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https://www.readbyqxmd.com/read/28108519/survival-of-acute-monocytic-leukemia-cells-is-driven-by-fatty-acid-oxidation-mediated-activation-of-ampk-in-bone-marrow-adipocytes
#1
Yoko Tabe, Shinichi Yamamoto, Kaori Saitoh, Kazumasa Sekihara, Norikazu Monma, Kazuho Ikeo, Kaoru Mogushi, Masato Shikami, Vivian R Ruvolo, Jo Ishizawa, Numsen Hail, Saiko Kazuno, Mamoru Igarashi, Hiromichi Matsushita, Yasunari Yamanaka, Hajime Arai, Isao Nagaoka, Takashi Miida, Yoshihide Hayashizaki, Marina Konopleva, Michael Andreeff
Leukemia cells in the bone marrow (BM) must meet the biochemical demands of increased cell proliferation by continually adapting to fluctuations in nutrient and oxygen availability. Thus, targeting metabolic abnormalities in leukemia cells located in the BM may provide an effective therapeutic strategy. In this study, we report the discovery of a metabolic role for BM adipocytes in supporting the growth of leukemic blasts. Preventing nutrient starvation-induced apoptosis of leukemic cells by BM adipocytes, as well as the metabolic and molecular mechanisms involved in this process, were investigated using various analytical techniques...
January 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28104121/liver-failure-from-ultra-short-bowel-syndrome-on-the-intestinal-transplant-waiting-list-a-retrospective-study
#2
Y Noguchi, T Ueno, R Matsuura, T Kodama, K Deguchi, S Umeda, T Yamamichi, K Nakahata, M Zenitani, Y Takama, H Yamanaka, Y Tazuke, H Okuyama
BACKGROUND: Patients with intestinal failure (IF) are candidates for intestinal transplantation (ITx). In Japan, these patients have few opportunities to undergo cadaveric ITx because of low rates of organ donation. The donor criteria and recipient priority for ITx are still unknown. We reviewed our cases of IF to investigate which patients should be prioritized for ITx. METHODS: Patients with IF who were registered as candidates for cadaveric ITx between January 2010 and November 2015 in our institute were included in this retrospective study...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28103577/association-of-rab5-overexpression-in-pancreatic-cancer-with-cancer-progression-and-poor-prognosis-via-e-cadherin-suppression
#3
Takamichi Igarashi, Kenichiro Araki, Takehiko Yokobori, Bolag Altan, Takahiro Yamanaka, Norihiro Ishii, Mariko Tsukagoshi, Akira Watanabe, Norio Kubo, Tadashi Handa, Yasuo Hosouchi, Masahiko Nishiyama, Tetsunari Oyama, Ken Shirabe, Hiroyuki Kuwano
Pancreatic cancer is a common type of cancer with poor prognosis worldwide. Postoperative survival depends on the existence of metastasis. Elucidation of the mechanism underlying cancer progression is important to improve prognosis. The RAS-associated protein RAB5 activates intracellular membrane trafficking, and RAB5 expression is correlated to progression and epithelial mesenchymal transition in various cancers.The expression of RAB5 and E-cadherin in 111 pancreatic cancer samples was investigated by immunohistochemical staining, and the relationship among RAB5 expression, clinicopathological factors, and E-cadherin expression was assessed...
January 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28099253/smoking-status-and-the-incidence-of-pancreatic-cancer-concomitant-with-intraductal-papillary-mucinous-neoplasm
#4
Takashi Nakagawa, Atsuhiro Masuda, Hirochika Toyama, Hideyuki Shiomi, Yoh Zen, Keitaro Sofue, Mamoru Takenaka, Takashi Kobayashi, Yosuke Yagi, Kodai Yamanaka, Masaru Yoshida, Yoshifumi Arisaka, Yoshihiro Okabe, Hiromu Kutsumi, Takumi Fukumoto, Yonson Ku, Takeshi Azuma
OBJECTIVES: The effect of smoking status on the incidence of pancreatic ductal adenocarcinoma (PDAC) concomitant with intraductal papillary mucinous neoplasm (IPMN) has not been clarified. This study investigated the association of smoking status with PDAC concomitant with IPMN. METHODS: The subjects were 124 consecutive patients undergoing resection of IPMNs (intraductal papillary mucinous adenoma (IPMA): N = 77, invasive IPMN: N = 31, and PDAC with IPMN: N = 16) between April 2008 and October 2015...
