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https://www.readbyqxmd.com/read/29778537/a-new-indanedione-derivative-alleviates-symptoms-of-diabetes-by-modulating-rage-nf-kappab-pathway-in-db-db-mice
#1
Gulnaz Khan, Meha Fatima Aftab, Bilquees Bano, Khalid Mohammed Khan, Munazza Murtaza, Sonia Siddiqui, M Hafizur Rehman, Rizwana Sanaullah Waraich
Accumulating evidence indicates that a number of tissues are damaged due to build-up of abnormal amount of Advanced Glycation End products (AGEs) in several diseases including diabetes. Currently AGE inhibitors are scarce in clinical use indicating a need for development of new anti-AGE agents. The aim of the current study is to identify the new AGE inhibitors and to decipher their mechanism of action for alleviating symptoms of diabetes in mice. Among several derivatives, one of the derivatives of indanedione, IDD-24 demonstrated highest inhibition of AGE formation and AGE mediated reactive oxygen species production in HepG-2 and mature 3T3-L1 adipocytes...
May 17, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29777859/three-dimensional-model-of-the-female-perineum-and-pelvic-floor-muscles
#2
Géraldine Giraudet, Laurent Patrouix, Christian Fontaine, Xavier Demondion, Michel Cosson, Chrystèle Rubod
OBJECTIVE: The anatomy of the perineum and the pelvic diaphragm of woman is complex. A numerical complete three-dimensional (3D) model of every muscle of the woman pelvis doesn't exist. The pathophysiology of genital prolapse is still debated. Knowledge of anatomy is essential to better understand its mechanisms. The aim of this research was to build a complete three-dimensional model of the female perineum and pelvic floor muscles. STUDY DESIGN: To model the pelvic muscles we reconstructed them in three dimensions from tracing a magnetic resonance imaging (MRI) of a female pelvis from a cadaver...
May 16, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29767150/effect-of-storage-time-on-the-characteristics-of-corn-and-efficiency-of-its-utilization-in-broiler-chickens
#3
Dafei Yin, Jianmin Yuan, Yuming Guo, Lee I Chiba
Corn is one of the staple food and feed ingredients in China, therefore its storage is of particular importance. Corn is typically stored for 2 or more years in national barns before it is sold as a food or feed ingredient. However, the effects of stored corn in national barns on the animal performance and nutrient utilization have not been investigated thus far. This study attempted to determine the effects of storage time on the chemical and physical characteristics of corn and its nutritional value, broiler growth performance, and meat quality...
September 2017: Animal nutrition
https://www.readbyqxmd.com/read/29760671/emotion-in-stories-facial-emg-evidence-for-both-mental-simulation-and-moral-evaluation
#4
Björn 't Hart, Marijn E Struiksma, Anton van Boxtel, Jos J A van Berkum
Facial electromyography research shows that corrugator supercilii ("frowning muscle") activity tracks the emotional valence of linguistic stimuli. Grounded or embodied accounts of language processing take such activity to reflect the simulation or "reenactment" of emotion, as part of the retrieval of word meaning (e.g., of "furious") and/or of building a situation model (e.g., for "Mark is furious"). However, the same muscle also expresses our primary emotional evaluation of things we encounter...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29757529/fiber-based-scaffolding-techniques-for-tendon-tissue-engineering
#5
REVIEW
Yang Wu, Yi Han, Yoke San Wong, Jerry Ying Hsi Fuh
Tendon refers to a band of tough, regularly arranged and connective tissue connecting muscle and bone, transferring strength from muscle to bone, and enabling articular stability and movement. The limitations of natural tendon grafts motivate the scaffold-based tissue engineering (TE) approaches, which aim to build patient-specific biological substitutes that can repair the damaged or diseased tissues. Advances in engineering and knowledge of chemistry and biology have brought forth numerous fiber-based technologies, including electrospinning, electrohydrodynamic jet printing, electrochemical alignment technique and other fiber-assembly technologies, which enable the fabrication of tendon tissue structure in three-dimension...
