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https://www.readbyqxmd.com/read/28630016/comparative-transcriptome-analysis-of-sinonovacula-constricta-in-gills-and-hepatopancreas-in-response-to-vibrio-parahaemolyticus-infection
#1
Xuelin Zhao, Xuemei Duan, Zhenhui Wang, Weiwei Zhang, Ye Li, Chunhua Jin, Jinbo Xiong, Chenghua Li
The razor clam Sinonovacula constricta is an important economic species in China. However, bacterial pathogenic diseases limits S. constricta farming industry for large-scale production. In this study, de novo transcriptome sequencing was performed on S. constricta gills and hepatopancreas under Vibrio parahaemolyticus challenge for 12 h and 48 h, respectively. Transcripts assembly constructed 18,330 sequences, each of which was 500 bp long and functionally annotated, and 1781 and 490 transcripts were differentially expressed in the gills and hepatopancreas, respectively...
June 16, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28628668/dose-dependent-effects-of-gamma-radiation-on-the-early-zebrafish-development-and-gene-expression
#2
Selma Hurem, Leonardo Martín Martín, Dag Anders Brede, Eystein Skjerve, Rasoul Nourizadeh-Lillabadi, Ole Christian Lind, Terje Christensen, Vidar Berg, Hans-Christian Teien, Brit Salbu, Deborah Helen Oughton, Peter Aleström, Jan Ludvig Lyche
Ionizing radiation from natural sources or anthropogenic activity has the potential to cause oxidative stress or genetic damage in living organisms, through the ionization and excitation of molecules and the subsequent production of free radicals and reactive oxygen species (ROS). The present work focuses on radiation-induced biological effects using the zebrafish (Danio rerio) vertebrate model. Changes in developmental traits and gene expression in zebrafish were assessed after continuous external gamma irradiation (0...
2017: PloS One
https://www.readbyqxmd.com/read/28623968/oxygen-and-tissue-culture-affect-placental-gene-expression
#3
O Brew, M H F Sullivan
INTRODUCTION: Placental explant culture is an important model for studying placental development and functions. We investigated the differences in placental gene expression in response to tissue culture, atmospheric and physiologic oxygen concentrations. METHODS: Placental explants were collected from normal term (38-39 weeks of gestation) placentae with no previous uterine contractile activity. Placental transcriptomic expressions were evaluated with GeneChip(®) Human Genome U133 Plus 2...
July 2017: Placenta
https://www.readbyqxmd.com/read/28620317/comparative-and-experimental-studies-on-the-genes-altered-by-chronic-hypoxia-in-human-brain-microendothelial-cells
#4
Eugenia Mata-Greenwood, Dipali Goyal, Ravi Goyal
Background : Hypoxia inducible factor 1 alpha (HIF1A) is a master regulator of acute hypoxia; however, with chronic hypoxia, HIF1A levels return to the normoxic levels. Importantly, the genes that are involved in the cell survival and viability under chronic hypoxia are not known. Therefore, we tested the hypothesis that chronic hypoxia leads to the upregulation of a core group of genes with associated changes in the promoter DNA methylation that mediates the cell survival under hypoxia. Results : We examined the effect of chronic hypoxia (3 days; 0...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28615672/reconstruction-of-pathway-modification-induced-by-nicotinamide-using-multi-omic-network-analyses-in-triple-negative-breast-cancer
#5
Ji Young Kim, Hyebin Lee, Jongmin Woo, Wang Yue, Kwangsoo Kim, Seongmin Choi, Ja-June Jang, Youngsoo Kim, In Ae Park, Dohyun Han, Han Suk Ryu
Triple negative breast cancer (TNBC) is characterized by an aggressive biological behavior in the absence of a specific target agent. Nicotinamide has recently been proven to be a novel therapeutic agent for skin tumors in an ONTRAC trial. We performed combinatory transcriptomic and in-depth proteomic analyses to characterize the network of molecular interactions in TNBC cells treated with nicotinamide. The multi-omic profiles revealed that nicotinamide drives significant functional alterations related to major cellular pathways, including the cell cycle, DNA replication, apoptosis and DNA damage repair...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28608251/rna-processing-as-an-alternative-route-to-attack-glioblastoma
#6
REVIEW
Fabiana Marcelino Meliso, Christopher G Hubert, Pedro A Favoretto Galante, Luiz O Penalva
Genomic analyses have become an important tool to identify new avenues for therapy. This is especially true for cancer types with extremely poor outcomes, since our lack of effective therapies offers no tangible clinical starting point to build upon. The highly malignant brain tumor glioblastoma (GBM) exemplifies such a refractory cancer, with only 15 month average patient survival. Analyses of several hundred GBM samples compiled by the TCGA (The Cancer Genome Atlas) have produced an extensive transcriptomic map, identified prevalent chromosomal alterations, and defined important driver mutations...
