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https://www.readbyqxmd.com/read/28634180/a-mutyh-germline-mutation-is-associated-with-small-intestinal-neuroendocrine-tumors
#1
Jan P Dumanski, Chiara Rasi, Peyman Björklund, Hanna Davies, Abir Salwa Ali, Malin Grönberg, Staffan Welin, Halfdan Sorbye, Henning Grønbæk, Janet Cunningham, Lars A Forsberg, Lars Lind, Erik Ingelsson, Peter Stalberg, Per Hellman, Eva Tiensuu Janson
The genetics behind predisposition to small intestinal neuroendocrine tumors (SI-NETs) is largely unknown, but there is growing awareness of a familial form of the disease. We aimed to identify germline mutations involved in the carcinogenesis of SI-NETs. The strategy included next-generation sequencing of exome- and/or whole-genome of blood DNA, and in selected cases tumor DNA, from 24 patients from 15 families with the history of SI-NETs. We identified seven candidate mutations in six genes that were further studied using 215 sporadic SI-NET patients...
June 20, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28634105/genetic-diversity-in-the-c-terminus-of-merozoite-surface-protein-1-among-plasmodium-knowlesi-isolates-from-selangor-and-sabah-borneo-malaysia
#2
Nan Jiun Yap, Xiang Ting Goh, Anson V Koehler, Timothy William, Tsin Wen Yeo, Indra Vythilingam, Robin B Gasser, Yvonne A L Lim
Plasmodium knowlesi, a malaria parasite of macaques, has emerged as an important parasite of humans. Despite the significance of P. knowlesi malaria in parts of Southeast Asia, very little is known about the genetic variation in this parasite. Our aim here was to explore sequence variation in a molecule called the 42kDa merozoite surface protein-1 (MSP-1), which is found on the surface of blood stages of Plasmodium spp. and plays a key role in erythrocyte invasion. Several studies of P. falciparum have reported that the C-terminus (a 42kDa fragment) of merozoite surface protein-1 (MSP-142; consisting of MSP-119 and MSP-133) is a potential candidate for a malaria vaccine...
June 17, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28632203/combined-assessment-of-dyrk1a-bdnf-and-homocysteine-levels-as-diagnostic-marker-for-alzheimer-s-disease
#3
N Janel, P Alexopoulos, A Badel, F Lamari, A C Camproux, J Lagarde, S Simon, C Feraudet-Tarisse, P Lamourette, M Arbones, J L Paul, B Dubois, M C Potier, M Sarazin, J M Delabar
Early identification of Alzheimer's disease (AD) risk factors would aid development of interventions to delay the onset of dementia, but current biomarkers are invasive and/or costly to assess. Validated plasma biomarkers would circumvent these challenges. We previously identified the kinase DYRK1A in plasma. To validate DYRK1A as a biomarker for AD diagnosis, we assessed the levels of DYRK1A and the related markers brain-derived neurotrophic factor (BDNF) and homocysteine in two unrelated AD patient cohorts with age-matched controls...
June 20, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28628926/synthesis-characterisation-molecular-docking-anti-microbial-and-anti-diabetic-screening-of-substituted-4-indolylphenyl-6-arylpyrimidine-2-imine-derivatives
#4
Veerasamy Ramya, Santhirakasu Vembu, Ganesan Ariharasivakumar, Manathusamy Gopalakrishnan
The purpose of the research is to synthesise a novel series of (E)-2-(4-(1H-indol-3-yl)-6-p-substituted phenylpyrimidin-2-yl)dimethylguanidine derivatives since 3-(1H-indol-3-yl)-1-p-substituted phenylprop-2-en-1-one and evaluate their molecular docking studies, antimicrobial, and anti-diabetic activities. Among all the synthesized compounds (11a-g), compound 11a exhibits excellent CDOCKER energy (-11.36 kcal/mol). The entire compounds (11a-g) confirm very good antimicrobial activity towards the tested microorganisms...
June 19, 2017: Drug Research
https://www.readbyqxmd.com/read/28626068/colorectal-cancer-screening-how-health-gains-and-cost-effectiveness-vary-by-ethnic-group-the-impact-on-health-inequalities-and-the-optimal-age-range-to-screen
#5
Melissa McLeod, Giorgi Kvizhinadze, Matt Boyd, Jan Barendregt, Diana Sarfati, Nick Wilson, Tony Blakely
Background Screening programmes consistently underserve indigenous populations despite a higher overall burden of cancer. In this study we explore the likely health gains and cost-effectiveness of a national colorectal cancer (CRC) screening programme for the indigenous Māori population of New Zealand (NZ). Methods A Markov model estimated: health benefits (QALYs), costs and cost-effectiveness of biennial immunochemical faecal occult blood testing (FOBTi) of 50-74 year olds, from 2011. Input parameters came from: literature reviews, the NZ Bowel Screening Programme Pilot, and NZ linked health datasets...
