Deposition of collagen III and alterations in basement membrane integrity as candidate prognostic markers in prostate cancer

The extracellular matrix surrounding the tumor undergoes changes in its organization during the metastasis process. The present study aims to quantify total collagen, collagen I (Col I) and collagen III (Col III), analyze the alignment of collagen fibers and assess the basement membrane integrity in...

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Veröffentlicht in:Experimental cell research 2024-06, Vol.439 (1), p.114077, Article 114077
Hauptverfasser: Pinheiro, Laís Capelasso Lucas, Pupim, Andreia Carla Eugênio, Pereira, Érica Romão, Ahrens, Tainah Mendes, Mendonça, Ana Carla, Francelino, Amanda Letícia, Araújo, Eduardo José de Almeida, Guembarovski, Alda Fiorina Maria Losi, Fuganti, Paulo Emílio, Vanzela, André Luís Laforga, Colus, Ilce Mara de Syllos, Favaron, Phelipe Oliveira, Miqueloto, Carlos Alberto, Guembarovski, Roberta Losi
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container_start_page 114077
container_title Experimental cell research
container_volume 439
creator Pinheiro, Laís Capelasso Lucas
Pupim, Andreia Carla Eugênio
Pereira, Érica Romão
Ahrens, Tainah Mendes
Mendonça, Ana Carla
Francelino, Amanda Letícia
Araújo, Eduardo José de Almeida
Guembarovski, Alda Fiorina Maria Losi
Fuganti, Paulo Emílio
Vanzela, André Luís Laforga
Colus, Ilce Mara de Syllos
Favaron, Phelipe Oliveira
Miqueloto, Carlos Alberto
Guembarovski, Roberta Losi
description The extracellular matrix surrounding the tumor undergoes changes in its organization during the metastasis process. The present study aims to quantify total collagen, collagen I (Col I) and collagen III (Col III), analyze the alignment of collagen fibers and assess the basement membrane integrity in samples from patients with metastatic and non-metastatic prostate cancer. Tissue samples from 60 patients were classified into groups based on prognostic parameters: better prognosis (n = 20), worse prognosis without metastasis (n = 23) and metastatic (n = 17). Picrosirius red with further analysis under polarizing microscope was used to quantify (with validation using immunohistochemistry) and analyze collagen alignment, and Periodic Acid Schiff staining was used to analyze the basement membrane integrity. The Col I/Col III ratio was found to be higher in the metastatic group than in the groups with better prognosis (p = 0.012) and worse prognosis without metastasis (p = 0.018). Basement membrane integrity constitution in malignant tumor tissue differed from that of adjacent non-tumor tissue (p 
doi_str_mv 10.1016/j.yexcr.2024.114077
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The present study aims to quantify total collagen, collagen I (Col I) and collagen III (Col III), analyze the alignment of collagen fibers and assess the basement membrane integrity in samples from patients with metastatic and non-metastatic prostate cancer. Tissue samples from 60 patients were classified into groups based on prognostic parameters: better prognosis (n = 20), worse prognosis without metastasis (n = 23) and metastatic (n = 17). Picrosirius red with further analysis under polarizing microscope was used to quantify (with validation using immunohistochemistry) and analyze collagen alignment, and Periodic Acid Schiff staining was used to analyze the basement membrane integrity. The Col I/Col III ratio was found to be higher in the metastatic group than in the groups with better prognosis (p = 0.012) and worse prognosis without metastasis (p = 0.018). Basement membrane integrity constitution in malignant tumor tissue differed from that of adjacent non-tumor tissue (p &lt; 0.001). Moreover, the worsening in the tumor tissue integrity was positively correlated with worse prognostic parameters. All in all, absence of Col III and basement membrane integrity might be indicators of poor prognosis in prostate cancer. 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The present study aims to quantify total collagen, collagen I (Col I) and collagen III (Col III), analyze the alignment of collagen fibers and assess the basement membrane integrity in samples from patients with metastatic and non-metastatic prostate cancer. Tissue samples from 60 patients were classified into groups based on prognostic parameters: better prognosis (n = 20), worse prognosis without metastasis (n = 23) and metastatic (n = 17). Picrosirius red with further analysis under polarizing microscope was used to quantify (with validation using immunohistochemistry) and analyze collagen alignment, and Periodic Acid Schiff staining was used to analyze the basement membrane integrity. The Col I/Col III ratio was found to be higher in the metastatic group than in the groups with better prognosis (p = 0.012) and worse prognosis without metastasis (p = 0.018). Basement membrane integrity constitution in malignant tumor tissue differed from that of adjacent non-tumor tissue (p &lt; 0.001). Moreover, the worsening in the tumor tissue integrity was positively correlated with worse prognostic parameters. All in all, absence of Col III and basement membrane integrity might be indicators of poor prognosis in prostate cancer. 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The present study aims to quantify total collagen, collagen I (Col I) and collagen III (Col III), analyze the alignment of collagen fibers and assess the basement membrane integrity in samples from patients with metastatic and non-metastatic prostate cancer. Tissue samples from 60 patients were classified into groups based on prognostic parameters: better prognosis (n = 20), worse prognosis without metastasis (n = 23) and metastatic (n = 17). Picrosirius red with further analysis under polarizing microscope was used to quantify (with validation using immunohistochemistry) and analyze collagen alignment, and Periodic Acid Schiff staining was used to analyze the basement membrane integrity. The Col I/Col III ratio was found to be higher in the metastatic group than in the groups with better prognosis (p = 0.012) and worse prognosis without metastasis (p = 0.018). Basement membrane integrity constitution in malignant tumor tissue differed from that of adjacent non-tumor tissue (p &lt; 0.001). Moreover, the worsening in the tumor tissue integrity was positively correlated with worse prognostic parameters. All in all, absence of Col III and basement membrane integrity might be indicators of poor prognosis in prostate cancer. [Display omitted] •Type III collagen (Col III) had lower deposition in metastatic prostate cancer (PCa) group.•Disruptions in basement membrane integrity were associated with PCa invasive parameters.•Col III and basement membrane are good predictive markers for a worse PCa prognosis.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>38735620</pmid><doi>10.1016/j.yexcr.2024.114077</doi><orcidid>https://orcid.org/0000-0002-6735-1791</orcidid><orcidid>https://orcid.org/0000-0002-9769-6715</orcidid></addata></record>
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ispartof Experimental cell research, 2024-06, Vol.439 (1), p.114077, Article 114077
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1090-2422
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subjects Aged
Basement Membrane - metabolism
Basement Membrane - pathology
Biomarkers, Tumor - metabolism
Col I/ col III ratio
Collagen I
Collagen Type I - metabolism
Collagen Type III - metabolism
Extracellular matrix
Extracellular Matrix - metabolism
Extracellular Matrix - pathology
Humans
Male
Middle Aged
PAS
Picrosirius
Prognosis
Prostatic Neoplasms - metabolism
Prostatic Neoplasms - pathology
title Deposition of collagen III and alterations in basement membrane integrity as candidate prognostic markers in prostate cancer
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