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Validation of promoter and enhancer interactions of a putative cancer gene in Triple Negative breast cancer lines
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Protein Science.
2022 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Kartläggning av promotor- och förstärkarinteraktion i trippelnegativa bröstcancercellinjer (Swedish)
Abstract [sv]

Trippelnegativ bröstcancer (TNBC) är den mest maligna formen av bröstcancer utan någon framträdande behandlingsbar biomarkör. Således har den djupa återfallsfrekvensen och bristen på behandlingsalternativ öppnat behovet av att förstå TNBC: s etiopatogenes och molekylära mekanism. Huvudsyftet är att kartlägga det genomomfattande differentiella uttrycket av den förmodade cancergenen (en prenyleringsgen) och dess betydelse vid trippelnegativ bröstcancer. Hi-Cap (Capture Hi-C) är en teknik som genererar högupplösta promotor-förstärkare interak- tioner med nästan en-förstärkare upplösning.Vi arbetade med cancercellinjer, MDA-MB_231, med och utan den förmodade genen. Hi-C-tekniken optimerades i enlighet därmed för cancer- cellinjen för att generera en högupplöst berikad region. Resultaten kan vidare användas för att utföra biblioteksförberedelser och bioinformatikanalys. Dessa fynd kommer att ägnas åt att upptäcka nya vägar involverade i prenylering och TNBC.

Abstract [en]

Triple-negative Breast cancer (TNBC) is the most malignant form of breast cancer with no prominent treatable biomarker. The profound recurrence rate and lack of treatment options have opened the need to understand the etiopathogenesis and molecular mechanism of TNBC. The main objective of this study is to map the genome-wide differential expression of the putative cancer gene (a prenylation gene) and its importance in Triple-Negative Breast cancer. Hi-Cap (Capture Hi-C) is a technique which generates high-resolution promoter-enhancer interactions with almost single-enhancer resolution. We worked with cancer cell lines, MDA-MB_231, with and without the putative gene. The Hi-C technique was optimized accordingly for the cancer cell line to generate a high-resolution enriched region. The results can be further used to perform library prep and bioinformatics analysis. These findings will devote to discovering novel pathways involved with prenylation and TNBC.

Place, publisher, year, edition, pages
2022.
Series
TRITA-CBH-GRU ; 2022:308
Keywords [en]
Triple Negative Breast Cancer cells, Prenylation, Hi-C, HiCap, enhancer-promoter interactions
Keywords [sv]
Trippelnegativa bröstcancerceller, Prenylering, Hi-C, HiCap, interaktioner med förstärkare-promotor
National Category
Medical Biotechnology (with a focus on Cell Biology (including Stem Cell Biology), Molecular Biology, Microbiology, Biochemistry or Biopharmacy)
Identifiers
URN: urn:nbn:se:kth:diva-321575OAI: oai:DiVA.org:kth-321575DiVA, id: diva2:1711581
Subject / course
Biotechnology
Educational program
Master of Science - Medical Biotechnology
Supervisors
Examiners
Available from: 2022-11-17 Created: 2022-11-17

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