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apoptosis transcriptome

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https://www.readbyqxmd.com/read/29340078/differential-gene-expression-profiles-between-two-subtypes-of-ischemic-stroke-with-blood-stasis-syndromes
#1
Tian-Long Liu, Min-Na Liu, Xin-Liang Xu, Wen-Xing Liu, Pei-Jin Shang, Xiao-Hu Zhai, Hang Xu, Yi Ding, Yu-Wen Li, Ai-Dong Wen
Ischemic stroke is a cerebrovascular thrombotic disease with high morbidity and mortality. Qi deficiency blood stasis (QDBS) and Yin deficiency blood stasis (YDBS) are the two major subtypes of ischemic stroke according to the theories of traditional Chinese medicine. This study was conducted to distinguish these two syndromes at transcriptomics level and explore the underlying mechanisms. Male rats were randomly divided into three groups: sham group, QDBS/MCAO group and YDBS/MCAO group. Morphological changes were assessed after 24 h of reperfusion...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29332125/icg-001-exerts-potent-anticancer-activity-against-uveal-melanoma-cells
#2
Salma Kaochar, Jianrong Dong, Marie Torres, Kimal Rajapakshe, Fotis Nikolos, Christel M Davis, Erik A Ehli, Cristian Coarfa, Nicholas Mitsiades, Vasiliki Poulaki
Purpose: Uveal melanoma (UM) is uniformly refractory to all available systemic chemotherapies, thus creating an urgent need for novel therapeutics. In this study, we investigated the sensitivity of UM cells to ICG-001, a small molecule reported to suppress the Wnt/β-catenin-mediated transcriptional program. Methods: We used a panel of UM cell lines to examine the effects of ICG-001 on cellular proliferation, migration, and gene expression. In vivo efficacy of ICG-001 was evaluated in a UM xenograft model...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29328410/cldn5-affects-lncrnas-acting-as-cerna-dynamics-contributing-to-regulating-blood%C3%A2-brain-barrier-permeability-in-tumor-brain-metastasis
#3
Shun-Chang Ma, Qi Li, Jia-Yi Peng, Jian-Long Zhouwen, Dai-Nan Zhang, Chuan-Bao Zhang, Wen-Guo Jiang, Wang Jia
The blood‑brain barrier (BBB) constitutes an efficient organization of tight junctions that limits the delivery of tumor to the brain. The principal tight junction protein in BBB is claudin‑5 (CLDN5), but its mechanism of action remains largely unknown. Long non‑coding RNAs (lncRNAs) are aberrantly expressed in many cancers, some lncRNAs play key roles in regulating BBB permeability and are involved in tumor brain metastasis. In particular, lncRNAs can function as competing endogenous RNAs (ceRNAs). Herein, we investigated whether ceRNA dysregulation is associated with alterations of the level of CLDN5 in human brain vascular endothelial hCMEC/D3 cells...
January 10, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29312538/genome-wide-gene-expression-analysis-in-the-amphioxus-branchiostoma-belcheri-after-poly-i-c-challenge-using-strand-specific-rna-seq
#4
Qi-Lin Zhang, Zheng-Qing Xie, Ming-Zhong Liang, Bang Luo, Xiu-Qiang Wang, Jun-Yuan Chen
The gene expression associated with immune response to bacteria/bacterial mimic has been extensively analyzed in amphioxus, but remains largely unknown about how gene are involved in the immune response to viral invasion at expression level. Here, we analyze the rRNA-depleted transcriptomes of Branchiostoma belcheri using strand-specific RNA-seq in response to the viral mimic, poly (I:C) (pIC). A total of 5,317 differentially expressed genes were detected at treatment group by comparing with control. The gene with the most significant expression changes (top 15) after pIC challenge and 7 immune-related categories involving 58 differently expressed genes were scrutinized...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29312537/lipopolysaccharide-induces-acute-bursal-atrophy-in-broiler-chicks-by-activating-tlr4-mapk-nf-%C3%AE%C2%BAb-ap-1-signaling
#5
Abdur Rahman Ansari, Ning-Ya Li, Zhi-Jian Sun, Hai-Bo Huang, Xing Zhao, Lei Cui, Ya-Fang Hu, Ju-Ming Zhong, Niel A Karrow, Hua-Zhen Liu
We investigated the mechanisms that induce atrophy of the chicken bursa of Fabricius (BF) upon lipopolysaccharide (LPS) treatment in young chicks. LPS treatment resulted in ∼36% decrease in bursal weight within 36 h (P < 0.01). Histological analysis showed infiltration of eosinophilic heterophils and nucleated oval shaped RBCs in or near blood vessels of the BF from LPS-treated chicks. Scanning electron micrographs showed severe erosion and breaks in the mucosal membrane at 12 h and complete exuviation of bursal mucosal epithelial cells at 36 h...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29305989/the-immune-response-of-mytilus-edulis-hemocytes-exposed-to-vibrio-splendidus-lgp32-strain-a-transcriptomic-attempt-at-identifying-molecular-actors
#6
Marion Tanguy, Sophie Gauthier-Clerc, Jocelyne Pellerin, Jean-Michel Danger, Ahmed Siah
The marine mussel Mytilus edulis, tolerant to a wide range of environmental changes, combines a key role as a sentinel species for environmental monitoring programs and a significant economic importance. Mortality events caused by infective agents and parasites have not been described in mussels, which suggests an efficient immune system. This study aims at identifying the molecular mechanisms involved in the early immune responses M. edulis' hemocytes challenged with Vibrio splendidus LGP32 strain during 2, 4 and 6 h...
