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https://www.readbyqxmd.com/read/29786943/integrating-a-comprehensive-dna-barcode-reference-library-with-a-global-map-of-yews-taxus-l-for-forensic-identification
#1
Jie Liu, Richard I Milne, Michael Möller, Guang-Fu Zhu, Lin-Jiang Ye, Ya-Huang Luo, Jun-Bo Yang, Moses Cheloti Wambulwa, Chun-Neng Wang, De-Zhu Li, Lian-Ming Gao
Rapid and accurate identification of endangered species is a critical component of bio-surveillance and conservation management, and potentially policing illegal trades. However, this is often not possible using traditional taxonomy, especially where only small or pre-processed parts of plants are available. Reliable identification can be achieved via a comprehensive DNA barcode reference library, accompanied by precise distribution data. However, these require extensive sampling at spatial and taxonomic scales, which has rarely been achieved for cosmopolitan taxa...
May 22, 2018: Molecular Ecology Resources
https://www.readbyqxmd.com/read/29786897/targeted-next-generation-sequencing-for-the-diagnosis-of-patients-with-rare-congenital-anemias
#2
Noa Shefer Averbuch, Orna Steinberg-Shemer, Orly Dgany, Tanya Krasnov, Sharon Noy-Lotan, Joanne Yacobovich, Amir A Kuperman, Antonis Kattamis, Ayelet Ben Barak, Batia Roth-Jelinek, Evgeni Chubar, Evelyn Shabad, Gustavo Dufort, Martin Ellis, Ofir Wolach, Idit Pazgal, Abed Abu Quider, Hagit Miskin, Hannah Tamary
BACKGROUND: Most patients with anemia are diagnosed through clinical phenotype and basic laboratory testing. Nonetheless, in cases of rare congenital anemias, some patients remain undiagnosed despite undergoing an exhaustive workup. Genetic testing is complicated by the large number of genes involved in rare anemias and the similarities in the clinical presentation of the different syndromes. OBJECTIVE: We aimed to enhance the diagnosis of patients with congenital anemias by using targeted next-generation sequencing...
May 22, 2018: European Journal of Haematology
https://www.readbyqxmd.com/read/29786882/feasibility-of-assessing-prognostic-nutrition-index-in-patients-with-rectal-cancer-who-receive-preoperative-chemoradiotherapy
#3
Yoshinaga Okugawa, Yuji Toiyama, Satoshi Oki, Shozo Ide, Akira Yamamoto, Takashi Ichikawa, Takahito Kitajima, Hiroyuki Fujikawa, Hiromi Yasuda, Susumu Saigusa, Junichiro Hiro, Shigeyuki Yoshiyama, Minako Kobayashi, Toshimitsu Araki, Masato Kusunoki
BACKGROUND: Malnutrition can adversely affect treatment responses and oncological outcomes in cancer patients. However, among patients with rectal cancer who undergo chemoradiotherapy (CRT), the significance of peri-treatment nutrition assessment as a predictor of treatment response and outcome remains unclear. OBJECTIVE: The aim of this study was to determine whether the Prognostic Nutrition Index (PNI) based on peri-treatment serum can be used as a predictor of treatment response and outcome in patients with rectal cancer who undergo CRT...
January 7, 2018: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29786793/a-method-for-prostate-and-breast-cancer-cell-spheroid-cultures-using-gelatin-methacryloyl-based-hydrogels
#4
Christoph Meinert, Christina Theodoropoulos, Travis J Klein, Dietmar W Hutmacher, Daniela Loessner
Modern tissue engineering technologies have delivered tools to recreate a cell's naturally occurring niche in vitro and to investigate normal and pathological cell-cell and cell-niche interactions. Hydrogel biomaterials mimic crucial properties of native extracellular matrices, including mechanical support, cell adhesion sites and proteolytic degradability. As such, they are applied as 3D cell culture platforms to replicate tissue-like architectures observed in vivo, allowing physiologically relevant cell behaviors...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29786777/the-biomechanics-of-the-inter-lamellar-matrix-and-the-lamellae-during-progression-to-lumbar-disc-herniation-which-is-the-weakest-structure
#5
Javad Tavakoli, Dhara B Amin, Brian J C Freeman, John J Costi
While microstructural observations have improved our understanding of possible pathways of herniation progression, no studies have measured the mechanical failure properties of the inter-lamellar matrix (ILM), nor of the adjacent lamellae during progression to herniation. The aim of this study was to employ multiscale, biomechanical and microstructural techniques to evaluate the effects of progressive induced herniation on the ILM and lamellae in control, pre-herniated and herniated discs (N = 7), using 2 year-old ovine spines...
