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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
#1
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/29786571/-the-disorders-of-the-musculoskeletal-system-in-patients-hospitalized-in-the-geriatric-ward
#2
Maria Matla, Jakub Rajtar-Zembaty, Waldemar Zawada
OBJECTIVE: Introduction: In recent years the interest in the quality of life in old age has been rising, which no doubt is closely linked with the growing population of elderly people. The problems associated with declined functionality of the locomotor system, which naturally occur with age, contribute to increasing morbidity in elderly patients. It is known that lack of exercise can lead to increased aging and disability. Applying the Senior Fitness Test (SFT) allows to explore and assess the patient's mobility...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29783896/projections-of-hip-arthroplasty-in-oecd-countries-up-to-2050
#3
Christof Pabinger, Harold Lothaller, Nicole Portner, Alexander Geissler
OBJECTIVE: The study aims to estimate the future demand of hip arthroplasty for OECD countries and to compare the results with earlier studies. DESIGN: Based on data availability and validity 20 countries out of the OECD sample have been selected for projection analysis. Using historic data (1995-2012) and multiple linear regression technics a projection model was designed by an iterative process considering different explanatory variables such as health care expenditure, age groups, and projection time frames...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/29782390/suspecting-hyperferritinemic-sepsis-in-iron-deficient-population-do-we-need-a-lower-plasma-ferritin-threshold
#4
Swarup Ghosh, Arun K Baranwal, Prateek Bhatia, Karthi Nallasamy
OBJECTIVES: Hyperferritinemia is being suggested to identify patients with sepsis-induced macrophage activation syndrome for early intervention. However, data among iron-deficient children are scarce. This study was planned to explore the biological behavior of plasma ferritin in children from communities with a high frequency of iron deficiency with septic shock and its association with the outcome. DESIGN: Prospective observational study. SETTING: Tertiary care teaching hospital in a low-middle income economy of South Asia...
May 18, 2018: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29781622/flow-regimes-and-transition-criteria-during-passage-of-bubbles-through-a-liquid-liquid-interface
#5
Travis S Emery, Pruthvik A Raghupathi, Satish G Kandlikar
The passage of a single bubble or a stream of bubbles through a liquid-liquid interface is a highly dynamic process that can result in a number of different outcomes. Previous studies focused primarily on a single bubble and single flow regime, and very few investigations have considered bubble streams. In the present work, six different liquid combinations made up of water, ethanol, a perfluorocarbon liquid, PP1, and one of three different viscosity silicone oils are tested with air bubbles from 2-6 mm in diameter rising between 5-55 cm/s...
May 21, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29780492/developing-the-structure-property-relationship-to-design-solid-state-multi-stimuli-responsive-materials-and-their-potential-applications-in-different-fields
#6
Bibhisan Roy, Mallu Chenna Reddy, Partha Hazra
Prediction of multi-stimuli responsive behavior in newly developed luminogens is an appealing yet challenging puzzle, since no concrete design strategy has been developed so far. In this article, we demonstrate a potent strategy to gain a deep understanding of the structure-property relationship to design multi-stimuli responsive mechanochromic materials. To achieve our goal, a variety of new isoindolinone core based charge transfer luminogens exhibiting aggregation-induced emission (AIE) have been prepared through C-H bond activation using a cost-effective ruthenium (Ru) metal catalyzed one-pot synthetic strategy...
