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https://www.readbyqxmd.com/read/28636932/ubiquitination-linked-phosphorylation-of-the-fanci-s-tq-cluster-contributes-to-activation-of-the-fanconi-anemia-i-d2-complex
#1
Ronald S Cheung, Maria Castella, Antonio Abeyta, Philip R Gafken, Nyka Tucker, Toshiyasu Taniguchi
Repair of interstrand crosslinks by the Fanconi anemia (FA) pathway requires both monoubiquitination and de-ubiquitination of the FANCI/FANCD2 (FANCI/D2) complex. In the standing model, the phosphorylation of six sites in the FANCI S/TQ cluster domain occurs upstream of, and promotes, FANCI/D2 monoubiquitination. We generated phospho-specific antibodies against three different S/TQ cluster sites (serines 556, 559, and 565) on human FANCI and found that, in contrast to the standing model, distinct FANCI sites were phosphorylated either predominantly upstream (ubiquitination independent; serine 556) or downstream (ubiquitination-linked; serines 559 and 565) of FANCI/D2 monoubiquitination...
June 20, 2017: Cell Reports
https://www.readbyqxmd.com/read/28636618/de-novo-transcriptome-of-the-mayfly-cloeon-viridulum-and-transcriptional-signatures-of-prometabola
#2
Qin Si, Juan-Yan Luo, Ze Hu, Wei Zhang, Chang-Fa Zhou
Mayflies (Ephemeroptera) display many primitive characters and a unique type of metamorphosis (Prometabola). However, information on the genomes and transcriptomes of this insect group is limited. The RNA sequencing study presented here generated the first de novo transcriptome assembly of Cloeon viridulum (Ephemeroptera: Baetidae), and compared gene expression signatures among the young larva (YL), mature larva (ML), subimago (SI), and imago (IM) stages of this mayfly. The transcriptome, based on 88 Gb of sequence data, comprised a set of 81,185 high quality transcripts...
2017: PloS One
https://www.readbyqxmd.com/read/28636406/protective-effect-of-intravitreal-administration-of-exosomes-derived-from-mesenchymal-stem-cells-on-retinal-ischemia
#3
Elad Moisseiev, Johnathon D Anderson, Sharon Oltjen, Mayank Goswami, Robert J Zawadzki, Jan A Nolta, Susanna S Park
PURPOSE: Exosomes derived from human mesenchymal stem cells (hMSCs) cultured under hypoxic conditions contain proteins and growth factors that promote angiogenesis. This study investigated the effect of intravitreal administration of these exosomes on retinal ischemia using a murine model. METHODS: Oxygen-induced retinopathy (OIR) was induced by exposing one-week-old male C57BL/6J mice to 5 days of 75% hyperoxic conditioning, and returning to room air. After hyperoxic conditioning, the right eye of each mouse was injected intravitreally with 1 µl saline or exosomes derived from hMSCs and compared to control mice of the same age raised in room air without OIR injected intravitreally with saline...
June 21, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28635608/the-protective-role-of-folic-acid-against-testicular-dysfunction-in-lead-intoxicated-rat-model
#4
Asmaa Ms Gomaa, Nasser S Abou Khalil, Mohammed A Abdel-Ghani
There is an increasing concern over male reproductive toxicity caused by lead exposure. Folic acid (FA) is supposed to be a promising therapeutic strategy against lead toxicity. Therefore, the aim of this experimental study was to shed light on the potential protective role of FA on lead-induced testicular dysfunction in rats and its possible underlying mechanistic pathways. Rats (n = 24) were divided into four groups: Control, FA, Lead, and FA+Lead group. After 4 weeks, lead intoxication resulted in a marked reduction in the relative testicular weight and the serum level of testosterone, an impairment in the characters of semen analysis, and an increased content of lead, malondialdehyde and both interleukin-6 and -10 and a decreased antioxidant enzyme levels in the testicular tissue homogenate...
July 2017: General Physiology and Biophysics
https://www.readbyqxmd.com/read/28635564/arthroscopic-fixation-of-acute-acromioclavicular-joint-disruption-with-tightrope%C3%A2-outcome-and-complications-after-minimum-2-2-5-years-follow-up
#5
Li-Feng Zhang, Bo Yin, Su Hou, Bing Han, De-Fa Huang
PURPOSE: To evaluate the midterm results of arthroscopic reconstruction of acute acromioclavicular (AC) joint disruption using TightRope™ system. METHODS AND MATERIAL: We retrospectively assess the results of 24 patients of acute AC joint dislocation who were operated using TightRope system. Constant and University of California, Los Angeles (UCLA) scores and coracoclavicular distance were calculated pre- and postoperatively. Data was entered into MS excel and analyzed using the SPSS version 17...
