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https://www.readbyqxmd.com/read/29763424/prevalence-of-primary-sj%C3%A3-gren-s-syndrome-in-patients-undergoing-evaluation-for-pulmonary-arterial-hypertension
#1
Tatsuyuki Sato, Masaru Hatano, Yukiko Iwasaki, Hisataka Maki, Akihito Saito, Shun Minatsuki, Toshiro Inaba, Eisuke Amiya, Keishi Fujio, Masafumi Watanabe, Kazuhiko Yamamoto, Issei Komuro
BACKGROUND: The prevalence of pulmonary arterial hypertension (PAH) in primary Sjögren's syndrome (SS) had been reported to be rare. However, recent studies using echocardiography as a screening method showed conflicting results, and the true prevalence is still unclear. Since diagnosing primary SS is difficult because of its heterogeneous nature, a number of patients with primary-SS-associated PAH may be misdiagnosed with idiopathic PAH, losing their chance to undergo immunosuppressive therapy...
2018: PloS One
https://www.readbyqxmd.com/read/29680515/safety-and-efficacy-of-once-daily-intravenous-busulfan-in-allogeneic-transplantation-a-matched-pair-analysis
#2
Shinichi Kako, Shinichiro Fujiwara, Miki Sato, Shun-Ichi Kimura, Hideki Nakasone, Kazuteru Ohashi, Toshiro Kawakita, Tetsuo Maeda, Takanobu Morishita, Ritsuro Suzuki, Takahiro Fukuda, Tatsuo Ichinohe, Mio Kurata, Yoshiko Atsuta, Yoshinobu Kanda
Compared with 4-times-daily infusion of intravenous busulfan (ivBU4), the safety and efficacy of once-daily infusion of ivBU (ivBU1) has not been fully clarified. We have been routinely using ivBU1 in a conditioning regimen in adult patients with myeloid malignancy who undergo allogeneic hematopoietic stem cell transplantation. In this study, a total of 91 patients who received ivBU1 for 2 days (n = 18) or 4 days (n = 73) in our institutions were compared with 273 control patients who received ivBU4, who were matched for age, sex, performance status, disease risk, conditioning regimen, and donor type, selected from the database of the Japanese Society for Hematopoietic Cell Transplantation using optimal matching algorithms...
April 19, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29651572/antiproteinuric-effects-of-renin-angiotensin-inhibitors-in-lung-cancer-patients-receiving-bevacizumab
#3
Satoru Nihei, Junya Sato, Toshiyuki Harada, Shoichi Kuyama, Toshiro Suzuki, Nobutsugu Waga, Yoshitaka Saito, Shigeki Kisara, Atsuko Yokota, Kouji Okada, Masami Tsuchiya, Kazufumi Terui, Yumiko Tadokoro, Takeshi Chiba, Kenzo Kudo, Satoshi Oizumi, Akira Inoue, Naoto Morikawa
PURPOSE: The objective of this study was to investigate the effect of renin-angiotensin system inhibitors (RASIs) on bevacizumab (BV)-induced proteinuria in non-small cell lung cancer (NSCLC) patients. MATERIALS AND METHODS: We retrospectively reviewed the medical records of NSCLC patients receiving BV between 2008 and 2014 at 11 hospitals. The patients were categorized into three groups according to their antihypertensive drug use: RASI user, non-RASI user, and non-user groups...
April 12, 2018: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29590641/gastroenteropancreatic-neuroendocrine-neoplasms-genes-therapies-and-models
#4
REVIEW
Kenta Kawasaki, Masayuki Fujii, Toshiro Sato
Gastroenteropancreatic neuroendocrine neoplasms (GEP-NENs) refer to a group of heterogeneous cancers of neuroendocrine cell phenotype that mainly fall into one of two subtypes: gastroenteropancreatic neuroendocrine tumors (GEP-NETs; well differentiated) or gastroenteropancreatic neuroendocrine carcinomas (GEP-NECs; poorly differentiated). Although originally defined as orphan cancers, their steadily increasing incidence highlights the need to better understand their etiology. Accumulating epidemiological and clinical data have shed light on the pathological characteristics of these diseases...
