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https://www.readbyqxmd.com/read/28550205/a-novel-%C3%AE-9-integrin-ligand-xcl1-lymphotactin-is-involved-in-the-development-of-murine-models-of-autoimmune-diseases
#1
Naoki Matsumoto, Shigeyuki Kon, Takuya Nakatsuru, Tomoe Miyashita, Kyosuke Inui, Kodai Saitoh, Yuichi Kitai, Ryuta Muromoto, Jun-Ichi Kashiwakura, Toshimitsu Uede, Tadashi Matsuda
The integrin α9β1 is a key receptor involved in the development of autoimmune diseases. However, the detailed mechanism for the association of α9β1 integrin with its ligands remains unclear. In this study, we introduce XCL1/lymphotactin, a member of the chemokine family, as a novel ligand for α9 integrin. Using α9 integrin-overexpressing NIH3T3 cells and endogenously α9 integrin-expressing human rhabdomyosarcoma cells, the interaction between XCL1 and α9 integrin was confirmed by pull-down assays. XCL1 enhanced α9 integrin-dependent cell migration of these cells, thus acting on α9 integrin as a chemoattractant...
May 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28549125/transfemoral-transapical-and-transcatheter-aortic-valve-implantation-and-surgical-aortic-valve-replacement-a-meta-analysis-of-direct-and-adjusted-indirect-comparisons-of-early-and-mid-term-deaths
#2
Tomo Ando, Hisato Takagi, Cindy L Grines
Clinical outcomes of transfemoral-transcatheter aortic valve implantation (TF-TAVI) versus surgical aortic valve replacement (SAVR) or transapical (TA)-TAVI are limited to a few randomized clinical trials (RCTs). Because previous meta-analyses only included a limited number of adjusted studies or several non-adjusted studies, our goal was to compare and summarize the outcomes of TF-TAVI vs SAVR and TF-TAVI vs TA-TAVI exclusively with the RCT and propensity-matched cohort studies with direct and adjusted indirect comparisons to reach more precise conclusions...
May 26, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28546115/both-polarity-and-aromatic-ring-in-the-side-chain-of-tryptophan-246-are-involved-in-binding-activity-of-vibrio-vulnificus-hemolysin-to-target-cells
#3
Takashige Kashimoto, Tomoe Akita, Takehiro Kado, Kohei Yamazaki, Shunji Ueno
Vibrio vulnificus secretes a hemolysin/cytolysin (VVH) that induces cytolysis against a variety of mammalian cells by forming pores on the cellular membrane. VVH is known to bind to the cellular membrane as a monomer, and then convert to a pore-forming oligomer. However, the structural basis for binding of this toxin to target cells remains unknown. We show here that the polarity and indole ring on the side chain of Trp 246 (W246) of VVH, which sits on a bottom loop, participates in binding to cellular membrane...
May 22, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28538061/clinical-experience-of-treatment-of-facial-malformations-in-oto-palato-digital-syndrome-a-familial-patient
#4
Tomoe Kira-Koizumi, Nobuyuki Mitsukawa, Tadashi Morishita, Shinsuke Akita, Yoshitaka Kubota, Kaneshige Satoh
Oto-palato-digital syndrome type 1 (OPD1) is an X-linked recessive disorder comprising characteristic facial appearances and skeletal alterations. The authors report OPD1 in a mother and her 2 sons who had multiple common congenital anomalies. Both of the brothers were born with mild hearing impairment, frontal bossing with prominent supraorbital ridges, downslanting palpebral fissures, dental malocclusion, and palatal clefts. They underwent a series of aesthetic surgeries for their facial malformations with good cosmetic results...
