1
|
Okada SS, de Oliveira EM, de Araújo TH, Rodrigues MR, Albuquerque RC, Mortara RA, Taniwaki NN, Nakaya HI, Campa A, Moreno ACR. Myeloperoxidase in human peripheral blood lymphocytes: Production and subcellular localization. Cell Immunol 2015; 300:18-25. [PMID: 26632272 DOI: 10.1016/j.cellimm.2015.11.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Revised: 10/13/2015] [Accepted: 11/13/2015] [Indexed: 01/09/2023]
Abstract
Myeloperoxidase (MPO) is an important enzyme in the front-line protection against microorganisms. In peripheral blood, it is accepted that MPO is only produced by myeloid-lineage cells. Thus, MPO presence is unexpected in lymphocytes. We showed recently that B1-lymphocytes from mice have MPO. Here, we showed that subsets of human peripheral B, CD4(+) and CD8(+) T lymphocytes express MPO. The content of MPO in lymphocytes was very low compared to neutrophils/monocytes with a preferential distribution in the nucleus and perinuclear region. Also, we performed a MPO mRNA expression analysis from human blood cells derived from microarray raw data publicly available, showing that MPO is modulated in infectious disease. MPO was increased in CD4(+) T lymphocytes from HIV chronic infection and in CD8(+) T lymphocytes from HCV-positive patients. Our study points out MPO as a multifunctional protein due to its subcellular localization and expression modulation in lymphocytes indicating alternative unknown functions for MPO in lymphocytes.
Collapse
Affiliation(s)
- Sabrina Sayori Okada
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, SP 05508, Brazil
| | - Edson Mendes de Oliveira
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, SP 05508, Brazil
| | | | - Maria Rita Rodrigues
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade Federal de Alfenas, Alfenas, MG 37130, Brazil
| | - Renata Chaves Albuquerque
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, SP 05508, Brazil
| | - Renato Arruda Mortara
- Departamento de Microbiologia Imunobiologia e Parasitologia, Universidade Federal de São Paulo, São Paulo, SP 04023, Brazil
| | - Noemi Nosomi Taniwaki
- Núcleo de Microscopia Eletrônica, Instituto Adolfo Lutz, São Paulo, SP 01246, Brazil
| | - Helder Imoto Nakaya
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, SP 05508, Brazil; Emory Vaccine Center, Yerkes National Primate Research Center, Emory University, Atlanta, GA 30329, USA
| | - Ana Campa
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, SP 05508, Brazil
| | - Ana Carolina Ramos Moreno
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, São Paulo, SP 05508, Brazil.
| |
Collapse
|