February 26, 2018: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/29555391/antimicrobial-susceptibility-of-common-pathogens-isolated-from-postoperative-intra-abdominal-infections-in-japan
#5
Yoshio Takesue, Shinya Kusachi, Hiroshige Mikamo, Junko Sato, Akira Watanabe, Hiroshi Kiyota, Satoshi Iwata, Mitsuo Kaku, Hideaki Hanaki, Yoshinobu Sumiyama, Yuko Kitagawa, Kazuhiko Nakajima, Takashi Ueda, Motoi Uchino, Toru Mizuguchi, Yoshiyasu Ambo, Masafumi Konosu, Keiichiro Ishibashi, Akihisa Matsuda, Kazuo Hase, Yasushi Harihara, Koji Okabayashi, Shiko Seki, Takuo Hara, Koshi Matsui, Yoichi Matsuo, Minako Kobayashi, Shoji Kubo, Kazuhisa Uchiyama, Junzo Shimizu, Ryohei Kawabata, Hiroki Ohge, Shinji Akagi, Masaaki Oka, Toshiro Wakatsuki, Katsunori Suzuki, Kohji Okamoto, Katsunori Yanagihara
The principle of empirical therapy for patients with intra-abdominal infections (IAI) should include antibiotics with activity against Enterobacteriaceae and Bacteroides fragilis group species. Coverage of Pseudomonas aeruginosa, Enterobacter cloacae, and Enterococcus faecalis is also recommended for hospital-associated IAI. A nationwide survey was conducted to investigate the antimicrobial susceptibility of pathogens isolated from postoperative IAI. All 504 isolates were collected at 26 institutions and referred to a central laboratory for susceptibility testing...
May 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29539434/expansion-of-adult-human-pancreatic-tissue-yields-organoids-harboring-progenitor-cells-with-endocrine-differentiation-potential
#6
Cindy J M Loomans, Nerys Williams Giuliani, Jeetindra Balak, Femke Ringnalda, Léon van Gurp, Meritxell Huch, Sylvia F Boj, Toshiro Sato, Lennart Kester, Susana M Chuva de Sousa Lopes, Matthias S Roost, Susan Bonner-Weir, Marten A Engelse, Ton J Rabelink, Harry Heimberg, Robert G J Vries, Alexander van Oudenaarden, Françoise Carlotti, Hans Clevers, Eelco J P de Koning
Generating an unlimited source of human insulin-producing cells is a prerequisite to advance β cell replacement therapy for diabetes. Here, we describe a 3D culture system that supports the expansion of adult human pancreatic tissue and the generation of a cell subpopulation with progenitor characteristics. These cells display high aldehyde dehydrogenase activity (ALDHhi ), express pancreatic progenitors markers (PDX1, PTF1A, CPA1, and MYC), and can form new organoids in contrast to ALDHlo cells. Interestingly, gene expression profiling revealed that ALDHhi cells are closer to human fetal pancreatic tissue compared with adult pancreatic tissue...
March 13, 2018: Stem Cell Reports
https://www.readbyqxmd.com/read/29507328/in-vivo-imaging-of-t-cell-lymphoma-infiltration-process-at-the-colon
#7
Yoshibumi Ueda, Toshiyuki Ishiwata, Seiichi Shinji, Tomio Arai, Yoko Matsuda, Junko Aida, Naotoshi Sugimoto, Toshiro Okazaki, Junichi Kikuta, Masaru Ishii, Moritoshi Sato
The infiltration and proliferation of cancer cells in the secondary organs are of great interest, since they contribute to cancer metastasis. However, cancer cell dynamics in the secondary organs have not been elucidated at single-cell resolution. In the present study, we established an in vivo model using two-photon microscopy to observe how infiltrating cancer cells form assemblages from single T-cell lymphomas, EL4 cells, in the secondary organs. Using this model, after inoculation of EL4 cells in mice, we discovered that single EL4 cells infiltrated into the colon...
