Use of Extan PMP22 Kit by Centogene

Overall

Quality of Results

Ease-of-Optimization

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Sir Ganga Ram Hospital, New Delhi
Center of Medical Genetics
Senior Consultant

Company:

Centogene

Product Name:

EXTAN PMP22 Kit

Catalog Number:

OMIM 601097

Extan Kit for PMP22 by Centogene was used to identify point mutations responsible for CMT1A / CMT1E. The instructions in the kit for the setting up of experiment were explicit making the kit very easy to use. Sanger sequencing of the PCR products amplified using primer sets provided in the kit gave us satisfactory results. Dosage analysis of PMP22 gene which is already established in our laboratory along with the EXTAN PMP22 kit will help us to delineate the molecular defect responsible for causing Charcot–Marie–Tooth disease.

Experimental Design and Results Summary

Application

Diagnosis

Starting Material

DNA

Protocol Overview

The testing for PMP22 gene was done using EXTAN PMP22 kit provided by CENTOGENE. Protocol:The primers and Positive Amplification Control (PAC) were reconstituted according to the Manufacturer’s guidelines.We have used three different Taq polymerases to amplify the fragments. Taq polymerases used were: 1) Bangalore GeNei (Taq 3U/microL; 10X buffer)2) AmpliTaq Gold (Taq 5U/microL; MgCl2, 10X buffer II)3) HotStar Taq Plus Polymerase (Taq 5U/microL; 10X buffer; 5X Q Solution)PCR was set up for the three test DNA samples provided by the Manufacturer along with the PAC and negative control. PCR program used was “CENTO 1” with a modification in the initial denaturation step (Instead of 15 minutes, we used 5 minutes only as initial denaturation)

Tips

Stick to the Manufacturer's instructions for Best results

Results Summary

With HotStart Taq, we were able to amplify all specific fragments for all the three Test DNA samples along with the PAC. Sequencing PCR was setup using Big Dye Terminator v3.1 Cycle Sequencing kit. Sequencing results were analysed using SeqScape and Blated using UCSC Genome Browser. Overall, the results obtained are Satisfactory

Additional Notes

None

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Summary

The Good

easy to use

The Bad

none

The Bottom Line

Easy to use product. No hassle to create primers and standardization.

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