جهش اکتسابی تیروزین کیناز JAK2 V617F در بیماری‌های Myeloproliferative مزمن ABL-BCR منفی در یک جمعیت از استان آذربایجان غربی

نوع مقاله : مقاله های پژوهشی

نویسندگان

1 استادیار، مرکز تحقیقات سلولی و مولکولی، دانشگاه علوم پزشکی ارومیه، ارومیه، ایران

2 استاد، مرکز تحقیقات سلولی و مولکولی، دانشگاه علوم پزشکی ارومیه، ارومیه، ایران

3 متخصص خون و انکولوژی، بخش هماتولوژی و انکولوژی، دانشکده‌ی پزشکی، دانشگاه علوم پزشکی ارومیه، ارومیه، ایران

چکیده

مقدمه: بیماری‌های Myeloproliferative مزمن یک عنوان کلی برای بیماری‌های کلونال هماتوپوئتیک است و در نتیجه‌ی تغییر شکل سلول‌های اجدادی خون‌ساز چند استعداده به وجود می‌آید که در نهایت، منجر به افزایش تولید در یک یا چند رده‌ی سلول خونی می‌گردد. شناسایی جهش نقطه‌ای JAK2 V617F یک کشف مهم در زمینه‌ی نئوپلاسم‌های Myeloproliferative مزمن است. این مطالعه به منظور تعیین فراوانی این جهش در افراد مبتلا به بیماری‌های Myeloproliferative مزمن ABL-BCR منفی در استان آذربایجان غربی انجام شد.روش‌ها: در این مطالعه، 43 نفر از بیماران با تشخیص نئوپلاسم‌های Myeloproliferative مزمن ABL-BCR منفی مشارکت داشتند. از روش‌های Amplification-refractory mutation system-polymerase chain reaction (ARMS-PCR) و Allele-specific oligonucleotide-real time-PCR (ASO-RT-PCR) برای تعیین جهش مورد نظر استفاده شد.یافته‌ها: در این مطالعه، جهش اکتسابی تیروزین کیناز JAK2 V617F در 33 نمونه (74/76 درصد) از بیماران مبتلا به نئوپلاسم‌های Myeloproliferative مزمن ABL-BCR منفی یافت شد. در این بررسی، جهش اکتسابی تیروزین کیناز JAK2 V617F درکل نمونه‌ها، توسط هر دو روش تعیین شد.نتیجه‌گیری: جهش اکتسابی تیروزین کیناز JAK2 V617F در طیف وسیعی از بیماران مبتلا به نئوپلاسم‌های Myeloproliferative مزمن ABL-BCR منفی در استان آذربایجان غربی دیده می‌شود. تعیین جهش اکتسابی تیروزین کیناز JAK2 V617F از طریق روش‌های مولکولی ARMS-PCR وASO-RT-PCR برای تأیید تشخیص بالینی بیماری و مدیریت بیماران و روش‌های درمانی، با هزینه‌های پایین در مدت زمان اندک مؤثر می‌باشد.

کلیدواژه‌ها


عنوان مقاله [English]

Acquired Mutation of the Tyrosine Kinase JAK2 V617F in the ABL-BCR-Negative Chronic Myeloproliferative Diseases in a Population of West Azerbaijan Province, Iran

نویسندگان [English]

  • Morteza Bagheri 1
  • Isa Abdi-Rad 2
  • Davood Malek 3
  • Ali Eishi 3
  • Nasim Valizadeh 3
1 Assistant Professor, Cellular and Molecular Research Center, Urmia University of Medical Sciences, Urmia, Iran
2 Professor, Cellular and Molecular Research Center, Urmia University of Medical Sciences, Urmia, Iran
3 Hematooncologist, Department of Hematology and Oncology, School of Medicine, Urmia University of Medical Sciences, Urmia, Iran
چکیده [English]

Background: JAK2 V617F mutation presents in the majority of the ABL-BCR-negative chronic myeloproliferative disorders, nearly all the patients with polycythemia vera, about 50% of cases with essential thrombocytosis, or primary myelofibrosis, and 20% of patients with Philadelphia negative chronic myeloid leukemia. This mutation is an acquired and somatic point mutation and results in cytokine signaling as well as clonal hematopoiesis activation. This study was carried out to evaluate the JAK2 V617F mutation in patients with the ABL-BCR-negative chronic myeloproliferative disorders in the west Azerbaijan Province, Iran.Methods: 43 patients with the ABL-BCR-negative chronic myeloproliferative diseases entered the study. Peripheral blood samples were obtained for total DNAs and RNAs extraction via standard methods. The JAK2 V617F mutation was tested using amplification-refractory mutation system-polymerase chain reaction (ARMS-PCR) and allele-specific oligonucleotide-real time-polymerase chain reaction (ASO-RT-PCR) methods.Findings: The frequency of JAK2 V617F mutation was 76.74% (33/43) in our samples using both methods.Conclusion: Our results indicate that JAK2 V617F mutation is more frequent among patients with the ABL-BCR-negative chronic myeloproliferative diseases in Iranian west Azerbaijani patients. ARMS-PCR and ASO-RT-PCR methods are fast and inexpensive methods to recognize the JAK2 V617F mutation which is useful for management of patients with ABL-BCR-negative chronic myeloproliferative diseases.

کلیدواژه‌ها [English]

  • Myeloproliferative disorders
  • JAK2 protein tyrosine kinase
  • Mutation
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