Nearly three years after it first struck, SARS-CoV-2, the virus that causes Covid-19, remains dominant in our lives. With new cases popping up across the world, including in India, scientists have now unraveled the battle plans of this virus, revealing the mystery of how it wins the war against the human immune system. Scientists working on coronaviruses have discovered that …
If the circumstances are right, the body's T cells are supposed to detect and kill the cancer cells. These dendritic cells can cloak themselves in tumour proteins, allowing them to impersonate cancer cells and trigger a strong T cell response. "We knew that dendritic cells are incredibly important for the antitumor immune response, but we didn't know what really constitutes …
Coronavirus pandemic has brought about a sense of fear and anxiety around the globe. Research showed that SARS-CoV-2 uses a receptor called ACE2 to gain entry into human cells, aided by an enzyme called TMPRSS2. The study, led by Jose Ordovas-Montanes, doctoral student at the Boston Children's Hospital, in the US, found that one of the body's main defences against …
The disease-resistant patients exposing Covid-19's weak spots Ying Tang/Getty Images There are some people whose bodies have reacted differently to Covid-19 compared to the rest of the population Some people are unusually resilient to the coronavirus, so scientists are now searching their genes and blood in the hope of finding the pandemic's Achilles' heel. "The idea is to try and …