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https://www.readbyqxmd.com/read/28103662/-strangulation-of-the-penis-by-four-metallic-washers
#1
Yuto Matsushita, Hiroshi Furuse, Rikiya Matsumoto, Takayuki Sugiyama, Masao Nagata, Atsushi Otsuka, Seiichiro Ozono
We report here a case of strangulation of the penis. A 69-year-old male visited our hospital suffering from a swollen penis and dysuria after installation of four metallic washers to the penis. He had mischievously put them on his penis four days before and subsequently was unable to remove them. We found erosion on the surface of the penis, reduction in blood flow by ultrasonography, and high C-reactive protein levels. Because we could not remove washers by blood removal from glans penis or ring cutter, we performed percutaneous cystostomy and then cut the washers with an electric grinder under general anesthesia...
December 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28100861/-a-case-of-intracranial-localized-castleman-s-disease-mimicking-convexity-meningioma
#2
Keisuke Ozono, Takashi Fujimoto, Makoto Hirose, Ichiro Kawahara, Kazuyoshi Uchihashi
A 68-year-old man presented with abnormal behavior and Todd's paralysis on the right side after having taken a bath. Computed tomography and magnetic resonance imaging revealed a tumor mimicking convexity meningioma that had a perifocal edema, although its mass was not very large. The patient underwent surgery, and full recovery was achieved following a total removal of the lesion. Pathohistological examination demonstrated an intermediate type of Castleman's disease. The final diagnosis was intracranial localized Castleman's disease because the results of the full physical examination and laboratory analyses were normal...
January 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28063845/comparative-assessment-of-efficacies-between-2%C3%A2-alternative-therapeutic-sequences-with-novel%C3%A2-androgen-receptor-axis-targeted-agents%C3%A2-in-patients-with-chemotherapy-na%C3%A3-ve-metastatic-castration-resistant-prostate-cancer
#3
Hideaki Miyake, Takuto Hara, Keita Tamura, Takayuki Sugiyama, Hiroshi Furuse, Seiichiro Ozono, Masato Fujisawa
BACKGROUND: The objective of this study was to compare the efficacies of sequential therapies with novel androgen receptor-axis-targeted (ARAT) agents in patients with docetaxel-naïve metastatic castration-resistant prostate cancer (mCRPC). PATIENTS AND METHODS: This study included 108 consecutive patients with mCRPC who sequentially received abiraterone acetate (AA) and enzalutamide (Enz), in either order, without prior treatment with docetaxel. The combined prostate-specific antigen (PSA) progression-free survival (PFS) was defined as the sum of PFS1 and PFS2, representing PSA PFSs on the first and second ARAT agents, respectively...
December 22, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28050601/progeroid-syndrome-patients-with-zmpste24-deficiency-could-benefit-when-treated-with-rapamycin-and-dimethylsulfoxide
#4
Baris Akinci, Shireesha Sankella, Christopher Gilpin, Keiichi Ozono, Abhimanyu Garg, Anil K Agarwal
Patients with progeroid syndromes such as mandibuloacral dysplasia, type B (MADB) and restrictive dermopathy (RD) harbor mutations in zinc metalloproteinase (ZMPSTE24), an enzyme essential for posttranslational proteolysis of prelamin A to form mature lamin A. Dermal fibroblasts from these patients show increased nuclear dysmorphology and reduced proliferation; however, the efficacy of various pharmacological agents in reversing these cellular phenotypes remains unknown. In this study, fibroblasts from MADB patients exhibited marked nuclear abnormalities and reduced proliferation that improved upon treatment with rapamycin and dimethylsulfoxide but not with other agents, including farnesyl transferase inhibitors...
