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https://www.readbyqxmd.com/read/29757789/sociocultural-factors-influencing-infant-feeding-choices-among-african-immigrant-women-living-with-hiv-a-synthesis-of-the-literature
#1
Josephine Etowa, Shannan MacDonald, Jean Hannan, J Craig Phillips, Nana Yaa Boadu, Seye Babatunde
BACKGROUND AND PURPOSE: The World Health Organizations (WHO) strategy is to eliminate pediatric HIV. HIV prevention guidelines in high-income countries recommend mothers living with HIV avoid breastfeeding. Yet, breastfeeding is promoted as the normal and unequalled method of feeding infants. This creates a paradox for mothers coming from cultures where breastfeeding is an expectation and formula feeding suggests illness. Therefore, the purpose of this literature review is to examine the context influencing infant feeding among African immigrant women living with HIV to develop interventions to reduce the risk of HIV mother-to-child transmission...
April 2018: Journal of the American Association of Nurse Practitioners
https://www.readbyqxmd.com/read/29669917/ribosomal-dna-copy-loss-and-repeat-instability-in-atrx-mutated-cancers
#2
Maheshi Udugama, Elaine Sanij, Hsiao P J Voon, Jinbae Son, Linda Hii, Jeremy D Henson, F Lyn Chan, Fiona T M Chang, Yumei Liu, Richard B Pearson, Paul Kalitsis, Jeffrey R Mann, Philippe Collas, Ross D Hannan, Lee H Wong
ATRX (alpha thalassemia/mental retardation X-linked) complexes with DAXX to deposit histone variant H3.3 into repetitive heterochromatin. Recent genome sequencing studies in cancers have revealed mutations in ATRX and their association with ALT (alternative lengthening of telomeres) activation. Here we report depletion of ATRX in mouse ES cells leads to selective loss in ribosomal RNA gene (rDNA) copy number. Supporting this, ATRX-mutated human ALT-positive tumors also show a substantially lower rDNA copy than ALT-negative tumors...
May 1, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29669593/association-between-general-joint-hypermobility-and-knee-hip-and-lumbar-spine-osteoarthritis-by-race-a-cross-sectional-study
#3
Portia P E Flowers, Rebecca J Cleveland, Todd A Schwartz, Amanda E Nelson, Virginia B Kraus, Howard J Hillstrom, Adam P Goode, Marian T Hannan, Jordan B Renner, Joanne M Jordan, Yvonne M Golightly
BACKGROUND: Osteoarthritis (OA) prevalence differs by race. General joint hypermobility (GJH) may be associated with OA, but differences by race are not known. This community-based study examined the frequency of GJH and its relationship with knee, hip, and lumbar spine OA by race (African American vs. Caucasian). METHODS: Data were from the Johnston County OA project, collected 2003-2010. GJH was defined as Beighton score ≥4. OA symptoms were defined as the presence of pain, aching, or stiffness on most days separately at the knee, hip, and lower back...
April 18, 2018: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/29665999/tandem-repeats-and-repeatomes-delving-deeper-into-the-dark-matter-of-genomes
#4
Anthony J Hannan
No abstract text is available yet for this article.
April 14, 2018: EBioMedicine
https://www.readbyqxmd.com/read/29643081/integration-of-risk-factors-for-parkinson-disease-in-2-large-longitudinal-cohorts
#5
Iris Y Kim, Éilis J O'Reilly, Katherine C Hughes, Xiang Gao, Michael A Schwarzschild, Marian T Hannan, Rebecca A Betensky, Alberto Ascherio
OBJECTIVE: To prospectively examine how selected lifestyle factors and family history of Parkinson disease (PD) combine to determine overall PD risk. METHODS: We derived risk scores among 69,968 women in the Nurses' Health Study (NHS) (1984-2012) and 45,830 men in the Health Professionals Follow-up Study (HPFS) (1986-2012). Risk scores were computed for each individual based on the following factors previously associated with PD risk: total caffeine intake, smoking, physical activity, and family history of PD for the NHS, and additionally total flavonoid intake and dietary urate index for the HPFS...
April 11, 2018: Neurology
https://www.readbyqxmd.com/read/29603296/new-roles-for-the-nucleolus-in-health-and-disease
#6
REVIEW
Lorena Núñez Villacís, Mei S Wong, Laura L Ferguson, Nadine Hein, Amee J George, Katherine M Hannan
Over the last decade, our appreciation of the importance of the nucleolus for cellular function has progressed from the ordinary to the extraordinary. We no longer think of the nucleolus as simply the site of ribosome production, or a dynamic subnuclear body noted by pathologists for its changes in size and shape with malignancy. Instead, the nucleolus has emerged as a key controller of many cellular processes that are fundamental to normal cell homeostasis and the target for dysregulation in many human diseases; in some cases, independent of its functions in ribosome biogenesis...
