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https://www.readbyqxmd.com/read/28440587/risk-benefit-perception-of-pregnancy-among-breast-cancer-survivors
#1
P-L Hsieh, S-M Huang, L-Y Chien, C-F Lee, Y Hsiung, C-J Tai
Helping breast cancer patients who desire a pregnancy after cancer treatment is a vital issue. Little is known about the complex context of the decision to become pregnant after breast cancer treatment. The purpose of this study was to understand the risk-benefit perception of choosing conception or contraception after treatment in Taiwan. We applied grounded theory to guide this exploratory qualitative study. Data were collected through in-depth interviews with 16 breast cancer patients. Pregnancy was addressed in the context of cancer as a potentially life-threatening diagnosis and its treatment...
April 25, 2017: European Journal of Cancer Care
https://www.readbyqxmd.com/read/28440518/-choice-of-bariatric-and-metabolic-surgical-procedures
#2
Hui Liang, Shibo Lin, Wei Guan
Bariatric and metabolic surgery has become the clinical hot topic of the treatment of metabolic syndromes including obesity and diabetes mellitus, but how to choose the appropriate surgical procedure remains the difficult problem in clinical practice. Clinical guidelines of American Society for Metabolic and Bariatric Surgery(ASMBS)(version 2013) introduced the procedures of bariatric and metabolic surgery mainly including biliopancreatic diversion with duodenal switch(BPD-DS), laparoscopic adjustable gastric banding (LAGB), laparoscopic Roux-en-Y gastric bypass (LRYGB) and laparoscopic sleeve gastrectomy(LSG)...
April 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28438983/light-dependent-expression-of-a-na-h-exchanger-3-like-transporter-in-the-ctenidium-of-the-giant-clam-tridacna-squamosa-can-be-related-to-increased-h-excretion-during-light-enhanced-calcification
#3
Kum C Hiong, Anh H Cao-Pham, Celine Y L Choo, Mel V Boo, Wai P Wong, Shit F Chew, Yuen K Ip
Na(+)/H(+) exchangers (NHEs) regulate intracellular pH and ionic balance by mediating H(+) efflux in exchange for Na(+) uptake in a 1:1 stoichiometry. This study aimed to obtain from the ctenidium of the giant clam Tridacna squamosa (TS) the complete cDNA sequence of a NHE3-like transporter (TSNHE3), and to determine the effect of light exposure on its mRNA expression level and protein abundance therein. The coding sequence of TSNHE3 comprised 2886 bp, encoding 961 amino acids with an estimated molecular mass of 105...
April 2017: Physiological Reports
https://www.readbyqxmd.com/read/28438552/immunomodulation-of-autoimmune-arthritis-by-pro-inflammatory-cytokines
#4
REVIEW
Eugene Y Kim, Kamal D Moudgil
Pro-inflammatory cytokines promote autoimmune inflammation and tissue damage, while anti-inflammatory cytokines help resolve inflammation and facilitate tissue repair. Over the past few decades, this general feature of cytokine-mediated events has offered a broad framework to comprehend the pathogenesis of autoimmune and other immune-mediated diseases, and to successfully develop therapeutic approaches for diseases such as rheumatoid arthritis (RA). Anti-tumor necrosis factor-α (TNF-α) therapy is a testimony in support of this endeavor...
April 21, 2017: Cytokine
https://www.readbyqxmd.com/read/28437340/proximal-junctional-kyphosis-following-posterior-hemivertebra-resection-and-short-fusion-in-children-younger-than-10-years
#5
Yingsong Wang, Noriaki Kawakami, Taichi Tsuji, Tetsuya Ohara, Yoshitaka Suzuki, Toshiki Saito, Ayato Nohara, Ryoji Tauchi, Kazuki Kawakami
STUDY DESIGN: A retrospective study. OBJECTIVE: To investigate whether proximal junctional kyphosis (PJK) or obvious proximal junctional angle (PJA) changes in the sagittal plane develops following short fusion in children younger than 10 years of age with congenital scoliosis, and to investigate the possible risk factors. SUMMARY OF BACKGROUND DATA: PJK following long spinal fusion in adolescents and adults is a serious postoperative complication...
