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https://www.readbyqxmd.com/read/28431059/cardiac-structural-and-functional-profile-of-patients-with-delayed-qrs-transition-zone-and-sudden-cardiac-death
#1
Aapo L Aro, Derek Phan, Carmen Teodorescu, Audrey Uy-Evanado, Kyndaron Reinier, Karen Gunson, Jonathan Jui, Heikki V Huikuri, Sumeet S Chugh
Aims: Delayed QRS transition zone in the precordial leads of the 12-lead electrocardiogram (ECG) has been recently associated with increased risk of sudden cardiac death (SCD), but the underlying mechanisms are unknown. We correlated echocardiographic findings with ECG and clinical characteristics to investigate how alterations in cardiac structure and function contribute to this risk marker. Methods and Results: From the ongoing population-based Oregon Sudden Unexpected Death Study (catchment population ∼1 million), SCD cases with prior ECG available (n = 627) were compared with controls (n = 801)...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28428223/glutamatergic-mechanisms-involved-in-bladder-overactivity-and-pudendal-neuromodulation-in-cats
#2
Jamie Uy, Michelle Yu, Xuewen Jiang, Cameron Jones, Bing Shen, Jicheng Wang, James R Roppolo, William C de Groat, Changfeng Tai
The involvement of ionotropic glutamate receptors in bladder overactivity and pudendal neuromodulation was determined in α-chloralose anesthetized cats by intravenously administering MK801 (a NMDA receptor antagonist) or CP465022 (an AMPA receptor antagonist). Infusion of 0.5% acetic acid (AA) into the bladder produced bladder overactivity. In the first group of 5 cats, bladder capacity was significantly (p<0.05) reduced to 55.3±10.0% of saline control by AA irritation. Pudendal nerve stimulation (PNS) significantly (p<0...
April 20, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28401069/a-novel-restraint-device-for-injection-of-galleria-mellonella-larvae-that-minimizes-the-risk-of-accidental-operator-needle-stick-injury
#3
James P Dalton, Benedict Uy, Simon Swift, Siouxsie Wiles
Larvae of the insect Galleria mellonella are increasingly being used for studying pathogenic microbes and their virulence mechanisms, and as a rapid model for screening novel antimicrobial agents. The larvae (waxworms) are most frequently infected by injection of pathogenic organisms into the haemocoel through the insect's prolegs. The mostly widely used method for restraining the waxworms for injection is by grasping them between the operator's fingers, which puts the operator at risk of needle stick injury, an important consideration when working with highly pathogenic and/or drug-resistant microorganisms...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28381033/non-local-correlations-via-chaotic-itinerancy-in-vcsel-with-optical-feedback
#4
Chi-Hak Uy, Damien Rontani, Stefan Breuer, Marc Sciamanna
Similar to edge-emitting lasers, vertical cavity surface emitting lasers (VCSELs) subjected to optical feedback are known for exhibiting erratic fluctuations of their optical power at slow and fast time scales; these are called low-frequency fluctuations (LFF). Here, we demonstrate both experimentally and numerically that the chaotic itinerancy in phase space associated with LFF has a deep connection with the creation of non-local correlations at multiple time scales between the two linear polarization modes...
March 20, 2017: Optics Express
https://www.readbyqxmd.com/read/28370617/genomic-evidence-for-convergent-evolution-of-a-key-trait-underlying-divergence-in-island-birds
#5
Elizabeth A Cooper, J Albert C Uy
Reproductive isolation can be initiated by changes in one or a few key traits that prevent random mating among individuals in a population. During the early stages of speciation, when isolation is often incomplete, there will be a heterogeneous pattern of differentiation across regions of the genome between diverging populations, with loci controlling these key traits appearing the most distinct as a result of strong diversifying selection. In this study, we used Illumina-sequenced ddRAD tags to identify genome-wide patterns of differentiation in three recently-diverged island populations of the Monarcha castaneiventris ycatcher of the Solomon Islands...