June 12, 2017: Human Genetics
https://www.readbyqxmd.com/read/28606863/transcriptome-analysis-of-the-immune-reaction-of-the-pearl-oyster-pinctada-fucata-to-xenograft-from-pinctada-maxima
#7
Jinfen Wei, Sigang Fan, Baosuo Liu, Bo Zhang, Jiaqi Su, Dahui Yu
The pearl oyster Pinctada maxima exhibits great difficulty to culture pearls through nuclear insertion with an allograft, but it is easy for P. fucata to culture pearls after allografting. If P. fucata could be used as a surrogate mother to culture P. maxima pearls, it would benefit the pearl culture industry of P. maxima. However, this is blocked by the immune rejection of P. fucata against P. maxima mantle grafts. In this study, the immune responses of P. fucata hemocyte to allograft and xenograft were investigated after transplantation by transcriptome analysis...
June 9, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28605591/influencing-mechanism-of-ocean-acidification-on-byssus-performance-in-the-pearl-oyster-pinctada-fucata
#8
Shiguo Li, Chuang Liu, Aibin Zhan, Liping Xie, Rongqing Zhang
The byssus is an important adhesive structure by which bivalves robustly adhere to underwater substrates. It is susceptible to carbon dioxide-driven ocean acidification (OA). Previous investigations have documented significant adverse effects of OA on the performance of byssal threads, but the mechanisms remain largely unknown. In this study, multiple approaches were employed to reveal the underlying mechanisms for the effects of OA on byssus production and mechanical properties in the pearl oyster Pinctada fucata...
June 12, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28603698/crimean-congo-hemorrhagic-fever-tick-host-virus-interactions
#9
REVIEW
Anna Papa, Katerina Tsergouli, Katerina Tsioka, Ali Mirazimi
Crimean-Congo hemorrhagic fever virus (CCHFV) is transmitted to humans by bite of infected ticks or by direct contact with blood or tissues of viremic patients or animals. It causes to humans a severe disease with fatality up to 30%. The current knowledge about the vector-host-CCHFV interactions is very limited due to the high-level containment required for CCHFV studies. Among ticks, Hyalomma spp. are considered the most competent virus vectors. CCHFV evades the tick immune response, and following its replication in the lining of the tick's midgut, it is disseminated by the hemolymph in the salivary glands and reproductive organs...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28600193/functional-and-molecular-responses-of-the-blue-mussel-mytilus-edulis-hemocytes-exposed-to-cadmium-an-in-vitro-model-and-transcriptomic-approach
#10
Philippine Granger Joly de Boissel, Michel Fournier, Juan Carlos Rodriguez-Lecompte, Patty McKenna, Frederick Kibenge, Ahmed Siah
The bivalve mollusk, Mytilus edulis, is used as a sentinel species in several monitoring programs due to its ability to bio-accumulate contaminants. Its immune system consists of hemocytes and humoral components, which constitute the main part of the hemolymph. The present study is aimed at understanding the effects of Cd on the differentially expressed genes involved in the phagocytosis of M. edulis' hemocytes. Our approach focuses on an in vitro model by exposing hemocytes to different concentrations of Cd ranging from 10(-9) M to 10(-3) M...
June 6, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28595632/a-comparison-of-gene-expression-profiles-in-patients-with-coronary-artery-disease-type-2-diabetes-and-their-coexisting-conditions
#11
Rui Gong, Menghui Chen, Cuizhao Zhang, Manli Chen, Haibin Li
BACKGROUND: To support a hypothesis that there is an intrinsic interplay between coronary artery disease (CAD) and type 2 diabetes (T2D), we used RNA-seq to identify unique gene expression signatures of CAD, T2D, and coexisting conditions. METHODS: After transcriptome sequencing, differential expression analysis was performed between each disordered state and normal control group. By comparing gene expression profiles of CAD, T2D, and coexisting conditions, common and specific patterns of each disordered state were displayed...