May 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28634400/chronic-treatment-with-cisplatin-induces-chemoresistance-through-the-tip60-mediated-fanconi-anemia-and-homologous-recombination-repair-pathways
#6
Wen-Pin Su, Yen-Chih Ho, Cheng-Kuei Wu, Sen-Huei Hsu, Jia-Lin Shiu, Jheng-Cheng Huang, Song-Bin Chang, Wen-Tai Chiu, Jan-Jong Hung, Tsung-Lin Liu, Wei-Sheng Wu, Pei-Yu Wu, Wu-Chou Su, Jang-Yang Chang, Hungjiun Liaw
The Fanconi anemia pathway in coordination with homologous recombination is essential to repair interstrand crosslinks (ICLs) caused by cisplatin. TIP60 belongs to the MYST family of acetyltransferases and is involved in DNA repair and regulation of gene transcription. Although the physical interaction between the TIP60 and FANCD2 proteins has been identified that is critical for ICL repair, it is still elusive whether TIP60 regulates the expression of FA and HR genes. In this study, we found that the chemoresistant nasopharyngeal carcinoma cells, derived from chronic treatment of cisplatin, show elevated expression of TIP60...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28634047/the-study-of-the-intervertebral-disc-microstructure-in-matured-rats-with-diffusion-kurtosis-imaging
#7
Li Li, Wenzhen Zhu, Weiwei Chen, Jicheng Fang, Jing Li
OBJECTIVES: The aim of this study was to use DKI to detect the microstructural change of the discs in matured normal rats. METHODS: Total 24 normal SD rats (12 males/12 females) underwent DWI/DKI and T2 sequences with a 3T MRI scanner to get the values of ADC, FA, MD, Da, Dr, MK, Ka and Kr. The discs were categorized using a five-grade degeneration grading system in the T2-images. The height of the discs and the parameters in DWI/DKI were measured to compare between the different grades and sexes...
June 17, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28633813/multi-stimuli-responsive-smart-chitosan-based-microcapsules-for-targeted-drug-delivery-and-triggered-drug-release
#8
Xuejun Cui, Xinyu Guan, Shuangling Zhong, Jie Chen, Houjuan Zhu, Zhanfeng Li, Fengzhi Xu, Peng Chen, Hongyan Wang
In the present study, we designed a novel, multi-stimuli responsive, biocompatible and non-immunogenic smart carrier for targeted delivery and triggered release of hydrophobic drugs. The designed multi-stimuli responsive smart chitosan-based microcapsules (MSRS-CS-MCs) have been fabricated successfully from folic acid (FA) functionalized thiolated chitosan via a facile sonochemical method. Targeting moiety FA and red fluorescent dye (Rhodamine B isothiocyanate, RITC) were immobilized onto the shells of microcapsules...
September 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28633686/polymorphisms-of-the-tnf-%C3%AE-gene-interact-with-plasma-fatty-acids-on-inflammatory-biomarker-profile-a-population-based-cross-sectional-study-in-s%C3%A3-o-paulo-brazil
#9
Erica Oki, Marina N Norde, Antônio A F Carioca, José M P Souza, Inar A Castro, Dirce M L Marchioni, Regina M Fisberg, Marcelo M Rogero
The aim of the present study was to investigate the relationship of four TNF-α SNP with inflammatory biomarkers and plasma fatty acids (FA), and the interaction among them in a population-based, cross-sectional study in São Paulo, Brazil. A total of 281 subjects, aged >19 and <60 years, participated in a cross-sectional, population-based study performed in Brazil. The following SNP spanning the TNF-α gene were genotyped: -238G/A (rs361525), -308G/A (rs1800629), -857C/T (rs1799724) and -1031T/C (rs1799964)...
June 21, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28633499/lateralized-basal-ganglia-vulnerability-to-pesticide-exposure-in-asymptomatic-agricultural-workers
#10
Mechelle M Lewis, Nicholas W Sterling, Guangwei Du, Eun-Young Lee, Grace Shyu, Michael Goldenberg, Thomas Allen, Christy Stetter, Lan Kong, Shedra Amy Snipes, Byron C Jones, Honglei Chen, Richard B Mailman, Xuemei Huang
Background: Pesticide exposure is linked to Parkinson's disease (PD), a neurodegenerative disorder marked by dopamine cell loss in the substantia nigra of the basal ganglia (BG) that often presents asymmetrically. We previously reported that pesticide-exposed agricultural workers (AW) have nigral diffusion tensor (DTI) changes. The current study sought to confirm this finding, and explore its hemisphere and regional specificity within BG structures using an independent sample population...
