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https://www.readbyqxmd.com/read/28821707/molecular-bases-for-differential-aging-programs-between-flag-and-second-leaves-during-grain-filling-in-rice
#1
Shinyoung Lee, Hyobin Jeong, Sichul Lee, Jinwon Lee, Sun-Ji Kim, Ji-Won Park, Hye Ryun Woo, Pyung Ok Lim, Gynheung An, Hong Gil Nam, Daehee Hwang
Flag leaves (FL) and second leaves (SL) in rice show differential aging patterns during monocarpic senescence. Coordination of aging programs between FL and SL is important for grain yield and quality. However, the molecular bases for differential aging programs between FL and SL have not been systematically explored in rice. Here, we performed mRNA-sequencing of FL and SL at six time points during grain-filling and identified four molecular bases for differential aging programs between FL and SL: phenylpropanoid biosynthesis, photosynthesis, amino acid (AA) transport, and hormone response...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28803697/tumor-necrosis-factor-alpha-gene-polymorphisms-and-haplotypes-in-egyptian-children-with-nephrotic-syndrome
#2
Doaa M Youssef, Amal S El-Shal, Samia Hussein, Khaled Salah, Abd El Rahman E Ahmed
BACKGROUND: Nephrotic syndrome (NS) characterized by complex pathogenesis and clinical course with relapses; and needs novel breakthroughs for decades. Polymorphisms of cytokines genes including tumor necrosis factor alpha (TNF-α)may influence susceptibility to NS as well as different patients' steroid responses. In the current study, we demonstrated the potential roles of TNF-α promoter gene polymorphisms [-238, -308, -863] and haplotypes in susceptibility to childhood NS. Also, elucidating their possible influence on patients' steroid response and serum TNF-α level...
August 10, 2017: Cytokine
https://www.readbyqxmd.com/read/28780584/platelet-derived-growth-factor-alpha-pdgfr%C3%AE-induces-the-activation-of-cardiac-fibroblasts-by-activating-c-kit
#3
Lexun Wang, Yuan Yue, Xiao Yang, Tian Fan, Bo Mei, Jian Hou, Mengya Liang, Guangxian Chen, Zhongkai Wu
BACKGROUND Enhanced platelet-derived growth factor receptor a (PDGFRα) signaling pathway activity leads to cardiac fibrosis. However, because of the pleiotropic effects of PDGFR signaling, its role in mediating the cardiac fibrotic response remains poorly understood. This study aimed to investigate the regulatory effect of c-Kit in cardiac fibroblasts activated by PDGFRa signaling. MATERIAL AND METHODS A cardiac fibrosis mice model was induced using isoproterenol, and the heart tissues of mice were tested through western blotting and real-time quantitative PCR (RT-qPCR)...
August 6, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28755932/relationships-between-postruminal-casein-infusion-and-milk-production-and-concentrations-of-plasma-amino-acids-and-blood-urea-in-dairy-cows-a-multilevel-mixed-effects-meta-analysis
#4
R Martineau, D R Ouellet, E Kebreab, R R White, H Lapierre
The relationships between postruminal casein infusion and production variables and concentrations of plasma AA and blood urea were evaluated using multilevel mixed-effects models derived from literature data collected in dairy cows. The data set contained 147 treatment means [i.e., 66 controls (CTL) and 81 casein-infused (CAS) means]. Each CAS mean was paired with its corresponding CTL mean to create 81 mean differences (CAS minus CTL), which were analyzed as absolute and percentage-based units (i.e., percentage increase or decrease in CAS relative to CTL)...
July 26, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28745926/safety-and-efficacy-of-empirical-interleukin-1-inhibition-using-anakinra-in-aa-amyloidosis-of-uncertain-aetiology
#5
Thirusha Lane, Ashutosh D Wechalekar, Julian D Gillmore, Philip N Hawkins, Helen J Lachmann
OBJECTIVE: AA amyloidosis is a serious complication of persistent inflammation, which, untreated will progress to renal failure and death. Effective suppression of the underlying inflammatory disease is the focus of treatment. However, in approximately 20% of cases the underlying condition remains uncertain, presenting a dilemma as to choice of treatment. METHODS: We conducted a retrospective study of a cohort of 11 patients diagnosed with AA amyloidosis of unknown aetiology, who had been empirically treated with anakinra...