January 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/28042030/ectopic-expression-of-the-cdk-inhibitor-p21-cip1-enhances-deregulated-e2f-activity-and-increases-cancer-cell-specific-cytotoxic-gene-expression-mediated-by-the-arf-tumor-suppressor-promoter
#5
Kenta Kurayoshi, Ayumi Shiromoto, Eiko Ozono, Ritsuko Iwanaga, Andrew P Bradford, Keigo Araki, Kiyoshi Ohtani
In cancer treatment, specifically targeting cancer cells is important for optimal therapeutic efficacy. One strategy is to utilize a cancer specific promoter to express a cytotoxic gene or a viral gene required for replication. In this approach, the therapeutic window is dependent on the relative promoter activity in cancer cells versus normal cells. Therefore, a promoter with optimal cancer cell-specificity should be used. The tumor suppressor ARF promoter, which specifically responds to deregulated E2F activity, is a potent candidate...
January 29, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28013294/mutation-in-vps33a-affects-metabolism-of-glycosaminoglycans-a-new-type-of-mucopolysaccharidosis-with-severe-systemic-symptoms
#6
Hidehito Kondo, Nadezda Maksimova, Takanobu Otomo, Hisakazu Kato, Atsuko Imai, Yoshihiro Asano, Kaori Kobayashi, Satoshi Nojima, Akihiro Nakaya, Yusuke Hamada, Kaori Irahara, Elizaveta Gurinova, Aitalina Sukhomyasova, Anna Nogovicina, Mira Savvina, Tamotsu Yoshimori, Keiichi Ozono, Norio Sakai
Mucopolysaccharidoses (MPS) are a group of genetic deficiencies of lysosomal enzymes that catabolize glycosaminoglycans (GAG). Here we describe a novel MPS-like disease caused by a specific mutation in the VPS33A gene. We identified several Yakut patients showing typical manifestations of MPS: coarse facial features, skeletal abnormalities, hepatosplenomegaly, respiratory problems, mental retardation, and excess secretion of urinary GAG. However, these patients could not be diagnosed enzymatically as MPS. They showed extremely high levels of plasma heparan sulphate (HS, one of GAG); 60 times the normal reference range and 6 times that of MPS patients...
December 23, 2016: Human Molecular Genetics
https://www.readbyqxmd.com/read/28003569/assessment-criteria-for-vitamin-d-deficiency-insufficiency-in-japan-proposal-by-an-expert-panel-supported-by-research-program-of-intractable-diseases-ministry-of-health-labour-and-welfare-japan-the-japanese-society-for-bone-and-mineral-research-and-the-japan
#7
Ryo Okazaki, Keiichi Ozono, Seiji Fukumoto, Daisuke Inoue, Mika Yamauchi, Masanori Minagawa, Toshimi Michigami, Yasuhiro Takeuchi, Toshio Matsumoto, Toshitsugu Sugimoto
Vitamin D is indispensable for the maintenance of bone and mineral health. Inadequate vitamin D action increases the risk for various musculoskeletal/mineral events including fracture, fall, secondary hyperparathyroidism, diminished response to antiresorptives, rickets/osteomalacia, and hypocalcemia. Its most common cause in recent years is vitamin D deficiency/insufficiency, clinically defined by low serum 25-hydroxyvitamin D [25(OH)D] level. Guidelines for vitamin D insufficiency/deficiency defined by serum 25(OH)D concentrations have been published all over the world...
December 20, 2016: Endocrine Journal
https://www.readbyqxmd.com/read/27936943/association-of-sleep-habits-with-blood-pressure-in-elderly-people
#8
Nobuo Sasaki, Ryoji Ozono, Hidehisa Yamashita, Hirofumi Ashimen, Yoshiko Miyamoto, Sumi Iwami, Naomi Yuzono, Saeko Fujiwara, Yasuki Kihara
We investigated the impact of sleep habits on blood pressure (BP) in cross-sectional analyses of 1533 participants aged ≥ 70 without cardiovascular disease or treatment for hypertension, diabetes mellitus, and dyslipidemia. We assessed sleep habits [time in bed (TIB), bed time, and taking sleeping pills], using the Pittsburgh Sleep Quality Index. For groups where TIB was >8 h and <6 h, systolic BP was significantly higher than the group where TIB ranged 6-8 h (134.2 ± 17.5, 134.8 ± 19.6 vs. 130.1 ± 17...
