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https://www.readbyqxmd.com/read/28438607/obesity-exposed-oocytes-accumulate-and-transmit-damaged-mitochondria-due-to-an-inability-to-activate-mitophagy
#1
Anna L Boudoures, Jessica Saben, Andrea Drury, Suzanne Scheaffer, Zeel Modi, Wendy Zhang, Kelle H Moley
Mitochondria are the most prominent organelle in the oocyte. Somatic cells maintain a healthy population of mitochondria by degrading damaged mitochondria via mitophagy, a specialized autophagy pathway. However, evidence from previous work investigating the more general macroautophagy pathway in oocytes suggests that mitophagy may not be active in the oocyte. This would leave the vast numbers of mitochondria - poised to be inherited by the offspring - vulnerable to damage. Here we test the hypothesis that inactive mitophagy in the oocyte underlies maternal transmission of dysfunctional mitochondria...
April 21, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28438343/developmental-and-transmittable-origins-of-obesity-associated-health-disorders
#2
REVIEW
Arin K Oestreich, Kelle H Moley
The current global obesity pandemic is clearly linked to both the increasing prevalence of, and preference for, foods high in calories, specifically fat and sucrose, and declining levels of daily physical activity. A less commonly discussed possible explanation is that risk of obesity begins in utero as a result of developmental plasticity during early life. This idea fits into the broader Developmental Origins of Health and Diseases (DOHAD) hypothesis, which holds that stressful in utero exposure manifests as disease in adulthood...
April 21, 2017: Trends in Genetics: TIG
https://www.readbyqxmd.com/read/28432927/type-2-bvdv-n-pro-suppresses-ifn-1-pathway-signaling-in-bovine-cells-and-augments-brsv-replication
#3
Abdulrahman A Alkheraif, Christina L Topliff, Jay Reddy, Chandirasegaran Massilamany, Ruben O Donis, Gregor Meyers, Kent M Eskridge, Clayton L Kelling
Bovine viral diarrhea virus (BVDV) infection induces immunosuppression and in conjunction with bovine respiratory syncytial virus (BRSV) contributes to the bovine respiratory disease complex. Bovine turbinate cells were single or co-infected with type 2 BVDV wild-type (BVDV2-wt), its dysfunctional N(pro) mutant (BVDV2-E), and/or BRSV. BVDV2-E significantly up-regulated PKR, IRF-7, TBK-1, IRF-3, and IFN-β mRNAs based on real-time Q-RT-PCR. BRSV-infected cells expressed significantly up-regulated PKR, IRF-3, IRF-7, and IFN-β mRNAs, whereas BVDV2-wt, but not BVDV2-E, abolished this up-regulation in co-infection...
April 19, 2017: Virology
https://www.readbyqxmd.com/read/28416468/cardiac-transplantation-in-children-and-adolescents-with-long-qt-syndrome
#4
Angela M Kelle, J Martijn Bos, Susan P Etheridge, Bryan C Cannon, Randall M Bryant, Jonathan N Johnson, Michael J Ackerman
BACKGROUND: Long QT syndrome (LQTS) is a potentially lethal, yet highly treatable, cardiac channelopathy. Cardiac transplantation has been reported anecdotally for patients with severe LQTS refractory to standard therapies. OBJECTIVE: We evaluated the incidence and risk factors for cardiac transplantation among children evaluated and treated in an LQTS specialty center. METHODS: This was a retrospective review of 349 children with LQTS (mean age at diagnosis, 8...
April 14, 2017: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/28412163/electroencephalographic-responses-of-anaesthetized-pigs-sus-scrofa-to-tail-docking-using-clippers-or-cautery-iron-performed-at-2-or-20-days-of-age
#5
Nikki J Kells, Ngaio J Beausoleil, J Paul Chambers, Mhairi A Sutherland, Rebecca S Morrison, Craig B Johnson
OBJECTIVE: To compare electroencephalographic (EEG) responses of pigs to tail docking using clippers or cautery iron, performed at 2 or 20 days of age. STUDY DESIGN: Prospective, randomised controlled experimental study. ANIMALS: A total of 40 Large White x Landrace entire male pigs aged 2 (n=20) or 20 (n=20) days were randomly assigned to undergo tail docking using clippers or cautery iron. METHODS: Anaesthesia was induced and maintained with halothane delivered in oxygen...
