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https://www.readbyqxmd.com/read/28449395/breast-milk-iga-to-foods-has-different-epitope-specificity-than-serum-iga-evidence-for-entero-mammary-link-for-food-specific-iga
#1
Antti E Seppo, Emma M Savilahti, M Cecilia Berin, Hugh A Sampson, Kirsi M Järvinen
BACKGROUND: We have previously shown that maternal cow's milk (CM) elimination results in down-regulation of CM-specific IgA antibody levels in BM, but not in serum, suggesting that an entero-mammary link may exist for food-specific antibody-secreting cells. OBJECTIVE: We sought to investigate whether food-specific IgA epitope profiles differ intra-individually between mother's serum and BM. We also examined how infants' food epitope-specific IgA develops in early infancy and the relationship of IgA epitope recognition with development of cow's milk allergy (CMA)...
April 27, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28449382/current-use-of-chromosomal-microarray-by-australian-paediatricians-and-implications-for-the-implementation-of-next-generation-sequencing
#2
Victoria McKay, Daryl Efron, Elizabeth E Palmer, Susan M White, Chris Pearson, Margie Danchin
AIM: Chromosomal microarray (CMA) is an important diagnostic test for children with multiple congenital anomalies or certain developmental behavioural problems suggestive of an underlying genetic diagnosis. However, there are medical and ethical complexities to its use and few Australian policies to guide practice. We aimed to describe the current practice of Australian paediatricians in relation to CMA testing. We hypothesised that there are knowledge gaps in their use of CMA. METHODS: Online survey completed between September 2015 and January 2016 by paediatricians in secondary care settings...
April 27, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28428740/protein-quality-control-by-molecular-chaperones-in-neurodegeneration
#3
REVIEW
Aaron Ciechanover, Yong Tae Kwon
Protein homeostasis (proteostasis) requires the timely degradation of misfolded proteins and their aggregates by protein quality control (PQC), of which molecular chaperones are an essential component. Compared with other cell types, PQC in neurons is particularly challenging because they have a unique cellular structure with long extensions. Making it worse, neurons are postmitotic, i.e., cannot dilute toxic substances by division, and, thus, are highly sensitive to misfolded proteins, especially as they age...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28428710/cma-down-regulates-p53-expression-through-degradation-of-hmgb1-protein-to-inhibit-irradiation-triggered-apoptosis-in-hepatocellular-carcinoma
#4
Jing-Hua Wu, Jia-Pei Guo, Jun Shi, Hui Wang, Lei-Lei Li, Bin Guo, Dian-Xing Liu, Qing Cao, Zhi-Yong Yuan
AIM: To investigate the mechanism of chaperone-mediated autophagy (CMA)-induced resistance to irradiation-triggered apoptosis through regulation of the p53 protein in hepatocellular carcinoma (HCC). METHODS: Firstly, we detected expression of lysosome-associated membrane protein 2a (Lamp-2a), which is the key protein of CMA, by western blot in HepG2 and SMMC7721 cells after irradiation. We further used shRNA Lamp-2a HCC cells to verify the radioresistance induced by CMA...
April 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28424868/non-invasive-measurements-of-the-dynamic-changes-in-the-ciliary-muscle-crystalline-lens-morphology-and-anterior-chamber-during-accommodation-with-a-high-resolution-oct
#5
José J Esteve-Taboada, Alberto Domínguez-Vicent, Daniel Monsálvez-Romín, Antonio J Del Águila-Carrasco, Robert Montés-Micó
PURPOSE: The purpose of the study was to assess non-invasively the changes in the anterior chamber eye, crystalline lens morphology, and ciliary muscle during accommodation by means of an anterior chamber optical coherence tomographer (OCT), and correlate them with vergence. METHODS: Twenty-five eyes of twenty-five healthy subjects, whose mean age was 29.9±7.1 years, were included and measured with an anterior chamber OCT. The central corneal thickness (CCT), anterior chamber depth (ACD), anterior crystalline lens radius of curvature (ALRC), crystalline lens thickness (CLT), and ciliary muscle area (CMA) were measured for each participant at 0, -1, -2, and -3 D of target vergence...
