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https://www.readbyqxmd.com/read/29149759/dusp1-alleviates-cardiac-ischemia-reperfusion-injury-by-suppressing-the-mff-required-mitochondrial-fission-and-bnip3-related-mitophagy-via-the-jnk-pathways
#1
Qinhua Jin, Ruibing Li, Nan Hu, Ting Xin, Pingjun Zhu, Shunying Hu, Sai Ma, Hong Zhu, Jun Ren, Hao Zhou
Mitochondrial fission and selective mitochondrial autophagy (mitophagy) form an essential axis of mitochondrial quality control that plays a critical role in the development of cardiac ischemia-reperfusion (IR) injury. However, the precise upstream molecular mechanism of fission/mitophagy remains unclear. Dual-specificity protein phosphatase1 (DUSP1) regulates cardiac metabolism, but its physiological contribution in the reperfused heart, particularly its influence on mitochondrial homeostasis, is unknown. Here, we demonstrated that cardiac DUSP1 was downregulated following acute cardiac IR injury...
November 6, 2017: Redox Biology
https://www.readbyqxmd.com/read/29149492/effects-of-tao-hong-si-wu-decoction-on-acute-blood-stasis-in-rats-based-on-a-lc-q-tof-ms-metabolomics-and-network-approach
#2
Qi Ma, Peng-Ling Li, Yong-Li Hua, Peng Ji, Wan-Ling Yao, Xiao-Song Zhang, Li-Jia Zhong, Yan-Ming Wei
A novel approach using metabolomics coupled with a metabolic network was used to investigate the effects of THSWD on the rat model of acute blood stasis syndrome. Acute blood stasis syndrome was induced by placing the rats in ice-cold water following two injections with epinephrine. The hemorheological indicators (WBV and PV), and the blood coagulation indicators (TT, PT, APTT, and FIB) were detected. The nonparametric univariate method and multivariate statistical analysis were performed for determining the potential biomarkers...
November 17, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29149484/comparative-analysis-of-proteomes-between-diabetic-and-normal-human-sperm-insights-into-the-effects-of-diabetes-on-male-reproduction-based-on-the-regulation-of-mitochondria-related-proteins
#3
Tian An, Yue-Fen Wang, Jia-Xian Liu, Yan-Yun Pan, Yu-Fei Liu, Zhong-Chen He, Fang-Fang Mo, Jun Li, Li-Hua Kang, Yu-Jie Gu, Bo-Han Lv, Si-Huan Gao, Guang-Jian Jiang
This study sought to identify sources of the reduced fertility of men with type 2 diabetes mellitus. Significant reductions in semen volume, sperm concentration, and total sperm count were observed in diabetic individuals, while transmission electron microscopy revealed that the structure of mitochondria in the tail of sperm from diabetic patients was damaged. Proteins potentially associated with these sperm defects were identified using proteomics. Isobaric tagging for relative and absolute quantitation labeling and high-performance liquid chromatography-tandem mass spectrometry allowed us to identify 357 proteins significantly differentially expressed in diabetic versus control semen (>1...
November 17, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/29149457/hmgb1-controls-liver-cancer-initiation-through-yap-dependent-aerobic-glycolysis
#4
Ruochan Chen, Shan Zhu, Xue-Gong Fan, Haichao Wang, Michael T Lotze, Herbert J Zeh, Timothy R Billiar, Rui Kang, Daolin Tang
Emerging studies have suggested that the Hippo pathway is involved in the tumorigenesis of hepatocellular carcinoma (HCC). However, the key regulator of the Hippo pathway in liver tumor metabolic reprogramming remains elusive. Here, we provide evidence to support that high mobility group box 1 (HMGB1), a chromosomal protein, plays a role in the regulation of the Hippo pathway during liver tumorigenesis. Cre/loxP recombination-mediated HMGB1 depletion in hepatocytes blocks diethylnitrosamine-induced liver cancer initiation in mice, whereas shRNA-mediated gene silencing of HMGB1 inhibits HCC cell proliferation...
November 17, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29149453/melatonin-and-serotonin-mediators-in-the-symphony-of-plant-morphogenesis
#5
Lauren A E Erland, Mukund R Shukla, Amritpal S Singh, Susan J Murch, Praveen K Saxena
Melatonin and serotonin are important signaling and stress mitigating molecules that play important roles across growth and development in plants. Despite many well-documented responses, a systematic investigation of the entire metabolic pathway (tryptophan, tryptamine and N-acetylserotonin) does not exist, leaving many open questions. The objective of this study was to determine the responses of Hypericum perforatum (L.) to melatonin, serotonin and their metabolic precursors. Two well characterized germplasm lines (#4 and 112) created by mutation and a haploid breeding program were compared to wildtype to identify specific responses...
