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https://www.readbyqxmd.com/read/29664029/fly-ash-based-water-dispersible-powder-formulation-of-bacillus-thuringiensis-var-israelensis-development-laboratory-evaluation-against-mosquito-immatures
#1
Saravanan Tamilselvan, Arulsamy Mary Manonmani, Purushothaman Jambulingam
Background & objectives: Bacillus thuringiensis var. israelensis (Bti) formulations are presently being used for insect control. In this study, a water dispersible powder (WDP) formulation using fly ash (FA) as a carrier material was developed and studied for its activity against the larval stages of major mosquito vector species. Methods: An indigenous isolate Bti (Vector Control Research Centre B17) was mass produced using a 100 l fermentor in soya-based medium...
December 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/29562903/towards-characterizing-the-regional-cerebral-perfusion-in-evaluating-the-severity-of-major-depression-disorder-with-spect-ct
#2
Jinming Li, Yuan Yang, Yuankai Zhu, Liqiang Zhou, Yunfeng Han, Tao Yin, Zhaoting Cheng, Guopeng Zhang, Yanxia Shen, Jing Chen
BACKGROUND: Major depressive disorder (MDD) is a common mental disorder worldwide, but now there is a lack of clinically effective assessment and management of MDD. In this study, we used technetium-99 m ethylcysteinate dimer ([99m Tc]ECD) SPECT/CT to characterize the regional cerebral blood flow (rCBF) status of MDD patients, and to explore an objective image assessment model of MDD which is non- or minimally-invasive, convenient and accurate in a clinical setting. METHODS: The severity of MDD was assessed by three trained psychiatrists, based on scores obtained from HAMD and HAMA...
March 21, 2018: BMC Psychiatry
https://www.readbyqxmd.com/read/29551211/population-diversity-of-bacterial-endophytes-from-jute-corchorus-olitorius-and-evaluation-of-their-potential-role-as-bioinoculants
#3
Badrul Haidar, Mahbuba Ferdous, Babry Fatema, Ahlan Sabah Ferdous, Mohammad Riazul Islam, Haseena Khan
Endophytes are bacterial or fungal organisms associated with plants in an obligate or facultative manner. In order to maintain a stable symbiosis, many of the endophytes produce compounds that promote plant growth and help them adapt better to the environment. This study was conducted to explore the potential of jute bacterial endophytes for their growth promotion ability in direct and indirect ways. A total of 27 different bacterial species were identified from different varieties of a jute plant (Corchorus olitorius) and different parts of the plant (leaf, root, seed, and seedling) based on 16S rRNA gene sequence...
March 2018: Microbiological Research
https://www.readbyqxmd.com/read/29447928/the-use-of-polysulfated-polysaccharides-heparin-like-compounds-glycosaminoglycans-and-vitamin-b17-as-a-possible-treatment-for-prostate-cancer
#4
Jamil Hantash
Prostate cancer is impacting many men globally. It is a disease that has no effective treatment is available in the market. The understanding of the biophysical and biochemical aspects of the disease and the mechanism that allow it to metastasize is key to finding an effect treatment. Maintenance or pretreatment drug as well as a post treatment drug can be effective to avoid or delay the disease from appearing. The polysaccharides and monosaccharides polymers combined with vitamins can be the ingredient to developing the treatment...
March 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/28964888/egfr-her2-target-based-molecular-docking-analysis-in-vitro-screening-of-2-4-5-trisubstituted-imidazole-derivatives-as-potential-anti-oxidant-and-cytotoxic-agents
#5
Ramu Guda, Girijesh Kumar, Rajashekar Korra, Siripireddy Balaji, Govindu Dayakar, Rambabu Palabindela, Prabhakar Myadaraveni, Narsimha Reddy Yellu, Mamatha Kasula
In our endeavor towards the development of potent molecules for cancer diseases, we have designed and synthesized a series of 2,4,5-trisubstituted imidazole derivatives (B1-B24) and characterized by using various spectroscopic techniques. All these compounds are further evaluated for their in vitro anti-cancer, anti-oxidant activities and molecular docking studies against EGFR, HER2 protein receptors. The in vitro anti-cancer activity analysis reveals that compounds B11 and B16 were found to be effective scaffolds against the tested human cancer cell lines IMR-32, A549 and HeLa...