2016: Clinical and Experimental Hypertension: CHE
https://www.readbyqxmd.com/read/27934871/solving-the-second-order-free-rider-problem-in-a-public-goods-game-an-experiment-using-a-leader-support-system
#9
Hiroki Ozono, Nobuhito Jin, Motoki Watabe, Kazumi Shimizu
Punishment of non-cooperators-free riders-can lead to high cooperation in public goods games (PGG). However, second-order free riders, who do not pay punishment costs, reduce the effectiveness of punishment. Here we introduce a "leader support system," in which one group leader can freely punish group followers using capital pooled through the support of group followers. In our experiment, participants engage in three stages repeatedly: a PGG stage in which followers decide to cooperate for their group; a support stage in which followers decide whether to support the leader; and a punishment stage in which the leader can punish any follower...
December 9, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27920099/systematic-regional-lymph-node-dissection-for-upper-tract-urothelial-carcinoma-improves-patient-survival
#10
Hiroshi Furuse, Yuto Matsushita, Takashi Yajima, Taiki Kato, Takahisa Suzuki, Rikiya Matsumoto, Daisuke Motoyama, Takayuki Sugiyama, Atsushi Otsuka, Seiichiro Ozono
OBJECTIVE: Unlike for bladder cancer, the impact of regional lymph node dissection for upper tract urothelial carcinoma is unclear. We explored whether patient survival was influenced by systematic regional lymph node dissection, using resection templates according to the main tumor location, during radical nephroureterectomy for upper tract urothelial carcinoma. METHODS: The systematic regional lymph node dissection group was defined as cases in which the dissection of nodes and surrounding tissues followed the established template, and the non-systematic regional lymph node dissection group as cases undergoing limited or no lymph node dissection...
December 4, 2016: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/27904104/the-effects-of-unilateral-nephrectomy-on-blood-pressure-and-its-circadian-rhythm
#11
Naro Ohashi, Shinsuke Isobe, Sayaka Ishigaki, Takahisa Suzuki, Daisuke Motoyama, Takayuki Sugiyama, Masao Nagata, Akihiko Kato, Seiichiro Ozono, Hideo Yasuda
Objective Hypertension and diurnal blood pressure (BP) variation are widely accepted as risk factors for renal damage. However, the effects of unilateral nephrectomy on BP and its circadian rhythm have not yet been clarified in patients with a compromised renal function, including dialysis patients. Methods We investigated 22 unilateral nephrectomized patients (16 men and 6 women, age: 64.5±14.3 years). The function of the circulating renin-angiotensin system (RAS) (plasma renin activity and plasma angiotensin II) and 24-h ambulatory BP monitoring (ABPM) were evaluated before and after nephrectomy...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27888102/the-phosphatidyl-inositol-3-kinase-pathway-does-not-suppress-activation-of-the-arf-and-bim-genes-by-deregulated-e2f1-activity
#12
Kenta Kurayoshi, Junko Okuno, Eiko Ozono, Ritsuko Iwanaga, Andrew P Bradford, Kazuyuki Kugawa, Keigo Araki, Kiyoshi Ohtani
The transcription factor E2F plays crucial roles in tumor suppression by activating pro-apoptotic genes such as the tumor suppressor ARF. The regulation of the ARF gene is distinct from that of growth-related E2F targets, in that it is specifically activated by deregulated E2F activity, induced by over-expression of E2F or forced inactivation of pRB, but not by physiological E2F activity induced by growth stimulation. The phosphatidyl inositol 3 kinase (PI3K) pathway was reported to suppress expression of some atypical pro-apoptotic genes by over-expressed E2F1...
