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https://www.readbyqxmd.com/read/27933100/genome-and-methylome-of-the-oleaginous-diatom-cyclotella-cryptica-reveal-genetic-flexibility-toward-a-high-lipid-phenotype
#1
Jesse C Traller, Shawn J Cokus, David A Lopez, Olga Gaidarenko, Sarah R Smith, John P McCrow, Sean D Gallaher, Sheila Podell, Michael Thompson, Orna Cook, Marco Morselli, Artur Jaroszewicz, Eric E Allen, Andrew E Allen, Sabeeha S Merchant, Matteo Pellegrini, Mark Hildebrand
BACKGROUND: Improvement in the performance of eukaryotic microalgae for biofuel and bioproduct production is largely dependent on characterization of metabolic mechanisms within the cell. The marine diatom Cyclotella cryptica, which was originally identified in the Aquatic Species Program, is a promising strain of microalgae for large-scale production of biofuel and bioproducts, such as omega-3 fatty acids. RESULTS: We sequenced the nuclear genome and methylome of this oleaginous diatom to identify the genetic traits that enable substantial accumulation of triacylglycerol...
2016: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/27931984/knowledge-about-sources-of-dietary-fibres-and-health-effects-using-a-validated-scale-a-cross-country-study
#2
R P F Guiné, J Duarte, M Ferreira, P Correia, M Leal, I Rumbak, I C Barić, D Komes, Z Satalić, M M Sarić, M Tarcea, Z Fazakas, D Jovanoska, D Vanevski, E Vittadini, N Pellegrini, V Szűcs, J Harangozó, A El-Kenawy, O El-Shenawy, E Yalçın, C Kösemeci, D Klava, E Straumite
OBJECTIVES: Dietary fibre (DF) is one of the components of diet that strongly contributes to health improvements, particularly on the gastrointestinal system. Hence, this work intended to evaluate the relations between some sociodemographic variables such as age, gender, level of education, living environment or country on the levels of knowledge about dietary fibre (KADF), its sources and its effects on human health, using a validated scale. STUDY DESIGN: The present study was a cross-sectional study...
December 2016: Public Health
https://www.readbyqxmd.com/read/27926634/consensus-bundle-on-prevention-of-surgical-site-infections-after-major-gynecologic-surgery
#3
Joseph E Pellegrini, Paloma Toledo, David E Soper, William C Bradford, Deborah A Cruz, Barbara S Levy, Lauren A Lemieux
Surgical site infections are the most common complication of surgery in the United States. Of surgeries in women of reproductive age, hysterectomy is one of the most frequently performed, second only to cesarean birth. Therefore, prevention of surgical site infections in women undergoing gynecologic surgery is an ideal topic for a patient safety bundle. The primary purpose of this safety bundle is to provide recommendations that can be implemented into any surgical environment in an effort to reduce the incidence of surgical site infection...
December 2, 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27925196/sirt1-sirt3-axis-regulates-cellular-response-to-oxidative-stress-and-etoposide
#4
Ilaria Carnevale, Laura Pellegrini, Patrizia D'Aquila, Serena Saladini, Emanuela Lococo, Lucia Polletta, Enza Vernucci, Eleonora Foglio, Stefano Coppola, Luigi Sansone, Giuseppe Passarino, Dina Bellizzi, Matteo A Russo, Massimo Fini, Marco Tafani
Sirtuins are conserved NAD+-dependent deacylases. SIRT1 is a nuclear and cytoplasmic sirtuin involved in the control of histones a transcription factors function. SIRT3 is a mitochondrial protein, which regulates mitochondrial function. Although both SIRT1 and SIRT3 have been implicated in resistance to cellular stress, the link between these two sirtuins has not been studied so far. Here we aimed to unravel: i) the role of SIRT1-SIRT3 axis for cellular response to oxidative stress and DNA damage; ii) how mammalian cells modulate such SIRT1-SIRT3 axis and which mechanisms are involved...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27924667/contraceptive-practices-in-women-with-sickle-cell-disease
#5
Natália S Carvalho, Josefina Pellegrini Braga, Márcia Barbieri, Maria R Torloni, Maria S Figueiredo, Cristina A F Guazzelli
This was a cross-sectional study of sexually active women with sickle-cell disease (SCD) managed at São Paulo Federal University during a one-year period. A total of 54 women were included. Mean age was 32.0 (11.2, standard deviation) years and almost 95% were black or of mixed racial ancestry. Almost 80% reported a history of multiple blood transfusions, 50% had kidney disease and 17% had a history of thrombosis. Over 80% of them had used some form of contraception, mostly combined hormonal contraceptive (52%) or progestin-only contraceptives (46%)...