June 19, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28633498/thymol-as-natural-antioxidant-additive-for-poultry-feed-oxidative-stability-improvement
#11
A Luna, R C Lema-Alba, J S Dambolena, J A Zygadlo, M C Labaque, R H Marin
Antioxidant are regularly included in poultry feed as protection from deterioration during storage. Recently the interest for the use of natural phytochemicals in animal diets has been increased. Thymol (THY) has been proven to be an effective antioxidant for extending broiler meat quality during storage with similar action to the widely used butylated hydroxytoluene (BHT). This study evaluates whether THY can also have a protective effect on the feed mash by assessing its antioxidant potential and related changes in fatty acid (FA) balance...
June 17, 2017: Poultry Science
https://www.readbyqxmd.com/read/28632747/selective-cyclooxygenase-inhibition-by-sc-560-improves-hepatopulmonary-syndrome-in-cirrhotic-rats
#12
Ching-Chih Chang, Wen-Shin Lee, Hsian-Guey Hsieh, Chiao-Lin Chuang, Hui-Chun Huang, Fa-Yauh Lee, Shou-Dong Lee
OBJECTIVE: Hepatopulmonary syndrome (HPS) is characterized by hypoxia in patients with chronic liver disease. The mechanism of HPS includes pulmonary vasodilatation, inflammation, and angiogenesis. Prostaglandins synthesized by cyclooxygenases (COX) participate in vascular responsiveness, inflammation and angiogenesis, which can be modulated by COX inhibitors. We therefore evaluated the impact of COX inhibition in rats with common bile duct ligation (CBDL)-induced liver cirrhosis and HPS...
2017: PloS One
https://www.readbyqxmd.com/read/28632263/fabrication-of-a-graphene-c60-nanohybrid-via-%C3%AE-cyclodextrin-host-guest-chemistry-for-photodynamic-and-photothermal-therapy
#13
Zhen Hu, Cheng Wang, Feng Zhao, Xirong Xu, Shuhong Wang, Long Yu, Dayu Zhang, Yudong Huang
The wonderful chemical structures and characteristics of low-dimensional carbon materials have exciting applications in life sciences. In the present study, we developed a facile strategy to conjugate C60 with graphene via host-guest chemistry for targeted phototherapy. A versatile carrier based on folic acid-functionalized graphene (GO-FA) and comprising γ-cyclodextrin (γ-CD) at its surface was assembled via π-π interaction, creating hybrid structures with drug storage and tumor targeting properties. This γ-CD-modified graphene (GO-FA/Py-γ-CD) is capable of hosting pristine C60 molecules for the fabrication of a GO-FA/Py-γ-CD/C60 nanohybrid...
June 20, 2017: Nanoscale
https://www.readbyqxmd.com/read/28631276/comparison-of-two-different-analysis-approaches-for-dti-free-water-corrected-and-uncorrected-maps-in-the-study-of-white-matter-microstructural-integrity-in-individuals-with-depression
#14
Maurizio Bergamino, Rayus Kuplicki, Teresa V Victor, Yoon-Hee Cha, Martin P Paulus
Diffusion tensor imaging (DTI) has often been used to examine white matter (WM) tract abnormalities in depressed subjects, but these studies have yielded inconsistent results, probably, due to gender composition or small sample size. In this study, we applied different analysis pipelines to a relatively large sample of individuals with depression to determine whether previous findings in depression can be replicated with these pipelines. We used a "standard" DTI algorithm and maps computed through a free-water (FW) corrected DTI...
June 20, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28631178/recent-insights-into-the-molecular-basis-of-fanconi-anemia-genes-modifiers-and-drivers
#15
REVIEW
Ronald S Cheung, Toshiyasu Taniguchi
Fanconi anemia (FA), the most common form of inherited bone marrow failure, predisposes to leukemia and solid tumors. FA is caused by the genetic disruption of a cellular pathway that repairs DNA interstrand crosslinks. The impaired function of this pathway, and the genetic instability that results, is considered the main pathogenic mechanism behind this disease. The identification of breast cancer susceptibility genes (for example, BRCA1/FANCS and BRCA2/FANCD1) as being major players in the FA pathway has led to a surge in molecular studies, resulting in the concept of the FA-BRCA pathway...
