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https://www.readbyqxmd.com/read/28214774/multimodality-imaging-of-bone-marrow-derived-dendritic-cell-migration-and-antitumor-immunity
#1
Su-Bi Ahn, Sang Bong Lee, Thoudam Debraj Singh, Sung Jin Cho, Sang Kyoon Kim, In-Kyu Lee, Shin Young Jeong, Byeong-Cheol Ahn, Jaetae Lee, Sang-Woo Lee, Yong Hyun Jeon
Here, we sought to monitor bone marrow-derived dendritic cell (BMDC) migration and antitumor effects using a multimodal reporter imaging strategy in living mice. BMDCs were transduced with retroviral vector harboring human sodium iodide symporter (hNIS, nuclear imaging reporter), firefly luc2 (optical imaging reporter), and thy1.1 (surrogate marker of NIS and luc2) genes (BMDC/NF cells). No significant differences in biological functions, including cell proliferation, antigen uptake, phenotype expression, and migration ability, were observed between BMDC and BMDC/NF cells...
February 16, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28214525/-is-there-an-optimal-diet-for-weight-management-and-metabolic-health
#2
George Thom, Mike Lean
Individuals can lose body weight and improve health status on a wide range of energy (calorie) restricted dietary interventions. In this paper, we have reviewed the effectiveness of the most commonly utilized diets, including low-fat, low-carbohydrate and Mediterranean approaches in addition to commercial slimming programmes, meal replacements and newly-popularized intermittent fasting diets. We also consider the role of artificial sweeteners in weight management. Low-fat diets tend to improve LDL-cholesterol most, whilst lower-carbohydrate diets may preferentially improve triglycerides and HDL-cholesterol, however differences between diets are marginal...
February 15, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28213063/impaired-spatial-performance-in-cerebellar-deficient-lurcher-mice-is-not-associated-with-their-abnormal-stress-response
#3
Jan Tuma, Yaroslav Kolinko, Dana Jelinkova, Pascal Hilber, Jan Cendelin
Both humans and laboratory animals suffering from cerebellar lesions exhibit cognitive as well as many emotional and behavioral abnormalities. These latter have been already observed in the cerebellar mutant mice currently used to highlight some aspect of autism spectrum disorders. The aim of this study was to investigate the influence of cerebellar-related stress response abnormalities on spatial learning and memory. Cerebellar-deficient Lurcher mutant mice were exposed to water environment without active escape possibility and then tested for spatial learning in the Morris water maze...
February 14, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28212632/exome-wide-association-study-identifies-genetic-polymorphisms-of-c12orf51-myl2-and-aldh2-associated-with-blood-lead-levels-in-the-general-korean-population
#4
Sang-Yong Eom, Myung Sil Hwang, Ji-Ae Lim, Byung-Sun Choi, Ho-Jang Kwon, Jung-Duck Park, Yong-Dae Kim, Heon Kim
BACKGROUND: Lead (Pb) is a ubiquitous toxic metal present in the environment that poses adverse health effects to humans. Inter-individual variation in blood Pb levels is affected by various factors, including genetic makeup. However, limited data are available on the association between genetic variation and blood Pb levels. The purpose of this study was to identify the genetic markers associated with blood Pb levels in the Korean population. METHODS: The study subjects consisted of 1,483 healthy adults with no history of occupational exposure to Pb...
February 17, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28212529/expression-of-the-cancer-stem-cell-markers-abcg2-and-oct-4-in-right-sided-colon-cancer-predicts-recurrence-and-poor-outcomes
#5
Jun Hu, Jian Li, Xin Yue, Jiacang Wang, Jianzhong Liu, Lin Sun, Dalu Kong
Right-sided colon cancer (RCC) has a poorer prognosis and a higher relapse rate than left-sided colon cancer (LCC). Like cancer stem cells (CSCs), RCC cells cannot be fully eradicated and are often involved in relapse or metastasis. Because CSCs may be linked with poor outcomes, CSC markers may have prognostic value in RCC. ATP-binding cassette sub-family G member 2 (ABCG2) and OCT-4 (also known as POU5F1) are among the most useful markers for CSC identification. We therefore examined the malignant behavior of ABCG2 and OCT-4 in vitro and in vivo, and their expression was assessed in pathology tissues obtained from clinicopathologically recurrent and non-recurrent cases...
