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https://www.readbyqxmd.com/read/29329366/delineating-differential-regulatory-signatures-of-the-human-transcriptome-in-the-choriodecidua-and-myometrium-at-term-labor
#1
Sylvia Lui, Cyntia Duval, Farkhondeh Farrokhnia, Sylvie Girard, Lynda K Harris, Clare L Tower, Adam Stevens, Rebecca L Jones
Background: Preterm deliveries remain the leading cause of neonatal morbidity and mortality. Current therapies target only myometrial contractions and are largely ineffective. As labor involves multiple coordinated events across maternal and fetal tissues, identifying fundamental regulatory pathways of normal term labor is vital to understanding successful parturition and consequently labor pathologies. We aimed to identify transcriptomic signatures of human normal term labor of two tissues: in the fetal-facing choriodecidua and the maternal myometrium...
January 10, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29328909/single-cell-genomics-a-stepping-stone-for-future-immunology-discoveries
#2
REVIEW
Amir Giladi, Ido Amit
The immunology field has invested great efforts and ingenuity to characterize the various immune cell types and elucidate their functions. However, accumulating evidence indicates that current technologies and classification schemes are limited in their ability to account for the functional heterogeneity of immune processes. Single-cell genomics hold the potential to revolutionize the way we characterize complex immune cell assemblies and study their spatial organization, dynamics, clonal distribution, pathways, function, and crosstalks...
January 11, 2018: Cell
https://www.readbyqxmd.com/read/29321036/maternal-engineered-nanomaterial-inhalation-during-gestation-alters-the-fetal-transcriptome
#3
P A Stapleton, Q A Hathaway, C E Nichols, A B Abukabda, M V Pinti, D L Shepherd, C R McBride, J Yi, V C Castranova, J M Hollander, T R Nurkiewicz
BACKGROUND: The integration of engineered nanomaterials (ENM) is well-established and widespread in clinical, commercial, and domestic applications. Cardiovascular dysfunctions have been reported in adult populations after exposure to a variety of ENM. As the diversity of these exposures continues to increase, the fetal ramifications of maternal exposures have yet to be determined. We, and others, have explored the consequences of ENM inhalation during gestation and identified many cardiovascular and metabolic outcomes in the F1 generation...
January 10, 2018: Particle and Fibre Toxicology
https://www.readbyqxmd.com/read/29317699/inflammatory-proteomic-network-analysis-of-statin-treated-and-lipopolysaccharide-activated-macrophages
#4
Abu Hena M Kamal, Jayanta K Chakrabarty, S M Nashir Udden, Md Hasan Zaki, Saiful M Chowdhury
A significant component of immune biology research is the investigation of protein encoding genes that play central roles in contributing inflammatory response. A gel-free quantitative bottom-up proteomics study was performed on immune cell macrophages after the combined treatment of lipopolysaccharide (LPS) and statin drugs using mass spectrometry and a detailed bioinformatics analyses were conducted. Systematic bioinformatics analysis was applied for discovering novel relationships among proteins and effects of statin and lipopolysaccharide in macrophage cells...
January 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29309562/transcriptomic-analysis-reveals-novel-mechanisms-mediating-islet-dysfunction-in-the-intrauterine-growth-restricted-iugr-rat
#5
Cetewayo S Rashid, Yu-Chin Lien, Amita Bansal, Lane J Jaeckle-Santos, Changhong Li, Kyoung-Jae Won, Rebecca A Simmons
Intrauterine growth restriction (IUGR) increases the risk of developing Type 2 Diabetes in adulthood. Previous studies employing bilateral uterine artery ligation in a rat model of IUGR have revealed age-associated decline in glucose homeostasis and islet function. To elucidate novel mechanisms contributing to IUGR pathogenesis, the islet transcriptome was sequenced at 2 weeks of age, when in vivo glucose tolerance is mildly impaired, and at 10 weeks of age, when rats are hyperglycemic and have reduced β-cell mass...