February 24, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28411106/mass-spectrometry-imaging-shows-major-derangements-in-neurogranin-and-in-purine-metabolism-in-the-triple-knockout-3%C3%A3-tg-alzheimer-mouse-model
#6
Clara Esteve, Emrys A Jones, Douglas B Kell, Hervé Boutin, Liam A McDonnell
Matrix-assisted laser desorption/ionization (MALDI) mass spectrometry imaging (MSI) can simultaneously measure hundreds of biomolecules directly from tissue. Using different sample preparation strategies, proteins and metabolites have been profiled to study the molecular changes in a 3×Tg mouse model of Alzheimer's disease. In comparison with wild-type (WT) control mice MALDI-MSI revealed Alzheimer's disease-specific protein profiles, highlighting dramatic reductions of a protein with m/z 7560, which was assigned to neurogranin and validated by immunohistochemistry...
April 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28404097/hepatitis-b-and-hepatitis-c-in-southeast-and-southern-asia-challenges-for-governments
#7
Suzanne Wait, Emily Kell, Saeed Hamid, David H Muljono, Jose Sollano, Rosmawati Mohamed, Samir Shah, Mamun-Al-Mahtab, Zaigham Abbas, Jennifer Johnston, Tawesak Tanwandee, Jack Wallace
In 2015, the Coalition to Eradicate Viral Hepatitis in Asia Pacific gathered leading hepatitis experts from Bangladesh, India, Indonesia, Malaysia, Pakistan, the Philippines, and Thailand to discuss common challenges to the burden posed by hepatitis B virus (HBV) and hepatitis C virus (HCV), to learn from each other's experience, and identify sustainable approaches. In this report, we summarise these discussions. Countries differ in their policy responses to HBV and HCV; however, substantial systemic, cultural, and financial barriers to achievement of elimination of these infections persist in all countries...
November 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28396636/enhancing-drug-efficacy-and-therapeutic-index-through-cheminformatics-based-selection-of-small-molecule-binary-weapons-that-improve-transporter-mediated-targeting-a-cytotoxicity-system-based-on-gemcitabine
#8
Justine M Grixti, Steve O'Hagan, Philip J Day, Douglas B Kell
The transport of drug molecules is mainly determined by the distribution of influx and efflux transporters for which they are substrates. To enable tissue targeting, we sought to develop the idea that we might affect the transporter-mediated disposition of small-molecule drugs via the addition of a second small molecule that of itself had no inhibitory pharmacological effect but that influenced the expression of transporters for the primary drug. We refer to this as a "binary weapon" strategy. The experimental system tested the ability of a molecule that on its own had no cytotoxic effect to increase the toxicity of the nucleoside analog gemcitabine to Panc1 pancreatic cancer cells...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28394609/toward-an-understanding-of-the-excitonic-structure-of-the-cp47-antenna-protein-complex-of-photosystem-ii-revealed-via-circularly-polarized-luminescence
#9
Mahboobe Jassas, Tonu Reinot, Adam Kell, Ryszard Jankowiak
Identification of the lowest energy pigments in the photosynthetic CP47 antenna protein complex of Photosystem II (PSII) is essential for understanding its excitonic structure, as well as excitation energy pathways in the PSII core complex. Unfortunately, there is no consensus concerning the nature of the low-energy state(s), nor chlorophyll (Chl) site energies in this important photosynthetic antenna. Although we raised concerns regarding the estimations of Chl site energies obtained from modeling studies of various types of CP47 optical spectra [Reinot, T; et al...
