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https://www.readbyqxmd.com/read/28088654/transcriptional-response-of-skeletal-muscle-to-a-low-protein-perinatal-diet-in-rat-offspring-at-different-ages-the-role-of-key-enzymes-of-glucose-fatty-acid-oxidation
#1
José Luiz de Brito Alves, Ana Elisa Toscano, João Henrique da Costa-Silva, Hubert Vidal, Carol Góis Leandro, Luciano Pirola
Skeletal muscle is a plastic tissue during development with distinctive acute and chronic response to maternal protein restriction. This study evaluated gene and protein expression of key-enzymes of glycolytic pathway (HK2, PFK, PDK4 and CS), and fatty acid oxidation (CPT1 and β-HAD) of two different types of skeletal muscle [soleus and extensor digitorium longus (EDL)] from offspring rats at 30 and 90 days of age, exposed to maternal isoenergetic low protein diet throughout gestation and lactation. Pups from dams fed 17% protein diet (n=5, normal protein, Np), and low protein pups from dams fed 8% casein diet (low protein, Lp, n=5) were evaluated...
December 15, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28088631/an-esipt-based-two-photon-fluorescent-probe-detection-of-hydrogen-peroxide-in-live-cells-and-tissues
#2
Liyi Zhou, Yongbo Peng, Qianqian Wang, Qinlu Lin
A variety of diseases associated with human aging, which have a strong oxidative stress, but connecting age-related diseases and oxidative stress of the basic molecular mechanisms still insufficiently understood. Oxidative stress origins from the unregulated production of reactive oxygen species (ROS), and oxidative damaging to tissues and organs from subsequent oxidation-reduction chemistry by cellular mismanagement. In particular, H2O2 is a major by-product of ROS in live organisms and a common marker for oxidative stress, and its dynamic equilibrium can have various physiological and pathological consequences...
January 9, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28088625/absence-of-dj-1-causes-age-related-retinal-abnormalities-in-association-with-increased-oxidative-stress
#3
Vera L Bonilha, Brent A Bell, Mary E Rayborn, Ivy S Samuels, Anna King, Joe G Hollyfield, Chengsong Xie, Huaibin Cai
Oxidative stress alters physiological function in most biological tissues and can lead to cell death. In the retina, oxidative stress initiates a cascade of events leading to focal loss of RPE and photoreceptors, which is thought to be a major contributing factor to geographic atrophy. Despite these implications, the molecular regulation of RPE oxidative stress under normal and pathological conditions remains largely unknown. A better understanding of the mechanisms involved in regulating RPE and photoreceptors oxidative stress response is greatly needed...
January 11, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28088624/oxidative-phospholipidomics-in-health-and-disease-achievements-challenges-and-hopes
#4
REVIEW
Ana Reis
Phospholipid peroxidation products are recognized as important bioactive lipid mediators playing an active role as modulators in signalling events in inflammation, immunity and infection. The biochemical responses are determined by the oxidation structural features present in oxPL modulating biophysical and biological properties in model membranes and lipoproteins. In spite of the extensive work conducted with model systems over the last 20 years, the study of oxPL in biological systems has virtually stagnated...
January 11, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28088613/adipocyte-and-epidermal-fatty-acid-binding-protein-serum-concentrations-in-patients-with-lipodystrophy
#5
Konstanze Miehle, Thomas Ebert, Susan Kralisch, Annett Hoffmann, Jürgen Kratzsch, Haiko Schlögl, Michael Stumvoll, Mathias Fasshauer
OBJECTIVE: Lipodystrophy (LD) syndromes are associated with diabetes mellitus, hypertriglyceridemia, and coronary artery disease. One pathogenetic factor of LD is dysregulation of several adipokines. However, the insulin resistance- and dyslipidemia-promoting adipokines adipocyte (AFABP) and epidermal (EFABP) fatty acid-binding protein have not been investigated in non-HIV-associated LD so far. MATERIAL AND METHODS: We performed a cross-sectional analysis of AFABP and EFABP serum concentrations in 37 LD patients and 37 age-, gender-, and body mass index-matched healthy controls...