November 17, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/29149404/the-translational-controlled-tumour-protein-tctp-biological-functions-and-regulation
#6
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/29149247/quantitative-proteomic-profiling-of-bovine-follicular-fluid-during-follicle-development
#7
Rodrigo de Andrade Ferrazza, Elizabeth Moreira Dos Santos Schmidt, Monika Mihm Carmichael, Fabiana Ferreira de Souza, Richard Burchmore, Roberto Sartori, Peter David Eckersall, João Carlos Pinheiro Ferreira
Bovine follicular fluid (FF) constitutes the microenvironment of follicles and includes various biologically active proteins. We performed a study involving 18 healthy non-lactating Holstein cows to determine the protein expression profile of FF at key-stages of follicular development. Follicles were individually aspirated in vivo at pre-deviation (F1∼7.0mm); deviation (F1∼8.5mm); post-deviation (F1∼12.0mm); and pre-ovulatory stages of follicle development, which were confirmed by measurement of follicular estradiol and progesterone concentrations...
November 15, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29149207/evolution-of-the-metabolome-in-response-to-selection-for-increased-immunity-in-populations-of-drosophila-melanogaster
#8
Navdeep Gogna, Rakesh Sharma, Vanika Gupta, Kavita Dorai, N G Prasad
We used NMR-based metabolomics to test two hypotheses-(i) there will be evolved differences in the metabolome of selected and control populations even under un-infected conditions and (ii) post infection, the metabolomes of the selected and control populations will respond differently. We selected replicate populations of Drosophila melanogaster for increased survivorship (I) against a gram-negative pathogen. We subjected the selected (I) and their control populations (S) to three different treatments: (1) infected with heat-killed bacteria (i), (2) sham infected (s), and (3) untreated (u)...
2017: PloS One
https://www.readbyqxmd.com/read/29149178/drivers-of-genetic-diversity-in-secondary-metabolic-gene-clusters-within-a-fungal-species
#9
Abigail L Lind, Jennifer H Wisecaver, Catarina Lameiras, Philipp Wiemann, Jonathan M Palmer, Nancy P Keller, Fernando Rodrigues, Gustavo H Goldman, Antonis Rokas
Filamentous fungi produce a diverse array of secondary metabolites (SMs) critical for defense, virulence, and communication. The metabolic pathways that produce SMs are found in contiguous gene clusters in fungal genomes, an atypical arrangement for metabolic pathways in other eukaryotes. Comparative studies of filamentous fungal species have shown that SM gene clusters are often either highly divergent or uniquely present in one or a handful of species, hampering efforts to determine the genetic basis and evolutionary drivers of SM gene cluster divergence...
November 17, 2017: PLoS Biology
https://www.readbyqxmd.com/read/29149079/sphingosine-1-phosphate-s1p-signaling-in-glioblastoma-multiforme-a-systematic-review
#10
REVIEW
Shailaja Mahajan-Thakur, Sandra Bien-Möller, Sascha Marx, Henry Schroeder, Bernhard H Rauch
The multifunctional sphingosine-1-phosphate (S1P) is a lipid signaling molecule and central regulator in the development of several cancer types. In recent years, intriguing information has become available regarding the role of S1P in the progression of Glioblastoma multiforme (GBM), the most aggressive and common brain tumor in adults. S1P modulates numerous cellular processes in GBM, such as oncogenesis, proliferation and survival, invasion, migration, metastasis and stem cell behavior. These processes are regulated via a family of five G-protein-coupled S1P receptors (S1PR1-5) and may involve mainly unknown intracellular targets...
November 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29149030/using-next-generation-sequencing-to-detect-differential-expression-genes-in-bradysia-odoriphaga-after-exposure-to-insecticides
#11
Haoliang Chen, Lulu Lin, Farman Ali, Minghui Xie, Guangling Zhang, Weihua Su
Bradysia odoriphaga (Diptera: Sciaridae) is the most important pest of Chinese chive. Insecticides are used widely and frequently to control B. odoriphaga in China. However, the performance of the insecticides chlorpyrifos and clothianidin in controlling the Chinese chive maggot is quite different. Using next generation sequencing technology, different expression unigenes (DEUs) in B. odoriphaga were detected after treatment with chlorpyrifos and clothianidin for 6 and 48 h in comparison with control. The number of DEUs ranged between 703 and 1161 after insecticide treatment...