January 3, 2018: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29304016/transcriptome-analysis-of-flounder-paralichthys-olivaceus-gill-in-response-to-lymphocystis-disease-virus-lcdv-infection-novel-insights-into-fish-defense-mechanisms
#7
Ronghua Wu, Xiuzhen Sheng, Xiaoqian Tang, Jing Xing, Wenbin Zhan
Lymphocystis disease virus (LCDV) infection may induce a variety of host gene expression changes associated with disease development; however, our understanding of the molecular mechanisms underlying host-virus interactions is limited. In this study, RNA sequencing (RNA-seq) was employed to investigate differentially expressed genes (DEGs) in the gill of the flounder (Paralichthys olivaceus) at one week post LCDV infection. Transcriptome sequencing of the gill with and without LCDV infection was performed using the Illumina HiSeq 2500 platform...
January 5, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29299797/transcriptome-assembly-and-expression-profiling-of-the-molecular-responses-to-cadmium-toxicity-in-cerebral-ganglia-of-wolf-spider-pardosa-pseudoannulata-araneae-lycosidae
#8
Huilin Yang, Yuande Peng, Yixue Shi, Jianxiang Tian, Juan Wang, Xianjin Peng, Chunliang Xie, Xiang Xu, Qisheng Song, Zhi Wang, Zhiyue Lv
Cadmium (Cd) is a heavy metal that can cause irreversible toxicity to animals, and is an environmental pollutant in farmlands. Spiders are considered to be an excellent model for investigating the impacts of heavy metals on the environment. To date, the changes at the molecular level in the cerebral ganglia of spiders are poorly understood. Cd exposure leads to strong damage in the nervous system, such as apoptosis and necrosis of nerve cells, therefore we conducted a transcriptomic analysis of Pardosa pseudoannulata cerebral ganglia under Cd stress to profile differential gene expression (DGE)...
January 3, 2018: Ecotoxicology
https://www.readbyqxmd.com/read/29291263/overexpression-of-anthocyanidin-synthase-ans-gene-in-strawberry-enhances-antioxidant-capacity-and-cytotoxic-effects-on-human-hepatic-cancer-cells
#9
Francesca Giampieri, Massimiliano Gasparrini, Tamara Yuliett Forbes-Hernandez, Luca Mazzoni, Franco Capocasa, Silvia Sabbadini, José M Alvarez-Suarez, Sadia Afrin, Carlo Rosati, Tiziana Pandolfini, Barbara Molesini, José F Sanchez-Villa, Iraida Amaya, Bruno Mezzetti, Maurizio Battino
Food fortification through the increase and/or modulation of bioactive compounds has become a major goal for preventing several diseases, including cancer. Here, strawberry lines of cv. Calypso transformed with a construct containing an anthocyanidin synthase (ANS) gene were produced to study the effects on anthocyanin biosynthesis, metabolism and transcriptome. Three strawberry ANS transgenic lines (ANS L5, ANS L15 and ANS L18) were analysed for phytochemical composition and total antioxidant capacity (TAC), and their fruit extracts assessed for cytotoxic effects on hepatocellular carcinoma...
January 1, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29288676/transcriptomic-profiles-of-post-smolt-atlantic-salmon-challenged-with-piscirickettsia-salmonis-reveal-a-strategy-to-evade-the-adaptive-immune-response-and-modify-cell-autonomous-immunity
#10
Marco Rozas-Serri, Andrea Peña, Lucerina Maldonado
Piscirickettsiosis is the main bacterial disease affecting the Chilean salmon farming industry and is responsible for high economic losses. The development of effective strategies to control piscirickettsiosis has been limited in part by insufficient knowledge of the host response. The aim of this study was to use RNA sequencing to describe the transcriptional profiles of the responses of post-smolt Atlantic salmon infected with LF-89-like or EM-90-like Piscirickettsia salmonis. Enrichment and pathway analyses of the differentially expressed genes revealed several central signatures following infection, including positive regulation of DC-SIGN and TLR5 signalling, which converged at the NF-κB level to modulate the pro-inflammatory cytokine response, particularly in the PS-EM-90-infected fish...
