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https://www.readbyqxmd.com/read/28634350/a-subset-of-cerebrovascular-pericytes-originates-from-mature-macrophages-in-the-very-early-phase-of-vascular-development-in-cns
#1
Seiji Yamamoto, Masashi Muramatsu, Erika Azuma, Masashi Ikutani, Yoshinori Nagai, Hiroshi Sagara, Bon-Nyeo Koo, Satomi Kita, Erin O'Donnell, Tsuyoshi Osawa, Hiroyuki Takahashi, Ken-Ichi Takano, Mitsuko Dohmoto, Michiya Sugimori, Isao Usui, Yasuhide Watanabe, Noboru Hatakeyama, Takahiro Iwamoto, Issei Komuro, Kiyoshi Takatsu, Kazuyuki Tobe, Shumpei Niida, Naoyuki Matsuda, Masabumi Shibuya, Masakiyo Sasahara
Pericytes are believed to originate from either mesenchymal or neural crest cells. It has recently been reported that pericytes play important roles in the central nervous system (CNS) by regulating blood-brain barrier homeostasis and blood flow at the capillary level. However, the origin of CNS microvascular pericytes and the mechanism of their recruitment remain unknown. Here, we show a new source of cerebrovascular pericytes during neurogenesis. In the CNS of embryonic day 10.5 mouse embryos, CD31(+)F4/80(+) hematopoietic lineage cells were observed in the avascular region around the dorsal midline of the developing midbrain...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28632279/%C3%AE%C2%B5-polylysine-based-thermo-responsive-adsorbents-for-immunoglobulin-adsorption-desorption-under-mild-conditions
#2
Masashi Maruyama, Keisuke Shibuya
Thermo-responsive adsorbents for immunoglobulin G (IgG) employing ε-polylysine (EPL) as a polymer backbone were developed. The introduction of mercaptoethylpyridine (MEP) as an IgG-binding ligand and hydrophobization of side chains afforded thermo-responsive IgG adsorbents, whose thermo-responsive IgG desorption ratio was up to 88% (EPL/MEP derivative 3m). The changes in surface densities of active MEP groups, which are caused by thermal conformational changes of the adsorbents, play key roles for IgG desorption...
June 20, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28626260/a-case-of-api2-malt1-positive-gastric-malt-lymphoma-with-concomitant-diffuse-large-b-cell-lymphoma
#3
Akashi Fujita, Masahiro Tajika, Tsutomu Tanaka, Makoto Ishihara, Yutaka Hirayama, Nobumasa Mizuno, Kazuo Hara, Susumu Hijioka, Hiroshi Imaoka, Tsukasa Yoshida, Nozomi Okuno, Nobuhiro Hieda, Takashi Hirayama, Hitoshi Shibuya, Hisashi Kondo, Hirotaka Suzuki, Kazuhiro Toriyama, Yasushi Yatabe, Kenji Yamao, Yasumasa Niwa
API2-MALT1 translocation-positive gastric marginal zone lymphomas of mucosa-associated lymphoid tissue (MALT) lymphoma is thought to transform to diffuse large B-cell lymphoma (DLBCL) rarely. A 69-year-old man presented with epigastralgia. Esophagogastroduodenoscopy showed multiple ulcerations in the stomach. Endoscopic biopsies revealed MALT lymphoma, with Helicobacter pylori infection. The patient underwent eradication therapy with no improvement, and was thereafter followed without additional therapy at his request...