May 21, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29786756/backbone-nmr-assignments-of-hypf-n-under-conditions-generating-toxic-and-non-toxic-oligomers
#6
Jayneil R Patel, Yingqi Xu, Claudia Capitini, Fabrizio Chiti, Alfonso De Simone
The HypF protein is involved in the maturation and regulation of hydrogenases. The N-terminal domain of HypF (HypF-N) has served as a key model system to study the pathways of protein amyloid formation and the nature of the toxicity of pre-fibrilar protein oligomers. This domain can aggregate into two forms of oligomers having significantly different toxic effects when added to neuronal cultures. Here, NMR assignments of HypF-N backbone resonances are presented in its native state and under the conditions favouring the formation of toxic and non-toxic oligomers...
May 21, 2018: Biomolecular NMR Assignments
https://www.readbyqxmd.com/read/29786656/temperature-effects-on-force-and-actin%C3%A2-myosin-interaction-in-muscle-a-look-back-on-some-experimental-findings
#7
REVIEW
K W Ranatunga
Observations made in temperature studies on mammalian muscle during force development, shortening, and lengthening, are re-examined. The isometric force in active muscle goes up substantially on warming from less than 10 °C to temperatures closer to physiological (>30 °C), and the sigmoidal temperature dependence of this force has a half-maximum at ~10 °C. During steady shortening, when force is decreased to a steady level, the sigmoidal curve is more pronounced and shifted to higher temperatures, whereas, in lengthening muscle, the curve is shifted to lower temperatures, and there is a less marked increase with temperature...
May 22, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29786638/impact-of-appointment-based-medication-synchronization-on-proportion-of-days-covered-for-chronic-medications
#8
Nancy Dao, Sun Lee, Micah Hata, Lord Sarino
Appointment-based medication synchronization (ABMS) programs have been associated with increased adherence and persistence to chronic medications. Adherence to statin therapy, angiotensin-converting enzyme inhibitors (ACEIs), angiotensin receptor blockers (ARBs), and non-insulin antidiabetic medications (NIDM) are used to determine a health plan's Centers for Medicare and Medicaid Services (CMS) Star Rating under a pay-for-performance model. The objective of this study was to evaluate the impact of implementing an ABMS program on overall pharmacy adherence measures for statins, ACEI/ARBs, and NIDM, as presented through the Electronic Quality Improvement Platform for Plans and Pharmacies (EQuIPP©) platform...
May 22, 2018: Pharmacy (Basel, Switzerland)
https://www.readbyqxmd.com/read/29786622/quantitative-analysis-of-proximal-and-distal-kinetic-chain-musculature-during-dynamic-exercises
#9
Gretchen D Oliver, Jessica K Washington, Jeff W Barfield, Sarah S Gascon, Gabrielle Gilmer
Oliver, GD, Washington, JK, Barfield, JW, Gascon, SS, and Gilmer, G. Quantitative analysis of proximal and distal kinetic chain musculature during dynamic exercises. J Strength Cond Res 32(6): 1545-1553, 2018-Proximal to distal sequencing for the dynamic movement of throwing is dependent on the movement and stability of the lumbopelvic-hip complex (LPHC) and scapula. Although the need for proximal stability for distal mobility has been vastly documented, pre-throwing programs tend to focus on the traditional rotator cuff activation exercises before long toss...