April 14, 2018: Chemical Science
https://www.readbyqxmd.com/read/29780322/efficacy-and-safety-of-teneligliptin-in-patients-with-type-2-diabetes-mellitus-a-systematic-review-and-meta-analysis-of-randomized-controlled-trials
#7
REVIEW
Xiaoxuan Li, Xuefei Huang, Chongfei Bai, Dalian Qin, Shousong Cao, Qibing Mei, Yun Ye, Jianming Wu
Background: Teneligliptin is a 3rd-generation dipeptidyl peptidase-4 (DPP-4) inhibitor. There is a limited evidence regarding the effect of teneligliptin. Therefore, this study is to assess the efficacy and safety of teneligliptin in type 2 diabetes mellitus (T2DM) patients with inadequately glycemic controlled. Methods: A search of PubMed, Medline, Embase, and The Cochrane Library during 2000.01-2018.03 was performed for randomized controlled trials of teneligliptin compared to placebo in patients with T2DM with monotherapy or add-on treatment...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29778821/evaluating-mastectomy-skin-flap-necrosis-in-the-extended-breast-reconstruction-risk-assessment-score-for-one-year-prediction-of-prosthetic-reconstruction-outcomes
#8
Nora Hansen, Sasa Espino, Jordan T Blough, Michael M Vu, Neil A Fine, John Ys Kim
BACKGROUND: Rates of mastectomy for breast cancer treatment and immediate reconstruction continue to rise. With increasing scrutiny on outcomes and patient satisfaction, there is an impetus for providers to be more deliberate in deciding appropriate patient selection for breast reconstruction. The Breast Reconstruction Risk Assessment (BRA) Score was developed for prediction of complications after primary prosthetic breast reconstruction, focusing on calculating risk estimations for a variety of complications based on individual patient demographics and perioperative characteristics...
May 17, 2018: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/29778230/etv6-runx1-positive-childhood-acute-lymphoblastic-leukemia-all-the-spectrum-of-clonal-heterogeneity-and-its-impact-on-prognosis
#9
Μ Αmpatzidou, S I Papadhimitriou, G Paterakis, D Pavlidis, Κ Tsitsikas, I V Kostopoulos, V Papadakis, G Vassilopoulos, S Polychronopoulou
The prognostic significance of the ETV6/RUNX1-fusion and of the accompanying aberrations is disputable; whether co-existing sub-clones are responsible for delayed MRD-clearance and thus, moderate outcome, remains to be clarified. We studied, in a paediatric cohort of 119 B-ALLs, the relation between the ETV6/RUNX1 aberration and the co-existing subclones with (a) presenting clinical/biological features, (b) early response to treatment(MRD) and (c) long-term outcome over a 12-year period. Patients were homogeneously treated according to BFM-based-protocols...
August 2018: Cancer Genetics
https://www.readbyqxmd.com/read/29776593/heat-shock-influences-the-fatty-acid-composition-of-the-muscle-of-the-antarctic-fish-trematomus-bernacchii
#10
C Truzzi, S Illuminati, M Antonucci, G Scarponi, A Annibaldi
In the Ross Sea region (average temperature of -1.87 °C), shelf water warming up to +0.8-+1.4 °C is predicted by 2200, so there is an urgent need to understand how organisms can respond to rising temperatures. In this study, we analyzed the effect of a heat shock on the fatty acid (FAs) composition of muscle of the Antarctic teleost Trematomus bernacchii, caught in Terra Nova Bay (Ross Sea), and held in fish tanks at 0, +1 or +2 °C, for 1, 5 and 10 days. In general, heat shock produced, beyond a reduction in total lipid content correlated to the temperature, an increase in the percentage of saturated FAs, and a decrease in mono-unsaturated FAs; however, the level of poly-unsaturated FAs did not seem to directly correlate with temperature...
April 3, 2018: Marine Environmental Research
https://www.readbyqxmd.com/read/29776410/use-of-a-counsellor-supported-disclosure-model-to-improve-the-uptake-of-couple-hiv-testing-and-counselling-in-kenya-a-quasi-experimental-study
#11
Margaret Kababu, Eric Sakwa, Robinson Karuga, Annrita Ikahu, Inviolata Njeri, Jordan Kyongo, Catherine Khamali, Wanjiru Mukoma
BACKGROUND: Heterosexual couples account for 44% of new HIV infections in Kenya and there's low awareness of self and partner HIV status. Different strategies have been employed to promote couple HIV testing and counselling (CHTC). Despite this, HIV incidence among couples continues to rise. This study sought to assess the use of a counsellor-supported disclosure (CSD) model in enhancing the uptake of CHTC and the factors that were associated with it. METHODS: A pre-post quasi experimental study design with an intervention and a comparison arm was utilized...
