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HEREDITARY BREAST AND OVARIAN CANCER TEST
The new DNA test is a single
assay, which enables comprehensive mutation detection in a number of genes
linked to hereditary breast and ovarian cancer. The test covers 88
positions: 57 in the BRCA1 gene, 25 positions in the BRCA2 gene, 3 in the
CHEK2 gene, one position in the RAD51 gene, one in NBN gene and one in CASP8
gene.
The estimate is
that 7 % of all cases of breast cancer and 10% of all cases of ovarian
cancers are considered hereditary. Mutations of the BRCA1 and BRCA2 genes
have been found in about 84% of all breast and ovarian cancer patients.
In a woman who has a clinically important BRCA-gene
mutation, the probability of developing breast or ovarian cancer by age 70
years is estimated to be 35 to 84% for breast cancer and 10% to 50% for
ovarian cancer.
A
C
G T
•Nucleotide
change in the 5002 position of the
BRCA1
gene. The C signal in the sense strand and G signal in the antisense
strand indicate a heterosygous mutation. The given mutation causes an
amino acid change of Met>Thr.
Requirements for the DNA samples
-
The DNA quality
needs to be ensured (best if isolated with Qiagen kits).
-
At least 3
mg
of genomic DNA is required for this chip analysis
-
Preferred
concentration range of DNA is 100-250 ng/µl.
-
DNA samples should
be provided in pure sterile water.
DNA sample submitting
-
For speedy and
secure delivery, international courier services, for example DHL,
UPS and FedEx, are recommended; alternatively, you can send samples
by air mail as a small parcel.
-
Since high quality
DNA samples are stable, there is no need for shipment on dry or wet
ice.
Care should be taken to avoid drying out; please use either screw
cap tubes or wrap the caps of each Eppendorf tube with parafilm.
-
In order to avoid
damage to the tubes during shipment, a tube storage box made of
plastic or cardboard, and doubling it with a padded envelope, is
recommended. Please avoid using round containers, such as 50 ml
Corning tubes, for tube protection.
-
Send samples to the
following address:
Asper Biotech
Oru 3
Tartu 51014
Estonia
Ph: +372 7 441 556
-
Please fill in the DNA sample
submission form, which improves and accelerates the handling of
DNA samples submitted to Asper and include it in the package as you
ship samples. Download the form in
Microsoft Word
or
Adobe Acrobat (pdf)
format.
-
Notify us by email
(info@asperbio.com, or the
respective project manager), including the number of samples, which
test is to be performed, and shipment tracking data).
-
Enclose in the package
the list of samples, which test is to be performed and DNA
quality data.
-
Please make sure
that the declared value for the package in the shipment documents
does not exceed 10 EUR (USD).
Additional services
Additional verification by DNA Sequencing
To confirm the results with secondary method, Asper provides
verification of the APEX findings by dideoxy sequencing. Sequencing will
be performed under strict quality control regulations by professionally
trained personnel on Applied Biosystems 3130 Genetic Analyzer.
Hard copies of the reports on official blank
Asper can provide the formatted results on company’s official letter
blank upon request. The hard copy will be signed and sealed by head of
the lab and sent out by registered mail.
Storage of DNA samples at Asper's DNA bank
Asper always performs the screening with as limited amount of DNA as
possible. If there will be enough remained DNA; it can be storaged in
Asper’s DNA bank. The DNA can be used for further analysis by other
tests or just for re-screening. The amount of remained DNA will be
measured and report will be sent to partner. The data of DNA samples
will be recorded in our laboratory information system and stored under
strict quality controlled manner.
Returning of DNA samples
The remained DNA can be also sent
back to partners either by regular mail or by courier.
Turnaround Time
Standard delivery – The results will be delivered approximately in 3
– 6 weeks after the arrival of samples.
Express delivery – The results will be delivered in 3 – 5 working
days from the arrival of samples. Please note that the cost of the
express delivery differs from the standard delivery.
For further information
Payment details
Please contact: info@asperbio.com
Hereditary Breast and Ovarian
Cancer test (pdf, 367 kb)
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