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Zhihui Lu, Nana Song, Bo Shen, XiaLian Xu, Yi Fang, Yiqin Shi, Yichun Ning, Jiachang Hu, Yan Dai, Xiaoqiang Ding, Jianzhou Zou, Jie Teng
BACKGROUND: The hepatocyte growth factor (HGF) target pathway plays pivotal renoprotective roles after acute kidney injury (AKI). Syndecan-1 serves as the co-receptor for HGF. Shedding of syndecan-1 is involved in various pathological processes. Thus, we hypothesized that IRI induced syndecan-1 shedding and inhibiting syndecan-1 shedding would protect against kidney injury by potentiating activation of the HGF receptor c-Met. METHODS: Expression of syndecan-1 and its sheddases were observed in kidneys of sham and I/R mice...
March 20, 2018: Transplantation
Rajendra-Prasad Janapatla, Chyi-Liang Chen, Mei-Hua Hsu, Wan-Ting Liao, Cheng-Hsun Chiu
PURPOSE: Pneumococcal virulence protein-based vaccines can provide serotype-independent protection against pneumococcal infections. Many studies, including clinical observational studies on Thomsen-Friedenrich antigen exposure and haemolytic uremic syndrome, defined the role of neuraminidases NanA, NanB and NanC in host-pneumococcus interaction. Since neuraminidases are major virulence proteins, they are potential targets for both vaccines and small molecule inhibitors. Here we explored the utility of three neuraminidases as protein vaccine antigens to generate neutralizing antibodies and to increase survival following pneumococcal infections...
March 20, 2018: Journal of Medical Microbiology
Lehui Du, Wei Yu, Xiang Huang, Nana Zhao, Fang Liu, Fang Tong, Sujing Zhang, Baolong Niu, Xiaoliang Liu, Shouping Xu, Yurong Huang, Xiangkun Dai, Chuanbin Xie, Gaoxiang Chen, Xiaohu Cong, Baolin Qu
Background: Growing data suggest that DNA damage repair and detoxification pathways play crucial roles in radiation-induced toxicities. To determine whether common functional single-nucleotide polymorphisms (SNPs) in candidate genes from these pathways can be used as predictors of radiation pneumonitis (RP), we conducted a prospective study to evaluate the associations between functional SNPs and risk of RP. Methods: We recruited a total of 149 lung cancer patients who had received intensity modulated radiation therapy (IMRT)...
2018: Journal of Cancer
Olivier Nardi, Elizabeth Zavala, Claude Martin, Serafim Nanas, Thomas Scheeren, Andrea Polito, Xavi Borrat, Djillali Annane
OBJECTIVE: Evaluation of the ratio of oxyhaemoglobin to total haemoglobin in skeletal muscle (StO2 ) using near-infrared spectroscopy may aid in the monitoring of patients with sepsis. This study assessed the benefits and risks of targeting StO2 in adults with severe sepsis or septic shock. DESIGN: A European randomised controlled trial was performed on two parallel groups. SETTING: Five intensive care units (ICU) in France, Greece, Spain and Germany were used for the study...
March 19, 2018: BMJ Open
Yu-Tang Chin, Po-Li Wei, Yih Ho, André Wendindondé Nana, Chun A Changou, Yi-Ru Chen, Yu-Chen Sh Yang, Meng-Ti Hsieh, Aleck Hercbergs, Paul J Davis, Ya-Jung Shih, Hung-Yun Lin
Thyroid hormone as L-thyroxine (T4 ), has been shown to promote ovarian cancer cell proliferation via a receptor on plasma membrane integrin αvβ3 to induce the activation of ERK1/2 and expression of programmed death-ligand 1 (PD-L1) in cancer cells. In contrast, resveratrol binds to integrin αvβ3 at a discrete site and induces p53-dependent antiproliferation in malignant neoplastic cells. The mechanism of resveratrol action requires nuclear accumulation of inducible cyclooxygenase (COX)-2 and its complexation with phosphorylated ERK1/2...
March 19, 2018: Endocrine-related Cancer
Nanae Fukai, Ko Hiraoka, Shigeyuki Kajiki, Yuichi Kobayashi, Chatchai Thanachokswang, Sara Arphorn, Msamichi Uehara, Shigemoto Nakanishi, Koji Mori
We collected information necessary for conducting occupational health activities in Thailand with regard to occupational safety and health management systems (OSHMS). Based on an information collection check sheet developed in our previous research, we conducted a literature research and visited four local business bases, one ISO certification body and two higher educational institutions. The legal framework concerning occupational health in Thailand consists of the Occupational Safety, Health and Environment Act of 2011 and 13 ordinances from the Ministry of Labor under that act...
2018: Journal of UOEH
Colm Connaughton, Arghya Dutta, R Rajesh, Nana Siddharth, Oleg Zaboronski
We study the asymptotic properties of the steady state mass distribution for a class of collision kernels in an aggregation-shattering model in the limit of small shattering probabilities. It is shown that the exponents characterizing the large and small mass asymptotic behavior of the mass distribution depend on whether the collision kernel is local (the aggregation mass flux is essentially generated by collisions between particles of similar masses) or nonlocal (collision between particles of widely different masses give the main contribution to the mass flux)...
