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Cancer immunotherapy by targeting of immune checkpoint molecules has been a research 'hot-spot' in recent years. Nivolumab, a human monoclonal antibody targeting PD-1, has been widely used clinically since 2014. However, the binding mechanism of nivolumab to PD-1 has not yet been shown, despite a recent report describing the complex structure of(More)
Depression is one of the most prevalent psychiatric disorders in people with Traumatic brain injury (TBI). Depression after TBI is closely related with social and psychological factors and hypothalamic-pituitary -adrenal (HPA) axis dysfunction. However, there is a lack of evidence regarding effective treatment approaches for depression. A total of 68(More)
Emerging evidence demonstrates that severe illness could induce critical illness-related corticosteroid insufficiency (CIRCI) and cause poor prognosis. The purpose of this study was to test the hypothesis that methylprednisolone (MP), a synthetic glucocorticoid, promotes post-traumatic apoptosis in both the hypothalamus and pituitary, resulting in acute(More)
Traumatic brain injury (TBI) causes deleterious critical-illness-related-corticosteroid-insufficiency (CIRCI), leading to high mortality and morbidity. However, the incidence of CIRCI following different TBI severities is not fully defined. This study was designed to investigate mechanistically the effects of injury severity on corticosteroid response and(More)
INTRODUCTION The spectrum of critical illness-related corticosteroid insufficiency (CIRCI) in severe traumatic brain injury (TBI) is not fully defined and no effective treatments for TBI-induced CIRCI are available to date. Despite growing interest in the use of stress-dose hydrocortisone as a potential therapy for CIRCI, there remains a paucity of data(More)
BACKGROUND Depression related cognitive deficits are frequently considered as simple epiphenomena of the disorder. However, whether or not the depression might directly bring about cognitive deficits is still under investigation. This study was to investigate the distinct pattern of cognitive deficits in patients with depression by comparing the cognitive(More)
Canines represent a crucial animal model for studying human diseases and organ transplantation, as well as the evolution of domestic animals. MHCs, with a central role in cellular immunity, are commonly used in the study of dog population genetics and genome evolution. However, the molecular basis for the peptide presentation of dog MHC remains largely(More)
Zika virus (ZIKV) has emerged as major health concern, as ZIKV infection has been shown to be associated with microcephaly, severe neurological disease and possibly male sterility. As the largest protein component within the ZIKV replication complex, NS5 plays key roles in the life cycle and survival of the virus through its N-terminal methyltransferase(More)