February 2017: Nagoya Journal of Medical Science
https://www.readbyqxmd.com/read/28626185/miliary-tuberculosis-that-developed-after-intravesical-bacillus-calmette-guerin-therapy
#4
Kyohei Kaburaki, Keishi Sugino, Muneyuki Sekiya, Yujiro Takai, Kazutoshi Shibuya, Sakae Homma
As a treatment for superficial transitional cell carcinoma, Bacillus Calmette-Guerin (BCG) intravesical instillation can rarely cause unpredictable systemic side effects. We describe a patient admitted due to continuous pyrexia and general fatigue. He was previously treated with intravesical BCG. Laboratory data indicated a hepatic disorder, and chest computed tomography revealed extensive bilateral miliary nodules. Transbronchial lung biopsy specimens showed several small noncaseating granulomas. The diagnosis was unsolved on the basis of acid fast staining, polymerase chain reaction and microbiological cultures, so we considered the possibility of BCG side effect-induced granuloma...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28626170/investigating-the-relationship-between-morning-glycemic-variability-and-patient-characteristics-using-continuous-glucose-monitoring-data-in-patients-with-type-2-diabetes
#5
Soichi Takeishi, Akihiro Mori, Miyuka Kawai, Yohei Yoshida, Hiroki Hachiya, Takayuki Yumura, Shun Ito, Takashi Shibuya, Nobutoshi Fushimi, Noritsugu Ohashi, Hiromi Kawai
Objective To investigate the relationship between patient characteristics and morning glycemic variability. Methods We retrospectively evaluated 106 patients with type 2 diabetes who underwent continuous glucose monitoring during admission. The highest postprandial glucose level (within 3 hours after breakfast; 'highest level'), the time from the start of breakfast to the highest postprandial glucose level ('highest time'), the difference between the pre-breakfast and highest postprandial breakfast glucose level ('increase'), the area under the curve (AUC; ≥180 mg/dL) for the glycemic variability within 3 hours after breakfast ('morning AUC'), and the post-breakfast glucose gradient ('gradient') were calculated...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28620501/efficacy-of-lenvatinib-in-a-patient-with-anaplastic-thyroid-cancer
#6
Kazuyuki Oishi, Daisuke Takabatake, Yuichi Shibuya
We experienced a case of an 82-year-old woman who presented to our hospital with a 1-month history of dysphagia and dyspnea. Cervical contrast-enhanced computed tomography revealed diffuse thyroid neoplasms causing significant tracheal stenosis with tumors, particularly of the superior mediastinum, which were associated with an embolism of the brachiocephalic vein and suspected invasion to the bilateral common carotid arteries. Anaplastic thyroid cancer (ATC) was diagnosed by fine-needle aspiration; thus, emergency tracheostomy and gastrostomy were performed...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28613097/dynamic-muscle-ultrasound-identifies-upper-motor-neuron-involvement-in-amyotrophic-lateral-sclerosis
#7
Yu-Ichi Noto, Neil Simon, Kazumoto Shibuya, José M Matamala, Thanuja Dharmadasa, Matthew C Kiernan
OBJECTIVE: The aim of the present study was to elucidate the pattern of change in bulbar muscles using ultrasound in patients diagnosed with amyotrophic lateral sclerosis (ALS). METHODS: Changes in the mylohyoid and geniohyoid muscle complex (mylohyoid-geniohyoid-muscle-complex) thickness were recorded while swallowing 5 ml of water using M-mode ultrasound in 30 ALS patients compared to 20 healthy controls. The ratio of mylohyoid-geniohyoid-muscle-complex thickness as determined by the maximum thickness of mylohyoid-geniohyoid-muscle-complex during swallowing divided by thickness at rest, was compared between ALS patients and controls, with the correlation between thickness ratio, echogenicity and clinical parameters assessed...
February 10, 2017: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/28610688/efficacy-of-patient-specific-bolus-created-using-three-dimensional-printing-technique-in-photon-radiotherapy
#8
Koya Fujimoto, Takehiro Shiinoki, Yuki Yuasa, Hideki Hanazawa, Keiko Shibuya
PURPOSE: A commercially available bolus ("commercial-bolus") does not make complete contact with the irregularly shaped patient skin. This study aims to customise a patient-specific three-dimensional (3D) bolus using a 3D printing technique ("3D-bolus") and to evaluate its clinical feasibility for photon radiotherapy. METHODS: The 3D-bolus was designed using a treatment planning system (TPS) in Digital Imaging and Communications in Medicine-Radiotherapy (DICOM-RT) format, and converted to stereolithographic format for printing...
June 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28606831/relationship-between-dental-status-and-development-of-osteoradionecrosis-of-the-jaw-a-multicenter-retrospective-study
#9
Yuka Kojima, Souichi Yanamoto, Masahiro Umeda, Yumiko Kawashita, Izumi Saito, Takumi Hasegawa, Takahide Komori, Nobuhiro Ueda, Tadaaki Kirita, Shin-Ichi Yamada, Hiroshi Kurita, Yasuko Senga, Yasuyuki Shibuya, Hiroshi Iwai
OBJECTIVE: Osteoradionecrosis of the jaw is a serious late adverse event in patients with head and neck cancer undergoing radiotherapy. The aim of this study is to investigate the relationship between dental status and development of osteoradionecrosis. STUDY DESIGN: Multicenter, retrospective observational study. A total of 392 patients with head and neck cancer who underwent radiotherapy were investigated for correlations between the development of osteoradionecrosis and various factors...
May 4, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/28606045/patient-impressions-of-possible-catastrophic-outcomes-after-diabetic-foot-ulceration
#10
Benjamin Vickers, Javier La Fontaine, Naohiro Shibuya, Daniel C Jupiter, Zachary Ashmore
BACKGROUND: Diabetes mellitus (DM) and its complications are well studied; patients with diabetes may suffer from neuropathy and vascular issues, and associated with these, lower extremity ulceration. Ulcers are often refractory to treatment, and can be difficult for both patients and clinicians to manage. Such complications may lead to amputations, which in turn are a risk factor for death. However, in certain situations amputation may be the only option available, and may be used as reconstructive surgery, restoring function...
