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Heat shock protein 70

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https://www.readbyqxmd.com/read/28088747/decreased-s100b-serum-levels-after-treatment-in-bipolar-patients-in-a-manic-phase
#1
Meng-Chang Tsai, Tiao-Lai Huang
BACKGROUND: Previous studies have suggested that patients with bipolar disorder might have brain damage. The aim of this study was to investigate the serum levels of brain injury biomarkers and S100A10 in bipolar patients in a manic phase, and evaluate the changes in S100B, neuron specific enolase (NSE), heat shock protein 70 (HSP70) and S100A10 after treatment. METHOD: We consecutively enrolled 17 bipolar inpatients in a manic phase and 30 healthy subjects. Serum brain injury biomarkers and S100A10 were measured with assay kits...
January 3, 2017: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28077200/expression-of-heat-shock-protein-70-in-transport-stressed-broiler-pectoralis-major-muscle-and-its-relationship-with-meat-quality
#2
T Xing, M F Wang, M Y Han, X S Zhu, X L Xu, G H Zhou
Omics research has indicated that heat shock protein 70 (HSP70) is a potential biomarker of meat quality. However, the specific changes and the potential role of HSP70 in postmortem meat quality development need to be further defined. In this study, Arbor Acres broiler chickens (n=126) were randomly categorized into three treatment groups of unstressed control (C), 0.5-h transport (T) and subsequent water shower spray following transport (T/W). Each treatment consisted of six replicates with seven birds each...
January 12, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28074287/responses-triggered-in-chloroplast-of-chlorella-variabilis-nc64a-by-long-term-association-with-paramecium-bursaria
#3
Ekaterina Minaeva, Elena Ermilova
The unicellular green alga Chlorella variabilis NC64A is an endosymbiont of the ciliate Paramecium bursaria. The host's control, including the transfer of biochemical substrates from P. bursaria to C. variabilis, is involved in symbiotic relationships. C. variabilis NC64A that had been re-infected to P. bursaria for more than 1 year and isolated from the host showed higher chlorophyll levels compared to those in free-living cells. Unlike the host, the expression of C. variabilis NC64A heat shock 70 kDa protein was independent of establishment of endosymbiosis...
January 11, 2017: Protoplasma
https://www.readbyqxmd.com/read/28072431/expression-patterns-of-three-genes-under-short-and-long-term-cold-exposure-in-thitarodes-pui-lepidoptera-hepialidae-a-host-of-ophiocordyceps-sinensis
#4
Q Min, S Y Cheng, J F Xi, J Ma, T R Xin, B Xia, Z W Zou
:   BACKGROUND: Thitarodes larvae are the host of the caterpillar fungus Ophiocordyceps sinensis. Low temperature is the main environmental limitation for larvae growth. OBJECTIVE: To better understand the cold adaption process in T. pui larvae, the expression patterns of trehalose-6-phosphate synthase (TpTPS), heat shock protein 70 (TpHSP70), and heat shock protein 90 (TpHSP90) were investigated upon short and long-term exposure to 0°C. MATERIALS AND METHODS: The 6th instar T...
November 2016: Cryo Letters
https://www.readbyqxmd.com/read/28069903/improvement-of-in-vitro-produced-bovine-embryo-treated-with-coa-a-under-heat-stressed-condition
#5
Imran Khan, Kyeong-Lim Lee, Lianguang Xu, Ayman Mesalam, Mmr Chowdhury, Myeong-Don Joo, Ihsan-Ul- Haq, Bushra Mirza, Il-Keun Kong
Heat stress has large effects on reproduction including conception rate in cattle. In this study, we examined the effects of coagulansin-A (coa-A), a steroidal lactone, on acquired thermo tolerance during in vitro production of bovine embryos. Oocytes were incubated in in vitro maturation (IVM) media with or without coa-A at two different temperatures, 40.5 °C and 42 °C, for 20 h. The treatment of coa-A significantly improved blastocyst development only at 40.5 °C (P < 0.05). Interestingly, immunofluorescence analysis demonstrated that coa-A induced heat shock protein 70 (HSP70) and phosphatidylinositol-3-kinase (PI3K), but significantly attenuated nuclear factor kappa B (NF-kB) and cyclooxygenase-2 (COX2)...
