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https://www.readbyqxmd.com/read/28730077/proteomic-profiling-of-early-degenerative-retina-of-rcs-rats
#1
Zhi-Hong Zhu, Yan Fu, Chuan-Huang Weng, Cong-Jian Zhao, Zheng-Qin Yin
AIM: To identify the underlying cellular and molecular changes in retinitis pigmentosa (RP). METHODS: Label-free quantification-based proteomics analysis, with its advantages of being more economic and consisting of simpler procedures, has been used with increasing frequency in modern biological research. Dystrophic RCS rats, the first laboratory animal model for the study of RP, possess a similar pathological course as human beings with the diseases. Thus, we employed a comparative proteomics analysis approach for in-depth proteome profiling of retinas from dystrophic RCS rats and non-dystrophic congenic controls through Linear Trap Quadrupole - orbitrap MS/MS, to identify the significant differentially expressed proteins (DEPs)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28722676/comparative-proteomic-analysis-of-virulent-and-avirulent-strains-of-toxoplasma-gondii-reveals-strain-specific-patterns
#2
Dong-Hui Zhou, Ze-Xiang Wang, Chun-Xue Zhou, Shuai He, Hany M Elsheikha, Xing-Quan Zhu
Research exploring the proteome of Toxoplasma gondii oocysts has gained momentum over the past few years. However, little is known about the oocyst's protein repertoires that contribute to differential virulence among T. gondii strains. Here, we used isobaric tag for relative and absolute quantitation-based proteomic analysis of oocysts of two T. gondii strains exhibiting the virulent PYS (ToxoDB#9) phenotype versus the less virulent PRU (Type II, ToxoDB#1) phenotype. Our aim was to determine protein expression patterns that contribute to the virulence of a particular phenotype...
July 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28708522/itraq-based-proteomic-profiling-of-granulosa-cells-from-lamb-and-ewe-after-superstimulation
#3
Jiapeng Lin, Yangsheng Wu, Bing Han, Ying Chen, Liqin Wang, Xiaolin Li, Mingjun Liu, Juncheng Huang
The number of oocytes obtained from lambs after FSH treatment is far greater than those acquired from adult ewes. However, these oocytes typically have reduced viability in comparison with adult ewe oocytes. However, the molecular mechanisms of differences in viability between lamb and ewe oocytes remain unknown. In the present research, we applied iTRAQ coupled with LC-MS/MS proteomic analysis in order to investigate the proteomic expression profile of granulosa cells from lambs and ewes following stimulation with FSH...
June 10, 2017: Theriogenology
https://www.readbyqxmd.com/read/28697756/proteomic-characterization-of-paired-non-malignant-and-malignant-african-american-prostate-epithelial-cell-lines-distinguishes-them-by-structural-proteins
#4
Jennifer S Myers, Karin A Vallega, Jason White, Kaixian Yu, Clayton C Yates, Qing-Xiang Amy Sang
BACKGROUND: While many factors may contribute to the higher prostate cancer incidence and mortality experienced by African-American men compared to their counterparts, the contribution of tumor biology is underexplored due to inadequate availability of African-American patient-derived cell lines and specimens. Here, we characterize the proteomes of non-malignant RC-77 N/E and malignant RC-77 T/E prostate epithelial cell lines previously established from prostate specimens from the same African-American patient with early stage primary prostate cancer...