February 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212525/ablation-of-ferroptosis-regulator-glutathione-peroxidase-4-in-forebrain-neurons-promotes-cognitive-impairment-and-neurodegeneration
#6
William Sealy Hambright, Rene Solano Fonseca, Liuji Chen, Ren Na, Qitao Ran
Synaptic loss and neuron death are the underlying cause of neurodegenerative diseases such as Alzheimer's disease (AD); however, the modalities of cell death in those diseases remain unclear. Ferroptosis, a newly identified oxidative cell death mechanism triggered by massive lipid peroxidation, is implicated in the degeneration of neurons populations such as spinal motor neurons and midbrain neurons. Here, we investigated whether neurons in forebrain regions (cerebral cortex and hippocampus) that are severely afflicted in AD patients might be vulnerable to ferroptosis...
February 1, 2017: Redox Biology
https://www.readbyqxmd.com/read/28211068/dentine-matrix-proteins-isolation-and-effects-on-human-pulp-cells
#7
M Widbiller, A Eidt, S R Lindner, K-A Hiller, H Schweikl, W Buchalla, K M Galler
AIM: To establish a simplified and efficient protocol for the isolation and concentration of matrix proteins from human dentine, and to assess the effects of extracted dentine matrix proteins (eDMP) on the behavior of human pulp cells. METHODOLOGY: Matrix proteins were isolated from human dentine, purified, concentrated and characterized with protein and enzyme-linked immunosorbent assays. Culture media were supplemented with eDMP in different concentrations, referred to as eDMP 1 to 10,000, to assess viability and proliferation of human pulp cells by DNA and MTT assays; apoptotic events were quantified by flow cytometry...
February 17, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28210575/cytokeratin-immunoprofile-of-primary-and-metastatic-adenoid-cystic-carcinoma-of-salivary-glands-a-report-of-two-cases
#8
Cibele Pidorodeski Nagano, Cláudia Malheiros Coutinho-Camillo, Clovis Antônio Pinto, Fernando Augusto Soares, Filipa Santos, Isabel Fonseca, Silvia Vanessa Lourenço
Distant metastases from salivary gland tumors are considered infrequent: the incidence of distant metastases ranges from 24% to 61% according to different histotypes and to the site of the primary mass. The most common site of distant metastases due to salivary gland malignancies is the lung. From the pathology point of view, cytokeratins (CK) are important differentiation markers in salivary gland tumors, which are often used for the diagnostic process. Their employment also may be useful to identify and confirm the diagnosis of their distant metastases...
October 2016: Autopsy & case reports
https://www.readbyqxmd.com/read/28210079/%C3%AE-2-heremans-schmid-glycoprotein-fetuin-a-downregulation-and-its-utility-in-inflammatory-bowel-disease
#9
Anastassios C Manolakis, Gregory Christodoulidis, Andreas N Kapsoritakis, Panagiotis Georgoulias, Elisavet K Tiaka, Kostas Oikonomou, Varvara J Valotassiou, Spyros P Potamianos
AIM: To investigate the impact of inflammatory bowel disease (IBD) on α2-Heremans-Schmid Glycoprotein (AHSG/fetuin A) and potential associations with disease and patient characteristics. METHODS: AHSG serum levels were determined in treatment-naïve newly-diagnosed patients, 96 with ulcerative colitis (UC), 84 with Crohn's disease (CD), 62 with diarrhea-predominant or mixed irritable bowel syndrome (IBS, D- and M- types) and 180 healthy controls (HC), by an enzyme linked immunosorbent assay (ELISA)...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28203208/changes-in-heart-rate-variability-recorded-in-natural-situation-with-t-shirt-integrated-sensors-and-level-of-observed-behavioral-excitation-a-pilot-study-of-patients-with-intellectual-disabilities-and-psychiatric-disorders
#10
Julie Palix, Michel Akselrod, Charly Cungi, Fabienne Giuliani, Jérôme Favrod
BACKGROUND: The present study investigates the possibilities of using heart rate variability (HRV) parameters as physiological markers that precede increase in observed behavioral excitation of intellectually disabled individuals. The ability to recognize or predict such patterns, especially in patients showing unpredictable reactions and language deficiencies, might be a major step forward in clinical research. METHOD: Thirteen volunteers with intellectual disabilities, who had suffered of at least one event of overt aggression in the preceding 3 months, participated to the study...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28202354/non-invasive-monitoring-of-physiological-markers-in-primates
#11
REVIEW
V Behringer, T Deschner
The monitoring of endocrine markers that inform about an animal's physiological state has become an invaluable tool for studying the behavioral ecology of primates. While the collection of blood samples usually requires the animal to be caught and immobilized, non-invasively collected samples of saliva, urine, feces or hair can be obtained without any major disturbance of the subject of interest. Such samples enable repeated collection which is required for matching behavioral information over long time periods with detailed information on endocrine markers...
