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Heat shock proteins

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https://www.readbyqxmd.com/read/29155263/identification-and-characterisation-of-the-epididymal-proteins-in-the-lizard-eutropis-carinata-reptilia-squamata-schneider-1801
#1
R Medini, M Bhagya, S Samson
Lizards are seasonal breeders. Cyclic reproductive nature makes lizard as a useful model for the study of the reproductively active protein secretions in the epididymis. During breeding season, the epididymides of the lizard secret proteins that mixes with the spermatozoa and create a favourable environment for sperm maturation. In this spectrum, the aim of this study is to identify and characterize proteins which are present in the lumen of the epididymis of the lizard, E. carinata during the active phase of reproduction...
November 16, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29154928/sequence-analysis-of-the-thrombospondin-related-adhesive-protein-gene-and-heat-shock-protein-70-of-babesia-gibsoni-isolated-from-dogs-in-nanjing-china
#2
Huan-Ran Lin, Xiao-Ting Mei, Yu-Fang Hong, Yan-Bing Zhao, Xiao-Nan Guo, De-Ji Yang, Da-Wei Yao
In this study, the thrombospondin-related adhesive protein (TRAP) gene and the heat shock protein 70 (Hsp70) gene of Babesia gibsoni isolated from the naturally infected dog in the Nanjing area were cloned and sequenced. Twenty blood samples were collected from the suspected cases of babesiosis at the animal hospital of Nanjing Agriculture University. Genomic DNA was extracted from the blood samples, and the 18S rDNAs were amplified by PCR to confirm Babesia infection. As a result, 10 cases of Babesia 18S rDNA gene amplification were positive in the 20 blood samples, confirming that the 10 cases were infected with canine Babesia...
November 14, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29154872/starvation-thermal-and-heavy-metal-associated-expression-of-four-small-heat-shock-protein-genes-in-musca-domestica
#3
Lu Tian, Xiaoyun Wang, Xiaoping Wang, Chaoliang Lei, Fen Zhu
In this study, starvation-, thermal- and heavy metal-associated expression of four small Musca domestica HSPs (abbreviated as MdomHSPs and they are MdomHSP10, MdomHSP27, MdomHSP27.1 and MdomHSP27.2) were determined. The following results were found: All MdomHSPs were significantly higher expressed during the active larval and adult stages than the egg and pupal stages; All MdomHSPs were expressed at relatively equal levels in the head, thorax and abdomen of adults; The expression of MdomHSP27 was significantly down-regulated in 4-day-old larvae that were starved for 6h, while the other 3 MdomHSPs were not significantly affected; Thermal treatment altered the expression of MdomHSPs in 4-day-old larvae: MdomHSP10 was significantly down-regulated in 4-day-old larvae that were maintained at 4°C and 37°C than in those that were maintained at 25°C; Lead, cadmium and chromium exposure influenced larval expression of MdomHSPs to varying degrees...
November 14, 2017: Gene
https://www.readbyqxmd.com/read/29154460/elevated-co2-increases-r-gene-dependent-resistance-of-medicago-truncatula-against-the-pea-aphid-by-up-regulating-a-heat-shock-gene
#4
Yucheng Sun, Huijuan Guo, Erliang Yuan, Feng Ge
Resistance against pathogens and herbivorous insects in many plant results from the expression of resistance (R) genes. Few reports, however, have considered the effects of elevated CO2 on R gene-based resistance in plants. The current study determined the responses of two near isogenic Medicago truncatula genotypes (Jester has an R gene and A17 does not) to the pea aphid and elevated CO2 in open-top chambers in the field. Aphid abundance, mean relative growth rate and feeding efficiency were increased by elevated CO2 on A17 plants but were reduced on Jester plants...
November 20, 2017: New Phytologist
https://www.readbyqxmd.com/read/29154438/impact-of-heat-shock-protein-60kd-in-combination-with-outer-membrane-proteins-on-immune-response-against-brucella-melitensis
#5
Tooba Abbassi-Daloii, Soheil Yousefi, Mohammad Hadi Sekhavati, Mojtaba Tahmoorespur
Brucellosis caused by the bacterium Brucella affects various domestic and wild species. The outer membrane proteins 25 and 31 play key roles on stimulation of cell-mediated immune response against Brucella. GroEL as one of the major Brucella antigens stimulates the immune system and increases intracellular survival of bacteria. In the present study, we assumed injection of GroEL in combination with OMP25 and OMP31 would offer higher immunity levels. So, the impact of GroEL with different concentrations of recombinant outer membrane proteins emulsified in Chitosan Nanoparticles on immune responses was evaluated in mice model...
