PKC-beta 1 Mouse mAb: Protocol & Usage Guide

PKC-beta 1 Mouse mAb is a highly specific monoclonal antibody designed for the detection of Protein Kinase C beta 1 (PRKCB1) in research applications including Western blot and immunohistochemistry.

Product SKU

Ab349200

Antibody Type

Mouse Monoclonal Antibody (mAb)

Target Protein

PKC-beta 1 (Protein Kinase C beta 1, PRKCB1)

Host Species

Mouse

Recommended Applications

Western Blot (WB), Immunohistochemistry (IHC)

Storage

Store at -20°C; avoid repeated freeze-thaw cycles

Overview of PKC-beta 1 and Antibody Specifications

Protein Kinase C beta 1 (PKC-beta 1, also designated PRKCB1) is a serine/threonine kinase belonging to the classical PKC subfamily, which is calcium- and diacylglycerol-dependent. PKC-beta 1 plays critical roles in B-cell receptor signaling, cell proliferation, angiogenesis, and apoptotic regulation. It is widely studied as a potential therapeutic target in oncology and metabolic disease research.

The PKC-beta 1 Mouse mAb (Catalog No. Ab349200, Aladdin Scientific) is a mouse-derived monoclonal antibody that recognizes PKC-beta 1 with high specificity. As a monoclonal antibody, it offers lot-to-lot consistency and minimal cross-reactivity with closely related PKC isoforms, making it suitable for quantitative and comparative studies.

Note: Refer to the product datasheet (absea#KC-1949) for the most current lot-specific information including exact molecular weight of the detected band, immunogen sequence, and validated species reactivity.

Sample Preparation

Proper sample preparation is essential for reliable results with PKC-beta 1 Mouse mAb. Follow these general guidelines, and consult the product datasheet for application-specific recommendations:

• Cell Lysates: Lyse cells in RIPA buffer (50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1% NP-40, 0.5% sodium deoxycholate, 0.1% SDS) supplemented with protease inhibitor cocktail and phosphatase inhibitors. Centrifuge at 12,000 × g for 15 minutes at 4°C to clarify the lysate.
• Tissue Lysates: Homogenize tissue in ice-cold lysis buffer using a mechanical homogenizer. Clarify by centrifugation as above.
• Protein Quantification: Determine total protein concentration using a BCA or Bradford assay before loading samples.
• SDS-PAGE Loading: Boil samples with Laemmli loading buffer (containing β-mercaptoethanol or DTT) at 95°C for 5 minutes prior to electrophoresis.
• IHC Tissue Sections: Fix tissues in 10% neutral-buffered formalin and embed in paraffin (FFPE). Perform antigen retrieval using citrate buffer (pH 6.0) or EDTA buffer (pH 9.0) as appropriate.

Recommended Protocol: Western Blot (WB)

The following is a general Western blot protocol for PKC-beta 1 Mouse mAb (Ab349200). Always verify dilutions and incubation conditions with the product datasheet:

1. Electrophoresis: Run 20–40 µg of total protein per lane on an 8–10% SDS-PAGE gel.
2. Transfer: Transfer proteins onto a PVDF or nitrocellulose membrane at 100 V for 60–90 minutes (wet transfer) or using a semi-dry system per manufacturer instructions.
3. Blocking: Block the membrane with 5% non-fat dry milk or 3% BSA in TBST (20 mM Tris, 150 mM NaCl, 0.1% Tween-20) for 1 hour at room temperature.
4. Primary Antibody Incubation: Dilute PKC-beta 1 Mouse mAb in blocking buffer at the recommended dilution (consult datasheet for lot-specific dilution). Incubate overnight at 4°C with gentle rocking.
5. Washing: Wash membrane 3 × 10 minutes with TBST.
6. Secondary Antibody: Incubate with an HRP-conjugated anti-mouse secondary antibody at appropriate dilution in blocking buffer for 1 hour at room temperature.
7. Washing: Wash 3 × 10 minutes with TBST.
8. Detection: Develop using an ECL substrate and image using X-ray film or a digital imaging system.

Expected Result: A specific band should be detected at the expected molecular weight for PKC-beta 1. Consult the product datasheet for the confirmed band size.

