CALR mutation kit

Background on Myeloproliferative Neoplasms and CALR Mutations

Myeloproliferative Neoplasms (MPNs) are hematologic disorders characterized by excessive production of one or more myeloid cell lineages. Conditions such as essential thrombocythemia (ET) and primary myelofibrosis (PMF) are often driven by somatic mutations that disrupt normal hematopoiesis. Among these, mutations in the CALR gene, specifically insertions and deletions in exon 9, have been identified as key drivers in MPN pathogenesis. Detecting these mutations is essential for research into disease biology, genotype-phenotype correlations, and the development of targeted therapeutic approaches.

CALR mutations are mutually exclusive with JAK2 and MPL mutations and are highly prevalent in JAK2-negative MPN patients. Accurate detection of these exon 9 variants provides insights into disease prognosis, clinical classification, and molecular mechanisms underlying abnormal megakaryocyte proliferation and platelet overproduction. For molecular research, precise identification of CALR mutation types and zygosity is critical for understanding their functional impact.

Kit Description

The CALR™ Mutation Detection Kit offers a single workflow solution for identifying insertions and deletions in exon 9 of the CALR gene. Utilizing PCR combined with capillary electrophoresis, the assay delivers precise sizing and characterization of mutant alleles. The kit is designed for research use and optimized for laboratories requiring high sensitivity and reproducibility in MPN mutation detection. By combining amplification and fragment analysis in a streamlined protocol, the kit minimizes handling steps and reduces the risk of experimental variability.

Integrated Control

The kit includes an integrated control to verify assay performance and support accurate interpretation of results. This ensures reliable detection across multiple runs and sample types, providing confidence in data reproducibility. Researchers can use the control to distinguish true CALR mutations from artifacts, which is particularly important when working with low-frequency variants or complex clinical samples.

Reagents and Assay Performance

All components in the CALR™ Mutation Detection Kit are manufactured under strict quality standards. Primers, PCR reagents, and capillary electrophoresis components are optimized for high specificity and sensitivity. The assay is validated to reliably detect both type 1 (52-bp deletion) and type 2 (5-bp insertion) mutations, as well as less common exon 9 variants. This broad coverage enables comprehensive research into CALR mutation spectra in MPN cohorts.

The kit has been validated with reference samples and synthetic constructs to ensure reproducible and robust performance. Its compatibility with standard molecular biology workflows allows integration with DNA extraction, PCR platforms, and fragment analysis systems, supporting end-to-end experimental workflows.

Research and Biological Significance

CALR mutations activate the thrombopoietin receptor signaling pathway and influence megakaryocyte differentiation, platelet production, and JAK-STAT signaling. Characterizing these mutations in research settings enables a better understanding of disease mechanisms, facilitates correlation with clinical phenotypes, and supports biomarker discovery. By providing reliable detection of CALR exon 9 variants, this kit contributes to studies on mutation prevalence, allelic burden, and functional effects in MPN pathophysiology.

Summary

The CALR™ Mutation Detection Kit provides a research-grade solution for accurate and reproducible detection of exon 9 insertions and deletions in the CALR gene. Its combined PCR and capillary electrophoresis workflow, integrated assay control, and validated reagents ensure high-quality data with minimal procedural complexity. Optimized for integration into existing molecular research workflows, the kit supports high-throughput studies while maintaining analytical precision. By enabling reliable identification of CALR mutations, the kit allows laboratories to advance MPN research, support biomarker discovery, and explore the molecular basis of disease for future therapeutic strategies.