Mesenchymal stem cell-derived extracellular vesicles ameliorate heat stroke-induced hippocampal injury and modulate VIM-AS1-associated miR-34a-5p/Per2 signaling

BackgroundCentral nervous system (CNS) injury is a major determinant of mortality and persistent disability after heat stroke. Mesenchymal stromal/stem cell-derived extracellular vesicles (MSC-EVs) are candidate cell-free immunomodulatory therapeutics,…

Immune activation during liver machine perfusion is shaped by perfusate composition and is independent of the ischemic injury

BackgroundIschemia–reperfusion injury remains a major challenge in liver transplantation and plays a major role in pathophysiology leading to graft failure. Machine perfusion (MP) is a promising approach to restitute marginal donor livers. However, the…

Dual blockade of adenosine A2A and A2B receptors is required to reverse NECA-induced immunosuppression in human macrophages: Implications for cancer immunotherapy

Adenosine accumulation within the tumour microenvironment is a major barrier to effective cancer immunotherapy, driving potent immunosuppression through adenosine receptor signalling. While current clinical strategies primarily target the A2A adenosine…

Navigating the immunosuppressive abyss: current hurdles and innovative breakthroughs in neoadjuvant immunotherapy for osteosarcoma

Osteosarcoma is the most common primary malignant bone tumor of children and adolescents. Multiagent neoadjuvant chemotherapy once improved survival substantially, but outcomes have since plateaued. Delivering immunotherapy before surgery is attractive…

Case Report: Neurosyphilis with a paraparetic Guillain-Barré-spectrum phenotype and CSF-detected anti-GT1a IgG: an infection-autoimmunity diagnostic challenge

BackgroundActive central nervous system (CNS) infection can resemble acute immune polyradiculoneuropathy, and the two processes may coexist. We describe a patient with neurosyphilis, rapidly progressive paraparetic weakness, and anti-GT1a IgG detected …

Dynamic γδ T-cell Receptor remodeling and antigen-induced T-cell IFN-γ responses after SARS-CoV-2 infection during pregnancy: insights for γδ T-cell immunotherapy

IntroductionPregnancy requires coordinated immune adaptation to maintain fetal tolerance while preserving antiviral defense. However, the temporal dynamics of maternal cellular immunity and maternal-fetal antibody transfer after SARS-CoV-2 infection du…

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