Plasma-SeqSensei™ Colorectal Cancer RUO Kit by Sysmex Europe GmbH

Manufacturer Sysmex Europe GmbH  |  Available Worldwide
Plasma-SeqSensei™ (PSS) CRC RUO Kit allows the highly sensitive and specific detection of mutations in circulating tumour DNA (ctDNA) from plasma of patients with colorectal cancer (CRC). The kit is based on the next-generation sequencing technology and covers key mutations of the MAPK signaling genes KRAS, NRAS and BRAF and the PIK3CA genes. These genes significantly contribute to the development of colorectal cancer and are important biomarkers utilised for prognosis, choice of therap... Read more


Plasma-SeqSensei™ Colorectal Cancer RUO Kit by Sysmex Europe GmbH product image
Plasma-SeqSensei™ Colorectal Cancer RUO Kit
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Plasma-SeqSensei™ (PSS) CRC RUO Kit allows the highly sensitive and specific detection of mutations in circulating tumour DNA (ctDNA) from plasma of patients with colorectal cancer (CRC).

The kit is based on the next-generation sequencing technology and covers key mutations of the MAPK signaling genes KRAS, NRAS and BRAF and the PIK3CA genes. These genes significantly contribute to the development of colorectal cancer and are important biomarkers utilised for prognosis, choice of therapy, as well as monitoring of recurrence and therapy response. 

KRAS is mutated in ~40% of all CRC cases (in exon 2, codons 12 (70-80%) and 13 (15-20%)). The remaining mutations are mainly located in exon 3 codons 59-61 and in exon 4 (codons 117 and 146). 

Mutations in NRAS are present in ~3-5% of CRC cases (in exon 3 codon 61 (60%) and in exon 2 codons 12, 13). NRAS mutations are normally mutually exclusive to KRAS alterations. 

BRAF mutations (overall V600E) occur in 8-12% of mCRC patients and are almost exclusively non-overlapping with RAS mutations.

The frequency of PIK3CA mutations in CRC is 7-32% (mutation hotspots are located on exons 9 and 20). 

For the configuration of the Plasma-SeqSensei™ CRC RUO kits 4 key cancer genes were selected after comparison of mutation frequencies using the COSMIC (Catalogue of Somatic Mutation in Cancer) and cBioPortal for cancer genomics databases.

Features

  • Highly sensitive <0.07 % MAF
  • Able to detect 7 MM with 95 % confidence across all mutations (absolute quantification)
  • High flexibility of between 2 - 16 samples/run
  • Fast TAT (2 days)
  • Convenient software