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https://www.readbyqxmd.com/read/28231696/performance-differences-of-rhode-island-red-bashang-long-tail-chicken-and-their-reciprocal-crossbreds-under-natural-cold-stress
#1
Shanshan Xie, Xukai Yang, Yahui Gao, Wenjie Jiao, Xinghua Li, Yajie Li, Zhonghua Ning
Objective: The Bashang Long-tail chicken (BS), an indigenous Chinese breed, is considered cold tolerant. We selected BS, the Rhode Island Red (RIR), and their reciprocal crossbreds for the present study. The objectives were: 1) to validate whether BS is cold tolerant and whether egg production and cold tolerance of crossbreds could be improved; and 2) to determine the physiological characteristics that underlie cold tolerance and favorable egg production performance in cold environments...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28231559/prostate-cancer-heterogeneity-discovering-novel-molecular-targets-for-therapy
#2
REVIEW
Chiara Ciccarese, Francesco Massari, Roberto Iacovelli, Michelangelo Fiorentino, Rodolfo Montironi, Vincenzo Di Nunno, Francesca Giunchi, Matteo Brunelli, Giampaolo Tortora
Prostate cancer (PCa) shows a broad spectrum of biological and clinical behavior, which represents the epiphenomenon of an extreme genetic heterogeneity. Recent genomic profiling studies have deeply improved the knowledge of the genomic landscape of localized and metastatic PCa. The AR and PI3K/Akt/mTOR signaling pathways are the two most frequently altered, representing therefore interestingly targets for therapy. Moreover, somatic or germline aberrations of DNA repair genes (DRGs) have been observed at high frequency, supporting the potential role of platinum derivatives and PARP inhibitors as effective therapeutic strategies...
February 11, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28231513/increasing-ascorbate-levels-in-crops-to-enhance-human-nutrition-and-plant-abiotic-stress-tolerance
#3
REVIEW
Richard C Macknight, William A Laing, Sean M Bulley, Ronan C Broad, Alexander At Johnson, Roger P Hellens
Ascorbate (or vitamin C) is an essential human micronutrient predominantly obtained from plants. In addition to preventing scurvy, it is now known to have broader roles in human health, for example as a cofactor for enzymes involved in epigenetic programming and as regulator of cellular iron uptake. Furthermore, ascorbate is the major antioxidant in plants and underpins many environmentally induced abiotic stress responses. Biotechnological approaches to enhance the ascorbate content of crops therefore have potential to improve both human health and abiotic stress tolerance of crops...
February 20, 2017: Current Opinion in Biotechnology
https://www.readbyqxmd.com/read/28231511/automated-diagnosis-of-congestive-heart-failure-using-dual-tree-complex-wavelet-transform-and-statistical-features-extracted-from-2s-of-ecg-signals
#4
Vidya K Sudarshan, U Rajendra Acharya, Shu Lih Oh, Muhammad Adam, Jen Hong Tan, Chua Kuang Chua, Kok Poo Chua, Ru San Tan
Identification of alarming features in the electrocardiogram (ECG) signal is extremely significant for the prediction of congestive heart failure (CHF). ECG signal analysis carried out using computer-aided techniques can speed up the diagnosis process and aid in the proper management of CHF patients. Therefore, in this work, dual tree complex wavelets transform (DTCWT)-based methodology is proposed for an automated identification of ECG signals exhibiting CHF from normal. In the experiment, we have performed a DTCWT on ECG segments of 2s duration up to six levels to obtain the coefficients...
February 7, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28231489/moving-and-positioning-the-endolysosomal-system
#5
REVIEW
Juan S Bonifacino, Jacques Neefjes
The endolysosomal system is extremely dynamic, yet highly organized. The spatio-temporal distribution of endolysosomal organelles depends on transport driven by microtubule motors such as kinesins and dynein, and by actin-based myosin motors. It has recently become appreciated that interactions with motors are controlled by contacts with other organelles, particularly the endoplasmic reticulum (ER). The ER also controls the concentration of endolysosomal organelles in the perinuclear area, as well as their fission and fusion, through a complex system of tethering proteins...