November 20, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/29154218/proteomics-of-dark-cutting-longissimus-thoracis-muscle-from-heifer-and-steer-carcasses
#6
Shahid Mahmood, Nancy Turchinsky, Francois Paradis, Walter T Dixon, Heather L Bruce
Studies have suggested that the phenomenon of dark cutting (Canada B4) beef may also be related to muscle glycolytic proteins. The objective of this study, therefore, was to analyze longissimus thoracis (LT; n=23), from Canada AA (n=8), atypical (AB4; pH<5.9, n=8) and typical (TB4; pH>5.9, n=7) B4 heifer and steer carcasses, for sarcoplasmic and myofibrillar proteins using 2-D gel electrophoresis and LC-MS/MS mass spectrometry. Results indicated that AB4 LT had intramuscular pH and lactate concentration similar to Canada AA but lower (P<0...
November 10, 2017: Meat Science
https://www.readbyqxmd.com/read/29154013/the-potential-of-the-newly-isolated-thermotolerant-yeast-pichia-kudriavzevii-rz8-1-for-high-temperature-ethanol-production
#7
Nuttaporn Chamnipa, Sudarat Thanonkeo, Preekamol Klanrit, Pornthap Thanonkeo
High potential, thermotolerant, ethanol-producing yeasts were successfully isolated in this study. Based on molecular identification and phylogenetic analysis, the isolated thermotolerant yeasts were clustered in the genera of Pichia kudriavzevii, Candida tropicalis, Candida orthopsilosis, Candida glabrata and Kodamea ohmeri. A comparative study of ethanol production using 160g/L glucose as a substrate revealed several yeast strains that could produce high ethanol concentrations at high temperatures. When sugarcane bagasse (SCB) hydrolysate containing 85g/L glucose was used as a substrate, the yeast strain designated P...
November 4, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/29152084/the-stromal-morphological-changes-for-differential-diagnosis-of-uninodular-high-grade-dysplastic-nodule-and-well-differentiated-small-hepatocellular-carcinoma
#8
Long-Hai Feng, Han Wang, Hui Dong, Yu-Yao Zhu, Wen-Ming Cong
Aim: The stromal invasion has been regarded as the most valuable clue to distinguish high-grade dysplastic nodules (HGDNs) and well-differentiated small hepatocellular carcinomas (WD-SHCCs). The purposes of this study are to explore the stromal morphological changes for the differential diagnosis of these two equivocal lesions. Results: Based on the systemic studies of histological characteristics of HGDNs and WD-SHCCs, the stromal morphological changes, including sinusoid capillarization, ductular reaction and solitary artery, were performed to make a differential diagnosis between them...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151914/a-correlation-analysis-between-tumor-imaging-changes-and-p-akt-and-hsp70-expression-in-tumor-cells-after-osteosarcoma-chemotherapy
#9
Feng Ji, Ran Lv, Ting Zhao
This study sought to investigate osteosarcoma property changes after neoadjuvant chemotherapy and to analyze any correlation between changes with phospho-AKT (p-AKT) and heat shock protein 70 (HSP70) expression in osteosarcoma cells. Thirty patients with osteosarcoma treated at Liaocheng People's Hospital between January and October, 2016 were given an imaging examination before and after neoadjuvant chemotherapy to examine osteosarcoma tumor properties, with images scored. Immunohistochemistry was used to determine p-AKT and HSP70 expression levels, as well as tumor cell necrosis rate (TCNR), in specimens obtained before and after chemotherapy...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29151886/optogenetic-regulation-of-artificial-microrna-improves-h2-production-in-green-alga-chlamydomonas-reinhardtii
#10
Yuting Wang, Xinqin Jiang, Changxing Hu, Ting Sun, Zhiyong Zeng, Xiaoqi Cai, Hui Li, Zhangli Hu
Background: Chlamydomonas reinhardtii is an ideal model organism not only for the study of basic metabolic processes in both plants and animals but also the production of biofuels including hydrogen. Transgenic analysis of C. reinhardtii is now well established and very convenient, but inducible exogenous gene expression systems remain under-studied. The most commonly used heat shock-inducible system has serious effects on algal cell growth and is difficult and costly to control in large-scale culture...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/29151592/diet-resistant-obesity-is-characterized-by-a-distinct-plasma-proteomic-signature-and-impaired-muscle-fiber-metabolism
#11
A B Thrush, G Antoun, M Nikpay, D A Patten, C DeVlugt, J-F Mauger, B L Beauchamp, P Lau, R Reshke, É Doucet, P Imbeault, R Boushel, D Gibbings, J Hager, A Valsesia, R Slack, O Y Al-Dirbashi, R Dent, R McPherson, M-E Harper
BACKGROUND/OBJECT: Inter-individual variability in weight loss during obesity treatment is complex and poorly understood. Here we use whole body and tissue approaches to investigate fuel oxidation characteristics in skeletal muscle fibers, cells, and distinct circulating protein biomarkers before and after a high fat meal (HFM) challenge in those who lost the most (obese diet-sensitive; ODS), vs the least (obese diet-resistant; ODR) amount of weight in a highly controlled weight management program...
