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https://www.readbyqxmd.com/read/28532122/mannan-endo-1-4-%C3%AE-mannosidase-from-kitasatospora-sp-isolated-in-indonesia-and-its-potential-for-production-of-mannooligosaccharides-from-mannan-polymers
#1
Nanik Rahmani, Norimasa Kashiwagi, JaeMin Lee, Satoko Niimi-Nakamura, Hana Matsumoto, Prihardi Kahar, Puspita Lisdiyanti, Yopi, Bambang Prasetya, Chiaki Ogino, Akihiko Kondo
Mannan endo-1,4-β-mannosidase (commonly known as β-mannanase) catalyzes a random cleavage of the β-D-1,4-mannopyranosyl linkage in mannan polymers. The enzyme has been utilized in biofuel production from lignocellulose biomass, as well as in production of mannooligosaccharides (MOS) for applications in feed and food industries. We aimed to obtain a β-mannanase, for such mannan polymer utilization, from actinomycetes strains isolated in Indonesia. Strains exhibiting high mannanase activity were screened, and one strain belonging to the genus Kitasatospora was selected...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28531294/tatsushi-toda-and-tamao-endo-win-107th-japan-academy-prize
#2
Motoi Kanagawa, Hiroshi Manya
No abstract text is available yet for this article.
May 22, 2017: Glycobiology
https://www.readbyqxmd.com/read/28530210/-role-of-the-bone-marrow-derived-stem-cells-in-pancreatic-inflammatory-disorders
#3
EDITORIAL
Krzysztof Dąbkowski, Anna Łabędź-Masłowska, Ewa Zuba-Surma, Teresa Starzyńska
Various independent studies indicate involvement of different populations of bone marrow-derived stem cells in the process of tissue regeneration. In inflammatory disorders bone marrow stem cells are mobilized into peripherial blood and further to different organs, where they take part in tissue regeneration. Experimental studies have shown that bone marrow stem cells play a pivotal role in regeneration of endo and egzocrine pancreas and have a role in pathogenesis of pancreatitis, diabetes and pancreatic neoplasms...
April 21, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28529827/deviant-lysosomal-ca-2-signalling-in-neurodegeneration-an-introduction
#4
Sandip Patel
Lysosomes are key acidic Ca(2+) stores. The principle Ca(2+)-permeable channels of the lysosome are TRP mucolipins (TRPMLs) and NAADP-regulated two-pore channels (TPCs). Recent studies, reviewed in this collection, have linked numerous neurodegenerative diseases to both gain and loss of function of TRPMLs/TPCs, as well as to defects in acidic Ca(2+) store content. These diseases span rare lysosomal storage disorders such as Mucolipidosis Type IV and Niemann-Pick disease, type C, through to more common ones such as Alzheimer and Parkinson disease...
June 1, 2016: Messenger
https://www.readbyqxmd.com/read/28529747/amrubicin-monotherapy-may-be-an-effective-second-line-treatment-for-patients-with-large-cell-neuroendocrine-carcinoma-or-high-grade-non-small-cell-neuroendocrine-carcinoma
#5
Norimitsu Kasahara, Kazushige Wakuda, Shota Omori, Kazuhisa Nakashima, Akira Ono, Tetsuhiko Taira, Hirotsugu Kenmotsu, Tateaki Naito, Haruyasu Murakami, Keita Mori, Reiko Watanabe, Masahiro Endo, Takashi Nakajima, Masanobu Yamada, Toshiaki Takahashi
There is no standard chemotherapy for pulmonary large-cell neuroendocrine carcinoma (LCNEC) and this type of cancer is difficult to diagnose using biopsy specimens. At the Shizuoka Cancer Center, when small biopsy specimens are used, they are diagnosed as high-grade non-small-cell neuroendocrine carcinoma (HNSCNEC) and the patients are treated according to the small-cell lung cancer (SCLC) guidelines. Amrubicin is an effective second-line treatment for patients with SCLC, although it remains unclear whether amrubicin monotherapy is effective for patients with LCNEC or HNSCNEC...
May 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28529267/endometrial-adenocarcinoma-with-choriocarcinomatous-differentiation-in-the-uterus-of-a-goat
#6
Masashi Kawashima, Risa Segawa, Toshinori Yoshida, Hirotada Murayama, Rei Nagahara, Masayuki Kimura, Natsumi Endo, Tomomi Tanaka, Makoto Shibutani
An 11-year-old female goat had invasive and metastatic endometrial adenocarcinoma in the uterus. There was a notable proliferation of endometrial epithelial cells in a tubular growth pattern, with a desmoplastic response. The endometrial epithelial tumor cells metastasized to the kidney, liver and lung. In contrast to the primary and metastatic tumor cells, pleomorphic tumor cells with a choriocarcinoma-like growth pattern infiltrated the mesometrium. Cell proliferation activity was high in both types of tumor cells...