January 4, 2018: Endocrinology
https://www.readbyqxmd.com/read/29307797/alcoholic-hepatitis-versus-non-alcoholic-steatohepatitis-levels-of-expression-of-some-proteins-involved-in-tumorigenesis
#6
Luan Nguyen, Maryam Masouminia, Alejandro Mendoza, Sara Samadzadeh, Brittany Tillman, Timothy Morgan, Barbara French, Samuel French
Non-alcoholic steatohepatitis (NASH) is commonly associated with obesity, type 2 diabetes, and/or hypertriglyceridemia, while alcoholic steatohepatitis (ASH) is associated with alcohol abuse. Both NASH and ASH patients can develop cirrhosis and hepatocellular carcinoma (HCC) if left untreated. However, the rate of tumorigenesis in NASH and ASH appears to be different. Individuals with NASH progress to HCC at a rate of 0.5% annually (Lindenmeyer, 2018), when individuals with ASH progress to HCC at a rate of 3-10% annually (Schwartz and Reinus, 2012)...
January 4, 2018: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29304863/gm-csf-overexpression-after-influenza-a-virus-infection-prevents-mortality-and-moderates-m1-like-airway-monocyte-macrophage-polarization
#7
E Scott Halstead, Todd M Umstead, Michael L Davies, Yuka Imamura Kawasawa, Patricia Silveyra, Judie Howyrlak, Linlin Yang, Weichao Guo, Sanmei Hu, Eranda Kurundu Hewage, Zissis C Chroneos
BACKGROUND: Influenza A viruses cause life-threatening pneumonia and lung injury in the lower respiratory tract. Application of high GM-CSF levels prior to infection has been shown to reduce morbidity and mortality from pathogenic influenza infection in mice, but the mechanisms of protection and treatment efficacy have not been established. METHODS: Mice were infected intranasally with influenza A virus (PR8 strain). Supra-physiologic levels of GM-CSF were induced in the airways using the double transgenic GM-CSF (DTGM) or littermate control mice starting on 3 days post-infection (dpi)...
January 5, 2018: Respiratory Research
https://www.readbyqxmd.com/read/29301248/differences-in-the-plasma-proteome-of-patients-with-hypothyroidism-before-and-after-thyroid-hormone-replacement-a-proteomic-analysis
#8
Assim A Alfadda, Hicham Benabdelkamel, Afshan Masood, Anwar A Jammah, Aishah A Ekhzaimy
Thyroid hormone is a potent stimulator of metabolism, playing a critical role in regulating energy expenditure and in key physiological mechanisms, such as growth and development. Although administration of thyroid hormone in the form of levo thyroxine (l-thyroxine) has been used to treat hypothyroidism for many years, the precise molecular basis of its physiological actions remains uncertain. Our objective was to define the changes in circulating protein levels that characterize alterations in thyroid hormone status...
January 1, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29299995/mirna-and-proteomic-dysregulation-in-non-small-cell-lung-cancer-in-response-to-cigarette-smoke
#9
Niraj Babu, Jayshree Advani, Hitendra S Solanki, Krishna Patel, Ankit P Jain, Aafaque Ahmad Khan, Aneesha Radhakrishnan, Nandini A Sahasrabuddhe, Premendu Prakash Mathur, Bipin Nair, T S Keshava Prasad, Xiaofei Chang, David Sidransky, Harsha Gowda, Aditi Chatterjee
BACKGROUND: Dysregulation of miRNAs is associated with the development of non-small cell lung cancer (NSCLC). It is imperative to study the dysregulation of miRNAs by cigarette smoke which will affect their targets, either leading to the overexpression of oncoproteins or downregulation of tumor suppressor proteins. OBJECTIVE AND METHODS: In this study, we carried out miRNA sequencing and SILAC-based proteomic analysis of H358 cells chronically exposed to cigarette smoke condensate...
January 3, 2018: MicroRNA
https://www.readbyqxmd.com/read/29295516/impact-of-consuming-extra-virgin-olive-oil-or-nuts-within-a-mediterranean-diet-on-dna-methylation-in-peripheral-white-blood-cells-within-the-predimed-navarra-randomized-controlled-trial-a-role-for-dietary-lipids
#10
Ana Arpón, Fermín I Milagro, Cristina Razquin, Dolores Corella, Ramón Estruch, Montserrat Fitó, Amelia Marti, Miguel A Martínez-González, Emilio Ros, Jordi Salas-Salvadó, José-Ignacio Riezu-Boj, J Alfredo Martínez
DNA methylation could be reversible and mouldable by environmental factors, such as dietary exposures. The objective was to analyse whether an intervention with two Mediterranean diets, one rich in extra-virgin olive oil (MedDiet + EVOO) and the other one in nuts (MedDiet + nuts), was influencing the methylation status of peripheral white blood cells (PWBCs) genes. A subset of 36 representative individuals were selected within the PREvención con DIeta MEDiterránea (PREDIMED-Navarra) trial, with three intervention groups in high cardiovascular risk volunteers: MedDiet + EVOO, MedDiet + nuts, and a low-fat control group...
