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https://www.readbyqxmd.com/read/28440828/synthesis-duplex-forming-ability-enzymatic-stability-and-in-vitro-antisense-potency-of-oligonucleotides-including-2-c-4-c-ethyleneoxy-bridged-thymidine-derivatives
#1
Takashi Osawa, Motoki Sawamura, Fumito Wada, Tsuyoshi Yamamoto, Satoshi Obika, Yoshiyuki Hari
We synthesized thymidine derivatives of 2'-C,4'-C-ethyleneoxy-bridged 2'-deoxyribonucleic acids with an 8'-methyl group ((R)-Me-EoDNA and (S)-Me-EoDNA) and without any substituent (EoDNA). Oligonucleotides including these EoDNAs showed high hybridization abilities with complementary RNA and excellent enzymatic stabilities compared with natural DNA. Moreover, the in vitro antisense potency of oligonucleotides with these EoDNAs and our recently reported methylene-EoDNAs was investigated and compared with that of LNA, which is a practical chemical modification for oligonucleotide-therapeutic agents...
April 25, 2017: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/28440570/mass-spectrometric-characterization-of-the-selective-androgen-receptor-modulator-sarm-yk-11-for-doping-control-purposes
#2
Mario Thevis, Thomas Piper, Josef Dib, Andreas Lagojda, Dirk Kuehne, Lars Packschies, Hans Geyer, Wilhelm Schaenzer
RATIONALE: Selective androgen receptor modulators (SARMs) represent an emerging class of therapeutics targeting inter alia conditions referred to as cachexia and sarcopenia. Due to their anabolic properties, the use of SARMs is prohibited in sports as regulated by the World Anti-Doping Agency (WADA), and doping control laboratories test for these anabolic agents in blood and urine. In order to accomplish and maintain comprehensive test methods, the characterization of new drug candidates is critical for efficient sports drug testing...
April 25, 2017: Rapid Communications in Mass Spectrometry: RCM
https://www.readbyqxmd.com/read/28439234/salivary-oxytocin-concentration-associates-with-the-subjective-feeling-of-body-ownership-during-the-rubber-hand-illusion
#3
Masakazu Ide, Makoto Wada
Oxytocin is a hormone of the posterior pituitary that promotes lactation, maternal bonding, and birth. Recent studies have shown that oxytocin may modulate social recognition in both sexes, and thus it may be related to empathy. Brain regions that are associated with social recognition and empathy (e.g., the insular cortex) are activated in the rubber hand illusion (RHI), which involves illusory ownership of a rubber hand caused by brush strokes applied synchronously to both a rubber hand and one of the participant's hand, which is hidden from view...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28439081/long-lasting-neutralization-of-c5-by-sky59-a-novel-recycling-antibody-is-a-potential-therapy-for-complement-mediated-diseases
#4
Taku Fukuzawa, Zenjiro Sampei, Kenta Haraya, Yoshinao Ruike, Meiri Shida-Kawazoe, Yuichiro Shimizu, Siok Wan Gan, Machiko Irie, Yoshinori Tsuboi, Hitoshi Tai, Tetsushi Sakiyama, Akihisa Sakamoto, Shinya Ishii, Atsuhiko Maeda, Yuki Iwayanagi, Norihito Shibahara, Mitsuko Shibuya, Genki Nakamura, Takeru Nambu, Akira Hayasaka, Futa Mimoto, Yuu Okura, Yuji Hori, Kiyoshi Habu, Manabu Wada, Takaaki Miura, Tatsuhiko Tachibana, Kiyofumi Honda, Hiroyuki Tsunoda, Takehisa Kitazawa, Yoshiki Kawabe, Tomoyuki Igawa, Kunihiro Hattori, Junichi Nezu
Dysregulation of the complement system is linked to the pathogenesis of a variety of hematological disorders. Eculizumab, an anti-complement C5 monoclonal antibody, is the current standard of care for paroxysmal nocturnal hemoglobinuria (PNH) and atypical hemolytic uremic syndrome (aHUS). However, because of high levels of C5 in plasma, eculizumab has to be administered biweekly by intravenous infusion. By applying recycling technology through pH-dependent binding to C5, we generated a novel humanized antibody against C5, SKY59, which has long-lasting neutralization of C5...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28438897/downregulation-of-mir-200a-3p-targeting-ctbp2-is-involved-in-the-hypoproduction-of-il-2-in-systemic-lupus-erythematosus-derived-t-cells
#5
Eri Katsuyama, Minglu Yan, Katsue Sunahori Watanabe, Syun Matsushima, Yuriko Yamamura, Sumie Hiramatsu, Keiji Ohashi, Haruki Watanabe, Takayuki Katsuyama, Sonia Zeggar, Nobuya Yoshida, Vaishali R Moulton, George C Tsokos, Ken-Ei Sada, Jun Wada
Systemic lupus erythematosus (SLE) damages multiple organs by producing various autoantibodies. In this study, we report that decreased microRNA (miR)-200a-3p causes IL-2 hypoproduction through zinc finger E-box binding homeobox (ZEB)1 and C-terminal binding protein 2 (CtBP2) in a lupus-prone mouse. First, we performed RNA sequencing to identify candidate microRNAs and mRNAs involved in the pathogenesis of SLE. We found that miR-200a-3p was significantly downregulated, whereas its putative targets, ZEB2 and CtBP2, were upregulated in CD4(+) T cells from MRL/lpr-Tnfrsf6(lpr) mice compared with C57BL/6J mice...
