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https://www.readbyqxmd.com/read/28434174/molecular-alterations-and-expression-dynamics-of-lats1-and-lats2-genes-in-non-small-cell-lung-carcinoma
#1
Showkat A Malik, Mosin S Khan, Majeed Dar, Mahboob Ul Hussain, Mohammad A Shah, Sheikh M Shafi, Syed Mudassar
Large tumor suppressor (LATS) is an important member of the Hippo pathway which can regulate organ size and cell proliferation. However, very little is known about the expression and clinical significance of LATS in lung cancer especially from this part of the world. We elucidated the frequency of LATS1 &LATS2 promoter hypermethylation (by methylation-specific PCR) and expression (by real-time PCR) in sixty nine (n = 69) Non-Small Cell Lung Cancer (NSCLC) patients and their corresponding normal lung tissue samples...
April 22, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28434139/neurological-manifestations-of-atypical-celiac-disease-in-childhood
#2
Çiğdem Genç Sel, Erhan Aksoy, Ayşe Aksoy, Deniz Yüksel, Ferda Özbay
Various typical and atypical neurological manifestations can be seen as the initial symptoms of celiac disease (CD). We suggest that gluten toxicity is the most suspicious triggering risk factor for probable pathophysiological pathways of neurological involvement in atypical CD. The medical charts of 117 patients diagnosed with atypical CD were retrieved from a tertiary center in Ankara, Turkey. Eight patients reported as having neurologic manifestations as initiating symptoms were evaluated in detail. The initial neurological manifestations of CD in our study included atypical absence, which was reported first in this study, generalized tonic-clonic seizures, complex partial seizures, severe axial hypotonia and down phenotype, multifocal leukoencephalopathy, mild optic neuritis, attention deficit hyperactivity disorder, and short duration headaches...
April 22, 2017: Acta Neurologica Belgica
https://www.readbyqxmd.com/read/28434116/activation-of-the-serotonin-pathway-is-associated-with-poor-outcome-in-copd-exacerbation-results-of-a-long-term-cohort-study
#3
Marc A Meier, Manuel Ottiger, Alaadin Vögeli, Christian Steuer, Luca Bernasconi, Robert Thomann, Mirjam Christ-Crain, Christoph Henzen, Claus Hoess, Werner Zimmerli, Andreas Huber, Beat Mueller, Philipp Schuetz
BACKGROUND/INTRODUCTION: Indoleamine 2,3-dioxygenase (IDO) metabolizes tryptophan to kynurenine. An increase of its activity is associated with severity in patients with pneumonia. In chronic obstructive pulmonary disease (COPD) patients, an elevation of serotonin has been reported. Experimental models showed that cigarette smoke inhibits monoamine oxidase (MAO) leading to higher levels of serotonin. We investigated the prognostic ability of tryptophan, serotonin, kynurenine, IDO, and tryptophan hydroxylase (TPH) to predict short- and long-term outcomes in patients with a COPD exacerbation...
April 22, 2017: Lung
https://www.readbyqxmd.com/read/28434112/dendritic-cell-based-vaccination-strategy-an-evolving-paradigm
#4
REVIEW
Anna C Filley, Mahua Dey
Malignant gliomas (MG), tumors of glial origin, are the most commonly diagnosed primary intracranial malignancies in adults. Currently available treatments have provided only modest improvements in overall survival and remain limited by inevitable local recurrence, necessitating exploration of novel therapies. Among approaches being investigated, one of the leading contenders is immunotherapy, which aims to modulate immune pathways to stimulate the selective destruction of malignant cells. Dendritic cells (DCs) are potent initiators of adaptive immune responses and therefore crucial players in the development and success of immunotherapy...
April 22, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28433655/targeting-sarcoma-tumor-initiating-cells-through-differentiation-therapy
#5
Dan Han, Veronica Rodriguez-Bravo, Elizabeth Charytonowicz, Elizabeth Demicco, Josep Domingo-Domenech, Robert G Maki, Carlos Cordon-Cardo
Human leukocyte antigen class I (HLA-I) down-regulation has been reported in many human cancers to be associated with poor clinical outcome. However, its connection to tumor-initiating cells (TICs) remains unknown. In this study, we report that HLA-I is down-regulated in a subpopulation of cells that have high tumor initiating capacity in different types of human sarcomas. Detailed characterization revealed their distinct molecular profiles regarding proliferation, apoptosis and stemness programs. Notably, these TICs can be induced to differentiate along distinct mesenchymal lineages, including the osteogenic pathway...
