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Tissue protein interactions

X-H Zhang, H-Y Zhang, S Lu, L-L Jiang, J Wu, Y-L Yang, S-A Zhang
OBJECTIVE: Gestational hypertension is a pregnancy complication that serious damages the maternal and child health. Early onset severe preeclampsia accounts for about 0.9% of the gestational hypertension disease. Conservative treatment is proposed in recent years to early onset severe preeclampsia through delay delivery. Therefore, it is particularly important to explore the pathogenesis of severe preeclampsia. Soluble endoglin (sEng) has been identified as a central factor to induce endothelium dysfunction of preeclampsia, while its specific mechanism is unclear...
March 2018: European Review for Medical and Pharmacological Sciences
Yanwei Xing, Zhiwei Zhao, Yuekun Zhu, Liangliang Zhao, Anlong Zhu, Daxun Piao
The objective of this study was to identify potentially significant genes and long non-coding RNAs (lncRNAs) in colon cancer for a panel of lncRNA signatures that could be used as prognostic markers for colon adenocarcinoma (COAD) based on the data from The Cancer Genome Atlas (TCGA). RNA-seq V2 exon data of COAD were downloaded from the TCGA data portal for 285 tumor samples and 41 normal tissue samples adjacent to tumors. Differentially expressed mRNAs and lncRNAs were identified. A functional enrichment analysis of differentially expressed mRNAs was performed, followed by protein-protein interaction (PPI) network construction and significant module selection...
May 2018: Oncology Reports
Mahesh Rangu, Zhujia Ye, Sarabjit Bhatti, Suping Zhou, Yong Yang, Tara Fish, Theodore W Thannhauser
In this paper, we report on aluminum (Al)-induced root proteomic changes in switchgrass. After growth in a hydroponic culture system supplemented with 400 μM of Al, plants began to show signs of physiological stress such as a reduction in photosynthetic rate. At this time, the basal 2-cm long root tips were harvested and divided into two segments, each of 1-cm in length, for protein extraction. Al-induced changes in proteomes were identified using tandem mass tags mass spectrometry (TMT-MS)-based quantitative proteomics analysis...
March 22, 2018: Proteomes
Emma Langella, Martina Buonanno, Daniela Vullo, Nina Dathan, Marilisa Leone, Claudiu T Supuran, Giuseppina De Simone, Simona Maria Monti
Human carbonic anhydrase IX (hCA IX) is a tumour-associated enzyme present in a limited number of normal tissues, but overexpressed in several malignant human tumours. It is a transmembrane protein, where the extracellular region consists of a greatly investigated catalytic CA domain and a much less investigated proteoglycan-like (PG) domain. Considering its important role in tumour biology, here, we report for the first time the full characterization of the PG domain, providing insights into its structural and functional features...
March 21, 2018: Cellular and Molecular Life Sciences: CMLS
Reafa A Hossain, Nicholas R Dunham, Raymond A Enke, Christopher E Berndsen
Purpose: DNA methylation is a well-characterized epigenetic repressor of mRNA transcription in many plant and vertebrate systems. However, the mechanism of this repression is not fully understood. The process of transcription is controlled by proteins that regulate recruitment and activity of RNA polymerase by binding to specific cis-regulatory sequences. Cone-rod homeobox (CRX) is a well-characterized mammalian transcription factor that controls photoreceptor cell-specific gene expression...
2018: Molecular Vision
Laura Tiberio, Annalisa Del Prete, Tiziana Schioppa, Francesca Sozio, Daniela Bosisio, Silvano Sozzani
Dendritic cells (DCs) are professional antigen-presenting cells responsible for the activation of specific T-cell responses and for the development of immune tolerance. Immature DCs reside in peripheral tissues and specialize in antigen capture, whereas mature DCs reside mostly in the secondary lymphoid organs where they act as antigen-presenting cells. The correct localization of DCs is strictly regulated by a large variety of chemotactic and nonchemotactic signals that include bacterial products, DAMPs (danger-associated molecular patterns), complement proteins, lipids, and chemokines...
March 21, 2018: Cellular & Molecular Immunology
Ke Yao, Sung-Young Lee, Cong Peng, Do Young Lim, Hiroyuki Yamamoto, Joohyun Ryu, Tae-Gyu Lim, Hanyong Chen, Guoguo Jin, Zhenjiang Zhao, Yaping Han, Wei-Ya Ma, Ann M Bode, Zigang Dong
Inflammation is a complex biological host reaction to tissue damage, infection and trauma. Extensive study of the inflammatory response has led to the identification of several protein kinases that are essential for signaling and could be potential therapeutic targets. The RSK family of kinases has multiple cellular functions. In our study, we found that RSK2 is a mediator for inflammation signaling and interacts with TRAF6. In vitro kinase assay results indicated that RSK2 strongly phosphorylates TRAF6 at serines 46, 47 and 48...