July 26, 2017: Amyloid: the International Journal of Experimental and Clinical Investigation
https://www.readbyqxmd.com/read/28744160/impact-of-abiraterone-on-patient-related-outcomes-in-metastatic-castration-resistant-prostate-cancer-current-perspectives
#6
REVIEW
Joelle El-Amm, Rami Nassabein, Jeanny B Aragon-Ching
Abiraterone acetate has established a major role in the treatment paradigm of metastatic castration-resistant prostate cancer ever since pivotal trials, COU-AA-301 and COU-AA-302, have shown benefit in both the second-line and first-line (post- and pre-chemotherapy) setting, respectively, with improvement in overall survival as well as secondary end points such as prostate-specific antigen (PSA) and radiographic response rates, time to PSA progression, and progression-free survival. There has been a lot of interest and emphasis in the evaluation of patient-related outcomes (PROs) as it relates to quality of life, pain, adverse events, fatigue, and among others, in the use of different agents that have been shown to improve survival...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/28729842/a-gene-based-analysis-of-acoustic-startle-latency
#7
Alicia K Smith, Tanja Jovanovic, Varun Kilaru, Adriana Lori, Lauren Gensler, Samuel S Lee, Seth Davin Norrholm, Nicholas Massa, Bruce Cuthbert, Bekh Bradley, Kerry J Ressler, Erica Duncan
Latency of the acoustic startle response is the time required from the presentation of startling auditory stimulus until the startle response is elicited and provides an index of neural processing speed. Latency is prolonged in subjects with schizophrenia compared to controls in some but not all studies and is 68-90% heritable in baseline startle trials. In order to determine the genetic association with latency as a potential inroad into genetically based vulnerability to psychosis, we conducted a gene-based study of latency followed by an independent replication study of significant gene findings with a single-nucleotide polymorphism (SNP)-based analysis of schizophrenia and control subjects...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28723520/bone-scan-index-as-an-imaging-biomarker-in-metastatic-castration-resistant-prostate-cancer-a-multicentre-study-based-on-patients-treated-with-abiraterone-acetate-zytiga-in-clinical-practice
#8
Mariana Reza, Mattias Ohlsson, Reza Kaboteh, Aseem Anand, Ingela Franck-Lissbrant, Jan-Erik Damber, Anders Widmark, Camilla Thellenberg-Karlsson, Lars Budäus, Thomas Steuber, Till Eichenauer, Per Wollmer, Lars Edenbrandt, Elin Trägårdh, Anders Bjartell
BACKGROUND: Abiraterone acetate (AA) prolongs survival in metastatic castration-resistant prostate cancer (mCRPC) patients. To measure treatment response accurately in bone, quantitative methods are needed. The Bone Scan Index (BSI), a prognostic imaging biomarker, reflects the tumour burden in bone as a percentage of the total skeletal mass calculated from bone scintigraphy. OBJECTIVE: To evaluate the value of BSI as a biomarker for outcome evaluation in mCRPC patients on treatment with AA according to clinical routine...
December 2016: European Urology Focus
https://www.readbyqxmd.com/read/28711668/genome-wide-characterization-and-expression-analysis-of-the-aldehyde-dehydrogenase-aldh-gene-superfamily-under-abiotic-stresses-in-cotton
#9
Xinlei Guo, Yuanyuan Wang, Hejun Lu, Xiaoyan Cai, Xingxing Wang, Zhongli Zhou, Chunying Wang, Yuhong Wang, Zhenmei Zhang, Kunbo Wang, Fang Liu
In plants, aldehyde dehydrogenases (ALDHs) function as 'aldehyde scavengers' by removing reactive aldehydes and thus play important roles in stress responses. To date, 30 ALDHs have been identified in Gossypium raimondii, whereas ALDHs have not been studied in Gossypium arboreum or in tetraploid cotton. In this study, we identified 30, 59 and 59 aldehyde dehydrogenase (ALDH) genes from G. arboreum, G. hirsutum and G. barbadense, respectively. Gene structure analysis revealed that members of the same family exhibit similar exon-intron structures and structural domains, and all members of the ALDH18 family possess a distinct AA-kinase domain...
July 12, 2017: Gene
https://www.readbyqxmd.com/read/28708208/relationship-between-clinical-toxicities-and-ercc1-rs3212986-and-xrcc3-rs861539-polymorphisms-in-cervical-cancer-patients
#10
Sílvia Soares, Augusto Nogueira, Ana Coelho, Joana Assis, Deolinda Pereira, Isabel Bravo, Rui Medeiros
BACKGROUND: Several studies have suggested that there are single nucleotide polymorphisms (SNPs) that can be considered potential biomarkers in the prognosis and therapeutic response of cancer patients. The present study investigated the association between ERCC1 rs3212986 and XRCC3 rs861539 polymorphisms and clinical toxicities induced by chemoradiotherapy (CRT) in cervical cancer. METHODS: This hospital-based retrospective cohort study included 260 patients with cervical cancer, FIGO stages Ib2-IVa, who underwent CRT (cisplatin)...
