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https://www.readbyqxmd.com/read/28346426/mrl-proteins-cooperate-with-activated-ras-in-glia-to-drive-distinct-oncogenic-outcomes
#1
E Taylor, N Alqadri, L Dodgson, D Mason, E Lyulcheva, G Messina, D Bennett
The Mig10/RIAM/Lpd (MRL) adapter protein Lpd regulates actin dynamics through interactions with Scar/WAVE and Ena/VASP proteins to promote the formation of cellular protrusions and to stimulate invasive migration. However, the ability of MRL proteins to interact with multiple actin regulators and to promote serum response factor (SRF) signalling has raised the question of whether MRL proteins employ alternative downstream mechanisms to drive oncogenic processes in a context-dependent manner. Here, using a Drosophila model, we show that overexpression of either human Lpd or its Drosophila orthologue Pico can promote growth and invasion of Ras(V12)-induced cell tumours in the brain...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28346333/clinical-benefits-of-n-3-pufa-and-%C3%A9-linolenic-acid-in-patients-with-rheumatoid-arthritis
#2
Mirjana Veselinovic, Dragan Vasiljevic, Vesna Vucic, Aleksandra Arsic, Snjezana Petrovic, Aleksandra Tomic-Lucic, Maja Savic, Sandra Zivanovic, Vladislava Stojic, Vladimir Jakovljevic
(1) Background: Marine n-3 polyunsaturated fatty acids (PUFA) and ɤ-linolenic acid (GLA) are well-known anti-inflammatory agents that may help in the treatment of inflammatory disorders. Their effects were examined in patients with rheumatoid arthritis; (2) Methods: Sixty patients with active rheumatoid arthritis were involved in a prospective, randomized trial of a 12 week supplementation with fish oil (group I), fish oil with primrose evening oil (group II), or with no supplementation (group III). Clinical and laboratory evaluations were done at the beginning and at the end of the study; (3) Results: The Disease Activity Score 28 (DAS 28 score), number of tender joints and visual analogue scale (VAS) score decreased notably after supplementation in groups I and II (p < 0...
March 25, 2017: Nutrients
https://www.readbyqxmd.com/read/28346318/predictors-of-impaired-hdl-function-in-hiv-1-infected-compared-to-uninfected-individuals
#3
Theodoros Kelesidis, Michael N Oda, Mark S Borja, Yumin Yee, Kit F Ng, Diana Huynh, David Elashoff, Judith S Currier
OBJECTIVE: HDL function rather than absolute level may be a more accurate indicator for cardiovascular disease (CVD). Novel methods can measure HDL function using patient samples. The objective of this study is to identify factors that may contribute to HDL dysfunction in chronic, treated HIV-1 infection. DESIGN: Retrospective study of HDL function measured in two ways in HIV-1 infected males with low overall CVD risk and healthy males with no known CVD risk matched by race to the HIV-1 infected participants...
March 23, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28346289/%C3%AE-blocker-use-and-reduced-disease-progression-in-patients-with-thick-melanoma-8-years-of-follow-up
#4
Vincenzo De Giorgi, Marta Grazzini, Silvia Benemei, Niccolò Marchionni, Pierangelo Geppetti, Sara Gandini
Previous observational studies have reported the protective effect of β-blockers on the progression of different types of cancers. In 2011, we published a prospective study, including patients with histologically confirmed malignant melanoma in stage II-IIIA. In total, 25% of them reported previous use of β-blockers that were administered at any time for any other diseases. After a median follow-up of 2.5 years, 34% of the patients in the untreated group showed disease progression. In contrast, only 3% of the patients in the treated group showed progression...
March 24, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28346122/non-targeted-metabolomics-in-sport-and-exercise-science
#5
Liam M Heaney, Kevin Deighton, Toru Suzuki
Metabolomics incorporates the study of metabolites that are produced and released through physiological processes at both the systemic and cellular levels. Biological compounds at the metabolite level are of paramount interest in the sport and exercise sciences, although research in this field has rarely been referred to with the global 'omics terminology. Commonly studied metabolites in exercise science are notably within cellular pathways for adenosine triphosphate production such as glycolysis (e.g., pyruvate and lactate), β-oxidation of free fatty acids (e...
March 27, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28346097/an-optimized-3d-coculture-assay-for-preclinical-testing-of-pro-and-antiangiogenic-drugs
#6
Daniela Unterleuthner, Nina Kramer, Karoline Pudelko, Alexandra Burian, Markus Hengstschläger, Helmut Dolznig
Angiogenesis is a promising target for anticancer therapies, but also for treating other diseases with pathologic vessel development. Targeting the vascular endothelial growth factor (VEGF) pathway did not proof as effective as expected due to emerging intrinsic resistance mechanisms, as well as stromal contributions leading to drug insensitivity. Therefore, alternative strategies affecting the interaction of endothelial cells (ECs) with other stromal cells seem to be more promising. Human preclinical in vitro angiogenesis models successfully recapitulating these interactions are rare, and two-dimensional (2D) cell cultures cannot mimic tissue architecture in vivo...