February 20, 2017: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/28231417/genetic-and-genomic-evidence-of-niche-partitioning-and-adaptive-radiation-in-mountain-pine-beetle-fungal-symbionts
#6
Dario I Ojeda Alayon, Clement K M Tsui, Nicolas Feau, Arnaud Capron, Braham Dhillon, Yiyuan Zhang, Sepideh Massoumi Alamouti, Celia K Boone, Allan L Carroll, Janice E K Cooke, Amanda D Roe, Felix A H Sperling, Richard C Hamelin
Bark beetles form multipartite symbiotic associations with blue stain fungi (Ophiostomatales, Ascomycota). These symbionts play an important role during the beetle's life cycle by providing nutritional supplementation, overcoming tree defenses and modifying host tissues to favor brood development. The maintenance of stable multipartite symbioses with seemingly less competitive symbionts in similar habitats is of fundamental interest to ecology and evolution. We tested the hypothesis that the coexistence of three fungal species associated with the mountain pine beetle is the result of niche partitioning and adaptive radiation using SNP genotyping coupled with genotype-environment association analysis and phenotypic characterization of growth rate under different temperatures...
February 23, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28231414/mir-135a-3p-as-a-promising-biomarker-and-nucleic-acid-therapeutic-agent-for-ovarian-cancer
#7
Satoshi Fukagawa, Kohei Miyata, Fusanori Yotsumoto, Chihiro Kiyoshima, Sung Ouk Nam, Haruchika Anan, Takahiro Katsuda, Daisuke Miyahara, Masaharu Murata, Hiroshi Yagi, Kyoko Shirota, Shin'ichiro Yasunaga, Kiyoko Kato, Shingo Miyamoto
Ovarian cancer is the most lethal gynecologic malignancy. Recently, several molecularly targeted anticancer agents have been developed for ovarian cancer; however, its prognosis has remained extremely poor. The development of molecularly targeted therapy, as well as companion diagnostics, is required to improve outcomes for patients with ovarian cancer. In this study, to identify microRNAs involved in the progression of ovarian cancer we analyzed serum microRNAs in patients with ovarian cancer using microRNA array and qRT-PCR and examined the anticancer properties of microRNA expression in ovarian cancer cells...
February 23, 2017: Cancer Science
https://www.readbyqxmd.com/read/28231335/immigrants-in-the-one-percent-the-national-origin-of-top-wealth-owners
#8
Lisa A Keister, Brian Aronson
BACKGROUND: Economic inequality in the United States is extreme, but little is known about the national origin of affluent households. Households in the top one percent by total wealth own vastly disproportionate quantities of household assets and have correspondingly high levels of economic, social, and political influence. The overrepresentation of white natives (i.e., those born in the U.S.) among high-wealth households is well-documented, but changing migration dynamics suggest that a growing portion of top households may be immigrants...
2017: PloS One
https://www.readbyqxmd.com/read/28231329/changes-in-field-workability-and-drought-risk-from-projected-climate-change-drive-spatially-variable-risks-in-illinois-cropping-systems
#9
Bradley J Tomasek, Martin M Williams, Adam S Davis
As weather patterns become more volatile and extreme, risks introduced by weather variability will become more critical to agricultural production. The availability of days suitable for field work is driven by soil temperature and moisture, both of which may be altered by climate change. We projected changes in Illinois season length, spring field workability, and summer drought risk under three different emissions scenarios (B1, A1B, and A2) down to the crop district scale. Across all scenarios, thermal time units increased in parallel with a longer frost-free season...
2017: PloS One
https://www.readbyqxmd.com/read/28231063/bone-age-in-unilateral-spastic-cerebral-palsy-is-there-a-correlation-with-hand-function-and-limb-length
#10
Je-Sang Lee, Im Jeong Choi, Myung Jun Shin, Jin-A Yoon, Sung Hwa Ko, Yong Beom Shin
BACKGROUND: The purpose of this study was to analyze the bone age and the upper extremity segmental lengths between the affected and the unaffected side and to reveal the correlation between the difference of bone age and the upper limb length discrepancy in the unilateral spastic cerebral palsy (CP). We also evaluated the relationship between difference of bone age and hand function. METHODS: Seventy-eight patients participated in this study. The bone ages of hand-wrists of the patients were determined by the Greulich and Pyle atlas...