May 14, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29753626/fgf-and-tgf%C3%AE-signaling-link-form-and-function-during-jaw-development-and-evolution
#6
Katherine C Woronowicz, Stephanie E Gline, Safa T Herfat, Aaron J Fields, Richard A Schneider
How does form arise during development and change during evolution? How does form relate to function, and what enables embryonic structures to presage their later use in adults? To address these questions, we leverage the distinct functional morphology of the jaw in duck, chick, and quail. In connection with their specialized mode of feeding, duck develop a secondary cartilage at the tendon insertion of their jaw adductor muscle on the mandible. An equivalent cartilage is absent in chick and quail. We hypothesize that species-specific jaw architecture and mechanical forces promote secondary cartilage in duck through the differential regulation of FGF and TGFβ signaling...
May 10, 2018: Developmental Biology
https://www.readbyqxmd.com/read/29743679/control-of-cardiac-jelly-dynamics-by-notch1-and-nrg1-defines-the-building-plan-for-trabeculation
#7
Gonzalo Del Monte-Nieto, Mirana Ramialison, Arne A S Adam, Bingruo Wu, Alla Aharonov, Gabriele D'Uva, Lauren M Bourke, Mara E Pitulescu, Hanying Chen, José Luis de la Pompa, Weinian Shou, Ralf H Adams, Sarah K Harten, Eldad Tzahor, Bin Zhou, Richard P Harvey
In vertebrate hearts, the ventricular trabecular myocardium develops as a sponge-like network of cardiomyocytes that is critical for contraction and conduction, ventricular septation, papillary muscle formation and wall thickening through the process of compaction 1 . Defective trabeculation leads to embryonic lethality2-4 or non-compaction cardiomyopathy (NCC) 5 . There are divergent views on when and how trabeculation is initiated in different species. In zebrafish, trabecular cardiomyocytes extrude from compact myocardium 6 , whereas in chicks, chamber wall thickening occurs before overt trabeculation 7 ...
May 9, 2018: Nature
https://www.readbyqxmd.com/read/29725705/-knee-school-as-a-secondary-preventive-approach-the-sustainable-treatment-of-occupational-gonarthrosis
#8
S Dalichau, M Giemsa, T Solbach, M Büschke, D Engel, T Möller, A Wahl-Wachendorf
BACKGROUND: 2-6 months after successful medical rehabilitation in gonarthrosis, the positive effects remit without the implementation of adequate aftercare strategies. OBJECTIVES: A prospective comparative study aimed to investigate whether and to what extent the sustainability model of knee school for the secondary preventive treatment of occupational gonarthrosis is able to maintain positive treatment effects in the medium term. MATERIAL AND METHODS: A total of 292 male employees from the building trade went through the three-week phase 1 of the biopsychosocial knee college with a focus on ergonomics and muscle strength training...
May 3, 2018: Der Orthopäde
https://www.readbyqxmd.com/read/29724157/assembly-of-tissue-engineered-blood-vessels-with-spatially-controlled-heterogeneities
#9
Hannah A Strobel, Tracy Hookway, Marco Piola, Gianfranco Beniamino Fiore, Monica Soncini, Eben Alsberg, Marsha Rolle
Tissue-engineered human blood vessels may enable in vitro disease modeling and drug screening to accelerate advances in vascular medicine. Existing methods for tissue engineered blood vessel (TEBV) fabrication create homogenous tubes not conducive to modeling the focal pathologies characteristic of vascular disease. We developed a system for generating self-assembled human smooth muscle cell ring-units, which were fused together into TEBVs. The goal of this study was to assess the feasibility of modular assembly and fusion of ring building units to fabricate spatially-controlled, heterogeneous tissue tubes...
May 4, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29708079/barriers-to-cancer-nutrition-therapy-excess-catabolism-of-muscle-and-adipose-tissues-induced-by-tumour-products-and-chemotherapy
#10
Dalton L Schiessel, Vickie E Baracos
Cancer-associated malnutrition is driven by reduced dietary intake and by underlying metabolic changes (such as inflammation, anabolic resistance, proteolysis, lipolysis and futile cycling) induced by the tumour and activated immune cells. Cytotoxic and targeted chemotherapies also elicit proteolysis and lipolysis at the tissue level. In this review, we summarise specific mediators and chemotherapy effects that provoke excess proteolysis in muscle and excess lipolysis in adipose tissue. A nutritionally relevant question is whether and to what degree these catabolic changes can be reversed by nutritional therapy...