January 12, 2017: Cytokine
https://www.readbyqxmd.com/read/28088407/far-off-and-close-up-dry-matter-intake-modulate-indicators-of-immunometabolic-adaptations-to-lactation-in-subcutaneous-adipose-tissue-of-pasture-based-transition-dairy-cows
#6
M Vailati-Riboni, G Farina, F Batistel, A Heiser, M D Mitchell, M A Crookenden, C G Walker, J K Kay, S Meier, J R Roche, J J Loor
The common practice of increasing dietary energy density during the close-up dry period (last ∼3 wk prepartum) has been recently associated with a higher incidence of metabolic disorders after calving. Despite these reports, over-feeding of metabolizable energy (ME) during the far-off, nonlactating period is a common management policy aimed at achieving optimum calving body condition score (BCS) in pasture-based systems, as cows are generally thinner than total mixed ration cows at the end of lactation. Our hypothesis was that both far-off and close-up overfeeding influence the peripartum adipose tissue changes associated with energy balance and inflammatory state...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28088375/two-stage-management-of-cierny-mader-type-iv-chronic-osteomyelitis-of-the-long-bones
#7
Hongri Wu, Jie Shen, Xin Yu, Jingshu Fu, Shengpeng Yu, Dong Sun, Zhao Xie
INTRODUCTION: Cierny-Mader (C-M) type IV chronic osteomyelitis represents a complex clinical challenge with permeation of extensive bone and soft tissue involvement. Aggressive debridement through viable tissue margin includes en bloc resection improves the odds of eradication of infection, which creates large bone and soft tissue loss in treating this type of osteomyelitis. The potentially large defects increase reconstruction problems with traditional reconstruction technique. The newly staged induced membrane technique presents length-independent, potential as an alternative reconstruction method for segmental bone defects due to type IV chronic osteomyelitis...
January 6, 2017: Injury
https://www.readbyqxmd.com/read/28088270/association-of-plasminogen-activator-inhibitor-1-and-vitamin-d-receptor-expression-with-the-risk-of-keloid-disease-in-a-chinese-population
#8
Zhen-Hua Gong, Jian-Feng Ji, Jun Yang, Tie Xiang, Chang-Kai Zhou, Xuan-Liang Pan, Jian Yao
Keloid disease (KD) is a benign fibroproliferative scarring condition of unknown etiopathogenesis. Plasminogen activator inhibitor-1 (PAI-1) and vitamin D receptor (VDR) have been shown to play important roles in the progression of tissue fibrosis; therefore, both these genes are potential susceptibility genes for KD. We aimed to determine whether the gene expression levels of PAI-1 and VDR are altered in Chinese KD patients. We measured the expression of PAI and VDR in human peripheral blood lymphocytes in 236 patients with keloid and 219 age- and sex-matched healthy controls by quantitative real-time polymerase chain reaction...
January 2017: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/28087900/itraq-based-quantitative-proteomic-analysis-and-bioinformatics-study-of-proteins-in-pterygia
#9
Dandan Linghu, Lili Guo, Yinghua Zhao, Zhiming Liu, Mingwei Zhao, Lvzhen Huang, Xiaoxin Li
PURPOSE: To analysis proteins in the tissue of pterygia, and to investigate their potential roles in pterygia, using the comparative proteomic technique of Isobaric Tags for Relative and Absolute Quantitation (iTRAQ) coupled with offline 2DLC-MS/MS, Western-bolt. METHOD: The tissues of pterygia and healthy conjunctiva were collected from 10 pterygia patients (6 females, 4 males; average age was 52 years old; average course of disease was 6 years) in our hospital from September, 2015 to March, 2016...
January 13, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28087813/ethnic-differences-in-anthropometric-measures-and-abdominal-fat-distribution-a-cross-sectional-pooled-study-in-inuit-africans-and-europeans
#10
Pernille F Rønn, Gregers S Andersen, Torsten Lauritzen, Dirk L Christensen, Mette Aadahl, Bendix Carstensen, Marit E Jørgensen
BACKGROUND: Ethnic variation in abdominal fat distribution may explain differences in cardiometabolic risk between populations. However, the ability of anthropometric measures to quantify abdominal fat is not clearly understood across ethnic groups. The aim of this study was to investigate the associations between anthropometric measures and visceral (VAT) and subcutaneous abdominal adipose tissue (SAT) in Inuit, Africans and Europeans. METHODS: We combined cross-sectional data from 3 studies conducted in Greenland, Kenya and Denmark using similar methodology...
