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MPS 1-H/S

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https://www.readbyqxmd.com/read/29097038/impact-of-the-calcium-form-of-%C3%AE-hydroxy-%C3%AE-methylbutyrate-upon-human-skeletal-muscle-protein-metabolism
#1
D J Wilkinson, T Hossain, M C Limb, B E Phillips, J Lund, J P Williams, M S Brook, J Cegielski, A Philp, S Ashcroft, J A Rathmacher, N J Szewczyk, K Smith, P J Atherton
BACKGROUND & AIMS: β-hydroxy-β-methylbutyrate (HMB) is purported as a key nutritional supplement for the preservation of muscle mass in health, disease and as an ergogenic aid in exercise. Of the two available forms of HMB (calcium (Ca-HMB) salt or free acid (FA-HMB)) - differences in plasma bioavailability have been reported. We previously reported that ∼3 g oral FA-HMB increased muscle protein synthesis (MPS) and reduced muscle protein breakdown (MPB). The objective of the present study was to quantify muscle protein metabolism responses to oral Ca-HMB...
October 6, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29039531/prognostic-implications-and-procoagulant-activity-of-phosphatidylserine-exposure-of-blood-cells-and-microparticles-in-patients-with-atrial-fibrillation-treated-with-pulmonary-vein-isolation
#2
Huan Meng, Junjie Kou, Ruishuang Ma, Wenbo Ding, Yan Kou, Muhua Cao, Zengxiang Dong, Yayan Bi, Hemant S Thatte, Jialan Shi
The present study aimed to evaluate the procoagulant effects of phosphatidylserine (PS) exposure on blood cells and microparticles (MPs), and examine its role in predicting early recurrence atrial fibrillation (ERAF) in patients with atrial fibrillation (AF) treated with pulmonary vein isolation (PVI). Blood samples were obtained from 40 healthy controls and 56 patients with AF at baseline (prior to PVI), and 0, 1 h, 1 day, 3 days and 7 days following PVI. The exposure of PS (PS+) to blood cells (platelets, erythrocytes and leukocytes) and MPs was detected using flow cytometry...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29031484/effects-of-leucine-enriched-essential-amino-acid-and-whey-protein-bolus-dosing-upon-skeletal-muscle-protein-synthesis-at-rest-and-after-exercise-in-older-women
#3
Daniel J Wilkinson, Syed S I Bukhari, Bethan E Phillips, Marie C Limb, Jessica Cegielski, Matthew S Brook, Debbie Rankin, William K Mitchell, Hisamine Kobayashi, John P Williams, Jonathan Lund, Paul L Greenhaff, Kenneth Smith, Philip J Atherton
BACKGROUND & AIMS: Impaired anabolic responses to nutrition and exercise contribute to loss of skeletal muscle mass with ageing (sarcopenia). Here, we tested responses of muscle protein synthesis (MPS), in the under represented group of older women, to leucine-enriched essential amino acids (EAA) in comparison to a large bolus of whey protein (WP). METHODS: Twenty-four older women (65 ± 1 y) received (N = 8/group) 1.5 g leucine-enriched EAA supplements (LEAA_1...
September 23, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28960081/a-systematic-proteogenomic-approach-to-exploring-a-novel-function-for-nherf1-in-human-reproductive-disorder-lessons-for-exploring-missing-proteins
#4
Keun Na, Heon Shin, Jin-Young Cho, Sang Hee Jung, Jaeseung Lim, Jong-Sun Lim, Eun Ah Kim, Hye Sun Kim, Ah Reum Kang, Ji Hye Kim, Jeong Min Shin, Seul-Ki Jeong, Chae-Yeon Kim, Jun Young Park, Hyung-Min Chung, Gilbert S Omenn, William S Hancock, Young-Ki Paik
One of the major goals of the Chromosome-Centric Human Proteome Project (C-HPP) is to fill the knowledge gaps between human genomic information and the corresponding proteomic information. These gaps are due to "missing" proteins (MPs)-predicted proteins with insufficient evidence from mass spectrometry (MS), biochemical, structural or antibody analyses-that currently account for 2,579 of the 20,159 predicted human proteins (neXtProt, 2017-02). We address some of the lessons learned from the inconsistent annotations of missing proteins in databases (DB) and demonstrate a systematic proteogenomic approach designed to explore a potential new function of a known protein...