March 5, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29434290/induction-of-differentiation-of-intrahepatic-cholangiocarcinoma-cells-to-functional-hepatocytes-using-an-organoid-culture-system
#8
Yoshimasa Saito, Toshiaki Nakaoka, Toshihide Muramatsu, Hidenori Ojima, Aoi Sukeda, Yuko Sugiyama, Ryoei Uchida, Ryo Furukawa, Aya Kitahara, Toshiro Sato, Yae Kanai, Hidetsugu Saito
Intrahepatic cholangiocarcinoma (IHCC) is a highly aggressive malignancy with a poor prognosis. It is thought to originate from cholangiocytes, which are the component cells of intrahepatic bile ducts. However, as patients with viral hepatitis often develop IHCC, it has been suggested that transformed hepatocytes may play a role in IHCC development. To investigate whether IHCC cells can be converted to functional hepatocytes, we established organoids derived from human IHCC and cultured them under conditions suitable for hepatocyte differentiation...
February 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29339448/development-of-intestinal-m-cells-and-follicle-associated-epithelium-is-regulated-by-traf6-mediated-nf-%C3%AE%C2%BAb-signaling
#9
Takashi Kanaya, Sayuri Sakakibara, Toshi Jinnohara, Masami Hachisuka, Naoko Tachibana, Shinya Hidano, Takashi Kobayashi, Shunsuke Kimura, Toshihiko Iwanaga, Tomoo Nakagawa, Tatsuro Katsuno, Naoya Kato, Taishin Akiyama, Toshiro Sato, Ifor R Williams, Hiroshi Ohno
M cells are located in the follicle-associated epithelium (FAE) that covers Peyer's patches (PPs) and are responsible for the uptake of intestinal antigens. The differentiation of M cells is initiated by receptor activator of NF-κB. However, the intracellular pathways involved in M cell differentiation are still elusive. In this study, we demonstrate that the NF-κB pathway activated by RANK is essential for M cell differentiation using in vitro organoid culture. Overexpression of NF-κB transcription factors enhances the expression of M cell-associated molecules but is not sufficient to complete M cell differentiation...
February 5, 2018: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29337182/human-pancreatic-tumor-organoids-reveal-loss-of-stem-cell-niche-factor-dependence-during-disease-progression
#10
Takashi Seino, Shintaro Kawasaki, Mariko Shimokawa, Hiroki Tamagawa, Kohta Toshimitsu, Masayuki Fujii, Yuki Ohta, Mami Matano, Kosaku Nanki, Kenta Kawasaki, Sirirat Takahashi, Shinya Sugimoto, Eisuke Iwasaki, Junichi Takagi, Takao Itoi, Minoru Kitago, Yuko Kitagawa, Takanori Kanai, Toshiro Sato
Despite recent efforts to dissect the inter-tumor heterogeneity of pancreatic ductal adenocarcinoma (PDAC) by determining prognosis-predictive gene expression signatures for specific subtypes, their functional differences remain elusive. Here, we established a pancreatic tumor organoid library encompassing 39 patient-derived PDACs and identified 3 functional subtypes based on their stem cell niche factor dependencies on Wnt and R-spondin. A Wnt-non-producing subtype required Wnt from cancer-associated fibroblasts, whereas a Wnt-producing subtype autonomously secreted Wnt ligands and an R-spondin-independent subtype grew in the absence of Wnt and R-spondin...
March 1, 2018: Cell Stem Cell
https://www.readbyqxmd.com/read/29290616/reconstruction-of-the-human-colon-epithelium-in-vivo
#11
Shinya Sugimoto, Yuki Ohta, Masayuki Fujii, Mami Matano, Mariko Shimokawa, Kosaku Nanki, Shoichi Date, Shingo Nishikori, Yoshihiro Nakazato, Tetsuya Nakamura, Takanori Kanai, Toshiro Sato
Genetic lineage tracing has revealed that Lgr5+ murine colon stem cells (CoSCs) rapidly proliferate at the crypt bottom. However, the spatiotemporal dynamics of human CoSCs in vivo have remained experimentally intractable. Here we established an orthotopic xenograft system for normal human colon organoids, enabling stable reconstruction of the human colon epithelium in vivo. Xenografted organoids were prone to displacement by the remaining murine crypts, and this could be overcome by complete removal of the mouse epithelium...
