Product Name
Cathepsin D Recombinant Rabbit Monoclonal Antibody [SU0360] - BSA and Azide free
Antibody Type
Recombinant Rabbit monoclonal Antibody
Immunogen
Synthetic peptide within Human Cathepsin D aa 363-412 / 412.
Target Molecular Weight
Predicted band size: 45/28 kDa
Positive Control
HepG2 cell lysate, MCF7 cell lysate, Neuro-2a cell lysate, Mouse brain tissue lysate, C6 cell lysate, Rat brain tissue lysate, human breast cancer tissue, human pancreas tissue, PANC-1, AGS.
Storage Instructions
Store at 2-8℃. Avoid freeze.
Purification Method
Protein A affinity purified.
Function
Cathepsin D is a protein that in humans is encoded by the CTSD gene. This gene encodes a lysosomal aspartyl protease composed of a protein dimer of disulfide-linked heavy and light chains, both produced from a single protein precursor. Cathepsin D is an aspartic endo-protease that is ubiquitously distributed in lysosomes. The main function of cathepsin D is to degrade proteins and activate precursors of bioactive proteins in pre-lysosomal compartments. This proteinase, which is a member of the peptidase A1 family, has a specificity similar to but narrower than that of pepsin A. Transcription of the CTSD gene is initiated from several sites, including one that is a start site for an estrogen-regulated transcript. Mutations in this gene are involved in the pathogenesis of several diseases, including breast cancer and possibly Alzheimer disease. Homozygous deletion of the CTSD gene leads to early lethality in the postnatal phase. Deficiency of CTSD gene has been reported an underlying cause of neuronal ceroid lipofuscinosis (NCL).
Background References
1. Santaguida S et al. Aneuploidy-induced cellular stresses limit autophagic degradation. Genes Dev 29:2010-21 (2015).
2. Shen C et al. Global profiling of proteolytically modified proteins in human metastatic hepatocellular carcinoma cell lines reveals CAPN2 centered network. Proteomics 12:1917-27 (2012).
Sequence Similarity
Belongs to the peptidase A1 family.
Tissue Specificity
Expressed in the aorta extracellular space (at protein level). Expressed in liver (at protein level).
Post-translational Modification
N- and O-glycosylated.; Undergoes proteolytic cleavage and activation by ADAM30.; As well as the major heavy chain which starts at Leu-169, 2 minor forms starting at Gly-170 and Gly-171 have been identified. An additional form starting at Ala-168 has also been identified.
Subcellular Location
Extracellular space, Lysosome, Melanosome.
Synonyms
CatD antibody
CATD_HUMAN antibody
Cathepsin D antibody
Cathepsin D heavy chain antibody
CD antibody
Ceroid lipofuscinosis neuronal 10 antibody
CLN10 antibody
CPSD antibody
ctsd antibody
Epididymis secretory sperm binding protein Li 130P antibody
Expand
CatD antibody
CATD_HUMAN antibody
Cathepsin D antibody
Cathepsin D heavy chain antibody
CD antibody
Ceroid lipofuscinosis neuronal 10 antibody
CLN10 antibody
CPSD antibody
ctsd antibody
Epididymis secretory sperm binding protein Li 130P antibody
HEL S 130P antibody
Lysosomal aspartyl peptidase antibody
Lysosomal aspartyl protease antibody
MGC2311 antibody
Collapse
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This data was developed using ET1608-49, the same antibody clone in a different buffer formulation.
Western blot analysis of Cathepsin D on different lysates with Rabbit anti-Cathepsin D antibody (ET1608-49) at 1/2,000 dilution.
Lane 1: HepG2 cell lysate (15 µg/Lane)
Lane 2: MCF7 cell lysate (15 µg/Lane)
Lane 3: Neuro-2a cell lysate (15 µg/Lane)
Lane 4: Mouse brain tissue lysate (20 µg/Lane)
Predicted band size: 45/28 kDa
Observed band size: 45/28 kDa
Exposure time: 3 minutes; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (ET1608-49) at 1/2,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
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This data was developed using ET1608-49, the same antibody clone in a different buffer formulation.
Western blot analysis of Cathepsin D on different lysates with Rabbit anti-Cathepsin D antibody (ET1608-49) at 1/1,000 dilution.
Lane 1: C6 cell lysate (20 µg/Lane)
Lane 2: Mouse brain tissue lysate (20 µg/Lane)
Lane 3: Rat brain tissue lysate (20 µg/Lane)
Predicted band size: 45/28 kDa
Observed band size: 45/28 kDa
Exposure time: 6 seconds; ECL: K1801;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (ET1608-49) at 1/1,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
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This data was developed using ET1608-49, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded human breast cancer tissue with Rabbit anti-Cathepsin D antibody (ET1608-49) at 1/3,000 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (ET1608-49) at 1/3,000 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
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This data was developed using ET1608-49, the same antibody clone in a different buffer formulation.
Immunohistochemical analysis of paraffin-embedded human pancreas tissue with Rabbit anti-Cathepsin D antibody (ET1608-49) at 1/3,000 dilution.
The section was pre-treated using heat mediated antigen retrieval with Tris-EDTA buffer (pH 9.0) for 20 minutes. The tissues were blocked in 1% BSA for 20 minutes at room temperature, washed with ddH2O and PBS, and then probed with the primary antibody (ET1608-49) at 1/3,000 dilution for 1 hour at room temperature. The detection was performed using an HRP conjugated compact polymer system. DAB was used as the chromogen. Tissues were counterstained with hematoxylin and mounted with DPX.
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This data was developed using ET1608-49, the same antibody clone in a different buffer formulation.
ICC staining of Cathepsin D in PANC-1 cells (green). Formalin fixed cells were permeabilized with 0.1% Triton X-100 in TBS for 10 minutes at room temperature and blocked with 1% Blocker BSA for 15 minutes at room temperature. Cells were probed with the primary antibody (ET1608-49, 1/50) for 1 hour at room temperature, washed with PBS. Alexa Fluor®488 Goat anti-Rabbit IgG was used as the secondary antibody at 1/1,000 dilution. The nuclear counter stain is DAPI (blue).
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This data was developed using ET1608-49, the same antibody clone in a different buffer formulation.
ICC staining of Cathepsin D in AGS cells (green). Formalin fixed cells were permeabilized with 0.1% Triton X-100 in TBS for 10 minutes at room temperature and blocked with 1% Blocker BSA for 15 minutes at room temperature. Cells were probed with the primary antibody (ET1608-49, 1/50) for 1 hour at room temperature, washed with PBS. Alexa Fluor®488 Goat anti-Rabbit IgG was used as the secondary antibody at 1/1,000 dilution. The nuclear counter stain is DAPI (blue).
Please note: All products are "FOR RESEARCH USE ONLY AND ARE NOT INTENDED FOR DIAGNOSTIC OR THERAPEUTIC USE"