November 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28956996/understanding-immune-resistance-to-infectious-bronchitis-using-major-histocompatibility-complex-chicken-lines
#6
A P da Silva, R Hauck, H Zhou, R A Gallardo
Genetic resistance or susceptibility to infectious diseases has been largely associated with the avian major histocompatibility complex (MHC) genes. Our goal was to determine resistance and susceptibility of MHC B haplotype in congenic and inbred chicken lines in order to establish a resistant-susceptible model. Eight congenic lines (253/B18, 254/B15, 330/B21, 312/B24, 331/B2, 335/B19, 336/B21, and 342/BO), two inbred lines (003/B17 and 077/B19), and three commercial lines (white leghorn, brown layers, and broilers) were used in two experiments...
September 2017: Avian Diseases
https://www.readbyqxmd.com/read/28943336/the-origins-of-specificity-in-the-microcin-processing-protease-tldd-e
#7
Dmitry Ghilarov, Marina Serebryakova, Clare E M Stevenson, Stephen J Hearnshaw, Dmitry S Volkov, Anthony Maxwell, David M Lawson, Konstantin Severinov
TldD and TldE proteins are involved in the biosynthesis of microcin B17 (MccB17), an Escherichia coli thiazole/oxazole-modified peptide toxin targeting DNA gyrase. Using a combination of biochemical and crystallographic methods we show that E. coli TldD and TldE interact to form a heterodimeric metalloprotease. TldD/E cleaves the N-terminal leader sequence from the modified MccB17 precursor peptide, to yield mature antibiotic, while it has no effect on the unmodified peptide. Both proteins are essential for the activity; however, only the TldD subunit forms a novel metal-containing active site within the hollow core of the heterodimer...
October 3, 2017: Structure
https://www.readbyqxmd.com/read/28760138/age-standardized-mortality-rates-related-to-viral-hepatitis-in-brazil
#8
Hugo Perazzo, Antonio G Pacheco, Paula M Luz, Rodolfo Castro, Chris Hyde, Juliana Fittipaldi, Caroline Rigolon, Sandra W Cardoso, Beatriz Grinsztejn, Valdiléa G Veloso
BACKGROUND: Liver-related mortality has been increasing worldwide. We aimed to estimate the age-standardized mortality rates from viral hepatitis in Brazil. METHODS: The Brazilian National Death Registry was analyzed from 2008 to 2014. Viral hepatitis deaths were defined by the following ICD-10 codes in the death certificate: hepatitis A [B15.0; B15.9]; hepatitis B [B16.2; B16.9; B18.1]; hepatitis C [B17.1; B18.2]; hepatitis Delta [B16.0; B16.1; B18.0; B17.0] and other viral hepatitis [B17...
July 31, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28748842/separation-quantification-and-mosquito-larvicidal-activity-of-insecticidal-crystal-proteins-of-bacillus-thuringiensis-var-israelensis-vcrc-b17-mtcc-5596
#9
I Geetha, P Regnakumari, A M Manonmani
No abstract text is available yet for this article.
April 2017: Journal of Vector Borne Diseases
https://www.readbyqxmd.com/read/28732522/the-excretory-secretory-products-of-echinococcus-granulosus-protoscoleces-directly-regulate-the-differentiation-of-b10-b17-and-th17-cells
#10
Wei Pan, Wen-Ting Hao, Yu-Juan Shen, Xiang-Yang Li, Yan-Juan Wang, Fen-Fen Sun, Jian-Hai Yin, Jing Zhang, Ren-Xian Tang, Jian-Ping Cao, Kui-Yang Zheng
BACKGROUND: Excretory-secretory products (ESPs) released by helminths are well-known to regulate T cell responses in the host. However, their direct influence in the differentiation of naïve T cells, and especially B cells, remains largely unknown. This study investigated the effects of Echinococcus granulosus protoscoleces ESPs (EgPSC-ESPs) on the differentiation of IL-10-producing B cells (B10), IL-17A-producing B cells (B17) and Th17 cells. METHODS: BALB/c mice injected with EgPSC were used to evaluate the in vivo profiles of B10, B17 and Th17 cells...
