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https://www.readbyqxmd.com/read/28545186/gallium-nanoparticle-mediated-reduction-of-brain-specific-serine-protease-4-in-an-experimental-metastatic-cancer-model
#1
Enas M Moustafa, Marwa Abdelhameed Mohamed, Noura M Thabet
Purpose: Tumor growth and metastasis depend on angiogenesis; therefore, efforts are being made to develop specific angiogenic inhibitors. Gallium (Ga) is the second most common metal ion, after platinum, used in cancer treatment. Its activities are numerous and various. In the present study, we aimed to investigate the effect of Ga on brain metastasis arising from hepatocellular carcinoma (HCC). Materials and methods: Forty experimental rats (divided into 4 groups) received diethylnitrosamine (DEN) at a dose (20 mg/kg...
April 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28545156/the-boron-transporter-bnac4-bor1-1c-is-critical-for-inflorescence-development-and-fertility-under-boron-limitation-in-brassica-napus
#2
Quan Zhang, Haifei Chen, Mingliang He, Zhuqing Zhao, Hongmei Cai, Guangda Ding, Lei Shi, Fangsen Xu
Boron (B) is an essential micronutrient for plants, but the molecular mechanisms underlying the uptake and distribution of B in allotetraploid rapeseed (Brassica napus) are unclear. Here, we identified a B transporter of rapeseed, BnaC4.BOR1;1c, which expressed in shoot nodes and involved in distributing B to the reproductive organs. Transgenic Arabidopsis plants containing a BnaC4.BOR1;1c promoter-driven GUS reporter gene showed strong GUS activity in roots, nodal regions of the shoots and immature floral buds...
May 25, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28545049/first-cloned-bactrian-camel-camelus-bactrianus-calf-produced-by-interspecies-somatic-cell-nuclear-transfer-a-step-towards-preserving-the-critically-endangered-wild-bactrian-camels
#3
Nisar Ahmad Wani, Binoy S Vettical, Seung B Hong
Studies were conducted to explore the possibility of employing dromedary camel (Camelus dromedarius) oocytes as recipient cytoplasts for the development of interspecies somatic cell nuclear transfer (iSCNT) embryos using skin fibroblast cells of an adult Bactrian camel (Camelus bactrianus) and Llama (Llama glama) as donor nuclei. Also, the embryos reconstructed with Bactrian cells were transferred into the uterus of synchronized dromedary camel recipients to explore the possibility of using them as surrogate mothers...
2017: PloS One
https://www.readbyqxmd.com/read/28544814/optimization-of-liposomal-topotecan-for-use-in-treating-neuroblastoma
#4
Lina Chernov, Rebecca J Deyell, Malathi Anantha, Nancy Dos Santos, Roger Gilabert-Oriol, Marcel B Bally
The purpose of this work was to develop an optimized liposomal formulation of topotecan for use in the treatment of patients with neuroblastoma. Drug exposure time studies were used to determine that topotecan (Hycamtin) exhibited great cytotoxic activity against SK-N-SH, IMR-32 and LAN-1 neuroblastoma human cell lines. Sphingomyelin (SM)/cholesterol (Chol) and 1,2-distearoyl-sn-glycero-3-phosphocholine (DSPC)/Chol liposomes were prepared using extrusion methods and then loaded with topotecan by pH gradient and copper-drug complexation...
May 23, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28544751/constitutional-abnormalities-of-idh1-combined-with-secondary-mutations-predispose-a-patient-with-maffucci-syndrome-to-acute-lymphoblastic-leukemia
#5
Shinsuke Hirabayashi, Masafumi Seki, Daisuke Hasegawa, Motohiro Kato, Nobuyuki Hyakuna, Takuya Shuo, Shunsuke Kimura, Kenichi Yoshida, Keisuke Kataoka, Yoichi Fujii, Yuichi Shiraishi, Kenichi Chiba, Hiroko Tanaka, Nobutaka Kiyokawa, Satoru Miyano, Seishi Ogawa, Junko Takita, Atsushi Manabe
Maffucci syndrome is a nonhereditary disorder caused by somatic mosaic isocitrate dehydrogenase 1 or 2 (IDH1 or IDH2) mutations and is characterized by multiple enchondromas along with hemangiomas. Malignant transformation of enchondromas to chondrosarcomas and secondary neoplasms, such as brain tumors or acute myeloid leukemia, are serious complications. A 15-year-old female with Maffucci syndrome developed B-cell precursor acute lymphoblastic leukemia (BCP-ALL). A somatic mutation in IDH1 was detected in hemangioma and leukemic cells...
