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https://www.readbyqxmd.com/read/29236289/assessment-of-cellular-and-serum-proteome-from-tongue-squamous-cell-carcinoma-patient-lacking-addictive-proclivities-for-tobacco-betel-nut-and-alcohol-case-study
#1
Sapna Khowal, Samar Husain Naqvi, Seema Monga, Swatantra Kumar Jain, Saima Wajid
The intriguing molecular pathways involved in oral carcinogenesis are still ambiguous. The oral squamous cell carcinoma (OSCC) ranks as the most common type constituting more than 90% of the globally diagnosed oral cancers cases. The elevation in the OSCC incidence rate during past ten years has an alarming impression on human healthcare. The major challenges associated with OSCC include delayed diagnosis, high metastatic rates, and low five-year survival rates. The present work foundations on reverse genetic strategy and involves the identification of genes showing expressional variability in an OSCC case lacking addictive proclivities for tobacco, betel nut and/or alcohol, major etiologies...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29235275/-identification-and-function-analysis-of-neuroprotective-targets-group-of-modified-wuzi-yanzong-pill
#2
Ke-Wu Zeng, Yan-Jun Wan, Li-Xi Liao, Kun Jiang, Xue-Mei Wang, Lian-Ying Liu, Peng-Fei Tu
Targets group identification in complex Chinese medicine system is a key step for revealing the potential mechanism of Chinese medicine. The solid beads with magnetic core and benzophenone-modified surface were made in our study, and then benzophenone was activated and cross-linked with the C-H bonds of chemical compositions in Chinese medicines under UV excitation. Thus the chemical compositions of modified Wuzi Yanzong pill(MWP) were linked to the solid bead surface, and enriched the neuroprotective targets group of MWP after being co-incubated with nerve cell lysate...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29235274/-identification-and-function-analysis-of-target-group-for-cardioprotection-of-baoyuan-decoction
#3
Yan-Jun Wan, Li-Xi Liao, Yu-Qi Liu, Yong Jiang, Lian-Ying Liu, Ke-Wu Zeng, Peng-Fei Tu
Baoyuan decoction (BYD) is a well-known traditional Chinese medicine formula for coronary heart disease with Qi deficiency. However, the detailed pharmacological mechanism of BYD is still unknown because of its complicated chemical compositions. In this study, we synthesized a kind of solid beads with benzophenone groups on its surface. Benzophenone can be activated and chemically cross-linked with the C-H bonds of the chemical compositions in BYD (BYD beads) under UV activation. We thus captured all the target proteins from mouse heart tissue lysates by using BYD beads...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29235273/-current-status-and-challenging-of-direct-target-study-of-traditional-chinese-medicine-complex-system-based-on-solid-coupling-beads
#4
Ke-Wu Zeng, Peng-Fei Tu
Traditional Chinese medicine(TCM) is a complex system with multiple chemical compositions. The most significant character of TCM is that the chemical compositions interact with each other by multi-target synergism to treat diseases. Previous reports mainly focused on the investigation of single signaling pathway detection or the phenotypic analysis of proteomics difference; however, no studies have been conducted on the identification of direct targets of TCM. Therefore, it is difficult to analyze the molecular mechanism of traditional Chinese medicine from the target source, and it is difficult to explain its traditional efficacy scientifically, thus seriously affecting its clinical application and internationalization...
October 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29234905/correction-to-combined-gene-expression-and-proteomic-analysis-of-egf-induced-apoptosis-in-a431-cells-suggests-multiple-pathways-trigger-apoptosis
#5
Ibrahim Alanazi, Esmaeil Ebrahimie, Peter Hoffmann, David L Adelson
The original version of this article unfortunately contained a mistake. The affiliation of first author Dr. Ibrahim Alanazi was incorrect.