May 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28532457/efficacy-of-chemotherapy-in-elderly-patients-with-unresectable-pancreatic-cancer-a-multicenter-review-of-895-patients
#5
Taira Kuroda, Teru Kumagi, Tomoyuki Yokota, Nobuaki Azemoto, Aki Hasebe, Hirotaka Seike, Mari Nishiyama, Nobu Inada, Naozumi Shibata, Hideki Miyata, Tomoe Kawamura, Yusuke Imai, Akiko Ueno-Toshimori, Yoshinori Tanaka, Takashi Terao, Yoshiki Imamura, Mitsuhito Koizumi, Hirofumi Yamanishi, Yoshinori Ohno, Yoichi Hiasa
BACKGROUND: The efficacy of chemotherapy for unresectable pancreatic cancer has improved. However, it is occasionally difficult to make treatment decisions for elderly patients. We reviewed the outcomes of elderly patients with unresectable pancreatic cancer by using a large cohort and evaluated whether they had received chemotherapy and the reason why. METHODS: Data for 895 pancreatic cancer patients who were treated using chemotherapy or best supportive care were analyzed considering demographics, clinical stage, treatment, and outcome...
May 22, 2017: BMC Gastroenterology
https://www.readbyqxmd.com/read/28522081/natural-course-and-potential-prognostic-factors-for-sleep-disordered-breathing-in-multiple-system-atrophy
#6
Yasuyoshi Ohshima, Hideaki Nakayama, Naho Matsuyama, Satoshi Hokari, Takuro Sakagami, Tomoe Sato, Toshiyuki Koya, Tetsuya Takahashi, Toshiaki Kikuchi, Masatoyo Nishizawa, Takayoshi Shimohata
OBJECTIVE/BACKGROUND: Multiple system atrophy (MSA) frequently results in the development of sleep-disordered breathing (SDB). Few reports have described the natural course of this phenomenon. The aim of the present study was to determine the natural course of SDB and prognostic factors associated with such conditions in MSA. PATIENTS/METHODS: Twenty-four consecutive patients were recruited with probable MSA, who had not been treated with continuous positive airway pressure (CPAP) and had undergone overnight polysomnography (PSG) more than once following the development of snoring or stridor...
June 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28508565/menaquinone-4-enhances-osteogenic-potential-of-human-amniotic-fluid-mesenchymal-stem-cells-cultured-in-a-2d-and-3d-dynamic-culture-system
#7
Domitilla Mandatori, Letizia Penolazzi, Caterina Pipino, Pamela Di Tomo, Sara Di Silvestre, Natalia Di Pietro, Sara Trevisani, Marco Angelozzi, Mariangela Ucci, Roberta Piva, Assunta Pandolfi
Menaquinones, also known as Vitamin K2 family, regulate calcium homeostasis in a "bone-vascular cross talk" and recently received particular attention for their positive effect on bone formation. Since the correlation between menaquinones and bone metabolism to date is still unclear, the objective of our study was to investigate the possible role of menaquinone-4 (MK-4), an isoform of the menaquinones family, in the modulation of osteogenesis. For this reason we used a model of human Amniotic Fluid Mesenchymal Stem Cells (hAFMSCs) cultured both in two-dimensional (2D) and three-dimensional (3D, RCCS™bioreactor) in vitro culture systems...
May 16, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28498998/mechanism-of-human-influenza-virus-rna-persistence-and-virion-survival-in-feces-mucus-protects-virions-from-acid-and-digestive-juices
#8
Ryohei Hirose, Takaaki Nakaya, Yuji Naito, Tomo Daidoji, Yohei Watanabe, Hiroaki Yasuda, Hideyuki Konishi, Yoshito Itoh
Although viral RNA or infectious virions have been detected in the feces of individuals infected with human influenza A/B virus (IAV/IBV), the mechanism of viral survival in the gastrointestinal tract remains unclear. We developed a model that attempts to recapitulate the conditions encountered by a swallowed virus. While IAV/IBV is vulnerable to simulated digestive juices (gastric acid and bile/pancreatic juice), highly viscous mucus protects viral RNA and virions, allowing the virus to retain its infectivity...