February 23, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28231047/original-research-paper-characterization-and-taste-masking-evaluation-of-microparticles-with-cetirizine-dihydrochloride-and-methacrylate-based-copolymer-obtained-by-spray-drying
#11
Aleksandra Amelian, Marta Szekalska, Patrycja Ciosek, Anna Basa, Katarzyna Winnicka
Taste of a pharmaceutical formulation is an important parameter for the effectiveness of pharmacotherapy. Cetirizine dihydrochloride (CET) is a second-generation antihistamine that is commonly administered in allergy treatment. CET is characterized by extremely bitter taste and it is a great challenge to successfully mask its taste; therefore the goal of this work was to formulate and characterize the microparticles obtained by the spray drying method with CET and poly(butyl methacrylate-co-(2-dimethylaminoethyl) methacrylate-co-methyl methacrylate 1:2:1 copolymer (Eudragit E PO) as a barrier coating...
March 1, 2017: Acta Pharmaceutica
https://www.readbyqxmd.com/read/28231012/quantum-percolation-and-magnetic-nano-droplet-states-in-electronically-phase-separated-manganite-nanowires
#12
Kaixuan Zhang, Lin Li, Hui Li, Qiyuan Feng, Nan Zhang, Long Cheng, Xiaodong Fan, Yubin Hou, Qingyou Lu, Zhenyu Zhang, Changgan Zeng
One-dimensional (1D) confinement has been revealed to effectively tune the properties of materials in homogeneous states. The 1D physics can be further enriched by electronic inhomogeneity, which unfortunately remains largely unknown. Here we demonstrate the ultra-high sensitivity to magnetic fluctuations and the tunability of phase stability in the electronic transport properties of self-assembled electronically phase-separated manganite nanowires with extreme aspect ratio. The onset of magnetic nano-droplet state, a precursor to the ferromagnetic metallic state, is unambiguously revealed, which is attributed to the small lateral size of the nanowires that is comparable to the droplet size...
February 23, 2017: Nano Letters
https://www.readbyqxmd.com/read/28230906/evaluation-of-skin-surface-as-an-alternative-source-of-reference-dna-samples-a-pilot-study
#13
Mohammed H Albujja, Abdul Aziz Bin Dukhyil, Abdul Rauf Chaudhary, Ahmed Ch Kassab, Ahmed M Refaat, Saranya Ramesh Babu, Mohammad K Okla, Sachil Kumar
An acceptable area for collecting DNA reference sample is a part of the forensic DNA analysis development. The aim of this study was to evaluate skin surface cells (SSC) as an alternate source of reference DNA sample. From each volunteer (n = 10), six samples from skin surface areas (forearm and fingertips) and two traditional samples (blood and buccal cells) were collected. Genomic DNA was extracted and quantified then genotyped using standard techniques. The highest DNA concentration of SSC samples was collected using the tape/forearm method of collection (2...
February 23, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28230807/effect-of-reduction-of-redox-modifications-of-cys-residues-in-the-na-k-atpase-%C3%AE-1-subunit-on-its-activity
#14
Elena A Dergousova, Irina Yu Petrushanko, Elizaveta A Klimanova, Vladimir A Mitkevich, Rustam H Ziganshin, Olga D Lopina, Alexander A Makarov
Sodium-potassium adenosine triphosphatase (Na,K-ATPase) creates a gradient of sodium and potassium ions necessary for the viability of animal cells, and it is extremely sensitive to intracellular redox status. Earlier we found that regulatory glutathionylation determines Na,K-ATPase redox sensitivity but the role of basal glutathionylation and other redox modifications of cysteine residues is not clear. The purpose of this study was to detect oxidized, nitrosylated, or glutathionylated cysteine residues in Na,K-ATPase, evaluate the possibility of removing these modifications and assess their influence on the enzyme activity...
February 21, 2017: Biomolecules
https://www.readbyqxmd.com/read/28230652/a-case-of-postmortem-canine-depredation
#15
Dennis J Chute, Robert J Bready
We report the case of postmortem animal depredation that produced initial confusion for investigators who responded to the scene. A decomposing elderly woman was found in her presumed home with bilateral upper extremity amputations and craniocerebral trauma. This raised suspicion of foul play. Subsequent investigations together with autopsy led the medical examiner to conclude that the cause of death was natural disease and that those injuries found on her body were produced by at least one of the dogs who shared the premises...
