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https://www.readbyqxmd.com/read/28329103/pregnancy-at-advanced-maternal-age-affects-behavior-and-hippocampal-gene-expression-in-mouse-offspring
#1
Silvestre Sampino, Adrian Mateusz Stankiewicz, Federica Zacchini, Joanna Goscik, Agnieszka Szostak, Artur Hugo Swiergiel, Gaspare Drago, Jacek Andrzej Modlinski, Grazyna Ewa Ptak
There is growing evidence that advanced maternal age is a risk factor for neurological and neuropsychiatric disorders in offspring. However, it remains unclear whether the altered brain programming induced by advanced maternal age is mediated by pre- or postnatal factors. Here, a mouse model was used to investigate whether pregnancy at advanced age may provoke behavioral and brain gene expression changes in offspring. Swiss Albino mice conceived by 3-month-old males and either 15-18-month-old (n = 11) or 3-month-old control females (n = 5), were delivered by cesarean section, fostered after birth by 3-month-old dams and subjected to a battery of behavioral tests...
February 22, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28329094/biological-solutions-to-aortic-root-replacement-valve-sparing-versus-bioprosthetic-conduit%C3%A2
#2
Mario Gaudino, Antonino Di Franco, Lucas B Ohmes, Luca Weltert, Christopher Lau, Ivancarmine Gambardella, Andrea Salica, Monica Munjal, Mohamed Elsayed, Leonard N Girardi, Ruggero De Paulis
OBJECTIVES: Valve-sparing operations and root replacement with a biologic composite conduit are viable options in aortic root aneurysm. This study was conceived to compare the early and mid-term results of these 2 procedures. METHODS: From September 2002 to November 2015, 749 consecutive patients underwent either a valve-sparing operation or a root replacement with a biologic composite conduit at 2 institutions. Propensity score matching was used to compare similar cohorts of patients in the overall population and in the ≤ 55 and ≥ 65-year age groups...
February 17, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28328083/oral-iron-supplementation-potential-implications-for-the-gut-microbiome-and-metabolome-in-patients-with-ckd
#3
Guus A M Kortman, Dorien Reijnders, Dorine W Swinkels
Patients with chronic kidney disease (CKD) and loss of kidney function are at increased risk for morbidity and mortality. The risks of CKD are attributed to "uremia," an increased concentration of uremic retention solutes (toxins) in the plasma. Recently, a colo-renal axis became clearly apparent and uremia has been associated with an altered gut microbiome composition and metabolism. There is a high prevalence of anemia in patients with CKD, for which patients are often treated with oral or intravenous iron...
March 22, 2017: Hemodialysis International
https://www.readbyqxmd.com/read/28327910/phenobook-an-open-source-software-for-phenotypic-data-collection
#4
Juan M Crescente, Fabio Guidobaldi, Melina Demichelis, Maria B Formica, Marcelo Helguera, Leonardo S Vanzetti
Background: Research projects often involves observation, registration and data processing starting from information obtained in field experiments. In many cases these tasks are carried out by several persons in different places, times and ways adding different levels of complexity and error in data collecting. Furthermore, data processing can be time consuming and input errors may produce unwanted results. Main text: We have developed a novel, open source software called Phenobook, an easy, flexible and intuitive tool to organize, collect and save experimental data for further analyses...
February 24, 2017: GigaScience
https://www.readbyqxmd.com/read/28327179/pterostilbene-prevents-akt-erk-axis-mediated-polymerization-of-surface-fibronectin-on-suspended-lung-cancer-cells-independently-of-apoptosis-and-suppresses-metastasis
#5
Ying-Jan Wang, Jing-Fang Lin, Li-Hsin Cheng, Wen-Tsan Chang, Ying-Hsien Kao, Ming-Min Chang, Bour-Jr Wang, Hung-Chi Cheng
BACKGROUND: Polymeric fibronectin (polyFN) assembled on suspended breast cancer cells is required for metastasis. Conceivably, drugs that target such polyFN may fight against cancer metastasis. While stilbene analogs trigger pro-apoptotic effect on attached cancer cells, whether they prevent polyFN assembly and metastasis of suspended cancer cells via an apoptosis-independent manner remains unexplored. METHODS: We depleted suspended Lewis lung carcinoma (LLC) cells of polyFN by silencing the endogenous FN expression or pterostilbene (PS) to examine whether metastasis of lung cancer cells could thus be suppressed...