May 11, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28498647/association-between-staphylococcus-aureus-bacteremia-and-hospital-mortality-in-hemodialysis-patients-with-bloodstream-infection-a-multicenter-cohort-from-japanese-tertiary-care-centers
#9
Takahiro Imaizumi, Takeshi Hasegawa, Atsushi Nomura, Sho Sasaki, Hiroki Nishiwaki, Takaya Ozeki, Hideaki Shimizu, Shun Minatoguchi, Taishi Yamakawa, Masahiko Yazawa, Daisuke Uchida, Hiroo Kawarazaki, Masahito Miyamoto, Tomo Suzuki, Ken'ichiro Koitabashi, Masahide Furusho, Yoshiro Fujita
Multiple studies have shown that Staphylococcus aureus bacteremia (SAB) has been a major cause of death in hemodialysis patients. We examined whether SAB is a risk for mortality among chronic hemodialysis patients in Japan where the standard vascular access is arteriovenous fistula (AVF). This was a multicenter, retrospective study of maintenance hemodialysis patients with bloodstream infection (BSI) from 2011 to 2013 at tertiary care centers in Japan. The endpoint was hospital mortality. Our cohort contained 32 SAB cases (14 MRSA and 18 MSSA) and 42 non-SAB cases...
May 12, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28493078/the-5-ht3-receptor-antagonist-ondansetron-attenuates-pancreatic-injury-in-cerulein-induced-acute-pancreatitis-model
#10
Atsushi Tsukamoto, Takuto Sugimoto, Yuta Onuki, Hajime Shinoda, Taiki Mihara, Masatoshi Hori, Tomo Inomata
The 5-hydroxytryptamine-3 receptor (5-HT3R) antagonist ondansetron has been clinically approved as an anti-emetic agent. Recent findings indicate that ondansetron has anti-inflammatory properties. The aim of the present study was to assess the therapeutic action of ondansetron in cerulein-induced acute pancreatitis model. Male-BALB/c mice were used in the present study. Acute pancreatitis was induced by an hourly injection of cerulein. Ondansetron was administered subcutaneously at a dose of 3 mg/kg. The messenger RNA (mRNA) expression of 5-HT3 R in pancreatic tissue was assessed with RT-PCR...
May 10, 2017: Inflammation
https://www.readbyqxmd.com/read/28490860/choroidal-structure-determined-by-binarizing-optical-coherence-tomography-images-in-eyes-with-reticular-pseudodrusen
#11
Naonori Masuda, Masashi Kojima, Mariko Yamashita, Tomo Nishi, Nahoko Ogata
PURPOSE: To compare the choroidal structure beneath the macular area in eyes with reticular pseudodrusen (RPD) and age-matched controls. METHODS: This study was performed at Nara Medical University Hospital, Japan. Twenty eyes of 14 patients (82.3±4.2 years, mean ± standard deviation) with RPD and 35 eyes of 20 age-matched controls (81.5±6.0 years) were studied. The choroidal structure was determined by binarizing the images obtained by enhanced depth imaging optical coherence tomography in all patients and controls...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28474924/isotope-effects-on-trapped-electron-mode-driven-turbulence-and-zonal-flows-in-helical-and-tokamak-plasmas
#12
Motoki Nakata, Masanori Nunami, Hideo Sugama, Tomo-Hiko Watanabe
Impacts of isotope ion mass on trapped-electron-mode (TEM)-driven turbulence and zonal flows in magnetically confined fusion plasmas are investigated. Gyrokinetic simulations of TEM-driven turbulence in three-dimensional magnetic configuration of helical plasmas with hydrogen isotope ions and real-mass kinetic electrons are realized for the first time, and the linear and the nonlinear nature of the isotope and collisional effects on the turbulent transport and zonal-flow generation are clarified. It is newly found that combined effects of the collisional TEM stabilization by the isotope ions and the associated increase in the impacts of the steady zonal flows at the near-marginal linear stability lead to the significant transport reduction with the opposite ion mass dependence in comparison to the conventional gyro-Bohm scaling...