January 22, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27882481/assessment-criteria-for-vitamin-d-deficiency-insufficiency-in-japan-proposal-by-an-expert-panel-supported-by-the-research-program-of-intractable-diseases-ministry-of-health-labour-and-welfare-japan-the-japanese-society-for-bone-and-mineral-research-and-the
#13
Ryo Okazaki, Keiichi Ozono, Seiji Fukumoto, Daisuke Inoue, Mika Yamauchi, Masanori Minagawa, Toshimi Michigami, Yasuhiro Takeuchi, Toshio Matsumoto, Toshitsugu Sugimoto
Vitamin D is indispensable for the maintenance of bone and mineral health. Inadequate vitamin D action increases the risk for various musculoskeletal/mineral events including fracture, fall, secondary hyperparathyroidism, diminished response to antiresorptives, rickets/osteomalacia, and hypocalcemia. Its most common cause in recent years is vitamin D deficiency/insufficiency, clinically defined by a low serum 25-hydroxyvitamin D [25(OH)D] level. Guidelines for vitamin D insufficiency/deficiency defined by serum 25(OH)D concentrations have been published all over the world...
November 23, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27823720/impact-of-sleep-on-osteoporosis-sleep-quality-is-associated-with-bone-stiffness-index
#14
Nobuo Sasaki, Saeko Fujiwara, Hidehisa Yamashita, Ryoji Ozono, Kazushi Teramen, Yasuki Kihara
OBJECTIVE: The aim of the present study was to investigate the impact of sleep on osteoporosis. METHODS: The study used a baseline examination of the Hiroshima Sleep and Healthcare study, which was a cross-sectional and cohort study that addressed the association of sleep habits with lifestyle-related diseases. A total of 1032 participants (25-85 years of age) who underwent health examinations were included. Sleep habits, including its timing (bed time), quantity (time in bed [TIB]), and quality, were assessed using the Pittsburgh Sleep Quality Index (PSQI)...
September 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27780981/longitudinal-observation-of-serum-anti-m%C3%A3-llerian-hormone-in-three-girls-after-cancer-treatment
#15
Yoko Miyoshi, Kie Yasuda, Makiko Tachibana, Hisao Yoshida, Emiko Miyashita, Takako Miyamura, Yoshiko Hashii, Kae Hashimoto, Tadashi Kimura, Keiichi Ozono
Gonadal dysfunction and infertility are major endocrinological late effects among childhood cancer survivors. Chemotherapy and radiation have gonadotoxic effects and diminish the ovarian reserve. The serum concentration of anti-Müllerian hormone (AMH) is a useful marker of ovarian reserve in survivors. We conducted a longitudinal study to investigate the variations of AMH in evaluating the acute and chronic effects of cancer therapy on the ovary. Three young female patients with different hematological diseases were registered, and their medical records were reviewed...
October 2016: Clinical Pediatric Endocrinology: Case Reports and Clinical Investigations: Official Journal of the Japanese Society for Pediatric Endocrinology
https://www.readbyqxmd.com/read/27762664/limited-immunogenicity-of-human-induced-pluripotent-stem-cell-derived-cartilages
#16
Takeshi Kimura, Akihiro Yamashita, Keiichi Ozono, Noriyuki Tsumaki
Articular cartilage damage does not spontaneously heal and could ultimately result in a loss of joint function. Damaged cartilage can be repaired with cell/tissue sources that are transplanted, however, autologous chondrocytes are limited in number as a cell source. Induced pluripotent stem cells (iPSCs) are a relatively new and abundant cell source and can be made from the patient, but at a considerable cost. Because cartilage is immunoprivileged tissue, allogeneic cartilages have been transplanted effectively without matching for human leukocyte antigen (HLA), but are difficult to acquire due to scarcity of donors...
