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Published on: February 10, 2023
Familial Mediterranean fever associated pyrin mutations in Greece
K Konstantopoulos1, A Kanta, C Deltas
1Department of Medicine I, Athens University Medical School, Athens, Greece. kkonstan@med.uoa.gr
Objective:
To search for pyrin mutations associated with familial Mediterranean fever (FMF) in Greece.
Patients And Methods:
62 patients fulfilling the Tel Hashomer diagnostic criteria for definite (33) or probable (29) FMF diagnosis were studied. Eight point mutations of pyrin gene were tested by standard methods. Of the 62 patients tested, 48 were Greek, four were Jewish, seven were Armenian, and three were Arab.
Results:
42 patients were found to be homozygotes for pyrin mutations; 11 patients were found to carry only one of the tested mutations; in nine patients no mutations were detected.
Conclusion:
Molecular detection of pyrin gene mutations seems useful in confirming suspected cases, and in detecting asymptomatic cases, of Mediterranean fever in Greece. It may also be used as a screening tool within affected families.
Insights
Genetic testing for pyrin mutations aids in diagnosing familial Mediterranean fever (FMF) in Greece. This molecular approach helps identify affected individuals and carriers within families.
Area of Science:
- Genetics
- Molecular Biology
- Rheumatology
Background:
- Familial Mediterranean fever (FMF) is a genetic autoinflammatory disorder.
- Pyrin gene mutations are the primary cause of FMF.
- Accurate diagnosis is crucial for effective management.
Purpose of the Study:
- To investigate the prevalence of pyrin gene mutations in Greek FMF patients.
- To assess the utility of molecular testing for FMF diagnosis in Greece.
Main Methods:
- Studied 62 patients meeting diagnostic criteria for FMF.
- Analyzed eight common pyrin gene point mutations using standard molecular techniques.
- Included patients of Greek, Jewish, Armenian, and Arab ethnicities.
Main Results:
- Pyrin mutations were detected in 53 out of 62 patients.
- 42 patients were homozygous for pyrin mutations.
- 11 patients were heterozygous for pyrin mutations; 9 had no detectable mutations.
Conclusions:
- Molecular detection of pyrin mutations is valuable for confirming suspected FMF cases in Greece.
- Genetic testing can identify asymptomatic carriers within families.
- This approach serves as an effective screening tool for FMF.
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