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https://www.readbyqxmd.com/read/29145655/paternal-exposure-to-environmental-chemical-stress-affectsmale-offspring-s-hepatic-mitochondria
#1
Roger Godschalk, Alex Remels, Camiel Hoogendoorn, Jan van Benthem, Mirjam Luijten, Nur Duale, Gunnar Brunborg, Ann-Karin Olsen, Freek G Bouwman, Armelle Munnia, Marco Peluso, Edwin Mariman, Frederik Jan van Schooten
Pre-conceptional paternal exposures may affect offspring's health, which cannot be explained by mutations in germ cells, but by persistent changes in the regulation of gene expression. Therefore, we investigated whether pre-conceptional paternal exposure to benzo[a]pyrene (B[a]P) could alter the offspring's phenotype. Male C57BL/6 mice were exposed to B[a]P by gavage for 6 weeks, 3x per week, and were crossed with unexposed BALB-c females 6 weeks after the final exposure. The offspring was kept under normal feeding conditions and was sacrificed at 3 weeks of age...
November 14, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29145620/head-and-neck-cancer-in-hong-kong
#2
Wai Tong Ng, Edwin C Y Wong, Victor H F Lee, Jimmy Y W Chan, Anne W M Lee
Head and neck cancer is a major cause of morbidity and mortality in Hong Kong. HNC is well-known for its heterogeneity in epidemiology, clinical behavior, clinic-pathological features and patient characteristics. Treatment strategies for this heterogeneous disease vary greatly in different parts of the world, depending on availability of resources, local expertise and experience. Extensive research in head and neck cancer, particularly nasopharyngeal carcinoma, has been conducted in Hong Kong in the past few decades...
November 14, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29145616/variation-in-methylmercury-metabolism-and-elimination-status-mermes-in-humans-following-fish-consumption
#3
Samuel W Caito, Brian P Jackson, Tracy Punshon, Thomas Scrimale, Alex Grier, Steven R Gill, Tanzy M Love, Gene E Watson, Edwin van Wijngaarden, Matthew D Rand
Evaluating the potential for methylmercury (MeHg) toxicity relies on accurately predicting the mercury (Hg) body burden that results from eating fish. Hg body burden is directly determined by the slow elimination kinetics of MeHg in the human body (kel ∼0.014days-1 or t1/2∼ 50days). Existing studies on MeHg half-life in humans demonstrate a wide range values (t1/2 = 30 to > 150days) and has lead to uncertainty in the derivation of a regulatory standard for acceptable daily oral intake. The causes of variation in MeHg toxicokinetics in humans remain little explored...
November 14, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29145033/is-chronic-postsurgical-pain-surgery-induced-a-study-of-persistent-postoperative-pain-following-breast-reconstruction
#4
Randy S Roth, Ji Qi, Jennifer B Hamill, Hyungjin M Kim, Tiffany N S Ballard, Andrea L Pusic, Edwin G Wilkins
BACKGROUND: Chronic postsurgical pain (CPSP) is a reported risk for women undergoing breast reconstruction, but it remains unclear that such persistent pain is induced by reconstructive surgery. To address this concern, this prospective cohort study examined the prevalence of and risk factors associated with CPSP among women undergoing breast reconstruction. MATERIALS AND METHODS: Women (n = 1996) recruited for the Mastectomy Reconstruction Outcomes Consortium (MROC) Study were assessed preoperatively and at two-years postoperatively for relevant medical/...
November 13, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/29144753/nonlinear-metasurface-for-simultaneous-control-of-spin-and-orbital-angular-momentum-in-second-harmonic-generation
#5
Guixin Li, Lin Wu, King Fai Li, Shumei Chen, Christian Schlickriede, Zhengji Xu, Siya Huang, Wen-Di Li, Yan Jun Liu, Edwin Yue-Bun Pun, Thomas Zentgraf, Kok Wai Cheah, Yu Luo, Shuang Zhang
The spin and orbital angular momentum (SAM and OAM) of light is providing a new gateway towards high capacity and robust optical communications. While the generation of light with angular momentum is well studied in linear optics, its further integration into nonlinear optical devices will open new avenues for increasing the capacity of optical communications through additional information channels at new frequencies. However, it has been challenging to manipulate the both SAM and OAM of nonlinear signals in harmonic generation processes with conventional nonlinear materials...