December 2016: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/27761002/intrarenal-renin-angiotensin-system-activity-is-augmented-after-initiation-of-dialysis
#17
Naro Ohashi, Shinsuke Isobe, Sayaka Ishigaki, Takahisa Suzuki, Masafumi Ono, Tomoyuki Fujikura, Takayuki Tsuji, Akihiko Kato, Seiichiro Ozono, Hideo Yasuda
Circulating renin-angiotensin system (RAS) activation is maintained after renal function has deteriorated. The activation of the intrarenal RAS plays a critical role in the pathophysiology of chronic kidney disease (CKD), independently of the circulating RAS. However, the activation of intrarenal RAS and the chymase-dependent pathway after initiation of dialysis has not been clarified. We recruited 19 CKD patients (10 without dialysis and 9 with dialysis) who underwent a heminephrectomy. Circulating RAS was investigated before nephrectomy...
October 20, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
https://www.readbyqxmd.com/read/27748053/hepatocellular-carcinoma-in-children-and-young-patients-with-chronic-hbv-infection-and-the-usefulness-of-alpha-fetoprotein-assessment
#18
Hitoshi Tajiri, Tomoko Takano, Hideo Tanaka, Kosuke Ushijima, Ayano Inui, Yoko Miyoshi, Keiichi Ozono, Daiki Abukawa, Takeshi Endo, Stephen Brooks, Yasuhito Tanaka
The aims of the study were to elucidate the clinical characteristics of patients who developed hepatocellular carcinoma (HCC) related to persistent HBV infection since childhood and to investigate usefulness of assessing alpha-fetoprotein (AFP) in this population. A nationwide multicenter survey of children with chronic HBV infection was performed. Among 548 patients, 15 patients developed HCC at the median age of 15 years (range 9-36), including 13 males and 2 females. A case-control comparison showed that HBeAg seroconversion and liver cirrhosis were associated with the occurrence of HCC...
November 2016: Cancer Medicine
https://www.readbyqxmd.com/read/27739425/glucocorticoid-regulation-of-atp-release-from-spinal-astrocytes-underlies-diurnal-exacerbation-of-neuropathic-mechanical-allodynia
#19
Satoru Koyanagi, Naoki Kusunose, Marie Taniguchi, Takahiro Akamine, Yuki Kanado, Yui Ozono, Takahiro Masuda, Yuta Kohro, Naoya Matsunaga, Makoto Tsuda, Michael W Salter, Kazuhide Inoue, Shigehiro Ohdo
Diurnal variations in pain hypersensitivity are common in chronic pain disorders, but the underlying mechanisms are enigmatic. Here, we report that mechanical pain hypersensitivity in sciatic nerve-injured mice shows pronounced diurnal alterations, which critically depend on diurnal variations in glucocorticoids from the adrenal glands. Diurnal enhancement of pain hypersensitivity is mediated by glucocorticoid-induced enhancement of the extracellular release of ATP in the spinal cord, which stimulates purinergic receptors on microglia in the dorsal horn...
October 14, 2016: Nature Communications
https://www.readbyqxmd.com/read/27729603/-internal-carotid-artery-stenosis-associated-with-hyoid-bone-can-hyoid-bone-be-a-risk-factor-for-acute-cerebrovascular-syndrome
#20
Ichiro Kawahara, Keisuke Ozono, Takashi Fujimoto, Makoto Hirose
Eagle syndrome is a well-known disease caused by elongation of the styloid process and/or calcification of the stylohyoid ligament, which interferes with adjacent anatomical structures, giving rise to acute cerebrovascular syndrome(ACVS)and/or pain. Although hyoid bone is also a stylohyoid complex, its association with ACVS is not well known. Thus, we investigated the anatomical relationship between the internal carotid artery(ICA)and the hyoid bone. Between January 2014 and December 2015, three-dimensional computed tomographic angiography(3D-CTA)of the neck was performed for 218 patients...
October 2016: No Shinkei Geka. Neurological Surgery
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