April 24, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28438643/convenient-pcr-method-for-variable-number-tandem-repeat-typing-of-mycobacterium-tuberculosis-clinical-isolates
#6
Junji Seto, Takayuki Wada, Yu Suzuki, Tatsuya Ikeda, Katsumi Mizuta, Satoshi Mitarai, Tadayuki Ahiko
Variable-number tandem-repeat typing for Mycobacterium tuberculosis clinical isolates contributes to evidence-based tuberculosis control. However, cumbersome PCR procedures for the typing have disturbed routine analyses. We proposed a convenient PCR method for the typing using a PCR master mix that provides rapidity and long-term stability of the frozen PCR cocktail.
April 21, 2017: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/28437783/evacuation-of-a-tertiary-neonatal-centre-lessons-from-the-2016-kumamoto-earthquakes
#7
Osuke Iwata, Akihiko Kawase, Masanori Iwai, Kazuko Wada
BACKGROUND: Newborn infants hospitalised in the neonatal intensive care unit (NICU) are vulnerable to natural disasters. However, publications on evacuation from NICUs are sparse. The 2016 Kumamoto Earthquakes caused serious damage to Kumamoto City Hospital and its level III regional core NICU. Local/neighbour NICU teams and the disaster-communication team of a neonatal academic society cooperated to evacuate 38 newborn infants from the ward. OBJECTIVE: The aim of this paper was to highlight potential key factors to improve emergency NICU evacuation and coordination of hospital transportation following natural disasters...
April 25, 2017: Neonatology
https://www.readbyqxmd.com/read/28437677/localization-of-enhancer-of-try-and-cpc1-protein-in-arabidopsis-root-epidermis
#8
Rumi Tominaga-Wada, Tetsuya Kurata, Takuji Wada
CAPRICE (CPC) is a R3-type MYB transcription factor, which induces root-hair cell differentiation in Arabidopsis thaliana. The CPC homologous gene ENHANCER TRY AND CPC1 (ETC1) has a similar function to CPC, and acts in concert with CPC. The CPC protein moves between root epidermal cells, from hairless cells to the neighboring cells, and promotes root-hair differentiation. Therefore, ETC1 is predicted to have movement ability similar to that of CPC. In this study, we generated ETC1:ETC1:GFP and CPC:ETC1:GFP transgenic plants to clarify whether ETC1 exhibits cell-to-cell movement...
April 4, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28434330/significant-association-between-renal-function-and-area-of-amyloid-deposition-evident-in-kidney-biopsy-specimens-in-both-aa-and-al-amyloidosis
#9
Takeshi Kuroda, Yumi Ito, Naofumi Imai, Yukiko Nozawa, Hiroe Sato, Takeshi Nakatsue, Yoko Wada, Mitsuhiro Ueno, Masaaki Nakano, Ichiei Narita
No abstract text is available yet for this article.