March 21, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28326545/ovulation-monitoring-and-fertility-knowledge-their-relationship-to-fertility-experience-in-a-cross-sectional-study
#6
Antoinette Righarts, Nigel P Dickson, Lianne Parkin, Wayne R Gillett
BACKGROUND: Various aspects of fertility knowledge, including the timing of the fertile window, have consistently been found to be poor. Limited evidence also suggests ovulation monitoring to time intercourse could be common. However, there have been no studies that compare these two aspects of fertility and women's fertility/infertility experiences. AIM: To examine the frequency of ovulation monitoring and its relationship with fertility knowledge and experience...
March 22, 2017: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28324453/analysis-of-the-main-risk-factors-for-gestational-diabetes-diagnosed-with-international-association-of-diabetes-and-pregnancy-study-groups-iadpsg-criteria-in-multiple-pregnancies
#7
M Cozzolino, C Serena, L Maggio, M P Rambaldi, S Simeone, G Mello, L Pasquini, M Di Tommaso, F Mecacci
INTRODUCTION: The aim is to investigate the proportion of multiple pregnancies with gestational diabetes mellitus (GDM) diagnosed using the International Association of Diabetes and Pregnancy Study Groups (IADPSG) criteria and to identify the impact of age, body mass index (BMI), and mode of conception on incidence of GDM. MATERIALS AND METHODS: This is a single center, retrospective cohort study on 656 multiple pregnancies screened for GDM with 75-g, 2-h oral glucose tolerance test at 24-28 weeks of gestation, between January 2010 and January 2016...
March 21, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28323989/preconception-low-dose-aspirin-restores-diminished-pregnancy-and-live-birth-rates-in-women-with-low-grade-inflammation-a-secondary-analysis-of-a-randomized-trial
#8
Lindsey A Sjaarda, Rose G Radin, Robert M Silver, Emily Mitchell, Sunni L Mumford, Brian Wilcox, Noya Galai, Neil J Perkins, Jean Wactawski-Wende, Joseph B Stanford, Enrique F Schisterman
Context: Inflammation is linked to causes of infertility. Low dose aspirin (LDA) may improve reproductive success in women with chronic, low-grade inflammation. Objective: To investigate the effect of preconception-initiated LDA on pregnancy rate, pregnancy loss, live birth rate, and inflammation during pregnancy. Design: Stratified secondary analysis of a multi-center, block-randomized, double-blind, placebo-controlled trial. Setting: Four U...
February 3, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323608/from-doctors-stories-to-doctors-stories-and-back-again
#9
Marcia Day Childress
Stories have always been central to medicine, but during the twentieth century bioscience all but eclipsed narrative's presence in medical practice. In Doctors' Stories, published in 1991, Kathryn Montgomery excavated medicine's narrative foundations and functions to reveal new possibilities for how to conceive and characterize medicine. Physicians' engagement with stories has since flourished, especially through the narrative medicine movement, although in the twenty-first century this has been challenged by the health care industry's business-minded and data-driven clinical systems...
March 1, 2017: AMA Journal of Ethics
https://www.readbyqxmd.com/read/28322775/pregnancy-and-birth-outcomes-in-couples-with-infertility-with-and-without-assisted-reproductive-technology-with-an-emphasis-on-us-population-based-studies
#10
REVIEW
Barbara Luke
Infertility, defined as the inability to conceive within one year of unprotected intercourse, affects an estimated 80 million individuals worldwide, or 10-15 percent of couples of reproductive age. Assisted reproductive technology (ART) includes all infertility treatments to achieve conception; in vitro fertilization (IVF) is the process by which an oocyte is fertilized by semen outside the body; non-IVF ART treatments include ovulation induction, artificial insemination, and intrauterine insemination. Use of ART has risen steadily in the United States during the past two decades due to several reasons, including childbearing at older maternal ages and increasing insurance coverage...
