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https://www.readbyqxmd.com/read/28530648/mechanism-of-human-somatic-reprogramming-to-ips-cell
#1
Rika Teshigawara, Junkwon Cho, Masahiro Kameda, Takashi Tada
Somatic reprogramming to induced pluripotent stem cells (iPSC) was realized in the year 2006 in mice, and in 2007 in humans, by transiently forced expression of a combination of exogenous transcription factors. Human and mouse iPSCs are distinctly reprogrammed into a 'primed' and a 'naïve' state, respectively. In the last decade, puzzle pieces of somatic reprogramming have been collected with difficulty. Collectively, dissecting reprogramming events and identification of the hallmark of sequentially activated/silenced genes have revealed mouse somatic reprogramming in fragments, but there is a long way to go toward understanding the molecular mechanisms of human somatic reprogramming, even with developing technologies...
May 22, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28529326/persistent-bacterial-infections-and-persister-cells
#2
REVIEW
Robert A Fisher, Bridget Gollan, Sophie Helaine
Many bacteria can infect and persist inside their hosts for long periods of time. This can be due to immunosuppression of the host, immune evasion by the pathogen and/or ineffective killing by antibiotics. Bacteria can survive antibiotic treatment if they are resistant or tolerant to a drug. Persisters are a subpopulation of transiently antibiotic-tolerant bacterial cells that are often slow-growing or growth-arrested, and are able to resume growth after a lethal stress. The formation of persister cells establishes phenotypic heterogeneity within a bacterial population and has been hypothesized to be important for increasing the chances of successfully adapting to environmental change...
May 22, 2017: Nature Reviews. Microbiology
https://www.readbyqxmd.com/read/28529073/real-life-acute-lung-function-changes-after-lumacaftor-ivacaftor-first-administration-in-pediatric-patients-with-cystic-fibrosis
#3
Aurélie Labaste, Camille Ohlmann, Catherine Mainguy, Virginie Jubin, Marie Perceval, Laurianne Coutier, Philippe Reix
The combination of lumacaftor and ivacaftor (LUM/IVA) has been reported to induce a mean acute absolute drop of -4.1% predicted forced expiratory volume in 1s (FEV1) after a unique administration in healthy subjects. The aim of the present study was to assess acute FEV1 changes after the first dose of LUM/IVA in CF patients. A total of 32 pediatric patients were included. Respiratory manifestations occurred in only 3 patients (9.4%), but FEV1 consistently decreased (-10.4±4.6%, range: -1.5; -21.8%). FEV1 only partially resumed after salbutamol inhalation...
May 18, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/28527614/n-o-344-salpingectomie-opportuniste-et-autres-m%C3%A3-thodes-pour-r%C3%A3-duire-le-risque-de-cancer-de-l-ovaire-de-la-trompe-de-fallope-et-du-p%C3%A3-ritoine-dans-la-population-g%C3%A3-n%C3%A3-rale
#4
Shannon Salvador, Stephanie Scott, Julie Ann Francis, Anita Agrawal, Christopher Giede
OBJECTIF: La présente directive clinique examine les avantages potentiels de la salpingectomie opportuniste pour prévenir le développement du cancer séreux de grade élevé de l'ovaire, de la trompe de Fallope et du péritoine à la lumière de données probantes actuelles selon lesquelles ce type de cancer prendrait naissance dans la trompe de Fallope. UTILISATEURS CIBLES: Gynécologues, obstétriciens, médecins de famille, infirmières autorisées, infirmières praticiennes, résidents et fournisseurs de soins de santé...
June 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28527456/core-valence-stockholder-aim-analysis-and-its-connection-to-nonadiabatic-effects-in-small-molecules
#5
Paulo H R Amaral, José R Mohallem
A previous theory of separation of motions of core and valence fractions of electrons in a molecule [J. R. Mohallem et al., Chem. Phys. Lett. 501, 575 (2011)] is invoked as basis for the useful concept of Atoms-in-Molecules (AIM) in the stockholder scheme. The output is a new tool for the analysis of the chemical bond that identifies core and valence electron density fractions (core-valence stockholder AIM (CVSAIM)). One-electron effective potentials for each atom are developed, which allow the identification of the parts of the AIM which move along with the nuclei (cores)...