January 18, 2017: Pancreas
https://www.readbyqxmd.com/read/28097774/structural-and-functional-insights-into-thermally-stable-cytochrome-c-from-a-thermophile
#5
Sotaro Fujii, Hiroya Oki, Kazuki Kawahara, Daisuke Yamane, Masaru Yamanaka, Takahiro Maruno, Yuji Kobayashi, Misa Masanari, Satoshi Wakai, Hirofumi Nishihara, Tadayasu Ohkubo, Yoshihiro Sambongi
Thermophilic Hydrogenophilus thermoluteolus cytochrome c' (PHCP) exhibits higher thermal stability than a mesophilic counterpart, Allochromatium vinosum cytochrome c' (AVCP), which has a homo-dimeric structure and ligand-binding ability. To understand the thermal stability mechanism and ligand-binding ability of the thermally stable PHCP protein, the crystal structure of PHCP was first determined. It formed a homo-dimeric structure, the main chain root mean square deviation (rmsd) value between PHCP and AVCP being 0...
January 18, 2017: Protein Science: a Publication of the Protein Society
https://www.readbyqxmd.com/read/28095739/expression-and-localization-of-fibroblast-growth-factor-fgf-23-and-klotho-in-the-spleen-its-physiological-and-functional-implications
#6
Yuri Nakashima, Toru Mima, Mitsuru Yashiro, Tomohiro Sonou, Masaki Ohya, Asuka Masumoto, Shintaro Yamanaka, Daisuke Koreeda, Koichi Tatsuta, Yoshiyuki Hanba, Mari Moribata, Shigeo Negi, Takashi Shigematsu
The FGF23-Klotho signaling axis is known to exert anti-aging effects via calcium-phosphorus metabolism. In mice deficient in FGF23-Klotho signaling, however, the number of splenocytes is reduced. FGF23 is expressed in both bone and spleen, with regulation of its production differing in these organs. As FGF23-Klotho signaling may play an immunological role in the spleen, splenocytes in male C57BL/6J mice were assayed for expression of Klotho or FGF23 by flow cytometry and immunohistochemistry. Cells that expressed Klotho included CD45R/B220(+) CD21/CD35(+) CD1d(+) CD43(-) marginal zone B cells...
January 18, 2017: Growth Factors
https://www.readbyqxmd.com/read/28070876/pulmonary-artery-sarcoma-resected-via-median-sternotomy-with-thoracoscopic-assistance
#7
Hiromichi Katakura, Yojiro Yutaka, Kenichi Takahashi, Tsuyoshi Shoji, Akira Yamanaka, Mitsuru Kitano
Median sternotomy is frequently selected for the resection of pulmonary artery tumor, and pneumonectomy is performed for complete resection. However, it is difficult to see the inferior pulmonary vein and transect it safely via median sternotomy, so additional thoracotomy is often required and this is highly invasive. In the present case, we employed thoracoscopy (which we routinely use for VATS lobectomy) to transect the inferior pulmonary vein via median sternotomy without additional intercostal thoracotomy...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28060892/the-utility-of-post-void-residual-volume-versus-sphincter-electromyography-to-distinguish-between-multiple-system-atrophy-and-parkinson-s-disease
#8
Tatsuya Yamamoto, Masato Asahina, Yoshitaka Yamanaka, Tomoyuki Uchiyama, Shigeki Hirano, Miki Fuse, Yasuko Koga, Ryuji Sakakibara, Satoshi Kuwabara
OBJECTIVE: To determine the ability of sphincter electromyography (EMG) and post-void residual urine volume (PVR) during a free-flow study and a pressure-flow study (PFS) for distinguishing multiple system atrophy (MSA) from Parkinson's disease (PD). METHODS: We retrospectively reviewed 241 case records; both urodynamic study and sphincter EMG were performed in patients with MSA (n = 147) and PD (n = 94). RESULTS: There was a statistically significant difference (p < 0...
2017: PloS One
https://www.readbyqxmd.com/read/28060824/chronological-profiling-of-plasma-native-peptides-after-hepatectomy-in-pigs-toward-the-discovery-of-human-biomarkers-for-liver-regeneration
#9
Kohta Iguchi, Etsuro Hatano, Takashi Nirasawa, Noriyuki Iwasaki, Motohiko Sato, Gen Yamamoto, Kenya Yamanaka, Tatsuya Okamoto, Yosuke Kasai, Naohiko Nakamura, Hiroaki Fuji, Tomohito Sakai, Nobuto Kakuda, Satoru Seo, Kojiro Taura, Kei Tashiro, Shinji Uemoto, Masaya Ikegawa
Liver regeneration after partial hepatectomy (PHx) is a time-dependent process, which is tightly regulated by multiple signaling cascades. Failure of this complex process leads to posthepatectomy liver failure (PHLF), which is associated with a high rate of mortality. Thus, it is extremely important to establish a useful biomarker of liver regeneration to help prevent PHLF. Here, we hypothesized that alterations in the plasma peptide profile may predict liver regeneration following PHx and hence we set up a diagnostic platform for monitoring posthepatectomy outcome...
