Human Prostasin/Prss8 Antibody

Catalog # Availability Size / Price Qty
AF4599
AF4599-SP
Detection of Human Prostasin/Prss8 by Western Blot.
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Human Prostasin/Prss8 Antibody Summary

Species Reactivity
Human
Specificity
Detects human Prostasin in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 10% cross-reactivity with recombinant mouse Prostasin is observed.
Source
Polyclonal Sheep IgG
Purification
Antigen Affinity-purified
Immunogen
Chinese hamster ovary cell line CHO-derived recombinant human Prostasin
Ala33-Gly319
Accession # Q16651
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Label
Unconjugated

Applications

Recommended Concentration
Sample
Western Blot
1 µg/mL
See below
Simple Western
10 µg/mL
See below
Immunohistochemistry
5-15 µg/mL
See below
Immunoprecipitation
25 µg/mL
Conditioned cell culture medium spiked with Recombinant Human Prostasin/Prss8 (Catalog # 4599-SE), see our available Western blot detection antibodies

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Data Examples

Western Blot Detection of Human Prostasin/Prss8 by Western Blot. View Larger

Detection of Human Prostasin/Prss8 by Western Blot. Western blot shows lysates of human prostate tissue, LNCaP human prostate cancer cell line, PC-3 human prostate cancer cell line, and DU145 human prostate carcinoma cell line. PVDF membrane was probed with 1 µg/mL of Sheep Anti-Human Prostasin/Prss8 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4599) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for Prostasin/Prss8 at approximately 38 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Immunohistochemistry Prostasin/Prss8 in Human Prostate Cancer Tissue. View Larger

Prostasin/Prss8 in Human Prostate Cancer Tissue. Prostasin/Prss8 was detected in immersion fixed paraffin-embedded sections of human prostate cancer tissue using 10 µg/mL Sheep Anti-Human Prostasin/Prss8 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4599) overnight at 4 °C. Before incubation with the primary antibody tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained with the Anti-Sheep HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS019) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Simple Western Detection of Human Prostasin/Prss8 by Simple Western<sup>TM</sup>. View Larger

Detection of Human Prostasin/Prss8 by Simple WesternTM. Simple Western lane view shows lysates of human prostate tissue and LNCaP human prostate cancer cell line, loaded at 0.2 mg/mL. A specific band was detected for Prostasin/Prss8 at approximately 50 kDa (as indicated) using 10 µg/mL of Sheep Anti-Human Prostasin/Prss8 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4599) followed by 1:50 dilution of HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Availability
Size / Price
Qty
RB01
Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Prostasin/Prss8

Prostasin, also known as channel activating protease 1, is a serine protease with trypsin-like substrate specificity (1, 2). The preproenzyme possesses a C-terminal membrane-spanning domain that can be proteolytically processed to generate a secreted form of the enzyme. The secreted form of Prostasin has been purified from seminal fluid (2). Prostasin is highly expressed in the prostate gland and is expressed at lower levels in the lung, kidney, liver, salivary gland, and pancreas (3). The peptidase activity of Prostasin is involved in the regulation of epithelial sodium channels (4, 5).

References
  1. Vuagniaux, G. et al. (2000) J. Am. Soc. Nephrol. 11:828.
  2. Yu, J.X. et al. (1994) J. Biol. Chem. 269:18843.
  3. Yu, J.X. et al. (1995) J. Biol. Chem. 270:13483.
  4. Caldwell, R.A. et al. (2004) Am. J. Physiol. Cell Physiol. 286:C194.
  5. Tong, Z. et al. (2004) Am. J. Physiol. Lung Cell Mol. Physiol. 287:L928.
Entrez Gene IDs
5652 (Human); 76560 (Mouse)
Alternate Names
CAP1; channel-activating protease 1; EC 3.4.21; EC 3.4.21.-; EC 3.4.21.120; Prostasin; protease, serine, 8; Prss8; Serine protease 8

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