May 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28524377/to-be-or-not-to-be-a-caregiver-s-question-the-lived-experience-of-a-stroke-family-during-the-first-18-months-poststroke
#6
Cheryl L Olivier, Jill Phillips, Dianne E Roy
BACKGROUND: Disability following a stroke often requires family, commonly a spouse, to provide care enabling the stroke survivor to return home. Immediate or extended family and friends may help provide direct care or support the primary caregiver. While family members share the common stroke experience, this is lived within the context of separate lives. Research examining the individual nuances, roles and contribution of family and/or friends forming part of collective stroke networks, has largely been overlooked...
May 19, 2017: Scandinavian Journal of Caring Sciences
https://www.readbyqxmd.com/read/28524061/immediate-hypersensitivity-reaction-to-pegylated-liposomal-doxorubicin-management-and-outcome-in-four-patients
#7
Saskia Ingen-Housz-Oro, Anne Pham-Ledard, Pauline Brice, Bénédicte Lebrun-Vignes, Ouidad Zehou, Delphine Reitter, Caroline Ram-Wolff, Nicolas Dupin, Martine Bagot, Olivier Chosidow, Marie Beylot-Barry
Hypersensitivity reactions (HSR) to pegylated liposomal doxorubicin (PLD; Caelyx(®)) have been reported, and symptoms usually resolve with drug withdrawal. However, the risk of relapse of severe HSR and prevention remain poorly described. To report the management and outcome in four patients with HSR due to PLD. Patient characteristics, premedication regimen, rate of infusion, time between onset and HSR, clinical manifestations, and management were documented. A first cycle of PLD was received for cutaneous T-cell lymphoma (n = 3) and Kaposi sarcoma (n = 1)...
May 19, 2017: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/28521938/current-findings-on-the-molecular-mechanisms-underlying-anhydrobiosis-in-polypedilum-vanderplanki
#8
REVIEW
Yoichiro Sogame, Takahiro Kikawada
Water is an essential molecule for living organisms. However, some organisms can survive in environments which receive no rainfall for months and in which ordinary life cannot survive. How do they endure the extended dry season? The sleeping chironomid Polypedilum vanderplanki, which inhabits sub-Saharan Africa, exhibits extreme tolerance to complete desiccation, a process termed anhydrobiosis. During anhydrobiosis these organisms dry up and entirely shut down their metabolism. However, when the dried larvae are immersed in water, their metabolism is resumed...
February 2017: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/28520453/-indeterminate-cell-histiocytosis-disappearance-of-skin-infiltration-following-electron-beam-therapy-and-an-application-of-2-chlorodeoxyadenosine-case-report
#9
Zdeněk Adam, Marta Ježová, Pavel Šlampa, Leoš Křen, Vladimír Vašků, Renata Koukalová, Zdeněk Řehák, Luděk Pour, Marta Krejčí, Zdeněk Král, Jiří Mayer
Indeterminate cell histiocytosis is a rare disease belonging to the group of malignant histiocytic diseases. The disease predominantly affects the skin. The disease appeared in the described patient at the age of 80 years. Morphs began to develop on the skin and rapidly spread over the whole body including the face. Only the hands and feet were left uncovered. The patients skin samples were taken from 2 sites for histological examination. The resulting conclusion was indeterminate cell histiocytosis. The treatment we chose was analogous to the procedures for Langerhans cell histiocytosis...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28515868/postglacial-recolonization-shaped-the-genetic-diversity-of-the-winter-moth-operophtera-brumata-in-europe
#10
Jeremy C Andersen, Nathan P Havill, Adalgisa Caccone, Joseph S Elkinton
Changes in climate conditions, particularly during the Quaternary climatic oscillations, have long been recognized to be important for shaping patterns of species diversity. For species residing in the western Palearctic, two commonly observed genetic patterns resulting from these cycles are as follows: (1) that the numbers and distributions of genetic lineages correspond with the use of geographically distinct glacial refugia and (2) that southern populations are generally more diverse than northern populations (the "southern richness, northern purity" paradigm)...