May 24, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28544660/altered-secretion-of-sertoli-cells-hormones-in-2-year-old-prepubertal-cryptorchid-boys-a-cross-sectional-study
#6
S M Hamdi, T Almont, P Galinier, R Mieusset, P Thonneau
In cryptorchid boys, failures in germ cell development have been clearly established. Some studies reported some abnormalities in Sertoli cells morphology but the results regarding their endocrine secretion remain controversial. To compare testicular hormone levels in young boys with and without cryptorchidism, we performed a cross-sectional hospital-based study. From surgery appointment records, we identified a case group of boys with unilateral or bilateral cryptorchidism and a control group undergoing dental care, minor osteoarticular or dermal surgery...
May 23, 2017: Andrology
https://www.readbyqxmd.com/read/28544542/conditional-macrophage-depletion-increases-inflammation-and-does-not-inhibit-the-development-of-osteoarthritis-in-obese-mafia-mice
#7
Chia-Lung Wu, Jenna McNeill, Kelsey Goon, Dianne Little, Kelly Kimmerling, Janet Huebner, Virginia Kraus, Farshid Guilak
OBJECTIVE: Macrophages are believed to play a critical role in the inflammation associated with the development of osteoarthritis (OA) in obesity. The objective of the study was to investigate whether short-term, systemic depletion of macrophages would mitigate OA following injury in obese mice. METHODS: CSF-1R-GFP(+) Macrophage Fas-Induced Apoptosis (MaFIA) transgenic mice that allow conditional depletion of macrophages were placed on a high-fat diet and underwent surgery to induce knee OA...
May 23, 2017: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/28544508/enhancement-of-plasma-protein-adsorption-and-osteogenesis-of-hmscs-by-functionalized-siloxane-coatings-for-titanium-implants
#8
Maria Martínez-Ibáñez, N Sanjeeva Murthy, Yong Mao, Julio Suay, Marilo Gurruchaga, Isabel Goñi, Joachim Kohn
A series of sol-gel derived silicon based coatings were developed to improve the osseointegration of commercial titanium dental implants. The osseointegration starts with a positive interaction between the implant surface and surrounding tissues, which is facilitated by the adsorption of plasma proteins onto the biomaterial surface immediately after implantation. It is likely that the enhancement of protein adsorption to titanium implants leads to a better implant/tissue integration. In addition, silica based biomaterials have been shown to promote osteoblast differentiation...
May 25, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28544385/korean-red-ginseng-extract-enhances-the-anticancer-effects-of-sorafenib-through-abrogation-of-creb-and-c-jun-activation-in-renal-cell-carcinoma
#9
Chulwon Kim, Jong Hyun Lee, Seung Ho Baek, Jeong-Hyeon Ko, Dongwoo Nam, Kwang Seok Ahn
Although application of sorafenib in the treatment of human renal cell carcinoma (RCC) remains one of the best examples of successful targeted therapy, majority of RCC patients suffer from its side effects as well as develop resistance to this targeted therapy. Thus, there is a need to promote novel alternative therapies for the treatment of RCC. In this study, we investigated whether Korean red ginseng extract (KRGE) could inhibit the proliferation and induce chemosensitization in human renal cancer cells...
May 22, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28544327/genetic-variation-at-the-th2-immune-gene-il13-is-associated-with-ige-mediated-paediatric-food-allergy
#10
S E Ashley, H-T T Tan, R Peters, K J Allen, P Vuillermin, S C Dharmage, M L K Tang, J Koplin, A Lowe, A-L Ponsonby, J Molloy, M C Matheson, R Saffery, J A Ellis, D Martino
BACKGROUND: Food allergies pose a considerable world-wide public health burden with incidence as high as one in ten in 12-month-old infants. Few food allergy genetic risk variants have yet been identified. The Th2 immune gene IL13 is a highly plausible genetic candidate as it is central to the initiation of IgE class switching in B cells. OBJECTIVE: Here, we sought to investigate whether genetic polymorphisms at IL13 are associated with the development of challenge-proven IgE-mediated food allergy...
April 24, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28544224/quantification-of-specific-t-and-b-cells-immunological-markers-in-children-with-chronic-and-transient-itp
#11
Sarina Levy-Mendelovich, Atar Lev, Shraga Aviner, Nurit Rosenberg, Caim Kaplinsky, Nechama Sharon, Hagit Miskin, Aviya Dvir, Gili Kenet, Irit Eisen Schushan, Raz Somech
BACKGROUND: Immune thrombocytopenic purpura (ITP) is characterized by a transient (nonchronic) or permanent (chronic) decline in the number of platelets. Predicting the course of ITP, at the time of diagnosis, is of importance. Here we studied at diagnosis, clinical and immunological parameters in order to distinguish between different courses. The latter included the measure of new B and T cells using quantification of kappa-deleting recombination excision circles (KRECs) and T-cell receptor excision circles (TRECs), respectively...