June 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29786611/increased-accuracy-of-planning-tools-for-optimization-of-dynamic-multileaf-collimator-delivery-of-radiotherapy-through-reformulated-objective-functions
#10
Lovisa Engberg, Kjell Eriksson, Anders Forsgren
The purpose of this study is to examine in a clinical setting a novel formulation of objective functions for intensity-modulated radiotherapy (IMRT) treatment plan multicriteria optimization (MCO) that we suggested in a recent study. The proposed objective functions are extended with dynamic multileaf collimator (DMLC) delivery constraints from the literature, and a tailored interior point method is described to efficiently solve the resulting optimization formulation. In a numerical planning study involving three patient cases, DMLC plans Pareto optimal to the MCO formulation with the proposed objective functions are generated...
May 22, 2018: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29786607/pre-set-extrusion-bioprinting-for-multiscale-heterogeneous-tissue-structure-fabrication
#11
Donggu Kang, Geunseon Ahn, Donghwan Kim, Hyun-Wook Kang, Seokhwan Yun, Won-Soo Yun, Jin-Hyung Shim, Songwan Jin
Recent advances in three-dimensional (3D) bioprinting technology have led to various attempts in fabricating human tissue-like structures. However, current bioprinting technologies have limitations for creating native tissue-like structures. To resolve these issues, we developed a new pre-set extrusion bioprinting technique that can create heterogeneous, multicellular, and multimaterial structures simultaneously. The key to this ability lies in the use of a precursor cartridge that can stably preserve a multimaterial with a pre-defined configuration that can be simply embedded in a syringe-based printer head...
May 22, 2018: Biofabrication
https://www.readbyqxmd.com/read/29786470/direct-cortical-stimulation-of-inferior-frontal-cortex-disrupts-both-speech-and-music-production-in-highly-trained-musicians
#12
Matthew K Leonard, Maansi Desai, Dylan Hungate, Ruofan Cai, Nilika S Singhal, Robert C Knowlton, Edward F Chang
Music and speech are human-specific behaviours that share numerous properties, including the fine motor skills required to produce them. Given these similarities, previous work has suggested that music and speech may at least partially share neural substrates. To date, much of this work has focused on perception, and has not investigated the neural basis of production, particularly in trained musicians. Here, we report two rare cases of musicians undergoing neurosurgical procedures, where it was possible to directly stimulate the left hemisphere cortex during speech and piano/guitar music production tasks...
May 22, 2018: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/29786469/estimation-versus-falsification-approaches-in-sport-and-exercise-science
#13
Michael Wilkinson, Edward M Winter
There has been a recent resurgence in debate about methods for statistical inference in science. The debate addresses statistical concepts and their impact on the value and meaning of analyses' outcomes. In contrast, philosophical underpinnings of approaches and the extent to which analytical tools match philosophical goals of the scientific method have received less attention. This short piece considers application of the scientific method to "what-is-the-influence-of x-on-y" type questions characteristic of sport and exercise science...
May 22, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29786154/topical-polyhydroxy-acid-treatment-for-autosomal-recessive-congenital-ichthyosis-in-the-golden-retriever-a-prospective-pilot-study
#14
Anna Puigdemont, Nicla Furiani, Michela De Lucia, Isaac Carrasco, Laura Ordeix, Dolors Fondevila, Laura Ramió-Lluch, Pilar Brazis
BACKGROUND: Autosomal recessive congenital ichthyosis (ARCI) in golden retrievers is due to a PNPLA1 gene mutation, which plays a role in epidermal lipid organization and metabolism. Topical therapies are used to reduce scaling; however, there are few published efficacy studies. OBJECTIVES: To examine the efficacy of topical treatment based on gluconolactone, a polyhydroxy acid with known beneficial effects on stratum corneum structure. ANIMALS: Sixteen golden retriever dogs with clinical signs of ARCI and PCR-confirmed PNPLA1 gene mutation...
May 22, 2018: Veterinary Dermatology
https://www.readbyqxmd.com/read/29786124/evaluation-of-the-relationship-between-flap-tension-and-tissue-perfusion-in-implant-based-breast-reconstruction-using-laser-assisted-indocyanine-green-angiography
#15
Chae-Eun Yang, Soon Won Chung, Dong Won Lee, Dae Hyun Lew, Seung Yong Song
BACKGROUND: For implant-based breast reconstruction, inadequate tissue perfusion may cause devastating complications. Tissue tension by inadequate implant volume may reduce tissue perfusion by stretching and collapsing the capillaries. The SPY system is used to perform intraoperative fluorescence angiography with indocyanine green to assess visually the blood flow and evaluate tissue perfusion. However, there is no report yet about how mastectomy flap perfusion changes with the expander-filling volume...