July 11, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28694795/modulation-of-host-mirnas-transcriptome-in-lung-and-spleen-of-peste-des-petits-ruminants-virus-infected-sheep-and-goats
#5
Aruna Pandey, Amit R Sahu, Sajad A Wani, Shikha Saxena, Sonam Kanchan, Vaishali Sah, Kaushal K Rajak, Alok Khanduri, Aditya P Sahoo, Ashok K Tiwari, Bina Mishra, D Muthuchelvan, Bishnu P Mishra, Raj K Singh, Ravi K Gandham
Peste des petits ruminants (PPR) is one of the highly contagious viral disease, characterized by fever, sore mouth, conjunctivitis, gastroenteritis, and pneumonia, primarily affecting sheep and goats. Reports suggested variable host response in goats and sheep and this host response vis-a-vis the expression of microRNAs (miRNAs) has not been investigated. Here, miRNAs were sequenced and proteomics data were generated to identify the role of differentially expressed miRNA (DEmiRNA) in PPR virus (PPRV) infected lung and spleen tissues of sheep and goats...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28692419/long-term-cigarette-smoke-exposure-and-changes-in-mirna-expression-and-proteome-in-non-small-cell-lung-cancer
#6
Jayshree Advani, Yashwanth Subbannayya, Krishna Patel, Aafaque Ahmad Khan, Arun H Patil, Ankit P Jain, Hitendra S Solanki, Aneesha Radhakrishnan, Sneha M Pinto, Nandini A Sahasrabuddhe, Joji K Thomas, Premendu P Mathur, Bipin G Nair, Xiaofei Chang, T S Keshava Prasad, David Sidransky, Harsha Gowda, Aditi Chatterjee
Chronic exposure to cigarette smoke markedly increases the risk for lung cancer. Regulation of gene expression at the post-transcriptional level by miRNAs influences a variety of cancer-related interactomes. Yet, relatively little is known on the effects of long-term cigarette smoke exposure on miRNA expression and gene regulation. NCI-H292 (H292) is a cell line sensitive to cigarette smoke with mucoepidermoid characteristics in culture. We report, in this study, original observations on long-term (12 months) cigarette smoke effects in the H292 cell line, using microarray-based miRNA expression profiling, and stable isotopic labeling with amino acids in cell culture-based quantitative proteomic analysis...
July 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28689298/short-infusion-of-paclitaxel-imbalances-plasmatic-lipid-metabolism-and-correlates-with-cardiac-markers-of-acute-damage-in-patients-with-breast-cancer
#7
C Panis, R Binato, S Correa, V J Victorino, V Dias-Alves, A C S A Herrera, R Cecchini, A N C Simão, D S Barbosa, L Pizzatti, E Abdelhay
PURPOSE: Although paclitaxel-based chemotherapy is widely used for treating breast cancer, paclitaxel therapy has been associated with several adverse effects. Such adverse effects have primarily been associated with long-term regimens, but some acute effects are being increasingly reported in the literature. In this context, the present study analyzed the systemic proteomic profiles of women diagnosed with breast cancer at the first cycle of short paclitaxel infusion (n = 30). Proteomic profiles thus obtained were compared with those of breast cancer patients without chemotherapy (n = 50), as well as with those of healthy controls (n = 40)...
July 8, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28680592/hif-prolyl-hydroxylase-phd3-regulates-translational-machinery-and-glucose-metabolism-in-clear-cell-renal-cell-carcinoma
#8
Petra Miikkulainen, Heidi Högel, Krista Rantanen, Tomi Suomi, Petri Kouvonen, Laura L Elo, Panu M Jaakkola
BACKGROUND: A key feature of clear cell renal cell carcinoma (ccRCC) is the inactivation of the von Hippel-Lindau tumour suppressor protein (pVHL) that leads to the activation of hypoxia-inducible factor (HIF) pathway also in well-oxygenated conditions. Important regulator of HIF-α, prolyl hydroxylase PHD3, is expressed in high amounts in ccRCC. Although several functions and downstream targets for PHD3 in cancer have been suggested, the role of elevated PHD3 expression in ccRCC is not clear...
2017: Cancer & Metabolism
https://www.readbyqxmd.com/read/28679606/proteomic-profile-of-cystic-fibrosis-sputum-cells-in-adults-chronically-infected-with-pseudomonas-aeruginosa
#9
Sally H Pattison, David S Gibson, Elinor Johnston, Samantha Peacock, Keith Rivera, Michael M Tunney, Darryl J Pappin, J Stuart Elborn
Lung disease is the main cause of morbidity and mortality in cystic fibrosis (CF), and involves chronic infection and perturbed immune responses. Tissue damage is mediated mostly by extracellular proteases, but other cellular proteins may also contribute to damage through their effect on cell activities and/or release into sputum fluid by means of active secretion or cell death.We employed MudPIT (multidimensional protein identification technology) to identify sputum cellular proteins with consistently altered abundance in adults with CF, chronically infected with Pseudomonas aeruginosa, compared with healthy controls...