September 29, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28899879/pronounced-energy-restriction-with-elevated-protein-intake-results-in-no-change-in-proteolysis-and-reductions-in-skeletal-muscle-protein-synthesis-that-are-mitigated-by-resistance-exercise
#5
Amy J Hector, Chris McGlory, Felipe Damas, Nicole Mazara, Steven K Baker, Stuart M Phillips
Preservation of lean body mass (LBM) may be important during dietary energy restriction (ER) and requires equal rates of muscle protein synthesis (MPS) and muscle protein breakdown (MPB). Currently, the relative contribution of MPS and MPB to the loss of LBM during ER in humans is unknown. We aimed to determine the impact of dietary protein intake and resistance exercise on MPS and MPB during a controlled short-term energy deficit. Adult men (body mass index, 28.6 ± 0.6 kg/m(2); age 22 ± 1 yr) underwent 10 d of 40%-reduced energy intake while performing unilateral resistance exercise and consuming lower protein (1...
September 12, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28759042/inhibition-of-the-spindle-assembly-checkpoint-kinase-mps-1-as-a-novel-therapeutic-strategy-in-malignant-mesothelioma
#6
A Szymiczek, M Carbone, S Pastorino, A Napolitano, M Tanji, M Minaai, I Pagano, J M Mason, H I Pass, M R Bray, T W Mak, H Yang
Malignant mesothelioma (MM) is an aggressive malignancy, highly resistant to current medical and surgical therapies, whose tumor cells characteristically show a high level of aneuploidy and genomic instability. We tested our hypothesis that targeting chromosomal instability in MM would improve response to therapy. Thr/Tyr kinase (TTK)/monopolar spindle 1 kinase (Mps-1) is a kinase of the spindle assembly checkpoint that controls cell division and cell fate. CFI-402257 is a novel, selective inhibitor of Mps-1 with antineoplastic activity...
November 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28664482/prognostic-value-of-a-faster-low-radiation-myocardial-perfusion-spect-protocol-in-a-czt-camera
#7
Ronaldo S L Lima, Thaís R Peclat, Ana Carolina A H Souza, Aline M K Nakamoto, Felipe M Neves, Victor F Souza, Letícia B Glerian, Andrea De Lorenzo
To determine the prognostic value of a new, ultrafast, low dose myocardial perfusion SPECT (MPS) protocol in a cadmium-zinc telluride (CZT) camera. CZT cameras have introduced significant progress in MPS imaging, offering high-quality images despite lower doses and scan time. Yet, it is unknown if, with such protocol changes, the prognostic value of MPS is preserved. Patients had a 1-day 99 m-Tc-sestamibi protocol, starting with the rest (185-222 MBq) followed by stress (666-740 MBq). Acquisition times were 6 and 3 min, respectively...
