Publications by authors named "Tetsuya Hasegawa"

Black rice (BR) is beneficial for the health of animals and humans. Herein, we investigated the pharmacokinetics of cyanidin-3-glucoside (C3G), a major anthocyanin constituent of BR, in male rats. After its intravenous administration, C3G was rapidly distributed throughout the body and disappeared from the plasma.

View Article and Find Full Text PDF

Background: Accumulative excessive physical load elevates central arterial stiffness and smooth muscular tone of peripheral vascular beds in endurance athletes. The aim of this study was to test the hypothesis that a brief series of soccer matches would increase central arterial stiffness and arterial wave reflection from the periphery in young female football players.

Methods: Fifteen subjects (17.

View Article and Find Full Text PDF
Article Synopsis
  • - The study aimed to evaluate a new technique for treating dialysis access stenosis where blockages occur on both the anastomotic and central venous sides, using a single sheath for bidirectional percutaneous transluminal angioplasty (PTA).
  • - Involving 20 patients with 26 cases, the procedures were performed in an outpatient setting, utilizing a vertical puncture approach. Sheath inversion was successfully completed in all cases, which simplified the process by eliminating the need for additional sheath placements.
  • - Results showed successful PTA in all cases without major complications, with data collected on vessel diameter, sheath inversion success, and primary patency rates up to one year, indicating the effectiveness and safety of this technique.
View Article and Find Full Text PDF
Article Synopsis
  • * The study explores the connection between chronic ankle instability (CAI) and low back pain, presenting three cases of patients with both conditions but normal imaging results.
  • * Findings suggest that treating CAI through interventions like ankle braces and nerve blocks can significantly reduce low back pain symptoms, indicating that CAI might be an overlooked factor in such pain.
View Article and Find Full Text PDF
Article Synopsis
  • Emerging respiratory viruses like SARS-CoV-2 pose a global risk, prompting the need for new antiviral strategies, particularly through the use of gapmer antisense oligonucleotides (ASOs).
  • Researchers synthesized about 300 ASOs targeting different regions of the SARS-CoV-2 RNA and effectively identified ASO#41, which inhibited viral replication and reduced infection-related cell damage.
  • ASO#41 demonstrated strong antiviral activity against multiple variants of SARS-CoV-2 in lab models and showed promise in mice, indicating its potential as a targeted treatment approach for respiratory viruses.
View Article and Find Full Text PDF

Recently, there has been a growing focus on studies related to women's football. However, the cognitive function of female football players has not been extensively characterized. Thus, we explored how the cognitive function of female football players was altered during a series of matches in summer and examined day-to-day variations in cognitive function with regard to dehydration status.

View Article and Find Full Text PDF

The estimation of central choroidal thickness from colour fundus images can improve disease detection. We developed a deep learning method to estimate central choroidal thickness from colour fundus images at a single institution, using independent datasets from other institutions for validation. A total of 2,548 images from patients who underwent same-day optical coherence tomography examination and colour fundus imaging at the outpatient clinic of Jichi Medical University Hospital were retrospectively analysed.

View Article and Find Full Text PDF

Heart rate variability analyses using Poincaré plots can be useful for evaluating the autonomic nervous system function. However, the interpretation of the quantitative indicators of Poincaré plots remains controversial. Thus, few studies have verified the effectiveness of the quantitative indicators in veterinary medicine.

View Article and Find Full Text PDF
Article Synopsis
  • Diabetic retinopathy (DR) is a major cause of vision loss linked to diabetes, prompting a study on the protective effects of pemafibrate in a type 2 diabetes rat model.
  • The study involved administering pemafibrate to a group of obese diabetic rats while monitoring their retinal function and health through various examinations, including electroretinography.
  • Results indicated that pemafibrate reduced triglycerides and increased good cholesterol, showing improved retinal thickness and larger AQP4-positive areas, suggesting it may help protect against DR.
View Article and Find Full Text PDF
Article Synopsis
  • Patients with Parkinson's disease (PD) often show a forward flexed posture, potentially due to increased muscle tone.
  • Researchers used a computational model to analyze muscle tone and posture in PD patients, finding that postures with minimal sway corresponded closely to actual patient conditions.
  • The study supports the hypothesis that addressing increased muscle tone might improve abnormal postures in PD patients, highlighting potential clinical applications.
View Article and Find Full Text PDF

Postural control training based on physical information is a common rehabilitation training method for patients with movement disorder. This research aims to verify the feasibility of using one smartphone embedded sensors to estimate CoP (Center of Pressure) displacement to take postural control training. We tested the reliability of smartphone sensor by motion capture system based on the following two CoP calculation models: (1) one-link inverted pendulum model; (2) two-link inverted pendulum model.

View Article and Find Full Text PDF
Article Synopsis
  • Patients with Parkinson's disease exhibit abnormal postures, such as stooped postures and Pisa syndrome, which may function as compensatory mechanisms to reduce sway while standing.
  • The study investigates whether these abnormal postures, characterized by increased muscle tone, lead to less sway compared to normal upright standing by using a musculoskeletal model and a neural controller model.
  • Results show that the joint-angle differences between optimized postures for minimizing sway and the actual postures of patients with PD are less than 4°, indicating a close relationship between posture and sway control in PD patients.
View Article and Find Full Text PDF

The present medical case report describes successful endovascular treatment via stent graft and coil packing for a ruptured lumbar artery aneurysm in a 55-year-old woman with neurofibromatosis type 1. Although less common, vasculopathy, such as an aneurysm, stenosis, rupture, and arteriovenous fistula, have been reported and can be a cause of death for patients with this disorder. However, only a few cases of a ruptured lumbar aneurysm have been reported.