February 1, 2018: Cell Stem Cell
https://www.readbyqxmd.com/read/29212132/urological-laparoendoscopic-single-site-and-reduced-port-surgery-a-nationwide-survey-in-japan
#12
Mitsuhiro Narita, Susumu Kageyama, Takatsugu Okegawa, Hidefumi Kinoshita, Fuminori Sato, Ken Nakagawa, Tomonori Habuchi, Akio Hoshi, Akio Matsubara, Koji Yoshimura, Toshiro Terachi, Hiromitsu Mimata, Akihiro Kawauchi
OBJECTIVES: To evaluate the current status of urological laparoendoscopic single-site and reduced port surgery in Japan. METHODS: Of the 152 institutions to which councilors of the Japanese Society of Endourology belong, 42 (28%) have carried out laparoendoscopic single-site and reduced port surgery. A total of 32 of these institutions agreed to participate in this survey. Patients who had undergone surgery between January 2008 and March 2014 were included in the present study...
December 6, 2017: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/29204508/advancing-intestinal-organoid-technology-toward-regenerative-medicine
#13
REVIEW
Tetsuya Nakamura, Toshiro Sato
With the emergence of technologies to culture intestinal epithelial cells in vitro as various forms of intestinal organoids, there is growing interest in using such cultured intestinal cells as a source for tissue engineering and regenerative medicine. One such approach would be to combine the organoid technology with methodologies to engineer the culture environment, particularly the three-dimensional scaffold materials, to generate intestines that exquisitely recapitulate their original structures and functions...
2018: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29198428/corrigendum-to-antimicrobial-susceptibility-of-pathogens-isolated-from-surgical-site-infections-in-japan-comparison-of-data-from-nationwide-surveillance-studies-conducted-in-2010-and-2014-2015-j-infect-chemother-23-2017-339-348
#14
Yoshio Takesue, Shinya Kusachi, Hiroshige Mikamo, Junko Sato, Akira Watanabe, Hiroshi Kiyota, Satoshi Iwata, Mitsuo Kaku, Hideaki Hanaki, Yoshinobu Sumiyama, Yuko Kitagawa, Toru Mizuguchi, Yoshiyasu Ambo, Masafumi Konosu, Keiichiro Ishibashi, Akihisa Matsuda, Kazuo Hase, Yasushi Harihara, Koji Okabayashi, Shiko Seki, Takuo Hara, Koshi Matsui, Yoichi Matsuo, Minako Kobayashi, Shoji Kubo, Kazuhisa Uchiyama, Junzo Shimizu, Ryohei Kawabata, Hiroki Ohge, Shinji Akagi, Masaaki Oka, Toshiro Wakatsuki, Katsunori Suzuki, Kohji Okamoto, Katsunori Yanagihara
No abstract text is available yet for this article.
February 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29155949/pseudoaneurysm-rupture-after-acute-type-a-dissection-repair-possible-reaction-to-bioglue
#15
Toshiro Kobayashi, Hiroshi Kurazumi, Masafumi Sato, Hidenori Gohra
A 45-year-old man with acute Type A aortic dissection underwent the ascending aorta replacement with BioGlue (CryoLife Europa, Guildford, Surrey, UK) for anastomotic reinforcement. Postoperatively, he developed descending aortic dilation, a giant mediastinal cyst, Henoch-Schonlein purpura and an anastomotic-site pseudoaneurysm rupture. A BioGlue-induced inflammatory reaction was likely, according to a positive patch test (delayed allergic reaction).
February 1, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29069492/lectin-zg16p-inhibits-proliferation-of-human-colorectal-cancer-cells-via-its-carbohydrate-binding-sites
#16
Akiko Mito, Yukiko Nakano, Takako Saitoh, Sabine S S Gouraud, Yoshiki Yamaguchi, Toshiro Sato, Nobuo Sasaki, Kyoko Kojima-Aikawa
Zymogen granule protein 16 (ZG16p) is a soluble lectin that binds to both mannose and heparin/heparan sulfate. It is highly expressed in the human digestive tract and is secreted into the mucus. In this study, we investigated the effect of ZG16p on the proliferation of human colorectal cancer cells. Overexpression of ZG16p in Caco-2 cells decreased cell growth. Recombinant ZG16p markedly inhibited proliferation of Caco-2, LS174T, HCT116 and HCT15 cells. Caco-2 cell growth was not inhibited by two mutated ZG16p proteins, D151A and M5 (K36A, R37A, R53A, R55A and R79A) lacking mannose- and heparin-binding activities, respectively...