December 7, 2016: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27922742/the-diaphragm-acts-as-a-brake-during-expiration-to-prevent-lung-collapse
#6
Mariangela Pellegrini, Göran Hedenstierna, Agneta Roneus, Monica Segelsjö, Anders Larsson, Gaetano Perchiazzi
RATIONALE: The diaphragm is the major inspiratory muscle and is assumed to relax during expiration. However, electrical post-inspiratory activity has been observed. Whether or not there is an expiratory diaphragmatic contraction that preserves lung patency has yet to be explored. OBJECTIVE: We hypothesized the occurrence of an expiratory diaphragmatic contraction directed at stabilizing peripheral airways and preventing or reducing cyclic expiratory lung collapse...
December 6, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27919598/structural-insights-into-cdc45-function-was-there-a-nuclease-at-the-heart-of-the-ancestral-replisome
#7
Luca Pellegrini
The role of Cdc45 in genomic duplication has remained unclear since its initial identification as an essential replication factor. Recent structural studies of Cdc45 and the evolutionarily-related archaeal GAN and bacterial RecJ nucleases have provided fresh insight into its function as co-activator of the MCM helicase. The CMG helicase of the last archaeal/eukaryotic ancestor might have harboured a single-stranded DNA nuclease activity, conserved in some modern archaea.
November 27, 2016: Biophysical Chemistry
https://www.readbyqxmd.com/read/27918335/consensus-bundle-on-prevention-of-surgical-site-infections-after-major-gynecologic-surgery
#8
Joseph E Pellegrini, Paloma Toledo, David E Soper, William C Bradford, Deborah A Cruz, Barbara S Levy, Lauren A Lemieux
Surgical site infections are the most common complication of surgery in the United States. Of surgeries in women of reproductive age, hysterectomy is one of the most frequently performed, second only to cesarean birth. Therefore, prevention of surgical site infections in women undergoing gynecologic surgery is an ideal topic for a patient safety bundle. The primary purpose of this safety bundle is to provide recommendations that can be implemented into any surgical environment in an effort to reduce the incidence of surgical site infection...
December 1, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27918062/harm-aversion-explains-utilitarian-choices-in-moral-decision-making-in-males-but-not-in-females
#9
G Rota, S Palumbo, N Lattanzi, A Manfrinati, M Sarlo, L Lotto, P Pietrini, R Rumiati, S Pellegrini
In recent years, a great deal of research has relied on hypothetical sacrificial dilemmas to investigate decision-making processes involved in pro-social utilitarian choices. Recent evidence, however, has suggested that moral sacrificial choices may actually reflect reduced harm aversion and antisocial dispositions rather than an utilitarian inclination. Here, we used moral dilemmas to confront healthy volunteers with controversial action choices. We measured impulsiveness and venturesomeness personality traits, which have been shown to influence harm aversion, to test their role in utilitarian action and evaluation of moral acceptability...
June 1, 2016: Archives Italiennes de Biologie
https://www.readbyqxmd.com/read/27908264/hypoxia-and-inflammation-in-prostate-cancer-progression-cross-talk-with-androgen-and-estrogen-receptors-and-cancer-stem-cells
#10
Matteo A Russo, Linda Ravenna, Laura Pellegrini, Elisa Petrangeli, Luisa Salvatori, Thea Magrone, Massimo Fini, Marco Tafani
Tumors are complex tissues in which transformed cells communicate with the surrounding microenvironment and evolve traits promoting their own survival and malignancy. Hypoxia and inflammation are constant characteristics of prostate tumor microenvironment influencing both cancer stem cells and differentiated tumor cells. HIFs and NF-kB are the key regulators of the transcriptional response to hypoxic and inflammatory stresses, respectively, and a crosstalk between HIFs and NF-kB pathways has been widely documented...
November 30, 2016: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/27900708/can-posterior-capsular-stretching-rehabilitation-protocol-change-scapula-kinematics-in-asymptomatic-baseball-pitchers
#11
A Pellegrini, P Tonino, D Salazar, K Hendrix, I Parel, A Cutti, P Paladini, F Ceccarelli, G Porcellini
PURPOSE: Scapular dyskinesis is a recognized cause of shoulder pain in the throwing shoulder of baseball pitchers and athletes who participate in overhead sports. Past studies have assessed scapular kinematics using electromagnetic tracking devices and have shown a correlation between posterior shoulder tightness and forward scapular posture. The purpose of our study is to evaluate the scapular kinematics, before and after a 4-week posterior stretching protocol in asymptomatic pitchers...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27889209/structural-basis-for-the-subversion-of-map-kinase-signaling-by-an-intrinsically-disordered-parasite-secreted-agonist
#12
Erika Pellegrini, Andrés Palencia, Laurence Braun, Ulrike Kapp, Alexandre Bougdour, Hassan Belrhali, Matthew W Bowler, Mohamed-Ali Hakimi
The causative agent of toxoplasmosis, the intracellular parasite Toxoplasma gondii, delivers a protein, GRA24, into the cells it infects that interacts with the mitogen-activated protein (MAP) kinase p38α (MAPK14), leading to activation and nuclear translocation of the host kinase and a subsequent inflammatory response that controls the progress of the parasite. The purification of a recombinant complex of GRA24 and human p38α has allowed the molecular basis of this activation to be determined. GRA24 is shown to be intrinsically disordered, binding two kinases that act independently, and is the only factor required to bypass the canonical mitogen-activated protein kinase activation pathway...
