Cell Line Authentication & Research Services

1-800-IDENTITY® (433-6848) * 1-513-206-1653

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    • Home
    • About Us
    • Services
      • Human Cell Authentication
      • Mouse Cell Authentication
      • Mycoplasma Test
      • g-banded Karyotyping
      • MSI Testing
      • STR Profiling - QC Test
      • DNA Extraction Service
    • Pricing
    • Resources
      • FAQs
      • Journal and NIH Info
      • What is STR Profiling
      • References
      • ICLAC Info
    • Results Login
    • Contact Us
Cell Line Authentication & Research Services

1-800-IDENTITY® (433-6848) * 1-513-206-1653

  • Home
  • About Us
  • Services
    • Human Cell Authentication
    • Mouse Cell Authentication
    • Mycoplasma Test
    • g-banded Karyotyping
    • MSI Testing
    • STR Profiling - QC Test
    • DNA Extraction Service
  • Pricing
  • Resources
    • FAQs
    • Journal and NIH Info
    • What is STR Profiling
    • References
    • ICLAC Info
  • Results Login
  • Contact Us

Microsatellite Instability (MSI) Testing

Summary

Labcorp  offers Microsatellite Instability (MSI) testing to researchers for  determination of the MSI status between a human tumor sample and a  control sample from the same individual (human tissues and/or extracted  DNA from human tissue) and/or human cell lines.

Microsatellite instability [7] is a change in the length of a microsatellite allele due to insertion  or deletion of repeating units during DNA replication and failure of the  DNA mismatch repair system to correct these errors.  Alleles present in  the tumor sample but not found in the corresponding reference sample  indicates presence of microsatellite instability.  Microsatellite  Instability (MSI) analysis can be used as a screening method to identify  human tumor samples in need of further characterization (e.g. for gene  mutations involved in specific cancer pathways).

The  kit used for human MSI testing (Promega Corporation) includes  fluorescently labeled primers for co-amplification of seven markers  including five mononucleotide repeat markers (BAT-25, BAT-26, NR-21,  NR-24, and MONO-27) and two pentanucleotide repeat markers (Penta C and  Penta D).  The mononucleotide markers are used to detect MSI and the  pentanucleotide markers are used as quality control markers to detect  possible sample mix-ups and/or contamination with another sample.

Call us at 1-800-IDENTITY (USA) or 1-513-985-9777 (INTL) or Contact Us for more information and for pricing.  Volume discounts available.


PLEASE NOTE:
THIS TEST IS FOR IN VITRO RESEARCH USE ONLY.  NOT FOR USE IN DIAGNOSTIC PROCEDURES.

Sample Preparation Instructions

  • We  accept cell lines (fresh, frozen, dried cell pellets), tissue or genomic  DNA from cell lines or tissue of interest (please note, extra fees may  be charged for FFPE or other difficult samples)
  • We  can use ONE sample for STR profiling (cell line authentication), qPCR  mycoplasma testing, and MSI testing; same minimum volume/cell  requirements as for cell line authentication.

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