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hormones and proteomics

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https://www.readbyqxmd.com/read/28087425/variations-of-metabolites-and-proteome-in-lonicera-japonica-thunb-buds-and-flowers-under-uv-radiation
#1
Wei Zhu, Wen Zheng, Xingjiang Hu, Xiaobao Xu, Lin Zhang, Jingkui Tian
Lonicera japonica Thunb., also known as Jin Yin Hua and Japanese honeysuckle, is used as a herbal medicine in Asian countries. Its flowers have been used in folk medicine in the clinic and in making food or healthy beverages for over 1500years in China. To investigate the molecular processes involved in L. japonica development from buds to flowers exposed to UV radiation, a comparative proteomics analysis was performed. Fifty-four proteins were identified as differentially expressed, including 42 that had increased expression and 12 that had decreased expression...
January 10, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28077082/the-arabidopsis-paralogs-pub46-and-pub48-encoding-u-box-e3-ubiquitin-ligases-are-essential-for-plant-response-to-drought-stress
#2
Guy Adler, Zvia Konrad, Lyad Zamir, Amit Kumar Mishra, Dina Raveh, Dudy Bar-Zvi
BACKGROUND: Plants respond to abiotic stress on physiological, biochemical and molecular levels. This includes a global change in their cellular proteome achieved by changes in the pattern of their protein synthesis and degradation. The ubiquitin-proteasome system (UPS) is a key player in protein degradation in eukaryotes. Proteins are marked for degradation by the proteasome by coupling short chains of ubiquitin polypeptides in a three-step pathway. The last and regulatory stage is catalyzed by a member of a large family of substrate-specific ubiquitin ligases...
January 11, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/28069826/endostatin-inhibits-androgen-independent-prostate-cancer-growth-by-suppressing-nuclear-receptor-mediated-oxidative-stress
#3
Joo Hyoung Lee, Minsung Kang, Hong Wang, Gurudatta Naik, James A Mobley, Guru Sonpavde, W Timothy Garvey, Victor M Darley-Usmar, Selvarangan Ponnazhagan
Androgen-deprivation therapy has been identified to induce oxidative stress in prostate cancer (PCa), leading to reactivation of androgen receptor (AR) signaling in a hormone-refractory manner. Thus, antioxidant therapies have gained attention as adjuvants for castration-resistant PCa. Here, we report for the first time that human endostatin (ES) prevents androgen-independent growth phenotype in PCa cells through its molecular targeting of AR and glucocorticoid receptor (GR) and downstream pro-oxidant signaling...
January 9, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28065164/plasma-proteome-and-metabolome-characterization-of-an-experimental-human-thyrotoxicosis-model
#4
Maik Pietzner, Beatrice Engelmann, Tim Kacprowski, Janine Golchert, Anna-Luise Dirk, Elke Hammer, K Alexander Iwen, Matthias Nauck, Henri Wallaschofski, Dagmar Führer, Thomas F Münte, Nele Friedrich, Uwe Völker, Georg Homuth, Georg Brabant
BACKGROUND: Determinations of thyrotropin (TSH) and free thyroxine (FT4) represent the gold standard in evaluation of thyroid function. To screen for novel peripheral biomarkers of thyroid function and to characterize FT4-associated physiological signatures in human plasma we used an untargeted OMICS approach in a thyrotoxicosis model. METHODS: A sample of 16 healthy young men were treated with levothyroxine for 8 weeks and plasma was sampled before the intake was started as well as at two points during treatment and after its completion, respectively...
January 9, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28062795/silac-based-proteomics-of-primary-human-kidney-cells-reveals-a-novel-link-between-male-sex-hormones-and-impaired-energy-metabolism-in-diabetic-kidney-disease
#5
Sergi Clotet, Maria Jose Soler, Marta Riera, Julio Pascual, Fei Fang, Joyce Zhou, Ihor Batruch, Stella K Vasiliou, Apostolos Dimitromanolakis, Clara Barrios, Eleftherios Diamandis, James Scholey, Ana Konvalinka
Male sex predisposes to many kidney diseases. Considering that androgens exert deleterious effects in a variety of cell types within kidney, we hypothesized that dihydrotestosterone (DHT) would alter the biology of the renal tubular cell by inducing changes in the proteome. We employed stable isotope labeling with amino acids (SILAC) in an indirect spike-in fashion to accurately quantify the proteome in DHT- and 17β-estradiol (EST)-treated human proximal tubular epithelial cells (PTEC). Of the 5043 quantified proteins, 76 were differentially regulated...
