Hemizygous Granzyme A Mice Expressing the hSOD1G93A Transgene Show Slightly Extended Lifespan

Moreno-Martinez, Laura (Universidad de Zaragoza) ; Santiago, Llipsy ; de la Torre, Miriam (Universidad de Zaragoza) ; Calvo, Ana Cristina (Universidad de Zaragoza) ; Pardo, Julián (Universidad de Zaragoza) ; Osta, Rosario (Universidad de Zaragoza)
Hemizygous Granzyme A Mice Expressing the hSOD1G93A Transgene Show Slightly Extended Lifespan
Resumen: Granzyme A (gzmA), a serine protease involved in the modulation of the inflammatory immune response, is found at an elevated level in the serum from ALS patients. However, the influence of gzmA on the progression of ALS remains unclear. The aim of our work was to assess whether the absence of gzmA in an ALS murine model could help slow down the progression of the disease. Homozygous and hemizygous gzmA-deficient mice expressing the hSOD1G93A transgene were generated, and survival of these mice was monitored. Subsequently, gene and protein expression of inflammatory and oxidative stress markers was measured in the spinal cord and quadriceps of these mice. We observed the longest lifespan in gzmA+/− mice. GzmA gene and protein expression was downregulated in the spinal cord and serum from gmzA+/− mice, confirming that the increased survival of hemizygous mice is correlated with lower levels of gzmA. In addition, mRNA and protein levels of glutathione reductase (GSR), involved in oxidative stress, were found downregulated in the spinal cord and quadriceps of gmzA+/− mice, together with lower IL-1β and IL-6 mRNA levels in hemyzigous mice. In summary, our findings indicate for the first time that reduced levels, but not the absence, of gzmA could slightly ameliorate the disease progression in this animal model.
Idioma: Inglés
DOI: 10.3390/ijms232113554
Año: 2022
Publicado en: International Journal of Molecular Sciences 23, 21 (2022), 13554 [15 pp.]
ISSN: 1661-6596

Factor impacto JCR: 5.6 (2022)
Categ. JCR: BIOCHEMISTRY & MOLECULAR BIOLOGY rank: 66 / 285 = 0.232 (2022) - Q1 - T1
Categ. JCR: CHEMISTRY, MULTIDISCIPLINARY rank: 52 / 178 = 0.292 (2022) - Q2 - T1

Factor impacto CITESCORE: 7.8 - Biochemistry, Genetics and Molecular Biology (Q1) - Computer Science (Q1) - Chemistry (Q1) - Chemical Engineering (Q1) - Medicine (Q1)

Factor impacto SCIMAGO: 1.154 - Medicine (miscellaneous) (Q1) - Physical and Theoretical Chemistry (Q1) - Computer Science Applications (Q1) - Inorganic Chemistry (Q1) - Spectroscopy (Q1) - Organic Chemistry (Q1) - Molecular Biology (Q2) - Catalysis (Q2)

Financiación: info:eu-repo/grantAgreement/ES/AEI/PID2020-113963RB-I00
Financiación: info:eu-repo/grantAgreement/ES/DGA/B29-20R
Financiación: info:eu-repo/grantAgreement/ES/ISCIII/FEDER/PI21-00372
Tipo y forma: Article (Published version)
Área (Departamento): Área Genética (Dpto. Anatom.,Embri.Genét.Ani.)
Área (Departamento): Área Inmunología (Dpto. Microb.Ped.Radio.Sal.Pú.)
Área (Departamento): Área Farmacología (Dpto. Farmac.Fisiol.y Med.L.F.)


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