Video Experimental Relacionado
Updated: Aug 13, 2026

08:52
Generation of Multivirus-specific T Cells to Prevent/treat Viral Infections after Allogeneic Hematopoietic Stem Cell Transplant
Published on: May 27, 2011
Vacunación contra el virus de Epstein-Barr: progreso actual y estrategias futuras
Lancet (London, England)
|June 21, 1986
Resumen
Una nueva vacuna contra el virus Epstein-Barr (EBV) muestra una protección completa contra la infección por EBV en modelos animales. Este avance allana el camino para el desarrollo de vacunas humanas contra enfermedades asociadas al EBV.
Área de la Ciencia:
- Virología Virología.
- Inmunología Inmunología.
- Desarrollo de Vacunas Desarrollo de Vacunas.
Sus antecedentes:
- El virus de Epstein-Barr (EBV) es un herpesvirus humano muy extendido asociado con varios tipos de cáncer.
- El desarrollo de una vacuna eficaz contra el EBV ha sido un desafío de larga data en la investigación médica.
Objetivo del estudio:
- Evaluar la eficacia de una nueva vacuna dirigida a la glicoproteína de alto peso molecular EBV (gp340).
- Evaluar el potencial de esta vacuna para prevenir la infección por EBV y enfermedades relacionadas en humanos.
Principales métodos:
- Se desarrolló una vacuna utilizando el componente gp340 del antígeno de membrana EBV.
- Las capacidades protectoras de la vacuna se probaron en tamarinos cottontop contra una dosis alta de EBV.
Principales resultados:
- La vacuna derivada de gp340 confirió protección completa contra una dosis linfomagénica del 100% de EBV en el modelo animal probado.
- El gen del antígeno de membrana se ha clonado con éxito, lo que indica la viabilidad de la producción de vacunas humanas.
Conclusiones:
- Una vacuna EBV basada en gp340 demuestra un potencial protector significativo.
- Los ensayos de vacunas en humanos podrían comenzar con la mononucleosis infecciosa, seguidos de ensayos para el linfoma de Burkitt y el cáncer nasofaríngeo.
Videos de Conceptos Relacionados
Vaccinations
Overview
Cancer Vaccines
Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Human Virome
The human body harbors a vast and diverse viral community known as the human virome. The virome includes bacteriophages that infect bacteria, and eukaryotic viruses that infect human cells. Transient dietary and environmental viruses also contribute to this dynamic ecosystem. Estimates suggest the human body may contain on the order of 10¹³ viral particles, though abundance varies widely by body site and detection method.Comprehensive characterization of the virome has become possible only with...
Vaccines
Vaccines are among the most effective tools in preventive medicine, designed to prepare the immune system to recognize and combat infectious agents. By introducing antigens—substances that the immune system identifies as foreign—vaccines stimulate an adaptive immune response that leads to immunological memory. This immunological memory enables the body to mount a faster and more effective response upon future exposures to the actual pathogen.Vaccines can be categorized based on the type of...
Smallpox
Smallpox is a severe contagious disease caused by the Variola major virus, a double-stranded DNA member of the Poxviridae family.Variola major transmission occurs primarily via inhalation of virus-laden droplets or direct contact with infectious scabs. The incubation period averages approximately seven days, although it may range from 7 to 17 days depending on the inoculum and host factors.Clinically, the prodromal phase is marked by an abrupt onset of high fever, malaise, headache, and myalgia.
Viral Hepatitis I: Introduction
Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...

