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https://www.readbyqxmd.com/read/28322923/microspheres-prime-rmva-boost-vaccination-enhances-humoral-and-cellular-immune-response-in-ifnar-mice-conferring-protection-against-serotypes-1-and-4-of-bluetongue-virus
#1
Alejandro Marín-López, Eva Calvo-Pinilla, Diego Barriales, Gema Lorenzo, Javier Benavente, Alejandro Brun, Jose Manuel Martínez-Costas, Javier Ortego
Bluetongue virus (BTV) is the causative agent of bluetongue disease (BT), which affects domestic and wild ruminants. At the present, 27 different serotypes have been documented. Vaccination has been demonstrated as one of the most effective methods to avoid viral dissemination. To overcome the drawbacks associated with the use of inactivated and attenuated vaccines we engineered a new recombinant BTV vaccine candidate based on proteins VP2, VP7, and NS1 of BTV-4 that were incorporated into avian reovirus muNS-Mi microspheres (MS-VP2/VP7/NS1) and recombinant modified vaccinia virus Ankara (rMVA)...
March 16, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28302039/bone-degeneration-inflammation-and-secondary-complications-of-arthritis-potential-targets-and-their-natural-inhibitors
#2
Mahadevappa Hemshekhar, Ram M Thushara, Somanatahpura K NaveenKumar, Paul Manoj, Mahalingam S Sundaram, Kempaiah Kemparaju, Kesturu S Girish
Arthritis is marked with joint deterioration that affects articular cartilage and subchondral bone. Though cartilage degradation is a major damage during arthritis, the subsequent bone loss cannot be neglected. Progress in the arthritis research has identified clinical importance of bone erosion in destructive arthritis. Studies have showed the key role played by osteoclasts and receptor activator of nuclear factor kappaB ligand (RANKL) signaling in bone erosion. Cathepsins and tartrate resistant acid phosphatase (TRAP) are considered key enzymatic factors contributing to bone erosion...
March 15, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28294170/exploring-inter-organ-crosstalk-to-uncover-mechanisms-that-regulate-%C3%AE-cell-function-and-mass
#3
REVIEW
J Shirakawa, D F De Jesus, R N Kulkarni
Impaired β-cell function and insufficient β-cell mass compensation are twin pathogenic features that underlie type 2 diabetes (T2D). Current therapeutic strategies continue to evolve to improve treatment outcomes in different ethnic populations and include approaches to counter insulin resistance and improve β-cell function. Although the effects of insulin secretion on metabolic organs such as liver, skeletal muscle and adipose is directly relevant for improving glucose uptake and reduce hyperglycemia, the ability of pancreatic β-cells to crosstalk with multiple non-metabolic tissues is providing novel insights into potential opportunities for improving β-cell function and/or mass that could have beneficial effects in patients with diabetes...
March 15, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28293201/accessibility-of-referent-information-influences-sentence-planning-an-eye-tracking-study
#4
Lesya Y Ganushchak, Agnieszka E Konopka, Yiya Chen
This study investigated the time-course of online sentence formulation (i.e., incrementality in sentence planning) as a function of the preceding discourse context. In two eye-tracking experiments, participants described pictures of transitive events (e.g., a frog catching a fly). The accessibility of the agent (Experiment 1) and patient (Experiment 2) was manipulated in the discourse preceding each picture. In the Literal condition, participants heard a story where the agent or patient was mentioned explicitly (fly, frog)...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28292778/small-incision-guarded-hydroaspiration-of-iris-lesions
#5
Arun D Singh
AIM: To describe the technique and results of a minimally invasive surgical technique for resection of small iris lesions. METHODS: Consecutive case series of 22 patients with localised, small iris lesions that were resected using the described surgical technique that composed of multiple, small corneal incisions created to allow for internal iris resection with 23-gauge horizontal vitrectomy scissors, followed by guarded tumour aspiration through a clear plastic tubing (diameter 3...
March 14, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28284060/phosphite-shifts-physiological-and-hormonal-profile-of-monterey-pine-and-delays-fusarium-circinatum-progression
#6
Andreia Cerqueira, Artur Alves, Helder Berenguer, Barbara Correia, Aurelio Gómez-Cadenas, Julio Javier Diez, Pedro Monteiro, Glória Pinto
Fusarium circinatum is the causal agent of pitch canker disease affecting Pinus spp. and Pseudotsuga menziesii worldwide. Under strict quarantine measures, alternative approaches for disease control are necessary. Phosphite (Phi) salts are known for their fungicidal activity and as plant resistance elicitors; however, its potential is yet to be acknowledged in the Pinus-F. circinatum model. The main aim of this study was to assess whether the application of a Phi-based commercial formulation would delay the progression of the pitch canker on Pinus radiata plants, and on the in vitro fungal growth...
