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Sex differences and proteomics

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https://www.readbyqxmd.com/read/28071813/sex-differences-in-tendon-structure-and-function
#1
Dylan C Sarver, Yalda Ashraf Kharaz, Kristoffer B Sugg, Jonathan P Gumucio, Eithne Comerford, Christopher L Mendias
Tendons play a critical role in the transmission of forces between muscles and bones, and chronic tendon injuries and diseases are among the leading causes of musculoskeletal disability. Little is known about sex-based differences in tendon structure and function. Our objective was to evaluate the mechanical properties, biochemical composition, transcriptome, and cellular activity of plantarflexor tendons from four month old male and female C57BL/6 mice using in vitro biomechanics, mass spectrometry-based proteomics, genome-wide expression profiling, and cell culture techniques...
January 10, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
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
#2
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/28056817/proteomic-analyses-of-limbic-regions-in-neonatal-male-female-and-androgen-receptor-knockout-mice
#3
Anna Zettergren, Sara Karlsson, Erik Studer, Anna Sarvimäki, Petronella Kettunen, Annika Thorsell, Carina Sihlbom, Lars Westberg
BACKGROUND: It is well-established that organizational effects of sex steroids during early development are fundamental for sex-typical displays of, for example, mating and aggressive behaviors in rodents and other species. Male and female brains are known to differ with respect to neuronal morphology in particular regions of the brain, including the number and size of neurons, and the density and length of dendrites in nuclei of hypothalamus and amygdala. The aim of the present study was to use global proteomics to identify proteins differentially expressed in hypothalamus/amygdala during early development (postnatal day 8) of male, female and conditional androgen receptor knockout (AR(NesDel)) male mice, lacking androgen receptors specifically in the brain...
January 5, 2017: BMC Neuroscience
https://www.readbyqxmd.com/read/27998914/human-igm-antibodies-to-malondialdehyde-conjugated-with-albumin-are-negatively-associated-with-cardiovascular-disease-among-60-year-olds
#4
Divya Thiagarajan, Anna G Frostegård, Sudhir Singh, Mizanur Rahman, Anquan Liu, Max Vikström, Karin Leander, Bruna Gigante, Mai-Lis Hellenius, Bo Zhang, Roman A Zubarev, Ulf de Faire, Susanna L Lundström, Johan Frostegård
BACKGROUND: Malondialdehyde (MDA) is generated during lipid peroxidation as in oxidized low-density lipoprotein, but antibodies against oxidized low-density lipoprotein show variable results in clinical studies. We therefore studied the risk of cardiovascular disease (CVD) associated with IgM antibodies against MDA conjugated with human albumin (anti-MDA). METHODS AND RESULTS: In a 5- to 7-year follow-up of 60-year-old men and women from Stockholm County previously screened for cardiovascular risk factors (2039 men, 2193 women), 209 incident CVD cases (defined as new events of coronary heart disease, fatal and nonfatal myocardial infarction, ischemic stroke, and hospitalization for angina pectoris) and 620 age- and sex-matched controls were tested for IgM anti-MDA by ELISA...
December 20, 2016: Journal of the American Heart Association
https://www.readbyqxmd.com/read/27935948/alternative-splicing-within-and-between-drosophila-species-sexes-tissues-and-developmental-stages
#5
Lauren Gibilisco, Qi Zhou, Shivani Mahajan, Doris Bachtrog
Alternative pre-mRNA splicing ("AS") greatly expands proteome diversity, but little is known about the evolutionary landscape of AS in Drosophila and how it differs between embryonic and adult stages or males and females. Here we study the transcriptomes from several tissues and developmental stages in males and females from four species across the Drosophila genus. We find that 20-37% of multi-exon genes are alternatively spliced. While males generally express a larger number of genes, AS is more prevalent in females, suggesting that the sexes adopt different expression strategies for their specialized function...
December 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27794105/use-of-a-proximity-extension-assay-proteomics-chip-to-discover-new-biomarkers-associated-with-albuminuria
#6
Axel C Carlsson, Johan Sundström, Juan Jesus Carrero, Stefan Gustafsson, Markus Stenemo, Anders Larsson, Lars Lind, Johan Ärnlöv
Background The underlying mechanisms for the development of albuminuria and the increased cardiovascular risk in patients with elevated albuminuria levels are incompletely understood. We therefore investigated the associations between 80 cardiovascular proteins and the urinary albumin to creatinine ratio (ACR). Methods We used a discovery/replication approach in two independent community-based cohorts of elderly patients: the Uppsala Longitudinal Study of Adult Men ( n = 662; mean age 78 years) and the Prospective Investigation of the Vasculature in Uppsala Seniors ( n = 757; mean age 75 years; 51% women)...