March 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/28433263/memory-assessment-in-patients-with-temporal-lobe-epilepsy-to-predict-memory-impairment-after-surgery-a-systematic-review
#10
P Parra-Díaz, N García-Casares
INTRODUCTION: Given that surgical treatment of refractory mesial temporal lobe epilepsy may cause memory impairment, determining which patients are eligible for surgery is essential. However, there is little agreement on which presurgical memory assessment methods are best able to predict memory outcome after surgery and identify those patients with a greater risk of surgery-induced memory decline. OBJECTIVE: We conducted a systematic literature review to determine which presurgical memory assessment methods best predict memory outcome...
April 19, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28430819/estimating-optimal-sparseness-of-developmental-gene-networks-using-a-semi-quantitative-model
#11
Natsuhiro Ichinose, Tetsushi Yada, Hiroshi Wada
To estimate gene regulatory networks, it is important that we know the number of connections, or sparseness of the networks. It can be expected that the robustness to perturbations is one of the factors determining the sparseness. We reconstruct a semi-quantitative model of gene networks from gene expression data in embryonic development and detect the optimal sparseness against perturbations. The dense networks are robust to connection-removal perturbation, whereas the sparse networks are robust to misexpression perturbation...
2017: PloS One
https://www.readbyqxmd.com/read/28429813/rh-catalyzed-direct-arylation-of-a-polyhedral-oligomeric-silsesquioxane
#12
Hiroaki Imoto, Satoshi Wada, Kensuke Naka
The electronic properties of polyhedral oligomeric silsesquioxanes (POSS) have recently been subjected to study. Although theoretical calculations have predicted that POSS can work as an acceptor for π-conjugated organic units, an effective reaction to incorporate aryl groups into a POSS backbone remains to be established. In this work, Rh-catalyzed direct arylation has been developed. Heptaisobutyl-POSS with a Si-H group was reacted with various aryl halides to form aryl-substitued POSSs.
April 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28429111/impact-of-serum-albumin-levels-on-long-term-outcomes-in-patients-undergoing-percutaneous-coronary-intervention
#13
Hideki Wada, Tomotaka Dohi, Katsumi Miyauchi, Jun Shitara, Hirohisa Endo, Shinichiro Doi, Ryo Naito, Hirokazu Konishi, Shuta Tsuboi, Manabu Ogita, Takatoshi Kasai, Shinya Okazaki, Kikuo Isoda, Satoru Suwa, Hiroyuki Daida
Epidemiological studies have demonstrated an association between low serum albumin levels and both coronary artery disease (CAD) and mortality. However, the long-term clinical impact of low serum albumin level in patients with CAD undergoing percutaneous coronary intervention (PCI) has not yet been fully investigated. We studied 2860 all-comer patients with CAD who underwent their first PCI and had data available for pre-procedural serum albumin between 2000 and 2011. Patients were assigned to tertiles based on pre-procedural albumin levels...
April 20, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28428450/independent-and-combined-effects-of-serum-albumin-and-c-reactive-protein-on-long-term-outcomes-of-patients-undergoing-percutaneous-coronary-intervention
#14
Hideki Wada, Tomotaka Dohi, Katsumi Miyauchi, Shinichiro Doi, Ryo Naito, Hirokazu Konishi, Shuta Tsuboi, Manabu Ogita, Takatoshi Kasai, Shinya Okazaki, Kikuo Isoda, Satoru Suwa, Hiroyuki Daida
BACKGROUND: Both inflammation and malnutrition have been reported to be closely linked to atherosclerosis, especially in patients with chronic kidney disease (CKD). The combined effects of serum albumin and C-reactive protein (CRP) on clinical outcomes after percutaneous coronary intervention (PCI) were investigated.Methods and Results:A total of 2,164 all-comer patients with coronary artery disease who underwent their first PCI and had data available for preprocedural serum albumin and hs-CRP levels between 2000 and 2011 were studied...
April 19, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28428449/current-status-and-outcomes-of-direct-oral-anticoagulant-use-in-real-world-atrial-fibrillation-patients%C3%A3-fushimi-af-registry
#15
Yugo Yamashita, Ryuji Uozumi, Yasuhiro Hamatani, Masahiro Esato, Yeong-Hwa Chun, Hikari Tsuji, Hiromichi Wada, Koji Hasegawa, Hisashi Ogawa, Mitsuru Abe, Satoshi Morita, Masaharu Akao
BACKGROUND: The current status and outcomes of direct oral anticoagulant (DOAC) use have not been widely evaluated in unselected patients with atrial fibrillation (AF) in the real world.Methods and Results:The Fushimi AF Registry is a community-based prospective survey of AF patients who visited the participating medical institutions (n=80) in Fushimi, Kyoto, Japan. Follow-up data with oral anticoagulant (OAC) status were available for 3,731 patients by the end of November 2015. We evaluated OAC status and clinical outcomes according to OAC status...