July 21, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28566747/novel-locally-active-estrogens-accelerate-cutaneous-wound-healing-part-2
#11
Mario Brufani, Nicoletta Rizzi, Clara Meda, Luigi Filocamo, Francesca Ceccacci, Virginia D'Aiuto, Gabriele Bartoli, Angela La Bella, Luisa M Migneco, Rinaldo Marini Bettolo, Francesca Leonelli, Paolo Ciana, Adriana Maggi
Estrogen deprivation is associated with delayed healing, while estrogen replacement therapy (ERT) accelerates acute wound healing and protects against development of chronic wounds. However, current estrogenic molecules have undesired systemic effects, thus the aim of our studies is to generate new molecules for topic administration that are devoid of systemic effects. Following a preliminary study, the new 17β-estradiol derivatives 1 were synthesized. The estrogenic activity of these novel compounds was evaluated in vitro using the cell line ERE-Luc B17 stably transfected with an ERE-Luc reporter...
May 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28444425/pharmacogenetic-markers-to-predict-the-clinical-response-to-methotrexate-in-south-indian-tamil-patients-with-psoriasis
#12
S Indhumathi, Medha Rajappa, Laxmisha Chandrashekar, P H Ananthanarayanan, D M Thappa, V S Negi
INTRODUCTION: Despite the advent of several new systemic therapies, methotrexate remains the gold standard for the treatment of moderate to severe psoriasis. However, there exists a significant heterogeneity in individual response to methotrexate. There are no consistently reliable markers to predict methotrexate treatment response till date. OBJECTIVES: We aimed to demonstrate the association of certain genetic variants in the HLA (HLA-A2, HLA-B17, and HLA-Cw6) and the non-HLA genes including T-helper (Th)-1, Th-2, Th-17 cytokine genes (IFN-γ, IL-2, IL-4, IL-10, IL-12B, and IL-23R), and T-regulatory gene (FOXP3) with the methotrexate treatment response in South Indian Tamil patients with psoriasis...
August 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28300751/synthesis-and-evaluation-of-new-pyrazoline-derivatives-as-potential-anticancer-agents-in-hepg-2-cell-line
#13
Weijie Xu, Ying Pan, Hong Wang, Haiyan Li, Qing Peng, Duncan Wei, Cheng Chen, Jinhong Zheng
Cancer is a major public health concern worldwide. Adverse effects of cancer treatments still compromise patients' quality of life. To identify new potential anticancer agents, a series of novel pyrazoline derivatives were synthesized and evaluated for cytotoxic effects on HepG-2 (human liver hepatocellular carcinoma cell line) and primary hepatocytes. Compound structures were confirmed by ¹H-NMR, mass spectrometry, and infrared imaging. An in vitro assay demonstrated that several compounds exerted cytotoxicity in the micromolar range...
March 16, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28268063/human-escherichia-coli-isolates-from-hemocultures-septicemia-linked-to-urogenital-tract-infections-is-caused-by-isolates-harboring-more-virulence-genes-than-bacteraemia-linked-to-other-conditions
#14
COMPARATIVE STUDY
Lenka Micenková, Alžbeta Beňová, Lucia Frankovičová, Juraj Bosák, Martin Vrba, Alena Ševčíková, Marta Kmeťová, David Šmajs
Escherichia coli is the most common cause of bloodstream infections and community-acquired sepsis. The main aim of this study was to determine virulence characteristics of E. coli isolates from hemocultures of patients with a primary disease of urogenital tract, digestive system, a neoplastic blood disease, or other conditions. Results from a set of 314 E. coli isolates from hemocultures were compared to data from a previously published analysis of 1283 fecal commensal E. coli isolates. Genetic profiling of the 314 E...
April 2017: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/28138769/molecular-and-virulence-characterization-of-toxoplasma-gondii-strains-isolated-from-humans-in-portugal
#15
Anabela Vilares, Maria João Gargaté, Idalina Ferreira, Susana Martins, João Paulo Gomes
Toxoplasma gondii is an apicomplexan parasite responsible for toxoplasmosis which infects all warm-blooded vertebrates, including mammals and birds. The majority of studies conducted in Europe have revealed that more than 80 % of strains isolated from human infections belong to genotype II, whereas genotypes I and III are responsible for a small number of cases. Atypical and recombinant strains are generally associated with more severe infections. In Portugal, there is a lack of data concerning genetic diversity as the classical typing studies in humans have never been performed...