February 27, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28283749/contingency-and-contiguity-of-imitative-behaviour-affect-social-affiliation
#7
David Dignath, Paul Lotze-Hermes, Harry Farmer, Roland Pfister
Actions of others automatically prime similar responses in an agent's behavioural repertoire. As a consequence, perceived or anticipated imitation facilitates own action control and, at the same time, imitation boosts social affiliation and rapport with others. It has previously been suggested that basic mechanisms of associative learning can account for behavioural effects of imitation, whereas a possible role of associative learning for affiliative processes is poorly understood at present. Therefore, this study examined whether contingency and contiguity, the principles of associative learning, affect also the social effects of imitation...
March 10, 2017: Psychological Research
https://www.readbyqxmd.com/read/28277900/influence-of-maternal-vaccination-against-diphtheria-tetanus-and-pertussis-on-the-avidity-of-infant-antibody-responses-to-a-pertussis-containing-vaccine-in-belgium
#8
Raïssa Nadège Caboré, Kirsten Maertens, Alexandre Dobly, Elke Leuridan, Pierre Van Damme, Kris Huygen
Maternal antibodies induced by vaccination during pregnancy cross the placental barrier and can close the susceptibility gap to pertussis in young infants up to the start of primary immunization. As not only the quantity but also the quality of circulating antibodies is important for protection, we assessed whether maternal immunization affects the avidity of infant vaccine-induced IgG antibodies, in the frame of a prospective clinical trial on pregnancy vaccination in Belgium. Infants born from Tdap (Boostrix®) vaccinated (N = 55) and unvaccinated (N = 26) mothers were immunized with a hexavalent pertussis containing vaccine (Infanrix Hexa®) at 8, 12 and 16 weeks, followed by a fourth dose at 15 months of age...
February 22, 2017: Virulence
https://www.readbyqxmd.com/read/28274042/evaluation-of-the-shear-bond-strength-of-composite-resin-to-wet-and-dry-enamel-using-dentin-bonding-agents-containing-various-solvents
#9
Carounanidy Usha, Sathyanarayanan Ramarao, Bindu Meera John, Praveen Rajesh, S Swatha
INTRODUCTION: Bonding of composite resin to dentin mandates a wet substrate whereas, enamel should be dry. This may not be easily achievable in intracoronal preparations where enamel and dentin are closely placed to each other. Therefore, Dentin Bonding Agents (DBA) are recommended for enamel and dentinal bonding, where enamel is also left moist. A research question was raised if the "enamel-only" preparations will also benefit from wet enamel bonding and contemporary DBA. AIM: The aim of this study was to compare the shear bond strengths of composite resin, bonded to dry and wet enamel using fifth generation DBA (etch and rinse system) containing various solvents such as ethanol/water, acetone and ethanol...
January 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28249155/pharmacologic-targeting-of-s6k1-in-pten-deficient-neoplasia
#10
Hongqi Liu, Xizhi Feng, Kelli N Ennis, Catherine A Behrmann, Pranjal Sarma, Tony T Jiang, Satoshi Kofuji, Liang Niu, Yiwen Stratton, Hala Elnakat Thomas, Sang-Oh Yoon, Atsuo T Sasaki, David R Plas
Genetic S6K1 inactivation can induce apoptosis in PTEN-deficient cells. We analyzed the therapeutic potential of S6K1 inhibitors in PTEN-deficient T cell leukemia and glioblastoma. Results revealed that the S6K1 inhibitor LY-2779964 was relatively ineffective as a single agent, while S6K1-targeting AD80 induced cytotoxicity selectively in PTEN-deficient cells. In vivo, AD80 rescued 50% of mice transplanted with PTEN-deficient leukemia cells. Cells surviving LY-2779964 treatment exhibited inhibitor-induced S6K1 phosphorylation due to increased mTOR-S6K1 co-association, which primed the rapid recovery of S6K1 signaling...