June 29, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28642676/international-society-of-sports-nutrition-position-stand-protein-and-exercise
#8
REVIEW
Ralf Jäger, Chad M Kerksick, Bill I Campbell, Paul J Cribb, Shawn D Wells, Tim M Skwiat, Martin Purpura, Tim N Ziegenfuss, Arny A Ferrando, Shawn M Arent, Abbie E Smith-Ryan, Jeffrey R Stout, Paul J Arciero, Michael J Ormsbee, Lem W Taylor, Colin D Wilborn, Doug S Kalman, Richard B Kreider, Darryn S Willoughby, Jay R Hoffman, Jamie L Krzykowski, Jose Antonio
The International Society of Sports Nutrition (ISSN) provides an objective and critical review related to the intake of protein for healthy, exercising individuals. Based on the current available literature, the position of the Society is as follows:An acute exercise stimulus, particularly resistance exercise, and protein ingestion both stimulate muscle protein synthesis (MPS) and are synergistic when protein consumption occurs before or after resistance exercise.For building muscle mass and for maintaining muscle mass through a positive muscle protein balance, an overall daily protein intake in the range of 1...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28362997/transforming-growth-factor-beta-1-expression-in-macrophages-of-human-chronic-periapical-diseases
#9
Z-Z Liang, J Li, S-G Huang
The objective of this study was to observe the distribution of macrophages (MPs) expressing transforming growth factor beta-1 (TGF-β1) in tissue samples from patients with different human chronic periapical diseases. In this study, samples were collected from 75 volunteers, who were divided into three groups according to classified standards, namely, healthy control (N = 25), periapical granuloma (N = 25), and periapical cyst (N = 25). The samples were fixed in 10% buffered formalin for more than 48 h, dehydrated, embedded, and stained with hematoxylin and eosin for histopathology...
March 30, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28346423/mob1-yap1-taz-nkx2-1-axis-controls-bronchioalveolar-cell-differentiation-adhesion-and-tumour-formation
#10
K Otsubo, H Goto, M Nishio, K Kawamura, S Yanagi, W Nishie, T Sasaki, T Maehama, H Nishina, K Mimori, T Nakano, H Shimizu, T W Mak, K Nakao, Y Nakanishi, A Suzuki
Mps One Binder Kinase Activator (MOB)1A/1B are core components of the Hippo pathway. These proteins, which coactivate LArge Tumour Suppressor homologue kinases, are also tumour suppressors. To investigate MOB1A/B's roles in normal physiology and lung cancer, we generated doxycycline (Dox)-inducible, bronchioalveolar epithelium-specific, null mutations of MOB1A/B in mice (SPC-rtTA/(tetO)7-Cre/Mob1a(flox/flox)/Mob1b(-/-); termed luMob1DKO mice). Most mutants (70%) receiving Dox in utero (luMob1DKO (E6.5-18.5) mice) died of hypoxia within 1 h post-birth...
July 20, 2017: Oncogene
https://www.readbyqxmd.com/read/28341051/whey-protein-derived-exosomes-increase-protein-synthesis-and-hypertrophy-in-c2-c12-myotubes
#11
C Brooks Mobley, Petey W Mumford, John J McCarthy, Michael E Miller, Kaelin C Young, Jeffrey S Martin, Darren T Beck, Christopher M Lockwood, Michael D Roberts
We sought to examine potential amino acid independent mechanisms whereby hydrolyzed whey protein (WP) affects muscle protein synthesis (MPS) and anabolism in vitro. Specifically, we tested (1) whether 3-h and 6-h treatments of WP, essential amino acids, or l-leucine (Leu) affected MPS, and whether 6-h treatments with low-, medium-, or high doses of WP versus Leu affected MPS; (2) whether knockdown of the primary Leu transporter affected WP- and Leu-mediated changes in MPS, mammalian target of rapamycin (mTOR) signaling responses, or both, following 6-h treatments; (3) whether exosomes isolated from WP (WP-EXO) affected MPS, mTOR signaling responses, or both, compared with untreated (control) myotubes, following 6-h, 12-h, and 24-h treatments, and whether they affected myotube diameter following 24-h and 48-h treatments...
January 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28285200/enhanced-photocurrent-production-by-the-synergy-of-hematite-nanowire-arrayed-photoanode-and-bioengineered-shewanella-oneidensis-mr-1
#12
Gaolong Zhu, Yun Yang, Juan Liu, Feng Liu, Anhuai Lu, Weidong He
Coupling the light-harvesting capabilities of semiconductors with the catalytic power of bacteria is a promising way to increase the efficiency of bioelectrochemical systems. Here, we reported the enhanced photocurrents produced by the synergy of hematite nanowire-arrayed photoanode and the bio-engineered Shewanella oneidensis MR-1 in a solar-assisted microbial photoelectrochemical system (solar MPS) under the visible light. To increase the supply of bioelectrons, the D-lactate transporter, SO1522, was overexpressed in the recombinant S...