January 4, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28054942/a-comprehensive-proteomic-survey-of-aba-induced-protein-phosphorylation-in-rice-oryza-sativa-l
#6
Jiehua Qiu, Yuxuan Hou, Yifeng Wang, Zhiyong Li, Juan Zhao, Xiaohong Tong, Haiyan Lin, Xiangjin Wei, Hejun Ao, Jian Zhang
abscisic acid (ABA) is a key phytohormone regulating plant development and stress response. The signal transduction of ABA largely relies on protein phosphorylation. However; little is known about the phosphorylation events occurring during ABA signaling in rice thus far. By employing a label-free; MS (Mass Spectrometry)-based phosphoproteomic approach; we identified 2271 phosphosites of young rice seedlings and their intensity dynamics in response to ABA; during which 1060 proteins were found to be differentially phosphorylated...
January 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28050635/biotransformation-and-reduction-of-estrogenicity-of-bisphenol-a-by-the-biphenyl-degrading-cupriavidus-basilensis
#7
Marie-Katherin Zühlke, Rabea Schlüter, Annett Mikolasch, Daniela Zühlke, Martin Giersberg, Henning Schindler, Ann-Kristin Henning, Heidi Frenzel, Elke Hammer, Michael Lalk, Uwe T Bornscheuer, Katharina Riedel, Gotthard Kunze, Frieder Schauer
The biphenyl-degrading Gram-negative bacterium Cupriavidus basilensis (formerly Ralstonia sp.) SBUG 290 uses various aromatic compounds as carbon and energy sources and has a high capacity to transform bisphenol A (BPA), which is a hormonally active substance structurally related to biphenyl. Biphenyl-grown cells initially hydroxylated BPA and converted it to four additional products by using three different transformation pathways: (a) formation of multiple hydroxylated BPA, (b) ring fission, and (c) transamination followed by acetylation or dimerization...
January 3, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28045158/metabolomics-and-proteomics-technologies-to-explore-the-herbal-preparation-affecting-metabolic-disorders-using-high-resolution-mass-spectrometry
#8
Aihua Zhang, Xiaohang Zhou, Hongwei Zhao, Shiyu Zou, Chung Wah Ma, Qi Liu, Hui Sun, Liang Liu, Xijun Wang
An integrative metabolomics and proteomics approach can provide novel insights in the understanding of biological systems. We have integrated proteome and metabolome data sets for a holistic view of the molecular mechanisms in disease. Using quantitative iTRAQ-LC-MS/MS proteomics coupled with UPLC-Q-TOF-HDMS based metabolomics, we determined the protein and metabolite expression changes in the kidney-yang deficiency syndrome (KYDS) rat model and further investigated the intervention effects of the Jinkui Shenqi Pill (JSP)...
January 3, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28017803/ca-2-dependent-surface-trafficking-of-norepinephrine-transporters-depends-on-threonine-30-and-ca-2-calmodulin-kinases
#9
Uhna Sung, Francesca Binda, Valentina Savchenko, William A Owens, Lynette C Daws
The antidepressant-sensitive norepinephrine (NE) transporter (NET) inactivates NE released during central and peripheral neuronal activity by transport into presynaptic cells. Altered NE clearance due to dysfunction of NET has been associated with the development of mental illness and cardiovascular diseases. NET activity in vivo is influenced by stress, neuronal activity, hormones and drugs. We investigated the mechanisms of Ca(2+) regulation of NET and found that Ca(2+) influenced both Vmax and Km for NE transport into cortical synaptosomes...