June 12, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28604288/laparoendoscopic-single-site-nephrectomy-for-hemodialysis-patients-with-dialysis-related-renal-tumors
#11
Kohei Takei, Mutsushi Yamasaki, Satoki Abe, Naoyuki Yamanaka, Shinya Sejiyama, Takahiro Narimatsu, Shinro Hata, Tadamasa Shibuya, Kenichi Hirai, Tadasuke Ando, Toshitaka Shin, Kenichi Mori, Yasuhiro Sumino, Takeo Nomura, Fuminori Sato, Toshiro Terachi, Hiromitsu Mimata
PURPOSE: The purpose of this study is to assess the efficacy of laparoendoscopic single-site (LESS) nephrectomy in hemodialysis patients, we compared outcomes between LESS nephrectomy and conventional laparoendoscopic nephrectomy in hemodialysis patients with dialysis-related renal tumors. MATERIAL AND METHODS: A total of 16 hemodialysis patients who underwent LESS nephrectomy (LESS-N; n = 8) or conventional laparoendoscopic nephrectomy (C-N; n = 8) between November 2003 and July 2012 were retrospectively evaluated...
June 12, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/28599905/potential-of-new-generation-double-layer-micromesh-stent-for-carotid-artery-stenting-in-patients-with-unstable-plaque-%C3%A2-a-preliminary-result-using-ofdi-analysis-%C3%A2
#12
Kiyofumi Yamada, Shinichi Yoshimura, Masatomo Miura, Takuya Kanamaru, Seigo Shindo, Kazutaka Uchida, Manabu Shirakawa, Masahiko Shibuya, Takahiro Imanaka, Masaharu Ishihara, Tohru Masuyama, Reiichi Ishikura, Masanori Kawasaki
BACKGROUND: One of the disadvantages of carotid artery stenting (CAS) is high incidence of distal embolism (DE) during or after the procedure. It has been reported that unstable plaque cases are at high risk of DE and plaque protrusion (PP) after stent placement which will become a cause of post procedural ischemic complications. OBJECTIVE: The purpose of this study was to compare the rate and size of PP between CASPER stent which is a new generation double-layer micromesh stent and conventional stents detected by optical frequency domain imaging (OFDI) and to evaluate the efficacy of CAS with CASPER stent for cases with unstable plaque...
June 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28585700/evaluation-of-the-treatment-strategies-for-medication-related-osteonecrosis-of-the-jaws-mronj-and-the-factors-affecting-treatment-outcome-a-multicenter-retrospective-study-with-propensity-score-matching-analysis
#13
Saki Hayashida, Sakiko Soutome, Souichi Yanamoto, Shigeyuki Fujita, Takumi Hasegawa, Takahide Komori, Yuka Kojima, Hironori Miyamoto, Yasuyuki Shibuya, Nobuhiro Ueda, Tadaaki Kirita, Hirokazu Nakahara, Mitsuyo Shinohara, Masahiro Umeda
Medication-related osteonecrosis of the jaw (MRONJ) is an adverse event which may inhibit the treatment of primary disease and remarkably influence the patient's quality of life. The treatment methods for MRONJ, nonsurgical and surgical, are controversial, with no agreement as to which method provides the best outcome and should therefore be recommended. This multicenter retrospective study aimed to investigate the treatment methods and outcome in a large number of patients with MRONJ in Japan, utilizing propensity score matching analysis...
June 6, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28581039/efficacy-of-cytapheresis-for-remission-induction-and-dermatological-manifestations-of-ulcerative-colitis
#14
Osamu Nomura, Taro Osada, Tomoyoshi Shibuya, Dai Ishikawa, Keiichi Haga, Tomohiro Kodani, Naoto Sakamoto, Tatsuo Ogihara, Ken Yamaji, Sumio Watanabe
BACKGROUND: In ulcerative colitis (UC) patients, cytapheresis depletes elevated and activated leucocytes, which are known to release inflammatory cytokines including tumor necrosis factor (TNF)-α. Further, there are UC patients who develop erythema nodosum (EN) or pyoderma gangrenosum (PG) as extra-intestinal manifestations of UC. METHODS: Between 2008 and 2015, 181 consecutive patients with active UC received cytapheresis with either a granulocyte and monocyte apheresis (GMA) column or with a leucocyte removal filter (LCAP) as remission induction therapy...