April 13, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28433649/chronic-nicotine-attenuates-behavioral-and-synaptic-plasticity-impairments-in-a-streptozotocin-model-of-alzheimer-s-disease
#6
Esteves Im, Lopes-Aguiar C, Rossignoli Mt, Ruggiero Rn, Broggini Acs, Bueno-Junior Ls, Kandratavicius L, Monteiro Mr, Romcy-Pereira Rn, Leite Jp
Brain glucose metabolism is altered in sporadic Alzheimer's disease (sAD), whose pathologies are reproduced in rodents by intracerebroventricular (icv) infusion of streptozotocin (STZ) in subdiabetogenic doses. The icv-STZ model also culminates in central cholinergic dysfunctions, which in turn are known to underlie both the sAD cognitive decline, and synaptic plasticity impairments. Considering the cognitive-enhancing potential of chronic nicotine (Nic), we investigated whether it attenuates icv-STZ-induced impairments in recognition memory and synaptic plasticity in a cognition-relevant substrate: the hippocampal CA1-medial prefrontal cortex (mPFC) pathway...
April 19, 2017: Neuroscience
https://www.readbyqxmd.com/read/28433598/mir-590-5p-a-density-sensitive-microrna-inhibits-tumorigenesis-by-targeting-yap1-in-colorectal-cancer
#7
Chunlin Ou, Zhenqiang Sun, Xiayu Li, Xiaoling Li, Weiguo Ren, Zailong Qin, Xuemei Zhang, Weitang Yuan, Jia Wang, Wentao Yu, Shiwen Zhang, Qiu Peng, Qun Yan, Wei Xiong, Guiyuan Li, Jian Ma
YAP1, a transcription co-activator, mediates the biological functions of the Hippo pathway. YAP1 inactivation is involved in cell-cell contact inhibition. In various tumors, YAP1 is upregulated through multiple mechanisms, and it functions as an oncogene. Here, we provided evidence that YAP1 influenced multiple signaling pathways in colorectal cancer (CRC) cells. We reported that miR-590-5p directly targets YAP1 and inhibits tumorigenesis in CRC cells both in vitro and in vivo xenograft model. We analyzed different cell densities and found that increased density caused increased expression of miR-590-5p, and decreased expression of its precursors (pri- and pre-miR-590)...
April 19, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28433428/effect-of-risk-acceptance-for-bundled-care-payments-on-clinical-outcomes-in-a-high-volume-total-joint-arthroplasty-practice-after-implementation-of-a-standardized-clinical-pathway
#8
James R Kee, Paul K Edwards, Charles L Barnes
BACKGROUND: The Bundled Payments for Care Improvement (BPCI) initiative and the Arkansas Payment Improvement (API) initiative seek to incentivize reduced costs and improved outcomes compared with the previous fee-for-service model. Before participation, our practice initiated a standardized clinical pathway (CP) to reduce length of stay (LOS), readmissions, and discharge to postacute care facilities. METHODS: This practice implemented a standardized CP focused on patient education, managing patient expectations, and maximizing cost outcomes...
March 16, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28432876/effect-of-pistachio-consumption-on-the-modulation-of-urinary-gut-microbiota-related-metabolites-in-prediabetic-subjects
#9
Pablo Hernández-Alonso, Daniel Cañueto, Simona Giardina, Jordi Salas-Salvadó, Nicolau Cañellas, Xavier Correig, Mònica Bulló
The specific nutritional composition of nuts could affect different metabolic pathways involved in a broad range of metabolic diseases. We therefore investigated whether chronic consumption of pistachio nuts modifies the urine metabolome in prediabetic subjects. We designed a randomized crossover clinical trial in 39 prediabetic subjects. They consumed a pistachio-supplemented diet (PD, 50% carbohydrates, 33% fat, including 57 g/d of pistachios daily) and a control diet (CD, 55% carbohydrates, 30% fat) for 4 months each, separated by a 2-week wash-out...
April 12, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28432700/serum-h-ficolin-levels-clinical-association-with-interstitial-lung-disease-in-patients-with-systemic-sclerosis
#10
Takuya Miyagawa, Yoshihide Asano, Yuka de Mestier, Ryosuke Saigusa, Takashi Taniguchi, Takashi Yamashita, Kouki Nakamura, Megumi Hirabayashi, Shunsuke Miura, Yohei Ichimura, Takehiro Takahashi, Ayumi Yoshizaki, Tomomitsu Miyagaki, Makoto Sugaya, Shinichi Sato
Ficolins, a group of oligomeric lectins consisting of three isoforms (H-, L- and M-ficolin), contribute to innate immunity via activating the complement pathway and/or acting directly as opsonins against pathogens and apoptotic cells. Because apoptotic cells likely drive the development of systemic sclerosis (SSc) partly through innate immunity, we assessed the clinical association of serum H-ficolin levels in SSc patients. Despite no difference in serum H-ficolin levels between SSc and control subjects, SSc patients with decreased serum H-ficolin levels tended to have a higher prevalence of interstitial lung disease (ILD)...
