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https://www.readbyqxmd.com/read/28346969/the-comparison-of-laparoscopic-and-microsurgical-varicocoelectomy-in-infertile-men-with-varicocoele-on-paternity-rate-12%C3%A2-months-after-surgery-a-prospective-randomized-controlled-trial
#1
P Bryniarski, P Taborowski, P Rajwa, Z Kaletka, M Życzkowski, A Paradysz
The best surgical approach for varicocoelectomy is still unknown, however more and more physicians favour subinguinal microsurgery. The aim of this study was to find whether microsurgical approach is superior to laparoscopic varicocoelectomy in terms of pregnancy rate, fertility potential, endocrinological function of the testis, erectile dysfunction and testicle volume increase. It was a prospective, non-masked, parallel-group randomized controlled trial with one to one allocation. It was conducted at authors' institution and designed as per protocol study...
March 27, 2017: Andrology
https://www.readbyqxmd.com/read/28346931/compositional-analysis-and-metabolism-of-human-milk-oligosaccharides-in-infants
#2
Clemens Kunz, Silvia Rudloff
It is a great success that biotechnological means are available today to produce amounts of single human milk oligosaccharides (HMOs) in a purity which allows performing metabolic and functional studies even in humans. As recent data indicate that there is a link between the Lewis blood group and the secretor status of an individual and certain inflammatory diseases, this review will also focus on the metabolic fate of secretor- and Lewis blood group-specific components. We conclude that there is no simple urinary or fecal excretion pattern of HMOs, although the pattern in urine often reflects the mother's secretor/nonsecretor status...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28346922/epigenetics-in-gastrointestinal-health-and-disease-spotlight-on-dna-methylation-in-the-intestinal-epithelium
#3
Matthias Zilbauer, Judith Kraiczy
Epigenetics can be defined as stable, potentially heritable changes in cellular phenotype caused by mechanisms other than alterations in the underlying DNA sequence. DNA methylation is amongst the most intensely studied epigenetic mechanisms and has been shown to play a major role in regulating fundamental aspects of cell biology including cellular differentiation, organ development, and cell type-specific gene expression. Importantly, it is becoming increasingly clear that epigenetic mechanisms operate at the interface between the genetic code and our environment and are able to mediate environmental changes into stable phenotypic alterations...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28346853/high-prevalence-of-vitamin-d-deficiency-and-correlation-of-serum-vitamin-d-with-cardiovascular-risk-in-patients-with-metabolic-syndrome
#4
Mohammad J Alkhatatbeh, Khalid K Abdul-Razzak, Lubna Q Khasawneh, Nesreen A Saadeh
BACKGROUND: Metabolic syndrome (MetS) identifies subjects with increased risk of cardiovascular disease when they have a combination of insulin resistance, obesity, hypertension, hyperglycemia, low high-density lipoprotein cholesterol (HDL-C), and elevated triglycerides (TGs). Increasing evidence suggests that vitamin D deficiency could be associated with diabetes and MetS. The aim is to assess if 25-hydroxyvitamin D (25-OHD) is correlated with cardiovascular risk components of MetS. METHODS: A cross-sectional study involved 124 diabetic patients with MetS according to International Diabetes Federation definition...
March 27, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28346851/aquatic-therapy-for-people-with-lymphedema-a-systematic-review-and-meta-analysis
#5
Wai Yeung, Adam I Semciw
BACKGROUND: Aquatic therapy has several proposed benefits for people with lymphedema. A systematic review of the evidence for aquatic therapy in lymphedema management has not been conducted. METHOD AND RESULTS: Systematic review and meta-analysis were conducted. Five electronic databases were searched to identify randomized controlled trials (RCTs) of people with lymphedema, which compared aquatic therapy with other lymphedema interventions. Qualitative analysis was undertaken where quantitative analysis was not possible...
March 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28346802/metabolome-profiling-of-partial-and-fully-reprogrammed-induced-pluripotent-stem-cells
#6
Soon-Jung Park, Sang A Lee, Nutan Prasain, Daekyeong Bae, Hyunsu Kang, Taewon Ha, Jong Soo Kim, Ki-Sung Hong, Charlie Mantel, Sung-Hwan Moon, Hal E Broxmeyer, Man Ryul Lee
Acquisition of proper metabolomic fate is required to convert somatic cells toward fully reprogrammed pluripotent stem cells. The majority of induced pluripotent stem cells (iPSCs) are partially reprogrammed and have a transcriptome different from that of the pluripotent stem cells. The metabolomic profile and mitochondrial metabolic functions required to achieve full reprogramming of somatic cells to iPSC status have not yet been elucidated. Clarification of the metabolites underlying reprogramming mechanisms should enable further optimization to enhance the efficiency of obtaining fully reprogrammed iPSCs...
