[HTML][HTML] Northern blotting analysis of microRNAs, their precursors and RNA interference triggers

…, LJ Sznajder, M Olejniczak, P Galka-Marciniak… - BMC molecular …, 2011 - Springer
Background Numerous microRNAs (miRNAs) have heterogeneous ends resulting from
imprecise cleavages by processing nucleases and from various non-templated nucleotide …

Nucleotide sequence of miRNA precursor contributes to cleavage site selection by Dicer

J Starega-Roslan, P Galka-Marciniak… - Nucleic acids …, 2015 - academic.oup.com
The ribonuclease Dicer excises mature miRNAs from a diverse group of precursors (pre-miRNAs),
most of which contain various secondary structure motifs in their hairpin stem. In this …

RNA imaging in living cells–methods and applications

MO Urbanek, P Galka-Marciniak, M Olejniczak… - RNA biology, 2014 - Taylor & Francis
Numerous types of transcripts perform multiple functions in cells, and these functions are
mainly facilitated by the interactions of the RNA with various proteins and other RNAs. Insight …

[HTML][HTML] Pan-cancer analysis of somatic mutations in miRNA genes

MO Urbanek-Trzeciak, P Galka-Marciniak… - …, 2020 - thelancet.com
Background miRNAs are considered important players in oncogenesis, serving either as
oncomiRs or suppressormiRs. Although the accumulation of somatic alterations is an intrinsic …

A pan-cancer atlas of somatic mutations in miRNA biogenesis genes

P Galka-Marciniak, MO Urbanek-Trzeciak… - Nucleic Acids …, 2021 - academic.oup.com
It is a well-known and intensively studied phenomenon that the levels of many miRNAs are
differentiated in cancer. miRNA biogenesis and functional expression are complex processes …

[HTML][HTML] Sequence features of Drosha and Dicer cleavage sites affect the complexity of isomiRs

…, TM Witkos, P Galka-Marciniak… - International journal of …, 2015 - mdpi.com
The deep-sequencing of small RNAs has revealed that different numbers and proportions of
miRNA variants called isomiRs are formed from single miRNA genes and that this effect is …

[HTML][HTML] Somatic mutations in miRNA genes in lung cancer—potential functional consequences of non-coding sequence variants

P Galka-Marciniak, MO Urbanek-Trzeciak… - Cancers, 2019 - mdpi.com
A growing body of evidence indicates that miRNAs may either drive or suppress oncogenesis.
However, little is known about somatic mutations in miRNA genes. To determine the …

Triplet repeats in transcripts: structural insights into RNA toxicity

P Galka-Marciniak, MO Urbanek… - Biological chemistry, 2012 - degruyter.com
Tandem repeats of various trinucleotide motifs are frequent entities in transcripts, and RNA
structures formed by these sequences depend on the motif type and number of reiterations. …

RAN translation and frameshifting as translational challenges at simple repeats of human neurodegenerative disorders

…, M Olejniczak, P Galka-Marciniak… - Nucleic acids …, 2014 - academic.oup.com
Repeat-associated disorders caused by expansions of short sequences have been classified
as coding and noncoding and are thought to be caused by protein gain-of-function and …

[HTML][HTML] Mutations in the miR-142 gene are not common in myeloproliferative neoplasms

P Galka-Marciniak, Z Kanduła, A Tire, W Wegorek… - Scientific Reports, 2022 - nature.com
Recent data indicate that MIR142 is the most frequently mutated miRNA gene and one of
the most frequently mutated noncoding elements in all cancers, with mutations occurring …