June 8, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28588076/pai-1-controls-cardiomyocyte-tgf-%C3%AE-and-cardiac-fibrosis
#12
Panagiotis Flevaris, Sadiya S Khan, Mesut Eren, Adam J Schuldt, Sanjiv J Shah, Daniel C Lee, Sweta Gupta, Amy Shapiro, Paul Burridge, Asish K Ghosh, Douglas E Vaughan
Background -Fibrosis is the pathologic consequence of stress-induced tissue remodeling and matrix accumulation. Increased levels of plasminogen activator inhibitor type I (PAI-1) have been shown to promote fibrosis in multiple organ systems. Paradoxically, homozygous genetic deficiency of PAI-1 is associated with spontaneous age-dependent cardiac-selective fibrosis in mice. We have identified a novel PAI-1-dependent mechanism that regulates cardiomyocyte-derived fibrogenic signals and cardiac transcriptional pathways during injury...
June 6, 2017: Circulation
https://www.readbyqxmd.com/read/28586032/a-sketch-of-known-and-novel-mycn-associated-mirna-networks-in-neuroblastoma
#13
Francesca Megiorni, Moreno Colaiacovo, Samantha Cialfi, Heather P McDowell, Alessandro Guffanti, Simona Camero, Armando Felsani, Paul D Losty, Barry Pizer, Rajeev Shukla, Carlo Cappelli, Eva Ferrara, Antonio Pizzuti, Anna Moles, Carlo Dominici
Neuroblastoma (NB) originates from neural crest-derived precursors and represents the most common childhood extracranial solid tumour. MicroRNAs (miRNAs), a class of small non-coding RNAs that participate in a wide variety of biological processes by regulating gene expression, appear to play an essential role within the NB context. High-throughput next generation sequencing (NGS) was applied to study the miRNA transcriptome in a cohort of NB tumours with and without MYCN-amplification (MNA and MNnA, respectively) and in dorsal root ganglia (DRG), as a control...
June 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28580171/in-silico-analysis-of-pathways-activation-landscape-in-oral-squamous-cell-carcinoma-and-oral-leukoplakia
#14
Eugene Makarev, Adrian D Schubert, Riya R Kanherkar, Nyall London, Mahder Teka, Ivan Ozerov, Ksenia Lezhnina, Atul Bedi, Rajani Ravi, Rannee Mehra, Mohammad O Hoque, Ido Sloma, Daria A Gaykalova, Antonei B Csoka, David Sidransky, Alex Zhavoronkov, Evgeny Izumchenko
A subset of patients with oral squamous cell carcinoma (OSCC), the most common subtype of head and neck squamous cell carcinoma (HNSCC), harbor dysplastic lesions (often visually identified as leukoplakia) prior to cancer diagnosis. Although evidence suggest that leukoplakia represents an initial step in the progression to cancer, signaling networks driving this progression are poorly understood. Here, we applied in silico Pathway Activation Network Decomposition Analysis (iPANDA), a new bioinformatics software suite for qualitative analysis of intracellular signaling pathway activation using transcriptomic data, to assess a network of molecular signaling in OSCC and pre-neoplastic oral lesions...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28579374/activated-plasmacytoid-dendritic-cells-regulate-type-2-innate-lymphoid-cells-mediated-airway-hyperreactivity
#15
Hadi Maazi, Homayon Banie, German Aleman, Nisheel Patel, Bowen Wang, Ishwarya Sankaranarayanan, Vipul Bhargava, Takahiro Sato, Gavin Lewis, Matteo Cesaroni, James Karras, Anuk Das, Pejman Soroosh, Omid Akbari
BACKGROUND: Allergic asthma is a prevalent inflammatory disease of the airways caused by dysregulated immune balance in the lungs with incompletely understood pathogenesis. The recently identified type 2 innate lymphoid cells (ILC2s) play significant roles in the pathogenesis of asthma. While ILC2-activating factors have been identified, the mechanisms that suppress ILC2s remain largely unknown. Plasmacytoid dendritic cells, pDCs, are important in antiviral immunity and in maintaining tolerance to inert antigens...
