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Cathepsin D / CTSD Antibody, Rabbit PAb, Antigen Affinity Purified

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CTSDAntibody Product Information
Immunogen:Recombinant Mouse CTSD protein (Catalog#50127-M08H)
Clone ID:
Ig Type:Rabbit IgG
Formulation:0.2 μm filtered solution in PBS with 5% trehalose
Preparation:Produced in rabbits immunized with purified, recombinant Mouse CTSD (rM CTSD; Catalog#50127-M08H; NP_034113.1; Met 1-Leu 410). CTSD specific IgG was purified by mouse CTSD affinity chromatography.
CTSDAntibody Usage Guide
Specificity:Mouse Cathepsin-D / CTSD
Application:WB, ELISA, IP

WB: 5-10 μg/mL

ELISA: 0.5-1 μg/mL

This antibody can be used at 0.5-1 μg/mL with the appropriate secondary reagents to detect Mouse CTSD. The detection limit for Mouse CTSD is 0.00245 ng/well.

IP: 1-4 μg/mg of lysate

Storage:This antibody can be stored at 2℃-8℃ for one month without detectable loss of activity. Antibody products are stable for twelve months from date of receipt when stored at -20℃ to -70℃. Preservative-Free.
Sodium azide is recommended to avoid contamination (final concentration 0.05%-0.1%). It is toxic to cells and should be disposed of properly. Avoid repeated freeze-thaw cycles.

Cathepsin D (CTSD), a well known lysosomal aspartyl protease and belongs to the peptidase C1 family, which is a normal and major component of lysosomes, and is found in almost all cells and tissues of mammals. Its mostly described function is intracellular catabolism in lysosomal compartments, other physiological effect include hormone and antigen processing. Cathepsin D has a specificity similar to but narrower than that of pepsin A. Cathepsin D plays an important role in the degradation of proteins, the generation of bioactive proteins, antigen processing, etc. Among different role in cell physiology, a new function of this enzyme is examined. Cathepsin D is an important regulator of apoptotic pathways in cells. It acts at different stage of intrinsic and extrinsic pathway of apoptosis. In addition, CTSD secreted from human prostate carcinoma cells are responsible for the generation of angiostatin, a potent endogenous inhibitor of angiogenesis, suggesting its contribution to the prevention of tumor growth and angiogenesis-dependent growth of metastases.

  • Fusek M, et al. (2005) Dual role of cathepsin D: ligand and protease. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. 149(1): 43-50.
  • Minarowska A, et al. (2007) Regulatory role of cathepsin D in apoptosis. Folia Histochem Cytobiol. 45(3): 159-63.
  • Zaidi N, et al. (2008) Cathepsin D: a cellular roadmap. Biochem Biophys Res Commun. 376(1): 5-9.
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