[A Cross-sectional Study of Hepatitis B Virus Infection in Mianyang, Sichuan Province].

Objectives: To determine the prevalence and distribution of hepatitis B virus (HBV) infection in Mianyang.

Methods: Data were extracted from the 12th five-year National Science and Technology Major Projects-Integrated Prevention and Control of Major Infectious Diseases in Mianyang. A two-level logistic regression model was established to determine factors associated with HBV infection.

Chronic caffeine treatment protects against experimental autoimmune encephalomyelitis in mice: therapeutic window and receptor subtype mechanism.

Chronic treatment with caffeine, the most widely consumed psychoactive drug and a non-selective antagonist of adenosine receptors, can protection against myelin oligodendrocyte glycoprotein (MOG)-induced experimental autoimmune encephalomyelitis (EAE), an animal model of multiple sclerosis (MS). In this study, we investigated the mechanism underlying caffeine-mediated neuroprotection against EAE by determining the effective therapeutic time-window of caffeine and the involvement of adenosine A2A and A1 receptor. We found that administration of caffeine during the effector phase (10 → 20 days post-immunization, d.

[The change of periphery and centra CD4(+);CD25(+);Treg, CD8(+);CD28(-);Treg in the MOG induced model of experimental autoimmune encephalomyelitis].

Aim: To observe the change of periphery and centra CD4(+); CD25(+); Treg, CD8(+); CD28(-); Treg of MOG₃₅₋₅₅; induced EAE disease in mouse, and to explore the potential mechanism of cellular immunity in the process of EAE.

Methods: MOG₃₅₋₅₅; were used to establish EAE model on femina C57BL/6 mice.The behavioral changes and the histological scores were recorded.

Neonatal endotoxin exposure suppresses experimental autoimmune encephalomyelitis through regulating the immune cells responsivity in the central nervous system of adult rats.

Early-life exposure to bacterial endotoxin (lipopolysaccharide, LPS) affects the susceptibility to a variety of systemic organic inflammation in adulthood. To determine the long-term effects of neonatal LPS exposure on inflammatory responses in the central nervous system (CNS) in adulthood, we examined the effects on the development of experimental autoimmune encephalomyelitis (EAE) in adult rats as well as the potential regulatory immune mechanisms involved. The results showed that neonatal LPS exposure significantly reduced the morbidity (p<0.