February 28, 2017: Cell Reports
https://www.readbyqxmd.com/read/28229976/immune-modulation-by-dendritic-cell-based-cancer-vaccines
#11
REVIEW
Chaitanya Kumar, Sakshi Kohli, Poonamalle Parthasarathy Bapsy, Ashok Kumar Vaid, Minish Jain, Venkata Sathya Suresh Attili, Bandana Sharan
The interplay between host immunity and tumour cells has opened the possibility of targeting tumour cells by modulation of the human immune system. Cancer immunotherapy involves the treatment of a tumour by utilizing the recombinant human immune system components to target the pro-tumour microenvironment or by revitalizing the immune system with the ability to kill tumour cells by priming the immune cells with tumour antigens. In this review, current immunotherapy approaches to cancer with special focus on dendritic cell (DC)-based cancer vaccines are discussed...
March 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/28226194/melatonin-systemically-ameliorates-drought-stress-induced-damage-in-medicago-sativa-plants-by-modulating-nitro-oxidative-homeostasis-and-proline-metabolism
#12
Chrystalla Antoniou, Giannis Chatzimichail, Rafaella Xenofontos, Giannis Pavlou, Evangelia Panagiotou, Anastasis Christou, Vasileios Fotopoulos
Recent reports have uncovered the multifunctional role of melatonin in plant physiological responses under optimal and sub-optimal environmental conditions. In this study, we explored whether melatonin pretreatment could provoke priming effects in alfalfa (Medicago sativa L.) plants subsequently exposed to prolonged drought stress (7 days), by withholding watering. Results revealed that the rhizospheric application of melatonin (10 μM) remarkably enhanced the drought tolerance of alfalfa plants, as evidenced by the observed plant tolerant phenotype, as well as by the higher levels of chlorophyll fluorescence and stomatal conductance, compared with non-treated drought-stressed plants...
February 22, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28216948/averrhoa-bilimbi-linn-a-review-of-its-ethnomedicinal-uses-phytochemistry-and-pharmacology
#13
REVIEW
Alhassan Muhammad Alhassan, Qamar Uddin Ahmed
Averrhoa bilimbi Linn. is principally cultivated for medicinal purposes in many tropical and subtropical countries of the world. Literature survey about this plant shows that A. bilimbi is mainly used as a folk medicine in the treatment of diabetes mellitus, hypertension, and as an antimicrobial agent. The prime objective of this review is to accumulate and organize literature based on traditional claims and correlate those with current findings on the use of A. bilimbi in the management of different ailments...
October 2016: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/28216902/feeble-antipyretic-analgesic-and-anti-inflammatory-activities-were-found-with-regular-dose-4-o-%C3%AE-d-glucosyl-5-o-methylvisamminol-one-of-the-conventional-marker-compounds-for-quality-evaluation-of-radix-saposhnikoviae
#14
Jing-Ming Yang, Hua Jiang, Hong-Liang Dai, Zi-Wei Wang, Gui-Zhi Jia, Xiang-Cai Meng
INTRODUCTION: 4'-O-β-D-glucosyl-5-O-methylvisamminol (GML) is a conventional marker compound for quality control of Radix Saposhnikoviae. Despite that, neither pharmacodynamic or pharmacokinetic information is available with regard to GML. As such, the aim of thisstudy was to assess the conventional evaluation indices for the quality of Radix Saposhnikoviae. MATERIALS AND METHODS: Pyretic animal model, hot plate test, and ear edema model were established to evaluate and compare the antipyretic, analgesic, and anti-inflammatory effect of the chromone derivativescimifugin, prime-O-glucosylcimifugin (PGCN), and GML in Radix Saposhnikoviae...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28215531/smac-mimetics-to-therapeutically-target-iap-proteins-in-cancer
#15
S Fulda
Inhibitor of Apoptosis (IAP) proteins are overexpressed in a variety of human cancers. Therefore, they are considered as promising targets for the design of therapeutic strategies. Smac mimetics mimic the endogenous mitochondrial protein Smac that antagonizes IAP proteins upon its release into the cytosol. Multiple preclinical studies have documented the ability of Smac mimetics to either directly induce cell death of cancer cells or to prime them to agents that trigger cell death. At present, several Smac mimetics are being evaluated in early clinical trials...