March 18, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28321508/gut-microbiota-and-bacterial-translocation-in-digestive-surgery-the-impact-of-probiotics
#11
REVIEW
Shunichiro Komatsu, Yukihiro Yokoyama, Masato Nagino
PURPOSE: It is conceivable that manipulation of the gut microbiota could reduce the incidence or magnitude of surgical complications in digestive surgery. However, the evidence remains inconclusive, although much effort has been devoted to randomized controlled trials (RCTs) and meta-analyses on probiotics. Furthermore, the mechanism behind the protective effects of probiotics appears elusive, our understanding of probiotic actions being fragmentary. The objective of this review is to assess the clinical relevance of the perioperative use of probiotics in major digestive surgery, based on a comprehensive view of the gut microbiota, bacterial translocation (BT), and host defense system...
March 20, 2017: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/28320484/nutritional-intervention-preconception-and-during-pregnancy-to-maintain-healthy-glucose-metabolism-and-offspring-health-nipper-study-protocol-for-a-randomised-controlled-trial
#12
Keith M Godfrey, Wayne Cutfield, Shiao-Yng Chan, Philip N Baker, Yap-Seng Chong
BACKGROUND: Improved maternal nutrition and glycaemic control before and during pregnancy are thought to benefit the health of the mother, with consequent benefits for infant body composition and later obesity risk. Maternal insulin resistance and glycaemia around conception and in early pregnancy may be key determinants of maternal physiology and placental function, affecting fetal nutrient supply and maternal-feto-placental communications throughout gestation, with implications for later postnatal health...
March 20, 2017: Trials
https://www.readbyqxmd.com/read/28319221/fluorescent-chemical-probes-for-accurate-tumor-diagnosis-and-targeting-therapy
#13
REVIEW
Min Gao, Fabiao Yu, Changjun Lv, Jaebum Choo, Lingxin Chen
Surgical resection of solid tumors is currently the gold standard and preferred therapeutic strategy for cancer. Chemotherapy drugs also make a significant contribution by inhibiting the rapid growth of tumor cells and these two approaches are often combined to enhance treatment efficacy. However, surgery and chemotherapy inevitably lead to severe side effects and high systemic toxicity, which in turn results in poor prognosis. Precision medicine has promoted the development of treatment modalities that are developed to specifically target and kill tumor cells...
March 20, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28318569/designing-affinity-chromatographic-processes-for-the-capture-of-antibodies-part-i-a-simplified-approach
#14
D Pfister, L David, M Holzer, R-M Nicoud
Protein A affinity chromatography is a standard technique for the purification of therapeutic antibodies. Recently, multi-column chromatographic processes have emerged to turn classical capture processes into more efficient and continuous systems. The design of such chromatographic processes, be they single-column or multi-column systems, is described in this work. A rational method to conceive, scale-up and compare processes is proposed and illustrated with different examples. All along this article, the results of the equilibrium theory, i...
March 2, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28318429/shame-as-a-compromise-for-humiliation-and-rage-in-the-internal-representation-of-abuse-by-loved-ones-processes-motivations-and-the-role-of-dissociation
#15
Martin J Dorahy
This paper examines one particular way a person abused may come to internally position themselves and the abuser to understand their abuse experience. It is based on a differentiation and exploration of the dynamic relationship between shame and humiliation associated with complex feelings the abused has to the abuser. Humiliation is described as denoting the naked self exposed by another, while shame is described as denoting the naked self exposed to another. From this lens, abusive events are conceived as humiliating experiences that come to be represented as shame experiences...
