Researchers found that melanoma cells suppress LL-37 production in neighboring keratinocytes, weakening a local epithelial defense pathway. This mechanism, mediated by melanoma-derived exosomal signals, can be targeted for therapeutic strategies.
Researchers identify IL-26 as a key regulator that reprograms tumor cells to evade immune attack, promoting immune escape and resistance to anti-PD-1 therapy. Targeting IL-26 may improve immunotherapy outcomes and lead to new treatments for cancer and chronic inflammatory diseases.
A pilot study found that an examiner-worn, neck-mounted camera can supplement the observation and review of clinical skills during OSCE assessments. The results showed moderate to strong agreement between live and video-based assessments, with the wearable camera enabling more observations to be evaluated than the fixed camera.
Researchers propose that ibasho, community-led spaces of belonging and social purpose, support long-term recovery and resilience. By restoring routines, roles, and neighborhood connections, ibasho helps individuals regain stability, dignity, and a sense of purpose after disasters.
Researchers from Juntendo University found that AI-based assessment of medical interview transcripts is comparable to clinicians' scores while reducing evaluation time. The study demonstrated strong agreement between AI and human evaluations, with AI showing greater consistency across repeated assessments. This suggests a potential 'AI...
Researchers discovered multiple molecular subtypes of kinesin-2 with distinct compositions and functions, including a KIF3B/B/KAP3 complex that preferentially associates with TRIM46 and facilitates its transport to the AIS. This study provides insights into how neurons regulate cargo delivery with specificity.
A recent study found that B-type natriuretic peptide is independently associated with chronic kidney disease progression in individuals with diabetes. Combining BNP with urinary markers such as UACR improves risk prediction, highlighting its potential role in early detection and management of kidney disease.
The 2020 facility revision criteria for rotational atherectomy did not increase adverse events among patients treated for coronary artery disease. The expansion of RA eligibility to low-volume, non-training hospitals improved patient care and reduced geographical disparities.
Researchers found that an approved antifibrotic drug, finerenone, can reduce ovarian fibrosis and promote follicle growth in women with premature ovarian insufficiency. Clinical trials showed that finerenone improved follicle development and mature oocyte quality in women with POI.
A multicenter Japanese study developed and validated a tool to measure attitudes toward artificial intelligence among medical students and residents. The J-ATTARI-12 scale assesses AI anxiety and aversion versus AI optimism and acceptance, with moderate positive correlations with related constructs.
Researchers developed a new model to predict long-term survival after heart failure in elderly Japanese patients. The Top-20 XGBoost model incorporates physical function metrics, rivaling the importance of traditional cardiovascular risk factors, and provides a more accurate estimation of mortality risk.
Research reveals that podocytes in aged rats adapt by increasing volume and forming atypical junctions to compensate for loss, while exporting unnecessary cellular components into the extracellular space. The study employed array tomography to elucidate age-related structural changes, shedding light on the mechanisms of aging glomeruli.
The study reveals that the paraventricular thalamic nucleus (PVT) is the central pathological substrate of bipolar disorder, with notable alterations in cell number and gene expression. This discovery highlights the PVT as a potential diagnostic and therapeutic target for improving patient outcomes.
Researchers identified Fab antibody fragments that target the IgE Cε2 domain, effectively stripping IgE from mast cells. The most potent Fab clones showed rapid efficacy in cellular assays and in vivo anaphylaxis models, demonstrating potential as a next-generation anti-allergy therapy.
Researchers discovered exercise-induced mitochondrial migration through the bloodstream, protecting brain cells and reducing damage after a stroke. This innovative approach has potential for mitigating neurological sequelae and treating vascular dementia.
Studies have confirmed that liquid droplets formed by ubiquilin-2 (UBQLN2) facilitate the aggregation and fibril formation of α-synuclein protein. Researchers also discovered a compound that interacts with UBQLN2, preventing its self-association and liquid droplet formation, which may lead to new treatments for neurodegenerative diseases.
A new study found that disrupted brain fluid circulation, even in regions far from the tumor, can forecast poorer survival rates in glioblastoma patients. The researchers used MRI scans to measure fluid movement and accumulation, revealing a link between impaired glymphatic function and shorter survival.
