نتایج جستجو برای: 18b

تعداد نتایج: 271  

2014
Jonas M. Bengtsson Francisco Gonzalez Alberto M. Cattaneo Nicolas Montagné William B. Walker Marie Bengtsson Gianfranco Anfora Rickard Ignell Emmanuelle Jacquin-Joly Peter Witzgall

*Correspondence: Jonas M. Bengtsson, Department of Zoology, Stockholm University, Svante Arrhenius v. 18b, 106 91 Stockholm, Sweden e-mail: jonas.bengtsson@ zoologi.su.se Plant volatiles mediate host discrimination and host finding in phytophagous insects. Understanding how insects recognize these signals is a current challenge in chemical ecology research. Pear ester, ethyl (E,Z )-2,4-decadien...

2015
Huiling Qiu Jiasheng Zhong Lan Luo Nian Liu Kang Kang Junle Qu Wenda Peng Deming Gou Sebastien Pfeffer

DNA vector-encoded Tough Decoy (TuD) miRNA inhibitor is attracting increased attention due to its high efficiency in miRNA suppression. The current methods used to construct TuD vectors are based on synthesizing long oligonucleotides (~90 mer), which have been costly and problematic because of mutations during synthesis. In this study, we report a PCR-based method for the generation of double T...

2015
Kristine Kleivi Sahlberg Giulia Bottai Bjørn Naume Barbara Burwinkel George A. Calin Anne-Lise Børresen-Dale Libero Santarpia

Purpose: Triple-negative breast cancers (TNBC) are associated with high risk of early tumor recurrence and poor outcome. Common prognostic biomarkers give very restricted predictive information of tumor recurrences in TNBC. Human serum contains stably expressed microRNAs (miRNAs), which have been discovered to predict prognosis in patients with cancer. The purpose of this study was to identify ...

Journal: :Acta poloniae pharmaceutica 2013
Eman R Kotb Manal M Anwar Hebat-Allah S Abbas Sherein I Abd El-Moez

A novel series of acyclic nucleosides 2-5 and 13a-c were synthesized by utilizing 4-phenyl-6(naphthalen-2-yl)-2-oxo-1,2-dihydropridine-3-carbonitrile (1) as a key starting material. Chlorination of 1 yielded the chloro analogue 6 that was allowed to react with urea, thiourea, thiosemicarbazide and alicyclic secondary amines to produce the corresponding derivatives 7a-c and 11a-c. Further conden...

2014
Heuy-Ching Wang Whitney A Greene Ramesh R Kaini Jane Shen-Gunther Hung-I H Chen Hong Cai Yufeng Wang

The purpose of this study is to characterize the microRNA (miRNA) expression profiles of induced pluripotent stem (iPS) cells and retinal pigment epithelium (RPE) derived from induced pluripotent stem cells (iPS-RPE). MiRNAs have been demonstrated to play critical roles in both maintaining pluripotency and facilitating differentiation. Gene expression networks accountable for maintenance and in...

Journal: :Clinical cancer research : an official journal of the American Association for Cancer Research 2015
Kristine Kleivi Sahlberg Giulia Bottai Bjørn Naume Barbara Burwinkel George A Calin Anne-Lise Børresen-Dale Libero Santarpia

PURPOSE Triple-negative breast cancers (TNBC) are associated with high risk of early tumor recurrence and poor outcome. Common prognostic biomarkers give very restricted predictive information of tumor recurrences in TNBC. Human serum contains stably expressed microRNAs (miRNAs), which have been discovered to predict prognosis in patients with cancer. The purpose of this study was to identify c...

Journal: :Astronomy and Astrophysics 2023

The dayside atmospheres of ultra-hot Jupiters (UHJs) are predicted to possess temperature inversion layers with extremely high temperatures at altitudes. We observed the thermal emission spectra WASP-18b and WASP-76b new CRIRES + high-resolution spectrograph near-infrared wavelengths. Using cross-correlation technique, we detected strong CO lines in both planets, which confirms existence invers...

Journal: :Environmental microbiology 2014
Mirian Domenech Lidia Araújo-Bazán Ernesto García Miriam Moscoso

The increasing use of the 7-valent pneumococcal conjugate vaccine has been accompanied by the rise of non-vaccine serotypes colonizing the human nasopharynx. The vast majority of infections are caused by microorganisms that grow in biofilms. It has recently been shown that the formation of Streptococcus pneumoniae biofilms in vivo and in vitro is hindered by the presence of capsular polysacchar...

2009
David Otaegui Sergio E. Baranzini Ruben Armañanzas Borja Calvo Maider Muñoz-Culla Puya Khankhanian Iñaki Inza Jose A. Lozano Tamara Castillo-Triviño Ana Asensio Javier Olaskoaga Adolfo López de Munain

Differences in gene expression patterns have been documented not only in Multiple Sclerosis patients versus healthy controls but also in the relapse of the disease. Recently a new gene expression modulator has been identified: the microRNA or miRNA. The aim of this work is to analyze the possible role of miRNAs in multiple sclerosis, focusing on the relapse stage. We have analyzed the expressio...

Journal: :Microbes and infection 2006
Maria José Soares Mendes-Giannini Patrícia Ferrari Andreotti Luciana Raquel Vincenzi Juliana Leal Monteiro da Silva Henrique Leonel Lenzi Gil Benard Roseli Zancopé-Oliveira Herbert Leonel de Matos Guedes Christiane Pienna Soares

Adhesion to extracellular matrix (ECM) proteins plays a crucial role in invasive fungal diseases. ECM proteins bind to the surface of Paracoccidioides brasiliensis yeast cells in distinct qualitative patterns. Extracts from Pb18 strain, before (18a) and after animal inoculation (18b), exhibited differential adhesion to ECM components. Pb18b extract had a higher capacity for binding to ECM compo...

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