2017: PloS One
https://www.readbyqxmd.com/read/28057013/immunochemical-characterization-on-pathological-oligomers-of-mutant-cu-zn-superoxide-dismutase-in-amyotrophic-lateral-sclerosis
#10
Eiichi Tokuda, Itsuki Anzai, Takao Nomura, Keisuke Toichi, Masahiko Watanabe, Shinji Ohara, Seiji Watanabe, Koji Yamanaka, Yuta Morisaki, Hidemi Misawa, Yoshiaki Furukawa
BACKGROUND: Dominant mutations in Cu/Zn-superoxide dismutase (SOD1) gene cause a familial form of amyotrophic lateral sclerosis (SOD1-ALS) with accumulation of misfolded SOD1 proteins as intracellular inclusions in spinal motor neurons. Oligomerization of SOD1 via abnormal disulfide crosslinks has been proposed as one of the misfolding pathways occurring in mutant SOD1; however, the pathological relevance of such oligomerization in the SOD1-ALS cases still remains obscure. METHODS: We prepared antibodies exclusively recognizing the SOD1 oligomers cross-linked via disulfide bonds in vitro...
January 5, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28054786/total-synthesis-of-pyrrole-imidazole-alkaloid-cylindradine-b
#11
Makoto Iwata, Yuko Kamijoh, Eri Yamamoto, Masahiro Yamanaka, Kazuo Nagasawa
Cylindradines A and B are members of the oroidin-derived pyrrole-imidazole alkaloid (PIA) family. They possess a characteristic pyrrole-3-carbamoyl moiety, which is unusual among PIAs. We achieved a total synthesis of (+)-cylindradine B by applying a Pictet-Spengler-type reaction followed by oxidative cyclization in the presence of hypervalent iodine to construct the pyrrole-3-carbamoyl and cyclic guanidine with N,N'-aminal moieties at C6 and C10.
January 5, 2017: Organic Letters
https://www.readbyqxmd.com/read/28054141/indications-for-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy-in-elderly-patients-with-peritoneal-malignancy
#12
Toshiyuki Kitai, Kenya Yamanaka, Yuya Miyauchi, Masahiro Kawashima
PURPOSE: A combination of cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS + HIPEC) is effective for some peritoneal malignancies. However, the indications for elderly patients remain unclear, with substantial postoperative morbidity and mortality being problematic. MATERIALS: Clinical data were analyzed in 42 patients undergoing CRS + HIPEC for peritoneal malignancy. The primary tumor was located in the appendix in 32 cases and elsewhere in 10 cases...
January 4, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28051178/muscle-specific-deletion-of-bdk-amplifies-loss-of-myofibrillar-protein-during-protein-undernutrition
#13
Takuya Ishikawa, Yasuyuki Kitaura, Yoshihiro Kadota, Yukako Morishita, Miki Ota, Fumiya Yamanaka, Minjun Xu, Masahito Ikawa, Naokazu Inoue, Fuminori Kawano, Naoya Nakai, Taro Murakami, Shinji Miura, Yukino Hatazawa, Yasutomi Kamei, Yoshiharu Shimomura
Branched-chain amino acids (BCAAs) are essential amino acids for mammals and play key roles in the regulation of protein metabolism. However, the effect of BCAA deficiency on protein metabolism in skeletal muscle in vivo remains unclear. Here we generated mice with lower BCAA concentrations by specifically accelerating BCAA catabolism in skeletal muscle and heart (BDK-mKO mice). The mice appeared to be healthy without any obvious defects when fed a protein-rich diet; however, bolus ingestion of BCAAs showed that mTORC1 sensitivity in skeletal muscle was enhanced in BDK-mKO mice compared to the corresponding control mice...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28050644/difference-in-nacl-tolerance-of-membrane-bound-5-nucleotidases-purified-from-deep-sea-and-brackish-water-shewanella-species
#14
Taka-Aki Kuribayashi, Sotaro Fujii, Misa Masanari, Masaru Yamanaka, Satoshi Wakai, Yoshihiro Sambongi
Shewanella species are widely distributed in sea, brackish, and fresh water areas, growing psychrophilically or mesophilically, and piezophilically or piezo-sensitively. Here, membrane-bound 5'-nucleotidases (NTases) from deep-sea Shewanella violacea and brackish water Shewanella amazonensis were examined from the aspect of NaCl tolerance to gain an insight into protein stability against salt. Both NTases were single polypeptides with molecular masses of ~59 kDa, as determined on mass spectroscopy. They similarly required 10 mM MgCl2 for their activities, and they exhibited the same pH dependency and substrate specificity for 5'-nucleotides...
