305 results match your criteria: "Graduate School of Medicine and Dental Sciences.[Affiliation]"

Background: Real-world evidence of out-of-hospital ventricular fibrillation (VF), especially regarding intra-day change, remains unclear. We aimed to investigate that age- and gender-dependent difference of intra-day change of VF occurrence.

Method: We enrolled 71,692 patients (males: 56,419 [78.

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Article Synopsis
  • Researchers investigated the effects of the skin-lightening cosmetic Rhododenol (RD), which has been linked to leukoderma (RIL) after repeated use in Japan.
  • A genome-wide association study (GWAS) identified CDH13, a gene linked to T-cadherin, as a key susceptibility gene for RIL, with findings showing that T-cad knockdown increases sensitivity to RD.
  • This study is the first of its kind to explore the genetic aspects of chemical-induced vitiligo, highlighting T-cad's potential role in the disease's pathogenesis through its effects on tyrosinase and apoptotic pathways.
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Neurofibromatosis type 1 associated with hypophosphatemic osteomalacia due to hypersecretion of fibroblast growth factor 23: a case report.

J Med Case Rep

May 2020

Department of Diabetes and Endocrine Medicine, Kagoshima University Graduate School of Medicine and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan.

Background: Neurofibromatosis type 1 is characterized by multiple café au lait spots and cutaneous and plexiform neurofibromas, and is one of the most common autosomal dominant hereditary disorders caused by mutations of the neurofibromatosis type 1 tumor suppressor gene. Osteomalacia in neurofibromatosis type 1 is very rare and is characterized by later onset in adulthood. In humans, fibroblast growth factor 23, which is a causative factor of tumor-induced osteomalacia, is not only a paracrine and autocrine factor, but is also a physiological regulator of phosphate balance in normal serum.

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Growth hormone deficiency with late-onset hypothalamic hypoadrenocorticism associated with respiratory and renal dysfunction: a case report.

BMC Endocr Disord

April 2020

Department of Diabetes and Endocrine Medicine, Kagoshima University Graduate School of Medicine and Dental Sciences, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima, 890-8520, Japan.

Background: The prevalence of childhood-onset growth hormone (GH) deficiency (GHD) is estimated to be approximately 1 in 5000 or more, with the cause unknown in most cases (idiopathic isolated GHD). However, additional disorders of secretion of other pituitary hormones reportedly develop over time, with a frequency of 2-94% (median, 16%). Furthermore, median times to development of other anterior pituitary hormone deficiencies have been reported to be 6.

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A 34-year-old woman was diagnosed with acute promyelocytic leukemia. Chemotherapy was administered following the JALSG APL204 protocol. Induction therapy with all-trans retinoic acid resulted in complete remission on day 49.

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Reciprocal connectivity between secondary auditory cortical field and amygdala in mice.

Sci Rep

December 2019

Department of Neurophysiology, Brain Research Institute, Niigata University, 1-757 Asahimachi-dori, Chuo-ku, Niigata, 951-8585, Japan.

Recent studies have examined the feedback pathway from the amygdala to the auditory cortex in conjunction with the feedforward pathway from the auditory cortex to the amygdala. However, these connections have not been fully characterized. Here, to visualize the comprehensive connectivity between the auditory cortex and amygdala, we injected cholera toxin subunit b (CTB), a bidirectional tracer, into multiple subfields in the mouse auditory cortex after identifying the location of these subfields using flavoprotein fluorescence imaging.

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Perceptions of Residents among Rural Communities with Medical Group Practice in Japan.

Int J Environ Res Public Health

December 2019

Division of Community and Family Medicine, Center of Community Medicine, Jichi Medical University, Shimotsuke-City, Tochigi 329-0498, Japan.

Elucidating the perceptions of residents regarding medical group practice (GP) among rural communities (GP-R) in Japan will be useful for establishing this system in such communities. A survey by questionnaire, as made by experts in rural health, was conducted in 2017. The self-administered questionnaire inquired about the perceptions of residents for accepting the GP-R into the community's healthcare using seven major elements of GP-R.

