Nevertheless,
Covid-19 influenza could responsible awakening:
Published in the journal Nature. However, a study suggests that influenza or coronavirus infection is likely to awaken dormant cancer cells in cancer survivors.
When it is fatal, breast cancer, the second more frequent in the world, often kills after a period of dormancy. However, During this phase, tumor cells persist without the tumor growing. Moreover, According to a study published on July 30. Meanwhile, they can however be “awakened” by respiratory infections such as the flu or the COVID-19.
This research work published in the journal Nature has studied the case of mice with metastatic breast cancer developed in. Similarly, the laboratory. However, They presented. as is often the case in human forms of the disease, cancer cells detached from the primary tumor located in other organs, including the lungs, and remained sleeping for a long time.
When these rodents were exposed to influenza covid-19 influenza could responsible awakening and coronavirus viruses, the tumor cells present in the lungs woke up. A few days after the infection. the researchers observed a massive proliferation of metastatic cells, then the appearance of metastatic lesions in the space of two weeks.
Hidden in the lungs of some breast cancer survivors are tumour cells that can remain dormant for. decades — until they one day trigger a relapsehttps://t.co/8ChDcfxy2f
— nature (@Nature) August 2. 2025
For James Degregori, who has directed the work, it is clear that “the dormant cancer cells are comparable to the embers of an abandoned campfire, and the respiratory viruses are the equivalent of a violent wind that turns the flames”.
Concretely. transposed to human patients, this would mean that a cancer survivor would have more chance of contracting the disease again after being infected with flu or coronavirus.
A protein implicated – Covid-19 influenza could responsible awakening
The analyzes link the reactivation of dormant cells covid-19 influenza could responsible awakening to a protein released by immune cells in response to infections. injuries: interleukin-6 (IL-6). A discovery that suggests that the use of inhibitors of this protein. “other targeted immunotherapy could prevent or mitigate the resurgence of metastases after a viral infection”, explains one of the co-authors of the study, Julio Aguirre-Ghiso, at medical frequency.
To determine whether COVVI-19 infection can increase the risk of cancer mortality. scientists have also studied a sample of cancer survivors they probably judged in remission, since diagnosed at least five years before the pandemic.
They then compared the data of the 487 people who were tested positive for the coronavirus to that of the 4. 350 patients whose test had negative. The risk of dying of cancer appeared almost doubled in the first group, compared to the second.
The researchers noted an even more pronounced effect “during the first year following the infection”. to the point of covid-19 influenza could responsible awakening talking about “rapid progression to cancer”. This is why they recommend adapting the management of people with history of cancer against respiratory viruses. encouraging “a discussion with their health professionals” as well as “vaccination when available”.
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