January 1, 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/27788204/changes-to-the-aqueous-humor-proteome-during-glaucoma
#7
Martha Andrea Kaeslin, Hanspeter Ezriel Killer, Cyril Adrian Fuhrer, Nauke Zeleny, Andreas Robert Huber, Albert Neutzner
PURPOSE: To investigate the aqueous humor proteome in patients with glaucoma and a control group. METHOD: Aqueous humor was obtained from five human donors diagnosed with primary open angle glaucoma (POAG) and five age- and sex-matched controls undergoing cataract surgery. Quantitative proteome analysis of the aqueous humor by hyper reaction monitoring mass spectrometry (HRM-MS) based on SWATH technology was performed. RESULTS: Expression levels of 87 proteins were found to be different between glaucomatous and control aqueous humor...
2016: PloS One
https://www.readbyqxmd.com/read/27761111/sexual-dimorphism-and-aging-in-the-human-hyppocampus-identification-validation-and-impact-of-differentially-expressed-genes-by-factorial-microarray-and-network-analysis
#8
Daniel V Guebel, Néstor V Torres
Motivation: In the brain of elderly-healthy individuals, the effects of sexual dimorphism and those due to normal aging appear overlapped. Discrimination of these two dimensions would powerfully contribute to a better understanding of the etiology of some neurodegenerative diseases, such as "sporadic" Alzheimer. Methods: Following a system biology approach, top-down and bottom-up strategies were combined. First, public transcriptome data corresponding to the transition from adulthood to the aging stage in normal, human hippocampus were analyzed through an optimized microarray post-processing (Q-GDEMAR method) together with a proper experimental design (full factorial analysis)...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/27745870/discovery-of-novel-plasma-proteins-as-biomarkers-for-the-development-of-incisional-hernias-after-midline-incision-in-patients-with-colorectal-cancer-the-colocare-study
#9
Jürgen Böhm, Frank Pianka, Nina Stüttgen, Junghyun Rho, Biljana Gigic, Yuzheng Zhang, Nina Habermann, Petra Schrotz-King, Clare Abbenhardt-Martin, Lin Zielske, Paul D Lampe, Alexis Ulrich, Markus K Diener, Cornelia M Ulrich
BACKGROUND: Ventral incisional hernia is the most common long-term complication after an abdominal operation. Among newly diagnosed colorectal cancer patients, we screened the preoperative plasma proteome to explore predictive markers for the development of an incisional hernia. METHODS: We utilized preoperative plasma samples of 72 newly diagnosed colorectal cancer patients who underwent midline incision for tumor resection between 2010 and 2013. A total of 21 patients with incisional hernia occurrence were matched with 51 patients with at least 18 months follow-up without an incisional hernia by sex, age, and body mass index...
October 13, 2016: Surgery
https://www.readbyqxmd.com/read/27702393/sex-comparative-analysis-of-the-mirnome-of-human-amniotic-mesenchymal-stem-cells-during-obesity
#10
Carmela Nardelli, Ilaria Granata, Laura Iaffaldano, Valeria D'Argenio, Valentina Del Monaco, Giuseppe Maria Maruotti, Luigi Del Vecchio, Pasquale Martinelli, Francesco Salvatore, Mario Rosario Guarracino, Lucia Sacchetti, Lucio Pastore
No abstract text is available yet for this article.