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The outcomes of transanal endorectal pull-through for Hirschsprung's disease according to the mucosectomy-commencing points: A study based on the results of a nationwide survey in Japan.

J Pediatr Surg

December 2019

The Japanese Study Group for Hirshsprung's disease; Department of Pediatric Surgery, Reproductive and Developmental Medicine, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan. Electronic address:

Background/aim: Although the mucosectomy-commencing points on transanal endorectal pull-through (TAEPT) differ among reports, the optimal point is unclear. This study assessed the outcomes among different mucosectomy-commencing points.

Methods: We conducted a nationwide survey from 2008 to 2012.

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Osteoporosis is characterized by bone loss and skeletal fragility and is likely to occur in postmenopausal women. Distal radius fracture is a type of fragility fractures associated with osteoporosis. Bone mineral density (BMD) refers to the amount of mineral in bone tissue and is an indicator of osteoporosis.

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Purpose: Recent advances in targeted therapy have prolonged overall survival (OS) for patients with lung cancer. The impact of epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKI) on brain metastases (BM) treated with stereotactic radiosurgery (SRS) has not, however, been fully elucidated. We investigated the influence of post-SRS EGFR-TKI use on the efficacy and toxicity of SRS for BM from lung adenocarcinoma.

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Purpose: Stereotactic radiosurgery (SRS) has been increasingly used for elderly patients with brain metastases (BMs). However, no studies based on a large sample size have been reported. To compare SRS treatment results between elderly and non-elderly patients, we performed a subset study of elderly patients using our prospectively-accumulated multi-institution study database (JLGK0901 Study, Lancet Oncol 15:387-395, 2014).

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To ensure that experiences and lessons learned from the unprecedented 2011 Great East Japan Earthquake are used to improve future disaster planning, the Japan Diabetes Society (JDS) launched the "Research and Survey Committee for Establishing Disaster Diabetes Care Systems Based on Relevant Findings from the Great East Japan Earthquake" under the supervision of the Chairman of the JDS. The Committee conducted a questionnaire survey among patients with diabetes, physicians, disaster medical assistance teams (DMATs), nurses, pharmacists, and nutritionists in disaster areas about the events they saw happening, the situations they found difficult to handle, and the needs that they felt required to be met during the 2011 Great East Japan Earthquake. A total of 3,481 completed questionnaires were received.

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Background: Nivolumab has demonstrated antitumor activity and manageable safety in the single-arm, phase II CheckMate 275 study in patients with unresectable locally advanced or metastatic platinum-resistant urothelial carcinoma. We report updated results of the global population and a subanalysis of Japanese patients from this study.

Methods: Patients received nivolumab 3 mg/kg intravenously every 2 weeks until progression or unacceptable toxicity.

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Diabetes Care Providers' Manual for Disaster Diabetes Care.

J Diabetes Investig

July 2019

Department of Ophthalmology, Faculty of Medicine, Yamagata University, Yamagata.

To ensure that experiences and lessons learned from the unprecedented 2011 Great East Japan Earthquake are used to improve future disaster planning, the Japan Diabetes Society (JDS) launched the "Research and Survey Committee for Establishing Disaster Diabetes Care Systems Based on Relevant Findings from the Great East Japan Earthquake" under the supervision of the Chairman of the JDS. The Committee conducted a questionnaire survey among patients with diabetes, physicians, disaster medical assistance teams (DMATs), nurses, pharmacists, and nutritionists in disaster areas about the events they saw happening, the situations they found difficult to handle, and the needs that they felt required to be met during the 2011 Great East Japan Earthquake. A total of 3,481 completed questionnaires were received.

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An autopsy case of peliosis hepatis with X-linked myotubular myopathy.

