Proceedings of the National Academy of Sciences

Immunology

A new targeted treatment calms the cytokine storm

Cytokines are chemical messengers that help the body get rid of invading bacteria and viruses, and control inflammation. The body carefully balances cytokines because they help keep the immune system healthy. However, this ...

Immunology

Nasal spray with antibodies could prevent COVID-19

Researchers at Karolinska Institutet have shown that nasal drops with IgA antibodies can protect mice from SARS-CoV-2 infection. The results imply a new way to protect individuals at high risk from different variants of the ...

Surgery

Women more resistant to anesthetic than men, finds study

Sex hormones may contribute to increased anesthetic resistance in women compared with men, according to a new study published in Proceedings of the National Academy of Sciences. General anesthetics exert their hypnotic effects ...

Radiology & Imaging

Targeted MRI detects chronic liver disease

Chronic liver diseases such as hepatitis, liver cirrhosis, and hepatocellular carcinoma are a major cause of morbidity and mortality worldwide. Fibrosis—the thickening and scarring of connective tissue—plays a major role ...

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