December 1, 2018: Glycobiology
https://www.readbyqxmd.com/read/28856871/pfannenstiel-laparoendoscopic-reduced-port-bilateral-radical-nephrectomy-for-a-patient-with-renal-cell-carcinoma-undergoing-hemodialysis
#17
Takeo Nomura, Mutsushi Yamasaki, Kohei Takei, Fuminori Sato, Toshiro Terachi, Hiromitsu Mimata
We performed Pfannenstiel laparoendoscopic reduced-port bilateral radical nephrectomy on a patient with renal cell carcinoma undergoing hemodialysis. A 4-cm Pfannenstiel incision was made, and a GelPOINT access was inserted. Three trocars were placed through the access platform, and additional 5- and 3-mm trocars were inserted in the umbilicus and paraumbilical area, respectively. After left nephrectomy, right nephrectomy was successfully completed in 401 min, with an estimated blood loss of 70 mL. There were no intraoperative or postoperative complications, and the patient was discharged 10 days postoperatively...
August 30, 2017: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/28813664/intestinal-dysbiosis-and-biotin-deprivation-induce-alopecia-through-overgrowth-of-lactobacillus-murinus-in-mice
#18
Atsushi Hayashi, Yohei Mikami, Kentaro Miyamoto, Nobuhiko Kamada, Toshiro Sato, Shinta Mizuno, Makoto Naganuma, Toshiaki Teratani, Ryo Aoki, Shinji Fukuda, Wataru Suda, Masahira Hattori, Masayuki Amagai, Manabu Ohyama, Takanori Kanai
Metabolism by the gut microbiota affects host physiology beyond the gastrointestinal tract. Here, we find that antibiotic-induced dysbiosis, in particular, overgrowth of Lactobacillus murinus (L. murinus), impaired gut metabolic function and led to the development of alopecia. While deprivation of dietary biotin per se did not affect skin physiology, its simultaneous treatment with vancomycin resulted in hair loss in specific pathogen-free (SPF) mice. Vancomycin treatment induced the accumulation of L. murinus in the gut, which consumes residual biotin and depletes available biotin in the gut...
August 15, 2017: Cell Reports
https://www.readbyqxmd.com/read/28808580/the-detection-of-influenza-virus-at-the-community-pharmacy-to-improve-the-management-of-local-residents-with-influenza-or-influenza-like-disease
#19
Akio Kawachi, Yusuke Sakamoto, Shunya Mouri, Mitsuaki Fukumori, Riku Kawano, Takaya Murakami, Junichiro Sonoda, Keiko Narumi, Yoshihiro Shimodozono, Kenji Etoh, Susumu Chiyotanda, Takashi Furuie, Keizo Sato, Masao Fukumori, Toshiro Motoya
BACKGROUND: As of 2014, community pharmacies in Japan are approved by the Ministry of Health, Labour and Welfare to measure lipid panel, HbA1c, glucose, ALT, AST and γ-GTP, but not to screen for influenza virus. We provided influenza virus screening tests at a community pharmacy to triage people with symptoms suggestive of influenza. Participants were given appropriate advice on how to prevent the spread of and safeguard against influenza. We subsequently evaluated the effects of community pharmacy-based influenza virus screening and prevention measures...
2017: Journal of Pharmaceutical Health Care and Sciences
https://www.readbyqxmd.com/read/28720124/defining-the-role-of-lgr5-stem-cells-in-colorectal-cancer-from-basic-research-to-clinical-applications
#20
REVIEW
Masayuki Fujii, Toshiro Sato
Intestinal epithelium is structured by two distinct components: the villi and the crypts. The crypts harbor stem cells expressing Lgr5 and thus have been a representative model to study tissue stem cell functions. Recent advances in organoid technology and analytical modalities have enabled precise characterization of Lgr5(+) intestinal stem cells, providing insights into their roles in homeostasis and cancer.
July 18, 2017: Genome Medicine
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