March 8, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28243577/evaluation-of-impact-of-anti-idursulfase-antibodies-during-long-term-idursulfase-enzyme-replacement-therapy-in-mucopolysaccharidosis-ii-patients
#13
R Giugliani, P Harmatz, S A Jones, N J Mendelsohn, A Vellodi, Y Qiu, C J Hendriksz, S Vijayaraghavan, D A H Whiteman, A Pano
OBJECTIVES: This 109-week, nonrandomized, observational study of mucopolysaccharidosis II (MPS II) patients already enrolled in the Hunter Outcome Survey (HOS) (NCT00882921), assessed the long-term immunogenicity of idursulfase, and examined the effect of idursulfase-specific antibody generation on treatment safety (via infusion-related adverse events [IRAEs]) and pharmacodynamics (via urinary glycosaminoglycans [uGAGs]). METHODS: Male patients ≥ 5 years, enrolled in HOS regardless of idursulfase treatment status were eligible...
September 2017: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/28156669/a-novel-scoring-system-to-predict-survival-in-patients-with-advanced-pancreatic-adenocarcinoma-the-memorial-prognostic-score-mps
#14
Alison Wiesenthal, Andrew S Epstein, Junting Zheng, Jessica Goldberg, Jason Meadows, Eileen Mary O'Reilly, Paul A Glare
36 Background: A major limitation of prognostic tools such as the Eastern Cooperative Oncology Group (ECOG), Karnofsky, and Palliative Performance Scale is a reliance on subjective clinical assessment. An objective tool, the Glasgow Prognostic Score (GPS) is derived from C-reactive Protein (CRP) and albumin and has been validated in patients with operable and inoperable malignancies. One disadvantage of this tool is that CRP is not routinely measured in the United States. We examined if the Neutrophil-Lymphocyte Ratios (NLR) (Ahn, H...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28053529/co-self-assembly-of-cationic-microparticles-to-deliver-pegfp-znf580-for-promoting-the-transfection-and-migration-of-endothelial-cells
#15
Yakai Feng, Mengyang Guo, Wen Liu, Xuefang Hao, Wei Lu, Xiangkui Ren, Changcan Shi, Wencheng Zhang
The gene transfection efficiency of polyethylenimine (PEI) varies with its molecular weight. Usually, high molecular weight of PEI means high gene transfection, as well as high cytotoxicity in gene delivery in vivo. In order to enhance the transfection efficiency and reduce the cytotoxicity of PEI-based gene carriers, a novel cationic gene carrier was developed by co-self-assembly of cationic copolymers. First, a star-shaped copolymer poly(3(S)-methyl-morpholine-2,5-dione-co-lactide) (P(MMD-co-LA)) was synthesized using D-sorbitol as an initiator, and the cationic copolymer (P(MMD-co-LA)-g-PEI) was obtained after grafting low-molecular weight PEI...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28045254/homogeneous-catalysis-under-ultradilute-conditions-taml-naclo-oxidation-of-persistent-metaldehyde
#16
Liang L Tang, Matthew A DeNardo, Christopher J Schuler, Matthew R Mills, Chakicherla Gayathri, Roberto R Gil, Rakesh Kanda, Terrence J Collins
TAML activators enable homogeneous oxidation catalysis where the catalyst and substrate (S) are ultradilute (pM-low μM) and the oxidant is very dilute (high nM-low mM). Water contamination by exceptionally persistent micropollutants (MPs), including metaldehyde (Met), provides an ideal space for determining the characteristics and utilitarian limits of this ultradilute catalysis. The low MP concentrations decrease throughout catalysis with S oxidation (kII) and catalyst inactivation (ki) competing for the active catalyst...