March 28, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28370456/predictors-for-detrusor-overactivity-following-extensive-vaginal-pelvic-reconstructive-surgery
#6
Tsia-Shu Lo, Shailaja Nagashu, Wu-Chiao Hsieh, Ma Clarissa Uy-Patrimonio, Lin Yi-Hao
AIM: This study aims to identify the predictors for detrusor overactivity (DO) in women following extensive vaginal pelvic reconstructive surgery (PRS) for advanced pelvic organ prolapse (POP). METHODS: We enrolled 1503 women who had prolapse POP-Q stage ≥ 3 and underwent vaginal PRS with or without MUS from January 2006 to December 2015. All subjects completed a 72-h voiding diary, IIQ-7, UDI-6, POPDI-6, and PISQ-12. Urodynamics (UDS) was performed pre- and post-operatively...
March 31, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28323004/fresh-or-cryopreserved-cd34-selected-mobilized-peripheral-blood-stem-and-progenitor-cells-for-the-treatment-of-poor-graft-function-after-allogeneic-hematopoietic-cell-transplantation
#7
Armin Ghobadi, Mark A Fiala, Giridharan Ramsingh, Feng Gao, Camille N Abboud, Keith Stockerl-Goldstein, Geoffrey L Uy, Brenda J Grossman, Peter Westervelt, John F DiPersio
CD34(+)-selected stem cell boost (SCB) without conditioning has recently been utilized for poor graft function (PGF) after allogeneic hematopoietic stem cell transplantation with promising results. Unfortunately, many patients have been unable to receive the boost infusion as their donors were unwilling or unable to undergo an additional stem cell collection. Therefore, we conducted this study utilizing either fresh or cryopreserved peripheral blood stem cell products to create CD34(+)-selected boost infusions for the treatment of PGF...
March 18, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28321127/ancient-evolutionary-origin-of-vertebrate-enteric-neurons-from-trunk-derived-neural-crest
#8
Stephen A Green, Benjamin R Uy, Marianne E Bronner
The enteric nervous system of jawed vertebrates arises primarily from vagal neural crest cells that migrate to the foregut and subsequently colonize and innervate the entire gastrointestinal tract. Here we examine development of the enteric nervous system in the basal jawless vertebrate the sea lamprey (Petromyzon marinus) to gain insight into its evolutionary origin. Surprisingly, we find no evidence for the existence of a vagally derived enteric neural crest population in the lamprey. Rather, labelling with the lipophilic dye DiI shows that late-migrating cells, originating from the trunk neural tube and associated with nerve fibres, differentiate into neurons within the gut wall and typhlosole...
April 6, 2017: Nature
https://www.readbyqxmd.com/read/28292947/mobilization-of-allogeneic-peripheral-blood-stem-cell-donors-with-intravenous-plerixafor-mobilizes-a-unique-graft
#9
Mark A Schroeder, Michael P Rettig, Sandra Lopez, Stephanie Christ, Mark Fiala, William Eades, Fazia A Mir, Jin Shao, Kyle McFarland, Kathryn Trinkaus, William Shannon, Elena Deych, Jinsheng Yu, Ravi Vij, Keith Stockerl-Goldstein, Amanda F Cashen, Geoffery L Uy, Camille N Abboud, Peter Westervelt, John F DiPersio
A single subcutaneous (SC) injection of plerixafor results in rapid mobilization of hematopoietic progenitors but fails to mobilize 33% of normal allogeneic sibling donors in one apheresis. We hypothesized that changing the route of administration of plerixafor from SC to intravenous (IV) may overcome the low stem cell yields and allow collection in one day. A phase I trial followed by a phase II efficacy trial was conducted in allogeneic sibling donors. The optimal dose of IV plerixafor was determined to be 0...
March 14, 2017: Blood
https://www.readbyqxmd.com/read/28288013/new-developments-in-surgery-for-endometriosis-and-pelvic-pain
#10
Thanh Ha Luu, M Jean Uy-Kroh
Endometriosis is a common disease affecting reproductive age women. Pain is one of the most common symptoms associated with endometriosis. When medical therapy has failed or in known deeply infiltrating endometriosis, surgical management is warranted. Laparoscopy is the gold standard for diagnosis and treatment of endometriosis. Recent developments in surgery have shown the feasibility of robotic surgery for endometriosis, although these methods have not been shown to be superior to conventional laparoscopy...