May 22, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28544101/belatacept-combined-with-transient-calcineurin-inhibitor-therapy-prevents-rejection-and-promotes-improved-long-term-renal-allograft-function
#12
A B Adams, J Goldstein, C Garrett, R Zhang, R E Patzer, K A Newell, N A Turgeon, A S Chami, A Guasch, A D Kirk, S O Pastan, T C Pearson, C P Larsen
Belatacept, a T cell costimulation-blocker demonstrated superior renal function, lower cardiovascular risk, and improved graft/patient survival in renal transplant recipients. Despite the potential benefits, adoption of belatacept has been limited in part due to concerns regarding higher rates and grades of acute rejection in clinical trials. Since July 2011 we have utilized belatacept-based immunosuppression regimens in clinical practice. In this retrospective analysis of 745 patients undergoing renal transplantation at our center, we compared patients treated with belatacept (n=535) to a historical cohort receiving a tacrolimus-based protocol (n=205)...
May 23, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28543553/enhanced-acquired-antibodies-to-a-chimeric-plasmodium-falciparum-antigen-ub05-09-is-associated-with-protective-immunity-against-malaria
#13
Dinga Jerome Nyhalah, Gamua Stanley Dobgima, Vincent PrydeKehdingha Titanji
It has been shown that covalently linking two antigens could enhance the immunogenicity of the chimeric construct. To prioritise such a chimera for malaria vaccine development it is necessary to demonstrate that naturally acquired antibodies against the chimera are associated with protection from malaria. Here we probe the ability of a chimeric construct of UB05 and UB09 antigens (UB05-09) to better differentiate between acquired immune protection and susceptibility to malaria. In a cross-sectional study, recombinant UB05-09 chimera and the constituent antigens were used to probe for specific antibodies in the plasma from children and adults resident in a malaria endemic zone, using the enzyme-linked immunosorbent assay (ELISA)...
May 24, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28543084/population-pharmacokinetics-and-exposure-response-assessment-of-cc-292-a-potent-btk-inhibitor-in-patients-with-chronic-lymphocytic-leukemia
#14
Yan Li, Francisco Ramírez-Valle, Yongjun Xue, Judith I Ventura, Olivier Gouedard, Jay Mei, Kenichi Takeshita, Maria Palmisano, Simon Zhou
CC-292, a potent Bruton tyrosine kinase inhibitor, is under development for the treatment of B-cell malignancies. An analysis was performed to develop a population pharmacokinetic model of CC-292 and assess the influence of demographics and disease-related covariates on CC-292 exposure and to assess the exposure-response (overall response rate) relationship in patients with chronic lymphocytic leukemia. Population pharmacokinetic analysis was based on a 2-compartment base model conducted in NONMEM. Categorical exposure-response analysis was performed using logistic regression in SAS...
May 19, 2017: Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28543069/real-time-dynamic-mr-image-reconstruction-using-compressed-sensing-and-principal-component-analysis-cs-pca-demonstration-in-lung-tumor-tracking
#15
Bryson Dietz, Eugene Yip, Jihyun Yun, B Gino Fallone, Keith Wachowicz
PURPOSE: This work presents a real-time dynamic image reconstruction technique, that combines compressed sensing and principal component analysis (CS-PCA), to achieve real-time adaptive radiotherapy with the use of a linac-magnetic resonance imaging system. METHODS: Six retrospective fully sampled dynamic data sets of patients diagnosed with non-small cell lung cancer were used to investigate the CS-PCA algorithm. Using a database of fully sampled k-space, principal components (PC's) were calculated to aid in the reconstruction of undersampled images...
May 19, 2017: Medical Physics
https://www.readbyqxmd.com/read/28542787/understanding-the-reconstitution-of-the-b-cell-compartment-in-bone-marrow-and-blood-after-treatment-for-b-cell-precursor-acute-lymphoblastic-leukaemia
#16
Prisca M J Theunissen, Anouk van den Branden, Alita Van Der Sluijs-Gelling, Valerie De Haas, Auke Beishuizen, Jacques J M van Dongen, Vincent H J Van Der Velden
A better understanding of the reconstitution of the B-cell compartment during and after treatment in B-cell precursor acute lymphoblastic leukaemia (BCP-ALL) will help to assess the immunological status and needs of post-treatment BCP-ALL patients. Using 8-colour flow cytometry and proliferation-assays, we studied the composition and proliferation of both the B-cell precursor (BCP) population in the bone marrow (BM) and mature B-cell population in peripheral blood (PB) during and after BCP-ALL therapy. We found a normal BCP differentiation pattern and a delayed formation of classical CD38(dim) -naive mature B-cells, natural effector B-cells and memory B-cells in patients after chemotherapy...