March 30, 2018: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
https://www.readbyqxmd.com/read/29556855/technical-description-of-laparoscopic-morgagni-hernia-repair-with-primary-closure-and-onlay-composite-mesh-placement
#7
J M Ryan, A C Rogers, E J Hannan, A Mastrosimone, M Arumugasamy
INTRODUCTION: Morgagni hernias rarely present in adult life and, thus, little data exist on the optimal method of surgical repair. The laparoscopic approach has grown in popularity since the first reported case in 1992. This article showcases a method for laparoscopic repair of Morgagni hernias using both primary closure and mesh reinforcement. OPERATIVE APPROACH: There were three obese women who presented in adulthood with cardiopulmonary symptoms; in all cases, the symptoms were attributable to local compressive effects of large Morgagni hernias...
March 19, 2018: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://www.readbyqxmd.com/read/29550465/galanin-administration-partially-restores-erectile-function-after-cavernous-nerve-injury-and-mediates-endogenous-nitrergic-nerve-outgrowth-in-vitro
#8
Emmanuel Weyne, Johanna L Hannan, Thomas Gevaert, Mohammad Ayodhia Soebadi, Hotaka Matsui, Fabio Castiglione, Koenraad van Renterghem, Dirk De Ridder, Frank Van der Aa, Trinity J Bivalacqua, Maarten Albersen
BACKGROUND: Previously, we found that the neuropeptide galanin was strongly upregulated soon after bilateral cavernous nerve injury (BCNI) and that galanin and its receptors were expressed in nitrergic erectile innervation. Galanin has been observed to exert neuroregenerative effects in dorsal root ganglion neurons, but evidence for these effects in the major pelvic ganglion (MPG) after BCNI is lacking. AIM: To evaluate the neurotropic effects of galanin receptor agonists and antagonists in vitro in nitrergic neurons and MPG and in vivo in rats after BCNI...
April 2018: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29520039/transgenerational-epigenetic-influences-of-paternal-environmental-exposures-on-brain-function-and-predisposition-to-psychiatric-disorders
#9
REVIEW
Shlomo Yeshurun, Anthony J Hannan
In recent years, striking new evidence has demonstrated non-genetic inheritance of acquired traits associated with parental environmental exposures. In particular, this transgenerational modulation of phenotypic traits is of direct relevance to psychiatric disorders, including depression, post-traumatic stress disorder, and other anxiety disorders. Here we review the recent progress in this field, with an emphasis on acquired traits of psychiatric illnesses transmitted epigenetically via the male lineage. We discuss the transgenerational effects of paternal exposure to stress vs...
March 8, 2018: Molecular Psychiatry
https://www.readbyqxmd.com/read/29519380/2017-versus-2012-appropriate-use-criteria-for-percutaneous-coronary-interventions-impact-on-appropriateness-ratings
#10
Edward L Hannan, Zaza Samadashvili, Kimberly Cozzens, Peter B Berger, Joanna Chikwe, Alice K Jacobs, Gary Walford, Frederick S K Ling, Ferdinand J Venditti, Jeffrey Gold, Spencer B King
OBJECTIVES: The purpose of this study is to revisit cases rated as "inappropriate" in the 2012 appropriate use criteria (AUC) using the 2017 AUC. BACKGROUND: AUC for coronary revascularization in patients with stable ischemic heart disease (SIHD) were released in January 2017. Earlier 2012 AUC identified a relatively high percentage of New York State patients for whom percutaneous coronary intervention (PCI) was rated as "inappropriate" versus optimal medical therapy alone...
March 12, 2018: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/29477298/novel-approaches-to-alcohol-rehabilitation-modification-of-stress-responsive-brain-regions-through-environmental-enrichment
#11
REVIEW
Terence Y Pang, Anthony J Hannan, Andrew J Lawrence
Relapse remains the most prominent hurdle to successful rehabilitation from alcoholism. The neural mechanisms underlying relapse are complex, but our understanding of the brain regions involved, the anatomical circuitry and the modulation of specific nuclei in the context of stress and cue-induced relapse have improved significantly in recent years. In particular, stress is now recognised as a significant trigger for relapse, adding to the well-established impact of chronic stress to escalate alcohol consumption...