November 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29148594/metabolic-study-of-paeoniflorin-and-total-paeony-glucosides-from-paeoniae-radix-rubra-in-rats-by-high-performance-liquid-chromatography-coupled-with-sequential-mass-spectrometry-uplc-esi-ms-n
#12
Lijun Zhu, Shanshan Sun, Yanxi Hu, Yufeng Liu
A clear understanding of the metabolism of Traditional Chinese Medicine (TCM) is extremely important in their rational clinical application and effective material foundation research. A novel and reliable strategy was performed to find more metabolites of paeoniflorin, determine the metabolites of total paeony glucosides (TPG) by means of determining those metabolites of paeoniflorin, and compare the metabolism differences between paeoniflorin and TPG by intragastric administration. This strategy was characterized as follows: firstly, the rats were divided into two groups (the paeoniflorin group and the TPG group) to find different metabolism mechanism between paeoniflorin and TPG; secondly, UPLC-FT-ICR MS and UPLC-Q-TOF MS(2) were applied to obtain accurate molecular weight and structural information respectively; thirdly, the metabolites were tentatively identified by a combination of data-processing methods including mass defect screening, characteristic neutral loss screening and product ion screening; finally, a comparative study was employed in the metabolism of paeoniflorin and TPG...
November 17, 2017: Biomedical Chromatography: BMC
https://www.readbyqxmd.com/read/29148584/metabolic-effects-of-p-p-dde-on-atlantic-salmon-hepatocytes
#13
Pål A Olsvik, Liv Søfteland
Decades after being banned in many countries, DDT and its metabolites are still considered major environmental hazards. The p,p'-DDE isomer, the DDT metabolite found in highest concentration in aquaculture feeds, is an endocrine disruptor with demonstrated ability to induce epigenetic effects. This study aimed at examining the impact of p,p'-DDE on Atlantic salmon. Primary hepatocytes were exposed to four concentrations of p,p'-DDE (0.1, 1, 10, 100 μm) for 48 hours, and endpoints included cytotoxicity, global DNA methylation, targeted transcription and metabolomics profiling (100 μm)...
November 17, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/29148541/integrated-genomic-analysis-identifies-deregulated-jak-stat-myc-biosynthesis-axis-in-aggressive-nk-cell-leukemia
#14
Liang Huang, Dan Liu, Na Wang, Shaoping Ling, Yuting Tang, Jun Wu, Lingtong Hao, Hui Luo, Xuelian Hu, Lingshuang Sheng, Lijun Zhu, Di Wang, Yi Luo, Zhen Shang, Min Xiao, Xia Mao, Kuangguo Zhou, Lihua Cao, Lili Dong, Xinchang Zheng, Pinpin Sui, Jianlin He, Shanlan Mo, Jin Yan, Qilin Ao, Lugui Qiu, Hongsheng Zhou, Qifa Liu, Hongyu Zhang, Jianyong Li, Jie Jin, Li Fu, Weili Zhao, Jieping Chen, Xin Du, Guoliang Qing, Hudan Liu, Xin Liu, Gang Huang, Ding Ma, Jianfeng Zhou, Qian-Fei Wang
Aggressive NK-cell leukemia (ANKL) is a rare form of NK cell neoplasm that is more prevalent among people from Asia and Central and South America. Patients usually die within days to months, even after receiving prompt therapeutic management. Here we performed the first comprehensive study of ANKL by integrating whole genome, transcriptome and targeted sequencing, cytokine array as well as functional assays. Mutations in the JAK-STAT pathway were identified in 48% (14/29) of ANKL patients, while the extracellular STAT3 stimulator IL10 was elevated by an average of 56-fold (P < 0...
November 17, 2017: Cell Research
https://www.readbyqxmd.com/read/29148069/long-term-oral-exposure-to-safe-dose-of-bisphenol-a-in-association-with-high-fat-diet-stimulate-the-prostatic-lesions-in-a-rodent-model-for-prostate-cancer
#15
Camila H Facina, Silvana G P Campos, Bianca F Gonçalves, Rejane M Góes, Patricia S L Vilamaior, Sebastião R Taboga
BACKGROUND: Studies have shown that exposure to environmental chemicals known as endocrine disruptors can cause permanent changes in genital organs, such as the prostate. Among these environmental chemicals stands out bisphenol A (BPA). Another factor associated with prostate changes is the consumption of a high-fat diet. Although the relationship between the consumption of a high-fat diet and an increased risk of prostate cancer is well established, the mechanisms that lead to the establishment of this disease are not completely understood, nor the simultaneous action of BPA and high-fat diet...