January 1, 2017: SLAS Discov
https://www.readbyqxmd.com/read/28345767/nlrp3-inflammasome-its-regulation-and-involvement-in-atherosclerosis
#7
REVIEW
Zahra Hoseini, Fatemeh Sepahvand, Bahman Rashidi, Amirhossein Sahebkar, Aria Masoudifar, Hamed Mirzaei
Inflammasomes are intracellular complexes involved in the innate immunity that convert proIL-1β and proIL-18 to mature forms and initiate pyroptosis via cleaving procaspase-1. The most well-known inflammasome is NLRP3. Several studies have indicated a decisive and important role of NLRP3 inflammasome, IL-1β, IL-18, and pyroptosis in atherosclerosis. Modern hypotheses introduce atherosclerosis as an inflammatory/lipid-based disease and NLRP3 inflammasome has been considered as a link between lipid metabolism and inflammation because crystalline cholesterol and oxidized low-density lipoprotein (oxLDL) (two abundant components in atherosclerotic plaques) activate NLRP3 inflammasome...
March 27, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28345696/interfacially-al-doped-zno-nanowires-greatly-enhanced-near-band-edge-emission-through-suppressed-electron-phonon-coupling-and-confined-optical-field
#8
Yiming Wu, Yanmeng Dai, Shenlong Jiang, Chao Ma, Yue Lin, Dongxue Du, Yukun Wu, Huaiyi Ding, Qun Zhang, Nan Pan, Xiaoping Wang
Aluminium (Al)-doped zinc oxide (ZnO) nanowires (NWs) with a unique core-shell structure and a Δ-doping profile at the interface were successfully grown using a combination of chemical vapor deposition re-growth and few-layer AlxOy atomic layer deposition. Unlike the conventional heavy doping which degrades the near-band-edge (NBE) luminescence and increases the electron-phonon coupling (EPC), it was found that there was an over 20-fold enhanced NBE emission and a notably-weakened EPC in this type of interfacially Al-doped ZnO NWs...
March 27, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28345588/macrophages-induce-akt-%C3%AE-catenin-dependent-lgr5-stem-cell-activation-and-hair-follicle-regeneration-through-tnf
#9
Xusheng Wang, Haiyan Chen, Ruiyun Tian, Yiling Zhang, Marina S Drutskaya, Chengmei Wang, Jianfeng Ge, Zhimeng Fan, Deqiang Kong, Xiaoxiao Wang, Ting Cai, Ying Zhou, Jingwen Wang, Jinmei Wang, Shan Wang, Zhihai Qin, Huanhuan Jia, Yue Wu, Jia Liu, Sergei A Nedospasov, Edward E Tredget, Mei Lin, Jianjun Liu, Yuyang Jiang, Yaojiong Wu
Skin stem cells can regenerate epidermal appendages; however, hair follicles (HF) lost as a result of injury are barely regenerated. Here we show that macrophages in wounds activate HF stem cells, leading to telogen-anagen transition (TAT) around the wound and de novo HF regeneration, mostly through TNF signalling. Both TNF knockout and overexpression attenuate HF neogenesis in wounds, suggesting dose-dependent induction of HF neogenesis by TNF, which is consistent with TNF-induced AKT signalling in epidermal stem cells in vitro...