February 23, 2017: American Journal of Forensic Medicine and Pathology
https://www.readbyqxmd.com/read/28230643/mtor-inhibition-clinical-transplantation-pancreas-islet
#16
Thierry Berney, Axel Andres, Christian Toso, Pietro Majno, Jean-Paul Squifflet
This brief overview discusses the beneficial and deleterious effects of mTOR inhibitors on beta-cells, and how sirolimus- and everolimus-based immunosuppression have impacted on practices and outcomes of pancreas and islet transplantation. Sirolimus was the cornerstone of immunosuppressive regimens in islet transplantation at the turn of the millenium, but utilization of mTOR inhibitors has progressively decreased from >80% to <50% of islet transplant recipients in more recent years. For whole pancreas transplantation, mTOR inhibitors were used in approximately 20% of patients in the early 2000s, but this dropped over the years to <10% currently...
February 23, 2017: Transplantation
https://www.readbyqxmd.com/read/28230642/strategies-to-obtain-diverse-and-specific-human-monoclonal-antibodies-from-transgenic-animals
#17
Marianne Brüggemann, Michael J Osborn, Biao Ma, Roland Buelow
Techniques to obtain large quantities of antigen-specific monoclonal antibodies, mAbs, were first established in the 1970s when Georges Köhler and César Milstein immortalized antibody-producing mouse B-lymphocytes by fusion with myeloma cells (http://www.whatisbiotechnology.org/exhibitions/milstein). Combined with the expression of human antibodies in transgenic animals, this technique allowed upon immunization the generation of highly specific fully human mAbs for therapeutic applications. Apart from being extremely beneficial, mAbs are a huge success commercially...
February 23, 2017: Transplantation
https://www.readbyqxmd.com/read/28230629/point-of-injury-tourniquet-application-during-operation-protective-edge-what-de-we-learn
#18
Amir Shlaifer, Avraham Yitzhak, Erez N Baruch, Avi Shina, Alexandra Satanovsky, Amiram Shovali, Ofer Almog, Elon Glassberg
BACKGROUND: Hemorrhage is a leading cause of preventable death on the battlefield. Timely tourniquet application to massively bleeding extremity wounds is critical for casualty survival albeit with reported adverse effects to extremity integrity. The aim of this study was to describe the immediate and short term outcomes of point of injury (POI) tourniquet applications during 'Operation Protective Edge' (OPE). METHODS: A case series study regarding tourniquet application at the POI during OPE was collected...
February 23, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28230529/single-molecule-fret-unveils-induced-fit-mechanism-for-substrate-selectivity-in-flap-endonuclease-1
#19
Fahad Rashid, Paul D Harris, Manal S Zaher, Mohamed A Sobhy, Luay I Joudeh, Chunli Yan, Hubert Piwonski, Susan E Tsutakawa, Ivaylo Ivanov, John A Tainer, Satoshi Habuchi, Samir M Hamdan
Human flap endonuclease 1 (FEN1) and related structure-specific 5'nucleases precisely identify and incise aberrant DNA structures during replication, repair and recombination to avoid genomic instability. Yet, it is unclear how the 5'nuclease mechanisms of DNA distortion and protein ordering robustly mediate efficient and accurate substrate recognition and catalytic selectivity. Here, single-molecule sub-millisecond and millisecond analyses of FEN1 reveal a protein-DNA induced-fit mechanism that efficiently verifies substrate and suppresses off-target cleavage...
February 23, 2017: ELife
https://www.readbyqxmd.com/read/28230320/probability-of-success-for-phase-iii-after-exploratory-biomarker-analysis-in-phase-ii
#20
Heiko Götte, Marietta Kirchner, Martin Oliver Sailer
The probability of success or average power describes the potential of a future trial by weighting the power with a probability distribution of the treatment effect. The treatment effect estimate from a previous trial can be used to define such a distribution. During the development of targeted therapies, it is common practice to look for predictive biomarkers. The consequence is that the trial population for phase III is often selected on the basis of the most extreme result from phase II biomarker subgroup analyses...
February 23, 2017: Pharmaceutical Statistics
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