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https://www.readbyqxmd.com/read/28107781/a-rare-hla-genotype-in-two-siblings-with-type-1-diabetes-in-a-japanese-family-clustered-with-type-1-diabetes
#1
Yujiro Ina, Yumiko Kawabata, Ryuichi Sakamoto, Naotaka Sekiguchi, Hiroshi Ikegami
Multiplex families with type 1 diabetes are important for identification of rare variants that cannot be identified in case-control association studies. Very low incidence of type 1 diabetes in Japanese population, however, makes identification of such families difficult. We identified a Japanese family in which three members developed type 1 diabetes, and studied the genotype of the HLA. All three members with type 1 diabetes had the DRB1*08:02-DQB1*03:02 haplotype, which is specific to the Asian population and strongly susceptible for type 1 diabetes...
January 20, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28107776/activity-based-probes-for-the-multicatalytic-proteasome
#2
REVIEW
David S Hewings, John A Flygare, Ingrid E Wertz, Matthew Bogyo
Proteasomes are multisubunit protease complexes responsible for degrading most intracellular proteins. In addition to removing damaged proteins, they regulate many important cellular processes through the controlled degradation of transcription factors, cell cycle regulators and enzymes. Eukaryotic proteasomes have three catalytic subunits, β1, β2 and β5, that each have different substrate specificities. Additionally, although we know that diverse cell types express proteasome variants with distinct activity and specificity profiles, the functions of these different pools of proteasomes are not fully understood...
January 20, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28107760/intraneural-ganglion-cyst-of-the-ulnar-nerve-in-an-unusual-location-a-case-report
#3
Ufuk Öztürk, Ahmet Salduz, Mehmet Demirel, Tuna Pehlivanoğlu, Sevan Sivacioğlu
INTRODUCTION: Intraneural ganglion cysts are benign, mucinous, non-neoplastic lesions of the peripheral nerves. While the most common location of intraneural ganglion cysts is the ulnar nerve and its branches, intraneural ganglion cyst involving the superficial branch of the ulnar nerve has not yet been reported. PRESENTATION OF CASE: A-25-year-old woman presented with pain and a palpable mass in the hypothenar region of the volar side of her right hand. Her neuromuscular examination was normal...
January 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28107756/photocatalytic-reduction-of-cs-i-ions-removed-by-combined-maghemite-titania-pva-alginate-beads-from-aqueous-solution
#4
Zohreh Majidnia, Mohamad Ali Fulazzaky
The presence of Cs(I) ions in nuclear wastewater becomes an important issue for the reason of its high toxicity. The development of adsorbent embedded metal-based catalysts that has sufficient adsorption capacity is expected for the removal of Cs(I) ions from contaminated water. This study tested the use of maghemite, titania and combined maghemite-titania polyvinyl alcohol (PVA)-alginate beads as an adsorbent to remove Cs(I) ions from aqueous solution with the variables of pH and initial concentration using batch experiments under sunlight...
January 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28107752/genome-nuclear-lamina-interactions-from-cell-populations-to-single-cells
#5
REVIEW
J Omar Yáñez-Cuna, Bas van Steensel
Lamina-associated domains (LADs) are large genomic regions that interact with the nuclear lamina (NL) and help to guide the spatial folding of chromosomes in the interphase nucleus. LADs have been linked to gene repression and other functions. Recent studies have begun to uncover some of the molecular players that drive LAD-NL interactions. A picture emerges in which DNA sequence, chromatin components and nuclear lamina proteins play an important role. Complementary to this, imaging and single-cell genomics approaches have revealed that some LAD-NL interactions are variable from cell to cell, while others are very stable...
January 17, 2017: Current Opinion in Genetics & Development
https://www.readbyqxmd.com/read/28107751/molecular-modeling-study-of-cp-690550-derivatives-as-jak3-kinase-inhibitors-through-combined-3d-qsar-molecular-docking-and-dynamics-simulation-techniques
#6
Jing Li Wang, Li Ping Cheng, Tian Chi Wang, Wei Deng, Fan Hong Wu
To develop more potent JAK3 kinase inhibitors, a series of CP-690550 derivatives were investigated using combined molecular modeling techniques, such as 3D-QSAR, molecular docking and molecular dynamics (MD). The leave-one-out correlation (q(2)) and non-cross-validated correlation coefficient (r(2)) of the best CoMFA model are 0.715 and 0.992, respectively. The q(2) and r(2) values of the best CoMSIA model are 0.739 and 0.995, respectively. The steric, electrostatic, and hydrophobic fields played important roles in determining the inhibitory activity of CP-690550 derivatives...