March 22, 2018: Oncogene
Tram T Nguyen, Eun-Mee Park, Yun-Sook Lim, Soon B Hwang
RAD51-associated protein 1 (RAD51AP1) is a member of the multiprotein complexes postulated to carry out RAD51-mediated homologous recombination and DNA repair in mammalian cells. In the present study, we showed that hepatitis C virus (HCV) NS5A directly bound RAD51AP1 and increased protein level of RAD51AP1 through modulation of the ubiquitin-proteasome pathway. We also demonstrated that RAD51AP1 protein levels were increased in the liver tissues of HCV-infected patients and NS5A transgenic mice. Importantly, NS5A impaired DNA repair by disrupting RAD51/RAD51AP1/UAF1 complex and rendered HCV-infected cells more sensitive to DNA damage...
March 21, 2018: Journal of Virology
Yun Wang, Qing-Jiang Pang, Jiang-Tao Liu, Hai-Hao Wu, Dong-Ying Tao
MicroRNAs play a crucial role in the progression of spinal cord ischemia/reperfusion injury (SCII). The role of miR-448 and SIRT1 in SCII was investigated in this study, to provide further insights into prevention and improvement of this disorder. In this study, expressions of miR-448 and SIRT1 protein were determined by qRT-PCR and western blot, respectively. Flow cytometry was used to analyze cell apoptosis. The endogenous expression of genes was modulated by recombinant plasmids and cell transfection. Dual-luciferase reporter assay was performed to determine the interaction between miR-448 and SIRT1...
March 15, 2018: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
Xiao-Ming Wang, Yang Liu, Yu-Xia Fan, Zheng Liu, Qing-Ling Yuan, Meng Jia, Geng Zu-Shi, Ling Gu, Xiu-Bo Lu
Background LncRNA PTCSC3 is a tumor suppressor in thyroid cancer, and its role in drug resistance of anaplastic thyroid cancer (ATC) to chemotherapy drug doxorubicin was investigated in this study. Methods Expression of RNA and protein was analyzed by qRT-PCR and western blot, respectively. Flow cytometry was used to analyze the expression rate of CD133+ cells. The endogenous expression of related genes was modulated by recombinant plasmids and cell transfection. Combination condition and interaction between PTCSC3 and STAT3 were determined by RIP and RNA pull-down assay, respectively...
March 21, 2018: Cancer Biology & Therapy
Pradipta Ray, Andrew Torck, Lilyana Quigley, Andi Wangzhou, Matthew Neiman, Chandranshu Rao, Tiffany Lam, Ji-Young Kim, Tae Hoon Kim, Michael Q Zhang, Gregory Dussor, Theodore J Price
Molecular neurobiological insight into human nervous tissues is needed to generate next generation therapeutics for neurological disorders like chronic pain. We obtained human Dorsal Root Ganglia (DRG) samples from organ donors and performed RNA-sequencing (RNA-seq) to study the human DRG (hDRG) transcriptional landscape, systematically comparing it with publicly available data from a variety of human and orthologous mouse tissues, including mouse DRG (mDRG). We characterized the hDRG transcriptional profile in terms of tissue-restricted gene co-expression patterns and putative transcriptional regulators, and formulated an information-theoretic framework to quantify DRG enrichment...
March 20, 2018: Pain
Johaiber Fuchslocher Chico, Maren Falk-Paulsen, Anne Luzius, Carina Saggau, Barbara Ruder, Julia Bolik, Dirk Schmidt-Arras, Andreas Linkermann, Christoph Becker, Philip Rosenstiel, Stefan Rose-John, Dieter Adam
The disintegrin metalloprotease ADAM17 has a critical role in intestinal inflammation and regeneration in mice, as illustrated by the dramatically increased susceptibility of ADAM17 hypomorphic (ADAM17ex/ex ) mice to dextran sulfate sodium (DSS)-induced colitis. Similarly, necroptosis has been implicated in inflammatory responses in the intestine. In this study, we have investigated the contribution of necroptosis to ADAM17-regulated intestinal inflammation in vivo by crossing ADAM17ex/ex mice with mice that lack the necroptotic core protein RIPK3...
February 27, 2018: Oncotarget
Rajendran Manikandan, Sankarasubramanian Harish, Gandhi Karthikeyan, Thiruvengadam Raguchander
The vascular wilt of tomato caused by Fusarium oxysporum f.sp. lycopersici is an important soil borne pathogen causes severe yield loss. The molecular characterization and their interaction with its host is necessary to develop a protection strategy. 20 isolates of F. oxysporum f.sp. lycopersici (FOL) were isolated from wilt infected tomato plants across Tamil Nadu. They were subjected to cultural, morphological, molecular and virulence studies. The results revealed that all the isolates produced both micro and macro conidia with different size, number of cells...