2017: International Review of Cell and Molecular Biology
https://www.readbyqxmd.com/read/28208020/graphene-oxide-induced-perturbation-to-plasma-membrane-and-cytoskeletal-meshwork-sensitize-cancer-cells-to-chemotherapeutic-agents
#16
Jianqiang Zhu, Ming Xu, Ming Gao, Zhihong Zhang, Yong Xu, Tian Xia, Sijin Liu
The outstanding physicochemical properties endow graphene materials (e.g., graphene oxide, GO) with beneficial potentials in diverse biomedical fields such as bioimaging, drug delivery, and biomolecular detection. GO recently emerged as a chemosensitizer; however, the detailed molecular basis underlying GO-conducted sensitization and corresponding biological effects are still elusive. Based on our recent findings that GO treatment at sublethal concentrations could impair the general cellular priming state, including disorders of plasma membrane and cytoskeleton construction, we aimed here to explore the mechanism of GO as a sensitizer to make cancer cells more susceptible to chemotherapeutic agents...
February 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28195289/mechanisms-of-absorption-and-desorption-of-co2-by-molten-nano3-promoted-mgo
#17
Seung-Ik Jo, Young-In An, Kang-Yeong Kim, Seo-Yeong Choi, Jin-Su Kwak, Kyung-Ryul Oh, Young-Uk Kwon
In order to realize carbon capture and sequestration (CCS), a technology proposed to circumvent the global warming problem while maintaining the present level of economic activity, the development of efficient carbon-capturing agents is of prime importance. In addition to the prevailing amine-based agents that operate at temperatures lower than 200 °C, agents that can operate at higher temperatures are being considered to reduce the cost of CCS. For the mid-temperature (200-500 °C) operation, alkali nitrate-promoted MgO is a promising candidate; whose detailed reaction mechanisms are not yet fully understood, however...
February 14, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28182330/heat-shock-protein-27-hsp27-hspb1-is-synthetic-lethal-to-cells-with-oncogenic-activation-of-met-egfr-and-braf
#18
John David Konda, Martina Olivero, Daniele Musiani, Simona Lamba, Maria Flavia Di Renzo
The small Heat Shock Protein of 27 KDa (HSP27) is highly expressed in many cancers and is associated with aggressive tumor behaviour, metastasis, poor prognosis and resistance to chemotherapy. We aimed at assessing the role of HSP27 in modulating responses to target therapies. We selected several oncogene-addicted cancer cell lines, which undergo either cell cycle blockade or cell death in response to agents that target the specific oncogene. Surprisingly, HSP27 suppression alone resulted in the apoptotic death of MET-addicted EBC-1 lung cancer cells, EGFR-addicted colorectal carcinoma DiFi cells and BRAF-addicted colorectal carcinoma COLO205 and OXCO-1 and melanoma COLO741 cells, all of which also undergo death when treated with the specific targeted agent...
February 9, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28179907/a-dna-vaccine-formulated-with-chemical-adjuvant-provides-partial-protection-against-bovine-herpes-virus-infection-in-cattle
#19
Valeria Quattrocchi, Ivana Soria, Cecilia Ana Langellotti, Victoria Gnazzo, Mariela Gammella, Dadin P Moore, Patricia I Zamorano
Bovine herpesvirus-1 (BoHV-1) is the causative agent of bovine infectious rhinotracheitis, an important disease worldwide. Although conventional BoHV-1 vaccines, including those based on the use of modified live virus and also inactivated vaccines, are currently used in many countries, they have several disadvantages. DNA vaccines have emerged as an attractive approach since they have the potential to induce both humoral and cellular immune response; nevertheless, it is largely known that potency of naked DNA vaccines is limited...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28178658/prime-boost-immunization-by-both-dna-vaccine-and-oncolytic-adenovirus-expressing-gm-csf-and-shrna-of-tgf-%C3%AE-2-induces-anti-tumor-immune-activation
#20
So Young Kim, Dongxu Kang, Hye Jin Choi, Yeonsoo Joo, Joo-Hang Kim, Jae J Song
A successful DNA vaccine for the treatment of tumors should break established immune tolerance to tumor antigen. However, due to the relatively low immunogenicity of DNA vaccines, compared to other kinds of vaccines using live virus or protein, a recombinant viral vector was used to enhance humoral and cellular immunity. In the current study, we sought to develop a novel anti-cancer agent as a complex of DNA and oncolytic adenovirus for the treatment of malignant melanoma in the C57BL/6 mouse model. MART1, a human melanoma-specific tumor antigen, was used to induce an increased immune reaction, since a MART1-protective response is required to overcome immune tolerance to the melanoma antigen MelanA...
February 2, 2017: Oncotarget
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