June 2017: Clinical Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28282031/a-phase-1-2-study-of-chemosensitization-with-plerixafor-plus-g-csf-in-relapsed-or-refractory-acute-myeloid-leukemia
#11
G L Uy, M P Rettig, R M Stone, M Y Konopleva, M Andreeff, K McFarland, W Shannon, T R Fletcher, T Reineck, W Eades, K Stockerl-Goldstein, C N Abboud, M A Jacoby, P Westervelt, J F DiPersio
No abstract text is available yet for this article.
March 10, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28246407/zeb1-regulates-glioma-stemness-through-lif-repression
#12
Lincoln A Edwards, Aiguo Li, Dror Berel, Mecca Madany, Nam-Ho Kim, Minzhi Liu, Mitch Hymowitz, Benjamin Uy, Rachel Jung, Minlin Xu, Keith L Black, Altan Rentsendorj, Xuemo Fan, Wei Zhang, John S Yu
The identification of a stem cell regulatory gene which is aberrantly expressed in glioma and associated with patient survival would increase the understanding of the role of glioma cancer stem cells (GCSCs) in the virulence of gliomas. Interrogating the genomes of over 4000 brain cancers we identified ZEB1 deletion in ~15% (grade II and III) and 50% of glioblastomas. Meta-analysis of ZEB1 copy number status in 2,988 cases of glioma revealed disruptive ZEB1 deletions associated with decreased survival. We identified ZEB1 binding sites within the LIF (stemness factor) promoter region, and demonstrate LIF repression by ZEB1...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28246104/forkhead-box-o3-plays-a-role-in-skeletal-muscle-atrophy-through-expression-of-e3-ubiquitin-ligases-murf-1-and-atrogin-1-in-cushing-s-syndrome
#13
Seol-Hee Kang, Hae-Ahm Lee, Mina Kim, Eunjo Lee, Uy Dong Sohn, Inkyeom Kim
Cushing's syndrome is caused by overproduction of the adrenocorticotropic hormone (ACTH), which stimulates the adrenal grand to make cortisol. Skeletal muscle wasting occurs in pathophysiological response to Cushing's syndrome. The forkhead box (FOX) protein family has been implicated as a key regulator of muscle loss under conditions such as diabetes and sepsis. However, the mechanistic role of the FOXO family in ACTH-induced muscle atrophy is not understood. We hypothesized that FOXO3a plays a role in muscle atrophy through expression of the E3 ubiquitin ligases, muscle RING finger protein-1 (MuRF-1) and Atrogin-1 in Cushing's syndrome...
February 28, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28225729/reply
#14
Raj K Maturi, Ayala Pollack, Harvey S Uy, Monica Varano, Andre M V Gomes, Xiao-Yan Li, Harry Cui, Jean Lou, Yehia Hashad, Scott M Whitcup
No abstract text is available yet for this article.
March 2017: Retina
https://www.readbyqxmd.com/read/28208012/hypothermia-inhibits-endothelium-independent-vascular-contractility-via-rho-kinase-inhibition
#15
Yoon Hee Chung, Keon Woong Oh, Sung Tae Kim, Eon Sub Park, Hyun Dong Je, Hyuk-Jun Yoon, Uy Dong Sohn, Ji Hoon Jeong, Hyen-Oh La
The present study was undertaken to investigate the influence of hypothermia on endothelium-independent vascular smooth muscle contractility and to determine the mechanism underlying the relaxation. Denuded aortic rings from male rats were used and isometric contractions were recorded and combined with molecular experiments. Hypothermia significantly inhibited fluoride-, thromboxane A₂-, phenylephrine-, and phorbol ester-induced vascular contractions regardless of endothelial nitric oxide synthesis, suggesting that another pathway had a direct effect on vascular smooth muscle...