March 27, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/28346793/early-immune-responses-to-marek-s-disease-vaccines
#7
Mohammad Heidari, Dan Wang, Shuhong Sun
Marek's disease virus (MDV), a highly cell-associated lymphotropic α-herpesvirus, is the causative agent of Marek's disease (MD) in domestic chickens. MDV replicates in chicken cells and establishes a latent infection within CD4(+) T cells. Although MD vaccines have been in use for several decades, the exact mechanism of vaccine-induced protection is unclear. It is believed that the innate immune system plays a role in vaccine-induced immunity against pathogenic strains of MDV. To shed light on the possible function of the innate immunity in vaccine-mediated protection, we investigated the effect of vaccination, Rispens/CVI988, on the activation of cellular components of the innate immune system by analyzing the expression pattern of select immune-related genes in the cecal tonsils (CT) and duodenum of two MD-susceptible and MD-resistant chicken lines at 3, 5, and 10 days postvaccination (dpv)...
March 27, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28346760/commentary-critical-considerations-for-studying-low-functioning-autism
#8
Bhismadev Chakrabarti
Jack and Pelphrey provide a systematic review of neuroimaging studies in understudied populations within the autistic spectrum, focussing specifically on those with minimal verbal ability, intellectual disability and developmental regression. Despite accounting for nearly a third of the autistic spectrum, the number of studies focussing on these populations is extremely low. This review highlights a critical need for further neuroimaging research on these populations, and provides practical suggestions for overcoming the challenges posed by it...
April 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28346710/the-arabidopsis-thiamin-deficient-mutant-pale-green1-lacks-thiamin-monophosphate-phosphatase-of-the-vitamin-b1-biosynthesis-pathway
#9
Wei-Yu Hsieh, Jo-Chien Liao, Hsin-Tzu Wang, Tzu-Huan Hung, Ching-Chih Tseng, Tsui-Yun Chung, Ming-Hsiun Hsieh
Thiamin diphosphate (TPP, vitamin B1) is an essential coenzyme present in all organisms. Animals obtain TPP from their diets, but plants synthesize TPP de novo. We isolated and characterized an Arabidopsis pale green1 (pale1) mutant that contained higher concentrations of thiamin monophosphate (TMP) and less thiamin and TPP than the wild type. Supplementation with thiamin, but not the thiazole and pyrimidine precursors, rescued the mutant phenotype, indicating that the pale1 mutant is a thiamin-deficient mutant...
March 27, 2017: Plant Journal: for Cell and Molecular Biology
https://www.readbyqxmd.com/read/28346501/a-tissue-specific-role-for-intraflagellar-transport-genes-during-craniofacial-development
#10
Elizabeth N Schock, Jaime N Struve, Ching-Fang Chang, Trevor J Williams, John Snedeker, Aria C Attia, Rolf W Stottmann, Samantha A Brugmann
Primary cilia are nearly ubiquitous, cellular projections that function to transduce molecular signals during development. Loss of functional primary cilia has a particularly profound effect on the developing craniofacial complex, causing several anomalies including craniosynostosis, micrognathia, midfacial dysplasia, cleft lip/palate and oral/dental defects. Development of the craniofacial complex is an intricate process that requires interactions between several different tissues including neural crest cells, neuroectoderm and surface ectoderm...
2017: PloS One
https://www.readbyqxmd.com/read/28346493/aberrant-neuronal-activity-induced-signaling-and-gene-expression-in-a-mouse-model-of-rasopathy
#11
Franziska Altmüller, Santosh Pothula, Anil Annamneedi, Saeideh Nakhei-Rad, Carolina Montenegro-Venegas, Eneko Pina-Fernández, Claudia Marini, Monica Santos, Denny Schanze, Dirk Montag, Mohammad R Ahmadian, Oliver Stork, Martin Zenker, Anna Fejtova
Noonan syndrome (NS) is characterized by reduced growth, craniofacial abnormalities, congenital heart defects, and variable cognitive deficits. NS belongs to the RASopathies, genetic conditions linked to mutations in components and regulators of the Ras signaling pathway. Approximately 50% of NS cases are caused by mutations in PTPN11. However, the molecular mechanisms underlying cognitive impairments in NS patients are still poorly understood. Here, we report the generation and characterization of a new conditional mouse strain that expresses the overactive Ptpn11D61Y allele only in the forebrain...