November 14, 2016: Structure
https://www.readbyqxmd.com/read/27887897/nomenclature-and-diagnosis-of-gluten-related-disorders-a-position-statement-by-the-italian-association-of-hospital-gastroenterologists-and-endoscopists-aigo
#13
REVIEW
Luca Elli, Danilo Villalta, Leda Roncoroni, Donatella Barisani, Stefano Ferrero, Nicoletta Pellegrini, Maria Teresa Bardella, Flavio Valiante, Carolina Tomba, Antonio Carroccio, Massimo Bellini, Marco Soncini, Renato Cannizzaro, Gioacchino Leandro
BACKGROUND: "Gluten-related disorders" is a term that encompasses different diseases induced by the ingestion of gluten-containing food. Because of their incidence the scientific community has been intensively studying them. AIM: To support gastroenterologists with a correct nomenclature and diagnostic approach to gluten-related disorders in adulthood. METHODS: The Italian Association of Hospital Gastroenterologists and Endoscopists (AIGO) commissioned a panel of experts to prepare a position statement clarifying the nomenclature and diagnosis of gluten-related disorders, focusing on those of gastroenterological interest...
November 4, 2016: Digestive and Liver Disease
https://www.readbyqxmd.com/read/27877137/an-extreme-mountain-ultra-marathon-decreases-the-cost-of-uphill-walking-and-running
#14
Gianluca Vernillo, Aldo Savoldelli, Spyros Skafidas, Andrea Zignoli, Antonio La Torre, Barbara Pellegrini, Guido Giardini, Pietro Trabucchi, Grégoire P Millet, Federico Schena
Purpose: To examine the effects of the world's most challenging mountain ultramarathon (MUM, 330 km, cumulative elevation gain of +24,000 m) on the energy cost and kinematics of different uphill gaits. Methods: Before (PRE) and immediately after (POST) the competition, 19 male athletes performed three submaximal 5-min treadmill exercise trials in a randomized order: walking at 5 km·h(-1), +20%; running at 6 km·h(-1), +15%; and running at 8 km·h(-1), +10%. During the three trials, energy cost was assessed using an indirect calorimetry system and spatiotemporal gait parameters were acquired with a floor-level high-density photoelectric cells system...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27873737/erythroderma-and-non-hodgkin-t-cell-lymphoma-what-else-apart-from-mycosis-fungoides-and-s%C3%A3-zary-syndrome
#15
Alessandro Pileri, Cinzia Pellegrini, Claudio Agostinelli, Vieri Grandi, Annalisa Patrizi, Pier Luigi Zinzani, Nicola Pimpinelli
BACKGROUND: Peripheral T-cell lymphomas, not otherwise specified (PTCL-NOS), are a rare condition characterised by specific histology, nodal presentation, and a poor prognosis. In total, 10-18% of patients present with cutaneous involvement which is regarded as a poor prognostic marker. However, cutaneous PTCL-NOS lesions have been rarely reported in the literature. OBJECTIVES: We sought to describe PTCL-NOS cases characterised by erythrodermic dissemination to the skin...
November 21, 2016: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/27870295/infections-with-multiple-high-risk-hpv-types-are-associated-with-high-grade-and-persistent-low-grade-intraepithelial-lesions-of-the-cervix
#16
Louise De Brot, Bruno Pellegrini, Sabrina Teixeira Moretti, Dirce Maria Carraro, Fernando Augusto Soares, Rafael Malagoli Rocha, Glauco Baiocchi, Isabela Werneck da Cunha, Victor Piana de Andrade
BACKGROUND: Infections with multiple human papillomavirus (HPV) types (mHPV) in Papanicolaou tests have been reported but the histologic correlation and clinical meaning remains debatable. METHODS: The authors prospectively tested 37 HPV types using the Linear Array HPV Genotyping Test and correlated the results to cytology and histology findings in 260 women evaluated from June 2009 to October 2011 and followed for up to 60 months. RESULTS: HPV was detected in 148 of 235 samples (63%) and high-risk HPV was detected in 132 samples (56%)...
