Single Chain Antibody Fragment against Venom from the Snake Daboia russelii formosensis

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Single Chain Antibody Fragment against Venom from the Snake Daboia russelii formosensis

Russell's vipers containing hemotoxic and neurotoxic venom commonly cause snake envenomation. Horse-derived antivenom is a specific antidote, but its production is expensive and has side effects. Developing a cost-effective and more tolerable therapeutic strategy is favorable. In this study, using glutaraldehyde-attenuated Daboia russelii formosensis (DRF) venom proteins to immunize chickens, p...

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Characterization of a Kunitz-type protease inhibitor peptide (Rusvikunin) purified from Daboia russelii russelii venom.

The snake venom may be considered as a potent source of untapped therapeutic proteins and peptides. The peptide mass fingerprinting and N-terminal sequence alignment of a 6.9kDa peptide named Rusvikunin from Daboia russelii russelii venom show the presence of putative conserved domains of the KU superfamily. Further, BLAST analysis of two of the de novo peptide sequences of Rusvikunin demonstra...

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Construction of recombinant Pichia pastoris expressing single-chain antibody fragment against extracellular domain of EpCAM

Introduction: Epithelial cell adhesion molecule (EpCAM) is highly expressed on epithelial tumors. So, EpCAM is a valuable antigen for targeted therapy. Using monoclonal antibodies (mabs) is an attractive approach for targeted cancer therapy. Importantly, limitations of intact mabs including large size led to the development of antibody fragments such as single chain fragment variable (scfv). Pi...

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Purification of a phospholipase A2 from Daboia russelii siamensis venom with anticancer effects

Venom phospholipases A2 (PLA(2)) are associated with neurotoxic, myotoxic, cardiotoxic, platelet aggregation, and edema activities. A PLA(2) (Drs-PLA(2)) was purified from Daboia russelii siamensis venom by a two-step purification procedure consisting of size-exclusion, followed by anion exchange high performance liquid chromatography (HPLC). The molecular weight of the Drs-PLA(2) was 13,679Da,...

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Design and Construction of a Novel Humanized Single-Chain Variable-Fragment Antibody against the Tumor Necrosis Factor alpha

The pro-inflammatory cytokine, TNF-α, which plays a major role in the development and persistence of inflammatory diseases, is the basis for the use of anti-TNF-α therapies. The neutralization of TNF-α or blockage of its binding to the corresponding receptor has mainly served as a therapeutic strategy against some diseases. This study aimed to investigate the production of a humanized single ch...

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ژورنال

عنوان ژورنال: Toxins

سال: 2017

ISSN: 2072-6651

DOI: 10.3390/toxins9110347