March 27, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28346469/computational-identifying-and-characterizing-circular-rnas-and-their-associated-genes-in-hepatocellular-carcinoma
#12
Yan Li, Yongcheng Dong, Ziyan Huang, Qifan Kuang, Yiming Wu, Yizhou Li, Menglong Li
Hepatocellular carcinoma (HCC) is currently still a major factor leading to death, lacking of reliable biomarkers. Therefore, deep understanding the pathogenesis for HCC is of great importance. The emergence of circular RNA (circRNA) provides a new way to study the pathogenesis of human disease. Here, we employed the prediction tool to identify circRNAs based on RNA-seq data. Then, to investigate the biological function of the circRNA, the candidate circRNAs were associated with the protein-coding genes (PCGs) by GREAT...
2017: PloS One
https://www.readbyqxmd.com/read/28346425/chip-stub1-regulates-the-warburg-effect-by-promoting-degradation-of-pkm2-in-ovarian-carcinoma
#13
Y Shang, J He, Y Wang, Q Feng, Y Zhang, J Guo, J Li, S Li, Y Wang, G Yan, F Ren, Y Shi, J Xu, N Zeps, Y Zhai, D He, Z Chang
Tumor cells preferentially adopt aerobic glycolysis for their energy supply, a phenomenon known as the Warburg effect. It remains a matter of debate as to how the Warburg effect is regulated during tumor progression. Here, we show that CHIP (carboxyl terminus of Hsc70-interacting protein), a U-box E3 ligase, suppresses tumor progression in ovarian carcinomas by inhibiting aerobic glycolysis. While CHIP is downregulated in ovarian carcinoma, induced expression of CHIP results in significant inhibition of the tumor growth examined by in vitro and in vivo experiments...
March 27, 2017: Oncogene
https://www.readbyqxmd.com/read/28346411/the-cold-induced-lipokine-12-13-dihome-promotes-fatty-acid-transport-into-brown-adipose-tissue
#14
Matthew D Lynes, Luiz O Leiria, Morten Lundh, Alexander Bartelt, Farnaz Shamsi, Tian Lian Huang, Hirokazu Takahashi, Michael F Hirshman, Christian Schlein, Alexandra Lee, Lisa A Baer, Francis J May, Fei Gao, Niven R Narain, Emily Y Chen, Michael A Kiebish, Aaron M Cypess, Matthias Blüher, Laurie J Goodyear, Gökhan S Hotamisligil, Kristin I Stanford, Yu-Hua Tseng
Brown adipose tissue (BAT) and beige adipose tissue combust fuels for heat production in adult humans, and so constitute an appealing target for the treatment of metabolic disorders such as obesity, diabetes and hyperlipidemia. Cold exposure can enhance energy expenditure by activating BAT, and it has been shown to improve nutrient metabolism. These therapies, however, are time consuming and uncomfortable, demonstrating the need for pharmacological interventions. Recently, lipids have been identified that are released from tissues and act locally or systemically to promote insulin sensitivity and glucose tolerance; as a class, these lipids are referred to as 'lipokines'...
March 27, 2017: Nature Medicine
https://www.readbyqxmd.com/read/28346390/the-effect-and-mechanism-of-transdermal-penetration-enhancement-of-fu-s-cupping-therapy-new-physical-penetration-technology-for-transdermal-administration-with-traditional-chinese-medicine-tcm-characteristics
#15
Wei-Jie Xie, Yong-Ping Zhang, Jian Xu, Xiao-Bo Sun, Fang-Fang Yang
BACKGROUND: In this paper, a new type of physical penetration technology for transdermal administration with traditional Chinese medicine (TCM) characteristics is presented. Fu's cupping therapy (FCT), was established and studied using in vitro and in vivo experiments and the penetration effect and mechanism of FCT physical penetration technology was preliminarily discussed. METHODS: With 1-(4-chlorobenzoyl)-5-methoxy-2-methylindole-3-ylacetic acid (indomethacin, IM) as a model drug, the establishment of high, medium, and low references was completed for the chemical permeation system via in vitro transdermal tests...
