14,745 results match your criteria: "Tohoku University Graduate[Affiliation]"

Epigenetic dynamics of partially methylated domains in human placenta and trophoblast stem cells.

BMC Genomics

November 2024

Division of Bioinformatics, Medical Institute of Bioregulation, Kyushu University, Fukuoka, 812- 8582, Japan.

Background: The placenta is essential for nutrient exchange and hormone production between the mother and the developing fetus and serves as an invaluable model for epigenetic research. Most epigenetic studies of the human placenta have used whole placentas from term pregnancies and have identified the presence of partially methylated domains (PMDs). However, the origin of these domains, which are typically absent in most somatic cells, remains unclear in the placental context.

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Anti-Inflammatory Thrombolytic JX10 (TMS-007) in Late Presentation of Acute Ischemic Stroke.

Stroke

December 2024

Department of Research and Development, TMS Co, Ltd, Fuchu, Japan (N.N., K. Hasegawa, K. Hasumi).

Background: Contemporary thrombolytics in acute ischemic stroke are limited to administration within 4.5 hours of last known normal. JX10 (formerly TMS-007), a triprenyl phenol family member, may extend this therapeutic window.

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Article Synopsis
  • Mavacamten, a cardiac myosin inhibitor, showed significant improvements in symptoms and heart function in Japanese patients with obstructive hypertrophic cardiomyopathy (HCM) during the HORIZON-HCM study.
  • In a trial involving 38 patients, 36 completed the 30-week treatment, which resulted in a notable reduction in postexercise left ventricular outflow tract (LVOT) gradient and improvements in cardiac biomarkers and quality of life metrics.
  • The treatment was well tolerated, with adverse events reported but none leading to discontinuation, and no deaths occurred throughout the study.
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The Distress and Benefits of the Bereaved Family Survey: A Mortality Follow-Back Survey.

J Pain Symptom Manage

February 2025

Division of Psycho-Oncology (A.O.), Exploratory Oncology Research and Clinical Trial Center, National Cancer Center, Chiba, Japan.

Context: The Bereaved Family Survey is an important method for evaluating the quality of palliative care.

Objectives: To examine the distress and benefits of bereaved families of patients with or without cancer, who participated in a Bereaved Family Survey, and identify factors associated with distress and benefits.

Methods: We conducted a nationwide cross-sectional, self-reported questionnaire mail survey among the bereaved families of patients who died of cancer, heart disease, cerebrovascular disease, pneumonia, or kidney failure.

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Background: This study investigated the impact of total knee arthroplasty (TKA) on the alignment of the ankle joint, focusing on changes in coronal alignment of both ankles.

Methods: This retrospective study, conducted at our hospital, included 64 patients older than 70 years who underwent TKA for varus knee osteoarthritis (OA). Using full-length standing radiographs of both lower extremities taken preoperatively and 6 months postoperatively, we assessed ankle OA grading based on the Takakura-Tanaka classification and measured mechanical hip-knee-ankle (mHKA) and the tibiotalar angle (TTA) on both the surgical and contralateral side.

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  • A study aimed to evaluate the adherence to a balanced transfusion strategy in severely injured patients in Japan, which is believed to lower mortality rates during resuscitation.
  • The researchers analyzed data from the RESTRIC trial, categorizing patients into two massive transfusion groups based on the volume of red blood cell (RBC) transfusions they received.
  • Results showed that while the ratio of fresh frozen plasma (FFP) to RBC transfusions was consistently balanced, the platelet concentrate (PC) to RBC ratio was not fully balanced, especially in the early phases of treatment.
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Updated Genetic Analysis of Japanese Familial ALS Patients Carrying Variants Revealed Phenotypic Differences for Common Variants.

Neurol Genet

December 2024

From the Departments of Neurology (A.N., N.S., R.I., T.A., M.K., H.W., M.A.), and Medical Genetics (T.N., R.I., Y.A.), Tohoku University School of Medicine; and Division of Cell Proliferation (R.F., K.N.), United Center for Advanced Research and Translational Medicine, Tohoku University Graduate School of Medicine, Sendai, Japan.

Background And Objectives: Amyotrophic lateral sclerosis (ALS) is an adult-onset progressive neurodegenerative disease. Approximately 10% of ALS cases are familial, and more than 20 causative genes have been identified. As we have previously reported, variants are the most common causes of familial ALS in Japan.

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Damage to the peripheral nerves of trigeminal ganglion (TG) neurons leads to intractable orofacial neuropathic pain through the induction of neuroinflammation. However, the details of this process are not yet fully understood. Here, we found that fibroblast-derived interleukin (IL)-33 was required for the development of mechanical allodynia in whisker pad skin following infraorbital nerve injury (IONI).

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Introduction: Pelvic arteriovenous malformation is often a source of intraoperative bleeding. Here, we report our experience with a case of ureteral cancer with pelvic arteriovenous malformation treated using laparoscopic nephroureterectomy with temporary intraoperative occlusion of the internal iliac artery.

Case Presentation: A 75-year-old man presented to our hospital with asymptomatic macro-hematuria.