June 5, 2017: Journal of Clinical Apheresis
https://www.readbyqxmd.com/read/28557190/utility-of-the-maximum-standardized-uptake-value-on-positron-emission-tomography-for-predicting-therapeutic-effect-in-recurrent-gynecological-malignancies-%C3%A2-a-preliminary-study
#15
Hironori Matsumoto, Yoichi Kobayashi, Kei Dozono, Yoshiko Nishigaya, Hiromi Shibuya, Mai Momomura, Mitshutoshi Iwashita
AIM: The maximum standardized uptake value (SUVmax) of primary tumors in positron emission tomography can be used to predict prognosis in various cancers, but its significance in recurrent tumors remains unclear. In the present study, we evaluated the utility of the SUVmax for predicting therapeutic effects in recurrent gynecological malignancies. METHODS: From February 2012 to July 2014, patients with recurrent gynecological cancer who were treated with chemotherapy or radiotherapy were enrolled in this study...
May 29, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28540189/laparoscopic-cholecystectomy-in-a-child-using-slender-forceps
#16
Kazuaki Shibuya, Hideki Kawamura, Munenorix Tahara, Masahiro Takahashi, Akinobu Taketomi
Laparoscopic procedures in children are technically demanding because of reduced working space with careful monitoring of pneumoperitoneum pressure. We report a case of laparoscopic cholecystectomy performed in a 9-year-old boy using slender forceps which addressed all the above mentioned concerns. This shows a possibility of needlescopic surgery in children.
May 2017: APSP Journal of Case Reports
https://www.readbyqxmd.com/read/28531867/the-efficacy-of-steroids-for-postoperative-persistent-inflammatory-reaction-in-a-patient-with-barium-peritonitis-a-case-report
#17
Hirofumi Kojima, Shozo Hojo, Takahiro Manabe, Shiori Demura, Shinichi Sekine, Kazuto Shibuya, Isaya Hashimoto, Isaku Yoshioka, Tomoyuki Okumura, Takuya Nagata, Tsutomu Fujii
INTRODUCTION: Barium peritonitis is a serious and life-threatening disease requiring intensive care. Residual barium in the intraperitoneal cavity can cause persistent inflammation, postoperatively. PRESENTATION OF CASE: An 80-year-old woman was admitted to our hospital because of abdominal pain and vomiting after barium meal examination. Physical and radiographic examination showed sigmoid colon perforation. Barium sulfate extravasation was noted in the intraperitoneal cavity...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28502964/primary-volvulus-of-the-small-intestine-exhibiting-chylous-ascites-a-case-report
#18
Tamuro Hayama, Takeshi Shioya, Meishi Hankyo, Takao Shimizu, Hajime Shibuya, Osamu Komine, Yoshimasa Watanabe, Kotaro Nanbu, Taro Yamada
BACKGROUND: Primary volvulus of the small intestine associated with chylous ascites is very rare, with only four reported cases. In this paper, we report a new case of primary volvulus associated with chylous ascites. CASE PRESENTATION: The patient was a 70-year-old man. After experiencing bloating and abdominal pain for several hours, he called an ambulance and underwent an emergency examination at our hospital. Abdominal distension, pressure pain, and rebound tenderness were observed throughout his entire abdomen...
2017: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/28498033/development-and-characterization-of-novel-monoclonal-antibodies-against-human-dnam-1
#19
Genki Okumura, Fumie Abe, Rei Hirochika, Akira Shibuya, Kazuko Shibuya
DNAM-1 (CD226) is an activating immunoreceptor expressed on lymphocytes and myeloid cells. CD155 and CD112 are the ligands for DNAM-1. DNAM-1 plays an important role in tumor immunity mediated by CD8(+) T cells and NK cells. Moreover, the interaction of DNAM-1 with the ligands contributed to the development of acute graft versus host disease (GVHD) and treatment with anti-DNAM-1 monoclonal antibodies (mAb) dramatically improved acute GVHD in a mouse model, suggesting that DNAM-1 may be a good molecular target for therapy to acute GVHD in human...
June 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28486761/panitumumab-interaction-with-tas-102-leads-to-combinational-anticancer-effects-via-blocking-of-egfr-mediated-tumor-response-to-trifluridine
#20
Yuji Baba, Toshiya Tamura, Yoshihiko Satoh, Masamitsu Gotou, Hiroshi Sawada, Shunsuke Ebara, Kazunori Shibuya, Jumpei Soeda, Kazuhide Nakamura
Panitumumab is a monoclonal antibody developed against the human epidermal growth factor receptor (EGFR). TAS-102 is a novel chemotherapeutic agent containing trifluridine (FTD) as the active cytotoxic component. Both panitumumab and TAS-102 have been approved for the treatment of metastatic colorectal cancer. In this study, we revealed the mechanism underlying the anticancer effects of panitumumab/TAS-102 combination using preclinical models. Panitumumab/FTD co-treatment showed additive antiproliferative effects in LIM1215 and synergistic antiproliferative effects in SW48 colon cancer cells...
May 9, 2017: Molecular Oncology
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