January 3, 2017: Extremophiles: Life Under Extreme Conditions
https://www.readbyqxmd.com/read/28046752/su-f-i-24-feasibility-of-magnetic-susceptibility-to-relative-electron-density-conversion-method-for-radiation-therapy
#15
K Ito, N Kadoya, M Chiba, K Sato, T Nagasaka, K Yamanaka, S Dobashi, K Takeda, H Matsushita, K Jingu
PURPOSE: The aim of this study is to develop radiation treatment planning using magnetic susceptibility obtained from quantitative susceptibility mapping (QSM) via MR imaging. This study demonstrates the feasibility of a method for generating a substitute for a CT image from an MRI. METHODS: The head of a healthy volunteer was scanned using a CT scanner and a 3.0 T MRI scanner. The CT imaging was performed with a slice thickness of 2.5 mm at 80 and 120 kV (dual-energy scan)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045669/long-term-outcomes-of-successful-endovascular-therapy-via-the-retrograde-approach-for-below-the-knee-chronic-total-occlusion-in-patients-with-critical-limb-ischemia-after-a-failed-antegrade-approach
#16
Junya Matsumi, Takuma Takada, Noriaki Moriyama, Tomoki Ochiai, Kazuki Tobita, Koki Shishido, Kazuya Sugitatsu, Shingo Mizuno, Futoshi Yamanaka, Masato Murakami, Yutaka Tanaka, Saeko Takahashi, Takeshi Akasaka, Shigeru Saito
OBJECTIVE: This study evaluated long-term results following successful endovascular therapy (EVT) for chronic total occlusion (CTO) below the knee (BTK) using the retrograde approach after a failed antegrade approach. METHODS: Nineteen patients (19 limbs) with critical limb ischemia (CLI) who underwent successful EVT for BTK-CTO using the retrograde approach after a failed antegrade approach during 2010-2014 were studied. RESULTS: Mean duration of the follow-up period was 25...
January 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28040440/persistent-bioresorbable-vascular-scaffold-by-optical-coherence-tomography-imaging-at-5-years
#17
Noriaki Moriyama, Koki Shishido, Kazuki Tobita, Takuma Takada, Tomoki Ochiai, Saori Tsukuda, Futoshi Yamanaka, Kazuya Sugitatsu, Shingo Mizuno, Yutaka Tanaka, Masato Murakami, Junya Matsumi, Saeko Takahashi, Takeshi Akasaka, Shigeru Saito
No abstract text is available yet for this article.
December 17, 2016: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28034856/complete-genome-sequence-of-rothia-aeria-type-strain-jcm-11412-isolated-from-air-in-the-russian-space-laboratory-mir
#18
Takayuki Nambu, Osamu Tsuzukibashi, Satoshi Uchibori, Kazuyoshi Yamane, Takeshi Yamanaka, Hugo Maruyama, Pao-Li Wang, Naho Mugita, Hiroki Morioka, Kazuya Takahashi, Yutaka Komasa, Chiho Mashimo
Here, we present the complete genome sequence of Rothia aeria type strain JCM 11412, isolated from air in the Russian space laboratory Mir. Recently, there has been an increasing number of reports on infections caused by R. aeria The genomic information will enable researchers to identify the pathogenicity of this organism.
December 29, 2016: Genome Announcements
https://www.readbyqxmd.com/read/28034855/genome-sequence-of-actinomyces-naeslundii-strain-atcc-27039-isolated-from-an-abdominal-wound-abscess
#19
Chiho Mashimo, Kazuyoshi Yamane, Takeshi Yamanaka, Hugo Maruyama, Pao-Li Wang, Satoshi Komasa, Joji Okazaki, Takayuki Nambu
Here, we present the complete genome sequence of Actinomyces naeslundii strain ATCC 27039, isolated from an abdominal wound abscess. This strain is genetically transformable and will thus provide valuable information related to its crucial role in oral multispecies biofilm development.
December 29, 2016: Genome Announcements
https://www.readbyqxmd.com/read/28030558/loss-of-trpv4-function-suppresses-inflammatory-fibrosis-induced-by-alkali-burning-mouse-corneas
#20
Yuka Okada, Kumi Shirai, Masayasu Miyajima, Peter S Reinach, Osamu Yamanaka, Takayoshi Sumioka, Masahide Kokado, Katsuo Tomoyose, Shizuya Saika
In humans suffering from pulmonary disease and a mouse model, transient receptor potential vanilloid 4 (TRPV4) channel activation contributes to fibrosis. As a corneal alkali burn induces the same response, we determined if such an effect is also attributable to TRPV4 activation in mice. Accordingly, we determined if the alkali burn wound healing responses in wild-type (WT) mice are different than those in their TRPV4-null (KO) counterpart. Stromal opacification due to fibrosis in KO (n = 128) mice was markedly reduced after 20 days relative to that in WT (n = 157) mice...
2016: PloS One
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