AMY2B Mouse mAb: Usage Guidelines & Protocol Overview

AMY2B Mouse mAb is a mouse-derived monoclonal antibody targeting human amylase alpha 2B (pancreatic), designed to support specific and reproducible detection of AMY2B protein in standard immunological assays.

Product SKU

Ab350868

Antibody Type

Mouse Monoclonal Antibody (mAb)

Formulation

PBS only (no carrier protein, no preservative)

Target Antigen

AMY2B (Amylase Alpha 2B, Pancreatic)

Host Species

Mouse

Reference / Source Code

absea#KC-49598

Overview of AMY2B and Antibody Specifications

AMY2B (Amylase Alpha 2B) is a pancreatic isoform of alpha-amylase, a glycoside hydrolase enzyme responsible for the hydrolysis of starch and other polysaccharides. It is secreted primarily by the exocrine pancreas and plays a central role in carbohydrate digestion. Elevated serum levels of pancreatic amylase serve as a diagnostic marker for conditions such as acute pancreatitis, pancreatic cancer, and other pancreatic disorders.

The AMY2B Mouse mAb (Ab350868) is a mouse-derived monoclonal antibody raised against the AMY2B antigen. The antibody is supplied in PBS (phosphate-buffered saline) without additional carrier proteins or preservatives, making it suitable for direct conjugation or standard immunoassay applications. The source reference code for this product is absea#KC-49598.

Storage, Handling, and Stability Guidelines

Short-term storage: For use within 1–4 weeks, store the antibody at 2–8 °C (refrigerator temperature). Keep the vial tightly sealed to prevent evaporation and contamination.

Long-term storage: For extended storage beyond one month, aliquot the antibody into single-use volumes and store at −20 °C or −80 °C. Avoid repeated freeze-thaw cycles, as these can denature the antibody and reduce binding activity.

Formulation note: Because this product is formulated in PBS only (without glycerol or BSA), it may be more susceptible to freeze-thaw damage than glycerol-containing preparations. Adding a carrier protein (e.g., 0.1% BSA) to the working stock is recommended if long-term stability at −20 °C is required.

General handling: Always centrifuge the vial briefly before opening. Work on ice whenever possible. Avoid prolonged exposure to light if a fluorescent conjugate is used downstream.

Recommended Applications and Dilution Protocol

Monoclonal antibodies targeting AMY2B are commonly employed in a range of immunological techniques. Based on the antibody class and formulation, the following applications are typically considered:

• Western Blot (WB): Start with a primary antibody dilution in the range of 1:500–1:2000 in blocking buffer (5% non-fat dry milk or BSA in TBST). Incubate overnight at 4 °C with gentle rocking. Use an appropriate anti-mouse HRP-conjugated secondary antibody.
• Immunohistochemistry (IHC): Perform antigen retrieval as appropriate for the tissue type. Apply primary antibody at 1:100–1:500 dilution. Incubate for 1 hour at room temperature or overnight at 4 °C.
• Immunofluorescence (IF): Dilute 1:100–1:400. Fix and permeabilize cells prior to antibody incubation. Use an anti-mouse fluorescent secondary antibody.
• ELISA: Optimize coating and detection concentrations empirically; a starting range of 0.5–2 µg/mL for coating is typical.

Note: Optimal dilutions should be determined by the end user for each specific experimental system and tissue type. The above ranges are general starting-point recommendations and have not been independently validated by Aladdin Scientific for this specific lot.

Troubleshooting Common Issues

The following troubleshooting guide addresses the most frequent challenges encountered when working with mouse monoclonal antibodies in immunoassay formats:

Symptom	Likely Cause	Recommended Action
No signal / weak signal	Antibody degraded; suboptimal dilution; antigen loss	Check storage history; titrate antibody; verify antigen integrity; optimize antigen retrieval (IHC)
High background	Insufficient blocking; antibody concentration too high; secondary antibody cross-reactivity	Increase blocking time/concentration; reduce primary antibody concentration; use species-adsorbed secondary
Non-specific bands (WB)	Overloaded sample; antibody concentration too high	Reduce sample loading; optimize primary antibody dilution
Variable results between experiments	Freeze-thaw damage; pipetting inconsistency	Aliquot antibody; use calibrated pipettes; maintain consistent incubation times and temperatures

Frequently asked questions

What is the recommended storage condition for AMY2B Mouse mAb (Ab350868)?

For short-term use (within 1–4 weeks), store at 2–8 °C. For long-term storage, aliquot into single-use volumes and store at −20 °C or −80 °C. Because the antibody is formulated in PBS only without glycerol, minimize freeze-thaw cycles to preserve antibody activity.

What applications is AMY2B Mouse mAb suitable for?

AMY2B Mouse mAb is generally suitable for immunological applications including Western blot (WB), immunohistochemistry (IHC), immunofluorescence (IF), and ELISA. Optimal dilutions and conditions must be determined empirically by the end user for each specific application and sample type.

Why is the antibody formulated in PBS only, and does this affect downstream use?

The PBS-only formulation (without BSA or glycerol) minimizes interference with downstream conjugation chemistry and is convenient for researchers who wish to couple the antibody to labels or surfaces. However, it may be less stable under repeated freeze-thaw conditions compared to glycerol-containing formulations; aliquoting before freezing is strongly recommended.

What secondary antibody should be used with AMY2B Mouse mAb?

Because AMY2B Mouse mAb is a mouse-derived monoclonal antibody, an anti-mouse secondary antibody is required. Select the appropriate conjugate (HRP, AP, or fluorescent dye) based on your detection method. Ensure the secondary antibody is raised in a species different from your sample organism to avoid cross-reactivity.

References

1. Product datasheet: AMY2B Mouse mAb, Ab350868, Aladdin Scientific. Source reference absea#KC-49598.
2. Whitcomb DC, Lowe ME. Human pancreatic digestive enzymes. Dig Dis Sci. 2007;52(1):1–17. doi:10.1007/s10620-006-9589-z
3. Warshaw AL, Lee KH. Serum and urine amylase levels in clinical diagnosis of acute pancreatitis. Ann Surg. 1975.

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