July 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28671602/mechanism-investigation-of-rifampicin-induced-liver-injury-using-comparative-toxicoproteomics-in-mice
#10
Ju-Hyun Kim, Woong Shik Nam, Sun Joo Kim, Oh Kwang Kwon, Eun Ji Seung, Jung Jae Jo, Riya Shresha, Tae Hee Lee, Tae Won Jeon, Sung Hwan Ki, Hye Suk Lee, Sangkyu Lee
Tuberculosis is one of the top causes of death among curable infectious diseases; it is an airborne infectious disease that killed 1.1 million people worldwide in 2010. Anti-tuberculosis drug-induced liver injury is the primary cause of drug-induced liver injury (DILI). Rifampicin is one of the most common anti-tuberculosis therapies and has well-known hepatotoxicity. To understand the mechanism of rifampicin-induced liver injury, we performed a global proteomic analysis of liver proteins by LC-MS/MS in a mouse model after the oral administration of 177 and 442...
July 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28662027/the-different-expressed-serum-proteins-in-rhcygb-treated-rat-model-of-liver-fibrosis-by-the-optimized-two-dimensional-gel-electrophoresis
#11
Gaotai Cai, Bohong Chen, Zhen Li, Wei Wei, Ping Wang, Wenqi Dong
Liver fibrosis, a common pathological process of chronic liver diseases, is the final stage of liver dysfunction that has severely deleterious impact on human health. Cytoglobin was first discovered in 2001 by proteomic analysis in rat stellate cells and was reported to play an important role in controlling tissue fibrosis. However, the mechanism by which cytoglobin inhibits or reverses the progression of fibrosis remains unclear. The present study examines the effect of recombinant human cytoblobin (rhCygb) in a rat model of liver fibrosis...
2017: PloS One
https://www.readbyqxmd.com/read/28651603/a-systems-pharmacology-based-approach-to-identify-novel-kv1-3-channel-dependent-mechanisms-in-microglial-activation
#12
Srikant Rangaraju, Syed Ali Raza, Andrea Pennati, Qiudong Deng, Eric B Dammer, Duc Duong, Michael W Pennington, Malu G Tansey, James J Lah, Ranjita Betarbet, Nicholas T Seyfried, Allan I Levey
BACKGROUND: Kv1.3 potassium channels regulate microglial functions and are overexpressed in neuroinflammatory diseases. Kv1.3 blockade may selectively inhibit pro-inflammatory microglia in neurological diseases but the molecular and cellular mechanisms regulated by Kv1.3 channels are poorly defined. METHODS: We performed immunoblotting and flow cytometry to confirm Kv1.3 channel upregulation in lipopolysaccharide (LPS)-activated BV2 microglia and in brain mononuclear phagocytes freshly isolated from LPS-treated mice...
June 26, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28649586/data-from-salivary-gland-proteome-analysis-of-female-aedes-aegypti-linn
#13
Rakhi Dhawan, Ajeet Kumar Mohanty, Manish Kumar, Gourav Dey, Jayshree Advani, T S Keshava Prasad, Ashwani Kumar
Salivary gland proteins from female Aedes aegypti mosquito were extracted and analyzed on high-resolution mass spectrometry. Proteomic data was analysed using two search algorithms SEQUEST and Mascot, which results in acquisition of 83,836 spectra which were assigned to 5417 peptides belonging to 1208 proteins.These proteins were then assigned molecular functions and further analysis revealed biological processes they are involved in using Gene Ontology annotations. Several immunity related pathways were found to be enriched in salivary gland...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28636987/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...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28634367/proteomic-analysis-reveals-large-amounts-of-decomposition-enzymes-and-major-metabolic-pathways-involved-in-algicidal-process-of-trametes-versicolor-f21a
#15
Xueyan Gao, Congyan Wang, Wei Dai, Shenrong Ren, Fang Tao, Xingbing He, Guomin Han, Wei Wang
A recent algicidal mode indicates that fungal mycelia can wrap and eliminate almost all co-cultivated algal cells within a short time span. However, the underlying molecular mechanism is rarely understood. We applied proteomic analysis to investigate the algicidal process of Trametes versicolor F21a and identified 3,754 fungal proteins. Of these, 30 fungal enzymes with endo- or exoglycosidase activities such as β-1,3-glucanase, α-galactosidase, α-glucosidase, alginate lyase and chondroitin lyase were significantly up-regulated...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28626498/tubulin-beta-3-chain-as-a-new-candidate-protein-biomarker-of-human-skin-aging-a-preliminary-study
