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Vol. 19. Issue 7.
Pages 358-362 (August - September 2023)
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Vol. 19. Issue 7.
Pages 358-362 (August - September 2023)
Original Article
Evaluation of epigenetic-related gene expression (DNMT, HDAC1) in Iranian patients with systemic lupus erythematosus
Evaluación de la expresión de los genes relacionados con la epigenética (DNMT, HDAC1) en pacientes iraníes con lupus eritematoso sistémico
Mitra Abbasifarda,b, Fahimeh Mohammadiranjbarc, Maryam Mohammad-Sadeghipourd, Mehdi Mahmoodid, Gholamhossein Hassanshahie, Jennifer Swannf, Sadegh Zareic, Reza Hosseiniarag, Mohammad Reza Hajizadehc,e,
Corresponding author
hajizadehus@yahoo.com

Corresponding author.
a Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
b Department of Internal Medicine, Ali-Ibn AbiTalib hospital, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
c Department of Clinical Biochemistry, Faculty of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
d Department of Clinical Biochemistry, Afzalipour School of Medicine, Kerman University of Medical Sciences, Kerman, Iran
e Molecular Medicine Research Centre, Institute of Basics Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
f Biological Sciences, Interim Director of Africana Studies, Williams Hall, Lehigh University, Bethlehem, United States
g Faculty of Medicine and Health Care, Al-Farabi Kazakh National University, Almaty, Kazakhstan
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Tables (2)
Table 1. The list of the sequence of primers used for real-time PCR in this study.
Table 2. Demographic and epidemiological data in case (16 patients with systemic lupus erythematosus; SLE) and control (16 healthy people) groups.
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Abstract
Background

Systemic lupus erythematosus (SLE) is an autoimmune disease in which the immune system abnormally reacts against cells and tissues leading to inflammation. Epigenetic alterations, including DNA methylation and histone modification, have critical effects on autoimmune disease and SLE pathogenesis via dysregulation of critical genes.

Aims

The purpose of this study was to evaluate the epigenetic-related gene expression of DNA methyltransferase (DNMT) and histone deacetylase 1 (HDAC1) in Iranian patients with SLE.

Methods

This matched case–control study included 16 people with SLE and 16 healthy people who were referred to the Rafsanjani rheumatology clinic, in southeast Iran. The expression of DNMT and HDAC1 genes was measured through a real-time PCR assay of blood samples.

Results

DNMT gene expression did not differ significantly between SLE and healthy groups (P=0.21). In contrast, HDAC1 gene expression was enhanced in the SLE group, but this enhancement failed to reach statistical significance (P=0.94).

Conclusion

The results of this study suggest that overexpression of HDAC1 could serve as a diagnostic for SLE disease. Additional studies with larger sample sizes are required to confirm our findings. Evaluation of other genes related to SLE disease is essential and may help to make an accurate diagnosis of the disease.

Keywords:
DNA methyltransferase
Epigenetic
Histone deacetylase 1
Systemic lupus erythematosus
Iran
Abbreviations:
SLE
DNMT
HDAC1
ESR
CRP
RF
ANTI CCP
ANA
Anti DS DNA
BMI
cDNA
PCR
Resumen
Antecedentes

El lupus eritematoso sistémico (LES) es una enfermedad autoinmune, en la cual el sistema inmunitario reacciona de manera anormal frente a las células y tejidos causantes de la inflamación. Las alteraciones epigenéticas, incluyendo la metilación del ADN y la modificación de la histona, tienen efectos críticos en la enfermedad autoinmune y la patogenia del LES, a través de la desregulación de los genes críticos.

Objetivo

El objetivo de este estudio fue evaluar la expresión del gen relacionado con la epigenética de ADN metiltransferasa (DNMT) e histona deacetilasa 1 (HDAC1) en los pacientes iraníes afectados de LES.

Métodos

Este estudio pareado caso-control incluyó 16 personas con LES y 16 personas sanas, derivadas a la clínica de reumatología de Rafsanjan, en el sudeste de Irán. La expresión de los genes DNMT y HDAC1 se midió mediante una PCR a tiempo real de muestras de sangre.

Resultados

La expresión del gen DNMT no difirió significativamente entre los grupos de pacientes de LES y de controles sanos (p=0,21). Por contra, la expresión del gen HDAC1 se incrementó en el grupo LES, aunque dicho incremento no alcanzó significación estadística (p=0,94).

Conclusión

Los resultados de este estudio sugieren que la sobreexpresión de HDAC1 podría servir para diagnosticar el LES. Son necesarios estudios adicionales con muestras de mayor tamaño para confirmar nuestros hallazgos. Es esencial la evaluación de otros genes relacionados con el LES, pudiendo ayudar a realizar un diagnóstico preciso de la enfermedad.

Palabras clave:
ADN metiltransferasa
Epigénetica
Histona deacetilasa 1
Lupus eritematoso sistémico
Irán

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