May 19, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28528595/implications-of-white-striping-and-spaghetti-meat-abnormalities-on-meat-quality-and-histological-features-in-broilers
#7
G Baldi, F Soglia, M Mazzoni, F Sirri, L Canonico, E Babini, L Laghi, C Cavani, M Petracci
During the past few years, there has been an increasing prevalence of broiler breast muscle abnormalities, such as white striping (WS) and wooden breast conditions. More recently, a new muscular abnormality termed as spaghetti meat (SM) because of the altered structural integrity of the Pectoralis major muscle often associated with WS has emerged. Thus, this study aimed at evaluating the effects of WS and SM conditions, occurring alone or combined within the same P. major muscle, on meat quality traits and muscle histology...
May 22, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28528418/spatial-distribution-and-temporal-trend-of-anthropogenic-organic-compounds-derived-from-the-2011-east-japan-earthquake
#8
Kaoruko Mizukawa, Yasuko Hirai, Hiroyuki Sakakibara, Satoshi Endo, Keiji Okuda, Hideshige Takada, Naoko Murakami-Sugihara, Kotaro Shirai, Hiroshi Ogawa
The tsunami caused by the Great East Japan Earthquake on March 11, 2011 disturbed coastal environments in the eastern Tohoku region in Japan. Numerous terrestrial materials, including anthropogenic organic compounds, were deposited in the coastal zone. To evaluate the impacts of the disaster, we analyzed PCBs, LABs, PAHs, and hopanes in mussels collected from 12 locations in the east of Tohoku during 2011-2015 (series A) by GC-ECD or GC-MS and compared them with results from mussels collected from 22 locations around Japan during 2001-2004 (series B)...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528272/glycosylation-is-important-for-legumain-localization-and-processing-to-active-forms-but-not-for-cystatin-e-m-inhibitory-functions
#9
Ngoc Nguyen Lunde, Mads Haugland Haugen, Kristina Broe Bodin Larsen, Ingrid Damgaard, Solveig J Pettersen, Roya Kasem, Wioletta Rut, Marcin Drag, Marcin Poreba, Harald Thidemann Johansen, Rigmor Solberg
The asparaginyl endopeptidase legumain and its inhibitor cystatin E/M are endogenously glycosylated. However, little is known about the nature of the carbohydrate groups and whether they affect the functions of these proteins. In this study both glycosylated and unglycosylated forms of legumain and cystatin E/M were studied. HEK293 cell lines stably over-expressing legumain or cystatin E/M, and HCT116 cells were used as cell models, and mature legumain was purified from bovine kidneys. To obtain unglycosylated proteins, cells were treated with tunicamycin, an inhibitor of N-linked glycosylation, whereas PNGase F and Endo H were used to characterize the glycosylation types...
May 17, 2017: Biochimie
https://www.readbyqxmd.com/read/28526572/comprehensive-evaluation-of-immunomodulation-by-moderate-hypoxia-in-s-agalactiae-vaccinated-nile-tilapia
#10
Sanchala Gallage, Takayuki Katagiri, Masato Endo, Masashi Maita
Streptococcus agalactiae is a major bacterial pathogen in tilapia aquaculture. Vaccines are known to provide protection but S. agalactiae clearance in tilapia can be reduced by marginal environmental conditions. Therefore, the purpose of this study is to examine S. agalactiae clearance in vaccinated Nile tilapia under moderate hypoxic (55± 5% DO) and normoxic (85 ± 5%DO) conditions. Fish were acclimatized to either moderate hypoxia or normoxia and immunized with formalin-inactivated S. agalactiae. Fish were experimentally challenged with S...
