| Field | Specification |
|---|---|
| Species | |
| Applications | |
| Sample type(s) | Compounds that affect hyaluronidase activity |
| Detection method | |
| Assay time | |
| Storage | |
| Shelf life | |
| Shipping | |
| Catalog no. (Mfr.) | |
| Main SKU |
Overview
For evaluation and high-throughput screen (HTS) of hyaluronidase modulators. The assay uses Turbidimetric (OD 600nm) for signal readout. Compatible sample input includes Compounds that affect hyaluronidase activity. Typical stated assay timing is 30 min.
Key elements and design rationale
- Readout format: Turbidimetric (OD 600nm) supports plate-based signal acquisition and consistent comparison across matched samples.
- Sample compatibility: The stated sample scope includes Compounds that affect hyaluronidase activity, which is useful when aligning matrix type with calibration and control design.
- Workflow timing: The listed assay time of 30 min helps frame batch planning, replicate handling, and plate throughput.
- Feature emphasis: Rapid and reliable. The entire assay can be completed in 30 min.
Additional feature notes highlight Simple and Convenient. Simple procedure with an enzymatic reaction and addition of stop reagent. No wash or reagent transfer steps are involved; Robust and amenable to HTS. Can be readily automated on HTS liquid handling systems for processing thousands of samples per day. Available format information for this listing includes 100 Tests (Custom bulk sizes available upon request).
Biological background
This product is centered on measurement of hyaluronidase inhibitor screening within the matrices described for the assay. In practice, datasets from this type of format are typically interpreted by comparing relative signal, activity, or abundance across matched control and experimental groups rather than relying on a single value in isolation. Careful alignment of sample matrix, incubation window, and calibration strategy is important when comparing results across plates, operators, or study days.
More details
HYALURONIDASESare a family of enzymes that catalyze the degradation of the glycosaminoglycan, hyaluronic acid. Hyaluronic acid is one of the major constituents of the extracellular matrix in organisms where it contributes to both cell proliferation and migration. The role of hyaluronidases in breaking down this key factor in cell proliferation makes them a possible target for cancer treatment. One hypothesis is that increased hyaluronidase may help prevent tumor invasion by breaking down the extracellular matrix needed for tumor expansion. Conversely, decreasing hyaluronidase activity might prevent metastasis by stopping cancer cells from escaping primary tumor masses. The study to determine hyaluronidases’ exact role in cancer pathology is still ongoing.BioAssay Systems’ Hyaluronidase Inhibitor Screening Assay Kit uses a two-step turbidimetric reaction to measure hyaluronidase activity by the amount of hyaluronic acid that is hydrolyzed. A stop reagent halts the enzymatic reaction and forms turbidity with any residual hyaluronic acid in the well. The decrease in turbidity at 600 nm is directly proportional to hyaluronidase activity in the sample.
Detection method
Colorimetric (OD 600 nm).
Procedures and timing
Stated procedure or timing information: 30 min.
Screening services
BioAssay Systems offers comprehensive Hyaluronidase lead discovery services, including compound library screening, inhibitor profiling, and high-throughput assays to identify potential drug candidates. We provide detailed analyses of compound activity, potency, and selectivity, supporting hit-to-lead and lead optimization efforts. Please contact us by Service .
Research relevance and current trends
- Plate-based quantification and side-by-side group comparison remain central use cases for this assay format.
- The product notes emphasize multi-sample throughput, making it relevant for screening-oriented and larger batch comparison studies.
- The description supports intervention-focused study designs in which researchers compare baseline and perturbed conditions.
Common research applications
- Quantify hyaluronidase inhibitor screening in compounds that affect hyaluronidase activity by Turbidimetric (OD 600 nm).
- Compare treatment or phenotype groups using matched compounds that affect hyaluronidase activity handling.
- Monitor time-course or pre/post changes in compounds that affect hyaluronidase activity across study conditions.
Interpretation is usually strongest when signal changes are assessed alongside matrix-matched controls, replicate agreement, and the assay's stated analytical window.
Notes for experimental interpretation
- Matrix composition, background signal, and sample handling can influence apparent response; compare like-with-like whenever possible.
- Use appropriate blanks, controls, and replicate wells to distinguish biological differences from plate, reagent, or handling variability.
How do I calculate the concentration of test compound in the reaction?
The final concentration of the test compound in the 100 µL reaction is 5× lower than the 20 µL of test compound. So if 20 µL of 100 µM test compound was added to the well, the final concentration of test compound in the 100 µL enzymatic reaction would be 20 µM. The final concentration after adding 160 µL Stop Reagent is irrelevant because the reaction is stopped after its addition.
My percent inhibition readout is greater than 100%?
Inhibition readouts slightly over 100% (e.g. 100% to 110%) are not an issue and can be assumed to just be 100% inhibition. Inhibition readouts significantly over 100% may mean there is a substance interfering with the assay.
My percent inhibition readout is negative?
Inhibition readouts that are slightly negative (e.g. -1% to -10%) are not an issue and can be assumed to be 0% inhibition. Inhibition readouts that are significantly negative may mean there is a substance interfering with the assay or that the test compound is acting as an activator to improve the enzyme activity rather than inhibit it.
I am using a different species or a different brand of hyaluronidase, how do I determine the optimal hyaluronidase concentration for inhibitor screening?
How to Determine Optimal Hyaluronidase Concentration for Inhibitor Screening:
1. Prepare stock Hyaluronidase solution in Enzyme Buffer (start at a high concentration, you can always dilute down). In eppendorf tubes, serially dilute 50 µL of stock Hyaluronidase in Enzyme Buffer.
2. Transfer 40 µL of each Hyaluronidase dilution into separate wells of a clear, flat bottom 96-well plate
3. Transfer 40 µL of dH2O into two separate wells for the No Enzyme Control (NEC) and No Substrate Control (NSC).
4. Prepare enough Working Reagent for each well by combining 10 µL Substrate and 35 µL of Assay Buffer. Add 40 µL Working Reagent to sample wells and the NEC. Add 40 µL Assay Buffer to the NSC well.
6. Tap plate briefly to mix and incubate the plate for 20 minutes at room temperature.
7. Add 160 µL Stop Reagent to each well. Tap plate to mix briefly and thoroughly.
8. Incubate for 10 minutes at room temperature and read optical density at 600 nm.
How to Determine Optimal Hyaluronidase Concentration for Inhibitor Screening:
Select a concentration of enzyme that yields an OD600nm reading about half way between the NEC and NSC OD600nm readings.
Note: the low concentrations of enzyme may produce OD600nm readings slightly higher than the NEC, this is normal.
Note: the low concentrations of enzyme may produce OD600nm readings slightly higher than the NEC, this is normal.
For laboratories requiring additional technical capacity, we provide scientific support services including assay execution, method guidance, product sourcing, and customization to align the assay with specific experimental objectives. If you need assistance selecting the appropriate kit configuration, adapting the workflow to your application, or identifying related research services, please click Talk to a Scientist, email support@biohippo.com, or review our Research Services; a member of our scientific team will follow up with recommendations tailored to your study.
