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Analys av CCR5 uttryck hos patienter med koloncancer med hjälp av immunhistokemisk metod
2023 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Analysis of CCR5 expression in patients with colon cancer using immunohistochemical method (English)
Abstract [sv]

Flera av de senaste forskningsstudierna har visat att tumörmikromiljö är mycket viktigare än man hittills trott. Ett av de viktigaste elementen i tumörmikromiljön är immunceller som producerar olika kemokiner samt uttrycker specifika receptorer. Kemokiner kan både aktivera och hämma immunförsvaret. Syftet med denna pilotstudie var att undersöka uttryck av kemokinreceptor CCR5 hos patienter med koloncancer (n=41) och utvärdera prognostisk betydelse genom att undersöka uttrycksskillnader mellan tumör och parad tumörfri vävnad med hjälp av immunhistokemisk detektionsmetod. Syftet var även att identifiera sambandet med kön, ålder, tumörstadier (TNM) och lokalisation av primär tumör. Resultaten visade signifikanta skillnader i uttryck av CCR5 mellan koloncancer och parad tumörfri kolonvävnad (p<0,001). Nivån av CCR5 uttryck var 79% högre i tumörvävnad jämfört med parad tumörfri vävnad. Inga statistiskt signifikanta skillnader eller korrelationer mellan CCR5 uttryck och tumörstadier, kön, ålder eller tumörlokalisation på patienterna hittades. Däremot resultaten tyder på att det föreligger samband mellan patienternas ålder och tumörlokalisation. Sammanfattningsvis bekräftar studieresultaten att CCR5 kan vara involverad i patogenesen av koloncancer.  

Abstract [en]

The latest research has shown that the cancer microenvironment is much more important than previously thought. One of the most important elements in it are immune cells that produce various chemokines and express specific receptors. Chemokines can both activate and inhibit the immune system. The aim of this pilot study was to investigate the expression of chemokine receptor CCR5 in patients with colon cancer (n=41) and evaluate prognostic significance by identifying expressional differences between tumor and paired tumor-free tissue using immunohistochemical method. The aim was also to identify the relationship with the clinical parameters: gender, age, tumor stages (TNM) and location of primary tumor. Results showed significant differences in CCR5 expression between colon cancer and paired tumor-free colon tissue (p<0,001). The level of CCR5 expression was 79% higher in tumor tissue compared to paired tumor-free tissue. No statistically significant differences or correlations between CCR5 expression and tumor stages, gender, age, or tumor location were found. However, the results indicate that there is a relationship between the patients' age and tumor localization. In summary, the results of the study confirm that CCR5 may be involved in the pathogenesis of colon cancer. 

Place, publisher, year, edition, pages
2023. , p. 22
Keywords [sv]
cancer, immunceller, kemokiner, kemokinreceptor, tumörmikromiljö, cancer, immune cells, chemokines, receptor, tumor microenvironment
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:hj:diva-61178ISRN: JU-HHJ-BLA-1-20230141OAI: oai:DiVA.org:hj-61178DiVA, id: diva2:1769014
Presentation
2023-06-09, Ga442, Hälsohögskolan, Jönköping, 12:00 (Swedish)
Supervisors
Examiners
Available from: 2023-06-21 Created: 2023-06-16 Last updated: 2025-10-13Bibliographically approved

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