March 27, 2017: Nature Communications
https://www.readbyqxmd.com/read/28345491/a-comparison-of-toxicities-in-acute-myeloid-leukemia-patients-with-and-without-renal-impairment-treated-with-decitabine
#10
Lauren B Levine, Julianna Vf Roddy, Miryoung Kim, Junan Li, Gary Phillips, Alison R Walker
Purpose There are limited data regarding the clinical use of decitabine for the treatment of acute myeloid leukemia in patients with a serum creatinine of 2 mg/dL or greater. Methods We retrospectively evaluated 111 patients with acute myeloid leukemia who had been treated with decitabine and compared the development of toxicities during cycle 1 in those with normal renal function (creatinine clearance greater than or equal to 60 mL/min) to those with renal dysfunction (creatinine clearance less than 60 mL/min)...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/28345453/tumor-suppressor-mir-29c-regulates-radioresistance-in-lung-cancer-cells
#11
Elena Arechaga-Ocampo, Cesar Lopez-Camarillo, Nicolas Villegas-Sepulveda, Claudia H Gonzalez-De la Rosa, Isidro X Perez-Añorve, Reynalda Roldan-Perez, Ali Flores-Perez, Omar Peña-Curiel, Oscar Angeles-Zaragoza, Rosalva Rangel Corona, Juan A Gonzalez-Barrios, Raul Bonilla-Moreno, Oscar Del Moral-Hernandez, Luis A Herrera, Alejandro Garcia-Carranca
Radiotherapy is an important treatment option for non-small cell lung carcinoma patients. Despite the appropriate use of radiotherapy, radioresistance is a biological behavior of cancer cells that limits the efficacy of this treatment. Deregulation of microRNAs contributes to the molecular mechanism underlying resistance to radiotherapy in cancer cells. Although the functional roles of microRNAs have been well described in lung cancer, their functional roles in radioresistance are largely unclear. In this study, we established a non-small cell lung carcinoma Calu-1 radioresistant cell line by continuous exposure to therapeutic doses of ionizing radiation as a model to investigate radioresistance-associated microRNAs...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28345338/study-of-arylamine-substituted-porphyrins-as-hole-transporting-materials-in-high-performance-perovskite-solar-cells
#12
Song Chen, Peng Liu, Yong Hua, Yuanyuan Li, Lars Kloo, Xingzhu Wang, Beng S Ong, Wai-Kwok Wong, Xunjin Zhu
To develop new hole transporting materials (HTMs) for efficient and stable perovskite solar cells (PSCs), 5,10,15,20-tetrakis{4-[N,N-di(4-methoxylphenyl)amino-phenyl]}- porphyrin has been prepared in gram scale through the direct condensation of pyrrole and 4-[bis(4-methoxyphenyl)amino]benzaldehyde. Its Zn(II) and Cu(II) complexes exhibit excellent thermal and electrochemical stability, specifically, high hole mobility and very favorable energetics for hole extraction that render them a new class of HTMs in organometallic halide perovskite solar cells (PSCs)...
March 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28345316/the-implication-of-coronary-artery-calcium-testing-for-cardiovascular-disease-prevention-and-diabetes
#13
REVIEW
Ron Blankstein, Ankur Gupta, Jamal S Rana, Khurram Nasir
Over the last two decades coronary artery calcium (CAC) scanning has emerged as a quick, safe, and inexpensive method to detect the presence of coronary atherosclerosis. Data from multiple studies has shown that compared to individuals who do not have any coronary calcifications, those with severe calcifications (i.e., CAC score >300) have a 10-fold increase in their risk of coronary heart disease events and cardiovascular disease. Conversely, those that have a CAC of 0 have a very low event rate (~0.1%/year), with data that now extends to 15 years in some studies...
March 2017: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28345026/oncolytic-adenoviruses-armed-with-tumor-necrosis-factor-alpha-and-interleukin-2-enable-successful-adoptive-cell-therapy
#14
Riikka Havunen, Mikko Siurala, Suvi Sorsa, Susanna Grönberg-Vähä-Koskela, Michael Behr, Siri Tähtinen, João Manuel Santos, Pauliina Karell, Juuso Rusanen, Dirk M Nettelbeck, Anja Ehrhardt, Anna Kanerva, Akseli Hemminki
Adoptive cell therapy holds much promise in the treatment of cancer but results in solid tumors have been modest. The notable exception is tumor-infiltrating lymphocyte (TIL) therapy of melanoma, but this approach only works with high-dose preconditioning chemotherapy and systemic interleukin (IL)-2 postconditioning, both of which are associated with toxicities. To improve and broaden the applicability of adoptive cell transfer, we constructed oncolytic adenoviruses coding for human IL-2 (hIL2), tumor necrosis factor alpha (TNF-α), or both...