June 16, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28625261/-formulation-of-combined-predictive-indicators-using-logistic-regression-model-in-predicting-sepsis-and-prognosis
#6
Liwei Duan, Sheng Zhang, Zhaofen Lin
OBJECTIVE: To explore the method and performance of using multiple indices to diagnose sepsis and to predict the prognosis of severe ill patients. METHODS: Critically ill patients at first admission to intensive care unit (ICU) of Changzheng Hospital, Second Military Medical University, from January 2014 to September 2015 were enrolled if the following conditions were satisfied: (1) patients were 18-75 years old; (2) the length of ICU stay was more than 24 hours; (3) All records of the patients were available...
February 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28624701/2-substituted-thio-n-4-substituted-thiazol-1h-imidazol-2-yl-acetamides-as-bace1-inhibitors-synthesis-biological-evaluation-and%C3%A2-docking-studies
#7
Gang Yan, Lina Hao, Yan Niu, Wenjie Huang, Wei Wang, Fengrong Xu, Lei Liang, Chao Wang, Hongwei Jin, Ping Xu
In this work, a series of 2-substituted-thio-N-(4-substituted-thiazol/1H-imidazol-2-yl)acetamide derivatives were developed as β-secretase (BACE-1) inhibitors. Supported by docking study, a small library of derivatives were designed, synthesized and biologically evaluated in vitro. In addition, the selected compounds were tested with affinity (KD) towards BACE-1, blood brain barrier (BBB) permeability and cytotoxicity. The studies revealed that the most potent analog 41 (IC50 = 4.6 μM) with high predicted BBB permeability and low cellular cytotoxicity, could serve as a good lead structure for further optimization...
June 10, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28622333/acute-40-exchange-transfusion-with-hemoglobin-vesicles-in-a-mouse-pneumonectomy-model
#8
Mitsutomo Kohno, Tatsuhiko Ikeda, Ryo Hashimoto, Yotaro Izumi, Masazumi Watanabe, Hirohisa Horinouchi, Hiromi Sakai, Koichi Kobayashi, Masayuki Iwazaki
OBJECTIVES: Hemoglobin vesicles (HbVs) function as a red blood cell (RBC) substitute and are composed of purified hemoglobin encapsulated in a phospholipid bilayer membrane. The performance of HbVs as a substitute for RBC transfusions was examined in a mouse model of pneumonectomy following acute 40% exchange-transfusion with HbVs. METHODS: Before performing left pneumonectomies, 40% of the blood volume of mice was replaced with a) lactated Ringer's solution (control), b) 5% recombinant human serum albumin (rHSA), c) mouse RBCs shed in rHSA (mRBCs/rHSA), or d) HbV suspended in rHSA (HbV/rHSA)...
2017: PloS One
https://www.readbyqxmd.com/read/28617871/hypoxia-inducible-factor-1%C3%AE-plays-roles-in-epstein-barr-virus-s-natural-life-cycle-and-tumorigenesis-by-inducing-lytic-infection-through-direct-binding-to-the-immediate-early-bzlf1-gene-promoter
#9
Richard J Kraus, Xianming Yu, Blue-Leaf A Cordes, Saraniya Sathiamoorthi, Tawin Iempridee, Dhananjay M Nawandar, Shidong Ma, James C Romero-Masters, Kyle G McChesney, Zhen Lin, Kathleen R Makielski, Denis L Lee, Paul F Lambert, Eric C Johannsen, Shannon C Kenney, Janet E Mertz
When confronted with poor oxygenation, cells adapt by activating survival signaling pathways, including the oxygen-sensitive transcriptional regulators called hypoxia-inducible factor alphas (HIF-αs). We report here that HIF-1α also regulates the life cycle of Epstein-Barr virus (EBV). Incubation of EBV-positive gastric carcinoma AGS-Akata and SNU-719 and Burkitt lymphoma Sal and KemIII cell lines with a prolyl hydroxylase inhibitor, L-mimosine or deferoxamine, or the NEDDylation inhibitor MLN4924 promoted rapid and sustained accumulation of both HIF-1α and lytic EBV antigens...
