Video Experimental Relacionado
Updated: Jul 29, 2026
07:02
Identifying Dysregulated Genes Induced by Kaposi's Sarcoma-associated Herpesvirus (KSHV)
Published on: September 14, 2010
Espectro de trastornos malignos asociados al SIDA
J J Goedert1, T R Coté, P Virgo
1Viral Epidemiology Branch, National Cancer Institute, Rockville, MD, USA. jg8s@nih.gov
Lancet (London, England)
|July 4, 1998
Resumen
Las personas con SIDA tienen un riesgo significativamente mayor de desarrollar la enfermedad de Hodgkin, mieloma múltiple, cáncer cerebral y seminoma. Estos hallazgos sugieren un vínculo entre el síndrome de inmunodeficiencia adquirida (SIDA) y ciertos cánceres más allá del sarcoma de Kaposi y el linfoma no Hodgkin.
Área de la Ciencia:
- Epidemiología La epidemiología.
- Inmunología Inmunología.
- Oncología Oncología.
Sus antecedentes:
- El síndrome de inmunodeficiencia adquirida (SIDA) se asocia con ciertos tipos de cáncer.
- Aclarar el espectro completo de cánceres relacionados con el SIDA es crucial para la atención al paciente y la salud pública.
Objetivo del estudio:
- Para identificar tipos específicos de cáncer que resultan del SIDA.
- Para comparar la incidencia de cáncer en personas con SIDA frente a la población general.
Principales métodos:
- Utilizó registros de cáncer y SIDA basados en la población en los EE.UU. y Puerto Rico.
- Empleó un algoritmo de coincidencia probabilístico en nombres, fechas de nacimiento y números de seguridad social para 98,336 personas con SIDA y 1,125,098 pacientes con cáncer.
- Definición de cánceres relacionados con el SIDA basados en un aumento significativo de la incidencia después del SIDA y el aumento de la prevalencia alrededor del período de diagnóstico del SIDA.
Principales resultados:
- Se han confirmado tasas significativamente elevadas de sarcoma de Kaposi (310 veces) y linfoma no Hodgkin (113 veces) en personas con SIDA.
- Se identificó un aumento significativo en la incidencia y prevalencia de la enfermedad de Hodgkin (7,6 veces), el mieloma múltiple (4,5 veces), el cáncer cerebral (3,5 veces) y el seminoma (2,9 veces).
- Se observó un aumento de 1,9 veces la incidencia de otros cánceres, con trastornos malignos específicos que muestran aumentos significativos.
Conclusiones:
- El SIDA se asocia con un riesgo significativamente mayor de enfermedad de Hodgkin, mieloma múltiple, cáncer cerebral y seminoma.
- La deficiencia inmunológica en el control de las infecciones virales puede contribuir al desarrollo de estas enfermedades malignas relacionadas con el SIDA.
- Los factores de riesgo compartidos y las complejidades del cribado garantizan una interpretación cuidadosa de los hallazgos.
Videos de Conceptos Relacionados
02:23Abnormal Proliferation
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...
01:51Mechanisms of Retrovirus-induced Cancers
Retroviruses are RNA viruses that have been shown to cause cancers in diverse species, including chickens, mice, cats, and monkeys. The RNA genomes of these viruses are first reverse-transcribed into single and then double-stranded DNA (dsDNA) copies. This dsDNA called proviral DNA then integrates into the host genome. Subsequently, the host cell transcribes the proviral DNA in concert with the chromosomal DNA. This leads to the production of viral RNA and proteins that assemble at the host...
01:17Other Pulmonary Disorders
Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
01:29Pulmonary Tuberculosis I
Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
01:27Cryptococcal Meningitis
Cryptococcal meningitis is a life-threatening opportunistic infection predominantly associated with HIV/AIDS, accounting for over 100,000 deaths annually worldwide. However, it also affects individuals with other forms of immunosuppression, including those undergoing immunosuppressive therapy, organ transplant recipients, patients with innate immunodeficiencies, and individuals with hematological disorders. The infection is caused mainly by Cryptococcus neoformans and Cryptococcus gattii,...
01:28Amebiasis
Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...