propellants are promptly removed from the interface by dissolution, durable self-propelled motions are observed also at limited interface areas close in size to the gel pieces. A variety of motions are induced in such systems where the degree of freedom in motion is limited. As the ion gel possesses formability and processability, it is also advantageous for practical applications. We demonstrate that the gel does work as an engine.

The selective phosphatidylinositol 3-kinase δ inhibitor zandelisib demonstrated favorable safety and efficacy [objective response rate (ORR) 79%] in patients with B-cell malignancies in a phase 1b study in the US and Switzerland. In this phase 1 dose-escalation study (NCT03985189), 9 Japanese patients with relapsed/refractory indolent non-Hodgkin’s lymphoma (R/R iNHL) received zandelisib on a continuous daily schedule (45 or 60 mg) until progressive disease/unacceptable toxicity. No dose-limiting toxicities were observed. The maximum tolerated dose was not reached. At a median follow-up of 17.5 months, Grade ≥ 3 treatment-emergent adverse events that occurred in 2 or more patients were neutrophil count decreased (55.6%; 5/9) and diarrhea (33.3%; 3/9). Immune-related toxicities, including hepatobiliary disorder, aspartate/alanine aminotransferase increased, diarrhea/colitis, organizing pneumonia, stomatitis, and rash, led to zandelisib discontinuation in 4 patients. The investigator-assessed ORR, based on modified Lugano criteria, was 100%, including 2 complete responses (22.2%; in follicular lymphoma patients receiving 60 mg/day). Median duration of response, progression-free survival, and time to response were 7.9, 11.1, and 1.9 months, respectively. Zandelisib demonstrated a manageable safety profile at 60 mg, the recommended phase 2 dose (RP2D) in Japanese patients. The RP2D resulted in favorable pharmacokinetics and anti-tumor efficacy in Japanese patients with R/R iNHL.Trial registration. NCT03985189 (ClinicalTrials.gov).

Graft-versus-host disease (GVHD) occasionally leads to morbidity and mortality but is thought to reduce the risk of relapses in patients with a hematological malignancy. However, information on the effect of GVHD in pediatric leukemia is limited. Using a nationwide registry, we retrospectively analyzed 1526 children who underwent allogeneic stem cell transplantation for leukemia. Grades 0–I acute GVHD were associated with a higher relapse rate at three years after transplantation, at 25.4 and 24.3%, respectively, than grades II, III, or IV acute GVHD at 18.9%, 21.2%, and 2.6%, respectively. In contrast, the overall survival curve of the grades 0 and I GVHD groups (79.0% and 79.5%, respectively) approximated that of the grade II GVHD group (76.3%), and the probability of survival was worst in the severe GVHD groups (66.9% for grade III and 42.5% for grade IV). Chronic GVHD also reduced the relapse risk but conferred no survival advantage. Acute lymphoblastic leukemia was more sensitive to acute GVHD than acute myeloid leukemia (AML) while AML was more sensitive to chronic GVHD. Our study reproduced the preventive effects of GVHD against pediatric leukemia relapses but failed to demonstrate a significant survival advantage.

BackgroundIn a global phase I/II study (GO29781; NCT02500407), single-agent mosunetuzumab had a manageable safety profile and induced durable complete responses in patients with relapsed/refractory (R/R) B-cell non-Hodgkin lymphoma, including in patients with R/R follicular lymphoma (FL). In this analysis, the efficacy and safety of mosunetuzumab monotherapy were evaluated in an expansion cohort, FLMOON-1, in Japanese patients with R/R FL who had received  ≥ 2 prior lines of therapy in a phase I study (JO40295, jRCT2080223801).MethodsMosunetuzumab was administered intravenously at the recommended phase II dose (with cycle 1 step-up dosing) for eight cycles or up to 17 cycles, or until disease progression or unacceptable toxicity. The pre-specified primary endpoint was Independent Review Facility (IRF)-assessed complete response rate (CRR; as best overall response). Secondary objectives included investigator (INV)-assessed CRR, INV- and IRF-assessed objective response rate (ORR), and safety.ResultsAt the data cutoff (October 13, 2023), 19 patients (median age 72 years) were evaluated. The IRF-assessed CRR and ORR were 68.4% and 78.9%, respectively; the INV-assessed CRR and ORR were 63.2% and 84.2%, respectively. Grade 3–4 adverse events (AEs) were observed in 89.5% of patients, with a low incidence of AEs leading to mosunetuzumab discontinuation (10.5%) and one fatal AE unrelated to mosunetuzumab. Cytokine release syndrome occurred in 47.4% of patients and were mostly Grade 1 in severity.ConclusionThese findings indicate mosunetuzumab has a consistent efficacy and manageable safety profile in Japanese patients with R/R FL compared with previously reported data from the global phase I/II study.