December 12, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/29233185/phosphoproteomics-reveals-network-rewiring-to-a-pro-adhesion-state-in-annexin-1-deficient-mammary-epithelial-cells
#6
Asfa Alli-Shaik, Sheena Wee, Lina H K Lim, Jayantha Gunaratne
BACKGROUND: Annexin-1 (ANXA1) plays pivotal roles in regulating various physiological processes including inflammation, proliferation and apoptosis, and deregulation of ANXA1 functions has been associated with tumorigenesis and metastasis events in several types of cancer. Though ANXA1 levels correlate with breast cancer disease status and outcome, its distinct functional involvement in breast cancer initiation and progression remains unclear. We hypothesized that ANXA1-responsive kinase signaling alteration and associated phosphorylation signaling underlie early events in breast cancer initiation events and hence profiled ANXA1-dependent phosphorylation changes in mammary gland epithelial cells...
December 12, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29232851/a-novel-prebiotic-blend-product-prevents-irritable-bowel-syndrome-in-mice-by-improving-gut-microbiota-and-modulating-immune-response
#7
Qian Chen, Yiping Ren, Jihong Lu, Mark Bartlett, Lei Chen, Yan Zhang, Xiaokui Guo, Chang Liu
Irritable bowel syndrome (IBS) is the most common functional gastrointestinal disorder yet it still lacks effective prevention therapies. The aim of this study is to determine whether a novel prebiotic blend (PB) composed of fructo-oligosaccharide (FOS), galactooligosaccharide (GOS), inulin and anthocyanins could be effective in preventing the development of IBS. We explored the possible mechanisms both in animal and in cells. Post-infectious IBS models in C57BL/6 mice were established and were pretreated with the PB, PB and probiotic strains 8 weeks in advance of infection...
December 9, 2017: Nutrients
https://www.readbyqxmd.com/read/29232404/antioxidant-antiapoptotic-and-amino-acid-balance-regulating-activities-of-1-7-dihydroxy-3-4-8-trimethoxyxanthone-against-dimethylnitrosamine-induced-liver-fibrosis
#8
Xi-Yuan Zheng, Xin Zhao, Ying-Fan Yang, Han-Jie Jiang, Wan Li, Yi Sun, Xiao-Ping Pu
Liver fibrosis represents the consequences of a sustained wound healing response to chronic liver injury which could be caused by viral, autoimmune, drugs, and so on. Unfortunately, there was no effective therapy available for liver fibrosis in clinic. In this study, we identified the anti-fibrotic effects of 1,7-dihydroxy-3,4,8-trimethoxyxanthone (ZYC-1) on the dimethylnitrosamine (DMN)-induced rat model. ZYC-1 was isolated from Swertia punicea Hemsl and was administrated to DMN-induced rat model. ZYC decreased the hyaluronic acid (HA), type IV collagen (CIV) and hydroxyproline (Hyp) levels and inhibited the expression of α smooth muscle actin (α-SMA) and transforming growth factor beta 1 (TGF-1β)...
2017: PloS One
https://www.readbyqxmd.com/read/29231845/maillard-proteomics-opening-new-pages
#9
REVIEW
Alena Soboleva, Rico Schmidt, Maria Vikhnina, Tatiana Grishina, Andrej Frolov
Protein glycation is a ubiquitous non-enzymatic post-translational modification, formed by reaction of protein amino and guanidino groups with carbonyl compounds, presumably reducing sugars and α-dicarbonyls. Resulting advanced glycation end products (AGEs) represent a highly heterogeneous group of compounds, deleterious in mammals due to their pro-inflammatory effect, and impact in pathogenesis of diabetes mellitus, Alzheimer's disease and ageing. The body of information on the mechanisms and pathways of AGE formation, acquired during the last decades, clearly indicates a certain site-specificity of glycation...
December 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29229567/rice-stripe-virus-interferes-with-s-acylation-of-remorin-and-induces-its-autophagic-degradation-to-facilitate-virus-infection
#10
Shuai Fu, Yi Xu, Chenyang Li, Yi Li, Jianxiang Wu, Xueping Zhou
Remorins are plant-specific membrane-associated proteins, and were proposed to play crucial roles in plant-pathogen interactions. However, little is known about pathogens' counter-response to remorin-mediated regulation. Here, we find the remorin protein (NbREM1) is down-regulated early in Rice stripe virus (RSV) infection by quantitative whole-proteome analysis. We demonstrate that the turnover of NbREM1 is regulated by the S-acylation modification and can enter the autophagy pathway for degradation. We further show that RSV can interfere with the S-acylation of NbREM1, that is required for negatively regulates RSV infection by restricting virus cell-to-cell trafficking...