April 19, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28392952/clinical-implications-for-the-timely-diagnosis-of-mycobacterium-marinum-in-the-age-of-biologic-therapy-a-case-report-and-review-of-the-literature
#10
Chris J Lata, Kelle Edgar, Stephen Vaughan
Mycobacterium marinum infections typically present as cutaneous nodular lesions with a sporotrichoid lymphatic spread on extensor surfaces of extremities. The natural history of this infection can be altered if the host is immunosuppressed, leading to disseminated presentations. A detailed exposure history and high degree of suspicion for this indolent pathogen are often required for the correct diagnosis of this disease. We present a case of a 67-year-old male misdiagnosed with seronegative rheumatoid arthritis presenting with rheumatic nodules...
2017: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/28357148/anti-k1-kell-antibody-expressed-in-maternal-breastmilk-a-case-report-of-a-neonate-with-multiple-intrauterine-transfusions-and-postnatal-exposure-to-kell-antibody-in-maternal-breastmilk
#11
Patrick DeMoss, Mohamed Asfour, Kelly Hersey
Hemolytic disease of the fetus and newborn is a common consideration in newborn medicine, especially among the jaundiced. Maternal breastmilk provides numerous benefits to the infant, including nutrition and immunologic factors. Here, we present an infant who received three intrauterine transfusions for anemia secondary to anti-K1 (Kell), anti-C, and anti-e antibodies and whose maternal breastmilk tested positive for anti-Kell antibodies. The infant required another transfusion at 4 weeks of life for anemia...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/28350304/transfer-of-mindfulness-training-to-the-work-setting-a-qualitative-study-in-a-health-care-system
#12
Christopher J Lyddy, Yotam Schachter, Amy Reyer, Kell Julliard
INTRODUCTION: Mindfulness training is now commonly offered as professional development for health care practitioners. Understanding how health care practitioners adopt mindfulness practices is limited, which poses a hurdle to the development of effective mindfulness training programs. To explore how health professionals use and perceive mindfulness practices at work, we conducted an exploratory qualitative study at a large multicomponent inner-city health system. METHODS: All participants were self-selected health professionals who attended at least one mindfulness training...
October 2016: Journal of Continuing Education in the Health Professions
https://www.readbyqxmd.com/read/28347715/preeclampsia-novel-insights-from-global-rna-profiling-of%C3%A2-trophoblast-subpopulations
#13
Matthew Gormley, Katherine Ona, Miko Kapidzic, Tamara Garrido-Gomez, Tamara Zdravkovic, Susan J Fisher
BACKGROUND: The maternal signs of preeclampsia, which include the new onset of high blood pressure, can occur because of faulty placentation. We theorized that transcriptomic analyses of trophoblast subpopulations in situ would lend new insights into the role of these cells in preeclampsia pathogenesis. OBJECTIVE: Our goal was to enrich syncytiotrophoblasts, invasive cytotrophoblasts, or endovascular cytotrophoblasts from the placentas of severe preeclampsia cases...
March 24, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28316656/analysis-of-drug-endogenous-human-metabolite-similarities-in-terms-of-their-maximum-common-substructures
#14
Steve O'Hagan, Douglas B Kell
In previous work, we have assessed the structural similarities between marketed drugs ('drugs') and endogenous natural human metabolites ('metabolites' or 'endogenites'), using 'fingerprint' methods in common use, and the Tanimoto and Tversky similarity metrics, finding that the fingerprint encoding used had a dramatic effect on the apparent similarities observed. By contrast, the maximal common substructure (MCS), when the means of determining it is fixed, is a means of determining similarities that is largely independent of the fingerprints, and also has a clear chemical meaning...
2017: Journal of Cheminformatics
https://www.readbyqxmd.com/read/28301670/mns-duffy-and-kell-blood-groups-among-the-uygur-population-of-xinjiang-china
#15
G Y Lin, X L Du, J J Shan, Y N Zhang, Y Q Zhang, Q H Wang
Human blood groups are a significant resource for patients, leading to a fierce international competition in the screening of rare blood groups. Some rare blood group screening programs have been implemented in western countries and Japan, but not particularly in China. Recently, the genetic background of ABO and Rh blood groups for different ethnic groups or regions in China has been focused on increasingly. However, rare blood groups such as MN, Duffy, Kidd, MNS, and Diego are largely unexplored. No systematic reports exist concerning the polymorphisms and allele frequencies of rare blood groups in China's ethnic minorities such as Uygur and Kazak populations of Xinjiang, unlike those on the Han population...