View Article and Find Full Text PDF

[Purpose] Plantar pain is associated with the prevalence of low back pain. Therefore, it is reasonable to assume that some kind of physical change should be occurring in the trunk due to plantar pain. However, the physical effect of plantar pain on the trunk remains unknown.

View Article and Find Full Text PDF

Introduction: The incidence of acute kidney injury (AKI) caused by vancomycin hydrochloride (VCM) was reported to be 5-43%. VCM-induced AKI was reported to be more likely to occur 4-17 days after initiating VCM treatment; however, it may occur earlier. The aim of this study was therefore to investigate risk factors for the development of AKI within two (AKI2days) and seven (AKI7days) days of VCM administration.

View Article and Find Full Text PDF

Voluntary sway is the periodic movement of one's body back and forth. The study aimed to clarify the effects of sway frequency on center of pressure and joint angle during voluntary sway. We measured 10 unrestricted voluntary sway conditions with different frequencies and natural pace conditions.

View Article and Find Full Text PDF

[Purpose] Fall risk is immanent in humans because they are bipedal. Bipedalism has transited from quadrupedalism in both evolutional and developmental contexts. Past studies have measured the peak vertical ground force of forelimbs and hindlimbs in quadrupedalism; and revealed that load dominancy shifted from forelimbs to hindlimbs during evolution.

View Article and Find Full Text PDF

Aldehyde oxidase (AO) plays an important role in the metabolism of antitumor and antiviral drugs, including methotrexate, favipiravir, and acyclovir. The consumption of blueberry fruits or their extracts, which contain large amounts of anthocyanins, has recently increased. The intake of large amounts of anthocyanins occurs through the frequent consumption of blueberries or their functional foods, which may result in unwanted interactions between anthocyanins and medicinal drugs.

View Article and Find Full Text PDF

Objectives: We aimed to clarify the accuracy of pregnant women's knowledge and understanding regarding infectious disease screening in early pregnancy and clarify the roles that should be played by health care providers in promoting the health of pregnant women and their children.

Methods: A cross-sectional questionnaire survey was conducted in 25 hospitals across Japan from May 2018 to September 2019. We compared the agreement rates regarding screening results for hepatitis B virus (HBV), hepatitis C virus (HCV), syphilis, human T-cell leukemia virus-1 (HTLV-1), and cervical cytology in the medical records and understanding of their results by pregnant women.

View Article and Find Full Text PDF
Article Synopsis
  • - The study aimed to explore how different anesthetics affect electroretinogram (ERG) results in Spontaneously Diabetic Torii (SDT) fatty rats and normal Sprague-Dawley (SD) rats.
  • - Two anesthetic groups were tested: one with pentobarbital and another with a combination of medetomidine, midazolam, and butorphanol (MMB), measuring various ERG wave characteristics.
  • - Results showed that the MMB group had higher a-wave and OP4 amplitudes in SD rats and higher OP1 amplitudes in SDT fatty rats; however, peak times were generally longer with pentobarbital in SD rats.
View Article and Find Full Text PDF
Article Synopsis
  • The study evaluated the outcomes of percutaneous pericardial effusion drainage in 100 cancer patients, focusing on catheter removal and recurrence rates.
  • The procedure had a 100% technical success rate and a 99% clinical success rate, with most catheters removed after an average of 6 days, and symptomatic recurrence occurring in 9 patients.
  • The median survival for patients was 140 days, indicating that the drainage procedure is effective and safe, providing relief from symptoms while allowing for a significant catheter-free period.
View Article and Find Full Text PDF

Isoamyl alcohol (i-AmOH) is produced from α-ketoisocaproate in the l-leucine biosynthetic pathway in yeast and controlled by the negative feedback regulation of α-isopropylmalate synthase (IPMS), which senses the accumulation of l-leucine. It is known that i-AmOH production increases when mutations in the regulatory domain reduce the susceptibility to feedback inhibition. However, the impact of mutations in this domain on the IPMS activity has not been examined.

View Article and Find Full Text PDF

Objectives: We investigated whether surgical skill and procedure were related to oncological outcomes in cervical cancer patients who underwent Laparoscopic Radical Hysterectomy (LRH).

Methods: We previously assessed data of LRH from 251 patients with FIGO stage (2009) IA2, IB1and IIA1 cervical cancer collected for JGOG 1081s study. 1) The JGOG 1081s cohort study was re-examined to refine the surgical details and extend the follow-up period as chart review.

View Article and Find Full Text PDF

TaN is a promising semiconductor photocatalyst which can generate H gas from water under visible light illumination. It is expected that TaN exhibits a strong anisotropy in its physical properties stemming from its highly anisotropic crystal structure. However, such anisotropic properties have not been verified experimentally due to the difficulty in synthesizing a large single crystal.

View Article and Find Full Text PDF

More than fifty cultivated varieties of blueberries are grown under the same processing conditions on the farm at Chiba Prefectural Agricultural College in Japan. The fruits from 51 blueberry cultivars, including 16 rabbiteye (RE) cultivars (Vaccinium ashei Reade) and 35 highbush (HB) cultivars (Vaccinium corybosum L.), were evaluated for total anthocyanin contents, phenolic contents, and their contribution to antioxidant activity among cultivars.

View Article and Find Full Text PDF