November 16, 2017: Nano Letters
https://www.readbyqxmd.com/read/29142047/multi-center-evaluation-of-the-vitek-ms-v3-0-system-for-the-identification-of-filamentous-fungi
#6
Jenna Rychert, E Sue Slechta, Adam P Barker, Edwin Miranda, N Esther Babady, Yi-Wei Tang, Connie Gibas, Nathan Wiederhold, DeAnna Sutton, Kimberly E Hanson
Invasive fungal infections are an important cause of morbidity and mortality affecting primarily immunocompromised patients. While fungal identification to the species level is critical to providing appropriate therapy, it can be slow, laborious, and often relies on subjective morphologic criteria. The use of MALDI-TOF mass spectrometry has the potential to speed up and improve the accuracy of identification. In this multi-center study, we evaluated the accuracy of the VITEK® MS v3.0 system in identifying 1,601 clinical mold isolates as compared to identification by DNA sequence analysis and supported by morphologic and phenotypic testing...
November 15, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/29142018/terahertz-dictating-the-frequency-of-life-do-macromolecular-vibrational-modes-impose-thermal-limitations-on-terrestrial-life
#7
Kieran Hand, Edwin Yates
Conditions on exoplanets include elevated temperatures and pressures. The response of carbon-based biological macromolecules to such conditions is then relevant to the viability of life. The capacity of proteins and ribozymes to catalyse reactions or bind receptors, and nucleic acids to convey information, depends on them sampling different conformational states. These are determined by macromolecular vibrational states, or phonon modes, accessible using terahertz (THz: 10(12)Hz) absorption spectroscopy. THz spectra of biological macromolecules exhibit broad absorption at approximately 6 THz (equating to approx...
November 2017: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29140356/on-sagnac-frequency-splitting-in-a-solid-state-ring-raman-laser
#8
Wei Liang, Anatoliy Savchenkov, Vladimir Ilchenko, Robert Griffith, Edwin De Cuir, Steven Kim, Andrey Matsko, Lute Maleki
We report on an accurate measurement of the frequency splitting of an optical rotating ring microcavity made out of calcium fluoride. By measuring the frequencies of the clockwise and counter-clockwise coherent Raman emissions confined in the cavity modes, we show that the frequency splitting is inversely proportional to the refractive index of the cavity host material. The measurement has an accuracy of 1% and unambiguously confirms the classical theoretical prediction based on special theory of relativity...
November 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/29139104/ancestry-and-dental-development-a-geographic-and-genetic-perspective
#9
Brunilda Dhamo, Lea Kragt, Olja Grgic, Strahinja Vucic, Carolina Medina-Gomez, Fernando Rivadeneira, Vincent W V Jaddoe, Eppo B Wolvius, Edwin M Ongkosuwito
OBJECTIVE: In this study, we investigated the influence of ancestry on dental development in the Generation R Study. METHODS: Information on geographic ancestry was available in 3,600 children (1,810 boys and 1,790 girls, mean age 9.81 ± 0.35 years) and information about genetic ancestry was available in 2,786 children (1,387 boys and 1,399 girls, mean age 9.82 ± 0.34 years). Dental development was assessed in all children using the Demirjian method. The associations of geographic ancestry (Cape Verdean, Moroccan, Turkish, Dutch Antillean, Surinamese Creole and Surinamese Hindustani vs Dutch as the reference group) and genetic content of ancestry (European, African or Asian) with dental development was analyzed using linear regression models...