November 20, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29151140/effects-of-oxygen-availability-on-oxidative-stress-biomarkers-in-the-mediterranean-mussel-mytilus-galloprovincialis
#12
Alessia Giannetto, Maria Maisano, Tiziana Cappello, Sabrina Oliva, Vincenzo Parrino, Antonino Natalotto, Giuseppe De Marco, Salvatore Fasulo
In aquatic environments, hypoxia and oxygen-deficient areas are increasing worldwide. Transitions in oxygen levels can influence the production of reactive oxygen species (ROS), eventually leading to oxidative stress. The transcriptional response of oxidative stress biomarkers was evaluated by qPCR in gill tissue from Mytilus galloprovincialis experimentally subjected to 48-h air exposure followed by 48-h re-oxygenation, as compared to normoxic control mussels. Superoxide dismutases (CuZnsod and Mnsod), catalase (cat), and glutathione S-transferase (gst) were over-expressed early after 8-h air exposure and returned to normoxic levels during re-oxygenation...
November 18, 2017: Marine Biotechnology
https://www.readbyqxmd.com/read/29151033/induction-of-dendritic-cell-mediated-activation-of-t-cells-from-atherosclerotic-plaques-by-human-heat-shock-protein-60
#13
Mizanur Rahman, Johnny Steuer, Peter Gillgren, Assim Hayderi, Anquan Liu, Johan Frostegård
BACKGROUND: Atherosclerosis is characterized by the presence of activated immune-competent cells including dendritic cells (DCs) and T cells, dead cells, and oxidized low-density lipoprotein. HSP60 (Heat shock protein 60) has been implicated in atherosclerosis. A plasma protein, Annexin A5, has atheroprotective properties. METHODS AND RESULTS: Human DCs differentiated from peripheral blood monocytes were treated with human HSP60 or HSP90 and autologous T cells were cocultured with these pretreated DCs (mDCs)...
November 18, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29149404/the-translational-controlled-tumour-protein-tctp-biological-functions-and-regulation
#14
Ulrich-Axel Bommer
The Translational Controlled Tumour Protein TCTP (gene symbol TPT1, also called P21, P23, Q23, fortilin or histamine-releasing factor, HRF) is a highly conserved protein present in essentially all eukaryotic organisms and involved in many fundamental cell biological and disease processes. It was first discovered about 35 years ago, and it took an extended period of time for its multiple functions to be revealed, and even today we do not yet fully understand all the details. Having witnessed most of this history, in this chapter, I give a brief overview and review the current knowledge on the structure, biological functions, disease involvements and cellular regulation of this protein...
2017: Results and Problems in Cell Differentiation
https://www.readbyqxmd.com/read/29148802/ppb-peptide-mediated-sirna-loaded-stable-nucleic-acid-lipid-nanoparticles-on-targeting-therapy-of-hepatic-fibrosis
#15
Zongxiang Jia, Yan Gong, Yufang Pi, Xueying Liu, Lipeng Gao, Liqing Kang, Jing Wang, Fan Yang, Jie Tang, Weiyue Lu, Qinghua Li, Wei Zhang, Zhiqiang Yan, Lei Yu
Hepatic fibrosis is a necessary process in the development of liver diseases such as hepatic cirrhosis and its complications, which has become a serious threat to human health. Currently, antifibrotic drug treatment is ineffective, and one of the reasons should be the lack of liver targeting ability. In this report, polypeptide pPB modified stable nucleic acid lipid nanoparticles (pPB-SNALP) were prepared to selectively deliver siRNAs against heat shock protein 47 (HSP47) to liver for targeted therapy of hepatic fibrosis...
