Publications by authors named "Tsutsui M"

This study aimed to evaluate the body composition of the Khisêdjê, an Indigenous people residing in the Xingu Indigenous Territory, and compare it to the results obtained by anthropometry. One hundred seventy-nine individuals aged above 20 of both genders were included. The nutritional status was classified per the cutoff proposed by the WHO (1995).

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Achieving safe and efficient gene therapy hinges upon the inspection of genomes enclosed within individual nano-carriers to mitigate potential health risks associated with empty or fragment-filled vectors. Here solid-state nanopore sensing is reported for identifications of intermediate adeno-associated virus (AAV) vectors in liquid. The method exploits the phenomenon of translocation slowdown induced by the viscosity of salt water-organic mixtures.

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Redo coronary artery bypass grafting after an right internal thoracic artery graft to the left anterior descending artery is challenging. For such a 52-year-old male patient with a history of mediastinitis, we performed redo bypass grafting of the right coronary artery using a saphenous vein graft and xiphoid resection via the suprasternal route with the left axillary artery as the inflow source and the graft were patent. The axillary artery is an inflow source for patients with inaccessible aorta.

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6-Nitrodopamine (6-ND) modulates vas deferens, seminal vesicles, and corpus cavernosum contractility; however, its role on the lower urinary tract organs has not been evaluated. Investigations of isolated urinary bladders from wild-type (WT) mice revealed 6-ND release was comparable to that of dopamine and adrenaline, whereas noradrenaline was hardly detected, as assessed by liquid chromatography coupled to tandem mass spectrometry. In vitro, 6-ND induced concentration-dependent relaxations in carbachol pre-contracted bladders with high potency (pEC: 8.

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Article Synopsis
  • Signaling dynamics in biological systems are crucial for identifying features related to human diseases, and recent advancements suggest that simulated signaling dynamics combined with deep learning can improve biomarker discovery.
  • DynProfiler is a new tool that utilizes deep learning to analyze signaling dynamics without the need for labeled data, allowing for better feature extraction for tasks like patient risk assessment.
  • The tool has been tested with breast cancer simulation data, successfully identifying key features predictive of mortality, with one highlighted biomarker being upregulated phosphorylated GSK3β, making it a valuable resource for clinical and research applications.
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A 78-year-old man underwent pericardial patch repair for left ventricular (LV) rupture during mitral valve replacement. After the first operation, a huge (>10 cm) LV pseudoaneurysm was detected, necessitating reoperation. LV rupture is a rare but often fatal complication of mitral valve replacement.

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Isolated left vertebral artery (ILVA) is one of the most frequent vertebral abnormalities. When performing thoracic endovascular aortic repair (TEVAR), the ILVA may have to be closed depending on the position of the stent graft; in these cases, the decision to reconstruct the ILVA depends on the state of cerebral blood flow. Here, we report a case of a 68-year-old male, in whom the Willis arterial circle was incomplete; we therefore performed a reconstructive method during zone 2-landing TEVAR that ensured ILVA and left subclavian artery blood flow without the use of artificial vessels.

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The system of nitric oxide synthases (NOSs) is comprised of three isoforms: nNOS, iNOS, and eNOS. The roles of NOSs in respiratory diseases in vivo have been studied by using inhibitors of NOSs and NOS-knockout mice. Their exact roles remain uncertain, however, because of the non-specificity of inhibitors of NOSs and compensatory up-regulation of other NOSs in NOS-KO mice.

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  • Actinomycosis, an uncommon and inflammatory infection usually caused by Actinomyces israelii, can be difficult to diagnose, especially in patients with a history of abdominal cancer due to lack of specific symptoms.
  • A 72-year-old man with multiple abdominal surgeries for rectal cancer developed a mass that was initially thought to be a cancer recurrence, but it was later identified as an actinomyces infection after surgical resection.
  • This case underscores the importance of careful histopathological evaluation of abdominal masses before initiating chemotherapy, particularly in patients with previous cancer treatments.
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J Pharmacol Exp Ther

August 2024

Article Synopsis
  • - The study explores the roles of nitric oxide (NO) from the nitric oxide synthases system (NOSs) in inter-organ communication and its implications for health disorders.
  • - Research using mice lacking all three NOS types showed that deficiencies in NO led to severe health issues, such as sudden heart attacks and worsened vascular conditions, highlighting NO's protective role between the kidneys, heart, and blood vessels.
  • - The findings suggest that targeting systemic and bone marrow-derived NOSs could be beneficial in developing treatments for conditions like myocardial infarction, vascular disease, and pulmonary hypertension.
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  • Cardiac hemangioma is a rare benign tumor found in the heart.
  • Extracardiac tumors that have three lobes are even more uncommon.
  • Diagnosing these tumors before surgery is quite challenging, so a thorough and comprehensive examination is crucial.
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, often referred to as nutritionally variant streptococci, is generally a benign part of human microflora, primarily found in the oral cavity, digestive tract, and genitourinary system. However, it can have a significant role in infectious endocarditis (IE). We discuss a case involving a 53-year-old male who displayed serious signs indicative of IE.