December 8, 2017: Molecular Plant
https://www.readbyqxmd.com/read/29229487/proteomics-reveals-key-proteins-participating-in-growth-difference-between-fall-dormant-and-non-dormant-alfalfa-in-terminal-buds
#11
Hongqi Du, Yinghua Shi, Defeng Li, Wenna Fan, Yanhua Wang, Guoqiang Wang, Chengzhang Wang
To explore the molecular mechanism of growth differences between fall dormant (FD) and non-FD alfalfa, we conducted iTRAQ-based quantitative proteomics on terminal buds of Maverick (FD) and Cuf101 (non-FD) cultivars, identified differential abundance protein species (DAPS) and verified expression profiling of the corresponding mRNA by qRT-PCR. A total of 3872 protein species were annotated. Of the 90 DAPS, 56 and 34 were respectively up- and down-accumulated in Maverick, compared to Cuf101. They were grouped into 35 functional categories and enriched in seven pathways...
December 8, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/29228856/uncovering-the-proteome-response-of-murine-neuroblastoma-cells-against-low-dose-exposure-to-saxitoxin
#12
Xiao Chen, Ye Sun, Haiyan Huang, Wei Liu, Panpan Hu, Xinfeng Huang, Fei Zou, Jianjun Liu
The potent neurotoxin saxitoxin produced by both marine and freshwater phytoplankton causes paralytic shellfish poisoning syndrome. The toxicity and mode of action of the acute exposure of high-dose saxitoxin have been intensively studied for decades; however, the potential risk of exposure of low-dose saxitoxin remained to be uncovered. Here we present a proteomics study of murine neuroblastoma N2A cell with low-dose saxitoxin exposure (1 nM and 10 nM, 24-h intoxication). Differential proteins were profiled by two-dimensional fluorescence difference gel electrophoresis (2D-DIGE) coupled with matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF-MS)...
December 11, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/29228623/linking-creb-function-with-altered-metabolism-in-murine-fibroblast-based-model-cell-lines
#13
André Steven, Sandra Leisz, Claudia Wickenhauser, Kristin Schulz, Dimitrios Mougiakakos, Rolf Kiessling, Carsten Denkert, Barbara Seliger
The cAMP-responsive element binding protein CREB is frequently overexpressed and activated in tumors of distinct histology, leading to enhanced proliferation, migration, invasion and angiogenesis as well as reduced apoptosis. The de-regulated expression of CREB might be linked with transcriptional as well as post-transcriptional regulation mechanisms. We show here that altered CREB expression levels and function are associated with changes in the cellular metabolism. Using comparative proteome-based analysis an altered expression pattern of proteins involved in the cellular metabolism in particular in glycolysis was found upon CREB down-regulation in HER-2/neu-transfected cell lines...
November 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/29228584/combination-of-calr-and-pdia3-is-a-potential-prognostic-biomarker-for-non-small-cell-lung-cancer
#14
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/29228011/characterization-of-the-giardia-intestinalis-secretome-during-interaction-with-human-intestinal-epithelial-cells-the-impact-on-host-cells
#15
Showgy Y Ma'ayeh, Jingyi Liu, Dimitra Peirasmaki, Katarina Hörnaeus, Sara Bergström Lind, Manfred Grabherr, Jonas Bergquist, Staffan G Svärd
BACKGROUND: Giardia intestinalis is a non-invasive protozoan parasite that causes giardiasis in humans, the most common form of parasite-induced diarrhea. Disease mechanisms are not completely defined and very few virulence factors are known. METHODOLOGY: To identify putative virulence factors and elucidate mechanistic pathways leading to disease, we have used proteomics to identify the major excretory-secretory products (ESPs) when Giardia trophozoites of WB and GS isolates (assemblages A and B, respectively) interact with intestinal epithelial cells (IECs) in vitro...