December 27, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/29287803/transcriptional-profile-of-in-vitro-expanded-human-epidermal-progenitor-cells-for-the-treatment-of-non-healing-wounds
#11
Paulina Langa, Anna Wardowska, Jacek Zieliński, Justyna Podolak-Popinigis, Piotr Sass, Paweł Sosnowski, Karolina Kondej, Alicja Renkielska, Paweł Sachadyn, Piotr Trzonkowski, Michał Pikuła
BACKGROUND: Epidermal progenitor cells (EPCs) have been under extensive investigation due to their increasing potential of application in medicine and biotechnology. Cultured human EPCs are used in the treatment of chronic wounds and have recently became a target for gene therapy and toxicological studies. One of the challenges in EPCs culture is to provide a high number of undifferentiated, progenitor cells displaying high viability and significant biological activity. OBJECTIVES: The goal of this study was to characterize the in vitro cultured progenitor cells and to assess whether the cells with the progenitor phenotype are able to enhance wound healing...
December 13, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29287690/implication-of-stard5-and-cholesterol-homeostasis-disturbance-in-the-endoplasmic-reticulum-stress-related-response-induced-by-pro-apoptotic-aminosteroid-rm-133
#12
Martin Perreault, René Maltais, Lucie-Carole Kenmogne, Danny Létourneau, Jean-Guy LeHoux, Stéphane Gobeil, Donald Poirier
The aminosteroid derivative RM-133 is an effective anticancer molecule for which proof of concept has been achieved in several mouse xenograph models (HL-60, MCF-7, PANC-1 and OVCAR-3). To promote this new family of molecules toward a clinical phase 1 trial, the mechanism of action governing the anticancer properties of the representative candidate RM-133 needs to be characterized. In vitro experiments were first used to determine that RM-133 causes apoptosis in cancer cells. Then, using proteomic and transcriptomic experiments, RM-133 cytotoxicity was proven to be achieved via the endoplasmic reticulum (ER)-related apoptosis, which characterizes RM-133 as an endoplasmic reticulum stress aggravator (ERSA) anticancer drug...
December 26, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29285267/a-molecular-signature-of-lung-cancer-potential-biomarkers-for-adenocarcinoma-and-squamous-cell-carcinoma
#13
Varda Shoshan-Barmatz, Yael Bishitz, Avijit Paul, Yakov Krelin, Itay Nakdimon, Nir Peled, Avia Lavon, Elina Rudoy-Zilberman, Yael Refaely
Adenocarcinoma (AC) and squamous cell carcinoma (SCC), sub-types of non-small cell lung cancer (NSCLC), both present unique features at the genome, epigenome, transcriptome and proteome levels, as well as shared clinical and histopathological characteristics, but differ in terms of treatment. To ensure proper treatment, one must be able to distinguish between these sub-types. Here, we identify novel biomarker proteins in NSCLC, allowing for distinguishing between the AC and SCC sub-types. Proteomics analysis distinguished between healthy and tumor tissues, with the expression level of 1,494 proteins being altered, 378 of which showed a ≥|100|-fold change...
December 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/29282485/identification-of-a-novel-lncrna-induced-by-the-nephrotoxin-ochratoxin-a-and-expressed-in-human-renal-tumor-tissue
#14
Mirjana Polovic, Sandro Dittmar, Isabell Hennemeier, Hans-Ulrich Humpf, Barbara Seliger, Paolo Fornara, Gerit Theil, Patrick Azinovic, Alexander Nolze, Marcel Köhn, Gerald Schwerdt, Michael Gekle
Long non-coding RNAs represent a fraction of the transcriptome that is being increasingly recognized. For most of them no function has been allocated so far. Here, we describe the nature and function of a novel non-protein-coding transcript, named WISP1-AS1, discovered in human renal proximal tubule cells exposed to the carcinogenic nephrotoxin ochratoxin A. WISP1-AS1 overlaps parts of the fourth intron and fifth exon of the Wnt1-inducible signaling pathway protein 1 (WISP1) gene. The transcript is 2922 nucleotides long, transcribed in antisense direction and predominantly localized in the nucleus...