April 19, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28427600/carotid-artery-stenting-investigation-of-plaque-protrusion-incidence-and-prognosis
#16
Masashi Kotsugi, Katsutoshi Takayama, Kaoru Myouchin, Takeshi Wada, Ichiro Nakagawa, Hiroyuki Nakagawa, Toshiaki Taoka, Shinichiro Kurokawa, Hiroyuki Nakase, Kimihiko Kichikawa
OBJECTIVES: This study sought to clarify the incidence and prognosis of PP in carotid artery stenting (CAS). BACKGROUND: Projections thought to be plaque may be observed inside the stent on angiography or intravascular ultrasound (IVUS) during CAS. Known as plaque protrusion (PP), the incidence and prognosis of this complication are unclear. METHODS: A total of 354 consecutive carotid atherosclerotic stenoses in 328 patients (285 men, 43 women; age range 51 to 97 years [mean age 73...
April 24, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28426527/us-antibiotic-stewardship-and-penicillin-allergy
#17
Kara J Wada, Karen H Calhoun
PURPOSE OF REVIEW: The purpose of this review is to improve otolaryngologists' antibiotic stewardship by detailing current approaches to penicillin allergy. RECENT FINDINGS: Although up to 15% of hospitalized patients in the United States have a penicillin allergy recorded on their charts, fewer than 10% of these have a true penicillin allergy. SUMMARY: Using a combination of a detailed allergy history, skin testing and graded-dose administration, many patients whose charts say 'penicillin-allergic' can safely be treated with penicillin and cross-reacting antibiotics...
April 19, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/28425052/dmso-assisted-electrospray-ionization-for-the-detection-of-small-peptide-hormones-in-urine-by-dilute-and-shoot-liquid-chromatography-high-resolution-mass-spectrometry
#18
Péter Judák, Janelle Grainger, Catrin Goebel, Peter Van Eenoo, Koen Deventer
The mobile phase additive (DMSO) has been described as a useful tool to enhance electrospray ionization (ESI) of peptides and proteins. So far, this technique has mainly been used in proteomic/peptide research, and its applicability in a routine clinical laboratory setting (i.e., doping control analysis) has not been described yet. This work provides a simple, easy to implement screening method for the detection of doping relevant small peptides (GHRPs, GnRHs, GHS, and vasopressin-analogues) with molecular weight less than 2 kDa applying DMSO in the mobile phase...
April 19, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28423469/cytomegalovirus-peritonitis-after-kidney-transplantation-diagnosed-through-histopathological-examination
#19
Kiyohiko Hotta, Yuichiro Fukasawa, Yoshiki Wada, Nobuyuki Fukuzawa, Toshimori Seki, Hiroshi Harada
Among organ transplant recipients, cytomegalovirus (CMV) commonly results in various types of infection such as pneumonitis, hepatitis, and enterocolitis. However, CMV peritonitis is very rare and difficult to diagnose owing to lack of visible clinical signs. We present a case of a 35-year-old female kidney recipient who developed abdominal pain and urinary retention caused by CMV peritonitis. To our knowledge, this is the first case report of CMV peritonitis after organ transplantation to be diagnosed through histopathological examination...
April 19, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28422249/disulfide-bond-formation-of-thiols-by-using-carbon-nanotubes
#20
A Hirano, T Kameda, S Sakuraba, M Wada, T Tanaka, H Kataura
Clarification of the interactions between carbon nanotubes (CNTs) and proteinogenic amino acids is a key approach to understanding CNT-protein interactions. Previous studies have addressed the mechanism of the physical adsorption of amino acids onto CNTs. However, little is known about their chemical reactions in aqueous solutions. Here, we established dispersant-free systems to clarify intrinsic CNT-thiol interactions. We demonstrated that the redox reaction of CNTs with cysteine, containing a thiol group, leads to disulfide bond formation between cysteine molecules, even under acidic conditions...
April 19, 2017: Nanoscale
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