April 22, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28432648/rationale-for-new-checkpoint-inhibitor-combinations-in-melanoma-therapy
#11
Mario Mandalà, Carlo Tondini, Barbara Merelli, Daniela Massi
The use of monoclonal antibodies that block immunologic checkpoints, which mediate adaptive immune resistance, has revolutionized the treatment of metastatic melanoma patients. Specifically, targeting single immune suppressive molecules such as cytotoxic T lymphocyte-associated protein 4 (CTLA-4), or programmed cell death protein 1 (PD-1) expressed on T cells or its primary ligand, programmed cell death ligand 1 (PD-L1), resulted in pronounced clinical benefit for a subset of melanoma patients. Although single-agent immune checkpoint inhibitor therapy has demonstrated promising clinical activity in metastatic melanoma patients, there is still a significant proportion of patients who show primary resistance to these therapies...
April 21, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28432610/left-versus-right-does-location-matter-for-refractory-metastatic-colorectal-cancer-patients-in-phase-1-clinical-trials
#12
Sukeshi Patel Arora, Norma S Ketchum, Joel Michalek, Jonathon Gelfond, Devalingam Mahalingam
PURPOSE: Location of the primary tumor is prognostic and predictive of efficacy with VEGF-inhibitors (I) versus EGFR-I given first-line to metastatic colorectal cancer (mCRC) patients. However, little is known regarding the effect of location on prognosis and prediction in refractory mCRC. We assessed the efficacy of VEGF-I and EGFR-I in regards to location of the primary tumor in patients with refractory mCRC enrolled in early phase studies. METHODS: A historical cohort analysis of mCRC patients, including 44 phase I trials our institution, from March 2004 to September 2012...
April 22, 2017: Journal of Gastrointestinal Cancer
https://www.readbyqxmd.com/read/28432596/exploiting-the-wnt-signaling-pathway-for-clinical-purposes
#13
REVIEW
Mark L Johnson, Robert R Recker
PURPOSE OF REVIEW: The goal of this paper is to evaluate critically the literature published over the past 3 years regarding the Wnt signaling pathway. The Wnt pathway was found to be involved in bone biology in 2001-2002 with the discovery of a (G171V) mutation in the lipoprotein receptor-related protein 5 (LRP5) that resulted in high bone mass and another mutation that completely inactivated Lrp5 function and resulted in osteoporosis pseudoglioma syndrome (OPPG). The molecular biology has been complex, and very interesting...
April 21, 2017: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/28432432/tgf%C3%AE-splicing-and-canonical-pathway-activation-in-high-grade-serous-carcinoma
#14
Neriya Gutgold, Ben Davidson, Liora Jacobs Catane, Arild Holth, Ellen Hellesylt, Claes G Tropé, Anne Dørum, Reuven Reich
The present study analyzed the expression and clinical role of the transforming growth factor-β (TGFβ) pathway in high-grade serous carcinoma (HGSC), with focus on malignant effusions. TGFβ1-3 and TGFβRI-III mRNA expression by qRT-PCR was analyzed in 70 HGSC effusions and 55 solid specimens (28 ovarian, 27 abdominal metastases). Protein expression of Smad2 and Smad3 and their phosphorylated forms by Western blotting was analyzed in 73 specimens (42 effusions, 13 ovarian carcinomas, 18 solid metastases)...
April 21, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28432400/-the-intestinal-microbiome-and-metabolic-diseases-from-obesity-to-diabetes-and-nonalcoholic-steatohepatitis
#15
S C Bischoff
BACKGROUND: The intestinal microbiome consists of about 10 million genes, many of which encode digestive enzymes. This explains why animal and human experiments revealed that the intestinal microbiome adapts to food intake and optimizes energy harvest from food. This function is considered beneficial in states of lack of food, but following overnutrition, it might support the development of obesity. OBJECTIVES: The relevance of the intestinal microbiome for the pathogenesis of obesity and associated metabolic diseases such as fatty liver disease and type 2 diabetes mellitus and for the clinical management of such diseases shall be discussed...