#16
Sylvia G Lehmann, Sandrine Bourgoin-Voillard, Michel Seve, Walid Rachidi
Skin aging is a complex process, and a lot of efforts have been made to identify new and specific targets that could help to diagnose, prevent, and treat skin aging. Several studies concerning skin aging have analyzed the changes in gene expression, and very few investigations have been performed at the protein level. Moreover, none of these proteomic studies has used a global quantitative labeled proteomic offgel approach that allows a more accurate description of aging phenotype. We applied such an approach on human primary keratinocytes obtained from sun-nonexposed skin biopsies of young and elderly women...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28626452/proteomic-differences-between-developmental-stages-of-toxoplasma-gondii-revealed-by-itraq-based-quantitative-proteomics
#17
Ze-Xiang Wang, Chun-Xue Zhou, Hany M Elsheikha, Shuai He, Dong-Hui Zhou, Xing-Quan Zhu
Toxoplasma gondii has a complex two-host life-cycle between intermediate host and definitive host. Understanding proteomic variations across the life-cycle stages of T. gondii may improve the understanding of molecular adaption mechanism of T. gondii across life-cycle stages, and should have implications for the development of new treatment and prevention interventions against T. gondii infection. Here, we utilized LC-MS/MS coupled with iTRAQ labeling technology to identify differentially expressed proteins (DEPs) specific to tachyzoite (T), bradyzoites-containing cyst (C) and sporulated oocyst (O) stages of the cyst-forming T...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28601907/high-glucose-increases-the-formation-and-pro-oxidative-activity-of-endothelial-microparticles
#18
Dylan Burger, Maddison Turner, Fengxia Xiao, Mercedes N Munkonda, Shareef Akbari, Kevin D Burns
AIMS/HYPOTHESIS: Individuals with diabetes exhibit increases in circulating endothelial microparticles (eMPs, also referred to as endothelial microvesicles), which are associated with endothelial dysfunction and a heightened risk of cardiovascular complications. We have shown that eMPs are markers and mediators of vascular injury although their role in diabetes is unclear. We hypothesised that the composition and biological activity of eMPs are altered in response to high glucose exposure...
June 10, 2017: Diabetologia
https://www.readbyqxmd.com/read/28590090/motile-hepatocellular-carcinoma-cells-preferentially-secret-sugar-metabolism-regulatory-proteins-via-exosomes
#19
Jing Zhang, Shaohua Lu, Ye Zhou, Kun Meng, Zhipeng Chen, Yizhi Cui, Yunfeng Shi, Tong Wang, Qing-Yu He
Exosomes are deliverers of critically functional proteins, capable of transforming target cells in numerous cancers, including hepatocellular carcinoma (HCC). We hypothesize that the motility of HCC cells can be featured by comparative proteome of exosomes. Hence, we performed the super-SILAC-based MS analysis on the exosomes secreted by three human HCC cell lines, including the non-motile Hep3B cell, and the motile 97H and LM3 cells. More than 1400 exosomal proteins were confidently quantified in each MS analysis with highly biological reproducibility...
June 7, 2017: Proteomics
https://www.readbyqxmd.com/read/28570707/de-novo-characterization-of-the-pine-aphid-cinara-pinitabulaeformis-zhang-et-zhang-transcriptome-and-analysis-of-genes-relevant-to-pesticides
#20
Songqing Wu, Zhicheng Huang, Carballar-Lejarazú Rebeca, Xiaoli Zhu, Yajie Guo, Qiannan Lin, Xia Hu, Rong Wang, Guanghong Liang, Xiong Guan, Feiping Zhang
The pine aphid Cinara pinitabulaeformis Zhang et Zhang is the main pine pest in China, it causes pine needles to produce dense dew (honeydew) which can lead to sooty mold (black filamentous saprophytic ascomycetes). Although common chemical and physical strategies are used to prevent the disease caused by C. pinitabulaeformis Zhang et Zhang, new strategies based on biological and/or genetic approaches are promising to control and eradicate the disease. However, there is no information about genomics, proteomics or transcriptomics to allow the design of new control strategies for this pine aphid...
2017: PloS One
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