December 23, 2017: Nutrients
https://www.readbyqxmd.com/read/29285290/preliminary-quantitative-proteomics-analysis-in-chronic-and-latent-keshan-disease-by-itraq-labeling-approach
#11
Yuxiao Sun, Chuanyu Gao, Xianqing Wang, Yuhao Liu
Keshan disease is a congestive cardiomyopathy. Dietary selenium deficiency combined with additional stressors are recognized to cause the cardiomyopathies. In this study, clinical condition of individuals with different subtypes including chronic and latent were analyzed. ECG abnormalities, chest radiography, echocardiography and blood selenium concentration were assessed. Subsequently, in effort to uncover proteins that were reliably changed in patients, isobaric tags for absolute and relative quantitation technology was applied...
December 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/29277264/proteomics-and-bioinformatics-analysis-of-altered-protein-expression-in-the-placental-villous-tissue-from-early-recurrent-miscarriage-patients
#12
Hai-Tao Pan, Hai-Gang Ding, Min Fang, Bin Yu, Yi Cheng, Ya-Jing Tan, Qi-Qin Fu, Bo Lu, Hong-Guang Cai, Xin Jin, Xian-Qing Xia, Tao Zhang
INTRODUCTION: Recurrent miscarriage (RM) affects 5% of women, it has an adverse emotional impact on women. Because of the complexities of early development, the mechanism of recurrent miscarriage is still unclear. We hypothesized that abnormal placenta leads to early recurrent miscarriage (ERM). The aim of this study was to identify ERM associated factors in human placenta villous tissue using proteomics. Investigation of these differences in protein expression in parallel profiling is essential to understand the comprehensive pathophysiological mechanism underlying recurrent miscarriage (RM)...
January 2018: Placenta
https://www.readbyqxmd.com/read/29260198/micro-and-nanoscale-topographies-on-silk-regulate-gene-expression-of-human-corneal-epithelial-cells
#13
Kai B Kang, Brian D Lawrence, X Raymond Gao, Yuncin Luo, Qiang Zhou, Aihong Liu, Victor H Guaiquil, Mark I Rosenblatt
Purpose: Corneal basement membrane has topographical features that provide biophysical cues to direct cell adherence, migration, and proliferation. In this study, we hypothesize that varying topographic pitch created on silk films can alter epithelial cell morphology, adhesion, and the genetic expression involved in cytoskeletal dynamics-related pathways. Methods: Silicon wafers with parallel ridge widths of 2000, 1000, and 800 nm were produced and used to pattern silk films via soft lithography...
December 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29251707/transcriptomic-changes-following-valproic-acid-treatment-promote-neurogenesis-and-minimize-secondary-brain-injury
#14
Vahagn C Nikolian, Isabel S Dennahy, Gerald A Higgins, Aaron M Williams, Michael Weykamp, Patrick E Georgoff, Hassan Eidy, Mohamed H Ghandour, Panpan Chang, Hasan B Alam
BACKGROUND: Early treatment with valproic acid (VPA) has demonstrated benefit in pre-clinical models of traumatic brain injury (TBI), including smaller brain lesion size, decreased edema, reduced neurologic disability, and faster recovery. Mechanisms underlying these favorable outcomes are not fully understood. We hypothesized that VPA treatment would upregulate genes involved in cell survival and proliferation and downregulate those associated with cell death and the inflammatory response...
December 14, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29251706/valproic-acid-induces-pro-survival-transcriptomic-changes-in-swine-subjected-to-traumatic-injury-and-hemorrhagic-shock
#15
Patrick E Georgoff, Vahagn C Nikolian, Gerald Higgins, Kiril Chtraklin, Hassan Eidy, Mohamed H Ghandour, Aaron Williams, Brian Athey, Hasan B Alam
BACKGROUND: Valproic acid (VPA) is a histone deacetylase inhibitor that improves outcomes in large animal models of trauma. However, its protective mechanism of action is not completely understood. We sought to characterize the genetic changes induced by VPA treatment following traumatic injuries. METHODS: Six female Yorkshire swine were subjected to traumatic brain injury (TBI, controlled cortical impact), polytrauma (liver and splenic laceration, rib fracture, rectus crush), and hemorrhagic shock (HS, 40% total blood volume)...