January 13, 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/28087776/seed-plant-specific-gene-lineages-involved-in-carpel-development
#11
Kai C Pfannebecker, Matthias Lange, Oliver Rupp, Annette Becker
Evolutionary innovations are important drivers of speciation and some are the defining characters of entire phyla. One such major innovation is the carpel, the unifying character and most complex plant organ, composed of many clearly distinct tissue types to ensure reproductive success. The origin of the carpel is unknown, but many components of the gene regulatory network (GRN) governing carpel development and their genetic interactions are known from the core eudicot Arabidopsis thaliana To unravel the evolution of the carpel GRN and to discriminate between "early" and "late" steps in carpel evolution we calculated thorough phylogeny reconstructions based on sequenced genomes...
January 12, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28087565/perturbation-of-retinoid-homeostasis-increases-malformation-risk-in-embryos-exposed-to-pregestational-diabetes
#12
Leo M Y Lee, Maran B W Leung, Rachel C Y Kwok, Yun-Chung Leung, Chi-Chiu Wang, Peter J McCaffery, Andrew J Copp, Alisa S W Shum
Pregestational diabetes is highly associated with increased risk of birth defects. However, factors that can increase or reduce expressivity and penetrance of malformations in diabetic pregnancies remain poorly identified. All-trans retinoic acid (RA) plays crucial roles in embryogenesis. Here, we find that Cyp26a1, which encodes a key enzyme for catabolic inactivation of RA required for tight control of local RA concentrations, is significantly down-regulated in embryos of diabetic mice. Embryonic tissues expressing Cyp26a1 show reduced efficiency of RA clearance...
January 13, 2017: Diabetes
https://www.readbyqxmd.com/read/28087456/phase-i-trial-of-total-marrow-and-lymphoid-irradiation-transplant-conditioning-in-patients-with-relapsed-refractory-acute-leukemia
#13
Anthony Stein, Joycelynne Palmer, Ni-Chun Tsai, Monzr M Al Malki, Ibrahim Aldoss, Haris Ali, Ahmed Aribi, Len Farol, Chatchada Karanes, Samer Khaled, An Liu, Margaret O'Donnell, Pablo Parker, Anna Pawlowska, Vinod Pullarkat, Eric Radany, Joseph Rosenthal, Firoozeh Sahebi, Amandeep Salhotra, James F Sanchez, Tim Schultheiss, Ricardo Spielberger, Sandra H Thomas, David Snyder, Ryotaro Nakamura, Guido Marcucci, Stephen J Forman, Jeffrey Wong
Current conditioning regimens provide insufficient disease control in relapsed/refractory acute leukemia (AL) patients undergoing hematopoietic stem cell transplantation (HSCT) with active disease. Intensification of chemotherapy and/or total body irradiation (TBI) is not feasible because of excessive toxicity. Total marrow and lymphoid irradiation (TMLI) allows for precise delivery and increased intensity treatment via sculpting radiation to sites with high disease burden or high risk for disease involvement, while sparing normal tissue...
January 10, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28087417/culture-media-based-selection-of-endothelial-cells-pericytes-and-perivascular-resident-macrophage-like-melanocytes-from-the-young-mouse-vestibular-system
#14
Jinhui Zhang, Songlin Chen, Jing Cai, Zhiqiang Hou, Xiaohan Wang, Allan Kachelmeier, Xiaorui Shi
The vestibular blood-labyrinth barrier (BLB) is comprised of perivascular-resident macrophage-like melanocytes (PVM/Ms) and pericytes (PCs), in addition to endothelial cells (ECs) and basement membrane (BM), and bears strong resemblance to the cochlear BLB in the stria vascularis. Over the past few decades, in vitro cell-based models have been widely used in blood-brain barrier (BBB) and blood-retina barrier (BRB) research, and have proved to be powerful tools for studying cell-cell interactions in their respective organs...
January 10, 2017: Hearing Research
https://www.readbyqxmd.com/read/28087407/polymeric-micelles-for-ocular-drug-delivery-from-structural-frameworks-to-recent-preclinical-studies
#15
REVIEW
Abhirup Mandal, Rohit Bisht, Ilva D Rupenthal, Ashim K Mitra
Effective intraocular drug delivery poses a major challenge due to the presence of various elimination mechanisms and physiological barriers that result in low ocular bioavailability after topical application. Over the past decades, polymeric micelles have emerged as one of the most promising drug delivery platforms for the management of ocular diseases affecting the anterior (dry eye syndrome) and posterior (age-related macular degeneration, diabetic retinopathy and glaucoma) segments of the eye. Promising preclinical efficacy results from both in-vitro and in-vivo animal studies have led to their steady progression through clinical trials...