April 30, 2018: Proceedings of the Nutrition Society
https://www.readbyqxmd.com/read/29695959/pymus-python-based-simulation-software-for-virtual-experiments-on-motor-unit-system
#11
Hojeong Kim, Minjung Kim
We constructed a physiologically plausible computationally efficient model of a motor unit and developed simulation software that allows for integrative investigations of the input-output processing in the motor unit system. The model motor unit was first built by coupling the motoneuron model and muscle unit model to a simplified axon model. To build the motoneuron model, we used a recently reported two-compartment modeling approach that accurately captures the key cell-type-related electrical properties under both passive conditions (somatic input resistance, membrane time constant, and signal attenuation properties between the soma and the dendrites) and active conditions (rheobase current and afterhyperpolarization duration at the soma and plateau behavior at the dendrites)...
2018: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/29693711/telocytes-in-skeletal-cardiac-and-smooth-muscle-interstitium-morphological-and-functional-aspects
#12
REVIEW
Mirca Marini, Irene Rosa, Lidia Ibba-Manneschi, Mirko Manetti
Telocytes (TCs) represent a new distinct type of cells found in the stromal compartment of many organs, including the skeletal, cardiac and smooth muscles. TCs are morphologically defined as interstitial cells with a small cellular body from which arise very long (up to hundreds of micrometers) and thin moniliform processes (named telopodes) featuring the alternation of slender segments (called podomers) and small dilated portions (called podoms) accommodating some organelles. Although these stromal cells are mainly characterized by their ultrastructural traits, in the last few years TCs have been increasingly studied for their immunophenotypes, microRNA profiles, and gene expression and proteomic signatures...
April 25, 2018: Histology and Histopathology
https://www.readbyqxmd.com/read/29673385/risk-based-inspection-as-a-cost-effective-strategy-to-reduce-human-exposure-to-cysticerci-of-taenia-saginata-in-low-prevalence-settings
#13
Bhagyalakshmi Chengat Prakashbabu, Laura Rebecca Marshall, Matteo Crotta, William Gilbert, Jade Cherry Johnson, Lis Alban, Javier Guitian
BACKGROUND: Taenia saginata cysticercus is the larval stage of the zoonotic parasite Taenia saginata, with a life-cycle involving both cattle and humans. The public health impact is considered low. The current surveillance system, based on post-mortem inspection of carcasses has low sensitivity and leads to considerable economic burden. Therefore, in the interests of public health and food production efficiency, this study aims to explore the potential of risk-based and cost-effective meat inspection activities for the detection and control of T...
April 19, 2018: Parasites & Vectors
https://www.readbyqxmd.com/read/29667485/amino-acid-kinetics-and-the-response-to-nutrition-in-patients-with-cancer
#14
Barbara S van der Meij, Laisa Teleni, Marielle Pkj Engelen, Nicolaas Ep Deutz
PURPOSE: Amino acids are involved in many physiological processes in the body and serve as building blocks of proteins which are the main component of muscle mass. Often patients with cancer experience muscle wasting, which is associated with poor outcomes. The purpose of this paper is to discuss amino acid kinetics in cancer, review the evidence on the response to nutrition in patients with cancer, and to give recommendations on the appropriate level of amino acid or protein intake in cancer...
April 18, 2018: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/29666214/metabolic-abnormalities-in-chronic-fatigue-syndrome-myalgic-encephalomyelitis-a-mini-review
#15
REVIEW
Cara Tomas, Julia Newton
Chronic fatigue syndrome (CFS), commonly known as myalgic encephalomyelitis (ME), is a debilitating disease of unknown etiology. CFS/ME is a heterogeneous disease associated with a myriad of symptoms but with severe, prolonged fatigue as the core symptom associated with the disease. There are currently no known biomarkers for the disease, largely due to the lack of knowledge surrounding the eitopathogenesis of CFS/ME. Numerous studies have been conducted in an attempt to identify potential biomarkers for the disease...