May 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28436423/a-feasible-strategy-to-balance-the-crystallinity-and-specific-surface-area-of-metal-oxide-nanocrystals
#6
Q P Zhang, X N Xu, Y T Liu, M Xu, S H Deng, Y Chen, H Yuan, F Yu, Y Huang, K Zhao, S Xu, G Xiong
Practical, efficient synthesis of metal oxide nanocrystals with good crystallinity and high specific surface area by a modified polymer-network gel method is demonstrated, taking ZnO nanocrystals as an example. A novel stepwise heat treatment yields significant improvement in crystal quality. Such nanophase materials can effectively degrade common organic dyes under solar radiation and can perform very well in photo-assisted detection of NO2 gas. Other typical metal oxide nanocrystals with good crystallinity and high specific surface area were also synthesized successfully under similar conditions...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28434725/effects-of-breed-feeding-system-and-lactation-stage-on-milk-fat-characteristics-and-spontaneous-lipolysis-in-dairy-cows
#7
E Vanbergue, L Delaby, J L Peyraud, S Colette, Y Gallard, C Hurtaud
Spontaneous lipolysis (SL) is an enzymatic reaction which leads to a release of free fatty acids that can modify technological and sensory properties of milk and milk products. However, few studies have been done to assess the effect of feeding systems (FS) and breed on SL. Most of them were conducted in the 1980s and are not fully representative of cattle today. No previous study investigated the effect of cow breed at the whole-lactation scale. Thus, a trial was carried out to study the effects of 2 FS (high- and low-input FS) with 2 breeds [Holstein (HO) and Normande (NO)] during 1 entire lactation...
April 20, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28431670/use-of-glp-1-receptor-agonists-for-type-2-diabetes-treatment-intensification-after-basal-insulin-failure
#8
M Joubert, Y Reznik
Glucagon-like peptide-1 receptor agonists (GLP-1RAs) are part of the armamentarium for the treatment of type 2 diabetes (T2D), although recent guidelines have mainly recommended their use on top of oral treatments when a single or combination of two or three oral hypoglycaemic agents has failed to lower HbA1c levels below the individualized target range. In such situations, the decision to use GLP-1RAs is mostly driven by their high level of efficacy, their effect on body weight balance and their safety considerations, such as low hypoglycaemic risk...
April 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28430968/sex-chromosome-dependent-differential-viability-of-human-spermatozoa-during-prolonged-incubation
#9
Young-Ah You, Woo-Sung Kwon, Md Saidur Rahman, Yoo-Jin Park, Young-Ju Kim, Myung-Geol Pang
STUDY QUESTION: Are there significant differences in the ability of X chromosome-bearing (X) spermatozoa and Y chromosome-bearing (Y) spermatozoa to survive incubation under stressful conditions? SUMMARY ANSWER: Y spermatozoa are more vulnerable to stress than their X counterparts depending on culture period and temperature, and show higher expression of apoptotic proteins. WHAT IS KNOWN ALREADY: The primary sex ratio is determined by there being an equal number of spermatozoa carrying X and Y chromosomes...
April 19, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28430299/effect-of-retreatment-instruments-on-microcrack-formation-a-microcomputed-tomography-study
#10
Mustafa M Koçak, Neslihan Y Çırakoğlu, Sibel Koçak, Baran C Sağlam, Ersan Çiçek, Sevinç A Türker, Emre Bodrumlu
INTRODUCTION: The purpose of this study was to compare the occurrence of microcracks in teeth prepared with different retreatment systems using microcomputed tomography (micro-CT). METHODS: Forty-two freshly extracted mandibular premolar teeth were used. The root canals were instrumented with stainless steel K-files to an apical size of 35/.02 using the balanced-force technique and were obturated using the passive compaction technique. The specimens were divided into 3 experimental groups according to retreatment system used (n = 14): ProTaper Universal retreatment (PTUR), Mtwo retreatment (MTR), or D-RaCe retreatment (D-RC) systems...
