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Kern R, da Silva JC, Negretti F, Ferreira MO, Coletto MIO, de Oliveira ST, Alves FM, Scandolara TB, Rech D, Panis C. The Expression of CTLA-4 in Breast Tumors and Tumor-Infiltrating Leukocytes Affects Patients' Systemic Inflammatory Status and Varies According to Their Molecular Subtypes. Inflammation 2023; 46:1639-1652. [PMID: 37237069 DOI: 10.1007/s10753-023-01830-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/28/2023] [Accepted: 05/01/2023] [Indexed: 05/28/2023]
Abstract
Recent evidence has pointed out that the cytotoxic T lymphocyte-associated antigen 4 (CTLA-4) expression is a poor prognosis factor. However, the implications of CTLA-4 expression on circulating inflammatory mediators are unclear for breast cancer. Tumor biopsies and blood samples were collected from 117 breast cancer patients. Oxidative stress parameters were evaluated in plasma samples by measuring the lipoperoxidation profile and nitric oxide metabolites (NOx). Interleukins 12 (IL-12) and 4 (IL-4) were assessed by ELISA. CTLA-4 expression was determined by immunofluorescence assessed by its labeling in tumor-infiltrating leukocytes (TILs) or breast tumors. Correlations between CTLA-4 expression in breast tumors with TCD4/TCD8 infiltrating lymphocyte and inflammation-related genes were performed using data from TIMER 2.0/TCGA databases (n = 2160). CTLA-4 expression in TILs significantly correlated to triple-negative breast tumors. Patients carrying CTLA-4-positive tumors exhibited lower plasmatic NOx levels, and those expressing CTLA-4 in TILs had reduced levels of IL-12 in plasma. No changes in either IL-4 or lipid peroxidation profiles were detected concerning any CTLA4 status. Compared to the Luminal A ones, oxidative stress parameters and cytokines were observed in patients bearing triple-negative tumors. CTLA-4 expression in all breast cancer subtypes positively correlated to TCD4/TCD8 lymphocyte infiltrates, as well as to the pro-inflammatory genes IL12A, IL4, NFKB1, NFKB2, NOS1, NOS2, and NOS3. CTLA-4 expression in both tumor and TILs can affect the systemic inflammatory status of breast cancer patients, especially antitumor molecules such as IL-12 and NOx that correlate to more aggressive disease.
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Affiliation(s)
- Rodrigo Kern
- Laboratório Biologia de Tumores, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil
- Programa de Pós-Graduação Em Ciências Aplicadas À Saúde, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil
| | - Janaina Carla da Silva
- Laboratório Biologia de Tumores, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil
- Programa de Pós-Graduação Em Ciências Aplicadas À Saúde, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil
- Department of Biochemistry and Molecular Medicine, Université de Montréal, Montreal, Canada
| | - Fábio Negretti
- Universidade Estadual Do Oeste Do Paraná, Campus Cascavel, PR, Brazil
| | - Mariane Okamoto Ferreira
- Laboratório Biologia de Tumores, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil
- Programa de Pós-Graduação Em Ciências Aplicadas À Saúde, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil
| | | | - Stefania Tagliari de Oliveira
- Laboratório Biologia de Tumores, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil
- Programa de Residência Em Clínica Médica, Rede de Assistência À Saúde Metropolitana, Sarandi, PR, Brazil
| | - Fernanda Mara Alves
- Laboratório Biologia de Tumores, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil
| | - Thalita Basso Scandolara
- Laboratório Biologia de Tumores, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil
- Programa de Pós-Graduação Em Ciências Aplicadas À Saúde, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil
- Molecular Carcinogenesis Program, Brazilian National Cancer Institute (INCA), Research Coordination (CPQ), Rio de Janeiro, RJ, Brazil
| | - Daniel Rech
- Laboratório Biologia de Tumores, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil
- Programa de Pós-Graduação Em Ciências Aplicadas À Saúde, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil
- Hospital de Câncer de Francisco Beltrão, Francisco Beltrão, PR, Brazil
| | - Carolina Panis
- Laboratório Biologia de Tumores, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil.
- Programa de Pós-Graduação Em Ciências Aplicadas À Saúde, Universidade Estadual Do Oeste Do Paraná, Francisco Beltrão, PR, Brazil.
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