November 15, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/29138462/the-antibacterial-and-anti-inflammatory-activity-of-chicken-cathelicidin-2-combined-with-exogenous-surfactant-for-the-treatment-of-cystic-fibrosis-associated-pathogens
#10
Brandon J H Banaschewski, Brandon Baer, Christina Arsenault, Teah Jazey, Edwin J A Veldhuizen, Johan Delport, Tracey Gooyers, James F Lewis, Henk P Haagsman, Ruud A W Veldhuizen, Cory Yamashita
Cystic fibrosis (CF) is characterized by recurrent airway infections with antibiotic-resistant bacteria and chronic inflammation. Chicken cathelicin-2 (CATH-2) has been shown to exhibit antimicrobial activity against antibiotic-resistant bacteria and to reduce inflammation. In addition, exogenous pulmonary surfactant has been suggested to enhance pulmonary drug delivery. It was hypothesized that CATH-2 when combined with an exogenous surfactant delivery vehicle, bovine lipid extract surfactant (BLES), would exhibit antimicrobial activity against CF-derived bacteria and downregulate inflammation...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138425/timescale-separation-of-positive-and-negative-signaling-creates-history-dependent-responses-to-ige-receptor-stimulation
#11
Brooke Harmon, Lily A Chylek, Yanli Liu, Eshan D Mitra, Avanika Mahajan, Edwin A Saada, Benjamin R Schudel, David A Holowka, Barbara A Baird, Bridget S Wilson, William S Hlavacek, Anup K Singh
The high-affinity receptor for IgE expressed on the surface of mast cells and basophils interacts with antigens, via bound IgE antibody, and triggers secretion of inflammatory mediators that contribute to allergic reactions. To understand how past inputs (memory) influence future inflammatory responses in mast cells, a microfluidic device was used to precisely control exposure of cells to alternating stimulatory and non-stimulatory inputs. We determined that the response to subsequent stimulation depends on the interval of signaling quiescence...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138220/antibodies-targeting-surface-membrane-antigens-in-patients-with-chronic-graft-versus-host-disease
#12
Kathy S Wang, Haesook T Kim, Sarah Nikiforow, Alexander T Heubeck, Vincent T Ho, John Koreth, Edwin P Alyea, Philippe Armand, Bruce R Blazar, Robert J Soiffer, Joseph H Antin, Corey S Cutler, Jerome Ritz
Chronic graft-versus-host disease (cGVHD) after allogeneic hematopoietic stem cell transplant (HSCT) reflects a complex immune response resulting in chronic damage to multiple tissues. Previous studies indicated that donor B cells and the antibodies they produce play an important role in the development of cGVHD. To understand the pathogenic role of antibodies in cGVHD, we focused our studies on post-transplant production of IgG antibodies targeting cell surface antigens expressed in multiple cGVHD affected tissues, due to their potential functional impact on living cells in vivo...
November 14, 2017: Blood
https://www.readbyqxmd.com/read/29138015/anti-phase-synchronization-of-influenza-a-h1n1-and-a-h3n2-in-hong-kong-and-countries-in-the-north-temperate-zone
#13
Alice P Y Chiu, Qianying Lin, Edwin Yiu Nam Tang, Daihai He
OBJECTIVES: Influenza affects 10% of the global population annually. Hong Kong is a subtropical city close to the North Temperate Zone (NTZ). Its influenza-associated mortality rates were 27.53, 79.55, 36.94, 48.72 per one million person-years in 2014, 2015, 2016 and January to July 2017 respectively. Our study aims at exploring the temporal patterns of influenza A subtypes both in Hong Kong and the NTZ. METHOD: Weekly reported cases of Influenza A/H1N1 and A/H3N2 from January 2010 to July 2017 were downloaded from the Centre for Health Protection in HK and the FluNet provided by the World Health Organization...
November 11, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/29137132/maternal-vitamin-d-status-and-the-relationship-with-neonatal-anthropometric-and-childhood-neurodevelopmental-outcomes-results-from-the-seychelles-child-development-nutrition-study
#14
Eamon Laird, Sally W Thurston, Edwin van Wijngaarden, Conrad F Shamlaye, Gary J Myers, Philip W Davidson, Gene E Watson, Emeir M McSorley, Maria S Mulhern, Alison J Yeates, Mary Ward, Helene McNulty, J J Strain
Vitamin D has an important role in early life; however, the optimal vitamin D status during pregnancy is currently unclear. There have been recent calls for pregnant women to maintain circulating 25-hydroxyvitamin D (25(OH)D) concentrations >100 nmol/L for health, yet little is known about the long-term potential benefits or safety of achieving such high maternal 25(OH)D concentrations for infant or child health outcomes. We examined maternal vitamin D status and its associations with infant anthropometric and later childhood neurocognitive outcomes in a mother-child cohort in a sun-rich country near the equator (4...
November 11, 2017: Nutrients
https://www.readbyqxmd.com/read/29135534/the-multiple-faces-of-programmed-cell-death-ligand-1-expression-in-malignant-and-nonmalignant-cells
#15
Edwin R Parra, Pamela Villalobos, Jaime Rodriguez-Canales
Preliminary data suggest that tumor expression of programmed cell death ligand 1 (PD-L1) protein in human cancers, as determined by immunohistochemistry in formalin-fixed, paraffin-embedded tissue samples, may predict clinical response to anti-PD-1/PD-L1 therapy. PD-L1 is not a specific tumor marker and its expression is also observed in various nonmalignant cells, such as macrophages and lymphocytes, causing confusion in immunohistochemistry analysis when these inflammatory cells are overlapping with tumors cells...