June 19, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28631070/lipids-of-the-tail-gland-body-and-muzzle-fur-of-the-red-fox-vulpes-vulpes
#16
Stuart McLean, Noel W Davies, David S Nichols
The tail gland of the red fox (Vulpes vulpes) secretes lipids containing volatile terpenes used in social communication. We have analysed lipids extracted from fur of the tail gland, body (flanks) and muzzle of foxes. GC-MS showed a novel group of iso-valerate and tiglate monoesters of alkane-1,2-diols (C18:0-22:0). There was also a larger group of Type II diesters in which a second, longer chain, fatty acid (FA) was attached to the free alcohol group. LC-MS showed the full range of diol diesters, mostly C36:0-50:0, with smaller amounts of the corresponding mono-unsaturated tiglate esters...
June 19, 2017: Lipids
https://www.readbyqxmd.com/read/28630475/utilization-of-a-wheat660k-snp-array-derived-high-density-genetic-map-for-high-resolution-mapping-of-a-major-qtl-for-kernel-number
#17
Fa Cui, Na Zhang, Xiao-Li Fan, Wei Zhang, Chun-Hua Zhao, Li-Juan Yang, Rui-Qing Pan, Mei Chen, Jie Han, Xue-Qiang Zhao, Jun Ji, Yi-Ping Tong, Hong-Xia Zhang, Ji-Zeng Jia, Guang-Yao Zhao, Jun-Ming Li
In crop plants, a high-density genetic linkage map is essential for both genetic and genomic researches. The complexity and the large size of wheat genome have hampered the acquisition of a high-resolution genetic map. In this study, we report a high-density genetic map based on an individual mapping population using the Affymetrix Wheat660K single-nucleotide polymorphism (SNP) array as a probe in hexaploid wheat. The resultant genetic map consisted of 119 566 loci spanning 4424.4 cM, and 119 001 of those loci were SNP markers...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28629946/phytol-induced-pathology-in-2-hydroxyacyl-coa-lyase-hacl1-deficient-mice-evidence-for-a-second-non-hacl1-related-lyase
#18
Serena Mezzar, Evelyn De Schryver, Stanny Asselberghs, Els Meyhi, Petruta L Morvay, Myriam Baes, Paul P Van Veldhoven
2-Hydroxyacyl-CoA lyase (HACL1) is a key enzyme of the peroxisomal α-oxidation of phytanic acid. To better understand its role in health and disease, a mouse model lacking HACL1 was investigated. Under normal conditions, these mice did not display a particular phenotype. However, upon dietary administration of phytol, phytanic acid accumulated in tissues, mainly in liver and serum of KO mice. As a consequence of phytanic acid (or a metabolite) toxicity, KO mice displayed a significant weight loss, absence of abdominal white adipose tissue, enlarged and mottled liver and reduced hepatic glycogen and triglycerides...
June 16, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28629743/association-study-of-childhood-food-allergy-with-gwas-discovered-loci-of-atopic-dermatitis-and-eosinophilic-esophagitis
#19
Tomomitsu Hirota, Tsuguhisa Nakayama, Sakura Sato, Noriyuki Yanagida, Teruaki Matsui, Shiro Sugiura, Yuri Takaoka, Nobuyuki Hizawa, Shigeharu Fujieda, Akihiko Miyatake, Takashi Sasaki, Masayuki Amagai, Satoru Doi, Komei Ito, Motohiro Ebisawa, Mayumi Tamari
We found associations between FA and 14 GWAS-identified loci of AD and EoE: C11orf30/LRRC32, TMEM232/SLC25A46, TNFRSF6B/ZGPAT, OVOL1, KIF3A/IL13, GLB1, CCDC80, ZNF365, OR10A3/NLRP10, IL2/IL21, CLEC16A/DEXI, ZNF652, TSLP/WDR36 and STAT6. These findings improve our understanding of the complex heterogeneity of FA.
June 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28629742/statistical-differences-in-the-white-matter-tracts-in-subjects-with-depression-by-using-different-skeletonized-voxel-wise-analysis-approaches-and-dti-fitting-procedures
#20
Maurizio Bergamino, Madison Farmer, Hung-Wen Yeh, Elisabeth Paul, J Paul Hamilton
Major depressive disorder (MDD) is one of the most significant contributors to the global burden of illness. Diffusion tensor imaging (DTI) is a procedure that has been used in several studies to characterize abnormalities in white matter (WM) microstructural integrity in MDD. These studies, however, have provided divergent findings, potentially due to the large variety of methodological alternatives available in conducting DTI research. In order to determine the importance of different approaches to coregistration of DTI-derived metrics to a standard space, we compared results from two different skeletonized voxel-wise analysis approaches: the standard TBBS pipeline and the Advanced Normalization Tools (ANTs) approach incorporating a symmetric image normalization (SyN) algorithm and a group-wise template (ANTs TBSS)...
June 16, 2017: Brain Research
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