December 23, 2016: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28011908/genital-injury-signatures-and-microbiome-alterations-associated-with-depot-medroxyprogesterone-acetate-usage-and-intravaginal-drying-practices
#10
Kenzie D Birse, Laura M Romas, Brandon L Guthrie, Peter Nilsson, Rose Bosire, James Kiarie, Carey Farquhar, Kristina Broliden, Adam D Burgener
BACKGROUND: Increasing evidence suggests that depot medroxyprogesterone acetate (DMPA) and intravaginal practices may be associated with an increased risk of HIV infection; however the mechanisms are not fully understood. This study evaluated the effect of DMPA and intravaginal practices on the genital mucosal proteome and microbiome to gain mechanistic insights. METHODS: Cervicovaginal secretions from 86 Kenyan women, including self-reported DMPA (n=23) and non-hormonal contraceptive users (n=63), and women who practice vaginal drying (n=46) were analyzed using tandem-mass spectrometry in a cross sectional manner...
December 23, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27966681/bottom-up-proteomics-analysis-of-the-secretome-of-murine-islets-of-langerhans-in-elevated-glucose-levels
#11
Andrew Schmudlach, Jeremy Felton, Robert T Kennedy, Norman J Dovichi
Glucotoxicity is a causative agent of type-2 diabetes, where high glucose levels damage the islets of Langerhans resulting in oxidative damage and endoplasmic reticulum stress. We evaluated the secretomes of healthy CD-1 murine islets. Three experimental conditions were investigated in biological triplicate: a control incubated with 11 mM glucose, 1-day incubation with 25 mM glucose, and 2-day incubation with 25 mM glucose. An SDS-based, filter-aided sample preparation protocol was used to prepare secretomes for analysis...
December 14, 2016: Analyst
https://www.readbyqxmd.com/read/27930095/multi-omics-data-integration-and-mapping-of-altered-kinases-to-pathways-reveal-gonadotropin-hormone-signaling-in-glioblastoma
#12
Savita Jayaram, Manoj Kumar Gupta, Rajesh Raju, Poonam Gautam, Ravi Sirdeshmukh
Glioblastoma multiforme (GBM) is one of the most lethal brain tumors with an inadequately understood pathophysiology. Biomarkers that guide accurate diagnosis and treatment decisions would greatly support precision medicine for GBM. Previous studies of GBM have focused on signaling pathways such as epidermal growth factor receptor (EGFR), platelet-derived growth factor receptors (PDGFRs), notch, wnt, and others, identified with single omics technology platforms (genomics, transcriptomics, or proteomics), but not with their integrated use...
December 2016: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/27926517/suberoylanilide-hydroxamic-acid-induced-specific-epigenetic-regulation-controls-leptin-induced-proliferation-of-breast-cancer-cell-lines
#13
Xiuyan Feng, Han Han, Dan Zou, Jiaming Zhou, Weiqiang Zhou
Breast cancer is one of the most common malignancies among women in the world, investigating the characteristics and special transduction pathways is important for better understanding breast development and tumorigenesis. Leptin, a peptide hormone secreted from white adipocytes, may be an independent risk factor for breast cancer.Here, we treated suberoylanilide hydroxamic acid (SAHA) on Leptin-induced cell proliferation and invasion in the estrogen-receptor-positive breast cancer cell line MCF-7 and triple-negative breast cancer cell line MDA-MB-231...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27908826/itraq-based-quantitative-proteomic-analysis-of-midgut-in-silkworm-infected-with-bombyx-mori-cytoplasmic-polyhedrosis-virus
#14
Kun Gao, Xiang-Yuan Deng, Meng-Ke Shang, Guang-Xing Qin, Cheng-Xiang Hou, Xi-Jie Guo
: Bombyx mori cytoplasmic polyhedrosis virus (BmCPV) specifically infects the epithelial cells in the midgut of silkworm and causes them to death, which negatively affects the sericulture industry. In order to determine the midgut response at the protein levels to the virus infection, differential proteomes of the silkworm midgut responsive to BmCPV infection were identified with isobaric tags for relative and absolute quantitation (iTRAQ) labeling followed by liquid chromatography-tandem mass spectrometry (LC-MS/MS)...
January 30, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/27883000/corrigendum-exposure-to-sound-vibrations-lead-to-transcriptomic-proteomic-and-hormonal-changes-in-arabidopsis
#15
Ritesh Ghosh, Ratnesh Chandra Mishra, Bosung Choi, Young Sang Kwon, Dong Won Bae, Soo-Chul Park, Mi-Jeong Jeong, Hanhong Bae
No abstract text is available yet for this article.