February 26, 2017: Journal of Trauma & Dissociation
https://www.readbyqxmd.com/read/28318060/integrating-postural-and-vestibular-dimensions-to-depict-impairment-in-moderate-to-severe-obstructive-sleep-apnea-syndrome-patients
#16
Alessandro Micarelli, Claudio Liguori, Andrea Viziano, Francesca Izzi, Fabio Placidi, Marco Alessandrini
Vestibular dysfunction was linked to moderate-to-severe obstructive sleep apnea syndrome (OSAS) patients in literature. However, due to a lack of knowledge among valid and recent implementations conceived to study postural control on static posturography (SP) and vestibulo-ocular reflex (VOR) gain under physiological conditions (video Head Impulse Test; vHIT), the aim of this work was to integrate (i) VOR changes via vHIT implementation, (ii) postural arrangement by studying both classical parameters and frequency spectra (PS) and (iii) correlation between these findings, polygraphic (PG) and subjective scores along Dizziness Handicap Inventory (DHI) and Epworth Sleepiness Scale (ESS)...
March 20, 2017: Journal of Sleep Research
https://www.readbyqxmd.com/read/28316583/the-emergence-of-visual-awareness-temporal-dynamics-in-relation-to-task-and-mask-type
#17
Markus Kiefer, Thomas Kammer
One aspect of consciousness phenomena, the temporal emergence of visual awareness, has been subject of a controversial debate. How can visual awareness, that is the experiential quality of visual stimuli, be characterized best? Is there a sharp discontinuous or dichotomous transition between unaware and fully aware states, or does awareness emerge gradually encompassing intermediate states? Previous studies yielded conflicting results and supported both dichotomous and gradual views. It is well conceivable that these conflicting results are more than noise, but reflect the dynamic nature of the temporal emergence of visual awareness...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28315426/vascular-patterning-in-human-heterotopic-ossification
#18
Margaret Cocks, Aditya Mohan, Carolyn A Meyers, Catherine Ding, Benjamin Levi, Edward McCarthy, Aaron W James
Heterotopic ossification (HO, also termed myositis ossificans) is the formation of extra-skeletal bone in muscle and soft tissues. HO is a tissue repair process gone awry, and is a common complication of surgery and traumatic injury. Medical strategies to prevent and treat HO fall well short of addressing the clinical need. Better characterization of the tissues supporting HO is critical to identifying therapies directed against this common and sometimes devastating condition. The physiologic processes of osteogenesis and angiogenesis are highly coupled and interdependent...
March 14, 2017: Human Pathology
https://www.readbyqxmd.com/read/28314500/achieving-sustainable-community-based-health-in-detroit-through-adaptation-of-the-unsdgs
#19
Alexander Plum, Linda Kaljee
BACKGROUND: In 2012, the Rio+20 meeting initiated the concept of the Sustainable Development Goals (SDGs) as a continuation of the Millennium Development Goals. The resulting document "The Future We Want" is best conceived as a roadmap toward poverty eradication and sustainable development. Although the SDGs were developed for low- and middle-income countries, many of these same issues face low-resource cities and communities in higher-income countries. OBJECTIVES: The aim of this study was to use the SDGs as a platform to develop health-related goals for the city of Detroit...
November 2016: Annals of Global Health
https://www.readbyqxmd.com/read/28306304/dielectric-haloscopes-a-new-way-to-detect-axion-dark-matter
#20
Allen Caldwell, Gia Dvali, Béla Majorovits, Alexander Millar, Georg Raffelt, Javier Redondo, Olaf Reimann, Frank Simon, Frank Steffen
We propose a new strategy to search for dark matter axions in the mass range of 40-400 μeV by introducing dielectric haloscopes, which consist of dielectric disks placed in a magnetic field. The changing dielectric media cause discontinuities in the axion-induced electric field, leading to the generation of propagating electromagnetic waves to satisfy the continuity requirements at the interfaces. Large-area disks with adjustable distances boost the microwave signal (10-100 GHz) to an observable level and allow one to scan over a broad axion mass range...
March 3, 2017: Physical Review Letters
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