May 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28515330/post-fire-recovery-of-torpor-and-activity-patterns-of-a-small-mammal
#11
Clare Stawski, Taylor Hume, Gerhard Körtner, Shannon E Currie, Julia Nowack, Fritz Geiser
To cope with the post-fire challenges of decreased availability of food and shelter, brown antechinus (Antechinus stuartii), a small marsupial mammal, increase the use of energy-conserving torpor and reduce activity. However, it is not known how long it takes for animals to resume pre-fire torpor and activity patterns during the recovery of burnt habitat. Therefore, we tested the hypothesis that antechinus will adjust torpor use and activity after a fire depending on vegetation recovery. We simultaneously quantified torpor and activity patterns for female antechinus from three adjacent areas: (i) the area of a management burn 1 year post-fire, (ii) an area that was burned 2 years prior, and (iii) a control area...
May 2017: Biology Letters
https://www.readbyqxmd.com/read/28512684/therapeutic-applications-of-classic-hallucinogens
#12
Michael P Bogenschutz, Stephen Ross
This chapter reviews what is known about the therapeutic uses of the serotonergic or classic hallucinogens, i.e., psychoactive drugs such as LSD and psilocybin that exert their effects primarily through agonist activity at serotonin 2A (5HT2A) receptors. Following a review of the history of human use and scientific study of these drugs, the data from clinical research are summarized, including extensive work on the use of classic hallucinogens in the treatment of alcoholism and other addictions, studies of the use of LSD and psilocybin to relieve distress concerning death, particularly in patients with advanced or terminal cancer, and more limited data concerning the use of classic hallucinogens to treat mood and anxiety disorders...
May 18, 2017: Current Topics in Behavioral Neurosciences
https://www.readbyqxmd.com/read/28512163/retroperitoneal-laparoscopic-radical-nephrectomy-allows-continuation-of-peritoneal-dialysis-in-patients-with-end-stage-renal-disease
#13
Aziz Khambati, Mary Kate Fitzgerald, Kent T Perry, Robert B Nadler
Patient outcomes for retroperitoneal laparoscopic radical nephrectomy (RLRN) in adults on peritoneal dialysis (PD) have not been described in the literature. This is the first series on the successful application of RLRN for renal cell carcinoma (RCC) among adults with end-stage renal disease (ESRD) on PD. In our series of 5 patients, all were able to promptly resume PD, no wound complications were noted at postoperative visits, and no evidence of recurrence was identified on surveillance imaging at follow-up...
May 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28510035/ketone-bodies-as-a-possible-adjuvant-to-ketogenic-diet-in-pdhc-deficiency-but-not-in-glut1-deficiency
#14
F Habarou, N Bahi-Buisson, E Lebigot, C Pontoizeau, M T Abi-Warde, A Brassier, K H Le Quan Sang, C Broissand, S Vuillaumier-Barrot, A Roubertie, A Boutron, C Ottolenghi, P de Lonlay
OBJECTIVE: Ketogenic diet is the first line therapy for neurological symptoms associated with pyruvate dehydrogenase deficiency (PDHD) and intractable seizures in a number of disorders, including GLUT1 deficiency syndrome (GLUT1-DS). Because high-fat diet raises serious compliance issues, we investigated if oral L,D-3-hydroxybutyrate administration could be as effective as ketogenic diet in PDHD and GLUT1-DS. METHODS: We designed a partial or total progressive substitution of KD with L,D-3-hydroxybutyrate in three GLUT1-DS and two PDHD patients...
May 17, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28507963/evaluation-of-efficacy-of-three-dimensional-stainless-steel-mini-plates-in-the-treatment-of-fractures-of-the-mandible-a-prospective-study
#15
Shreyas H Gupte, Shruti Chaddva, Yash Jethwani, Aditi Mohandas, Digvijay P Kumavat, Nirali Jhaveri
INTRODUCTION: The purpose of the study was to analyze whether adequate fracture fixation can be achieved by three-dimensional (3D) stainless steel mini-plates its ease of placement, whether the patient can resume function early and to find out the need to do intermaxillary fixation. MATERIALS AND METHODS: In the prospective study, we treated 12 patients and 17 fractured sites using 3D mini-plates. Once fracture reduction was achieved temporary intermaxillary fixation (IMF) was done occlusion was achieved and the fractured segments were fixed using 3D plates either 4-holed or 6-holed of 2...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28507242/an-rpohi-dependent-response-promotes-outgrowth-after-extended-stationary-phase-in-the-alphaproteobacterium-rhodobacter-sphaeroides
#16
B Remes, T Rische-Grahl, K M H Müller, K U Förstner, Y Sung-Huan, L Weber, A Jäger, V Peuser, G Klug
Under unfavorable growth conditions, bacteria enter stationary phase and can maintain cell viability over prolonged periods with no increase in cell number. To get insights into the regulatory mechanisms that allow bacteria to resume growth when conditions become favorable again (outgrowth) we performed global transcriptome analyses at different stages of growth for the alphaproteobacterium Rhodobacter sphaeroides The majority of genes was not differentially expressed across growth phases. After short stationary phase (about 20 h after growth starts to slow down), only 7 % of the genes showed altered expression (fold change of > 1...
