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https://www.readbyqxmd.com/read/28918527/alterations-in-epididymal-proteomics-and-antioxidant-activity-of-mice-exposed-to-fluoride
#1
Zilong Sun, Sujuan Li, Yuxiang Yu, Hongyu Chen, Mohammad Mehdi Ommati, Ram Kumar Manthari, Ruiyan Niu, Jundong Wang
It is well known that high fluoride results in low fertility. Epididymis is the important place for spermatozoa maturation, which is essential for successful fertilization. In the previous studies, fluoride was reported to damage the epididymal structure of mouse and rabbit. However, the mechanism underlying sodium fluoride (NaF)-induced epididymal toxicity has not yet been well elucidated. The aim of this study is to explore the global protein alterations in epididymis of mice exposed to NaF using the iTRAQ technique...
September 16, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28918157/differential-proteomic-profiling-of-endometrium-and-plasma-indicate-the-importance-of-hydrolysis-in-bovine-endometritis
#2
Shi-Dong Zhang, Shu-Wei Dong, Dong-Sheng Wang, Chike F Oguejiofor, Ali A Fouladi-Nashta, Zhi-Qiang Yang, Zuo-Ting Yan
Endometritis is an important disease of dairy cows that leads to significant economic losses in the dairy cattle industry. To investigate the alteration of proteins associated with endometritis in the dairy cow, the isobaric tags for relative and absolute quantification (iTRAQ) technique was applied to quantitatively identify differentially expressed proteins (DEP) in the endometrium and peripheral plasma of Chinese Holstein cows with endometritis. Compared with the normal (control) group, 159 DEP in the endometrium and 137 DEP in the plasma were identified in cows with endometritis...
September 13, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28916745/cadmium-effects-on-dna-and-protein-metabolism-in-oyster-crassostrea-gigas-revealed-by-proteomic-analyses
#3
Jie Meng, Wenxiong Wang, Li Li, Qi Yin, Guofan Zhang
Marine molluscs, including oysters, can concentrate high levels of cadmium (Cd) in their soft tissues, but the molecular mechanisms of Cd toxicity remain speculative. In this study, Pacific oysters (Crassostrea gigas) were exposed to Cd for 9 days and their gills were subjected to proteomic analysis, which were further confirmed with transcriptomic analysis. A total of 4,964 proteins was quantified and 515 differentially expressed proteins were identified in response to Cd exposure. Gene Ontology enrichment analysis revealed that excess Cd affected the DNA and protein metabolism...
September 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28914500/comprehensive-proteomics-analysis-of-exosomes-derived-from-human-seminal-plasma
#4
C Yang, W-B Guo, W-S Zhang, J Bian, J-K Yang, Q-Z Zhou, M-K Chen, W Peng, T Qi, C-Y Wang, C-D Liu
Exosomes are membranous nanovesicles of endocytic origin that carry and transfer regulatory bioactive molecules and mediate intercellular communication between cells and tissues. Although seminal exosomes have been identified in human seminal plasma, their exact composition and possible physiologic function remain unknown. The objective of this study was to perform a comprehensive proteomics analysis of exosomes derived from human seminal plasma. Seminal exosomes were isolated and purified from 12 healthy donors using a 30% sucrose cushion-based exosome-isolation protocol, followed by characterization by western blot, transmission electron microscopy, and nanoparticle tracking analysis before performing extensive liquid chromatography tandem mass spectrometry proteomics analysis...