January 18, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/27761411/30-months-follow-up-of-an-early-enzyme-replacement-therapy-in-a-severe-morquio-a-patient-about-one-case
#17
J Do Cao, A Wiedemann, T Quinaux, S F Battaglia-Hsu, L Mainard, R Froissart, C Bonnemains, S Ragot, B Leheup, P Journeau, F Feillet
Patients under 5 years were not evaluated in the phase-3 study for enzyme replacement therapy (ERT) in MPS IV A. Here we describe the evolution of a severe Morquio A pediatric patient who was diagnosed at 19 months old and treated by ERT at 21 months old for the next 30 months. Applying the standard ERT protocol on this very young patient appeared to reduce his urinary excretion of glycosaminoglycans (GAGs); the improvements in both the 6 minute-walk test (6MWT) and the stair climb test, however, were no different than those reported in the nature history study...
December 2016: Molecular Genetics and Metabolism Reports
https://www.readbyqxmd.com/read/27733086/comparative-study-of-kanamycin-sulphate-microparticles-and-nanoparticles-for-intramuscular-administration-preparation-in-vitro-release-and-preliminary-in-vivo-evaluation
#18
COMPARATIVE STUDY
Sanaul Mustafa, V Kusum Devi, Roopa S Pai
Kanamycin sulphate (KS) is a Mycobacterium tuberculosis protein synthesis inhibitor. KS is polycationic, a property responsible for KS poor oral absorption half-life (2.5 h) and rapid renal clearance, which results in serious nephrotoxicity/ototoxicity. The current study aimed to develop KS-loaded PLGA vitamin-E-TPGS microparticles (MPs) and nanoparticles (NPs) to reduce the dosing frequency and dose-related adverse effect. In vitro release was sustained up to 10 days for KS PLGA-TPGS MPs and 13 days for KS PLGA-TPGS NPs in phosphate-buffered saline (PBS) pH 7...
November 2016: Journal of Microencapsulation
https://www.readbyqxmd.com/read/27650774/enhanced-procoagulant-activity-on-blood-cells-after-acute-ischemic-stroke
#19
Zhipeng Yao, Lixiu Wang, Xiaoming Wu, Lu Zhao, Chunling Chi, Li Guo, Dongxia Tong, Xiaoyan Yang, Zengxiang Dong, Ruijuan Deng, Valerie A Novakovic, Hemant S Thatte, Yayan Bi, Ye Tian, Jialan Shi, Jin Zhou, Junjie Kou, Shaoshan Hu
The role of phosphatidylserine (PS)-mediated procoagulant activity (PCA) in stroke remains unclear. To ascertain this role, early dynamic evolution of PS exposure on blood cells and released microparticles (MPs) and the corresponding PCA were evaluated in patients with acute ischemic stroke (AIS). Flow cytometry analyses revealed that initial levels of PS exposure on erythrocyte, platelet, and leukocyte were 2.40-, 1.36-, and 1.38-fold higher, respectively, in AIS than the risk factor-matched (RF) controls...
February 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/27590925/a-prospective-one-year-natural-history-study-of-mucopolysaccharidosis-types-iiia-and-iiib-implications-for-clinical-trial-design
#20
K V Truxal, H Fu, D M McCarty, K A McNally, K L Kunkler, N A Zumberge, L Martin, S C Aylward, L N Alfano, K M Berry, L P Lowes, M Corridore, C McKee, K L McBride, K M Flanigan
Mucopolysaccharidosis type III is a group of four autosomal recessive enzyme deficiencies leading to tissue accumulation of heparan sulfate. Central nervous system disease is prominent, with initial normal development followed by neurocognitive decline leading to death. In order to define outcome measures suitable for gene transfer trials, we prospectively assessed disease progression in MPS IIIA and IIIB subjects >2years old at three time points over one year (baseline, 6 and 12months). Fifteen IIIA (9 male, 6 female; age 5...
November 2016: Molecular Genetics and Metabolism
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