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Macrophage Chemokine Ligand 19 (CCL19) ELISA Kit, qPCR (MTS-1123-HM15)

Overview

Description
Creative Biolabs provides sandwich ELISA kit for semi-quantitative measurement of Chemokine Ligand 19 (CCL19) in different sample types by qPCR.
Applications
ELISA
Qualified With
Quality Certificate
Detection Method
qPCR
Method Type
Sandwich ELISA
Analytical Method
Semi-Quantitative
Sample Type
Cell Culture Supernatant, Plasma, Serum
Specificity
Chemokine Ligand 19 (CCL19)

Specification

Size
96 tests
Sample Volume
25 µL
Plate
Pre-coated
Bioassay Target Name
Chemokine Ligand 19 (CCL19)
Storage
4 °C, -20 °C, -80 °C
Storage Comment
Reference to the protocol
Expiry Date
6 months
Product Disclaimer
This product is provided for research only, not suitable for human or animal use.

Target Details

Full Name
C-C motif chemokine ligand 19
Synonyms
ELC; CKb11; MIP3B; MIP-3b; SCYA19
Background
This antimicrobial gene is one of several CC cytokine genes clustered on the p-arm of chromosome 9. Cytokines are a family of secreted proteins involved in immunoregulatory and inflammatory processes. The CC cytokines are proteins characterized by two adjacent cysteines. The cytokine encoded by this gene may play a role in normal lymphocyte recirculation and homing. It also plays an important role in trafficking of T cells in thymus, and in T cell and B cell migration to secondary lymphoid organs. It specifically binds to chemokine receptor CCR7.
Sub Cat Reactivity Sensitivity Detection Range  
MTS-1123-HM795 Human 0.2 pg/mL Inquiry
MTS-1123-HM796 Mouse 0.5 pg/mL Inquiry
FAQs Customer Reviews Related Products

This says "ELISA kit, qPCR." Does that mean we need a real-time PCR machine, and how different is the workflow from a standard colorimetric ELISA?

Yes-because the detection method is specified as qPCR, you should plan to use a real-time PCR instrument and follow the qPCR-specific steps in the protocol. Compared with a classic colorimetric ELISA (OD readout), the main difference is that signal generation is ultimately read by qPCR rather than absorbance. Many labs choose this type of platform when they want to work with smaller sample volume and potentially improve low-level detection, but it does require careful setup to prevent contamination and to ensure consistent qPCR conditions across runs (controls, calibration, and uniform cycling parameters).

The analytical method is "semi-quantitative." How should we interpret results-can we still compare across plates and across weeks?

"Semi-quantitative" generally means you can confidently compare samples within the same run and across runs when you include appropriate bridging controls, but you should be cautious about treating every output as an absolute concentration without validating your calibration strategy. We recommend running a consistent internal reference sample on every plate (or a calibrator panel) so you can normalize between experiments. Also, keep your qPCR settings identical (reagents, thresholds, and analysis method) and avoid mixing instruments mid-study. If your project requires strict absolute quantitation across many weeks, we can advise on a standardization plan to improve comparability.

Our plasma volume is limited (mouse studies). Is 25 µL truly enough, and what should we do to avoid wasting samples during optimization?

The kit specification lists 25 µL sample volume, which is exactly why many customers pick the qPCR-detection format for small-animal or scarce clinical samples. To avoid wasting sample during setup, we suggest a staged approach: first run a small pilot with pooled plasma (or a few representative samples) at two to three dilutions to confirm the response range and matrix behavior. Once you select a dilution that places most samples in a usable window, lock that condition and proceed with your full cohort. Planning a pilot is almost always more sample-efficient than troubleshooting after a full plate.

  • Excellent when sample volume is tiny and low-level detection matters
    We chose the CCL19 qPCR-readout kit because we had limited plasma from a mouse inflammation model and standard ELISAs were borderline. The smaller sample input helped a lot, and the assay was sensitive enough to see separation between groups. The tradeoff is workflow complexity: you need clean qPCR practices, and data interpretation is not identical to OD-based ELISA. Once we standardized thresholds and included the same calibrator on every plate, reproducibility improved.
  • Powerful platform, but you must treat it like both ELISA and qPCR
    This kit feels like a hybrid workflow. If your lab already runs qPCR routinely, the learning curve is manageable; if not, build in time for training. We liked that it supported serum and supernatant and didn't demand large volumes. We ran duplicates and included no-template/negative controls on the qPCR side, which helped catch issues early. After a couple of plates, the process became smooth and gave strong biological discrimination in low-abundance samples.
  • Great for scarce samples, though not as "simple" as colorimetric ELISA
    The main benefit for us was conserving sample-especially valuable when working with limited patient sera. The protocol required attention to detail, but the performance was worth it for our application. We also appreciated that the plate came pre-coated, which reduced variability from coating steps. Our recommendation: do a pilot, define your acceptance criteria (replicate agreement and control behavior), then scale up. It's a strong tool when you need sensitivity and can support the workflow.

For Research Use Only. Do Not Use in Food Manufacturing or Medical Procedures (Diagnostics or Therapeutics). Do Not Use in Humans.

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