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microRNAs (miRNAs) are endogenous non-coding RNAs that control gene expression at the posttranscriptional level. These small regulatory molecules play a key role in the majority of biological processes and their expression is also tightly regulated. Both the deregulation of genes controlled by miRNAs and the altered miRNA expression have been linked to many(More)
Two cases of systemic mastocytosis with different clinical course were described. The first of them manifested with returning attacks of tachycardia with raise of blood pressure, followed by its drop and loss of consciousness. Abdominal pain and persistent diarrhea characterized the second one. The common signs in both cases were skin changes of urticaria(More)
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