June 15, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28615843/in-vitro-adaptability-of-plasmodium-falciparum-to-different-fresh-serum-alternatives
#10
Chandrajit Dohutia, Pradyumna K Mohapatra, Dibya Ranjan Bhattacharyya, Kabita Gogoi, Khukumoni Bora, Basanta K Goswami
To reduce the dependency on fresh AB(+) serum in continuous culture of Plasmodium falciparum, a comparative study was undertaken to assess the in vitro adaptability of P. falciparum to media supplemented with fresh AB(+) serum from whole blood, AB(+) plasma, serum derived from AB(+) plasma, AB(+) human serum from Sigma, Albumax II, fetal bovine serum and new born calf serum, independently and in different combinations. Combinations were used to analyze whether two different substitutes demonstrate any synergistic effect on the growth of the parasites...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28612173/evaluation-of-the-feeding-value-of-dichrostachys-cinerea-pods-for-fattening-pigs-in-cuba
#11
N Martín-Casas, M Reinoso-Pérez, J R García-Díaz, H H Hansen, M O Nielsen
Dichrostachys cinerea (L.) Wight & Arn. is a tropical leguminous shrub widely regarded as an invasive species in Cuba, after having invaded a significant proportion of its arable land during the past decades. Concurrently, smallholder pig producers are highly constrained by the scarcity of protein feeds. This study aimed to assess the feeding value of D. cinerea pod meal (DCPM) as an alternative protein supplement for pigs in Cuban smallholder production systems. An on-farm feeding trial was carried out with three groups (N = 10) of growing-fattening pigs over 60 days, where DCPM replaced 0, 15, and 30% in DM of a dietary commercial concentrate...
June 13, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28611530/comparison-between-laparoscopy-and-laparotomy-in-systematic-para-aortic-lymphadenectomy-for-patients-with-endometrial-cancer-a-retrospective-multicenter-study
#12
Tomohito Tanaka, Yoshito Terai, Shigenori Hayashi, Daisuke Aoki, Michiyasu Miki, Eiji Kobayashi, Tadashi Kimura, Tsukasa Baba, Noriomi Matsumura, Masahide Ohmichi
Objective: Laparoscopic surgery has been developed worldwide due to its minimal invasion as well as noninferiority, compared with laparotomy. However, whether or not laparoscopic systematic para-aortic lymphadenectomy for endometrial cancer is feasible and has advantages of various clinical factors, such as a short hospital stay, less blood loss, and faster recovery, compared with open surgery has not yet been clarified. The aim of this study was to compare a laparoscopic procedure with laparotomy for para-aortic lymphadenectomy for patients with endometrial cancer...
June 1, 2017: Journal of Gynecologic Surgery
https://www.readbyqxmd.com/read/28608536/feeding-value-of-whole-raw-soya-beans-as-a-protein-supplement-for-beef-cattle-consuming-low-quality-forages
#13
H M Arelovich, S Lagrange, R Torre, M F Martinez, H E Laborde
Experiments (Exp) I and II were conducted to compare raw whole soya beans (WSB), roasted (rWSB) or other protein sources as supplements of low-quality forages fed ad libitum to beef cattle, upon DM intake (DMI), ruminal and blood parameters, and animal performance. Exp I: treatments for wheat straw fed to four ruminally cannulated steers were (i) Control-WS: no supplement; (ii) WSB-WS: whole soya beans; (iii) rWSB-WS: roasted WSB; and (iv) SBM-WS: soybean meal-wheat midds mixture; all fed at 1.4 kg DM/day...
June 13, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28606809/animal-derived-natural-products-used-in-the-bhutanese-sowa-riga-medicine
#14
Karma Yeshi, Paolo Morisco, Phurpa Wangchuk
ETHNOPHARMACOLOGICAL RELEVANCE: Bhutan has two traditional healing systems: a folklore medicine and the Bhutanese Sowa Rigpa medicine (BSM). Three different types of ingredients namely plants, animals (and their derived products) and minerals are used for the preparation of various formulations in combined form. Animals and their derived products are vital ingredients in the preparation of numerous traditional remedies. Unlike medicinal plants, research on medicinal animals has remained largely untouched...
June 9, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28605144/musculoskeletal-disease-in-mda5-related-type-i-interferonopathy-a-mendelian-mimic-of-jaccoud-s-arthropathy
#15
Luciana Martins de Carvalho, Gonza Ngoumou, Ji Woo Park, Nadja Ehmke, Nikolaus Deigendesch, Naoki Kitabayashi, Isabelle Melki, Flávio Falcäo L Souza, Andreas Tzschach, Marcello H Nogueira-Barbosa, Virgínia Ferriani, Paulo Louzada-Junior, Wilson Marques Junior, Charles M Lourenço, Prof Denise Horn, Tilmann Kallinich, Werner Stenzel, Sun Hur, Gillian I Rice, Yanick J Crow
Objectives To define the molecular basis of a multisystem phenotype with progressive musculoskeletal disease of the hands and feet including camptodactyly, subluxation and tendon rupture reminiscent of Jaccoud's arthropathy. Methods We ascertained two families segregating an autosomal dominant phenotype encompassing musculoskeletal disease and variable additional features including psoriasis, dental abnormalities, cardiac valve involvement, glaucoma and basal ganglia calcification. We measured the expression of interferon-stimulated genes in peripheral blood and skin, and undertook targeted Sanger sequencing of the IFIH1 gene encoding the cytosolic double-stranded RNA sensor MDA5...