Researchers uncover a unique structural motif in the tail region of kinesin-2 that acts as a molecular 'connector,' allowing the motor to correctly recognize and transport its cargo inside cells. The discovery provides new insights into brain transport and diseases, paving the way for diagnostic and therapeutic approaches.
Researchers validate GLIS model as a reliable predictor of sarcopenia and mortality risk in older patients with heart failure, outperforming existing tests. The model's accuracy enables early detection of physical decline and poor prognosis, informing treatment planning and discharge decisions.
A study found that the Clinical Frailty Scale (CFS) is a quick predictor of patient risk after heart failure administration. The researchers used anonymized patient information from Japan and found that CFS scores were strongly correlated with physical and cognitive impairment, as well as increased mortality risk.
A genetically engineered mouse model shows RyR1-mediated calcium-induced calcium release plays a minimal role in normal skeletal muscle contraction, but is crucial in life-threatening muscle disorders. The study confirms depolarization-induced calcium release as the main driver of muscle contraction.
Research finds that bipolar disorder is associated with neurodegenerative protein accumulation and tau pathology in the paraventricular thalamus, potentially contributing to its symptoms. The study also identifies a new marker, CHMP2B-positive granulovacuolar degeneration, in about half of BD cases.
A new rehabilitation approach, FAST walk, combines spinal and hip stimulation to enhance neuroplasticity and support motor recovery in patients with post-stroke impairments. The study found that the FAST walk group showed a statistically significant improvement in gait speed compared to other treatment groups.
A study of 1,081 elderly patients with AFMR found that TEER minimally invasive valve repair significantly lowered mortality and hospitalization rates compared to standard medical therapy alone. The procedure's success was also linked to the degree of residual mitral regurgitation after surgery.
A new study found that two simple blood markers—eGFRdiff and GDF-15 levels—can independently predict kidney disease progression and mortality in people with diabetes. Patients with lower eGFRdiff values faced a higher risk of chronic kidney disease, while those with elevated GDF-15 levels were at increased risk of death.
A recent study found that a 5 mg dose of olanzapine taken after chemotherapy significantly reduced nausea and vomiting in breast cancer patients, with fewer side effects compared to the standard 10 mg dose. The low-dose regimen was effective for both immediate and delayed symptoms, making it an attractive alternative for patients.
A new study demonstrates that retrieval-augmented generation can eliminate hallucinations in clinical LLMs while protecting patient privacy. The RAG-enhanced model responds significantly faster than cloud-based systems, delivering safer results without compromising data security.
Researchers have developed a new 3D-IHC technique that improves the speed, depth, and sensitivity of immunolabeling in thick tissue samples using nanobodies fused with peroxidase. The method enables ultra-fast and high-resolution mapping of neurons and glia in 1-mm-thick brain tissues.
A study of 1,113 patients aged 65+ found that nearly half had two or three overlapping cardiovascular, kidney, and metabolic conditions, leading to poorer physical function and higher mortality rates. The findings support the need for early identification of vulnerable individuals and risk stratification without advanced diagnostics.
A new gene therapy developed by researchers from Juntendo University uses AAV to deliver genome editing tools to inner ear cells, repairing a dominant-negative mutation that causes syndromic hearing loss. The approach has shown high efficiency and specificity in treating hereditary hearing loss.
A recent study published in the European Journal of Preventive Cardiology found that older patients with heart failure who exercised regularly before hospitalization had better physical function and lower mortality. Regular exercise was linked to greater grip strength, higher gait speeds, and improved overall health outcomes.
A study found that 14.9% of AFMR patients had severe tricuspid regurgitation, affecting approximately one in seven patients, who were generally older and more likely to have atrial fibrillation, advanced heart failure symptoms, and significant right heart remodeling. The primary risk factors for severe TR were advanced age, permanent A...
Researchers have made a breakthrough in treating thymic carcinoma by combining immune checkpoint inhibitors with platinum-based chemotherapy. The MARBLE study found that atezolizumab combined with carboplatin and paclitaxel achieved an objective response rate of 56% and median progression-free survival of 9.6 months.