March 2, 2018: Neuropharmacology
https://www.readbyqxmd.com/read/29471542/specialized-pro-resolving-lipid-mediators-regulate-ozone-induced-pulmonary-and-systemic-inflammation
#12
Brita Kilburg-Basnyat, Sky W Reece, Miranda J Crouch, Bin Luo, Andria D Boone, Michael Yaeger, Myles Hodge, Christine Psaltis, Johanna L Hannan, Jonathan Manke, Michael L Armstrong, Nichole Reisdorph, Robert M Tighe, Saame Raza Shaikh, Kymberly M Gowdy
Exposure to ozone (O3) induces lung injury, pulmonary inflammation, and alters lipid metabolism. During tissue inflammation, specialized pro-resolving lipid mediators (SPMs) facilitate the resolution of inflammation. SPMs regulate the pulmonary immune response during infection and allergic asthma; however, the role of SPMs in O3-induced pulmonary injury and inflammation is unknown. We hypothesized that O3 exposure induces pulmonary inflammation by reducing SPMs. To evaluate this, male C57Bl/6J mice were exposed to filtered air (FA) or 1 ppm O3 for 3h and necropsied 24h after exposure...
February 19, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29466688/the-efficacy-of-platelet-rich-plasma-and-platelet-rich-fibrin-in-arthroscopic-rotator-cuff-repair-a-meta-analysis-of-randomized-controlled-trials
#13
Eoghan T Hurley, Daren Lim Fat, Cathal J Moran, Hannan Mullett
BACKGROUND: Basic science studies suggest that platelet-rich therapies have a positive effect on tendon repair. However, the clinical evidence is conflicted on whether this translates to increased tendon healing and improved functional outcomes. PURPOSE: To perform a systematic review of randomized controlled trials (RCTs) in the literature to ascertain whether platelet-rich plasma (PRP) or platelet-rich fibrin (PRF) improved patient outcomes in arthroscopic rotator cuff repair...
February 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29466360/combining-metformin-and-esomeprazole-is-additive-in-reducing-sflt-1-secretion-and-decreasing-endothelial-dysfunction-implications-for-treating-preeclampsia
#14
Tu'uhevaha J Kaitu'u-Lino, Fiona C Brownfoot, Sally Beard, Ping Cannon, Roxanne Hastie, Tuong V Nguyen, Natalie K Binder, Stephen Tong, Natalie J Hannan
INTRODUCTION: The discovery of new treatments that prevent or treat preeclampsia would be a major advance. Antiangiogenic factors soluble fms-like tyrosine kinase-1 (sFlt-1) and soluble endoglin (sENG) are secreted in excess from the placenta, causing hypertension, endothelial dysfunction, and multiorgan injury. We recently identified metformin and esomeprazole as potential treatments for preeclampsia. Both reduce placental and endothelial secretion of sFlt-1 and soluble endoglin, and reduce endothelial dysfunction...
2018: PloS One
https://www.readbyqxmd.com/read/29463778/a-calcium-sensing-receptor-mutation-causing-hypocalcemia-disrupts-a-transmembrane-salt-bridge-to-activate-%C3%AE-arrestin-biased-signaling
#15
Caroline M Gorvin, Valerie N Babinsky, Tomas Malinauskas, Peter H Nissen, Anders J Schou, Aylin C Hanyaloglu, Christian Siebold, E Yvonne Jones, Fadil M Hannan, Rajesh V Thakker
The calcium-sensing receptor (CaSR) is a G protein-coupled receptor (GPCR) that signals through Gq/11 and Gi/o to stimulate cytosolic calcium (Ca2+ i ) and mitogen-activated protein kinase (MAPK) signaling to control extracellular calcium homeostasis. Studies of loss- and gain-of-function CASR mutations, which cause familial hypocalciuric hypercalcemia type 1 (FHH1) and autosomal dominant hypocalcemia type 1 (ADH1), respectively, have revealed that the CaSR signals in a biased manner. Thus, some mutations associated with FHH1 lead to signaling predominantly through the MAPK pathway, whereas mutations associated with ADH1 preferentially enhance Ca2+ i responses...
February 20, 2018: Science Signaling
https://www.readbyqxmd.com/read/29429891/vinorelbine-potently-induces-placental-cell-death-does-not-harm-fertility-and-is-a-potential-treatment-for-ectopic-pregnancy
#16
Roxanne Hastie, Elgene Lim, Pavel Sluka, Lisa Campbell, Andrew W Horne, Lenore Ellett, Natalie J Hannan, Fiona Brownfoot, Tu'uhevaha J Kaitu'u-Lino, Stephen Tong
Ectopic pregnancies complicate 1-2 pregnancies and are a leading cause of maternal death. An effective oral drug therapy that replaces surgery might make its treatment safer, cheaper, simpler and therefore more widely accessible. The only current medical treatment offered to women is intramuscular methotrexate, but this only reliably resolves smaller ectopic pregnancies. As such, many ectopic pregnancies require surgical excision. We show that vinorelbine, an orally available chemotherapeutic agent, potently induced placental cell death but did not harm fertility in mice...