January 4, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28107732/comparative-analysis-of-polyamine-metabolism-in-wheat-and-maize-plants
#7
Gabriella Szalai, Katalin Janda, Éva Darkó, Tibor Janda, Violeta Peeva, Magda Pál
In the present work changes in polyamine contents were investigated after various hydroponic polyamine treatments (putrescine, spermidine and spermine at 0.1, 0.3 and 0.5 mM concentrations) in two different crop species, wheat and maize. In contrast to putrescine, higher polyamines (spermidine and spermine) induced concentration-dependent oxidative damage in both crops, resulting in decreased biomass. The unfavourable effects of polyamines were more pronounced in the roots, and maize was more sensitive than wheat...
January 12, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28107731/natural-amelioration-of-zinc-oxide-nanoparticle-toxicity-in-fenugreek%C3%A2-trigonella-foenum-gracum-by-arbuscular-mycorrhizal-glomus-intraradices-secretion-of-glomalin
#8
Narges Ghasemi Siani, Seyfollah Fallah, Lok Raj Pokhrel, Ali Rostamnejadi
Owing to rising production and use of engineered nanoparticles (ENPs) in the myriad of consumer applications, ENPs are being released into the environment where their potential fate and effects have remained unclear. With naturally occurring arbuscular mycorrhizal fungus (AMF; Glomus intraradices) in soils, their influence (positive or negative) on ENPs toxicity in plants is not well documented. Herein, we investigated potential influence of AMF on the growth and development in fenugreek (Trigonella foenum-graecum) under varied Zinc oxide nanoparticles (ZnONPs) treatments (0, 125, 250, 375 and 500 μg g(-1))...
January 3, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28107717/diclofenac-can-exhibit-estrogenic-modes-of-action-in-male-xenopus-laevis-and-affects-the-hypothalamus-pituitary-gonad-axis-and-mating-vocalizations
#9
Norah Johanna Efosa, Wibke Kleiner, Werner Kloas, Frauke Hoffmann
Diclofenac (DCF) is a non-steroidal analgesic and antiphlogistic. Due to its tremendous use, DCF can be found in the environment, especially in sewage, but also surface waters, ground and drinking water. Previous studies indicated that DCF can modulate the reproductive physiology of fish by altering the expression of important key enzymes of the hypothalamus-pituitary-gonad-axis (HPG-axis) and might act as an estrogenic endocrine disrupting chemical (EDC). Other studies, however, demonstrated that DCF does not exhibit any estrogenicity...
January 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/28107711/the-influence-of-dissolved-si-on-ni-precipitate-formation-at-the-kaolinite-water-interface-kinetics-drs-and-exafs-analysis
#10
Xiaoli Tan, Ge Liu, Huiyang Mei, Ming Fang, Xuemei Ren, Changlun Chen
Unraveling the formation process of Ni precipitates at molecular scale is important for understanding the fate and mobility of Ni species in the real environment. Dissolved Si presents in the natural environment ubiquitously, which can alter Ni sorption as well as incorporation into neoformed precipitates. Batch experiments show that the dissolved Si leads to a rapid increase in the Ni sorption rate and interferes with the formation of Ni precipitates. The results of diffuse reflectance spectroscopy (DRS) and extended X-ray absorption fine structure (EXAFS) spectroscopy analyses suggest that the nucleation of a (Ni,Al) phyllosilicate phase involves a kaolinite-like local structure...