A study by Juntendo University researchers found that TEFM is crucial for mtDNA replication regulation, particularly at the heavy-strand origin. The team's genome-edited TEFM knockout revealed a notable reduction in mtDNA copy number and strand-asynchronous replication intermediates.
A new study found that voluntary exercise restores Stat3 levels in the amygdala, a region involved in emotional responses and blood pressure regulation. This restoration prevents stress-induced hypertension, highlighting a previously unknown brain-based mechanism behind exercise's ability to combat high blood pressure.
Researchers study mucosal mast cells in IgE-mediated food allergy, revealing their role in immune response and potential therapeutic targets. The study sheds light on molecular mechanisms involved in food allergies and offers new avenues for medication development.
A recent study reveals that psychological stress impairs macrophage function, leading to worsened skin allergy symptoms. Stress disrupts the ability of anti-inflammatory macrophages to clear dead cells, allowing eosinophils to infiltrate and exacerbate allergic responses.
Researchers found 11 cases of laryngeal edemas in patients after tisagenlecleucel infusion, with higher doses and CAR-positive cells linked to increased risk. Steroid administration showed promise in early management without affecting therapy effectiveness.
Researchers from Juntendo University discovered a four-step neural pathway involved in response inhibition, involving visual processing, sensory integration, action control, and execution of inhibition. The study aims to develop targeted therapeutic strategies for conditions like ADHD and obsessive-compulsive disorder.
A genetic key to understanding mitochondrial DNA depletion syndrome has been identified, revealing mechanisms for improved diagnosis and treatment. The research highlights the crucial role of the MICOS10 gene in maintaining mitochondrial structure and function.
A Japanese study found that lower masseter muscle volume is associated with increased sarcopenia risk, particularly in men. The research suggests using MRI measurements of MMV for early diagnosis and personalized interventions.
A new study identifies a biallelic GGGCC repeat expansion causing NAXE-related mitochondrial encephalopathy in a three-year-old patient. The team found the expansion was due to maternal chromosome 1 uniparental disomy, leading to transcriptional suppression and severe mitochondrial dysfunction.
A national-level survey of 1,226 Japanese physicians found that new overtime restrictions led to improved sleep duration, alertness, and reduced burnout. The study supports the use of standardized tests like the PVT-B to objectively assess alertness and mental health.
A recent study from Japan investigates the impact of PAI-1 4G/5G polymorphism on thrombotic and inflammatory responses in Japanese patients with COVID-19. The study reveals that the 4G allele is linked to fibrinolysis inhibition and thrombosis risk, while the 5G allele promotes enhanced fibrinolysis and active cytokine responses.
Mutations in the fifth segment of the ryanodine receptor channel (S5) lead to altered gating mechanisms and muscle disorders. The study identified three mutations linked to malignant hyperthermia and eight associated with central core disease, highlighting a novel regulatory mechanism of the RyR1 channel.
Researchers tested suvorexant's effectiveness in reducing delirium in older adults, with findings suggesting it may benefit hyperactive and mixed subtypes but not hypoactive delirium. The study included 203 Japanese adults aged 65-90 years hospitalized for sudden illness or scheduled surgery.
Researchers analyzed echocardiographic reports from 225,163 patients to identify trends in AFMR. The study found that MV surgery significantly improves clinical outcomes and reduces mortality in elderly patients burdened with conditions like atrial fibrillation.
A recent study identified a protein named importin-7 (IPO7) as a carrier that transports flavivirus core proteins into host cell nuclei. The study found that IPO7 plays a crucial role in the efficient production of viral particles, even though initial replication was comparable between two cell types. Blocking this transport mechanism ...
Researchers developed a new antimalarial agent, DIF-1(+3), effective against drug-resistant Plasmodium falciparum. The compound showed stronger growth inhibitory effects than previous derivatives and significantly increased survival time in infected mice, suggesting it may offer more treatment options for malaria-endemic areas.
The study reveals that hiPS-CMs induce a limited immune response but are rejected around 17-24 days after transplantation due to CD8+ T cells. Depletion of CD8+ T cells or treatment with tacrolimus prolongs sheet survival, highlighting the pivotal role of these immune cells.