1910-8000G detects cathepsin B, a lysosomal cysteine protease which functions as both a endopeptidase and a carboxypeptidase. Together with cathepsins D and L, cathepsin B is one of the most abundant proteases in the lysosome, and participates in intracellular protein degradation.
Cathepsin B is thought to play an increasingly important role in apoptosis and its release from the lysosome under cell stress leads to Bid cleavage, cytochrome C release and nuclear fragmentation.
Cathepsin B is also known as amyloid precursor protein secretase and is involved in the proteolytic processing of amyloid precursor protein (APP). Incomplete processing of APP is thought to be a causative factor in Alzheimer disease.
Overexpression of cathepsin B has been associated with oesophageal adenocarcinoma and other tumours, and has in particular been implicated in tumour invasion and metastasis.
Application
This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visitwww.abdserotec.com/protocols.
Application Name
Yes
No
Not Determined
Suggested Dilution
ELISA
1/2000 - 1/20000
Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the product for use in their own system using the appropriate negative/positive controls.
Storage
Store at +4oC or at -20oC if preferred.
Storage in frost-free freezers is not recommended.
This product should be stored undiluted. Avoid repeated freezing and thawing as this may denature the antibody. Should this product contain a precipitate we recommend microcentrifugation before use.
Shelf Life
18 months from date of despatch.
Antiserum Preparation
Antisera to human cathepsin B were raised by repeated immunisations of sheep with highly purified antigen. Purified IgG was prepared from whole serum by affinity chromatography on protein G.
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