January 1, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/27561897/deep-sexual-dimorphism-in-adult-medaka-fish-liver-highlighted-by-multi-omic-approach
#11
Qin Qiao, Séverine Le Manach, Benoit Sotton, Hélène Huet, Evelyne Duvernois-Berthet, Alain Paris, Charlotte Duval, Loïc Ponger, Arul Marie, Alain Blond, Lucrèce Mathéron, Joelle Vinh, Gérard Bolbach, Chakib Djediat, Cécile Bernard, Marc Edery, Benjamin Marie
Sexual dimorphism describes the features that discriminate between the two sexes at various biological levels. Especially, during the reproductive phase, the liver is one of the most sexually dimorphic organs, because of different metabolic demands between the two sexes. The liver is a key organ that plays fundamental roles in various physiological processes, including digestion, energetic metabolism, xenobiotic detoxification, biosynthesis of serum proteins, and also in endocrine or immune response. The sex-dimorphism of the liver is particularly obvious in oviparous animals, as the female liver is the main organ for the synthesis of oocyte constituents...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27508229/proteomic-dataset-of-paracentrotus-lividus-gonads-of-different-sexes-and-at-different-maturation-stages
#12
Stefania Ghisaura, Barbara Loi, Grazia Biosa, Maura Baroli, Daniela Pagnozzi, Tonina Roggio, Sergio Uzzau, Roberto Anedda, Maria Filippa Addis
We report the proteomic dataset of gonads from wild Paracentrotus lividus related to the research article entitled "Proteomic changes occurring along gonad maturation in the edible sea urchin Paracentrotus lividus" [1]. Gonads of three individuals per sex in the recovery, pre-mature, mature, and spent stages were analyzed using a shotgun proteomics approach based on filter-aided sample preparation followed by tandem mass spectrometry, protein identification carried out using Sequest-HT as the search engine within the Proteome Discoverer informatics platform, and label-free differential analysis...
September 2016: Data in Brief
https://www.readbyqxmd.com/read/27457270/proteomic-identification-of-putative-biomarkers-for-early-detection-of-sudden-cardiac-death-in-a-family-with-a-lmna-gene-mutation-causing-dilated-cardiomyopathy
#13
Irene Izquierdo, Isaac Rosa, Susana Belén Bravo, Esteban Guitián, Alexandra Pérez-Serra, Oscar Campuzano, Ramon Brugada, Alipio Mangas, Ángel García, Rocio Toro
UNLABELLED: Dilated cardiomyopathy (DCM) is a severe heart disease characterized by progressive ventricular dilation and impaired systolic function of the left ventricle. We recently identified a novel pathogenic mutation in the LMNA gene in a family affected by DCM showing sudden death background. We now aimed to identify potential biomarkers of disease status, as well as sudden death predictors, in members of this family. We analysed plasma samples from 14 family members carrying the mutation, four of which (with relevant clinical symptoms) were chosen for the proteomic analysis...
October 4, 2016: Journal of Proteomics
https://www.readbyqxmd.com/read/27165017/regional-differences-of-proteins-expressing-in-adipose-depots-isolated-from-cows-steers-and-bulls-as-identified-by-a-proteomic-approach
#14
Jin Hyoung Cho, Jin Young Jeong, Ra Ham Lee, Mi Na Park, Seok-Ho Kim, Seon-Min Park, Jae-Cheon Shin, Young-Joo Jeon, Jung-Hyun Shim, Nag-Jin Choi, Kang Seok Seo, Young Sik Cho, MinSeok S Kim, Sungho Ko, Jae-Min Seo, Seung-Youp Lee, Jung-Il Chae, Hyun-Jeong Lee
Adipose tissue in the loin muscle area of beef cattle as a marbling factor is directly associated with beef quality. To elucidate whether properties of proteins involved in depot specific adipose tissue were sex-dependent, we analyzed protein expression of intramuscular adipose tissue (IMAT) and omental adipose tissue (OMAT) from Hanwoo cows, steers, and bulls of Korean native beef cattle by liquid chromatography-tandem mass spectrometry (LC-MS/MS)-based proteomic analysis, quantitative polymerase chain reaction (PCR) and western blot analysis...