September 2017: Andrology
https://www.readbyqxmd.com/read/28912854/comparative-proteomics-analysis-of-primary-cutaneous-amyloidosis
#5
Daxing Cai, Yang Li, Chunlei Zhou, Yulin Jiang, Jian Jiao, Lin Wu
Primary cutaneous amyloidosis (PCA) is a localized skin disorder that is characterized by the abnormal deposition of amyloid in the extracellular matrix (ECM) of the dermis. The pathogenesis of PCA is poorly understood. The objective of the present study was to survey proteome changes in PCA lesions in order to gain insight into the molecular basis and pathogenesis of PCA. Total protein from PCA lesions and normal skin tissue samples were extracted and analyzed using the isobaric tags for relative and absolute quantitation technique...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28903499/the-long-lasting-rodenticide-brodifacoum-induces-neuropathology-in-adult-male-rats
#6
Sergey Kalinin, Natalia Marangoni, Katarzyna Kowal, Arunangsu Dey, Kinga Lis, Sergey Brodsky, Richard van Breemen, Zane Hauck, Richard Ripper, Israel Rubinstein, Guy Weinberg, Douglas L Feinstein
Superwarfarins are very long-lasting rodenticides effective in warfarin-resistant rodents at extremely low doses. The consequences of chronic superwarfarin levels in tissues, due to biological half-lives on the order of 20 days, have not been examined. We now characterized the neurological effects of brodifacoum (BDF), one of the most widely used superwarfarins, in adult male Sprague Dawley rats. Dosing curves established the acute oral lethal dose for BDF as 221 ± 14 μg/kg. Measurement of tissue BDF levels showed accumulation throughout the body, including the central nervous system, with levels diminishing over several days...
September 1, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28883757/time-dependent-proteomic-and-genomic-alterations-in-toll-like-receptor-4-activated-human-chondrocytes-increased-expression-of-lamin-a-c-and-annexins
#7
Seung Hee Ha, Hyoung Kyu Kim, Nguyen Thi Tuyet Anh, Nari Kim, Kyung Soo Ko, Byoung Doo Rhee, Jin Han
Activation of Toll-like receptor-4 (TLR-4) in articular chondrocytes increases the catabolic compartment and leads to matrix degradation during the development of osteoarthritis. In this study, we determined the proteomic and genomic alterations in human chondrocytes during lipopolysaccharide (LPS)-induced inflammation to elucidate the underlying mechanisms and consequences of TLR-4 activation. Human chondrocytes were cultured with LPS for 12, 24, and 36 h to induce TLR-4 activation. The TLR-4-induced inflammatory response was confirmed by real-time PCR analysis of increased interleukin-1 beta (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor alpha (TNF-α) expression levels...
September 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28878286/proteomic-analysis-on-roots-of-oenothera-glazioviana-under-copper-stress-conditions
#8
Chong Wang, Jie Wang, Xiao Wang, Yan Xia, Chen Chen, Zhenguo Shen, Yahua Chen
Proteomic studies were performed to identify proteins involved in the response of Oenothera glazioviana seedlings under Cu stress. Exposure of 28-d-old seedlings to 50 μM CuSO4 for 3 d led to inhibition of shoot and root growth as well as a considerable increase in the level of lipid peroxidation in the roots. Cu absorbed by O. glazioviana accumulated more easily in the root than in the shoot. Label-free proteomic analysis indicated 58 differentially abundant proteins (DAPs) of the total 3,149 proteins in the roots of O...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28876938/lessons-from-the-hamster-cricetulus-griseus-tissue-and-cho-cell-line-proteome-comparison
#9
Kelley M Heffner, Deniz Baycin Hizal, George S Yerganian, Amit Kumar, Özge Can, Robert N O'Meally, Robert Cole, Raghothama Chaerkady, Herren Wu, Michael A Bowen, Michael J Betenbaugh
Chinese hamster ovary cells represent the dominant host for therapeutic recombinant protein production. However, few large-scale datasets have been generated to characterize this host organism and derived CHO cell lines at the proteomics level. Consequently, an extensive label-free quantitative proteomics analysis of two cell lines (CHO-S and CHO DG44) and two Chinese hamster tissues (liver and ovary) was used to identify a total of 11801 unique proteins containing at least two unique peptides. 9359 unique proteins were identified specifically in the cell lines, representing a 56% increase over previous work...