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27810942/proteomes-and-ubiquitylomes-analysis-reveals-the-involvement-of-ubiquitination-in-protein-degradation-in-petunias
#16
Jianhang Guo, Juanxu Liu, Qian Wei, Rongmin Wang, Weiyuan Yang, Yueyue Ma, Guoju Chen, Yixun Yu
Petal senescence is a complex programmed process. It has been demonstrated previously that treatment with ethylene, a plant hormone involved in senescence, can extensively alter transcriptome and proteome profiles in plants. However, little is known regarding the impact of ethylene on posttranslational modification (PTM) or the association between PTM and the proteome. Protein degradation is one of the hallmarks of senescence, and ubiquitination, a major PTM in eukaryotes, plays important roles in protein degradation...
January 2017: Plant Physiology
https://www.readbyqxmd.com/read/27807644/differential-proteome-analysis-during-early-somatic-embryogenesis-in-musa-spp-aaa-cv-grand-naine
#17
Marimuthu Kumaravel, Subbaraya Uma, Suthanthiram Backiyarani, Marimuthu Somasundaram Saraswathi, Muthu Mayil Vaganan, Muthusamy Muthusamy, Kallu Purayil Sajith
Endogenous hormone secretion proteins along with stress and defense proteins play predominant role in banana embryogenesis. This study reveals the underlying molecular mechanism during transition from vegetative to embryogenic state. Banana (Musa spp.) is well known globally as a food fruit crop for millions. The requirement of quality planting material of banana is enormous. Although mass multiplication through tissue culture is in vogue, high-throughput techniques like somatic embryogenesis (SE) as a mass multiplication tool needs to be improved...
January 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/27800704/rice-plasma-membrane-proteomics-reveals-magnaporthe-oryzae-promotes-susceptibility-by-sequential-activation-of-host-hormone-signaling-pathways
#18
Jidong Cao, Chao Yang, Lingjuan Li, Lan Jiang, Yao Wu, Chuanwan Wu, Qingyun Bu, Guixian Xia, Xiaoyun Liu, Yuanming Luo, Jun Liu
Plant plasma membrane (PM) plays important roles in immune response. Here, we utilized quantitative mass spectrometry to explore rice PM protein composition and dynamic changes during Magnaporthe oryzae infection. We report, thus far, the largest rice PM proteome dataset with 3,906 identified proteins, among which 484 proteins were differentially expressed after M. oryzae infection. One third of the identified proteins are predicted to have at least one transmembrane domain. Half of the identified proteins are predicted to have binding functions and over one third of the proteins have enzyme-related functions...
November 2016: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/27749734/aging-ovary-and-the-role-for-advanced-glycation-end-products
#19
Magdalena Pertynska-Marczewska, Evanthia Diamanti-Kandarakis
OBJECTIVE: The hypothalamic gonadotropin-releasing hormone pulse generator, the pituitary gonadotropes, the ovaries, and the uterus play a crucial role in female fertility. A decline in reproductive performance represents a complex interplay of actions at all levels of the hypothalamic-pituitary-ovarian axis. Recently, in the field of female reproductive aging attention is drawn to the carbonyl stress theory. Advanced glycation end products (AGEs) contribute directly to protein damage, induce a chain of oxidative stress (OS) reactions, and increase inflammatory reactions...
October 3, 2016: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/27710869/plasma-proteomics-in-cml-patients-before-and-after-initiation-of-tyrosine-kinase-inhibitor-therapy-reveals-induced-th1-immunity-and-loss-of-angiogenic-stimuli
#20
Stina Söderlund, Lisa Christiansson, Inger Persson, Henrik Hjorth-Hansen, Johan Richter, Bengt Simonsson, Satu Mustjoki, Ulla Olsson-Strömberg, Angelica Loskog
BACKGROUND AND AIMS: The simultaneous measurement of many proteins is now possible using multiplex assays. In this pilot study we investigated a total of 124 proteins in plasma from chronic myeloid leukemia (CML) patients with the purpose of identifying proteins that are differently expressed at diagnosis and after tyrosine kinase inhibitor (TKI) treatment initiation. METHODS: Samples were taken from 14 CML patients at diagnosis and after three months of TKI treatment (imatinib or dasatinib)...
September 27, 2016: Leukemia Research
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