https://www.gosh.nhs.uk/wards-and-departments/departments/laboratory-medicine/laboratory-database/granule-release-assay/
Granule release assay
EPIC
Granule release assay
Section
Immunology
Clinical indications
Tests the ability of T and NK cells to degranulate in response to a stimulus and express CD107a on their surface. Screens the pathway that includes syntaxin 11 and Munc13 to 4/18-2, lyst and Rab27a
Specimen requirement
5mls EDTA plus a healthy control sample. Please send 1ml extra EDTA for DNA storage
Dispatch and handling instructions
This is a 2 day assay. Samples sent on a Friday may need repeating if results are abnormal. Where possible send Mon-Thurs only. Samples should be less than 24 hours old. This test should only be undertaken under the direction of a Consultant Immunologist/ Senior Clinical Scientist. External referrals must be discussed with Dr Kimberly Gilmour (020 7813 8466) or her deputy and accompanied by a completed referral form (available on website)
Turnaround time
5 days
Synonym
Not applicable
Is it IS0 15189 accredited?
Yes