March 15, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28293401/alloimmunization-in-patients-with-sickle-cell-disease-and-thalassemia-experience-of-a-single-centre-in-oman
#16
Salam Alkindi, Saba AlMahrooqi, Sumaiya AlHinai, Ali AlMarhoobi, Saif Al-Hosni, Shahina Daar, Naglaa Fawaz, Anil Pathare
BACKGROUND: Blood transfusion is an integral part of the supportive care for patients with sickle cell disease (SCD) and thalassaemia. The hazard of red cell alloimmunization, however, is one of the main complications of this therapy. OBJECTIVES: The aim of this study was to evaluate the prevalence of red cell alloimmunization in Omani patients with sickle cell anaemia and thalassemia. METHODS: This study included 262 patients whose historical transfusion records were available...
2017: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/28292619/obesity-and-female-infertility-potential-mediators-of-obesity-s-impact
#17
REVIEW
Darcy E Broughton, Kelle H Moley
The worldwide upward trend in obesity has been dramatic, now affecting more than 20% of American women of reproductive age. Obesity is associated with many adverse maternal and fetal effects prenatally, but it also exerts a negative influence on female fertility. Obese women are more likely to have ovulatory dysfunction due to dysregulation of the hypothalamic-pituitary-ovarian axis. Women with polycystic ovarian syndrome who are also obese demonstrate a more severe metabolic and reproductive phenotype. Obese women have reduced fecundity even when eumenorrheic and demonstrate poorer outcomes with the use of in vitro fertilization...
April 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28285067/incorporation-of-a-community-pharmacy-based-heart-failure-assessment-tool-by-advanced-pharmacy-practice-experience-students
#18
Sarah E Kelling, Paul C Walker, James G Mason, Nadir Zara, Barry E Bleske
OBJECTIVES: To incorporate a published clinical tool related to heart failure (HF) assessment into advanced pharmacy practice experiences in the community pharmacy setting to provide a meaningful and innovative learning experience for students. SETTING: Sixteen independent and chain community pharmacies that served as advanced pharmacy practice experience locations. PRACTICE DESCRIPTION: Sixteen community pharmacy locations served as rotation sites and participated in data collection (8 chain and 8 independent)...
March 8, 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/28275334/clinical-significance-of-an-alloantibody-against-the-kell-blood-group-glycoprotein
#19
Stella Maris Mattaloni, Carine Arnoni, Rosario Céspedes, Claudia Nonaka, Carolina Trucco Boggione, Melina Eliana Luján Brajovich, Andrea Trejo, Néstor Zani, Claudia Silvia Biondi, Lilian Castilho, Carlos Miquel Cotorruelo
BACKGROUND: Kell null (K0) individuals can produce anti-Ku, an antibody against many epitopes in the Kell glycoprotein, after transfusion and/or pregnancy. Since sensitized K0 patients are rare, little is known about anti-Ku clinical relevance and in particular about its association to hemolytic disease of the fetus and newborn. CASE REPORT: This work describes a case of neonatal hyperbilirubinemia due to immune-mediated erythrocyte destruction by an alloantibody directed against the Kell glycoprotein...
January 2017: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/28263130/improving-prostate-cancer-care-collaboratively-a-multidisciplinary-formal-consensus-based-approach
#20
Andrew Loblaw, Jack Barkin, Roger Buckley, Hans Chung, John Kell, Rajiv Singal, Jeff Spodek, Danny Vesprini, Stanley Flax
INTRODUCTION: There are numerous standard treatment options for men diagnosed with localized prostate cancer. Multidisciplinary consultation before decision-making is a consensus- and quality-based objective in Ontario. With the goals of working together more collaboratively and to provide higher quality information for patients at the time of decision-making, a prostate cancer community partnership consensus (PCPC) panel was formed among six partnering centers in the Greater Toronto Area...
February 2017: Canadian Journal of Urology
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