February 12, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28199980/pd-l1-up-regulation-in-melanoma-increases-disease-aggressiveness-and-is-mediated-through-mir-17-5p
#12
Valentina Audrito, Sara Serra, Aureliano Stingi, Francesca Orso, Federica Gaudino, Cinzia Bologna, Francesco Neri, Giulia Garaffo, Romina Nassini, Gianna Baroni, Eliana Rulli, Daniela Massi, Salvatore Oliviero, Roberto Piva, Daniela Taverna, Mario Mandalà, Silvia Deaglio
PD-L1 is expressed by a subset of patients with metastatic melanoma (MM) with an unfavorable outcome. Its expression is increased in cells resistant to BRAF or MEK inhibitors (BRAFi or MEKi). However, the function and regulation of expression of PD-L1 remain incompletely understood.After generating BRAFi- and MEKi-resistant cell lines, we observed marked up-regulation of PD-L1 expression. These cells were characterized by a common gene expression profile with up-regulation of genes involved in cell movement...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28199934/mixed-corticomedullary-adrenal-carcinoma-case-report-comparison-in-features-treatment-and-prognosis-with-the-other-two-reported-cases
#13
Mhd Belal Alsabek, Riad Alhmaidi, Bader Ghazzawi, Ghiath Hamed, Alhadi Alseoudi
INTRODUCTION: Adrenal corticomedullary adenoma was reviewed in many cases in PubMed Library, While the coincidence corticomedullary adrenal carcinoma in the same gland was just described in two cases in the medical literature. Our case is the third to be reported and was treated with surgery and adjuvant chemotherapy and followed for two years. PRESENTATION OF CASE: A 50-year-old man suffered from a mass effect in the left abdominal side. While the laboratory showed a mild elevation in the levels of both serum cortisol and 24h urine cortisol, radiological images were highly suggested an adrenal malignant tumor without metastasis...
January 31, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28199073/cognitive-control-deficits-differentiate-adolescent-suicide-ideators-from-attempters
#14
Jeremy G Stewart, Catherine R Glenn, Erika C Esposito, Christine B Cha, Matthew K Nock, Randy P Auerbach
OBJECTIVE: Mental illness and suicidal ideation are among the strongest correlates of suicidal behaviors, but few adolescents with these risk factors make a suicide attempt. Therefore, it is critical to identify factors associated with the transition from suicide ideation to attempts. The present study tested whether deficits in cognitive control in the context of suicide-relevant stimuli (ie, suicide interference) reliably differentiated adolescent ideators and attempters. METHODS: Adolescents (n = 99; 71 girls) aged 13-18 years (mean = 15...
February 14, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28197636/mir-21-and-klf4-jointly-augment-epithelial%C3%A2-mesenchymal-transition-via-the-akt-erk1-2-pathway
#15
Chen-Hai Liu, Qiang Huang, Zhi-Yuan Jin, Cheng-Lin Zhu, Zhen Liu, Chao Wang
miR-21 induces epithelial-mesenchymal transition (EMT) of human cholangiocarcinoma (CCA) cells. However, the mechanism by which this occurs remains unclear. In the present study, high throughput platform was employed to detect the genes that are differential expressed in QBC939 cells transfected with a hsa-miR-21 antagomir or control vectors. The EMT-related Krüppel-like factor 4 (KLF4) gene was downregulated after miR-21 was knocked down. Overexpression of miR-21 upregulated KLF4, Akt, ERK and mesenchymal cell markers (N-cadherin and vimentin), downregulated the expression of epithelial cell marker E-cadherin and reduced cell migration and invasion...