December 14, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29247698/pathway-analysis-of-global-gene-expression-change-in-dendritic-cells-induced-by-the-polysaccharide-from-the-roots-of-actinidia-eriantha
#16
Jing Du, Xiangfeng Chen, Chenying Wang, Hongxiang Sun
ETHNOPHARMACOLOGICAL RELEVANCE: The roots of Actinidia eriantha Benth have been used clinically to treat a variety of cancer in traditional Chinese medicine. The polysaccharide from this drug (AEPS) was previously reported to be a potential antitumor agent with immunomodulatory activity. However, the mechanisms of its antitumor action in immunomodulation have not yet been well-defined. AIM OF THE STUDY: To investigate the effects of AEPS on the phenotypic and functional maturation of dendritic cells and to explore the intracellular signaling mechanisms of its antitumor action in the immunomodulation...
December 13, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29247594/genes-associated-with-venous-thromboembolism-in-colorectal-cancer-patients
#17
Betül Ünlü, Nick van Es, Wibowo Arindrarto, Szymon M Kiełbasa, Hailiang Mei, Johan Westerga, Saskia Middeldorp, Peter J K Kuppen, Hans-Martin Otten, Suzanne Cannegieter, Henri H Versteeg
BACKGROUND: Venous thromboembolism (VTE) is a frequent complication in patients with cancer and is associated with significant morbidity and mortality. However, the mechanisms behind cancer-associated thrombosis are still incompletely understood. OBJECTIVES: The aim is to identify novel genes that associate with VTE in patients with colorectal cancer (CRC). METHODS: Twelve CRC patients with VTE were age- and sex-matched to twelve CRC patients without VTE...
December 16, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29240604/potential-significance-of-peptidome-in-human-ovarian-cancer-for-patients-with-ascites
#18
Xiaohao Huang, Juan Zhou, Ranran Tang, Suping Han, Xue Zhou
OBJECTIVE: Ovarian cancer (OC) is one of the lethal gynecological malignancies. Most women affected by OC with malignant ascites will relapse. Peptidomics, as an emerging branch of proteomics, is more applied in screening of disease biomarkers, diagnosis, treatment, and monitoring. However, there is still little in-depth analysis about peptidomics study in OC with malignant ascites. METHODS: A comparative peptidomic profiling of ascites fluid between 6 OC patients and 6 benign gynecological conditions using liquid chromatography-tandem mass spectrometry was analyzed...
December 13, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29228584/combination-of-calr-and-pdia3-is-a-potential-prognostic-biomarker-for-non-small-cell-lung-cancer
#19
Ke Wang, Hao Li, Ruo Chen, Yang Zhang, Xiu-Xuan Sun, Wan Huang, Huijie Bian, Zhi-Nan Chen
Proteomic-based approaches for biomarker discovery are promising strategies used in cancer research. In this study, we performed quantitative proteomic analysis on 16 paired samples of non-small cell lung cancer (NSCLC) and adjacent non-tumor lung tissues using label-free quantitative proteomics and liquid chromatography-tandem mass spectrometry/mass spectrometry (LC-MS/MS) to identify differentially expressed proteins. A total of 91 proteins were differentially expressed in NSCLC compared with adjacent non-tumor lung tissues among 4047 identified proteins (fold change > 1...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29228549/er%C3%AE-inhibits-cyclin-dependent-kinases-1-and-7-in-triple-negative-breast-cancer
#20
Jordan M Reese, Elizabeth S Bruinsma, David G Monroe, Vivian Negron, Vera J Suman, James N Ingle, Matthew P Goetz, John R Hawse
Triple negative breast cancer (TNBC), which comprises approximately 15% of all primary breast cancer diagnoses, lacks estrogen receptor alpha, progesterone receptor and human epidermal growth factor receptor 2 expression. However, we, and others, have demonstrated that approximately 30% of TNBCs express estrogen receptor beta (ERβ), a nuclear hormone receptor and potential drug target. Treatment of ERβ expressing MDA-MB-231 cells with estrogen or the ERβ selective agonist, LY500307, was shown to result in suppression of cell proliferation...
November 14, 2017: Oncotarget
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