April 17, 2018: Biochemical Society Transactions
https://www.readbyqxmd.com/read/29658522/effects-of-anthropometric-factors-on-postural-stability-in-individuals-with-hearing-impairment
#16
Agnieszka Zdrodowska, Ida Wiszomirska, Katarzyna Kaczmarczyk, Andrzej Kosmol
PURPOSE: Identification of factors that affect postural stability may help to improve diagnostic accuracy and enhance the quality of treatment and rehabilitation. This study sought to assess the relationship between postural stability parameters and anthropometric factors of persons with hearing impairment (HI). METHODS: The study included 128 individuals - 42 subjects with HI and 86 without HI (healthy controls). Research methodology included an interview and a medical examination, anthropometric measurements and stabilometric tests on platforms with stable and unstable surfaces...
2018: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/29644092/the-grafts-modified-by-heparinization-and-catalytic-nitric-oxide-generation-used-for-vascular-implantation-in-rats
#17
Jingchen Gao, Li Jiang, Qinge Liang, Jie Shi, Ding Hou, Di Tang, Siyuan Chen, Deling Kong, Shufang Wang
Small-diameter (<6 mm) vascular grafts are increasingly needed in peripheral vascular surgery but have few successes because of acute thrombosis, incomplete endothelialization and intimal hyperplasia after implantation. This study used electrospun poly(ε-caprolactone) as the matrix material. Heparin and selenium-containing catalyst-organoselenium modified polyethyleneimine were introduced through layer-by-layer assembly in order to build a vascular graft with in situ nitric oxide (NO) generation. The aim of this study was to explore the application of the graft with improved histocompatibility and biological function for vascular implantation in rats...
March 2018: Regenerative Biomaterials
https://www.readbyqxmd.com/read/29599878/understanding-trail-runners-activity-on-online-community-forums-an-inductive-analysis-of-discussion-topics
#18
Nadège Rochat, Denis Hauw, Gaëlle Gür, Ludovic Seifert
Recreational trail runners often participate in online community forums where they can freely read posted messages, join discussions and/or introduce new discussion topics. This tool can enhance learning as runners connect with other trail runners and reflect on how they can better organize their own practice. Studying forum activity would provide greater insight into the relationship between field practice and dedicated forums. The aim of this study was therefore to detect the topics discussed online by trail runners in order to understand how they collectively look for solutions that help them adapt to issues that emerge during actual practice...
March 2018: Journal of Human Kinetics
https://www.readbyqxmd.com/read/29599013/an-allometric-analysis-of-sexual-dimorphism-in-ctenomys-australis-integrating-classic-morphometry-and-functional-performance-in-vivo
#19
Matías Sebastián Mora, Federico Becerra, Aldo Iván Vassallo
The South American rodents of the genus Ctenomys (Rodentia, Hystricognathi), which use both forelimbs and incisors to dig, show strong, specialized morphological adaptations to living in the underground niche. In these rodents, the effectiveness of a bite - in this case the potential to inflict physical damage - mostly depends on the strength of the incisors (e.g. bending and torsion stresses) and the power of the masseteric muscle of the jaw. Ctenomys australis (the sand dune tuco-tuco) is a highly territorial subterranean rodent that builds large and exclusive burrow systems in coastal sand dunes found continuously along the Atlantic coast of the Buenos Aires province, Argentina...
February 21, 2018: Zoology: Analysis of Complex Systems, ZACS
https://www.readbyqxmd.com/read/29597234/new-concepts-in-vitamin-d-requirements-for-children-and-adolescents-a-controversy-revisited
#20
Emma M Laing, Richard D Lewis
North American and European authorities have identified thresholds up to 50 nmol/L serum 25-hydroxyvitamin D (25[OH]D) as optimal for pediatric vitamin D status. These recommendations are relative to skeletal endpoints, as vitamin D plays a pivotal role in bone mineral content (BMC) accretion. Suboptimal vitamin D consumption during youth may therefore hinder BMC acquisition, and contribute to an increased fracture risk. Though vitamin D requirements range between 400 and 800 IU/day, not all children achieve this...
2018: Frontiers of Hormone Research
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