April 21, 2017: Der Internist
https://www.readbyqxmd.com/read/28432343/cox-1-pge2-ep4-alleviates-mucosal-injury-by-upregulating-%C3%AE-arr1-mediated-akt-signaling-in-colitis
#16
Xiaojie Peng, Jianzhong Li, Siwei Tan, Minyi Xu, Jin Tao, Jie Jiang, Huiling Liu, Bin Wu
COX-1/PGE2 is an important protective mediator in ulcerative colitis (UC). β-arrestin1 (β-arr1), which acts as a scaffold protein, is involved in PGE2-mediated signaling pathways. However, the interaction between PGE2 and β-arr1 in maintaining mucosal barrier integrity remains unexplored. In this study, we demonstrated that COX-1 and PGE2 were significantly decreased, and EP4 mRNA was downregulated in both UC patients and mice during the injury phase. PGE2 treatment was found to alleviate mucosal injury and induce EP4 expression during dextran sulfate sodium (DSS)-induced colitis in wild-type (WT) mice...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28432326/a-novel-mechanism-linking-memory-stem-cells-with-innate-immunity-in-protection-against-hiv-1-infection
#17
Yufei Wang, Trevor Whittall, Stuart Neil, Gary Britton, Mukesh Mistry, Supachai Rerks-Ngarm, Punnee Pitisuttithum, Jaranit Kaewkungwal, Sorachai Nitayaphan, Xuesong Yu, Alicia Sato, Robert J O'Connell, Nelson L Michael, Merlin L Robb, Jerome H Kim, Thomas Lehner
HIV infection affects 37 million people and about 1.7 million are infected annually. Among the phase III clinical trials only the RV144 vaccine trial elicited significant protection against HIV-1 acquisition, but the efficacy and immune memory were inadequate. To boost these vaccine functions we studied T stem cell memory (TSCM) and innate immunity. TSCM cells were identified by phenotypic markers of CD4(+) T cells and they were further characterised into 4 subsets. These expressed the common IL-2/IL-15 receptors and another subset of APOBEC3G anti-viral restriction factors, both of which were upregulated...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28432006/stepwise-use-of-circulatory-support-devices-in-a-patient-refractory-to-cardiopulmonary-resuscitation
#18
Marco Spartera, Richard J Jabbour, Mauro Chiarito, Michele De Bonis, Federico Pappalardo
This case describes the management of a patient admitted to an emergency department with general malaise, who deteriorated into cardiac arrest and refractory to advanced life support measures. After extracorporeal cardiopulmonary resuscitation (eCPR) with veno-arterial extracorporeal membrane oxygenation in association with an Impella 2.5 device, the patient underwent cardiac surgery (tissue aortic valve replacement, coronary artery bypass grafting and implantation of short-term paracorporeal left ventricular assist device)...
April 8, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28431975/liposomal-curcumin-alters-chemosensitivity-of-breast-cancer-cells-to-adriamycin-via-regulating-microrna-expression
#19
Siying Zhou, Jian Li, Hanzi Xu, Sijie Zhang, Xiu Chen, Wei Chen, Sujin Yang, Shanliang Zhong, Jianhua Zhao, Jinhai Tang
BACKGROUND: Emerging evidence suggests that curcumin can overcome drug resistance to classical chemotherapies, but poor bioavailability and low absorption have limited its clinical use and the mechanisms remain unclear. Also, Adriamycin (Adr) is one of the most active cytotoxic agents in breast cancer; however, the high resistant rate of Adr leads to a poor prognosis. METHODS: We utilized encapsulation in liposomes as a strategy to improve the bioavailability of curcumin and demonstrated that liposomal curcumin altered chemosensitivity of Adr-resistant MCF-7 human breast cancer (MCF-7/Adr) by MTT assay...
April 18, 2017: Gene
https://www.readbyqxmd.com/read/28431800/genetic-predictors-of-antipsychotic-response-to-lurasidone-identified-in-a-genome-wide-association-study-and-by-schizophrenia-risk-genes
#20
Jiang Li, Akane Yoshikawa, Mark D Brennan, Timothy L Ramsey, Herbert Y Meltzer
Biomarkers which predict response to atypical antipsychotic drugs (AAPDs) increases their benefit/risk ratio. We sought to identify common variants in genes which predict response to lurasidone, an AAPD, by associating genome-wide association study (GWAS) data and changes (Δ) in Positive And Negative Syndrome Scale (PANSS) scores from two 6-week randomized, placebo-controlled trials of lurasidone in schizophrenia (SCZ) patients. We also included SCZ risk SNPs identified by the Psychiatric Genomics Consortium using a polygenic risk analysis...
April 18, 2017: Schizophrenia Research
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