June 1, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28577130/gemcitabine-cisplatin-treatment-induces-concomitant-sertad1-cdkn2b-and-gadd45a-modulation-and-cellular-changes-in-bladder-cancer-cells-regardless-of-the-site-of-tp53-mutation
#16
Glenda Nicioli da Silva, Leandro Toshio Filoni, Maria Cecília Salvadori, Daisy Maria Fávero Salvadori
Simultaneous use of cisplatin (CIS) and gemcitabine (GEN) for treating bladder cancer has increased because of their complementary effects. However, the molecular mechanisms underlying the activities of these two antineoplastic drugs are not fully known. Here, molecular biology techniques and microscopy were used to investigate transcriptomic and morphological changes in low and high-grade urinary bladder transitional carcinoma cell lines [RT4 - wild type TP53; 5637 - two TP53 mutations, one in codon 72 (Arg-Pro) and other in codon 280 (Arg-Thr) and T24 - in-frame deletion of tyrosine 126 in the TP53 allele] simultaneously treated with CIS/GEN...
June 2, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28564591/whole-transcriptome-screening-reveals-the-regulatory-targets-and-functions-of-long-non-coding-rna-h19-in-epileptic-rats
#17
Chun-Lei Han, Yun-Peng Liu, Xue-Min Zhao, Kai-Liang Wang, Ning Chen, Wei Hu, Jian-Guo Zhang, Ming Ge, Fan-Gang Meng
Understanding the molecular mechanisms mediating epileptogenesis may lead to the development of preventative therapies against epilepsy. Our previous study demonstrated that the long non-coding RNA H19 contributes to epileptogenesis by aggravating status epilepticus-induced neuronal loss, glial cell activation, mossy fiber sprouting, and cognitive impairments in epileptic rats. However, the systematic functions and downstream targets of H19 associated with epileptogenesis are still unknown. In the present study, high-throughput microarray analysis was used to explore the influence of H19 on gene expression in an epileptic rat model...
May 28, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28557004/identification-of-%C3%AE-chain-of-fo-f1-atpase-in-apoptotic-cell-population-induced-by-microplitis-bicoloratus-bracovirus-and-its-role-in-the-development-of-spodoptera-litura
#18
Tian-Chao Kou, Yue-Tong Liu, Ming Li, Yang Yang, Wei Zhang, Ji-Hui Cui, Xue-Wen Zhang, Shu-Mei Dong, Sha Xu, Shan You, Dong-Shuai Yu, Zun-Yu Pang, Kai-Jun Luo
Two physiological changes of Spodoptera litura parasitized by Microplitis bicoloratus are hemocyte-apoptosis and retarded immature development. β-Chain of Fo F1 -ATPase was found from a S. litura transcriptome. It belongs to a conserved P-loop NTPase superfamily, descending from a common ancestor of Lepidopteran clade. However, the characterization of β-chain of ATPase in apoptotic cells and its involvement in development remain unknown. Here, the ectopic expression and endogenous Fo F1 -ATPase β-chain occurred on S...
May 30, 2017: Archives of Insect Biochemistry and Physiology
https://www.readbyqxmd.com/read/28552527/the-effects-of-igf-1-on-mouse-spermatogenesis-using-an-organ-culture-method
#19
Jianfei Yao, Haiyang Zuo, Jun Gao, Mingming Wang, Dong Wang, Xiangdong Li
Currently available organ culture methods can induce the differentiation of spermatogonial stem cells (SSCs) to spermatids in vitro, but the percentages of haploid cells and elongated spermatids are extremely low. The goal of this study was to test strategies to increase the differentiation rate of SSCs into elongated spermatids in vitro. RNA-seq was performed from forty round spermatids isolated by laser capture microdissection from cultured mouse testicular fragments (MTFs) or 27 days post-partum testes. Gene Ontology (GO) and KEGG analysis of the transcriptome revealed that many cell cycle and apoptosis-associated genes were among the differently expressed genes...
May 25, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28542617/inflammatory-and-apoptotic-remodeling-in-autonomic-nervous-system-following-myocardial-infarction
#20
Chen Gao, Kimberly Howard-Quijano, Christoph Rau, Tatsuo Takamiya, Yang Song, Kalyanam Shivkumar, Yibin Wang, Aman Mahajan
BACKGROUND: Chronic myocardial infarction (MI) triggers pathological remodeling in the heart and cardiac nervous system. Abnormal function of the autonomic nervous system (ANS), including stellate ganglia (SG) and dorsal root ganglia (DRG) contribute to increased sympathoexcitation, cardiac dysfunction and arrythmogenesis. ANS modulation is a therapeutic target for arrhythmia associated with cardiac injury. However, the molecular mechanism involved in the pathological remodeling in ANS following cardiac injury remains to be established...
2017: PloS One
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