April 21, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28468955/hyper-reactive-cloned-mice-generated-by-direct-nuclear-transfer-of-antigen-specific-cd4-t-cells
#13
Osamu Kaminuma, Kazufumi Katayama, Kimiko Inoue, Mayumi Saeki, Tomoe Nishimura, Noriko Kitamura, Yusuke Shimo, Soichi Tofukuji, Satoru Ishida, Narumi Ogonuki, Satoshi Kamimura, Mami Oikawa, Shigeki Katoh, Akio Mori, Michitaka Shichijo, Takachika Hiroi, Atsuo Ogura
T-cell receptor (TCR)-transgenic mice have been employed for evaluating antigen-response mechanisms, but their non-endogenous TCR might induce immune response differently than the physiologically expressed TCR Nuclear transfer cloning produces animals that retain the donor genotype in all tissues including germline and immune systems. Taking advantage of this feature, we generated cloned mice that carry endogenously rearranged TCR genes from antigen-specific CD4(+) T cells. We show that T cells of the cloned mice display distinct developmental pattern and antigen reactivity because of their endogenously pre-rearranged TCRα (rTα) and TCRβ (rTβ) alleles...
May 2, 2017: EMBO Reports
https://www.readbyqxmd.com/read/28458995/a-rare-case-of-unruptured-aneurysm-of-left-coronary-sinus-of-valsalva-accompanied-with-patent-foramen-ovale-and-atrial-fibrillation-detected-after-cardiac-etiology-stroke
#14
Wolfgang Hohenforst-Schmidt, Konstantinos Grapatsas, Paul Zarogoulidis, Vasileios Leivaditis, Christoforos Kotoulas, Periclis Tomos, Naim Benhassen, Zoi Tsilogianni, Efstratios Koletsis, Erich Haussmann, Rainer Haussmann, Haidong Huang, Christoforos Kosmidis, Bora Kosan, Manfred Dahm, Anil Sinha
We present a rare case of a 74 year old female with unruptured aneurysm of the left coronary sinus of Valsalva accompanied with patent foramen ovale and atrial fibrillation. This rare combination was detected during diagnostics for a cardiac etiology stroke. The left coronary sinus of Valsalva was reconstructed using an autologous pericardial patch, the left atrial appendage closed, left atrial ablation performed with cooled radiofrequency and the patent foramen ovale sutured directly. The patient was dismissed on the 12th postoperative day after having an uncomplicated postoperative course...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28458994/solitary-fibrous-tumor-a-center-s-experience-and-an-overview-of-the-symptomatology-the-diagnostic-and-therapeutic-procedures-of-this-rare-tumor
#15
Wolfgang Hohenforst-Schmidt, Konstantinos Grapatsas, Manfred Dahm, Paul Zarogoulidis, Vasileios Leivaditis, Christophoros Kotoulas, Periclis Tomos, Efstratios Koletsis, Zoi Tsilogianni, Naim Benhassen, Haidong Huang, Christoforos Kosmidis, Bora Kosan
Solitary Fibrous Tumor of the Pleura (SFTP) is a rare tumor of the pleura. Worldwide about 800 patients diagnosed with this oncological entity have been described in the existing literature. We report our center's 13 year experience. During this time three patients suffering from this rare disease have been treated in our department. All patients were asymptomatic and their diagnosis was initially triggered by a random finding in a routine chest x-ray. The diagnosis was set preoperatively through a needle biopsy under computer tomography (CT) guidance...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28458355/growth-inhibition-of-an-opportunistic-yeast-pathogen-trichosporon-asahii-by-staphylococcus-epidermidis
#16
Reiko Ikeda, Yuki Ogasawara, Kazuhiko Takatori, Tomoe Ichikawa, Miki Nakajima, Kazuko Harigaya, Miho Watanabe, Erika Okudaira, Hanari Yoshikawa, Kazuki Yanagisawa