April 20, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28417624/cow-s-milk-desensitization-in-anaphylactic-patients-a-new-personalized-dose-method
#6
Delara Babaie, Mohammad Nabavi, Saba Arshi, Mehrnaz Mesdaghi, Zahra Chavoshzadeh, Mohammad Hasan Bemanian, Mitra Tafakori, Mehrdad Amirmoini, Hosein Esmailzadeh, Rasoul Molatefi, Mahsa Rekabi, Nadieh Akbarpour, Farimah Masoumi, Morteza Fallahpour
Cow's milk allergy (CMA) is the most frequent food allergy in children and oral immunotherapy (OIT) is a promising approach for treatment of patients. The most challenging cases are anaphylactic with coexisting asthma and proposing safe protocols is crucial especially in high risk groups. Considering that CMA varies among patients, an individualized OIT protocol would be beneficial to achieve a safer and more efficient method of desensitization. 18 children more than 3 years of age with IgE-mediated CMA were enrolled...
February 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28416249/prognostic-accuracy-of-clinical-signs-and-diagnostic-tests-in-cow-s-milk-allergy-in-newborns
#7
Gregor Nosan, Maja Jakic, Miha Jager, Darja Paro-Panjan
BACKGROUND: The aim of the study was to explore the correlation between clinical signs and confirmatory tests for cow's milk allergy (CMA) in the neonatal period and their relation to family history and the occurrence of food allergies in the postneonatal period. METHODS: The medical documentation of 361 newborns with suspected CMA and exclusion of other comorbidities was analyzed. The correlations between clinical signs and methods to confirm CMA [elevated levels of total immunoglobulin E (IgE) and/or specific IgE for cow's milk, improvement after the introduction of a cow's milk-free diet and positive challenge procedure] were studied...
March 27, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28410006/chaperone-mediated-autophagy-prevents-cellular-transformation-by-regulating-myc-proteasomal-degradation
#8
Luciana R Gomes, Carlos F M Menck, Ana Maria Cuervo
Chaperone-mediated autophagy (CMA), a selective form of protein lysosomal degradation, is maximally activated in stress situations to ensure maintenance of cellular homeostasis. CMA activity decreases with age and in several human chronic disorders, but in contrast, in most cancer cells, CMA is upregulated and required for tumor growth. However, the role of CMA in malignant transformation remains unknown. In this study, we demonstrate that CMA inhibition in fibroblasts augments the efficiency of MYC/c-Myc-driven cellular transformation...
March 2, 2017: Autophagy
https://www.readbyqxmd.com/read/28406634/molecular-products-and-fundamentally-based-reaction-pathways-in-the-gas-phase-pyrolysis-of-the-lignin-model-compound-p-coumaryl-alcohol
#9
Rubik Asatryan, Hayat Bennadji, Joseph W Bozzelli, Eli Ruckenstein, Lavrent Khachatryan
The fractional pyrolysis of lignin model compound para-coumaryl alcohol (p-CMA) containing a propanoid side chain and a phenolic OH group was studied using the System for Thermal Diagnostic Studies at temperatures from 200 to 900 °C, in order to gain mechanistic insight into the role of large substituents in high-lignin feedstocks pyrolysis. Phenol and its simple derivatives p-cresol, ethyl-, propenyl-, and propyl-phenols were found to be the major products predominantly formed at low pyrolysis temperatures (<500 °C)...
April 26, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28405790/csh-guidelines-for-the-diagnosis-and-treatment-of-drug-induced-liver-injury
#10
EDITORIAL
Yue-Cheng Yu, Yi-Min Mao, Cheng-Wei Chen, Jin-Jun Chen, Jun Chen, Wen-Ming Cong, Yang Ding, Zhong-Ping Duan, Qing-Chun Fu, Xiao-Yan Guo, Peng Hu, Xi-Qi Hu, Ji-Dong Jia, Rong-Tao Lai, Dong-Liang Li, Ying-Xia Liu, Lun-Gen Lu, Shi-Wu Ma, Xiong Ma, Yue-Min Nan, Hong Ren, Tao Shen, Hao Wang, Ji-Yao Wang, Tai-Ling Wang, Xiao-Jin Wang, Lai Wei, Qing Xie, Wen Xie, Chang-Qing Yang, Dong-Liang Yang, Yan-Yan Yu, Min-de Zeng, Li Zhang, Xin-Yan Zhao, Hui Zhuang
Drug-induced liver injury (DILI) is an important clinical problem, which has received more attention in recent decades. It can be induced by small chemical molecules, biological agents, traditional Chinese medicines (TCM), natural medicines (NM), health products (HP), and dietary supplements (DS). Idiosyncratic DILI is far more common than intrinsic DILI clinically and can be classified into hepatocellular injury, cholestatic injury, hepatocellular-cholestatic mixed injury, and vascular injury based on the types of injured target cells...