November 13, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/29134640/reduced-il-6-levels-and-tumor-associated-phospho-stat3-are-associated-with-reduced-tumor-development-in-a-mouse-model-of-lung-cancer-chemoprevention-with-myo-inositol
#16
Nese Unver, Oliver Delgado, Kirubel Zeleke, Amber Cumpian, Ximing Tang, Mauricio S Caetano, Hong Wang, Hiroyuki Katayama, Hua Yu, Eva Szabo, Ignacio Wistuba, Seyed Javad Moghaddam, Samir Hanash, Edwin J Ostrin
Several promising chemopreventive agents have for lung cancer emerged in preclinical models and in retrospective trials. These agents have been shown to modulate pathways altered in carcinogenesis and reduce markers of carcinogenesis in animal and cell culture models. Cancer-prone transgenic mice with oncogenic Kras expressed in the airway epithelium (Ccsp(Cre/+) ; Kras(LSL-G12D/+) ) were raised on diets compounded with myo-inositol. These animals form lung premalignant lesions in a stereotypical fashion over the ten weeks following weaning...
November 14, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29134145/visual-and-acoustic-components-of-courtship-in-the-bird-of-paradise-genus-astrapia-aves-paradisaeidae
#17
Edwin Scholes, Julia M Gillis, Timothy G Laman
The distinctive and divergent courtship phenotypes of the birds-of-paradise make them an important group for gaining insights into the evolution of sexually selected phenotypic evolution. The genus Astrapia includes five long-tailed species that inhabit New Guinea's montane forests. The visual and acoustic components of courtship among Astrapia species are very poorly known. In this study, we use audiovisual data from a natural history collection of animal behavior to fill gaps in knowledge about the visual and acoustic components of Astrapia courtship...
2017: PeerJ
https://www.readbyqxmd.com/read/29132676/interventional-therapies-for-the-treatment-of-food-allergy
#18
REVIEW
Christopher P Parrish, Edwin H Kim, J Andrew Bird
Treatment of IgE-mediated food allergies is limited to allergen avoidance and emergency treatment on accidental ingestion, which is not uncommon. In recent years, interest in interventional therapies to treat food allergy has increased significantly. Although oral, sublingual, and epicutaneous immunotherapy have shown promise in studies, none is approved as therapy for food allergy to date and questions remain regarding efficacy, safety, dosing, and duration of therapy.
February 2018: Immunology and Allergy Clinics of North America
https://www.readbyqxmd.com/read/29132322/stillbirth-is-associated-with-perceived-alterations-in-fetal-activity-findings-from-an-international-case-control-study
#19
Alexander E P Heazell, Jane Warland, Tomasina Stacey, Christin Coomarasamy, Jayne Budd, Edwin A Mitchell, Louise M O'Brien
BACKGROUND: Stillbirth after 28 weeks gestation affects between 1.3-8.8 per 1000 births in high-income countries. The majority of stillbirths in this setting occur in women without established risk factors. Identification of risk factors which could be identified and managed in pregnancy is a priority in stillbirth prevention research. This study aimed to evaluate women's experiences of fetal movements and how these relate to stillbirth. METHODS: An international internet-based case-control study of women who had a stillbirth ≥28 weeks' gestation within 30 days prior to completing the survey (n = 153) and women with an ongoing pregnancy or a live born child (n = 480)...
November 13, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29130950/characteristics-of-false-negative-thyroid-fine-needle-aspirates
#20
Andrew A Renshaw, Edwin W Gould
INTRODUCTION: False-negative thyroid fine-needle aspirates (FNA) are not well characterized. METHODS: We correlated the results of all thyroid aspirations from 1997 to 2016 with histologic follow-up. RESULTS: There were 13,733 aspirates, 2,112 (15.3%) resections, and 678 malignancies (32.1%). Eighteen (2.7%) false-negative cases were identified (interpretation, n = 6; sampling, n = 7; and new nodules, n = 5). Interpretive false-negative cases were significantly less likely when the indeterminate rate was greater than 13% (p = 0...
November 4, 2017: Acta Cytologica
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