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Aradhana Chopra1, Ravi Shukla2 and Tarun Kumar Sharma2,3*

...le stranded nucleic acid aptamers can acquire various secondary and tertiary structures to bind their cognate targets with high affinity and specificity. The ease in synthesis and modification makes them an attractive candidate for a variety of applications. Since the last decade, aptamers have been regarded as an emerging player in biology. They have found applications not only in biosensors, but also in other areas such as...

Maureen McKeague1, Maria C. DeRosa2*

... SELEX. The selection of aptamers with optimal specificity and high affinity remains a challenge, leading to the recent emergence of elegant new approaches and tools for SELEX. In this commentary, we discuss recent advancements in the selection of aptamers.

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Nicola J. Stonehouse

...commentary describes RNA aptamers selected to bind to the RNA-dependent-RNA polymerase of foot-and-mouth disease virus. The aptamers are able to inhibit the function of the enzyme both in vitro and in the context of a sub-genomic replicon and highlight the future potential of this technology in many aspects of virus research as well as in diagnostics and therapeutics.

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John G. Bruno1*, Chien-Chung Chao2,3, Zhiwen Zhang3, Wei-Mei Ching2,3, Taylor Phillips1, Allison Edge1, Jeffery C. Sivils1

...;">Abstract | DNA aptamers were developed against Rickettsia typhi (R. typhi) whole cells and individual candidate aptamer sequences were ranked according to affinity by an ELISA-like microplate-screening assay (ELASA). Top three candidate aptamers were then paired in a matrix of all possible capture and reporter aptamer combinations...

John G. Bruno

...d robotic development of aptamers or aptamer conjugates with associated mass production to provide rapid passive immunity for large human populations in the event of a major pandemic or infectious disease doomsday scenario. 

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Neha Singh and Anjana Pandey

...d nucleic acids known as aptamers. Aptamers are known for their high selectivity and specificity and their ability to form 3D conformations. CELL SELEX is a modification of SELEX where instead of using purified ligand molecules, whole live cells are used as targets, so the aptamers being generated could bind target molecules on live cells in their native conformation and it is possible to ...

 John G. Bruno and Jeffery C. Sivils

...-like analyses using DNA aptamers raised against the surfaces of general nonpathogenic Escherichia coli (ATCC No. 8739) as well as alpha and gamma intimins and Shiga-like toxin 2 (SLT-2) B subunit verified that the aptamers bound proteins of the correct molecular weights for intact outer membrane proteins (OMPs), intimins and SLT-2. Some bands on the aptamer Western blots were shared betwe...

Tarun Kumar Sharma, John G. Bruno and William C. Cho

...cificity in recent years aptamers, have emerged as competitive tools with the potential to replace antibodies in many diagnostic formats. The aptamer industry is continuously growing to create space in research and diagnostics markets. However, translation of aptamer in several applied disciplines is still lagging behind as compared to antibodies. In this article, we discuss the translatio...

Atul Sharma, Aruna Chandra Singh, Gautam Bacher, Sunil Bhand

...vailable for biosensing, aptamer exhibit the advantages of high specificity, selectivity, stability, facile labelling and modification, which makes them ideal candidates for development of new biosensing applications for detection of specific target molecules. In the present review, we concentrate on the recent advances in the development of aptasensors for antibiotics residue analysis based on electrochemical signal generation. Aptame...

John G. Bruno

...t;">Lengthy 200 base DNA aptamers were developed against extracted lipopolysaccharides (LPS) of E. coli O157 and the so called “Big six” non-O157 Shiga-toxin producing E. coli (STEC) serovars (O26, O45, O103, O111, O121 and O145). These aptamers were assessed by enzyme-linked aptamer sorbent assay (ELASA) to rank their relative affinities and discriminatory ability for distingu...

John G. Bruno

...stify;">Twenty-seven DNA aptamers were developed against the Fab fragments of murine antibodies developed to bind Rickettsia rickettsii and Rickettsia typhi. A feasibility study was conducted to generate anti-idiotypic aptamers against Fab fragments of these antibodies and to determine if the aptamers were capable of emulating rickettsial antigens to enable sensitive detection of rickettsi...

Sanjukta Chakrabarti1, Colin J. Barrow2, Rupinder K. Kanwar3, Venkata Ramana1*, Rakesh N. Veedu4,5 and Jagat R. Kanwar3* 

...1(D1-D3)-Fc, and one DNA aptamer, RNV66, in an in vivo model of human A549 lung cancer. VEGF TrapR1R2 is a commercial anti-angiogenic fusion protein. Our earlier studies demonstrated the anti-angiogenic and anti-proliferative activities of VEGFR1(D1-D3)-Fc and RNV66 in in vitro functional assays. We compared the anti-tumorigenic properties of these three molecules for tumor volume reduction in xenotransplanted SCID mice and by histopathological and immunohisto...

Aptamers and Synthetic Antibodies

June

Vol.2, Iss.1, Page 1-35

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