HIV & AIDS

Immune system uses two-step verification to defend against HIV

Human immunodeficiency virus 1, more commonly known as HIV-1, is known for its uncanny ability to evade the immune system. Scientists at Scripps Research and collaborators have now uncovered how our innate immune system—the ...

Immunology

Towards more effective treatments for immunocompromised patients

For severely immunocompromised patients, a bone marrow transplant restores immune defenses and allows them to resume normal life. But after observing the nasopharyngeal system, where the body's first line of immune defense ...

Diseases, Conditions, Syndromes

New strategy for COVID-19 prophylaxis

SARS-CoV-2 viruses can hide from recognition by the immune system. However, the antiviral immune receptor RIG-I can be stimulated, which improves protection against lethal SARS-CoV-2 infections. Researchers led by Prof. Dr. ...

Immunology

Discovery of an innate immunological memory in the intestine

The innate immune system plays a crucial role in regulating host-microbe interactions, and especially in providing protection against pathogens that invade the mucosa. Using an intestinal infection model, scientists from ...

Diseases, Conditions, Syndromes

Dominant Alpha variant evolved to evade our innate immune system

The SARS-CoV-2 Alpha (B.1.1.7) variant mutated to evade our 'innate immune system', helping establish it as the world's first 'Variant of Concern', finds a new study led by researchers at UCL and the Quantitative Biosciences ...

Diseases, Conditions, Syndromes

SARS-CoV-2 disrupts timing of immune response

Once an infection is under control, the body normally uses a biochemical messenger known as TGFβ to downgrade its immune response. In severe COVID-19, however, this messenger is released at the very beginning of the infection, ...

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Innate immune system

The innate immune system comprises the cells and mechanisms that defend the host from infection by other organisms, in a non-specific manner. This means that the cells of the innate system recognize and respond to pathogens in a generic way, but unlike the adaptive immune system, it does not confer long-lasting or protective immunity to the host. Innate immune systems provide immediate defense against infection, and are found in all classes of plant and animal life.

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