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Neuron-specific-enolase is used as a marker of neurological prognosis after cardiopulmonary resuscitation. It is also present in red blood cells and platelets. It is not known whether hemolysis increases the values of neuron-specific-enolase enough to clinically affect its interpretation in critically ill patients who are to be introduced to veno-arterial extracorporeal oxygenation.

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Background: This study aimed to compare the short-term outcomes of surgical treatment for acute type A aortic dissection between patients undergoing cardiopulmonary arrest at the time of entry into the operating room and patients who received successful preoperative cardiopulmonary resuscitation before entering the operating room or patients who had cardiopulmonary arrest on the operating room table after entering the operating room without cardiopulmonary arrest. In the present study, we focused on the circulatory status at the time of entering the operating room because it is economically and emotionally difficult to cease intervention once the patient has entered the operating room, where surgeons, anesthesiologists, nurses, and perfusionists are already present, all necessary materials are packed off and cardiopulmonary bypass have already been primed.

Methods: Twenty (5.

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Artificial nanofluidic networks are emerging systems for blue energy conversion that leverages surface charge-derived permselectivity to induce voltage from diffusive ion transport under salinity difference. Here the pivotal significance of electrostatic inter-channel couplings in multi-nanopore membranes, which impose constraints on porosity and subsequently influence the generation of large osmotic power outputs, is illustrated. Constructive interference is observed between two 20 nm nanopores of 30 nm spacing that renders enhanced permselectivity to osmotic power output via the recovered electroneutrality.

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Using viral vectors as gene delivery vehicles for gene therapy necessitates their quality control. Here, we report on nanopore sensing for nondestructively inspecting genomes inside the nanoscale cargoes at the single-molecule level. Using ionic current measurements, we motion-tracked the adeno-associated virus (AAV) vectors as they translocated through a solid-state nanopore.

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This case report details the management of a 79-year-old man who developed massive postoperative pneumothorax following redo coronary artery bypass grafting due to severe lung adhesions. We successfully treated the patient using veno-venous extracorporeal membrane oxygenation without femoral cannulation, allowing for early rehabilitation initiation. Veno-venous extracorporeal membrane oxygenation is a reasonable option for cases of severe respiratory failure due to pneumothorax with lung destruction caused by re-sternotomy during re-do cardiac surgery.

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Article Synopsis
  • Nanofluidic channels in membranes can effectively convert blue energy from salinity gradients through a process called permselectivity, which is crucial for generating electricity via ion transport.
  • The surface charge on the membranes is vital for optimizing ion permeability and selectivity, highlighting the need for careful material choice.
  • A new field-effect technique allows for real-time adjustments of ion selectivity in nanopores through voltage application, significantly boosting energy conversion efficiency by six times in multipore membranes under a salinity gradient.
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Slowing down translocation dynamics is a crucial challenge in nanopore sensing of small molecules and particles. Here, it is reported on nanoparticle motion-mediated local viscosity enhancement of water-organic mixtures in a nanofluidic channel that enables slow translocation speed, enhanced capture efficiency, and improved signal-to-noise ratio by transmembrane voltage control. It is found that higher detection rates of nanoparticles under larger electrophoretic voltage in the highly viscous solvents.

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  • Acute endurance exercise impacts pancreatic amylase activity, with a notable decrease observed only after high-intensity (20 m/min) exercise, while low-intensity (10 m/min) exercise had no significant effect.
  • High-intensity exercise also affects muscle glycogen recovery, as mice fed a starch solution after exercise had lower glycogen accumulation compared to those given glucose.
  • Overall, the study indicates that the intensity of exercise alters carbohydrate digestion and recovery, highlighting that high-intensity activity can impair the pancreas's ability to process carbohydrates efficiently.
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Nonbacterial thrombotic endocarditis (NBTE) on the aortic valve involves fibrin and platelet aggregate formation, potentially leading to embolic events. We present a case of NBTE on the aortic valve following coronary angiography (CAG) in a 54-year-old man with multiple comorbidities. Surgical thrombectomy was performed owing to acute cerebral infarcts.

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The leukemoid reaction (LR) is reported to be caused by severe stress conditions such as infection, malignancies, intoxication, severe hemorrhage, or acute hemolysis; this condition is attributed to a very severe prognosis. Some reports have suggested that the LR was associated with a systemic stress response. A 36-year-old man who required mechanical circulatory support (MCS), including veno-arterial extracorporeal membrane oxygenation and Impella 5.

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Background: This study investigates short-term outcomes following surgical interventions for atrial fibrillation (Af), including the Cox-maze Ⅳ procedure (maze procedure) and pulmonary vein isolation (PVI), performed concurrently with other cardiac surgeries. Additionally, we aim to determine the indications for surgical intervention for Af.

Method: We retrospectively studied a total of 1,580 patients, out of which 274 had preoperative Af, that underwent cardiac surgery between January 2015 and April 2023.

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Alzheimer's disease (AD) is a progressive degenerative disorder that results in a severe loss of brain cells and irreversible cognitive decline. Memory problems are the most recognized symptoms of AD. However, approximately 90% of patients diagnosed with AD suffer from behavioral symptoms, including mood changes and social impairment years before cognitive dysfunction.

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