February 14, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28196789/the-relationship-of-disordered-eating-attitudes-with-stress-level-bone-turnover-markers-and-bone-mineral-density-in-obese-adolescents
#16
Aslı Okbay Güneş, Müjgan Alikaşifoğlu, Ezgi Şen Demirdöğen, Ethem Erginöz, Türkay Demir, Mine Kucur, Oya Ercan
OBJECTIVE: To investigate the effect of stress caused by disordered eating attitudes on bone health in obese adolescents. METHODS: A cross-sectional study comprising 80 obese adolescents was performed from November 2013 to September 2014. Twenty-four-hour urinary free cortisol levels were measured as a biological marker of stress. Bone turnover was evaluated using bone-specific alkaline phosphatase, serum osteocalcin, and urinary N-telopeptide measurements. Bone mineral density was measured using dual-energy X-ray absorptiometry...
February 15, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28196356/therapeutic-hypothermia-provides-variable-protection-against-behavioral-deficits-after-neonatal-hypoxia-ischemia-a-potential-role-for-brain-derived-neurotrophic-factor
#17
Johana Diaz, Suleiman Abiola, Nancy Kim, Oliver Avaritt, Debra Flock, Jenny Yu, Frances J Northington, Raul Chavez-Valdez
BACKGROUND: Despite treatment with therapeutic hypothermia (TH), infants who survive hypoxic ischemic (HI) encephalopathy (HIE) have persistent neurological abnormalities at school age. Protection by TH against HI brain injury is variable in both humans and animal models. Our current preclinical model of hypoxia-ischemia (HI) and TH displays this variability of outcomes in neuropathological and neuroimaging end points with some sexual dimorphism. The detailed behavioral phenotype of this model is unknown...
February 15, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28195520/creating-colored-letters-familial-markers-of-grapheme-color-synesthesia-in-parietal-lobe-activation-and-structure
#18
Olympia Colizoli, Jaap M J Murre, H Steven Scholte, Romke Rouw
Perception is inherently subjective, and individual differences in phenomenology are well illustrated by the phenomenon of synesthesia (highly specific, consistent, and automatic cross-modal experiences, in which the external stimulus corresponding to the additional sensation is absent). It is unknown why some people develop synesthesia and others do not. In the current study, we tested whether neural markers related to having synesthesia in the family were evident in brain function and structure. Relatives of synesthetes (who did not have any type of synesthesia themselves) and matched controls read specially prepared books with colored letters for several weeks and were scanned before and after reading using magnetic resonance imaging...
February 14, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28194760/developmental-psychopathology-in-the-post-genomics-era-substantial-challenges-but-reasons-for-hope
#19
EDITORIAL
Jeffrey M Halperin
One only has to quickly look through the Table of Contents for this issue of JCPP to gain an appreciation of the ever-increasing influence of genetic research in the field of developmental psychopathology. Among the 13 articles in this issue that follow this editorial: two employ large family and/or twin studies to provide compelling behavioral genetic findings bolstering the importance of genes in the emergence of ADHD (Chen, Brikell, Lichtenstein, Serlachius, Kuja-Halkola, Sandin, and Larsson) and level of educational achievement in adolescents (Lewis, Asbury, and Plomin); one paper focuses on cortical development in patients with 22q11...
March 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28194153/nasal-polyp-derived-mesenchymal-stromal-cells-exhibit-lack-of-immune-associated-molecules-and-high-levels-of-stem-progenitor-cells-markers
#20
Pedro Wey Barbosa de Oliveira, Rogério Pezato, Juan Sebastian Henao Agudelo, Claudina Angela Perez-Novo, Wim Vanden Berghe, Niels Olsen Câmara, Danilo Candido de Almeida, Luís Carlos Gregorio
Mesenchymal stromal cells (MSCs) are considered adult progenitor stem cells and have been studied in a multitude of tissues. In this context, the microenvironment of nasal polyp tissue has several inflammatory cells, but their stroma compartment remains little elucidated. Hence, we isolated MSCs from nasal polyps Polyp-MSCs (PO-MSCs) and compared their molecular features and gene expression pattern with bone marrow-derived MSCs (BM-MSCs). Initially, both PO-MSCs and BM-MSCs were isolated, cultivated, and submitted to morphologic, differentiation, phenotypic, immunosuppressive, and gene expression assays...
2017: Frontiers in Immunology
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