Melanoma transmisible detectado en bagres del lago Memphremagog

Melanoma transmisible detectado en bagres del lago Memphremagog

Investigadores de la Universidad de Vermont informaron que hasta el 37 % de los bagres marrones capturados en el lago Memphremóg presentaban lesiones de melanoma, lo que indica un brote de cáncer contagioso posiblemente vinculado a inundaciones anteriores en la cuenca. Estudios previos habían identificado la enfermedad como el primer cáncer transmisible probable en bagres silvestres, al observar que los tumores comparten un origen genético común. Los resultados, publicados en Nature, constituyen el primer caso documentado de cáncer transmisible en una especie de agua dulce.

Actores

Julie Dragon University of Vermont researchers

Ubicaciones

Lake Memphremagog, Quebec, Canada Lake Memphremagog, Vermont, United States University of Vermont, Burlington, Vermont, United States

Artículos

28 de julio de 2026
1 en total
known transmissible cancer discovered
known transmissible cancer discovered

NewsNation • 28 de jul 22:33

Scientists report that up to 37% of brown bullhead catfish sampled in Lake Memphremagog carried melanoma lesions, suggesting a contagious cancer outbreak possibly linked to past flooding.

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25 de julio de 2026
2 en total
Scientists discover 1st known likely transmissible cancer in wild catfish
Scientists discover 1st known likely transmissible cancer in wild catfish

Yahoo • 25 de jul 18:57

A study of brown bullhead catfish in Lake Memphremagog found that melanoma tumors share a common genetic origin, suggesting the cancer may spread between fish, marking the first known transmissible cancer in a freshwater species.

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Scientists discover 1st known likely transmissible cancer in wild catfish
Scientists discover 1st known likely transmissible cancer in wild catfish

ABC News - Breaking News, Latest News and Videos • 25 de jul 18:33

A study published in Nature reports that melanoma cells appear to spread between brown bullhead catfish in Lake Memphremagog, marking the first known transmissible cancer in fish and in a freshwater environment.

Credibilidad 78% Manip. 7% Centro
23 de julio de 2026
1 en total
First-known freshwater contagious cancer spreading among catfish in this lake
First-known freshwater contagious cancer spreading among catfish in this lake

FOX Weather • 23 de jul 19:13

Researchers have confirmed the first known case of a contagious cancer in freshwater fish, finding malignant melanomas in a significant portion of brown bullhead catfish in Lake Memphremagog.

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22 de julio de 2026
2 en total
A strange transmissible cancer is spreading through the catfish in this lake
A strange transmissible cancer is spreading through the catfish in this lake

NPR • 22 de jul 17:33

Scientists have discovered a contagious form of melanoma spreading among brown bullhead catfish in Lake Memphremagog, affecting about a third of the population and offering new insights into cancer metastasis.

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Scientists Discover the First-Ever Contagious Cancer in Fish
Scientists Discover the First-Ever Contagious Cancer in Fish

Gizmodo • 22 de jul 15:00

Researchers have confirmed that a melanoma-like tumor spreading among brown bullhead catfish in Lake Memphremagog is a contagious cancer, marking the first known transmissible cancer in a freshwater animal.

Credibilidad 78% Manip. 10% Centro