January 10, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28087063/spatial-dependent-mechanical-properties-of-the-heel-pad-by-shear-wave-elastography
#16
Che-Yu Lin, Pei-Yu Chen, Yio-Wha Shau, Hao-Chih Tai, Chung-Li Wang
The heel pad plays an important role in gait, and its biomechanical behavior and functionality are determined by its specialized architecture and mechanical properties. The purpose of this study was to apply supersonic shear wave elastography, an ultrasound-based noninvasive modality that can quantitatively estimate the shear stiffness of the tissue, to investigate the spatial-dependent mechanical properties of the heel pad. Measurements were conducted in 40 heel pads of 20 normal participants aged between 20 and 30 years by shear wave elastography...
January 6, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28086916/microglial-activation-in-parkinson-s-disease-using-18-f-feppa
#17
Christine Ghadery, Yuko Koshimori, Sarah Coakeley, Madeleine Harris, Pablo Rusjan, Jinhee Kim, Sylvain Houle, Antonio P Strafella
BACKGROUND: Neuroinflammatory processes including activated microglia have been reported to play an important role in Parkinson's disease (PD). Increased expression of translocator protein (TSPO) has been observed after brain injury and inflammation in neurodegenerative diseases. Positron emission tomography (PET) radioligand targeting TSPO allows for the quantification of neuroinflammation in vivo. METHODS: Based on the genotype of the rs6791 polymorphism in the TSPO gene, we included 25 mixed-affinity binders (MABs) (14 PD patients and 11 age-matched healthy controls (HC)) and 27 high-affinity binders (HABs) (16 PD patients and 11 age-matched HC) to assess regional differences in the second-generation radioligand [(18)F]-FEPPA between PD patients and HC...
January 11, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28081512/association-between-herpes-simplex-virus-types-1-and-2-with-cardiac-myxoma
#18
Maryam Sotoudeh Anvari, Moud Sabagh, Hamidreza Goodarzynejad, Shayan Ziaei, Mohammad Ali Boroumand, Leyla Pourgholi, Yaser Jenab, Kyomars Abbasi
Most cases of atrial myxoma are sporadic, and the exact etiology is unknown. We examined if herpes simplex virus (HSV)-1 and HSV-2 antigens and/or DNA could be detected in a cohort of Iranian patients with cardiac myxomas. From July 2004 to June 2014, among a total of 36,703 patients undergoing open heart surgeries, consecutive patients with cardiac myxoma who were treated by surgical excision at our center included in this study. Of 73 patients studied, 56% were female with a mean age of 54 years (ranging from 23 to 77 years)...
January 3, 2017: Cardiovascular Pathology: the Official Journal of the Society for Cardiovascular Pathology
https://www.readbyqxmd.com/read/28081218/adiponectin-signaling-regulates-lipid-production-in-human-sebocytes
#19
Yu Ra Jung, Jin-Hyup Lee, Kyung-Cheol Sohn, Young Lee, Young-Joon Seo, Chang-Deok Kim, Jeung-Hoon Lee, Seung-Phil Hong, Seong-Jun Seo, Seong-Jin Kim, Myung Im
Adiponectin plays important roles in metabolic function, inflammation and multiple biological activities in various tissues. However, evidence for adiponectin signaling in sebaceous glands is lacking, and its role remains to be clarified. This study investigated the role of adiponectin in lipid production in sebaceous glands in an experimental study of human sebocytes. We demonstrated that human sebaceous glands in vivo and sebocytes in vitro express adiponectin receptor and that adiponectin increased cell proliferation...
2017: PloS One
https://www.readbyqxmd.com/read/28081197/morphine-withdrawal-modifies-prion-protein-expression-in-rat-hippocampus
#20
Vincenzo Mattei, Stefano Martellucci, Francesca Santilli, Valeria Manganelli, Tina Garofalo, Niccolò Candelise, Alessandra Caruso, Maurizio Sorice, Sergio Scaccianoce, Roberta Misasi
The hippocampus is a vulnerable brain structure susceptible to damage during aging and chronic stress. Repeated exposure to opioids may alter the brain so that it functions normally when the drugs are present, thus, a prolonged withdrawal might lead to homeostatic changes headed for the restoration of the physiological state. Abuse of morphine may lead to Reacting Oxygen Species-induced neurodegeneration and apoptosis. It has been proposed that during morphine withdrawal, stress responses might be responsible, at least in part, for long-term changes of hippocampal plasticity...
2017: PloS One
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