May 16, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28526381/medium-term-effect-of-sublingual-l-glutathione-supplementation-on-flow-mediated-dilation-in-subjects-with-cardiovascular-risk-factors
#11
Jonica Campolo, Stefano Bernardi, Lorena Cozzi, Silvia Rocchiccioli, Cinzia Dellanoce, Antonella Cecchettini, Annamaria Tonini, Marina Parolini, Benedetta De Chiara, Gianpaolo Micheloni, Gualtiero Pelosi, Claudio Passino, Cristina Giannattasio, Oberdan Parodi
OBJECTIVE: Supplementation of glutathione (GSH) may be a positive strategy to improve the endogenous antioxidant defense required to counteract many acute and chronic diseases. However, the efficacy of GSH treatment seems to be closely related to type of administration, degree of absorption, and increase of its concentrations. The aim of this study was to test a new sublingual formulation of L-GSH, which enters directly the systemic circulation, to assess its efficacy on circulating biochemical markers of hepatic metabolism, lipid profile, and oxidative stress and on peripheral vascular function compared with placebo in patients with cardiovascular risk factors (CVRF)...
June 2017: Nutrition
https://www.readbyqxmd.com/read/28524231/comparison-of-pre-ribosomal-rna-processing-pathways-in-yeast-plant-and-human-cells-focus-on-coordinated-action-of-endo-and-exoribonucleases
#12
REVIEW
Rafal Tomecki, Pawel J Sikorski, Monika Zakrzewska-Placzek
Proper regulation of ribosome biosynthesis is mandatory for cellular adaptation, growth and proliferation. Ribosome biogenesis is the most energetically demanding cellular process, which requires tight control. Abnormalities in ribosome production have severe consequences, including developmental defects in plants and genetic diseases (ribosomopathies) in humans. One of the processes occurring during eukaryotic ribosome biogenesis is processing of the ribosomal RNA precursor molecule (pre-rRNA), synthesized by RNA polymerase I, into mature rRNAs...
May 19, 2017: FEBS Letters
https://www.readbyqxmd.com/read/28523604/chemo-enzymatic-synthesis-of-a-glycosylated-peptide-containing-a-complex-n-glycan-based-on-unprotected-oligosaccharides-by-using-dmt-mm-and-endo-m
#13
Yusuke Tomabechi, Toshihiko Katoh, Munetaka Kunishima, Toshiyuki Inazu, Kenji Yamamoto
For chemo-enzymatic synthesis of a glycosylated peptide, 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride (DMT-MM) was used for the synthesis of a N-acetylglucosaminyl peptide and a pseudoglycopeptide by solid-phase peptide synthesis without the requirement of protecting groups on the carbohydrate. We also performed transglycosylation of an N-glycan to the N-acetylglucosaminyl peptide using endo-β-N-acetylglucosaminidase from Mucor hiemalis (Endo-M) to synthesize a glycopeptide containing a complex N-glycan...
May 18, 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/28523132/uniportal-transcervical-video-assisted-thoracoscopic-surgery-vats-approach-for-pulmonary-lobectomy-combined-with-transcervical-extended-mediastinal-lymphadenectomy-temla
#14
Marcin Zieliński, Mariusz Rybak, Katarzyna Solarczyk-Bombik, Michal Wilkojc, Wojciech Czajkowski, Sylweriusz Kosinski, Edward Fryzlewicz, Tomasz Nabialek, Juliusz Pankowski
BACKGROUND: To present the technique of uniportal transcervical video-assisted thoracoscopic surgery (VATS) approach for pulmonary lobectomy combined with transcervical extended mediastinal lymphadenectomy (TEMLA). METHODS: Transcervical extended approach utilizes a typical a 5-8 centimeters collar incision in the neck. The critical technical point enabling a wide access to the chest is an elevation of the sternal manubrium with a special retractor (modified Rochard frame, Asculap-Chifa Company)...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28521816/biochemical-characterization-of-the-xylan-hydrolysis-profile-of-the-extracellular-endo-xylanase-from-geobacillus-thermodenitrificans-t12
#15
Martinus J A Daas, Patricia Murciano Martínez, Antonius H P van de Weijer, John van der Oost, Willem M de Vos, Mirjam A Kabel, Richard van Kranenburg
BACKGROUND: Endo-xylanases are essential in degrading hemicellulose of various lignocellulosic substrates. Hemicellulose degradation by Geobacillus spp. is facilitated by the hemicellulose utilization (HUS) locus that is present in most strains belonging to this genus. As part of the HUS locus, the xynA gene encoding an extracellular endo-xylanase is one of the few secreted enzymes and considered to be the key enzyme to initiate hemicellulose degradation. Several Geobacillus endo-xylanases have been characterized for their optimum temperature, optimum pH and generation of degradation products...