July 7, 2017: International Journal of Biological Markers
https://www.readbyqxmd.com/read/28703131/egfr-rs11506105-and-ifnl3-snps-but-not-rs8099917-are-strongly-associated-with-treatment-responses-in-iranian-patients-with-chronic-hepatitis-c
#11
M Asnavandi, M Zargar, F Vaziri, F R Jamnani, S Gharibzadeh, A Fateh, S D Siadat
Interferon lambda 3 (IFNL3) and epidermal growth factor receptor (EGFR) single nucleotide polymorphisms (SNPs) may play a key role in the spontaneous clearance of hepatitis C virus (HCV) and treatment responses. The aim of this study was to evaluate the effect of IFNL3 SNPs and EGFR rs11506105 on treatment outcomes in patients with chronic HCV (CHC). IFNL3 SNPs and EGFR rs11506105 were genotyped by PCR-restriction fragment length polymorphism and PCR-sequencing, respectively, in 235 naïve patients with CHC infection...
July 13, 2017: Genes and Immunity
https://www.readbyqxmd.com/read/28678803/ph-responsive-n-succinyl-chitosan-poly-acrylamide-co-acrylic-acid-hydrogels-and-in-vitro-release-of-5-fluorouracil
#12
Shahid Bashir, Yin Yin Teo, Sumaira Naeem, S Ramesh, K Ramesh
There has been significant progress in the last few decades in addressing the biomedical applications of polymer hydrogels. Particularly, stimuli responsive hydrogels have been inspected as elegant drug delivery systems capable to deliver at the appropriate site of action within the specific time. The present work describes the synthesis of pH responsive semi-interpenetrating network (semi-IPN) hydrogels of N-succinyl-chitosan (NSC) via Schiff base mechanism using glutaraldehyde as a crosslinking agent and Poly (acrylamide-co-acrylic acid)(Poly (AAm-co-AA)) was embedded within the N-succinyl chitosan network...
2017: PloS One
https://www.readbyqxmd.com/read/28672060/phytochemical-and-biological-activities-of-pseudocalymma-elegans-a-false-garlic
#13
Sana Wahid, Muhammad Ali Versiani, Sajid Jahangir, Khurshid Jawaid, Maryam Shafique, Huma Khan, Shaheen Faizi
Evaluation of phytochemical constituents and antioxidant and antimicrobial activities of hexane (PELH), dichloromethane (PELDCM), ethyl acetate (PELEA) and methanolic (PELM) extracts of young leaves of P. elegans have been carried out. Moreover, extracts have also been explored for the presence of sulphur containing compounds, 1, 2-dithiolane (33), diallyl disulphide (35), 3-Vinyl-1,2-dithiacyclohex-5-ene (37), diallyl trisulphide (38) responsible for the garlic like smell of P. elegans. All the extracts were found to be antioxidant and showed potent inhibition with IC50 values 0...
July 3, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28667536/natural-monoclonal-antibody-to-oxidized-low-density-lipoprotein-and-aggregatibacter-actinomycetemcomitans
#14
Chunguang Wang, Sohvi Hörkkö
Natural antibodies are produced by B lymphocytes without exogenous antigenic exposure and are present at the time of birth. They usually bind to conserved epitopes on antigens of different chemical compositions. We cloned and characterized a natural mouse monoclonal IgM antibody (Aa_Mab) by selecting the binding to malondialdehyde acetaldehyde (MAA) adducts on low-density lipoprotein (LDL). The data showed that the Aa_Mab cross-reacted with Aggregatibacter actinomycetemcomitans (Aa) bacteria, an important oral pathogen in periodontitis associated with atherosclerosis...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28655452/high-dose-abiraterone-acetate-in-men-with-castration-resistant-prostate-cancer
#15
Terence W Friedlander, Julie N Graff, Kreshnik Zejnullahu, Archana Anantharaman, Li Zhang, Rosa Paz, Gayatri Premasekharan, Carly Russell, Yong Huang, Won Kim, Rahul R Aggarwal, Amy M Lin, Lawrence Fong, Joshi J Alumkal, Tomasz M Beer, Nima Sharifi, Mohammad Alyamani, Ryan Dittamore, Eric J Small, Pamela L Paris, Charles J Ryan
BACKGROUND: Abiraterone acetate (AA) inhibits androgen biosynthesis and prolongs survival in men with metastatic castration-resistant prostate cancer (mCRPC) when combined with prednisone (P). Resistance to therapy remains incompletely understood. In this open-label, single-arm, multicenter phase II study we investigated the clinical benefit of increasing the dose of AA at the time of resistance to standard-dose therapy. PATIENTS AND METHODS: Eligible patients had progressive mCRPC and started AA 1000 mg daily and P 5 mg twice daily...