March 2017: Parasitology Research
https://www.readbyqxmd.com/read/27807263/symbiodinium-biogeography-tracks-environmental-patterns-rather-than-host-genetics-in-a-key-caribbean-reef-builder-orbicella-annularis
#16
Emma V Kennedy, Linda Tonk, Nicola L Foster, Iliana Chollett, Juan-Carlos Ortiz, Sophie Dove, Ove Hoegh-Guldberg, Peter J Mumby, Jamie R Stevens
The physiological performance of a reef-building coral is a combined outcome of both the coral host and its algal endosymbionts, Symbiodinium While Orbicella annularis-a dominant reef-building coral in the Wider Caribbean-is known to be a flexible host in terms of the diversity of Symbiodinium types it can associate with, it is uncertain how this diversity varies across the Caribbean, and whether spatial variability in the symbiont community is related to either O. annularis genotype or environment. Here, we target the Symbiodinium-ITS2 gene to characterize and map dominant Symbiodinium hosted by O...
November 16, 2016: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/27805301/effect-of-ugt2b17-deletion-polymorphism-on-prognosis-in-pediatric-cancer
#17
Sae Ishimaru, Yuki Yuza, Takashi Kaneko, Mitsuyoshi Urashima
BACKGROUND: UDP-glucuronosyltransferase 2 family, polypeptide B17 (UGT2B17) encodes for an enzyme that modifies carcinogens, C19 steroids, xenobiotics, and anticancer chemotherapeutic agents by glucuronidation. Pediatric cancers are much more sensitive to anticancer agents than adult cancers. The aim of this study was therefore to examine the effects of UGT2B17 deletion polymorphism on prognosis in pediatric cancer. METHODS: A total of 145 DNA samples were collected from children with malignant disease...
April 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27678116/cellulose-synthesis-by-komagataeibacter-rhaeticus-strain-p-1463-isolated-from-kombucha
#18
Pavels Semjonovs, Maija Ruklisha, Longina Paegle, Madara Saka, Rita Treimane, Marite Skute, Linda Rozenberga, Laura Vikele, Martins Sabovics, Ilse Cleenwerck
Isolate B17 from Kombucha was estimated to be an efficient producer of bacterial cellulose (BC). The isolate was deposited under the number P 1463 and identified as Komagataeibacter rhaeticus by comparing a generated amplified fragment length polymorphism (AFLP™) DNA fingerprint against a reference database. Static cultivation of the K. rhaeticus strain P 1463 in Hestrin and Schramm (HS) medium resulted in 4.40 ± 0.22 g/L BC being produced, corresponding to a BC yield from glucose of 25.30 ± 1.78 %, when the inoculum was made with a modified HS medium containing 10 g/L glucose...
February 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27646192/human-extraintestinal-pathogenic-escherichia-coli-strains-differ-in-prevalence-of-virulence-factors-phylogroups-and-bacteriocin-determinants
#19
Lenka Micenková, Juraj Bosák, Martin Vrba, Alena Ševčíková, David Šmajs
BACKGROUND: The study used a set of 407 human extraintestinal pathogenic E. coli strains (ExPEC) isolated from (1) skin and soft tissue infections, (2) respiratory infections, (3) intra-abdominal infections, and (4) genital smears. The set was tested for bacteriocin production, for prevalence of bacteriocin and virulence determinants, and for phylogenetic typing. Results obtained from the group of ExPEC strains were compared to data from our previously published analyses of 1283 fecal commensal E...
September 20, 2016: BMC Microbiology
https://www.readbyqxmd.com/read/27463367/the-quest-for-the-shortest-fragments-of-a-13-19-and-b-12-17-responsible-for-the-aggregation-of-human-insulin
#20
Monika Swiontek, Kamil Rozniakowski, Justyna Fraczyk, Wojciech Lipinski, Krystian Galecki, Stanislaw Wysocki, Bertrand G R Dupont, Zbigniew J Kaminski, Beata Kolesinska
AIM: To identify the shortest components of A13-A19, B12-B17 fragments capable for fibrillation and to validate the dependability of aggregation on the presence of hydroxyl group engaged in the 'tyrosine kissing'. MATERIALS & METHODS: Fragments A13-A19 and B12-B17 of insulin and all shortened analogues were obtained by using DMT/NMM/TosO(-) as a coupling reagent. The aggregation was studied by three independent tests. RESULTS: Studies on the susceptibility to aggregation of truncated analogs of insulin amyloidogenic core show three groups of peptides...
August 2016: Nanomedicine
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