May 25, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28542265/ovarian-features-in-white-tailed-deer-odocoileus-virginianus-fawns-and-does
#17
G D A Gastal, A Hamilton, B G Alves, S G S de Tarso, J M Feugang, W J Banz, G A Apgar, C K Nielsen, E L Gastal
The knowledge about ovarian reserve is essential to determine the reproductive potential and to improve the methods of fertility control for overpopulated species, such as white-tailed deer (Odocoileus virginianus). The goal of this study was to evaluate the effect of age on the female reproductive tract of white-tailed deer, focusing on ovarian features. Genital tracts from 8 prepubertal and 10 pubertal females were used to characterize the preantral follicle population and density, morphology, distribution of follicular classes; stromal cell density; and apoptosis in the ovary...
2017: PloS One
https://www.readbyqxmd.com/read/28542170/human-mutations-in-integrator-complex-subunits-link-transcriptome-integrity-to-brain-development
#18
Renske Oegema, David Baillat, Rachel Schot, Leontine M van Unen, Alice Brooks, Sima Kheradmand Kia, A Jeannette M Hoogeboom, Zheng Xia, Wei Li, Matteo Cesaroni, Maarten H Lequin, Marjon van Slegtenhorst, William B Dobyns, Irenaeus F M de Coo, Frans W Verheijen, Andreas Kremer, Peter J van der Spek, Daphne Heijsman, Eric J Wagner, Maarten Fornerod, Grazia M S Mancini
Integrator is an RNA polymerase II (RNAPII)-associated complex that was recently identified to have a broad role in both RNA processing and transcription regulation. Importantly, its role in human development and disease is so far largely unexplored. Here, we provide evidence that biallelic Integrator Complex Subunit 1 (INTS1) and Subunit 8 (INTS8) gene mutations are associated with rare recessive human neurodevelopmental syndromes. Three unrelated individuals of Dutch ancestry showed the same homozygous truncating INTS1 mutation...
May 25, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28541580/genes-and-gene-clusters-related-to-genotype-and-drought-induced-variation-in-saccharification-potential-lignin-content-and-wood-anatomical-traits-in-populus-nigra%C3%A2
#19
Henning Wildhagen, Shanty Paul, Mike Allwright, Hazel K Smith, Marta Malinowska, Sabine K Schnabel, M João Paulo, Federica Cattonaro, Vera Vendramin, Simone Scalabrin, Dennis Janz, Cyril Douthe, Oliver Brendel, Cyril Buré, David Cohen, Irène Hummel, Didier Le Thiec, Fred van Eeuwijk, Joost J B Keurentjes, Jaume Flexas, Michele Morgante, Paul Robson, Marie-Béatrice Bogeat-Triboulot, Gail Taylor, Andrea Polle
Wood is a renewable resource that can be employed for the production of second generation biofuels by enzymatic saccharification and subsequent fermentation. Knowledge on how the saccharification potential is affected by genotype-related variation of wood traits and drought is scarce. Here, we used three Populus nigra L. genotypes from habitats differing in water availability to (i) investigate the relationships between wood anatomy, lignin content and saccharification and (ii) identify genes and co-expressed gene clusters related to genotype and drought-induced variation in wood traits and saccharification potential...
May 24, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28541271/protein-altering-and-regulatory-genetic-variants-near-gata4-implicated-in-bicuspid-aortic-valve
#20
Bo Yang, Wei Zhou, Jiao Jiao, Jonas B Nielsen, Michael R Mathis, Mahyar Heydarpour, Guillaume Lettre, Lasse Folkersen, Siddharth Prakash, Claudia Schurmann, Lars Fritsche, Gregory A Farnum, Maoxuan Lin, Mohammad Othman, Whitney Hornsby, Anisa Driscoll, Alexandra Levasseur, Marc Thomas, Linda Farhat, Marie-Pierre Dubé, Eric M Isselbacher, Anders Franco-Cereceda, Dong-Chuan Guo, Erwin P Bottinger, G Michael Deeb, Anna Booher, Sachin Kheterpal, Y Eugene Chen, Hyun Min Kang, Jacob Kitzman, Heather J Cordell, Bernard D Keavney, Judith A Goodship, Santhi K Ganesh, Gonçalo Abecasis, Kim A Eagle, Alan P Boyle, Ruth J F Loos, Per Eriksson, Jean-Claude Tardif, Chad M Brummett, Dianna M Milewicz, Simon C Body, Cristen J Willer
Bicuspid aortic valve (BAV) is a heritable congenital heart defect and an important risk factor for valvulopathy and aortopathy. Here we report a genome-wide association scan of 466 BAV cases and 4,660 age, sex and ethnicity-matched controls with replication in up to 1,326 cases and 8,103 controls. We identify association with a noncoding variant 151 kb from the gene encoding the cardiac-specific transcription factor, GATA4, and near-significance for p.Ser377Gly in GATA4. GATA4 was interrupted by CRISPR-Cas9 in induced pluripotent stem cells from healthy donors...
May 25, 2017: Nature Communications
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