April 12, 2017: Hepatology International
https://www.readbyqxmd.com/read/28402954/chaperone-mediated-autophagy-compensates-for-impaired-macroautophagy-in-the-cirrhotic-liver-to-promote-hepatocellular-carcinoma
#11
Srinivas Chava, Christine Lee, Yucel Aydin, Partha K Chandra, Asha Dash, Milad Chedid, Swan N Thung, Krzysztof Moroz, Tong Wu, Nabeen C Nayak, Srikanta Dash
Macroautophagy and chaperone-mediated autophagy (CMA) represent two major lysosomal degradation processes and often compensate for one another to facilitate cell survival. The aim of this study was to determine whether these autophagy pathways could compensate for one another to promote HCC cell survival in the cirrhotic liver. Analysis of normal liver tissue showed no expression of glypican-3 or p62 proteins, suggesting that macroautophagy is the major contributor to autophagic flux under non-pathological conditions...
March 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28397227/-prenatal-diagnosis-and-follow-up-of-a-case-with-lowe-syndrome-caused-by-interstitial-deletion-of-xq25-26
#12
Xiangyu Zhu, Jie Li, Tong Ru, Ruifang Zhu, Chenyan Dai, Wanjun Wang, Yali Hu
OBJECTIVE: To report on a sporadic case of Lowe syndrome diagnosed prenatally with ultrasound examination and genetic testing. METHODS: Detailed sonographic fetal screening was performed by an experienced sonographer at 32 weeks of gestation. Fetal cranial magnetic resonance imaging (MRI) was applied to detect potential brain abnormality. Chromosomal microarray analysis (CMA) was conducted on amniotic fluid sample from the fetus and peripheral blood sample from the mother...
April 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28397211/-application-of-chromosomal-microarray-analysis-for-the-diagnosis-of-children-with-intellectual-disability-developmental-delay-and-a-normal-karytype
#13
Ting Hu, Hongmei Zhu, Zhu Zhang, Jiamin Wang, Hongqian Liu, Xuemei Zhang, Haixia Zhang, Ze Du, Lingping Li, He Wang, Shanling Liu
OBJECTIVE: To assess the value of chromosomal microarray analysis (CMA) for the diagnosis of children with intellectual disability/developmental delay (ID/DD) but a normal karytype. METHODS: Peripheral blood samples from 92 ID/DD patients were analyzed with CMA using Affymetrix CytoScan 750K arrays. The results were analyzed by ChAS v3.0 software. RESULTS: Eighteen cases (19.57%) were detected with abnormalities by CMA, among which 10 cases were diagnosed with microdeletion/microduplication syndromes...
April 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28387917/cow-milk-induced-allergies-cma-and-asthma-in-new-born
#14
W Wang, H-W Wu, J-F Liu
The article "Cow milk induced allergies (CMA) and asthma in new born" by W. Wang, H.-W. Wu, J.-F. Liu, published in Eur Rev Med Pharmacol Sci 2016; 20 (6): 1008-1014 has been withdrawn.
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28363655/structural-effect-of-quaternary-ammonium-chitin-derivatives-on-their-bactericidal-activity-and-specificity
#15
Tirut Morkaew, Onruthai Pinyakong, Wanpen Tachaboonyakiat
The effect of the quaternary ammonium chitin structure on the bactericidal activity and specificity against Escherichia coli and Staphylococcus aureus was investigated. Quaternary ammonium chitins were synthesized by the separate acylation of chitin (CT) with carboxymethyl trimethylammonium chloride (CMA), 3-carboxypropyl trimethylammonium chloride (CPA) and N-dodecyl-N,N-(dimethylammonio)butyrate (DDMAB). The successful acylation was confirmed by newly formed ester linkage. All three derivatives had a higher surface charge than chitin due to the additional positively charged quaternary ammonium groups...