April 4, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28429088/an-snp-panel-for-the-analysis-of-paternally-inherited-alleles-in-maternal-plasma-using-ion-torrent-pgm
#11
Donggui Yang, Hao Liang, Shaobin Lin, Qing Li, Xiaoyan Ma, Jun Gao, Hongyu Sun, Qingqing Chen, Jianzhu Wu, Xueling Ou
Researchers have sought to develop an effective protocol for paternity analysis using cell-free DNA (cfDNA) in maternal plasma. The use of massively parallel sequencing (MPS) technology for SNP testing is attractive because of its high-throughput capacity and resolution to single-base precision. In this study, we designed a customized SNP panel for cfDNA sequencing that includes 720 short amplicons (< 140 bp) targeting SNPs on the autosome and Y chromosome. The systemic performance was evaluated using the Ion Torrent PGM, indicating balanced coverage among most of the included loci, except for 78 poorly performing SNPs that were observed to have an inconsistent allele balance, lower coverage reads or high background signals...
April 20, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28424580/the-role-of-microrna-in-the-modulation-of-the-melanocortinergic-system
#12
REVIEW
Adel Derghal, Mehdi Djelloul, Jérôme Trouslard, Lourdes Mounien
The central control of energy balance involves a highly regulated neuronal network within the hypothalamus and the dorsal vagal complex. In these structures, pro-opiomelanocortin (POMC) neurons are known to reduce meal size and to increase energy expenditure. In addition, leptin, a peripheral signal that relays information regarding body fat content, modulates the activity of melanocortin pathway neurons including POMC-, Agouti-related peptide (AgRP)/Neuropeptide Y (NPY)-, melanocortin receptors (MC3R and MC4R)-expressing neurons...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28423907/effects-of-active-site-mutations-on-specificity-of-nucleobase-binding-in-human-dna-polymerase-%C3%AE
#13
Melek N Ucisik, Sharon Hammes-Schiffer
Human DNA polymerase η (Pol η) plays a vital role in protection against skin cancer caused by damage from ultraviolet light. This enzyme rescues stalled replication forks at cyclobutane thymine-thymine dimers (TTDs) by inserting nucleotides opposite these DNA lesions. Residue R61 is conserved in the Pol η enzymes across species, but the corresponding residue, as well as its neighbor S62, is different in other Y-family polymerases, Pol ι and Pol κ. Herein, R61 and S62 are mutated to their Pol ι and Pol κ counterparts...
April 20, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28422129/gaas1-xbix-ganyas1-y-type-ii-quantum-wells-novel-strain-balanced-heterostructures-for-gaas-based-near-and-mid-infrared-photonics
#14
Christopher A Broderick, Shirong Jin, Igor P Marko, Konstanze Hild, Peter Ludewig, Zoe L Bushell, Wolfgang Stolz, Judy M Rorison, Eoin P O'Reilly, Kerstin Volz, Stephen J Sweeney
The potential to extend the emission wavelength of photonic devices further into the near- and mid-infrared via pseudomorphic growth on conventional GaAs substrates is appealing for a number of communications and sensing applications. We present a new class of GaAs-based quantum well (QW) heterostructure that exploits the unusual impact of Bi and N on the GaAs band structure to produce type-II QWs having long emission wavelengths with little or no net strain relative to GaAs, while also providing control over important laser loss processes...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421803/factores-de-riesgo-relacionados-con-los-h%C3%A3-bitos-de-vida-en-pacientes-con-patolog%C3%A3-a-osteomuscular
#15
María Teresa Nestares, Macarena Salinas, Carlos De Teresa, Javier Díaz-Castro, Jorge Moreno-Fernández, Magdalena López-Frías
Introducción: las enfermedades osteomusculares (EOM) engloban una serie de patologías discapacitantes con alta incidencia y prevalencia, representando un alto costo económico y social. Es fundamental su prevención, por lo que es de gran interés determinar factores de riesgo modificables, como son los relacionados con los hábitos de vida.Métodos: se realizó un estudio descriptivo y trasversal en 91 pacientes seleccionados mediante muestreo aleatorio sistemático y que fueron distribuidos en tres grupos experimentales según la causa y evolución de su EOM (cervicalgia, gonalgia y lumbalgia)...