December 27, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29281179/a-high-parasite-density-environment-induces-transcriptional-changes-and-cell-death-in-plasmodium-falciparum-blood-stages
#15
Evelyn S Chou, Sabia Z Abidi, Marian Teye, Aleksandra Leliwa-Sytek, Thomas S Rask, Simon A Cobbold, Gerry Q Tonkin-Hill, Krishanthi S Subramaniam, Anna E Sexton, Darren J Creek, Johanna P Daily, Michael F Duffy, Karen P Day
Transient regulation of Plasmodium numbers below the density that induces fever has been observed in chronic malaria infections in humans. This species transcending control cannot be explained by immunity alone. Using an in vitro system we have observed density dependent regulation of malaria population size as a mechanism to possibly explain these in vivo observations. Specifically, P. falciparum blood stages from a high but not low-density environment exhibited unique phenotypic changes during the late trophozoite and schizont stages of the intraerythrocytic cycle...
December 27, 2017: FEBS Journal
https://www.readbyqxmd.com/read/29277694/comparative-transcriptomic-analysis-of-shrimp-hemocytes-in-response-to-acute-hepatopancreas-necrosis-disease-ahpnd-causing-vibrio-parahemolyticus-infection
#16
Zhihong Zheng, Fan Wang, Jude Juventus Aweya, Ruiwei Li, Defu Yao, Mingqi Zhong, Shengkang Li, Yueling Zhang
The recent emergence of acute hepatopancreas necrosis disease (AHPND) in shrimps has posed a major challenge in the shrimp aquaculture industry. The Pir toxin proteins carried by some strains of Vibrio parahaemolyticus are believed to play essential roles in the pathogenesis of AHPND. However, few studies have so far explored how the host immune system responds to these bacteria. In this study, AHPND V. parahaemolyticus (with Pir) and non-AHPND V. parahaemolyticus (without Pir) were injected into two groups of shrimps, and the hemocytes collected for comparative transcriptomic analyses...
December 22, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/29275436/transcriptomic-profiles-of-the-bovine-mammary-gland-during-lactation-and-the-dry-period
#17
Wen-Ting Dai, Yi-Xuan Zou, Robin R White, Jian-Xin Liu, Hong-Yun Liu
The initiation and maintenance of lactation are complex phenomena governed by biochemical and endocrine processes in the mammary gland (MG). Although DNA-based approaches have been used to study the onset of lactation, more comprehensive RNA-based techniques may be critical in furthering our understanding of gene alterations that occur to support lactation in the bovine MG. To further determine how gene profiles vary during lactation compared with the dry period, RNA-seq transcriptomic analysis was used to identify differentially expressed genes (DEG) in bovine MG tissues from animals that were lactating and not lactating...
December 23, 2017: Functional & Integrative Genomics
https://www.readbyqxmd.com/read/29274579/6-0%C3%A2-k-microarray-reveals-differential-transcriptomic-responses-in-the-dinoflagellate-prorocentrum-minimum-exposed-to-polychlorinated-biphenyl-pcb
#18
Hui Wang, Ruoyu Guo, Jang-Seu Ki
Endocrine disrupting chemicals (EDCs) have toxic effects on algae; however, their molecular genomic responses have not been sufficiently elucidated. Here, we evaluated genome-scaled responses of the dinoflagellate alga Prorocentrum minimum exposed to an EDC, polychlorinated biphenyl (PCB), using a 6.0 K microarray. Based on two-fold change cut-off, we identified that 609 genes (∼10.2%) responded to the PCB treatment. KEGG pathway analysis showed that differentially expressed genes (DEGs) were related to ribosomes, biosynthesis of amino acids, spliceosomes, and cellular processes...
December 14, 2017: Chemosphere
https://www.readbyqxmd.com/read/29273356/global-transcriptome-analysis-of-rna-abundance-regulation-by-adar-in-lung-adenocarcinoma
#19
Michael F Sharpnack, Bin Chen, Dvir Aran, Idit Kosti, Douglas D Sharpnack, David P Carbone, Parag Mallick, Kun Huang
Despite tremendous advances in targeted therapies against lung adenocarcinoma, the majority of patients do not benefit from personalized treatments. A deeper understanding of potential therapeutic targets is crucial to increase the survival of patients. One promising target, ADAR, is amplified in 13% of lung adenocarcinomas and in-vitro studies have demonstrated the potential of its therapeutic inhibition to inhibit tumor growth. ADAR edits millions of adenosines to inosines within the transcriptome, and while previous studies of ADAR in cancer have solely focused on protein-coding edits, >99% of edits occur in non-protein coding regions...
December 6, 2017: EBioMedicine
https://www.readbyqxmd.com/read/29251707/transcriptomic-changes-following-valproic-acid-treatment-promote-neurogenesis-and-minimize-secondary-brain-injury
#20
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
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