March 27, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28346387/oprm1-c-118a-g-polymorphism-and-duration-of-morphine-treatment-associated-with-morphine-doses-and-quality-of-life-in-palliative-cancer-pain-settings
#16
Aline Hajj, Lucine Halepian, Nada El Osta, Georges Chahine, Joseph Kattan, Lydia Rabbaa Khabbaz
Despite increased attention on assessment and management, pain remains the most persistent symptom in patients with cancer, in particular in end-of-life settings, with detrimental impact on their quality-of-life (QOL). We conducted this study to evaluate the added value of determining some genetic and non-genetic factors to optimize cancer pain treatment. Eighty-nine patients were included in the study for the evaluation of palliative cancer pain management. The regression analysis showed that age, OPRM1 single nucleotide polymorphism (SNP), as well as the duration of morphine treatment were significantly associated with morphine doses at 24 h (given by infusion pump; p = 0...
March 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28346370/de-novo-assembly-annotation-and-characterization-of-root-transcriptomes-of-three-caladium-cultivars-with-a-focus-on-necrotrophic-pathogen-resistance-defense-related-genes
#17
Zhe Cao, Zhanao Deng
Roots are vital to plant survival and crop yield, yet few efforts have been made to characterize the expressed genes in the roots of non-model plants (root transcriptomes). This study was conducted to sequence, assemble, annotate, and characterize the root transcriptomes of three caladium cultivars (Caladium × hortulanum) using RNA-Seq. The caladium cultivars used in this study have different levels of resistance to Pythiummyriotylum, the most damaging necrotrophic pathogen to caladium roots. Forty-six to 61 million clean reads were obtained for each caladium root transcriptome...
March 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28346360/functional-analysis-of-the-ser149-thr149-variants-of-human-aspartylglucosaminidase-and-optimization-of-the-coding-sequence-for-protein-production
#18
Antje Banning, Jan F König, Steven J Gray, Ritva Tikkanen
Aspartylglucosaminidase (AGA) is a lysosomal hydrolase that participates in the breakdown of glycoproteins. Defects in the AGA gene result in a lysosomal storage disorder, aspartylglucosaminuria (AGU), that manifests mainly as progressive mental retardation. A number of AGU missense mutations have been identified that result in reduced AGA activity. Human variants that contain either Ser or Thr in position 149 have been described, but it is unknown if this affects AGA processing or activity. Here, we have directly compared the Ser149/Thr149 variants of AGA and show that they do not differ in terms of relative specific activity or processing...
March 26, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28346357/comparison-of-the-in-vivo-biotransformation-of-two-emerging-estrogenic-contaminants-bp2-and-bps-in-zebrafish-embryos-and-adults
#19
Vincent Le Fol, François Brion, Anne Hillenweck, Elisabeth Perdu, Sandrine Bruel, Selim Aït-Aïssa, Jean-Pierre Cravedi, Daniel Zalko
Zebrafish embryo assays are increasingly used in the toxicological assessment of endocrine disruptors. Among other advantages, these models are 3R-compliant and are fit for screening purposes. Biotransformation processes are well-recognized as a critical factor influencing toxic response, but major gaps of knowledge exist regarding the characterization of functional metabolic capacities expressed in zebrafish. Comparative metabolic studies between embryos and adults are even scarcer. Using ³H-labeled chemicals, we examined the fate of two estrogenic emerging contaminants, benzophenone-2 (BP2) and bisphenol S (BPS), in 4-day embryos and adult zebrafish...
March 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28346318/predictors-of-impaired-hdl-function-in-hiv-1-infected-compared-to-uninfected-individuals
#20
Theodoros Kelesidis, Michael N Oda, Mark S Borja, Yumin Yee, Kit F Ng, Diana Huynh, David Elashoff, Judith S Currier
OBJECTIVE: HDL function rather than absolute level may be a more accurate indicator for cardiovascular disease (CVD). Novel methods can measure HDL function using patient samples. The objective of this study is to identify factors that may contribute to HDL dysfunction in chronic, treated HIV-1 infection. DESIGN: Retrospective study of HDL function measured in two ways in HIV-1 infected males with low overall CVD risk and healthy males with no known CVD risk matched by race to the HIV-1 infected participants...
March 23, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
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