March 30, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28415201/self-adjustment-and-disintegration-threshold-of-langmuir-solitons-in-inhomogeneous-plasmas
#16
Y A Chen, Y Nishimura, Y Nishida, C Z Cheng
Dynamics of Langmuir solitons in the presence of a background density gradient is investigated numerically, including cases with steep gradients to the extent the solitons can disintegrate. The disintegration threshold is explained by regarding the electric field part of the soliton as a point mass moving along the self-generated potential well corresponding to the density cavity. On the other hand, it is demonstrated that the Langmuir solitons are robust when the density gradient is below the threshold. During the acceleration phase toward low density regions, Langmuir solitons adjust themselves to balance the electric field pressure and the negative plasma pressure by expelling the imbalanced portion as density cavities at the sound velocity...
March 2017: Physical Review. E
https://www.readbyqxmd.com/read/28413325/the-psychopharmacological-activities-of-vietnamese-ginseng-in-mice-characterization-of-its-psychomotor-sedative-hypnotic-antistress-anxiolytic-and-cognitive-effects
#17
Irene Joy I Dela Peña, Hee Jin Kim, Chrislean Jun Botanas, June Bryan de la Peña, Thi Hong Van Le, Minh Duc Nguyen, Jeong Hill Park, Jae Hoon Cheong
BACKGROUND: Panax vietnamensis Ha et Grushv. or Vietnamese ginseng (VG) is a recently discovered ginseng species. Studies on its chemical constituents have shown that VG is remarkably rich in ginseng saponins, particularly ocotillol saponins. However, the psychopharmacological effects of VG have not been characterized. Thus, in the present study we screened the psychopharmacological activities of VG in mice. METHODS: VG extract (VGE) was orally administered to mice at various dosages to evaluate its psychomotor (open-field and rota-rod tests), sedative-hypnotic (pentobarbital-induced sleeping test), antistress (cold swimming test), anxiolytic (elevated plus-maze test), and cognitive (Y-maze and passive-avoidance tests) effects...
April 2017: Journal of Ginseng Research
https://www.readbyqxmd.com/read/28405139/regulation-of-intestinal-permeability-the-role-of-proteases
#18
REVIEW
Hanne Van Spaendonk, Hannah Ceuleers, Leonie Witters, Eveline Patteet, Jurgen Joossens, Koen Augustyns, Anne-Marie Lambeir, Ingrid De Meester, Joris G De Man, Benedicte Y De Winter
The gastrointestinal barrier is - with approximately 400 m(2) - the human body's largest surface separating the external environment from the internal milieu. This barrier serves a dual function: permitting the absorption of nutrients, water and electrolytes on the one hand, while limiting host contact with noxious luminal antigens on the other hand. To maintain this selective barrier, junction protein complexes seal the intercellular space between adjacent epithelial cells and regulate the paracellular transport...
March 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28398941/the-season-of-hoverboards-a-case-series-of-fractures
#19
Chester J Donnally, Charles M Lawrie, Augustus J Rush, Avi C Baitner
OBJECTIVE: The aim of this study was to identify the types of pediatric orthopedic extremity fractures that are sustained as a result of hoverboard (self-balancing, self-propelling, 2-wheeled boards) use. METHODS: We performed a retrospective review of all orthopedic consultations from the emergency department at our institution from December 1 to 31, 2015. Data was collected on the injury mechanism, fracture location, management, and patient characteristics including sex, age, and hand dominance...
April 11, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28395491/-the-significance-of-directional-preponderance-in-the-evaluation-of-vestibular-function-in-patients-with-vertigo
#20
J Wang, Y J Zhou, J Yu, J Gu
Objective: To analyze the relationship between directional preponderance (DP), spontaneous nystagmus(SN) and vestibular disorders, and to investigate the significance of DP in directing peripheral vestibular function in patients with vertigo. Methods: This was a retrospective analysis of 394 cases diagnosed with peripheral vestibular disease accompanied by vertigo from March 2012 to June 2014 in the Outpatient Department of the Eye & ENT Hospital of Fudan University. Results of static and dynamic posture equilibrium tests, SN, unilateral weakness(UW), and DP in videonystagmography(VNG) were analyzed and compared...
March 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
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