Leg Med (Tokyo)

May 2019

Division of Legal Medicine, Department of Community Preventive Medicine, Niigata University Graduate School of Medicine and Dental Sciences, Niigata, Japan; Center of Cause of Death Investigation, Faculty of Medicine, Niigata University, Niigata, Japan. Electronic address:

This report describes the autopsy case of a 4-year-old boy who died from hepatic hemorrhage and rupture caused by peliosis hepatis with X-linked myotubular myopathy. Peliosis hepatis is characterized by multiple blood-filled cavities of various sizes in the liver, which occurs in chronic wasting disease or with the use of specific drugs. X-linked myotubular myopathy is one of the most serious types of congenital myopathies, in which an affected male infant typically presents with severe hypotonia and respiratory distress immediately after birth.

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Background: This study was designed to investigate the relationship between right ventricular wall stress (RVWS) and plasma B-type natriuretic peptide (BNP) levels in patients with pulmonary hypertension (PH).

Methods and results: The 57 consecutive PH patients and 8 control subjects were enrolled. Right heart catheterization (RHC), echocardiography, and BNP measurements were performed, and RVWS and left ventricular wall stress (LVWS) were calculated with the formula based on Laplace's law.

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Melanoma cell adhesion molecule is the driving force behind the dissemination of melanoma upon S100A8/A9 binding in the original skin lesion.

Cancer Lett

June 2019

Department of Cell Biology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama-shi, Okayama, 700-8558, Japan. Electronic address:

Since metastasis accounts for the majority of cancer-associated deaths, studies on the mechanisms of metastasis are needed to establish innovative strategies for cancer treatment. We previously reported that melanoma cell adhesion molecule (MCAM) functions as a critical receptor for S100A8/A9, and binding of S100A8/A9 to MCAM results in the migration of melanoma cells to lung tissue. However, the critical role of MCAM in the original melanoma skin lesion is still not clear.

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Endotracheal Intubation Complicated by a Palatal Tooth in a Patient With Treacher Collins Syndrome.

Anesth Prog

January 2020

Division of Dental Anesthesiology, Graduate School of Medicine and Dental Sciences, Niigata University, Niigata, Japan.

Article Synopsis
  • A 16-year-old female with Treacher Collins syndrome experienced difficult endotracheal intubation due to a displaced palatal tooth affecting laryngoscope insertion.
  • The medical team successfully used a fiberscope and King Vision™ video laryngoscope to elevate the epiglottic vallecula for intubation.
  • The case highlights the necessity of removing any obstructions to improve laryngoscopic visibility before administering general anesthesia.
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Nationwide survey of outcome in patients with extensive aganglionosis in Japan.

Pediatr Surg Int

May 2019

Department of Pediatric Surgery, Reproductive and Developmental Medicine, Faculty of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, Fukuoka, 812-8582, Japan.

Purpose: Hirschsprung's disease-related short bowel syndrome (HDSBS) is characterized by aganglionosis that extends orally to 75 cm from Treitz's band. The condition is reported be associated with a high mortality rate of 50-80%. This retrospective study aimed to survey the current trends in HDSBS treatment in Japan.

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Compiling evidence indicates an unusual role of extracellular S100A8/A9 in cancer metastasis. S100A8/A9 secreted from either cancer cells or normal cells including epithelial and inflammatory cells stimulates cancer cells through S100A8/A9 sensor receptors in an autocrine or paracrine manner, leading to cancer cell metastatic progression. We previously reported a novel S100A8/A9 receptor, neuroplastin-β (NPTNβ), which plays a critical role in atopic dermatitis when it is highly activated in keratinocytes by an excess amount of extracellular S100A8/A9 in the inflammatory skin lesion.

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Identification of dysregulated microRNAs in canine malignant melanoma.

Oncol Lett

January 2019

Department of Clinical Veterinary Science, United Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi 753-8511, Japan.

Inhibiting aberrantly upregulated microRNAs (miR/miRNAs) has emerged as a novel focus for therapeutic intervention in human melanoma. Thus, identifying upregulated miRNAs is essential for identifying additional melanoma-associated therapeutic targets. In the present study, microarray-based miRNA profiling of canine malignant melanoma (CMM) tissue obtained from the oral cavity was performed and differential expression was confirmed by a reverse transcription-quantitative polymerase chain reaction (RT-qPCR).

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