May 18, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29775859/facilitating-complex-dna-mixture-interpretation-by-sequencing-highly-polymorphic-haplotypes
#12
Lev Voskoboinik, Uzi Motro, Ariel Darvasi
Interpretation of complex DNA mixtures is an ongoing challenge in the field of forensic genetics. Commonly used STR markers are quite polymorphic, enabling very high statistical association between a single source DNA profile from a crime scene and a matching suspect. STR typing of low order mixtures with two and three contributors also commonly produces high statistical association for a contributor, using current interpretation software. However higher order mixtures, with four contributors or more, are more challenging...
May 2, 2018: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/29773888/antitumor-effect-of-axitinib-combined-with-dopamine-and-pk-pd-modeling-in-the-treatment-of-human-breast-cancer-xenograft
#13
Yuan-Heng Ma, Si-Yuan Wang, Yu-Peng Ren, Jian Li, Ting-Jie Guo, Wei Lu, Tian-Yan Zhou
Rising evidence has shown the development of resistance to vascular endothelial growth factor receptor (VEGFR) inhibitors in the practices of cancer therapy. It is reported that the efficacy of axitinib (AX), a VEGFR inhibitor, is limited in the treatment of breast cancer as a single agent or in combination with other chemotherapeutic drugs due to the probability of rising population of cancer stem-like cells (CSCs) caused by AX. The present study evaluated the effect of dopamine (DA) improving AX's efficacy on MCF-7/ADR breast cancer in vitro and in vivo, and developed a pharmacokinetic-pharmacodynamic (PK-PD) model describing the in vivo experimental data and characterizing the interaction of effect between AX and DA...
May 17, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29772289/nose-to-brain-drug-delivery-an-update-on-clinical-challenges-and-progress-towards-approval-of-anti-alzheimer-drugs
#14
REVIEW
Mukta Agrawal, Swarnlata Saraf, Shailendra Saraf, Sophia G Antimisiaris, Mahavir Chougule, Sunday A Shoyele, Amit Alexander
According to the Alzheimer Association Report (2017), Alzheimer's disease (AD) is the 6th primary cause of death in the USA, which affects nearly 5.5 million people. In the year 2017 itself, the cost of AD treatment in the USA has been reported to rise to $259 billion. This statistic shows the severity of the disease in the USA which is very much similar across the globe. On the other hand, the treatment remains limited to a few conventional oral medications (approved by FDA). These are mainly acting superficially from mild to the moderate AD...
May 14, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29771569/prestige-in-a-large-scale-social-group-predicts-longitudinal-changes-in-testosterone
#15
Joey T Cheng, Olga Kornienko, Douglas A Granger
In many social species, organisms adaptively fine-tune their competitive behavior in response to previous experiences of social status: Individuals who have prevailed in the past preferentially compete in the future, whereas those who have suffered defeat tend to defer and submit. A growing body of evidence suggests that testosterone functions as a "competition hormone" that coordinates this behavioral plasticity through its characteristic rise and fall following victory and defeat. Although well demonstrated in competitions underpinned by dominance (fear-based status derived from force and intimidation), this pattern has not been examined in status contests that depend solely on prestige-respect-based status derived from success, skills, and knowledge in locally valued domains, devoid of fear or antagonism...
June 2018: Journal of Personality and Social Psychology
https://www.readbyqxmd.com/read/29770760/adherence-to-the-new-nordic-diet-during-pregnancy-and-subsequent-maternal-weight-development-a-study-conducted-in-the-norwegian-mother-and-child-cohort-study-moba
#16
Marianne Skreden, Elisabet R Hillesund, Andrew K Wills, Anne Lise Brantsæter, Elling Bere, Nina C Øverby
The rising prevalence of overweight and obesity is a worldwide public health challenge. Pregnancy and beyond is a potentially important window for future weight gain in women. We investigated associations between maternal adherence to the New Nordic diet (NND) during pregnancy and maternal BMI trajectories from delivery to 8 years post delivery. Data are from the Norwegian Mother and Child Cohort. Pregnant women from all of Norway were recruited between 1999 and 2008, and 55 056 are included in the present analysis...