2018: Frontiers in Microbiology
Li Gao, Li-Jie Zhang, Sheng-Hua Li, Li-Li Wei, Bin Luo, Rong-Quan He, Shuang Xia
BACKGROUND: MiR-452-5p has been reported to be down-regulated in prostate cancer, affecting the development of this type of cancer. However, the molecular mechanism of miR-452-5p in prostate cancer remains unclear. Therefore, we investigated the network of target genes of miR-452-5p in prostate cancer using bioinformatics analyses. MATERIALS AND METHODS: We first analyzed the expression profiles and prognostic value of miR-452-5p in prostate cancer tissues from a public database...
March 6, 2018: Pathology, Research and Practice
Seyedmehdi Hossaini Nasr, Anne Tonson, Mohammad El-Dakdouki, David C Zhu, Dalen Agnew, Robert Wiseman, Chunqi Qian, Xuefei Huang
Atherosclerosis is an inflammatory disease of arterial walls and the rupturing of atherosclerotic plaques is a major cause of heart attack and stroke. Imaging techniques that can enable the detection of atherosclerosis plaques before clinical manifestation are urgently needed. Magnetic resonance imaging (MRI) is a powerful technique to image the morphology of atherosclerotic plaques. In order to better analyze molecular processes in plaques, contrast agents that can selectively bind to plaque receptors will prove invaluable...
March 20, 2018: ACS Applied Materials & Interfaces
A M Vaira, H S Lim, G Bauchan, C J Gulbronson, L Miozzi, N Vinals, A Natilla, J Hammond
The Lolium latent virus (LoLV) major coat protein sequence contains a typical chloroplast transit peptide (cTP) domain. In infected Nicotiana benthamiana leaf tissue, LoLV coat proteins can be detected at the chloroplast. In transient expression, several N-terminal deletions of the CP sequence, increasing in length, result in disruption of the domain functionality, markedly affecting intracellular localization. A yeast two-hybrid-based study using LoLV CP as bait identified several potentially interacting Arabidopsis host proteins, most of them with chloroplast-linked pathways...
March 20, 2018: Journal of General Virology
Tinglei Huang, Meiling Wang, Bo Huang, Augustus Chang, Feng Liu, Yanjie Zhang, Bin Jiang
As an evolutionarily conserved serine/threonine kinase of the phosphoinositide 3-kinase (PI3K) related kinase family, the mechanistic/mammalian target of rapamycin (mTOR) plays vital roles in the PI3K/AKT/mTOR pathway, participating in different cellular processes including cell survival, metabolism and proliferation. Aberrant activity of this signaling pathway may lead to oncogenesis. Over the last two decades, great progress has been made in the understanding of mTOR activation and how its response is counteracted for maintaining tissue homeostasis...
March 19, 2018: Apoptosis: An International Journal on Programmed Cell Death
Mitsuaki Nishioka, Yutaka Suehiro, Kouhei Sakai, Toshihiko Matsumoto, Naoko Okayama, Hidekazu Mizuno, Koji Ueno, Nobuaki Suzuki, Shinichi Hashimoto, Taro Takami, Shoichi Hazama, Hiroaki Nagano, Isao Sakaida, Takahiro Yamasaki
Tumor necrosis factor receptor superfamily member 19 ( TROY ) is involved in the Wnt/β-catenin signaling pathway and interacts with leucine-rich repeat containing G-protein-coupled receptor 5 (LGR5), which is a well-known biomarker of cancer stem cells and a prognostic marker of colorectal cancer (CRC). Because there have been no studies to evaluate the prognostic significance of TROY , we performed the present study to determine whether TROY can be a prognostic biomarker in CRC patients. We evaluated TROY expression levels in 100 CRC tissues by quantitative real-time PCR and investigated the association of TROY expression levels with clinicopathologic features...
April 2018: Oncology Letters
Frank Hochholdinger, Caroline Marcon, Jutta A Baldauf, Peng Yu, Felix P Frey
Maize forms a complex root system with structurally and functionally diverse root types that are formed at different developmental stages to extract water and mineral nutrients from soil. In recent years proteomics has been intensively applied to identify proteins involved in shaping the three-dimensional architecture and regulating the function of the maize root system. With the help of developmental mutants, proteomic changes during the initiation and emergence of shoot-borne, lateral and seminal roots have been examined...
2018: Frontiers in Plant Science
Teresa C Assumpção, Daniella M Mizurini, Dongying Ma, Robson Q Monteiro, Sydney Ahlstedt, Morayma Reyes, Michail Kotsyfakis, Thomas N Mather, John F Andersen, Jan Lukszo, José M C Ribeiro, Ivo M B Francischetti
Tick saliva is a rich source of modulators of vascular biology. We have characterized Ixonnexin, a member of the "Basic-tail" family of salivary proteins from the tick Ixodes scapularis. Ixonnexin is a 104 residues (11.8 KDa), non-enzymatic basic protein which contains 3 disulfide bonds and a C-terminal rich in lysine. It is homologous to SALP14, a tick salivary FXa anticoagulant. Ixonnexin was produced by ligation of synthesized fragments (51-104) and (1-50) followed by folding. Ixonnexin, like SALP14, interacts with FXa...
March 19, 2018: Scientific Reports
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