May 21, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29786116/is-childbirth-induced-ptsd-associated-with-low-maternal-attachment
#16
Sharon Dekel, Freya Thiel, Gabriella Dishy, Alyssa L Ashenfarb
Few studies examined maternal attachment in childbirth-related postpartum posttraumatic stress disorder (PP-PTSD). We studied 685 postpartum women, assessing for PP-PTSD, non-childbirth PTSD, maternal attachment, pre-birth, birth, and post-birth factors. Attachment was lower in PP-PTSD than in non-childbirth PTSD and no PP-PTSD. Hierarchical regression showed that PP-PTSD predicted less maternal attachment above and beyond pre-birth psychiatric conditions, acute distress in birth, and lack of breastfeeding...
May 21, 2018: Archives of Women's Mental Health
https://www.readbyqxmd.com/read/29786074/constitutive-interferon-signaling-maintains-critical-threshold-of-mlkl-expression-to-license-necroptosis
#17
Joseph Sarhan, Beiyun C Liu, Hayley I Muendlein, Chi G Weindel, Irina Smirnova, Amy Y Tang, Vladimir Ilyukha, Maxim Sorokin, Anton Buzdin, Katherine A Fitzgerald, Alexander Poltorak
Interferons (IFNs) are critical determinants in immune-competence and autoimmunity, and are endogenously regulated by a low-level constitutive feedback loop. However, little is known about the functions and origins of constitutive IFN. Recently, lipopolysaccharide (LPS)-induced IFN was implicated as a driver of necroptosis, a necrotic form of cell death downstream of receptor-interacting protein (RIP) kinase activation and executed by mixed lineage kinase like-domain (MLKL) protein. We found that the pre-established IFN status of the cell, instead of LPS-induced IFN, is critical for the early initiation of necroptosis in macrophages...
May 21, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29786023/near-peer-assisted-learning-to-improve-confidence-for-medical-students-situational-judgment-tests
#18
Naomi Gostelow, Germander Soothill, Seema Vawda, David Annan
Background: The situational judgment test (SJT) was introduced for all graduating United Kingdom medical students in 2013. Students have anxiety over time pressures and heavy weighting of a single examination. Aims: This study aimed to examine formal SJT preparation available, perceptions of a near peer-delivered course, and to measure improvement in students' confidence. Innovation: Foundation doctors ( first 2 years of postgraduate training) produced a "Situational Judgment Test Preparation Course" in November 2015...
September 2017: Education for Health: Change in Training & Practice
https://www.readbyqxmd.com/read/29785996/phacoemulsification-with-single-pass-four-throw-pupilloplasty-and-pre-descemet-s-endothelial-keratoplasty-for-management-of-cosmetic-iris-implant-complication
#19
Priya Narang, Keiki Mehta, Amar Agarwal
Placement of an anterior chamber iris implant for cosmetic reasons has been associated with development of various complications. Even after the implant has been explanted from the eye, it leaves a trail of after effects that necessitate surgical management. We describe a technique that comprises of performing phacoemulsification with single-pass four-throw pupilloplasty and a pre-Descemet's endothelial keratoplasty procedure for this eye with cosmetic iris implant complication.
June 2018: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29785991/all-india-ophthalmological-society-members-survey-results-cataract-surgery-antibiotic-prophylaxis-current-practice-pattern-2017
#20
Prafulla Kumar Maharana, Jay K Chhablani, Tara Prasad Das, Atul Kumar, Namrata Sharma
Purpose: The purpose of this article is to document the current practice pattern of Indian ophthalmologists for antibiotic prophylaxis in cataract surgery to prevent endophthalmitis. Methods: Fifteen structured questions were sent online to all ophthalmologists registered with the All India Ophthalmological Society. The questionnaire was divided into three main categories of prophylaxis - preoperative, intraoperative, and postoperative. A web-based anonymous survey was conducted, and a unique response link allowed completing the survey only once...
June 2018: Indian Journal of Ophthalmology
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