January 16, 2017: Chemosphere
https://www.readbyqxmd.com/read/28107704/the-threat-of-home-eviction-and-its-effects-on-health-through-the-equity-lens-a-systematic-review
#11
REVIEW
Hugo Vásquez-Vera, Laia Palència, Ingrid Magna, Carlos Mena, Jaime Neira, Carme Borrell
The aims of this review are to gather and systematize the currently available evidence on the effect of the threat of eviction on health and its eventual spillover effects, to assess the quality of the selected studies, and to describe how these findings vary with respect to dimensions of social inequity. We conducted a literature search in March 2016, which yielded 2208 unduplicated articles. The title, abstract and full text of these articles were reviewed by three independent pairs of researchers. We performed a quality assessment of each article, and evaluated whether health inequities had been considered...
January 9, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28107702/c1qbp-regulates-ybx1-to-suppress-the-androgen-receptor-ar-enhanced-rcc-cell-invasion
#12
Dan Yue, Yong Wang, Yin Sun, Yuanjie Niu, Chawnshang Chang
Early studies suggested that the androgen receptor (AR) might play important roles to promote the renal cell carcinoma (RCC) progression; however, the detailed mechanisms remain unclear. Here we demonstrated the higher YBX1 expression with lower C1QBP expression in human RCC clinical tissues, and the intensity of C1QBP was negatively correlated with the YBX1 nuclear expression. Mechanism dissection found C1QBP could interact with YBX1 to suppress the YBX1 activation via altering the YBX1 phosphorylation and nuclear translocation in RCC cells...
January 17, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28107700/comparative-pharmacokinetics-of-eight-major-bioactive-components-in-normal-and-bacterial-diarrhea-mini-pigs-after-oral-administration-of-gegen-qinlian-decoction
#13
Xiao Ling, Yuqiang Xiang, Qingfa Tang, Feilong Chen, Xiaomei Tan
Healthy animals are most widely used in current pharmacokinetic(PK) studies. However, neglecting the effects of specific diseases on drug absorption results in the PK parameters of those experiments not accurately reflecting in vivo drug concentration changes during treatment. In this study, an E. coli infective diarrheal minipig model was applied to explore the pharmacokinetics of Gegen Qinlian decoction (GQD). A simple and rapid ultrahigh performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method was developed to determine the concentrations of the eight GQD components in minipig plasma after intragastric administration of GQD...
January 11, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28107696/a-mini-review-of-c-met-as-a-potential-therapeutic-target-in-melanoma
#14
REVIEW
Doa'a G F Al-U'datt, Belal A A Al-Husein, Ghazi Raji Qasaimeh
Melanoma is the third highest rated cancer in prevalence. Surgery, radiotherapy and targeted/biological therapies in addition to chemotherapy are available options for management of this cancer. Met is an appealing target for management of this type of cancer, since it targets many cancer vital processors, such as angiogenesis, cell growth, scattering and differentiation. In this review, we provide an overview about pathway abnormalities associated with melanoma. We also provide a summary about the events involved in Met signaling and related signaling molecules...
January 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28107693/attrition-among-iranian-nursing-students-a-qualitative-study
#15
Mansoureh Ashghali Farahani, Fatemeh Ghaffari, Fatemeh Oskouie, Mansoureh Zagheri Tafreshi
Attrition is a major challenge facing nursing students that results in substantial costs on the education, health, and treatment systems across countries and can have an unwanted effect on the quality and quantity of health services provided as well as on the health of citizens. This descriptive study investigated nursing students' perceptions toward factors influencing attrition. We conducted a qualitative study using a content analysis approach. Nineteen students enrolled in nursing bachelor program were recruited using purposive and snowball sampling...
January 6, 2017: Nurse Education in Practice
https://www.readbyqxmd.com/read/28107691/plasma-phospholipid-changes-are-associated-with-response-to-chemotherapy-in-non-hodgkin-lymphoma-patients
#16
Zorica Cvetković, Maja Milošević, Bora Cvetković, Romana Masnikosa, Aleksandra Arsić, Snježana Petrović, Vesna Vučić
Limited studies have been performed to associate abnormal phospholipid (PL) profile and disease activity in hematological malignancies, including non-Hodgkin lymphoma (NHL). The aim of his study was to evaluate the levels of plasma PL fractions in NHL patients, in response to chemotherapy. Forty non-treated patients with NHL and 25 healthy individuals were recruited. Blood samples from patients were taken before chemotherapy, after 3 cycles and after the end of the treatment, and PL fractions were resolved by one-dimensional thin-layer chromatography...