In the co-culture of Staphylococcus epidermidis and Trichosporon asahii, a fungal pathogen, it was observed that live S. epidermidis inhibited the growth of T. asahii. Soluble active anti-T. asahii substances were speculated to be produced by S. epidermidis in culture medium. Using (1)H- and (13)C-NMR spectra and electron ionization-high resolution mass spectrometry (HR-negative-FAB-MS), we separated the active molecule and identified it as lactic acid. Commercially available L-lactic acid and D-lactic acid inhibited the growth of T...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28451472/cataract-surgery-and-visual-acuity-in-elderly-japanese-results-of-fujiwara-kyo-eye-study
#17
Kimie Miyata, Tadanobu Yoshikawa, Masashi Mine, Tomo Nishi, Nozomi Okamoto, Tetsuo Ueda, Ryo Kawasaki, Norio Kurumatani, Nahoko Ogata
The aim of this study was to determine the presence of prior cataract surgery and best-corrected visual acuity (BCVA) in an elderly Japanese cohort. The Fujiwara-kyo Eye Study was a prospective, population-based, cross-sectional epidemiological study. The subjects were ≥68 years who lived in the Nara Prefecture and responded to recruitment notices. All of the subjects underwent comprehensive ophthalmological examinations, and the sociodemographic information and medical history, including prior cataract surgery, were obtained by answers to a questionnaire...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28438878/surgical-management-of-non-small-cell-lung-cancer-with-solitary-hematogenous-metastases
#18
Grigorios Karagkiouzis, Eleftherios Spartalis, Demetrios Moris, Demetrios Patsouras, Athanasios Athanasiou, Ioannis Karathanasis, Alexios Verveniotis, Froso Konstantinou, Ilias A Kouerinis, Konstantinos Potaris, Dimitrios Dimitroulis, Periklis Tomos
BACKGROUND/AIM: The treatment of patients with solitary hematogenous metastases from non-small cell lung cancer (NSCLC) remains controversial, although numerous retrospective studies have reported favorable results for patients offered combined surgical therapy. Our aim was to determine the role of surgical resection in the management of NSCLC with solitary extrapulmonary metastases and to investigate for possible prognostic factors. PATIENTS AND METHODS: Between January 2004 and December 2012, 12 patients with NSCLC, from two Institutions, underwent metastasectomy for their solitary metastatic lesion...
May 2017: In Vivo
https://www.readbyqxmd.com/read/28434083/predictors-of-a-successful-outcome-for-infants-with-short-bowel-syndrome-a-30-year-single-institution-experience
#19
Tatsuru Kaji, Kazuhiko Nakame, Seiro Machigashira, Takafumi Kawano, Ryuta Masuya, Waka Yamada, Koji Yamada, Shun Onishi, Tomoe Moriguchi, Koshiro Sugita, Motoi Mukai, Satoshi Ieiri
PURPOSE: Short-bowel syndrome (SBS) is associated with high morbidity and mortality. We conducted this study to establish the predictors of survival and weaning off parenteral nutrition (PN). METHODS: We reviewed the medical records of 16 SBS infants treated at our institution within a 30-year period. SBS was defined as a residual small-bowel length (RSBL) of <75 cm. Loss of the ileocecal valve (ICV), cholestasis (D-Bil >2.0 mg/dl), enterostomy, and RSBL were all evaluated...
April 22, 2017: Surgery Today
https://www.readbyqxmd.com/read/28432910/total-mercury-levels-in-hair-of-children-aged-7years-before-and-after-the-great-east-japan-earthquake
#20
Nozomi Tatsuta, Kunihiko Nakai, Miyuki Iwai-Shimada, Tomoe Suzuki, Hiroshi Satoh, Katsuyuki Murata
The Great East Japan Earthquake on March 11, 2011 caused severe damage to the Sanriku coastal area, where we have been conducting a birth cohort study. The disaster occurred in the middle of 7-year-old examination. The mother-child pairs who participated in our study were compulsorily divided into two groups: the examination was finished for 157 children before the disaster, and for 335 after the disaster. We examined whether the disaster affected total mercury (THg) levels of the cohort, as well as a relationship between the THg levels at birth and at present...
April 19, 2017: Science of the Total Environment
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