February 17, 2017: Biomolecules & Therapeutics
https://www.readbyqxmd.com/read/28203194/accidental-ingestion-of-nasal-packing-gauze-during-endonasal-endoscopic-dacryocystorhinostomy-under-local-anesthesia-a-case-report
#16
Yoshiyuki Kitaguchi, Jacqueline Mupas-Uy, Yasuhiro Takahashi, Kazushige Ishida, Hirohiko Kakizaki
PURPOSE: To report a case of accidental ingestion of a nasal packing gauze during endonasal endoscopic dacryocystorhinostomy (en-DCR) under local anesthesia. CASE REPORT: A 66-year-old female patient underwent an en-DCR for a right acquired nasolacrimal duct obstruction. The surgery was performed in a supine position under local anesthesia. An X-ray detectable ribbon gauze soaked in 0.02% epinephrine was placed in the middle meatus to prevent blood and liquid from flowing into the pharynx...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28160508/transvaginal-management-of-severe-pelvic-organ-prolapse-in-nulliparous-women
#17
Tsia-Shu Lo, Sukanda Jaili, Ma Clarissa Uy-Patrimonio, Nazura Bt Karim, Rami Ibrahim
AIM: The aim of this study was to evaluate the management outcomes of advanced pelvic organ prolapse (POP) in nulliparous women. METHODS: Eight nulliparous women diagnosed with POP ≥ stage 3 between January 2005 and August 2013, according to the Pelvic Organ Quantification System (POPQ), were reviewed. Seven were managed surgically and one was managed with pessary. Primary outcome was surgical objective cure (POP-Q ≤ 1) and subjective cure, defined as negative response to questions 2 and 3 on Pelvic Organ Prolapse Distress Inventory 6...
February 4, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28125813/signal-transduction-underlying-the-inhibitory-mechanism-of-fluoxetine-on-electrical-field-stimulation-response-in-rat-ileal-smooth-muscle
#18
Phyu Phyu Khin, Tin Sandar Zaw, Uy Dong Sohn
Fluoxetine (FLX), a well-known antidepressant drug under the class of selective serotonin reuptake inhibitor, exerts its action by inhibiting the reuptake of serotonin selectively. In some studies, it has been demonstrated that FLX relaxes the intestinal smooth muscle. In this study, we aimed at studying the signal transduction pathway underlying the muscle relaxation effect of FLX on electrically stimulated rat ileal muscle contraction. To investigate the possible mechanism involved, various antagonists were used...
2017: Pharmacology
https://www.readbyqxmd.com/read/28115576/soil-transmitted-helminthiasis-and-schistosomiasis-in-children-of-poor-families-in-leyte-philippines-lessons-for-disease-prevention-and-control
#19
Harvy Joy Liwanag, Jhanna Uy, Ramil Bataller, Janis Ruth Gatchalian, Betty De La Calzada, Justine Alessandra Uy, Manuel Dayrit
OBJECTIVE:  Neglected tropical diseases (NTDs) continue to be a public health problem in the Philippines. We assessed the association of soil-transmitted helminthiasis (STH) and schistosomiasis with selected health-related and socioeconomic variables in four villages in Leyte, Philippines. METHODS:  Stool specimens from 418 adults and 533 of their children from 209 families were examined through the Kato-Katz technique. RESULTS:  STH and schistosomiasis were present in 64...
January 23, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28092909/immune-mediated-neuropathies-following-autologous-stem-cell-transplantation-for-multiple-myeloma-case-series-and-review-of-the-literature
#20
REVIEW
Ghulam Rehman Mohyuddin, Jacqueline Uy, Honhar Medhavi, Muhammad Salman Faisal, Muzaffar H Qazilbash
Neuropathy is a common finding in patients with multiple myeloma. Several different factors can cause neuropathy in these patients, such as the underlying disease itself, medications used for treatment, or immune-mediated processes. Immune-mediated neuropathies (IMN) consist of a heterogeneous spectrum of peripheral nerve disorders. Although IMN is associated with several hematological disorders, it remains a very rare complication of hematopoietic stem cell transplantation (HCT). We describe our experiences of 3 patients with multiple myeloma who experienced IMN following autologous HCT (auto-HCT)...
2017: Acta Haematologica
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