Fas receptor

FAS -670A>G promoter polymorphism is associated with soluble Fas levels in primary Sjögren’s syndrome

B. A. Treviño-Talavera, Palafox-Sánchez, C. A., Muñoz-Valle, J. F., Orozco-Barocio, G., Navarro-Hernández, R. E., M. Del Mercado, V. -, I. de la Torre, G., and Oregon-Romero, E., FAS -670A>G promoter polymorphism is associated with soluble Fas levels in primary Sjögren’s syndrome, vol. 13, pp. 4831-4838, 2014.

Primary Sjögren’s syndrome (pSS) is a chronic systemic autoimmune disease characterized by lymphocytic infiltration of exocrine glands. Soluble Fas receptor (sFas) has been suggested as a Fas-mediated apoptosis blocker that could impair clonal deletion in infiltrated autoreactive cells. The FAS -670A>G promoter polymorphism has been studied in pSS. However, a relationship between FAS -670A>G promoter polymorphism and sFas levels in pSS had not been found. We examined this relationship in 77 Mexican pSS patients and 84 healthy subjects were included.

Vero cells infected with the Lederle strain of canine distemper virus have increased Fas receptor signaling expression at 15 h post-infection

H. L. Del Puerto, Martins, A. S., Braz, G. F., Alves, F., Heinemann, M. B., Rajão, D. S., Araújo, F. C., Martins, S. F., Nascimento, D. R., Leite, R. C., and Vasconcelos, A. C., Vero cells infected with the Lederle strain of canine distemper virus have increased Fas receptor signaling expression at 15 h post-infection, vol. 10, pp. 2527-2533, 2011.

We evaluated the expression of the Fas receptor gene in Vero cells infected with the Lederle vaccine strain of canine distemper virus using RT-PCR. Vero cells were plated, and after being grown for 24 h in MEM with 5% FBS, 80-90% confluent monolayer cultures were infected with the virus. The cells were harvested at 3, 6, 9, and 15 h post-infection. Uninfected Vero cells were used as a control. Total RNA was isolated from Vero cells using 1 mL Trizol® LS, and RT was performed using 2 μg total RNA.

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