January 9, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28068641/oil-palm-drought-inducible-dreb1-induced-expression-of-dre-crt-and-non-dre-crt-containing-genes-in-lowland-transgenic-tomato-under-cold-and-peg-treatments
#6
Azzreena Mohamad Azzeme, Siti Nor Akmar Abdullah, Maheran Abd Aziz, Puteri Edaroyati Megat Wahab
Dehydration-responsive element binding (DREB) transcription factor plays an important role in controlling the expression of abiotic stress responsive genes. An intronless oil palm EgDREB1 was isolated and confirmed to be a nuclear localized protein. Electrophoretic mobility shift and yeast one-hybrid assays validated its ability to interact with DRE/CRT motif. Its close evolutionary relation to the dicot NtDREB2 suggests a universal regulatory role. In order to determine its involvement in abiotic stress response, functional characterization was performed in oil palm seedlings subjected to different levels of drought severity and in EgDREB1 transgenic tomato seedlings treated by abiotic stresses...
December 27, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28064445/a-panel-of-autoantibodies-against-multiple-tumor-associated-antigens-for-detecting-gastric-cancer
#7
Isamu Hoshino, Matsuo Nagata, Nobuhiro Takiguchi, Yoshihiro Nabeya, Atsushi Ikeda, Sana Yokoi, Akiko Kuwajima, Masatoshi Tagawa, Kazuyuki Matsushita, Yajima Satoshi, Shimada Hideaki
Gastric cancer is the second leading cause of cancer deaths in the world, and effective diagnosis is extremely important for good outcome. We assessed the diagnostic potential of an autoantibody panel that may provide a novel tool for the early detection of gastric cancer. We analyzed data from patients with gastric cancer and normal controls in a test and validation cohorts. Autoantibody levels were measured against a panel of six tumor-associated antigens [TAAs; p53, heat shock protein 70 (HSP70), HCC-22-5, peroxiredoxin VI (Prx VI), KM-HN-1, and p90 TAA (CYP2A)] via ELISA...
January 8, 2017: Cancer Science
https://www.readbyqxmd.com/read/28064220/gene-expression-analysis-of-cultured-rat-endothelial-cells-after-nd-yag-laser-irradiation-by-affymetrix-genechip-array
#8
Yoshiko Masuda, Satoshi Yokose, Hiroshi Sakagami
Endothelial cells and dental pulp cells enhance osteo-/odontogenic and angiogenic differentiation. In our previous study, rat pulp cells migrated to Nd:YAG laser-irradiated endothelial cells in an insert cell culture system. The purpose of this study was to examine the possible changes in the gene expression of cultured rat aortic endothelial cells after Nd:YAG laser irradiation using affymetrix GeneChip Array. Total RNA was extracted from the cells at 5 h after laser irradiation. Gene expressions were evaluated by DNA array chip...
January 2017: In Vivo
https://www.readbyqxmd.com/read/28056803/de-novo-transcriptome-and-expression-profile-analyses-of-the-asian-corn-borer-ostrinia-furnacalis-reveals-relevant-flubendiamide-response-genes
#9
Li Cui, Changhui Rui, Daibin Yang, Zhenying Wang, Huizhu Yuan
BACKGROUND: The Asian corn borer (ACB), Ostrinia furnacalis (Guenée), has become the most damaging insect pest of corn in Asia. However, the lack of genome or transcriptome information heavily hinders our further understanding of ACB in every aspect at a molecular level and on a genome-wide scale. Here, we used the Ion Torrent Personal Genome Machine (PGM) Sequencer to explore the ACB transcriptome and to identify relevant genes in response to flubendiamide, showing high selective activity against ACB...
January 5, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28056792/elucidation-of-the-molecular-responses-of-a-cucumber-segment-substitution-line-carrying-pm5-1-and-its-recurrent-parent-triggered-by-powdery-mildew-by-comparative-transcriptome-profiling
#10
Qiang Xu, Xuewen Xu, Yang Shi, Xiaohua Qi, Xuehao Chen
BACKGROUND: Powdery mildew (PM) is one of the most severe fungal diseases of cucurbits, but the molecular mechanisms underlying PM resistance in cucumber remain elusive. In this study, we developed a PM resistant segment substitution line SSL508-28 that carried a segment on chromosome five representing the Pm5.1 locus from PM resistant donor Jin5-508 using marker-assisted backcrossing of an elite PM susceptible cucumber inbred line D8. RESULTS: Whole-genome resequencing of SSL508-28, Jin5-508 and D8 was performed to identify the exact boundaries of the breakpoints for this introgression because of the low density of available single sequence repeat markers...