September 6, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28871227/comparative-proteomic-analysis-provides-insight-into-the-key-proteins-as-possible-targets-involved-in-aspirin-inhibiting-biofilm-formation-of-staphylococcus-xylosus
#10
Chang-Geng Xu, Yan-Bei Yang, Yong-Hui Zhou, Mei-Qi Hao, Yong-Zhi Ren, Xiao-Ting Wang, Jian-Qing Chen, Ishfaq Muhammad, Shuai Wang, Di Liu, Xiu-Bo Li, Yan-Hua Li
Staphylococcus xylosus is an opportunistic pathogen that causes infection in humans and cow mastitis. And S. xylosus possesses a strong ability to form biofilms in vitro. As biofilm formation facilitates resistance to antimicrobial agents, the discovery of new medicinal properties for classic drugs is highly desired. Aspirin, which is the most common active component of non-steroidal anti-inflammatory compounds, affects the biofilm-forming capacity of various bacterial species. We have found that aspirin effectively inhibits biofilm formation of S...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28811546/serum-derived-extracellular-vesicles-evs-impact-on-vascular-remodeling-and-prevent-muscle-damage-in-acute-hind-limb-ischemia
#11
Claudia Cavallari, Andrea Ranghino, Marta Tapparo, Massimo Cedrino, Federico Figliolini, Cristina Grange, Valentina Giannachi, Paolo Garneri, Maria Chiara Deregibus, Federica Collino, Pietro Rispoli, Giovanni Camussi, Maria Felice Brizzi
Serum is an abundant and accessible source of circulating extracellular vesicles (EVs). Serum-EV (sEV) pro-angiogenic capability and mechanisms are herein analyzed using an in vitro assay which predicts sEV angiogenic potential in vivo. Effective sEVs (e-sEVs) also improved vascular remodeling and prevented muscle damage in a mouse model of acute hind limb ischemia. e-sEV angiogenic proteomic and transcriptomic analyses show a positive correlation with matrix-metalloproteinase activation and extracellular matrix organization, cytokine and chemokine signaling pathways, Insulin-like Growth Factor and platelet pathways, and Vascular Endothelial Growth Factor signaling...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28803590/differential-protein-analysis-of-serum-exosomes-post-intravenous-immunoglobulin-therapy-in-patients-with-kawasaki-disease
#12
Li Zhang, Qi-Fang Song, Jing-Jie Jin, Ping Huang, Zhou-Ping Wang, Xiao-Fei Xie, Xiao-Qiong Gu, Xue-Juan Gao, Hong-Ling Jia
BACKGROUND: Kawasaki disease, which is characterised by systemic vasculitides accompanied by acute fever, is regularly treated by intravenous immunoglobulin to avoid lesion formation in the coronary artery; however, the mechanism of intravenous immunoglobulin therapy is unclear. Hence, we aimed to analyse the global expression profile of serum exosomal proteins before and after administering intravenous immunoglobulin. METHODS: Two-dimensional electrophoresis coupled with mass spectrometry analysis was used to identify the differentially expressed proteome of serum exosomes in patients with Kawasaki disease before and after intravenous immunoglobulin therapy...
August 14, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28797234/succinyl-proteome-profiling-of-dendrobium-officinale-an-important-traditional-chinese-orchid-herb-revealed-involvement-of-succinylation-in-the-glycolysis-pathway
#13
Shangguo Feng, Kaili Jiao, Hong Guo, Mengyi Jiang, Juan Hao, Huizhong Wang, Chenjia Shen
BACKGROUND: Lysine succinylation is a ubiquitous and important protein post-translational modification in various eukaryotic and prokaryotic cells. However, its functions in Dendrobium officinale, an important traditional Chinese orchid herb with high polysaccharide contents, are largely unknown. RESULTS: In our study, LC-MS/MS was used to identify the peptides that were enriched by immune-purification with a high-efficiency succinyl-lysine antibody. In total, 314 lysine succinylation sites in 207 proteins were identified...
August 10, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28752479/quantitative-proteomic-analysis-of-optimal-cutting-temperature-oct-embedded-core-needle-biopsy-of-lung-cancer
#14
Xiaozheng Zhao, Kenneth E Huffman, Junya Fujimoto, Jamie Rodriguez Canales, Luc Girard, Guangjun Nie, John V Heymach, Igacio I Wistuba, John D Minna, Yonghao Yu
With recent advances in understanding the genomic underpinnings and oncogenic drivers of pathogenesis in different subtypes, it is increasingly clear that proper pretreatment diagnostics are essential for the choice of appropriate treatment options for non-small cell lung cancer (NSCLC). Tumor tissue preservation in optimal cutting temperature (OCT) compound is commonly used in the surgical suite. However, proteins recovered from OCT-embedded specimens pose a challenge for LC-MS/MS experiments, due to the large amounts of polymers present in OCT...
July 27, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28730077/proteomic-profiling-of-early-degenerative-retina-of-rcs-rats
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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