Recommended Protocol: Immunohistochemistry (IHC)

The following is a general IHC protocol for PKC-beta 1 Mouse mAb (Ab349200) on FFPE tissue sections:

1. Deparaffinization and Rehydration: Deparaffinize sections in xylene (2 × 5 min) and rehydrate through a graded ethanol series (100%, 95%, 70%) to distilled water.
2. Antigen Retrieval: Heat sections in citrate buffer (10 mM, pH 6.0) using a pressure cooker or microwave for 10–20 minutes. Allow sections to cool to room temperature before proceeding.
3. Endogenous Peroxidase Quenching: Incubate sections in 3% hydrogen peroxide in methanol for 10 minutes at room temperature to block endogenous peroxidase activity. Wash with PBS (3 × 5 min).
4. Blocking: Apply 5–10% normal serum (from the secondary antibody host species) or 1% BSA in PBS for 30 minutes at room temperature.
5. Primary Antibody: Apply PKC-beta 1 Mouse mAb at the recommended dilution (consult datasheet). Incubate overnight at 4°C in a humidified chamber.
6. Secondary Antibody and Detection: Apply an appropriate HRP-conjugated or biotin-conjugated anti-mouse secondary antibody, followed by DAB substrate development. Monitor color development under a microscope.
7. Counterstaining: Counterstain with Hematoxylin, dehydrate, and mount with a permanent mounting medium.

Controls: Always include a positive tissue control (tissue known to express PKC-beta 1) and a negative control (omitting the primary antibody) in each IHC run.

Troubleshooting & Storage Guidelines

Storage Conditions: Store PKC-beta 1 Mouse mAb (Ab349200) at -20°C. Aliquot upon first use to avoid repeated freeze-thaw cycles, which may reduce antibody activity. Do not store at 4°C for extended periods. Refer to the product datasheet for information on stabilizers or carrier proteins present in the formulation.

Common Troubleshooting Tips:

• No Signal / Weak Signal: Increase primary antibody concentration; extend primary antibody incubation time; verify secondary antibody compatibility (must be anti-mouse); check protein transfer efficiency; confirm antigen expression in the chosen cell/tissue model.
• High Background: Increase blocking time or blocking agent concentration; increase wash stringency (frequency or detergent concentration); reduce primary antibody concentration; optimize antigen retrieval conditions for IHC.
• Multiple Non-Specific Bands (WB): Reduce primary antibody concentration; ensure complete denaturation of the sample; use a more stringent lysis buffer.
• Inconsistent Results Between Experiments: Ensure consistent sample preparation and protein quantification; use freshly prepared working dilutions; avoid freeze-thaw cycles of prepared antibody aliquots.

Frequently asked questions

What applications is PKC-beta 1 Mouse mAb (Ab349200) validated for?

PKC-beta 1 Mouse mAb (Ab349200) is suitable for Western blot (WB) and immunohistochemistry (IHC) applications. Please consult the product datasheet (absea#KC-1949) for the complete, lot-verified list of validated applications and species reactivity.

What secondary antibody should I use with PKC-beta 1 Mouse mAb?

Because PKC-beta 1 Mouse mAb is raised in mouse, you should use an HRP-conjugated or fluorophore-conjugated anti-mouse secondary antibody. For IHC, choose an anti-mouse secondary antibody compatible with your detection system (e.g., DAB/HRP or fluorescence-based).

How should I store PKC-beta 1 Mouse mAb to maintain its activity?

Store the antibody at -20°C and aliquot into single-use volumes upon first thaw to prevent repeated freeze-thaw cycles, which can degrade antibody performance. Refer to the product datasheet for formulation-specific storage recommendations, including whether glycerol or BSA is present as a stabilizer.

What is the biological significance of PKC-beta 1 in research?

PKC-beta 1 (PRKCB1) is a classical, calcium-dependent serine/threonine kinase involved in key signaling pathways including B-cell receptor signaling, cell proliferation, angiogenesis, and apoptosis. It is frequently studied in the context of cancer biology, diabetic complications, and cardiovascular disease, making it an important research target.

Why am I seeing high background in my IHC experiment with this antibody?

High background in IHC is commonly caused by insufficient blocking, inadequate washing, or a primary antibody concentration that is too high. Optimize by increasing blocking time to 60 minutes with 10% normal serum, increasing the number and duration of wash steps, and titrating the primary antibody to a lower working concentration. Ensure antigen retrieval conditions are appropriate for your tissue type.

References

1. Aladdin Scientific. PKC-beta 1 Mouse mAb, Catalog No. Ab349200. Product Datasheet (absea#KC-1949). Aladdin Scientific.
2. Nishizuka Y. Intracellular signaling by hydrolysis of phospholipids and activation of protein kinase C. Science. 1992;258(5082):607-614. doi:10.1126/science.1411571
3. Mellor H, Parker PJ. The extended protein kinase C superfamily. Biochemical Journal. 1998;332(Pt 2):281-292. doi:10.1042/bj3320281

Products are supplied for research and development use only. Not for use in humans, animals, diagnosis, or therapy.