January 5, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28054753/t-helper-2-cytokine-induced-heat-shock-protein-70-secretion-and-its-potential-association-with-allergic-rhinitis
#11
Hyun Jin Min, Kyung Soo Kim, Joo-Heon Yoon, Chang-Hoon Kim, Hyung-Ju Cho
BACKGROUND: Various inflammatory mediators have been found to be involved in the pathogenesis of allergic disease (AR). The role of heat shock proteins in AR has not been studied. The aim of this study was to investigate the levels of heat shock protein 70 (Hsp70) in the nasal lavage fluids of AR patients and controls to elucidate the role of Hsp70 in the pathogenesis of AR. METHODS: Using an enzyme-linked immunosorbent assay, the levels of Hsp70, Hsp90, interleukin (IL)-4, IL-13, and IL-8 in nasal lavage fluid from patients were measured and statistically analyzed...
January 5, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28045942/knock-down-of-whitefly-gut-gene-expression-and-mortality-by-orally-delivered-gut-gene-specific-dsrnas
#12
Meenal Vyas, Amir Raza, Muhammad Yousaf Ali, Muhammad Aleem Ashraf, Shahid Mansoor, Ahmad Ali Shahid, Judith K Brown
Control of the whitefly Bemisia tabaci (Genn.) agricultural pest and plant virus vector relies on the use of chemical insecticides. RNA-interference (RNAi) is a homology-dependent innate immune response in eukaryotes, including insects, which results in degradation of the corresponding transcript following its recognition by a double-stranded RNA (dsRNA) that shares 100% sequence homology. In this study, six whitefly 'gut' genes were selected from an in silico-annotated transcriptome library constructed from the whitefly alimentary canal or 'gut' of the B biotype of B...
2017: PloS One
https://www.readbyqxmd.com/read/28045701/unexpected-heat-shock-element-binding-ability-and-tumor-killing-activity-of-the-combinatorial-function-domain-of-apoptin
#13
Liqiu Zhang, Jia Yang, Lu Liu, Wei Tian, Ming Gao, Weiwei Song, Hong Ling, Xingli Dong
Apoptin, derived from the chicken anemia virus, has been found to exert tumor-preferential apoptotic activity. It is a potential anticancer agent with direct clinical applications. However, if this viral protein were to be used as a new drug, it might also induce a strong immune response, causing toxic side effects. In a previous study, our group showed that TAT-apoptin downregulates the stress expression of heat shock protein 70 by competing with heat shock factor protein 1 in binding to the heat shock element (HSE) of the promoter region of heat shock protein 70, thus inducing specific apoptosis in HepG2 cells...
December 29, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28043644/differential-expression-of-survival-proteins-during-decreased-intracellular-oxygen-tension-in-brain-endothelial-cells-of-grey-mullets
#14
Padmini Ekambaram, Meenakshi Narayanan, Parimala Parasuraman
The brain requires constant oxygen supply to perform its biological functions essential for survival. Because of low oxygen capacity and poor oxygen diffusibility of water, many fish species have evolved various adaptive mechanisms to cope with depleted oxygen. Endothelial cells (EC) are the primary components responsible for controlled environment of brain. Brain homeostasis largely depends on integrity of the EC. To elucidate their adaptive strategy, EC were isolated from the fish brain of Kovalam-control site and Ennore estuary-test/field hypoxic site and were subjected to low oxygen tension in laboratory...
December 30, 2016: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28043331/avermectin-induced-global-dna-hypomethylation-and-over-expression-of-heat-shock-proteins-in-cardiac-tissues-of-pigeon
#15
Ci Liu, Ye Cao, Shuo Zhou, Pervez Ahmed Khoso, Shu Li
Despite increasing evidences pointing to residues of avermectin (AVM) pose toxic effects on non-target organisms in environment, but the data in pigeon is insufficient. The alteration of global DNA methylation and response of heat shock proteins (Hsps) are important for assessing the AVM toxicity in cardiac tissues of pigeon (Columba livia). To investigate the effects of AVM exposure in cardiac tissues of pigeon, we detected the expression levels of DNA methyltransferases (Dnmts), methylated DNA-binding domain protein 2 (MBD2), and Hsp 60, 70 and 90...