March 2018: EBioMedicine
https://www.readbyqxmd.com/read/29398703/tandem-repeats-mediating-genetic-plasticity-in-health-and-disease
#17
REVIEW
Anthony J Hannan
Accumulating evidence suggests that many classes of DNA repeats exhibit attributes that distinguish them from other genetic variants, including the fact that they are more liable to mutation; this enables them to mediate genetic plasticity. The expansion of tandem repeats, particularly of short tandem repeats, can cause a range of disorders (including Huntington disease, various ataxias, motor neuron disease, frontotemporal dementia, fragile X syndrome and other neurological disorders), and emerging data suggest that tandem repeat polymorphisms (TRPs) can also regulate gene expression in healthy individuals...
May 2018: Nature Reviews. Genetics
https://www.readbyqxmd.com/read/29389146/mother-father-adolescent-triadic-concordance-and-discordance-on-home-environment-factors-and-adolescent-disordered-eating-behaviors
#18
Katharine Wickel Didericksen, Jerica M Berge, Peter J Hannan, Steven M Harris, Richard F MacLehose, Dianne Neumark-Sztainer
INTRODUCTION: This study utilizes triadic data to examine the association between mother-father-adolescent concordance (agreement) and discordance (disagreement) on home environment factors (i.e., parental encouragement of dieting, family functioning) and adolescent unhealthy weight control behaviors and binge eating. METHOD: A subsample of adolescent-mother-father triads (n = 833; adolescents ages 10-22) from two coordinated population-based studies (EAT 2010 and F-EAT) were used...
February 1, 2018: Families, Systems & Health: the Journal of Collaborative Family Healthcare
https://www.readbyqxmd.com/read/29325022/large-scale-exome-datasets-reveal-a-new-class-of-adaptor-related-protein-complex-2-sigma-subunit-ap2%C3%AF-mutations-located-at-the-interface-with-the-ap2-alpha-subunit-that-impair-calcium-sensing-receptor-signalling
#19
Caroline M Gorvin, Raghu Metpally, Victoria J Stokes, Fadil M Hannan, Sarath B Krishnamurthy, John D Overton, Jeffrey G Reid, Gerda E Breitwieser, Rajesh V Thakker
Mutations of the sigma subunit of the heterotetrameric adaptor-related protein complex 2 (AP2σ) impair signalling of the calcium-sensing receptor (CaSR), and cause familial hypocalciuric hypercalcaemia type 3 (FHH3). To date, FHH3-associated AP2σ mutations have only been identified at one residue, Arg15. We hypothesized that additional rare AP2σ variants may also be associated with altered CaSR function and hypercalcaemia, and sought for these by analysing >111 995 exomes (>60 706 from ExAc and dbSNP, and 51 289 from the Geisinger Health System-Regeneron DiscovEHR dataset, which also contains clinical data)...
March 1, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29318639/interaction-between-caffeine-and-polymorphisms-of-glutamate-ionotropic-receptor-nmda-type-subunit-2a-grin2a-and-cytochrome-p450-1a2-cyp1a2-on-parkinson-s-disease-risk
#20
Iris Y Kim, Éilis J O'Reilly, Katherine C Hughes, Xiang Gao, Michael A Schwarzschild, Marjorie L McCullough, Marian T Hannan, Rebecca A Betensky, Alberto Ascherio
BACKGROUND: Caffeine intake has been inversely associated with Parkinson's disease (PD) risk. This relationship may be modified by polymorphisms of glutamate ionotropic receptor NMDA type subunit 2A (GRIN2A) and cytochrome P450 1A2 (CYP1A2), but the results of previous studies have been inconsistent. METHOD: We examined the interaction of caffeine intake with GRIN2A-rs4998386 and CYP1A2-rs762551 polymorphisms in influencing PD risk among 829 incident cases of PD and 2,754 matched controls selected among participants in the following 3 large prospective ongoing cohorts: the Nurses' Health Study, the Health Professionals' Follow-up Study, and the Cancer Prevention Study II Nutrition Cohort...
March 2018: Movement Disorders: Official Journal of the Movement Disorder Society
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