March 29, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28363079/identification-of-bacteria-in-blood-cultures-from-clinically-ill-captive-antillean-manatees-trichechus-manatus-manatus
#16
Mariana C O Silva, Fernanda F L Attademo, Augusto C B Freire, Glaucia P Sousa, Fábia O Luna, Débora C V Lima, Rinaldo A Mota, Emiko S Mendes, Jean C R Silva
Between September 2001 and March 2013, 62 bacterial cultures (37 aerobic and 25 anaerobic) were performed on 37 blood samples from 23 Antillean manatees ( Trichechus manatus manatus) that were kept in captivity at the Brazilian National Center for Research and Conservation of Aquatic Mammals (CMA) in Pernambuco (CMA-PE) and Alagoas (CMA-AL), Brazil. All of the animals sampled exhibited clinical signs at the time of sampling including abscesses (n = 8), debilitation and anorexia (n = 22), and profound lethargy-moribundity (n = 7)...
March 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28362638/task-driven-optimization-of-ct-tube-current-modulation-and-regularization-in-model-based-iterative-reconstruction
#17
Grace Jianan Gang, Jeffrey Siewerdsen, Joseph Stayman
Tube current modulation (TCM) is routinely adopted on diagnostic CT scanners for dose reduction. Conventional TCM strategies are generally designed for filtered-backprojection (FBP) reconstruction to satisfy simple image quality requirements based on noise. This work investigates TCM designs for model-based iterative reconstruction (MBIR) to achieve optimal imaging performance as determined by a task-based image quality metric. Additionally, regularization is an important aspect of MBIR that is jointly optimized with TCM, and includes both the regularization strength that controls overall smoothness as well as directional weights that permits control of the isotropy/anisotropy of the local noise and resolution properties...
March 31, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28361128/design-of-dual-multiple-aperture-devices-for-dynamical-fluence-field-modulated-ct
#18
Aswin John Mathews, Steven Tilley, Grace Gang, Satomi Kawamoto, Wojciech Zbijewski, Jeffrey H Siewerdsen, Reuven Levinson, J Webster Stayman
A Multiple Aperture Device (MAD) is a novel x-ray beam modulator that uses binary filtration on a fine scale to spatially modulate an x-ray beam. Using two MADs in series enables a large variety of fluence profiles by shifting the MADS relative to each other. This work details the design and control of dual MADs for a specific class of desired fluence patterns. Specifically, models of MAD operation are integrated into a best fit objective followed by CMA-ES optimization. To illustrate this framework we demonstrate the design process for an abdominal phantom with the goal of uniform detected signal...
July 2016: Conference Proceedings of International Conference on Image Formation in X-Ray Computed Tomography
https://www.readbyqxmd.com/read/28357155/analytical-and-clinical-validity-study-of-firststepdx-plus-a-chromosomal-microarray-optimized-for-patients-with-neurodevelopmental-conditions
#19
Charles Hensel, Rena Vanzo, Megan Martin, Sean Dixon, Christophe Lambert, Brynn Levy, Lesa Nelson, Andy Peiffer, Karen S Ho, Patricia Rushton, Moises Serrano, Sarah South, Kenneth Ward, Edward Wassman
INTRODUCTION: Chromosomal microarray analysis (CMA) is recognized as the first-tier test in the genetic evaluation of children with developmental delays, intellectual disabilities, congenital anomalies and autism spectrum disorders of unknown etiology. ARRAY DESIGN: To optimize detection of clinically relevant copy number variants associated with these conditions, we designed a whole-genome microarray, FirstStep(Dx) PLUS (FSDX). A set of 88,435 custom probes was added to the Affymetrix CytoScanHD platform targeting genomic regions strongly associated with these conditions...
February 27, 2017: PLoS Currents
https://www.readbyqxmd.com/read/28345844/association-between-the-dna-repair-gene-xrcc3-rs861539-polymorphism-and-risk-of-osteosarcoma-a-systematic-review-and-meta-analysis
#20
Mohammad Reza Sobhan, Mohammad Forat Yazdi, Mahta Mazaheri, Masoud Zare Shehneh, Hossein Neamatzadeh
Objective: Although there are a few studies investigating the relation between X-Ray Repair Cross Complementing 3 (XRCC3) gene rs861539 polymorphism and osteosarcoma (OSA), the results are inconsistent. Therefore, we performed this systematic review and meta-analysis to clarify the associations between XRCC3 rs861539 polymorphism and OSA risk. Methods: We have retrieved published literature from PubMed, Google scholar, and ISI Web of Knowledge up to 25 January 2017. Odds ratios were pooled using either fixed-effects or random effects models...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
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