June 3, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28641178/stimulatory-effect-of-aggregatibacter-actinomycetemcomitans-dna-on-proinflammatory-cytokine-expression-by-human-gingival-fibroblasts
#16
Uriel Soto-Barreras, Gabriela Cortés-Sandoval, Ruben Dominguez-Perez, Alejandra Loyola-Leyva, Panfilo-Raymundo Martinez-Rodriguez, Juan Pablo Loyola-Rodriguez
OBJECTIVE: While different virulence factors have been reported of Aggregatibacter actinomycetemcomitans (Aa), there is little information about the stimulatory effect of its DNA. The main purpose of this study was to assess the inflammatory response of human gingival fibroblasts (HGFs) stimulated with A. actinomycetemcomitans DNA. DESIGN: Cytokine levels of IL-6, IL-1α and TNF-α were measured on the supernatant of HGFs activated with 10, 25, 50 and 100μg/ml DNA of Aa during 24h...
June 15, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28633550/right-fronto-temporal-eeg-can-differentiate-the-affective-responses-to-award-winning-advertisements
#17
Regina W Y Wang, Shy-Peih Huarng, Shang-Wen Chuang
Affective engineering aims to improve service/product design by translating the customer's psychological feelings. Award-winning advertisements (AAs) were selected on the basis of the professional standards that consider creativity as a prerequisite. However, it is unknown if AA is related to satisfactory advertising performance among customers or only to the experts' viewpoints towards the advertisements. This issue in the field of affective engineering and design merits in-depth evaluation. We recruited 30 subjects and performed an electroencephalography (EEG) experiment while watching AAs and non-AAs (NAAs)...
April 28, 2017: International Journal of Neural Systems
https://www.readbyqxmd.com/read/28630426/the-down-regulation-of-slc7a11-enhances-ros-induced-p-gp-over-expression-and-drug-resistance-in-mcf-7-breast-cancer-cells
#18
Chun Ge, Bei Cao, Dong Feng, Fang Zhou, Jingwei Zhang, Na Yang, Siqi Feng, Guangji Wang, Jiye Aa
Adriamycin (ADR) induces the over-expression of P-glycoprotein (P-gp) and multiple drug resistance in breast cancer cells. However, the biochemical process and underlying mechanisms are not clear. Our previous study revealed that ADR increased reactive oxygen species (ROS) generation and decreased glutathione (GSH) biosynthesis, while N-acetylcysteine, the ROS scavenger, reversed the over-expression of P-gp. The present study showed that ADR inhibited the influx of cystine (the source material of GSH) and the activity of the SLC7A11 transporter (in charge of cystine uptake) in MCF-7 cells...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28629017/design-of-a-new-nanocomposite-between-bismuth-nanoparticles-and-graphene-oxide-for-development-of-electrochemical-sensors
#19
Eduardo H Bindewald, Arthur F Schibelbain, Maurício A P Papi, Eduardo G C Neiva, Aldo J G Zarbin, Márcio F Bergamini, Luiz H Marcolino-Júnior
This study describes a new route for preparation of a nanocomposite between graphene oxide (GO) and bismuth nanoparticles (BiNPs) and its evaluation as modifier electrode for development of electrochemical sensors. BiNPs were synthesized under ultrasound conditions using Bi(NO3)3 as metal precursor and ascorbic acid (AA) as reducing agent/passivating. Some experimental parameters of BiNPs synthesis such as Bi(3+):AA molar ratio and reaction time were conducted aiming the best voltammetric performance of the sensor...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28606861/the-molecular-characterizations-of-cu-znsod-and-mnsod-and-its-responses-of-mrna-expression-and-enzyme-activity-to-aeromonas-hydrophila-or-lipopolysaccharide-challenge-in-qihe-crucian-carp-carassius-auratus
#20
Xianghui Kong, Dan Qiao, Xianliang Zhao, Li Wang, Jie Zhang, Dandan Liu, Hongxu Zhang
Superoxide dismutases (SODs), as the prime antioxidant enzymes, present the first line of defense against oxidative stress caused by excessive reactive oxygen species (ROS) in organism. In the study, two distinct members of SOD family were cloned and analyzed in Qihe crucian carp Carassius auratus (designated as CaCu/ZnSOD and CaMnSOD, respectively). The full-length cDNA of CaCu/ZnSOD is 759 bp, containing a 5' -untranslated region (UTR) of 39 bp, a ORF (including stop codon, TAG) of 465 bp and a 3'-UTR of 255 bp...
August 2017: Fish & Shellfish Immunology
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