June 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/29770579/cholinesterase-targeting-by-polyphenols-a-therapeutic-approach-for-the-treatment-of-alzheimer-s-disease
#17
REVIEW
Nasimudeen R Jabir, Fayaz Rahman Khan, Shams Tabrez
Alzheimer's disease (AD) is a progressive irreversible neurodegenerative disorder characterized by excessive deposition of β-amyloid (Aβ) oligomers, and neurofibrillary tangles (NFTs), comprising of hyperphosphorylated tau proteins. The cholinergic system has been suggested as the earliest and most affected molecular mechanism that describes AD pathophysiology. Moreover, cholinesterase inhibitors (ChEIs) are the potential class of drugs that can amplify cholinergic activity to improve cognition and global performance and reduce psychiatric and behavioral disturbances...
May 16, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29767463/mechanical-and-biological-properties-of-a-biodegradable-mg-zn-ca-porous-alloy
#18
Yong-Qiang Zhang, Yang Li, Huan Liu, Jing Bai, Ni-Rong Bao, Yue Zhang, Peng He, Jian-Ning Zhao, Li Tao, Feng Xue, Guang-Xin Zhou, Gen-Tao Fan
OBJECTIVES: As promising alternative to current metallic biomaterials, the porous Mg scaffold with a 3-D open-pore framework has drawn much attention in recent years due to its suitable biodegradation, biocompatibility, and mechanical properties for human bones. This experiment's aim is to study the mechanical properties, biosafety, and osteogenesis of porous Mg-Zn alloy. METHODS: A porous Mg-2Zn-0.3Ca (wt%) alloy was successfully prepared by infiltration casting, and the size of NaCl particles was detected by a laser particle size analyzer...
May 16, 2018: Orthopaedic Surgery
https://www.readbyqxmd.com/read/29766808/a-review-on-plant-antimicrobials-of-past-decade
#19
Preet Amol Singh, Sapna D Desai, Jasbir Singh
As per WHO reports, about three-quarters (65-80%) of the world's population seeks plants or plant-derived natural products for various diseases. The slow discovery of new synthetic molecules and rising resistance in microbes against existing ones has triggered an alarm for speeding up the development process for new molecules. Traditional system(s) of medicine and plant resources has been foresighted again by researchers to circumvent the situation. This review represents various plant genera which, either as a whole plant or their parts, have been reported possessing antimicrobial properties during the last decade...
May 16, 2018: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29766366/consensus-statement-on-the-definition-of-neurogenic-supine-hypertension-in-cardiovascular-autonomic-failure-by-the-american-autonomic-society-aas-and-the-european-federation-of-autonomic-societies-efas-endorsed-by-the-european-academy-of-neurology-ean-and-the
#20
REVIEW
Alessandra Fanciulli, Jens Jordan, Italo Biaggioni, Giovanna Calandra-Buonaura, William P Cheshire, Pietro Cortelli, Sabine Eschlboeck, Guido Grassi, Max J Hilz, Horacio Kaufmann, Heinz Lahrmann, Giuseppe Mancia, Gert Mayer, Lucy Norcliffe-Kaufmann, Anne Pavy-Le Traon, Satish R Raj, David Robertson, Isabel Rocha, Walter Struhal, Roland Thijs, Konstantinos P Tsioufis, J Gert van Dijk, Gregor K Wenning
PURPOSE: Patients suffering from cardiovascular autonomic failure often develop neurogenic supine hypertension (nSH), i.e., high blood pressure (BP) in the supine position, which falls in the upright position owing to impaired autonomic regulation. A committee was formed to reach consensus among experts on the definition and diagnosis of nSH in the context of cardiovascular autonomic failure. METHODS: As a first and preparatory step, a systematic search of PubMed-indexed literature on nSH up to January 2017 was performed...
May 15, 2018: Clinical Autonomic Research: Official Journal of the Clinical Autonomic Research Society
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