May 18, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/28521209/use-of-solid-digestate-for-lignocellulolytic-enzymes-production-through-submerged-fungal-fermentation
#16
Alida Musatti, Elena Ficara, Chiara Mapelli, Cecilia Sambusiti, Manuela Rollini
Studies were performed on the use of the solid fraction of digestate (D) for the production of lignocellulolytic enzymes (endo- and exo-glucanase, xylanase, β-glucosidase and laccase) by fungi, in comparison with wheat straw (benchmark) (W). To date, this is the first report on the use of such an inexpensive substrate in a liquid environment. Submerged instead of solid state fermentation was applied to overcome pH inhibition and increase surface accessibility. A total of 21 fungal strains were tested: the most performing ones were Irpex lacteus DSM1183 for both β-glucosidase (52 IU/g with D, + 400% compared to W) and endo-glucanase (236 IU/g with D, + 470% compared to W), Schizophyllum commune CBS30132 for xylanase (715 IU/g with W, + 145% compared to D) and Pleurotus ostreatus ATCC96997 for laccase (124 IU/g with D, +230% compared to D)...
May 15, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28521074/metal-free-hydroalkoxylation-formal-4-2-cycloaddition-cascade-for-the-synthesis-of-ketals
#17
Santosh J Gharpure, Santosh Kumar Nanda, Padmaja Padmaja, Yogesh Gangaram Shelke
A transition metal free, acid promoted cascade hydroalkoxylation-formal [4+2] cycloaddition of various alkynols with salicylaldehyde is demonstrated for the synthesis of tetrahydrofurano/pyrano-chromenes and spiroketals. In general, alkynols underwent hydroalkoxylations in an endo-dig manner when internal alkynes were used to furnish the heteroannular ketals, whereas terminal alkynes proceeded in an exo-dig fashion leading to spiroketals. The study revealed that intramolecular hydroalkoxylation of alkynols is a preferred path over a generation of oxocarbenium ion formation when coupling partner is salicylaldehyde...
May 18, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28521016/influence-of-gsh-s-transferase-on-the-mutagenicity-induced-by-dichloromethane-and-1-2-dichloropropane
#18
Nozomi Akiba, Kazuhiro Shiizaki, Yoshitaka Matsushima, Osamu Endo, Kazuho Inaba, Yukari Totsuka
It has been suggested that dichloromethane (DCM) and 1,2-dichloropropane (DCP) are responsible for occupational cholangiocarcinoma. Dihaloalkanes are metabolically activated by GSH S-transferase theta1 (GSTT1) to yield products such as episulfonium ions. However, whether the GSTT1-mediated step of these dihaloalkanes is related to occupational cholangiocarcinoma is not known. In the present study, we investigated the influence of GSTT1 activation on the mutagenicity of DCM and 1,2-DCP using GSTT1-expressing Salmonella typhimurium TA100 (TA100-GST)...
May 17, 2017: Mutagenesis
https://www.readbyqxmd.com/read/28520748/inflammation-related-microrna-expression-level-in-the-bovine-milk-is-affected-by-mastitis
#19
Yu-Chang Lai, Takuro Fujikawa, Tadashi Maemura, Takaaki Ando, Go Kitahara, Yasuyuki Endo, Osamu Yamato, Masateru Koiwa, Chikara Kubota, Naoki Miura
MicroRNA (miRNA) in tissue and liquid samples have been shown to be associated with many diseases including inflammation. We aimed to identify inflammation-related miRNA expression level in the bovine mastitis milk. Expression level of inflammation-related miRNA in milk from mastitis-affected and normal cows was analyzed using qPCR. We found that expression level of miR-21, miR-146a, miR-155, miR-222, and miR-383 was significantly upregulated in California mastitis test positive (CMT+) milk. We further analyzed these miRNA using a chip-based QuantStudio Digital PCR System...
2017: PloS One
https://www.readbyqxmd.com/read/28516995/regioselective-6-endo-dig-iodocyclization-an-accessible-approach-for-iodo-benzo-a-phenazines
#20
Sonu Kumar, Mohammad Mujahid, Akhilesh K Verma
A facile approach for the synthesis of substituted iodo-benzo[a]phenazines from 2-aryl-3-(aryl/alkylethynyl)quinoxalines via 6-endo-dig ring closure has been described under mild reaction conditions. Iodocyclization proceeds through the iodonium ion intermediate followed by nucleophilic cyclization with the C-H bond of the arene. Furthermore, the resulting 6-iodo-5-aryl/alkyl benzo[a]phenazine derivatives allowed for structural diversification by employing various coupling reactions. The structure of iodo-benzo[a]phenazine was confirmed by X-ray crystallographic studies of the compound...
May 18, 2017: Organic & Biomolecular Chemistry
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