February 2018: Physical Review. E
Weili Fan, Yu Qi, Ranran Wang, Chen Xu, Nana Zhao, Fu-Jian Xu
Photodynamic therapy plays an important role in cancer treatment. In this work, methylene blue (MB)-embedded calcium carbonate nanorods (CaCO3 -MB NRs) have been synthesized for pH-responsive photodynamic therapy and ultrasound imaging. The morphology of CaCO3 -MB NRs can be controlled by modulating the concentration of Na2 CO3 aqueous solution. The generation of effective reactive oxygen species (ROS) were confirmed by 1,3-diphenylisobenzofuran (DPBF) probe. Both photodynamic therapy performance and echogenic performance of CaCO3 -MB NRs were investigated to confirm the feasibility of CaCO3 -MB nanohybrids for ultrasound image-guided photodynamic therapy...
March 14, 2018: Science China. Life Sciences
Morag Griffin, Austin Kulasekararaj, Shreyans Gandhi, Talha Munir, Stephen Richards, Louise Arnold, Nana Benson-Quarm, Nicola Copeland, Isabel Duggins, Kathryn Riley, Peter Hillmen, Judith Marsh, Anita Hill
No abstract text is available yet for this article.
March 15, 2018: Haematologica
Koichiro Ueki, Akinori Moroi, Takamitsu Tsutsui, Ryota Hiraide, Akihiro Takayama, Yuki Saito, Momoko Sato, Nana Baba, Tatsuya Tsunoda, Asami Hotta, Kunio Yoshizawa
PURPOSE: The purpose of this study was to compare time-course changes in temporomandibular joint (TMJ) space between mandibular advancement surgery and setback surgery after sagittal split ramus osteotomy (SSRO) and Le Fort I osteotomy. SUBJECTS AND METHODS: The subjects were 46 patients (92 joints) who underwent bi-maxillary surgery. The TMJ disc position was assessed by magnetic resonance imaging (MRI) and the anterior, superior, posterior, medial and lateral joint spaces were assessed by computed tomography (CT), preoperatively and at 1 week and 1 year postoperative...
February 9, 2018: Journal of Cranio-maxillo-facial Surgery
Michael E Paulaitis, Kitty Agarwal, Serge Patrick Nana-Sinkam
A model is proposed for characterizing exosome size distributions based on dynamic scaling of domain growth on the limiting membrane of multivesicular bodies in the established exosome biogenesis pathway. The scaling exponent in this model captures the asymmetry of exosome size distributions, which are notably right-skewed to larger vesicles independent of the minimum detectable vesicle size. Analyses of exosome size distributions obtained by cryo-TEM imaging and nanoparticle tracking (NTA) show, respectively, that the scaling exponent is sensitive to the state of the cell source for exosomes in cell culture supernatants, and can distinguish exosome size distributions in serum samples taken from cancer patients relative to those from healthy donors...
March 15, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
Shimpei Shirai, Megumi Hara, Yasuhisa Sakata, Nanae Tsuruoka, Koji Yamamoto, Ryo Shimoda, Yasuyuki Gomi, Hironori Yoshii, Kazuma Fujimoto, Ryuichi Iwakiri
Background and Aims: No reports have described the immunogenicity and boosting effect of the quadrivalent inactivated influenza vaccine (QIV) in adults with inflammatory bowel disease. Methods: Adults with Crohn's disease or ulcerative colitis were randomly assigned to a single vaccination group or booster group, and a QIV was administered subcutaneously. Serum samples were collected before vaccination, 4 weeks after vaccination, and after the influenza season in the single vaccination group...
March 9, 2018: Inflammatory Bowel Diseases
Junsei Taira, Rin Toyoshima, Nana Ameku, Akira Iguchi, Yasutomo Tamaki
Vanillin is valuable and popular flavor used in foods and cosmetics. Many bacteria species have the ability to decarboxylate substituted cinnamic acids in order to form vanillin. However, the phenolic biotransformation including vanillin production in a common fungus, the Aspergillus luchuensis, which is used in distilled beverages, has not yet been clarified. This study focused on elucidating the vanillin production due to phenolic biotransformation in A. luchuensis during fermentation. The phenolic metabolites were extracted by a solid phase column and they were determined using on LC/MS and LC/MS/MS in a selective ion mode...