March 17, 2017: Molecular Therapy Oncolytics
https://www.readbyqxmd.com/read/28344882/tumor-pd-l1-expression-is-correlated-with-increased-tils-and-poor-prognosis-in-penile-squamous-cell-carcinoma
#15
Chuangzhong Deng, Zaishang Li, Shengjie Guo, Peng Chen, Xiaofeng Chen, Qianghua Zhou, Jieping Chen, Xingsu Yu, Xiaoliang Wu, Wenjuan Ma, Qiankun Xie, Yunlin Ye, Yonghong Li, Zike Qin, Zhuowei Liu, Ranyi Liu, Zhenfeng Zhang, Kai Yao, Hui Han, Fangjian Zhou
Despite its rare incidence worldwide, penile squamous cell carcinoma (PeSCC) still presents with significant morbidity and mortality due to the limited treatment options for advanced patients, especially those in developing countries. The program death-1 (PD-1)/PD-1 ligand (PD-L1) axis has been demonstrated to play an important role in tumor immune escape, and immunotherapies targeting this pathway have shown great success in certain cancer types. Here, we analyzed the expression pattern of PD-L1 in tumor cells and tumor-infiltrating lymphocytes (TILs) in PeSCC with a multi-center cohort...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344870/immunological-profiling-of-molecularly-classified-high-risk-endometrial-cancers-identifies-pole-mutant-and-microsatellite-unstable-carcinomas-as-candidates-for-checkpoint-inhibition
#16
Florine A Eggink, Inge C Van Gool, Alexandra Leary, Pamela M Pollock, Emma J Crosbie, Linda Mileshkin, Ekaterina S Jordanova, Julien Adam, Luke Freeman-Mills, David N Church, Carien L Creutzberg, Marco De Bruyn, Hans W Nijman, Tjalling Bosse
High-risk endometrial cancer (EC) is an aggressive disease for which new therapeutic options are needed. Aims of this study were to validate the enhanced immune response in highly mutated ECs and to explore immune profiles in other EC subgroups. We evaluated immune infiltration in 116 high-risk ECs from the TransPORTEC consortium, previously classified into four molecular subtypes: (i) ultramutated POLE exonuclease domain-mutant ECs (POLE-mutant); (ii) hypermutated microsatellite unstable (MSI); (iii) p53-mutant; and (iv) no specific molecular profile (NSMP)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344868/langerhans-cells-and-nk-cells-cooperate-in-the-inhibition-of-chemical-skin-carcinogenesis
#17
Daniela Ortner, Christoph H Tripp, Kerstin Komenda, Sandrine Dubrac, Bernhard Zelger, Martin Hermann, Wolfgang Doppler, Piotr Z Tymoszuk, Louis Boon, Björn E Clausen, Patrizia Stoitzner
Tissue immunosurveillance is an important mechanism to prevent cancer. Skin treatment with the carcinogen 7,12-dimethylbenz(a)anthracene (DMBA), followed by the tumor promoter 12-O-tetra-decanoyl-phorbol-13-acetate (TPA), is an established murine model for squamous cell carcinoma (SCC). However, the innate immunological events occurring during the initiation of chemical carcinogenesis with DMBA remain elusive. Here, we discovered that natural killer (NK) cells and Langerhans cells (LC) cooperate to impair this oncogenic process in murine skin...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344862/expression-profiles-of-immune-related-genes-are-associated-with-neoadjuvant-ipilimumab-clinical-benefit
#18
Ahmad A Tarhini, Yan Lin, Hui-Min Lin, Priyanka Vallabhaneni, Cindy Sander, William LaFramboise, Lana Hamieh
Purpose: Patients with regionally advanced melanoma were treated with neoadjuvant ipilimumab in a previously reported study (PLOS One 2014). Gene expression profiles of tumors of treated patients were investigated for their association with immunotherapeutic benefit. Methods: Patients were treated with ipilimumab (10 mg/kg intravenously every 3 weeks × 2 doses) before and after surgery. Tumor specimens were obtained at baseline and at definitive surgery (weeks 6-8). Gene expression profiling was performed on the tumor biopsies of 27 patients...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28344844/effort-reward-imbalance-at-work-parental-support-and-suicidal-ideation-in-adolescents-a-cross-sectional-study-from-chinese-dual-earner-families
#19
Jian Li, Adrian Loerbroks, Johannes Siegrist
BACKGROUND: In contemporary China, most parents are dual-earner couples and there is only one child in the family. We aimed to examine the associations of parents' work stress with suicidal ideation among the corresponding adolescent. We further hypothesized that low parental support experienced by adolescents may mediate the associations. METHODS: Cross-sectional data from school students and their working parents were used, with 907 families from Kunming City, China...
March 2017: Safety and Health At Work
https://www.readbyqxmd.com/read/28344831/indole-fused-benzooxazepines-a-new-structural-class-of-anticancer-agents
#20
Ashok K Singh, Vinit Raj, Amit Rai, Amit K Keshari, Sudipta Saha
AIM: A new series of compounds (1a-16a) bearing indole-fused benzooxazepine was synthesized, characterized and evaluated for anticancer activity. MATERIALS & METHODS: In this study, all the synthesized compounds were screened via in vitro anticancer testing on Hep-G2 cancer cell line. A computational study was carried out on cancer-related targets including IL-2, IL-6, COX-2 Caspase-3 and Caspase-8. RESULTS: Some of the synthesized compounds effectively controlled the growth of cancerous cells...
March 2017: Future Science OA
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