November 21, 2016: Cancer
https://www.readbyqxmd.com/read/27867037/cardiac-fibroblasts-adopt-osteogenic-fates-and-can-be-targeted-to-attenuate-pathological-heart-calcification
#17
Indulekha C L Pillai, Shen Li, Milagros Romay, Larry Lam, Yan Lu, Jie Huang, Nathaniel Dillard, Marketa Zemanova, Liudmilla Rubbi, Yibin Wang, Jason Lee, Ming Xia, Owen Liang, Ya-Hong Xie, Matteo Pellegrini, Aldons J Lusis, Arjun Deb
Mammalian tissues calcify with age and injury. Analogous to bone formation, osteogenic cells are thought to be recruited to the affected tissue and induce mineralization. In the heart, calcification of cardiac muscle leads to conduction system disturbances and is one of the most common pathologies underlying heart blocks. However the cell identity and mechanisms contributing to pathological heart muscle calcification remain unknown. Using lineage tracing, murine models of heart calcification and in vivo transplantation assays, we show that cardiac fibroblasts (CFs) adopt an osteoblast cell-like fate and contribute directly to heart muscle calcification...
November 15, 2016: Cell Stem Cell
https://www.readbyqxmd.com/read/27866394/repeated-otilonium-bromide-administration-prevents-neurotransmitter-changes-in-colon-of-rats-underwent-to-wrap-restraint-stress
#18
Chiara Traini, Stefano Evangelista, Vincent Girod, Maria Simonetta Faussone-Pellegrini, Maria Giuliana Vannucchi
Otilonium bromide (OB) is a spasmolytic drug successfully used for the treatment of irritable bowel syndrome (IBS). Its efficacy has been attributed to the block of L- and T-type Ca(2+) channels and muscarinic and tachykinin receptors in the smooth muscle. Furthermore, in healthy rats, repeated OB administration modified neurotransmitter expression and function suggesting other mechanisms of action. On this basis, we investigated whether repeated OB treatment prevented the functional and neurochemical changes observed in the colon of rats underwent to wrap restrain stress (WRS) a psychosocial stressor considered suitable to reproduce the main IBS signs and symptoms...
November 20, 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/27865347/gestational-food-restriction-decreases-placental-interleukin-10-expression-and-markers-of-autophagy-and-endoplasmic-reticulum-stress-in-murine-intrauterine-growth-restriction
#19
Alison Chu, Shanthie Thamotharan, Amit Ganguly, Madhuri Wadehra, Matteo Pellegrini, Sherin U Devaskar
Intrauterine growth restriction (IUGR) affects up to 10% of pregnancies and often results in short- and long-term sequelae for offspring. The mechanisms underlying IUGR are poorly understood, but it is known that healthy placentation is essential for nutrient provision to fuel fetal growth, and is regulated by immunologic inputs. We hypothesized that in pregnancy, maternal food restriction (FR) resulting in IUGR would decrease the overall immunotolerant milieu in the placenta, leading to increased cellular stress and death...
October 2016: Nutrition Research
https://www.readbyqxmd.com/read/27861874/a-real-world-multicentre-retrospective-study-of-paclitaxel-bevacizumab-and-maintenance-therapy-as-first-line-for-her2-negative-metastatic-breast-cancer
#20
Teresa Gamucci, Lucia Mentuccia, Clara Natoli, Isabella Sperduti, Alessandra Cassano, Andrea Michelotti, Luigi Di Lauro, Domenico Sergi, Alessandra Fabi, Maria G Sarobba, Paolo Marchetti, Maddalena Barba, Emanuela Magnolfi, Marcello Maugeri-Saccà, Ernesto Rossi, Valentina Sini, Antonino Grassadonia, Domenica Pellegrini, Antonino Astone, Cecilia Nisticò, Franco Angelini, Angela Vaccaro, Arianna Pellegrino, Claudia De Angelis, Michela Palleschi, Luca Moscetti, Ilaria Bertolini, Simonetta Buglioni, Antonio Giordano, Laura Pizzuti, Patrizia Vici
Bevacizumab in combination with taxanes in HER2-negative metastatic breast cancer (MBC) patients has shown improved progression-free survival (PFS), despite the lack of clear overall survival (OS) benefit. We performed a retrospective analysis to evaluate the impact of paclitaxel-bevacizumab and of maintenance therapy with bevacizumab (BM) and endocrine therapy (ET) in the real-world practice. We identified 314 HER2-negative MBC patients treated in 12 cancer centers. Overall, the median PFS and OS were 14 and 40 months, respectively...
November 11, 2016: Journal of Cellular Physiology
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