December 11, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29227110/itraq-quantitative-proteomic-profiling-and-maldi-msi-of-colon-cancer-spheroids-treated-with-combination-chemotherapies-in-a-3d-printed-fluidic-device
#16
Gabriel J LaBonia, Katelyn R Ludwig, C Bruce Mousseau, Amanda B Hummon
For a patient with metastatic colorectal cancer there are limited clinical options aside from chemotherapy. Unfortunately, the development of new chemotherapeutics is a long and costly process. New methods are needed to identify promising drug candidates earlier in the drug development process. Most chemotherapies are administered to patients in combinations. Here, an in vitro platform is used to assess the penetration and metabolism of combination chemotherapies in three-dimensional colon cancer cell cultures, or spheroids...
December 11, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29226722/the-use-of-databases-data-mining-and-immunoinformatics-in-vaccinology-where-are-we
#17
Nagendra R Hegde, S Gauthami, H M Sampath Kumar, Jagadeesh Bayry
Vaccinology has evolved from a sub-discipline focussed on simplistic vaccine development based on antibody-mediated protection to a separate discipline involving epidemiology, host and pathogen biology, immunology, genomics, proteomics, structure biology, protein engineering, chemical biology, and delivery systems. Data mining in combination with bioinformatics has provided a scaffold linking all these disciplines to the design of vaccines and vaccine adjuvants. Areas covered: This review provides background knowledge on immunological aspects which have been exploited with informatics for the in silico analysis of immune responses and the design of vaccine antigens...
December 11, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/29225558/vulvar-squamous-cell-carcinoma-aggressiveness-is-associated-with-differential-expression-of-collagen-and-stat1
#18
Emily R Holthoff, Stephanie D Byrum, Samuel G Mackintosh, Thomas Kelly, Alan J Tackett, Charles M Quick, Steven R Post
Background: Vulvar squamous cell carcinoma (vSCC) is a rare but debilitating disease. One vSCC variant comprises tumor cells that grow and expand as a cohesive sheet of cells that "pushes" and compresses the associated lymphoplasmacytic (LPC) stroma. Another vSCC variant features tumor cells that grow in loose association with one another and infiltrate the associated fibromyxoid (FMX) stroma consisting mainly of extracellular matrix. Clinically, infiltrative vSCC with FMX stroma (Inf/FMX) is significantly associated with lymph node metastases and recurrence...
2017: Clinical Proteomics
https://www.readbyqxmd.com/read/29223802/proteogenomic-insights-into-uranium-tolerance-of-a-chernobyl-s-microbacterium-bacterial-isolate
#19
Gallois Nicolas, Alpha-Bazin Béatrice, Ortet Philippe, Barakat Mohamed, Piette Laurie, Long Justine, Berthomieu Catherine, Armengaud Jean, Chapon Virginie
Microbacterium oleivorans A9 is a uranium-tolerant actinobacteria isolated from the trench T22 located near the Chernobyl nuclear power plant. This site is contaminated with different radionuclides including uranium. To observe the molecular changes at the proteome level occurring in this strain upon uranyl exposure and understand molecular mechanisms explaining its uranium tolerance, we established its draft genome and used this raw information to perform an in-depth proteogenomics study. High-throughput proteomics were performed on cells exposed or not to 10μM uranyl nitrate sampled at three previously identified phases of uranyl tolerance...
December 6, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/29223801/the-external-face-of-candida-albicans-a-proteomic-view-of-the-cell-surface-and-the-extracellular-environment
#20
Ana Gil-Bona, Ahinara Amador-García, Concha Gil, Lucia Monteoliva
The cell surface and secreted proteins are the initial points of contact between Candida albicans and the host. Improvements in protein extraction approaches and mass spectrometers have allowed researchers to obtain a comprehensive knowledge of these external subproteomes. In this paper, we review the published proteomic studies that have examined C. albicans extracellular proteins, including the cell surface proteins or surfome and the secreted proteins or secretome. The use of different approaches to isolate cell wall and cell surface proteins, such as fractionation approaches or cell shaving, have resulted in different outcomes...
December 6, 2017: Journal of Proteomics
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