Journals / Pamukkale Tıp Dergisi / 2023 / Cilt: 16 - Sayı: 2

Association between 20 serum mirnas and clinicopathological variables in patients with breast cancer

Meme kanserli hastalarda 20 serum mirna’nın klinikopatolojik değişkenler ile ilişkisi

Pages
168–178
Publication Date
2023-04-05
DOI
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⚡ TL;DR(Too Long; Didn't Read)

It was found that 2 miRNAs (miR-133a and miR-139-5p) were markedly higher in patients in the luminal B group, which were separated by molecular subgroups.

📌 3 Key Takeaways

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Objective & Hypothesis:Purpose: Determining microRNAs in breast cancer pathogenesis suggests that it may be beneficial for diagnosis and treatment.
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Key Findings & Data:After that, investigated serum levels of 20 microRNAs (miR-17, miR-21, miR-34a, miR-105, miR-133a, miR-139-5p, miR-141, miR-143, miR-145, miR-155, miR-200a, miR-200b, miR-200c, miR-203, miR-210, miR-299-5p, miR-365, miR-375, miR-411, miR-452) in 39 patients with invasive breast cancer were analyzed before and after treatment.
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Conclusion & Impact:It was found that 2 miRNAs (miR-133a and miR-139-5p) were markedly higher in patients in the luminal B group, which were separated by molecular subgroups.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:İnvaziv meme kanseri · dolaşan miRNA · moleküler subtipler

Abstract

Purpose: Determining microRNAs in breast cancer pathogenesis suggests that it may be beneficial for diagnosis and treatment. Materials and methods: Patients serum were collected and microRNAs were isolated. Then microRNAs was converted to cDNA. After that, investigated serum levels of 20 microRNAs (miR-17, miR-21, miR-34a, miR-105, miR-133a, miR-139-5p, miR-141, miR-143, miR-145, miR-155, miR-200a, miR-200b, miR-200c, miR-203, miR-210, miR-299-5p, miR-365, miR-375, miR-411, miR-452) in 39 patients with invasive breast cancer were analyzed before and after treatment. Results: In the analysis results, it is detected that serum levels of miR-200c, miR-375, miR-34a were markedly higher in the local advanced/metastatic group. MiR-141 levels was lower in patients with positive lymph node involvement, whereas miR-133a levels were higher in the same patient group. miR-105, miR-203, miR-375, miR-145 serum levels were markedly higher in the progesterone receptor negative group, likewise miR-105 levels were high in the estrogen receptor negative group. The high levels of miR-375 and miR-133a were noticeable in human epidermal growth factor receptor-2 positive patients. MiR-143 and miR-145 levels were observed higher in the patient with a ki-67 index >20%. It was found that 2 miRNAs (miR-133a and miR-139-5p) were markedly higher in patients in the luminal B group, which were separated by molecular subgroups. Nine of miRNAs that evaluated (miR-21, miR-34a, miR-105, miR-141, miR-200a, miR-200b, miR-200c, miR-203, miR-452) significantly increased and 5 of the miRNAs (miR-145, miR-365, miR-155, miR-143, miR-299-5p) were significantly reduced post-treatment. Conclusion: We think that miRNAs may help in evaluating the follow-up and prognosis of invasive breast cancer.

Özet

Amaç: MiRNA’ların meme kanseri patogenezinde rol oynadığının belirlenmesi, meme kanserinin tanı ve tedavisinde yararlı olabileceğini düşündürmektedir. Gereç ve yöntem: Toplanan 39 invaziv meme kanserli hasta serumundan mikroRNA’lar izole edildi ve cDNA’lara dönüştürüldü. Hastaların tanı anında ve tedavi sonrasında alınan kanlarından, 20 miRNA’nın (miR-105, miR-21, miR-141, miR-200a, miR-200b, miR-200c, miR-203, miR-210, miR-375, miR-34a, miR-133a, miR-155, miR-139-5p, miR-143, miR-145, miR-365, miR-299-5p, miR-411, miR-452 ve miR-17) serum düzeyleri analiz edildi. Bulgular: Analiz sonuçlarında, miR-200c (p=0.030), miR-375 (p=0.045), miR-34a’nın (p=0.042) serum düzeyleri lokal ileri/metastatik grupta anlamlı olarak yüksek saptandı. miR-141’in (p=0.062) serum seviyesi lenf nodu tutulumu pozitif hastalarda daha düşük gözlenirken, miR-133a (p=0.037) seviyelerinin aynı hasta grubunda daha yüksek olduğu tespit edildi. MiR-105 (p=0.015), miR-203 (p=0.015), miR-375 (p=0.033), miR-145 (p=0.025) serum seviyelerinin PR negatif grupta belirgin yüksek olduğu, aynı şekilde miR-105 (p=0.053) seviyelerinin ER negatif grupta yüksek olduğu görüldü. Her 2 pozitif hastalarda miR-375 ve miR-133a seviyelerinin yüksekliği dikkat çekti (p=0.037 ve p=0.014, sırasıyla). MiR-143 (p=0.009) ve miR-145 (p=0.017) seviyelerinin ki-67 indeksi >%20 olan hasta grubunda daha yüksek olduğu ve bu miRNA’ların ki-67 indeksi ile korelasyon gösterdiği gözlendi (p=0.007; p=0.015, sırasıyla). Moleküler alt gruplara göre ayrılan hastalardan luminal B grubunda olanlarda 2 miRNA’nın (miRNA-133a (p=0.018) ve miRNA-139-5p (p=0.004)) anlamlı olarak daha yüksek olduğu saptandı. Çalışılan miRNA’lardan 9 tanesinin (miRNA-105 (p=0.0001), miRNA-21 (p=0.001), miRNA-141 (p=0.041), miRNA-200a (p=0.003), miRNA-200b (p=0.0001), miRNA-200c (p=0.0001), miRNA-203 (p=0.0001), miRNA-34a (p=0.0001), miRNA-452 (p=0.018)) tedavi sonrasında anlamlı olarak arttığı, 5 tanesinin (miRNA-155 (p=0.0001), miRNA-143 (p=0.0001), miRNA-145 (p=0.0001), miRNA-365 (p=0.0001), miRNA-299-5p (p=0.0001)) tedavi sonrasında anlamlı olarak azaldığı görüldü. Sonuç: Sonuçlarımızın, invaziv meme kanserinin takibi ve prognozunu değerlendirmede yol gösterici olabileceğini düşünmekteyiz.

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Cite This Article

YILDIRIM, A. G., DEMİRAY, A., KOÇ, A. C., ŞENOL, H., YAREN, A. (2023). Association between 20 serum mirnas and clinicopathological variables in patients with breast cancer. Pamukkale Tıp Dergisi, Cilt: 16 - Sayı: 2, 168–178. https://ajindex.com/articles/888206

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