May 15, 2017: Journal of Bacteriology
https://www.readbyqxmd.com/read/28504995/remote-ischemic-preconditioning-decreases-oxidative-lung-damage-after-pulmonary-lobectomy-a-single-center-randomized-double-blind-controlled-trial
#17
José García-de-la-Asunción, Laura Bruno, Jaume Perez-Griera, Genaro Galan, Alfonso Morcillo, Richard Wins, Eva García-Del-Olmo, Ricardo Guijarro, Benjamín Sarriá, Francisco Martí, Marina Soro, Francisco Javier Belda
BACKGROUND: During lobectomy in patients with lung cancer, the operated lung is often -collapsed and hypoperfused. Ischemia/reperfusion injury may then occur when the lung is -re-expanded. We hypothesized that remote ischemic preconditioning (RIPC) would decrease oxidative lung damage and improve gas exchange in the postoperative period. METHODS: We conducted a single-center, randomized, double-blind trial in patients with nonsmall cell lung cancer undergoing elective lung lobectomy...
May 11, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28504015/laparoscopic-surgery-in-patients-on-peritoneal-dialysis-a-review-of-the-literature
#18
Giulio Mari, Renzo Scanziani, Sara Auricchio, Jacopo Crippa, Dario Maggioni
Peritoneal dialysis (PD) is an effective renal replacement therapy for the treatment of end-stage renal disease. Patients on PD undergoing abdominal open surgery often fail to resume PD. Laparoscopic surgery has recently become a serious alternative to open surgery in patients on PD to treat different abdominal pathologies. However, only a few studies have reported successful procedures without Tenckhoff catheter removal. The aim of this review is to describe how a laparoscopic technique can allow PD patients to deal with abdominal surgery without shifting to hemodialysis...
May 1, 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28503242/surgical-excision-of-perineal-nodular-induration-a-cyclist-s-third-testicle
#19
Mohannad A Awad, Gregory P Murphy, Thomas W Gaither, E Charles Osterberg, Thomas A Sanford, Andrew E Horvai, Benjamin N Breyer
Perineal nodular induration (PNI), or biker's nodule, is a rare, bothersome, pseudotumour. Herein, we describe the surgical technique used to treat a healthy cyclist who developed an enlarging PNI for five years that grew into a perineal mass. The mass prevented him from cycling due to worsening discomfort and heaviness. The PNI-associated mass was successfully removed by wide surgical excision and a local advancement flap. Subsequently, the patient resumed cycling. Histopathology report demonstrated a benign lesion with abundant ropy collagen with native smooth muscle, vessels, and rare fibroblast-like spindle cells...
May 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28497957/crimp-accumulation-and-compression-of-billions-of-ions-for-ion-mobility-ms-using-traveling-waves-in-structures-for-lossless-ion-manipulations
#20
Liulin Deng, Sandilya V B Garimella, Ahmed M Hamid, Ian K Webb, Isaac K Attah, Randolph V Norheim, Spencer A Prost, Xueyun Zheng, Jeremy A Sandoval, Erin Shammel Baker, Yehia M Ibrahim, Richard D Smith
We report on the implementation of a traveling wave (TW) based compression ratio ion mobility programming (CRIMP) approach within Structures for Lossless Ion Manipulations (SLIM) that enables both greatly enlarged trapped ion charge capacities and also efficient ion population compression for use in ion mobility (IM) separations. Ion accumulation is conducted in a SLIM serpentine ultra-long path with extended routing (SUPER) region after which CRIMP compression allows the large ion populations to be 'squeezed'...
May 12, 2017: Analytical Chemistry
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