November 17, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29147715/the-impact-of-ultraviolet-b-uv-b-radiation-in-combination-with-different-temperatures-in-the-early-life-stage-of-zebrafish-danio-rerio
#16
Feyza Icoglu Aksakal, Abdulkadir Ciltas
Ultraviolet B (UV-B) radiation is an environmental stressor with detrimental effects on many aquatic organisms including fish. In addition, UV-B exposure combined with other environmental factors could have even more negative effects. The purpose of this study was to investigate the effect of UV-B radiation exposure on zebrafish embryos/larvae in terms of survival, developmental toxicity and the mRNA levels of the genes related to oxidative stress and innate immune response at different temperatures (24 °C, 28 °C and 30 °C)...
November 17, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/29146915/transcriptional-profiling-provides-new-insights-into-the-role-of-nitric-oxide-in-enhancing-ganoderma-oregonense-resistance-to-heat-stress
#17
Cheng Chen, Qiang Li, Qiangfeng Wang, Daihua Lu, Hong Zhang, Jian Wang, Rongtao Fu
Ganoderma is well known for its use in traditional Chinese medicine and is widely cultivated in China, Korea, and Japan. Increased temperatures associated with global warming are negatively influencing the growth and development of Ganoderma. Nitric oxide is reported to play an important role in alleviating fungal heat stress (HS). However, the transcriptional profiling of Ganoderma oregonense in response to HS, as well as the transcriptional response regulated by NO to cope with HS has not been reported. We used RNA-Seq technology to generate large-scale transcriptome data from G...
November 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29146887/targeted-therapy-of-gastroenteropancreatic-neuroendocrine-tumours-preclinical-strategies-and-future-targets
#18
Elke Tatjana Aristizabal Prada, Christoph J Auernhammer
Molecular targeted therapy of advanced neuroendocrine tumours (NETs) of the gastroenteropancreatic (GEP) system currently encompasses approved therapy with the mTOR-inhibitor everolimus and the multi-tyrosinkinase inhibitor sunitinib. However clinical efficacy of these treatment strategies is limited by low objective response rates and limited progression free survival due to tumor resistance. Further novel strategies for molecular targeted therapy of NETs of the GEP-system are needed. This paper reviews preclinical research models and signaling pathways in NETs of the GEP-system...
November 16, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/29145455/association-of-polymorphisms-in-heat-shock-protein-70-genes-with-the-susceptibility-to-noise-induced-hearing-loss-a-meta-analysis
#19
Shimin Zong, Xue Zeng, Tianyi Liu, Fangmin Wan, Pan Luo, Hongjun Xiao
BACKGROUND: Several case-control studies reported the relationship between single nucleotide polymorphisms (SNPs) in HSP70 genes and noise-induced hearing loss (NIHL). However, their conclusions are conflicting. This meta-analysis aims to identify the association of HSP70 variants and NIHL susceptibility. METHOD: A systematical literature search was performed in PubMed, Web of Science, EMBASE, and Wanfang Chinese database. The pooled odds radio (OR), 95% confidence interval (CI) and p value were calculated in fixed- or random-effects model according to the I2 value in the heterogeneity test...
2017: PloS One
https://www.readbyqxmd.com/read/29142970/cardiovascular-disease-biomarkers-and-supar-in-predicting-decline-in-renal-function-a-prospective-cohort-study
#20
Salim S Hayek, Yi-An Ko, Mosaab Awad, Hina Ahmed, Brandon Gray, Kareem Mohammed Hosny, Hiroshi Aida, Melissa J Tracy, Changli Wei, Sanja Sever, Jochen Reiser, Arshed A Quyyumi
Introduction: Soluble urokinase-type plasminogen activator receptor (suPAR) strongly predicts outcomes and incident chronic kidney disease (CKD) in patients with cardiovascular disease (CVD). Whether the association between suPAR and CKD is a reflection of its overall association with chronic inflammation and poor CVD outcomes is unclear. We examined whether CVD biomarkers, including high-sensitivity C-reactive protein (hs-CRP), fibrin-degradation products (FDPs), heat-shock protein 70 (HSP-70), and high-sensitivity troponin I (hs-TnI) were associated with a decline in kidney function in the Emory Cardiovascular Biobank cohort, in which suPAR levels were shown to be predictive of both incident CKD and CVD outcomes...
May 2017: KI Reports
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