June 12, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28604971/-a-case-of-bw39-subtype-caused-by-562c-to-t-mutation-of-exon-7-of-%C3%AE-1-3-d-galactosyltransferase-gene
#16
Bijin Wang, Lili Shi, Lin Wang, Yanchun Liu, Ling Ma, Ruoyang Zhang
OBJECTIVE: To analyze a sample with ABO subgroup using serological and molecular methods. METHODS: The ABO phenotype of the sample was determined with a tube method, and the activity of glycosyltransferases was determined with an uridine diphosphate galactose transferring method. The ABO gene of the propositus was identified by PCR with sequence-specific primers (PCR-SSP). In addition, exons 6 and 7 of the ABO gene were cloned and sequenced. RESULTS: Neither A nor B antigen was identified in the propositus, despite that its anti-B antibody was found to be attenuated...
June 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28604413/single-chain-factor-xii-a-new-form-of-activated-factor-xii
#17
Ivan Ivanov, Anton Matafonov, David Gailani
PURPOSE OF REVIEW: Exposure of blood to foreign surfaces induces reciprocal conversion of the plasma proteins factor XII (fXII) and plasma prekallikrein (PPK) to the proteases α-fXIIa and α-kallikrein. This process, called contact activation, has a range of effects on host defence mechanisms, including promoting coagulation. The nature of the triggering mechanism for contact activation is debated. One hypothesis predicts that fXII has protease activity, either intrinsically or upon surface-binding, that initiates contact activation...
June 9, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28603626/physiologically-based-pharmacokinetic-modeling-of-tea-catechin-mixture-in-rats-and-humans
#18
Francis C P Law, Meicun Yao, Hui-Chang Bi, Stephen Lam
Although green tea (Camellia sinensis) (GT) contains a large number of polyphenolic compounds with anti-oxidative and anti-proliferative activities, little is known of the pharmacokinetics and tissue dose of tea catechins (TCs) as a chemical mixture in humans. The objectives of this study were to develop and validate a physiologically based pharmacokinetic (PBPK) model of tea catechin mixture (TCM) in rats and humans, and to predict an integrated or total concentration of TCM in the plasma of humans after consuming GT or Polyphenon E (PE)...
June 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28599463/cancer-gene-panel-analysis-of-cultured-circulating-tumor-cells-and-primary-tumor-tissue-from-patients-with-breast-cancer
#19
Eunjoo Hwang, Ji-Hyun Uh, Hye Seon Lee, Cham Han Lee, Soo Jeong Lee, Sei Hyun Ahn, Byung Ho Son, Jong Won Lee, Jong Han Yu, Nak-Jung Kwon, Woo Chung Lee, Kap-Seok Yang, Sung Ho Choi, Myoung Shin Kim, Jinseon Lee, Byung Hee Jeon
Although numerous effective therapies have improved the survival rate of patients with breast cancer, a number of patients present with tumor recurrence and metastasis. A liquid biopsy of circulating tumor cells (CTC) is a non-invasive method to obtain tumor cells and may be used as substitute for a tumor tissue biopsy. The present study focuses on determining whether CTC culture is an optimal method of obtaining sufficient amounts of CTCs for molecular analysis. The current study demonstrates a method of isolating and culturing CTCs from patients with breast cancer and the construction of a molecular profile of cultured cells using the Ion AmpliSeq Cancer Gene Panel V2...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28596649/use-of-surrogate-samples-to-monitor-ph-during-high-dose-methotrexate-therapy
#20
Uday Yanamandra, Pooja Chauhan, Deepesh Lad, Alka Khadwal, Gaurav Prakash, Subhash Varma, Pankaj Malhotra
High dose methotrexate (Mtx) therapy is commonly used in hemato-oncological practice. Alkalization of urine is a part of high dose methotrexate therapy for preventing crystallization in urine to avert renal insufficiency. Alkalization is monitored by urine pH at regular intervals. Oral pH has occasionally been used as a surrogate for oral mucositis. To compare and correlate pH of various body secretions (venous blood, oral salivary, lacrimal and urine) among patients undergoing alkalization with intravenous sodium bicarbonate during high dose methotrexate therapy...
June 2017: Indian Journal of Hematology & Blood Transfusion
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