August 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27139635/sex-offspring-and-carcass-determine-antimicrobial-peptide-expression-in-the-burying-beetle
#15
Chris G C Jacobs, Sandra Steiger, David G Heckel, Natalie Wielsch, Andreas Vilcinskas, Heiko Vogel
The burying beetle Nicrophorus vespilloides has emerged as a model system for the investigation of adaptations that allow the utilization of carrion as a diet and as a resource for reproduction. The survival of beetles and their offspring given their exposure to soil-dwelling and cadaver-borne microbes requires mechanisms that reduce bacterial contamination in the diet and that achieve sanitation of the microhabitat. To explore the role of antimicrobial peptides (AMPs) in this context, we analyzed burying beetle males and females at different stages of their breeding cycle using the RNA-Seq and proteomics approaches...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27077851/redox-proteomic-profiling-of-specifically-carbonylated-proteins-in-the-serum-of-triple-transgenic-alzheimer-s-disease-mice
#16
Liming Shen, Youjiao Chen, Aochu Yang, Cheng Chen, Liping Liao, Shuiming Li, Ming Ying, Jing Tian, Qiong Liu, Jiazuan Ni
Oxidative stress is a key event in the onset and progression of neurodegenerative diseases, including Alzheimer's disease (AD). To investigate the role of oxidative stress in AD and to search for potential biomarkers in peripheral blood, serums were collected in this study from the 3-, 6-, and 12-month-old triple transgenic AD mice (3×Tg-AD mice) and the age- and sex-matched non-transgenic (non-Tg) littermates. The serum oxidized proteins were quantified by slot-blot analysis and enzyme-linked immunosorbent assay (ELISA) to investigate the total levels of serum protein carbonyl groups...
April 12, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27069554/proteomic-characteristics-of-circulating-microparticles-in-patients-with-newly-diagnosed-type-2-diabetes
#17
Min-Dan Xu, Xian-Zheng Wu, Yun Zhou, Ying Xue, Ke-Qin Zhang
OBJECTIVE: This study aimed to evaluate the proteomic characteristics of plasma microparticles (MPs) from patients with newly diagnosed type 2 diabetes (T2DM). METHODS: The subjects comprised eight male T2DM patients recruited between December 2013 and March 2014, as well as eight age and sex-matched healthy controls enrolled during the same period. Plasma microparticles (MPs) were extracted from the blood of each subject, and subjected to proteomics analysis using label-free methods...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27013027/plasma-proteome-profiles-of-white-sucker-catostomus-commersonii-from-the-athabasca-river-within-the-oil-sands-deposit
#18
Denina B D Simmons, James P Sherry
There are questions about the potential for oil sands related chemicals to enter the Athabasca River, whether from tailing ponds, atmospheric deposition, precipitation, or transport of mining dust, at concentrations sufficient to negatively impact the health of biota. We applied shotgun proteomics to generate protein profiles of mature male and female White Sucker (Catostomus commersonii) that were collected from various sites along the main stem of the Athabasca River in 2011 and 2012. On average, 399±131 (standard deviation) proteins were identified in fish plasma from each location in both years...
September 2016: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/26998217/single-cell-analysis-reveals-differential-regulation-of-the-alveolar-macrophage-actin-cytoskeleton-by-surfactant-proteins-a1-and-a2-implications-of-sex-and-aging
#19
Nikolaos Tsotakos, David S Phelps, Christopher M Yengo, Vernon M Chinchilli, Joanna Floros
BACKGROUND: Surfactant protein A (SP-A) contributes to lung immunity by regulating inflammation and responses to microorganisms invading the lung. The huge genetic variability of SP-A in humans implies that this protein is highly important in tightly regulating the lung immune response. Proteomic studies have demonstrated that there are differential responses of the macrophages to SP-A1 and SP-A2 and that there are sex differences implicated in these responses. METHODS: Purified SP-A variants were used for administration to alveolar macrophages from SP-A knockout (KO) mice for in vitro studies, and alveolar macrophages from humanized SP-A transgenic mice were isolated for ex vivo studies...
2016: Biology of Sex Differences
https://www.readbyqxmd.com/read/26983404/gender-differences-in-white-matter-pathology-and-mitochondrial-dysfunction-in-alzheimer-s-disease-with-cerebrovascular-disease
#20
Xavier Gallart-Palau, Benjamin S T Lee, Sunil S Adav, Jingru Qian, Aida Serra, Jung Eun Park, Mitchell K P Lai, Christopher P Chen, Raj N Kalaria, Siu Kwan Sze
BACKGROUND: Dementia risk in women is higher than in men, but the molecular neuropathology of this gender difference remains poorly defined. In this study, we used unbiased, discovery-driven quantitative proteomics to assess the molecular basis of gender influences on risk of Alzheimer's disease with cerebrovascular disease (AD + CVD). RESULTS: We detected modulation of several redox proteins in the temporal lobe of AD + CVD subjects, and we observed sex-specific alterations in the white matter (WM) and mitochondria proteomes of female patients...
March 17, 2016: Molecular Brain
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