November 17, 2017: Prostate
https://www.readbyqxmd.com/read/29147967/association-of-inflammatory-bowel-disease-with-arthritis-evidence-from-in-silico-gene-expression-patterns-and-network-topological-analysis
#16
Anukriti Verma, Pallavi Somvanshi, Shafiul Haque, Bhawna Rathi, Shivani Sharda
Inflammatory bowel disease (IBD) is an idiopathic prolonged ailment accountable for inflammatory conditions of the intestine. Moreover, arthritis is responsible for joints' stiffness and painful inflammation. IBD shows certain articular extra-intestinal manifestations associating IBD with arthritis. IBD associated arthritis is found to be linked with ankylosing spondylitis (AS). The present study insights for the potential and putative drug targets and biomarkers of IBD associated with arthritis using in silico approaches...
November 17, 2017: Interdisciplinary Sciences, Computational Life Sciences
https://www.readbyqxmd.com/read/29147762/phenotypic-effects-and-inhibition-of-botrydial-biosynthesis-induced-by-different-plant-based-elicitors-in-botrytis-cinerea
#17
Eva Liñeiro, Antonio J Macias-Sánchez, Marisa Espinazo, Jesús M Cantoral, Javier Moraga, Isidro G Collado, Francisco J Fernández-Acero
Botrytis cinerea is considered a model organism for the study of plant-pathogen interaction showing great genetic diversity and a high degree of morphological variability depending on environmental conditions. The use of new compounds and plant-based elicitors may trigger the expression of different B. cinerea genes, providing new sources of virulence factors. This work is focused on elucidating the phenotypic effect in B. cinerea of different carbon sources such as glucose, cellulose and tomato cell walls (TCW)...
November 17, 2017: Current Microbiology
https://www.readbyqxmd.com/read/29147650/mitochondria-associated-microrna-expression-profiling-of-heart-failure
#18
Xiaoxia Wang, Chun Song, Xiao Zhou, Xiaorui Han, Jun Li, Zengwu Wang, Haibao Shang, Yuli Liu, Huiqing Cao
Heart failure (HF) is associated with mitochondrial dysfunction and energy metabolism impairment. MicroRNAs are implicated in the development of heart failure. However, the mitochondria enriched microRNA during heart failure remains elusive. Here, we generated a pressure overload-induced early and late stage heart failure model at 4 weeks and 8 weeks following transverse aortic constriction (TAC) in mice. We found that expression of mitochondrion protein COX4 was highly enriched in isolated mitochondria from cardiac tissues while GAPDH could hardly be detected...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29147649/knockdown-of-sirt1-suppresses-bladder-cancer-cell-proliferation-and-migration-and-induces-cell-cycle-arrest-and-antioxidant-response-through-foxo3a-mediated-pathways
#19
Qingxuan Hu, Gang Wang, Jianping Peng, Guofeng Qian, Wei Jiang, Conghua Xie, Yu Xiao, Xinghuan Wang
Bladder cancer (BCa) is one of the most common tumors, but its underlying mechanism has not been fully clarified. Our transcriptome analysis suggested a close link of Sirtuins, Peroxisome Proliferator-Activated Receptor (PPAR), cell cycle regulation, reactive oxygen species (ROS) metabolism, and Forkhead Box Class O (FOXO) signaling pathway in BCa. SIRT1 is a key member of Sirtuins, playing important roles in aging and energy metabolism, which has been reported to be involved in various metabolic diseases and tumors...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29146961/identification-of-host-dead-box-rna-helicases-that-regulate-cellular-tropism-of-oncolytic-myxoma-virus-in-human-cancer-cells
#20
Masmudur M Rahman, Eugenie Bagdassarian, Mohamed A M Ali, Grant McFadden
Myxoma virus (MYXV), a Leporipoxvirus, is being developed as an oncolytic virotherapeutic for the treatment of a variety of human cancers. MYXV tropism for human cancer cells is largely mediated by intracellular signaling networks that regulate viral replication or innate antiviral response pathways. Thus, MYXV is fully or partially permissive for the majority of human cancer cells that harbor defects in antiviral signaling, but a minority are nonpermissive because the virus infection aborts before its completion...
November 16, 2017: Scientific Reports
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