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Article Synopsis
  • Distant recurrence of non-muscle invasive bladder cancer is a rare and challenging condition to detect during follow-up.
  • A 73-year-old woman with a history of bladder cancer developed tumors in her axilla, lungs, lymph nodes, and adrenal glands, initially misdiagnosed as metastatic breast cancer.
  • The diagnosis was corrected to metastatic urothelial carcinoma after a biopsy, emphasizing the need to consider bladder cancer as a potential source of distant metastases even when there's no sign of recurrence in the urinary tract.
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Introduction and background Non-consensual sex, including rape and sexual assault, has been a global concern and may have been influenced by the COVID-19 pandemic. However, information on this topic is limited. Therefore, our objective was to survey the incidence rate of non-consensual sex among Japanese women aged 15-79 years between April and September 2020, during the early stages of the COVID-19 pandemic in Japan.

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  • A whitish subepithelial lesion was found in the lower thoracic esophagus during an endoscopy, raising concerns about potential esophageal cancer, but initial biopsy results were inconclusive.
  • After 10 days, endoscopic ultrasound revealed a 7-mm round mass, which was later confirmed to be esophageal neuroendocrine carcinoma (eNEC) through biopsy.
  • Following a clinical diagnosis of cT2N0M0, the patient underwent subtotal esophagectomy and chemotherapy, with significant changes in the tumor's appearance noted within just 1.5 months.
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  • This study analyzed 389 patients aged 65 and older with cervical spinal cord injury (CSCI) but no bone injury to assess the effects of diabetes on neurological recovery.
  • The research found that there were no significant differences in neurological outcomes between diabetic patients and those without diabetes at 6 months post-injury.
  • Additionally, moderate-severe diabetes did not adversely impact recovery, suggesting that diabetic patients had similar improvements in neurological function as their nondiabetic counterparts.
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Background: A previous Phase II clinical trial, conducted from 1995 to 2003, evaluated CNS germ cell tumors (GCTs) using a three-group treatment stratification based on histopathology. The primary objective of the study was to assess the long-term efficacy of standardized treatment regimens, while the secondary objective focused on identifying associated long-term complications.

Methods: Total 228 patients were classified into three groups for treatment: germinoma (n=161), intermediate prognosis (n=38), and poor prognosis (n=28), excluding one mature teratoma case.

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  • Patients with cardiac sarcoidosis (CS) are at a heightened risk of fatal ventricular arrhythmic events (FVAE), but the role of FDG-PET in predicting these risks was unclear.
  • Data from 121 CS patients were analyzed, focusing on differences in F-FDG uptake in specific heart regions, particularly the basal inferoseptal segment, during FDG-PET imaging.
  • Results indicated that lower F-FDG uptake in the basal inferoseptal segment correlated with a higher incidence of FVAE, suggesting it could serve as a valuable predictor for assessing future FVAE risk in patients with CS.
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Introduction: Hypercoagulability-related graft thrombosis is the leading cause of graft failure after simultaneous pancreas-kidney transplantation (SPK). Addressing this issue is crucial to improve the outcomes of SPK recipients. Thromboelastography (TEG) has been used to assess the coagulation profiles of SPK recipients.

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Progressive Amyloid-β Accumulation in the Brain leads to Altered Protein Expressions in the Liver and Kidneys of APP knock-in Mice.

J Pharm Sci

November 2024

Department of Pharmaceutical Microbiology, Faculty of Life Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan; Department of Pharmaceutical Microbiology, School of Pharmacy, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan; Department of Pharmaceutical Microbiology, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Chuo-ku, Kumamoto 862-0973, Japan.

Impaired hepatic and renal function influence Alzheimer's disease (AD) progression; however, whether AD progression affects these important organ functions remains unclear. Here, we investigated the impact of AD progression, characterized by brain amyloid-beta (Aβ) accumulation, on liver and kidney function of App (APP-KI) mice using quantitative proteomics. SWATH-based quantitative proteomics revealed changes in mitochondrial, drug metabolism, and pharmacokinetic-related proteins in mouse liver and kidneys during the early (2-month-old) and intermediate (5-month-old) stages of Aβ accumulation.

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Corneal hysteresis (CH) is associated with glaucomatous structural changes. We retrospectively investigated the association between CH and the regional circumpapillary retinal nerve fibre layer thickness (cpRNFLT) in 419 eyes of 419 patients with normal-tension glaucoma (NTG) and primary open-angle glaucoma (POAG). CH was used as the explanatory variable, and cpRNFLT (total and quadrant) was used as the dependent variable.

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  • Type 2 diabetes mellitus (T2DM) leads to smaller pial vessels and lower blood flow velocity before and after a stroke, contributing to poor recovery outcomes.
  • After a stroke, T2DM mice showed persistent deficits in blood flow and increased leukocyte adhesion to blood vessel walls, highlighting chronic inflammation's role in complicating recovery.
  • The study used two-photon microscopy to analyze blood flow dynamics, vessel remodeling, and inflammation in the brain, suggesting that T2DM-induced changes worsen stroke effects.
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