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Prostate cancer transcriptome compendium of long noncoding RNAs

  • The occurence of prostate cancer (PCa) has been consistently rising since three decades and remains the third leading cause of cancer-related deaths after lung and bowel cancer in Germany. Despite of new methods of early detection, such as prostate-specific antigen (PSA) testing, it persists to be the most common cancer in german men with over 63,400 new diagnoses in Germany every year and exhibits high prevalence in other countries of Northern andWestern Europe as well [64]. Men over the age of 70 are most commonly affected by the lethal disease, whereas an indisposition before 50 is rare. The malignant prostate tumor can be healed through operation or irradiation while the cancer hasn’t reached the stage of metastasis in which other therapeutic methods have to be employed [14] [15]. In the metastatic phase, the patient usually exhibits symptoms when the tumors size affects the urethra or the cancer spreads to other tissue, often the bones [16]. The high prevalence of this disease marks the importance of further research into prognosis and diagnosis methods, whereby identification of further biomarkers in PCa poses a major topic of scientific analysis. For this task, the effectiveness of high-throughput RNA sequencing of the transcriptome (RNA molecules of an organism or specific cell type) is frequently exploited [66]. RNA sequencing or RNA-Seq in short, offers the possibility of transcriptome assessment, enabling the identification of transcriptional aberrations in diseases as well as uncharacterized RNA species such as non-coding RNAs (ncRNAs) which remain undetected by conventional methods [49]. To alleviate interpretation of the sequenced reads they are assembled to reconstruct the transcriptome as close to the original state as possible, thus enabling rapid detection of relevant biomolecules in the data [49]. Transcriptomic studies often require highly accurate and complete gene annotations on the reference genome of the examined organism. However, most gene annotations and reference genomes are far from complete, containing a multitude of unidentified protein-coding and non-coding genes and transcripts. Therefore, refinement of reference genomes and annotations by inclusion of novel sequences, discovered in high quality transcriptome assemblies, is necessary [24].

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Author:Emira Shehabi
Advisor:Röbbe Wünschiers, Kristin Reiche
Document Type:Master's Thesis
Year of Completion:2021
Granting Institution:Hochschule Mittweida
Release Date:2023/09/11
GND Keyword:Prostatakrebs; RNS; Biomarker; Transkriptionsfaktor
Printexemplar Präsenzbestand
Institutes:Angewandte Computer‐ und Bio­wissen­schaften
DDC classes:572.865 Genexpression
Open Access:Innerhalb der Hochschule
Licence (German):License LogoUrheberrechtlich geschützt