March 13, 2018: AMB Express
Yayoi Adachi, Masataka Sawaki, Masaya Hattori, Akiyo Yoshimura, Noami Gondo, Haruru Kotani, Madoka Iwase, Ayumi Kataoka, Sakura Onishi, Kayoko Sugino, Mitsuo Terada, Nanae Horisawa, Makiko Mori, Isao Oze, Hiroji Iwata
BACKGROUND: Recent studies suggested that ALND (axillary lymph node dissection) can be avoided in breast cancer patients with limited SLN (sentinel lymph node) metastasis. However, these trials included only several invasive lobular carcinoma (ILC) cases, and the validity of omitting ALND for ILC remains controversial. Here, we examined whether omitting ALND is feasible in ILC treatment. METHODS: A total of 3771 breast cancer patients underwent surgery for breast cancer at the Aichi Cancer Center Hospital between January 2006 and December 2015...
March 13, 2018: Breast Cancer: the Journal of the Japanese Breast Cancer Society
Alvine C Kengne-Fokam, Hugues C Nana-Djeunga, Mohamed Bagayan, Flobert Njiokou
BACKGROUND: Intestinal schistosomiasis due to Schistosoma mansoni was mapped in Cameroon in the 1990s and preventive chemotherapy launched since 2005. A situation analysis conducted in 2011 revealed an increase in schistosomiasis transmission, especially in the equatorial part of the country, despite the fact that Biomphalaria pfeifferi, the main intermediate host of this parasite, is now scarce in many foci. Biomphalaria camerunensis, restricted to the equatorial part of the country, is considered as a less suitable host for S...
March 13, 2018: Parasites & Vectors
DeAnna E Beasley, Clint A Penick, Nana S Boateng, Holly L Menninger, Robert R Dunn
Many ectotherms show a decrease in body size with increasing latitude due to changes in climate, a pattern termed converse Bergmann's rule. Urban conditions-particularly warmer temperatures and fragmented landscapes-may impose stresses on development that could disrupt these body size patterns. To test the impact of urbanization on development and latitudinal trends in body size, we launched a citizen science project to collect periodical cicadas ( Magicicada septendecim ) from across their latitudinal range during the 2013 emergence of Brood II...
March 2018: Ecology and Evolution
Tryphena Adams, Nana Aba A Ennuson, Neils B Quashie, Godfred Futagbi, Sena Matrevi, Oheneba C K Hagan, Benjamin Abuaku, Kwadwo A Koram, Nancy O Duah
BACKGROUND: Plasmodium falciparum delayed clearance with the use of artemisinin-based combination therapy (ACTs) has been reported in some African countries. Single nucleotide polymorphisms (SNPs) in two genes, P. falciparum adaptor protein complex 2 mu subunit (pfap2mu) and ubiquitin specific protease 1 (pfubp1), have been linked to delayed clearance with ACT use in Kenya and recurrent imported malaria in Britain. With over 12 years of ACT use in Ghana, this study investigated the prevalence of SNPs in the pfap2mu and pfubp1 in Ghanaian clinical P...
March 12, 2018: Parasites & Vectors
Clement Isaac, Benjamin Igho Igbinosa, John Asekhaen Ohiolei, Catherine Eki Osimen
Some small mammals occur as household pests and harbour a number of parasites that could be of public health importance. This study profiled the helminth and protozoan parasites in trapped small mammals within and around human dwelling places (houses) located across 4 major towns (Auchi, Benin, Ekpoma, and Uromi) and environs in Edo state, Nigeria. Six genera ( Apodemus sp., Crocidura sp., Mastomys natalensis , Mus musculus , Rattus sp., and Sorex sp.) were identified from 502 trapped small mammals. Overall, M...
February 2018: Korean Journal of Parasitology
Kingsley K Duah, Edward K Essuman, Osca S Olympio, Worlah Akwetey, Vida Gyimah, Jeremiah O Yeboah
Commercial poultry production, although fairly well developed, continues to develop rapidly in Africa and other areas of the world. The local chickens, which may perhaps be harnessed and exploited for poverty alleviation, form part of the many local assets of underprivileged people living in the rural areas. In view of this, the study aims to investigate consumer acceptability of indigenous chicken meats using survey and sensory evaluation. The survey is comprised mainly of interviewing market women and supplying birds to them for sale in order to find answers to questions related to marketability or otherwise of the naked-neck, frizzled naked-neck, and normal-feathered cockerels...
March 8, 2018: Poultry Science
Annie Lannuzel, Régine Edragas, Angéla Lackmy, Benoit Tressières, Véronique Pelonde, Mireille Edimo Nana Kaptué, Sylvie Mécharles, Alexis Demas, Billy François, Eavan McGovern, Marie Vidailhet, Bertrand Gaymard, Emmanuel Roze
BACKGROUND: A high prevalence of an atypical levodopa-resistant parkinsonism has been reported in the Caribbean island of Guadeloupe. These seminal observations have not been replicated or extended to neighbouring populations who share genetic and environmental characteristics. METHODS: To further characterise this atypical parkinsonism we prospectively investigated 305 consecutive patients with neurodegenerative parkinsonism in a community-based population from Guadeloupe and Martinique, a neighbouring French Caribbean island where the population has similar environmental and genetic backgrounds...
February 6, 2018: Journal of the Neurological Sciences
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