January 2017: Pesticide Biochemistry and Physiology
https://www.readbyqxmd.com/read/28042771/oxidative-stress-pro-inflammatory-cytokines-and-antioxidants-regulate-expression-levels-of-micrornas-in-parkinson-s-disease
#16
Kedar N Prasad
Parkinson's disease (PD) is a slow progressive neurodegenerative disease associated with abnormal function of extrapyramidal system. Although several biochemical and genetic defects have been identified, increased oxidative stress and chronic inflammation are one of the earliest events that initiate and promote PD. Oxidative stress also participates in impaired non-motor symptoms.The levels of microRNAs that are evolutionarily conserved single-stranded non-coding RNAs of approximately 22 nucleotide in length are altered in PD...
January 2, 2017: Current Aging Science
https://www.readbyqxmd.com/read/28038712/heat-shock-proteins-hsp90-hsp70-and-grp78-expression-in-medullary-thyroid-carcinoma
#17
Ethan Soudry, Sagit Stern Shavit, Britta Hardy, Sarah Morgenstern, Tuvia Hadar, Raphael Feinmesser
BACKGROUND: Medullary thyroid carcinoma management consists mainly of surgical resection and is largely chemoresistant. There is ongoing effort to discover novel therapies for medullary thyroid carcinoma. Increased levels of heat shock proteins have been associated with multiple cancers and are being studied as potential therapeutic targets. The purpose of this study was to determine the expression levels of heat shock proteins 90 and 70 and of glucose related protein 78 in medullary thyroid carcinoma tissues compared with normal thyroid tissues...
February 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28034835/comparative-evaluation-of-dietary-probiotics-bacillus-subtilis-wb60-and-lactobacillus-plantarum-kctc3928-on-the-growth-performance-immunological-parameters-gut-morphology-and-disease-resistance-in-japanese-eel-anguilla-japonica
#18
Seunghan Lee, Kumar Katya, Youngjin Park, Seonghun Won, Minji Seong, Ali Hamidoghli, Sungchul C Bai
The current experiment was conducted to evaluate and compare the efficacy of two different probiotics Bacillus subtilis WB60 and Lactobacillus plantarum KCTC3928 in diet of Japanese eel, Anguilla japonica. Seven experimental diets were formulated to contain no probiotics (CON), three graded levels of B. subtilis at 10(6) (BS1), 10(7) (BS2), 10(8) (BS3) and L. plantarum at 10(6) (LP1), 10(7) (LP2), 10(8) (LP3) CFU/g diet. Twenty fish averaging 8.29 ± 0.06 g were distributed in to 21 aquaria and were randomly assigned to one of the experimental diets in triplicate groups...
December 26, 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28031489/unrestrained-ampylation-targets-cytosolic-chaperones-and-activates-the-heat-shock-response
#19
Matthias C Truttmann, Xu Zheng, Leo Hanke, Jadyn R Damon, Monique Grootveld, Joanna Krakowiak, David Pincus, Hidde L Ploegh
Protein AMPylation is a conserved posttranslational modification with emerging roles in endoplasmic reticulum homeostasis. However, the range of substrates and cell biological consequences of AMPylation remain poorly defined. We expressed human and Caenorhabditis elegans AMPylation enzymes-huntingtin yeast-interacting protein E (HYPE) and filamentation-induced by cyclic AMP (FIC)-1, respectively-in Saccharomyces cerevisiae, a eukaryote that lacks endogenous protein AMPylation. Expression of HYPE and FIC-1 in yeast induced a strong cytoplasmic Hsf1-mediated heat shock response, accompanied by attenuation of protein translation, massive protein aggregation, growth arrest, and lethality...
December 28, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28028182/domain-mapping-of-the-heat-shock-protein-70-reveals-that-glutamic-acid-446-and-arginine-447-are-critical-for-regulating-superoxide-dismutase-2-function
#20
Adeleye J Afolayan, Maxwell Alexander, Rebecca L Holme, Teresa Michalkiewicz, Ujala Rana, Ru-Jeng Teng, Sara Zemanovic, Daisy Sahoo, Kirkwood A Pritchard, Girija G Konduri
Stress-inducible heat shock protein 70 (hsp70) interacts with superoxide dismutase-2 (SOD2) in the cytosol after synthesis to transfer the enzyme to the mitochondria for subsequent activation. However, the structural basis for this interaction remains to be defined. To map the SOD2-binding site in hsp70, mutants of hsp70 were made and tested for their ability to bind SOD2. These studies showed that SOD2 binds in the amino acid 393-537 region of the chaperone. To map the hsp70-binding site in SOD2, we used a series of pulldown assays and showed that hsp70 binds to the amino-terminal domain of SOD2...
December 27, 2016: Journal of Biological Chemistry
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