January 5, 2017: Leukemia Research
https://www.readbyqxmd.com/read/28107682/happy-faces-sad-faces-emotion-understanding-in-toddlers-and-preschoolers-with-language-impairments
#17
Carolien Rieffe, Carin H Wiefferink
BACKGROUND: The capacity for emotion recognition and understanding is crucial for daily social functioning. We examined to what extent this capacity is impaired in young children with a Language Impairment (LI). In typical development, children learn to recognize emotions in faces and situations through social experiences and social learning. Children with LI have less access to these experiences and are therefore expected to fall behind their peers without LI. METHOD: In this study, 89 preschool children with LI and 202 children without LI (mean age 3 years and 10 months in both groups) were tested on three indices for facial emotion recognition (discrimination, identification, and attribution in emotion evoking situations)...
January 17, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28107664/safety-and-efficacy-of-cardiopoietic-stem-cells-in-the-treatment-of-post-infarction-left-ventricular-dysfunction-from-cardioprotection-to-functional-repair-in-a-translational-pig-infarction-model
#18
Maximilian Y Emmert, Petra Wolint, Andras Jakab, Sean P Sheehy, Francesco S Pasqualini, Thi Dan Linh Nguyen, Monika Hilbe, Burkhardt Seifert, Benedikt Weber, Chad E Brokopp, Dominika Macejovska, Etem Caliskan, Arnold von Eckardstein, Ruth Schwartlander, Viola Vogel, Volkmar Falk, Kevin Kit Parker, Mariann Gyöngyösi, Simon P Hoerstrup
To date, clinical success of cardiac cell-therapies remains limited. To enhance the cardioreparative properties of stem cells, the concept of lineage-specification through cardiopoietic-guidance has been recently suggested. However, so far, only results from murine studies and from a clinical pilot-trial in chronic heart-failure (CHF) are available, while systematic evidence of its therapeutic-efficacy is still lacking. Importantly, also no data from large animals or for other indications are available. Therefore, we here investigate the therapeutic-efficacy of human cardiopoietic stem cells in the treatment of post-infarction LV-dysfunction using a translational pig-model...
November 23, 2016: Biomaterials
https://www.readbyqxmd.com/read/28107655/discrimination-between-naphthacene-and-triphenylene-using-cellulose-tris-4-methylbenzoate-and-cellulose-tribenzoate-a-computational-study
#19
Yusuke Murakami, Tohru Shibata, Kazuyoshi Ueda
The mechanisms of naphthacene and triphenylene discrimination using commercially available cellulose tris(4-methylbenzoate) (CMB) and cellulose tribenzoate (CB) chiral stationary phases were investigated using molecular mechanics calculations. Naphthacene and triphenylene could be separated by liquid chromatography on CMB and CB, with triphenylene being eluted earlier than naphthacene on both phases. However, the corresponding separation factor is much larger for CMB than for CB. The docking of these polycyclic aromatic hydrocarbons to the above polymers suggested that the most important sites of CMB and CB for interacting with these hydrocarbons are located at equivalent positions, featuring a space surrounded by main chain glucose units and benzoyl side chains...
January 7, 2017: Carbohydrate Research
https://www.readbyqxmd.com/read/28107652/symbiont-derived-antimicrobials-contribute-to-the-control-of-the-lepidopteran-gut-microbiota
#20
Yongqi Shao, Bosheng Chen, Chao Sun, Keishi Ishida, Christian Hertweck, Wilhelm Boland
Insects develop efficient antimicrobial strategies to flourish in a bacterial world. It has long been proposed that native gut microbiota is an important component of host defense; however, the responsible species have rarely been isolated to elucidate the mechanism of action. Here we show that the dominant symbiotic bacterium Enterococcus mundtii associated with the generalist herbivore Spodoptera littoralis actively secretes a stable class IIa bacteriocin (mundticin KS) against invading bacteria, but not against other gut residents, facilitating the normal development of host gut microbiota...
January 19, 2017: Cell Chemical Biology
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