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  • High ferritin levels...

High ferritin levels may indicate severe COVID-19

Written By : Hina Zahid |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2020-04-24T17:00:36+05:30  |  Updated On 24 April 2020 4:59 PM IST
High ferritin levels may indicate severe COVID-19
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Elevated levels of ferritin, or hyperferritinemia, indicates the presence of viruses and bacteria into the body.High ferritin levels may indicate severe COVID-19.This reaction to the drug was observed in a short therapeutic trial published in the New England Journal of Medicine

Yehuda Shoenfeld is the world's leading expert in the research, treatment and prevention of autoimmune diseases. Professor Shoenfeld noted that the hyperferritinemic syndrome was thoroughly studied a while ago: 'We have already published the data on this clinical condition. In 50% of cases, patients with exceptionally high ferritin levels die. In fact, what we are witnessing at present with the new coronavirus infection is reminiscent of the situation with the hyperferritinemic syndrome.'

Ferritin is a major intracellular iron storage protein in all organisms. It binds free ions of the trace element, neutralising its toxic properties and increasing its solubility. In the soluble form, the body is able to expend iron as needed, in particular for regulation of cellular oxygen metabolism. Low ferritin levels result in lower iron concentrations and iron deficiency anaemia. Elevated levels of ferritin, or hyperferritinemia, indicate the presence of viruses and bacteria into the body. Hyperferritinemia can also be caused by a genetic mutation. In this case, it leads to neurological disorders and vision problems.

Recent studies by Italian scientists have shown that ferritin is able to activate macrophages. The latter are a type of white blood cell of the immune system that play a critical role in innate immunity, being the body's first line of defence.

This is evidenced by hyperferritinemia in patients with septic shock, catastrophic antiphospholipid syndrome, and other medical conditions characterised by macrophage activation. Similar observations have been reported by scientists from China and the United States.

'When activated, macrophages begin to secrete cytokines. These are a category of signalling molecules that mediate and regulate immunity. At low concentrations, they are safe for the body and help to protect it against viruses and bacteria. At high levels, the so called "cytokine storm" develops, which can be lethal for half of the patients, especially for the elderly,' explains Yehuda Shoenfeld. 'Thus, hyperferritinemia has been associated with increased illness severity and adverse outcomes, including COVID-19. Our task is to find a way to combat it.'

The scientist identified a further important indicator of macrophage activation and a high probability of complications. This is marker CD163. In the Laboratory of the Mosaic of Autoimmunity at St Petersburg University, the scientists are searching for a way to reduce circulating ferritin levels. In addition, they are studying possible methods of inhibiting the synthesis of CD163 and other macrophage signalling molecules using antibodies. Similar work is currently underway around the world.

Additionally, Professor Shoenfeld and his colleagues are working on a vaccine against COVID-19. The researchers are developing a method of using virus particles, surface proteins of the virus as the main components of the vaccine. Since these fragments cannot be found in the human body, they are not able to produce an undesirable immune response, which makes them promising candidates for the vaccine.

For more details click on the link: http://dx.doi.org/10.1016/j.autrev.2020.102538

autoimmunity reviewscovid 19coronavirushigh ferritinhyperferritinemia
Source : Autoimmunity Reviews
Hina Zahid
Hina Zahid

    Hina Zahid Joined Medical Dialogue in 2017 with a passion to work as a Reporter. She coordinates with various national and international journals and association and covers all the stories related to Medical guidelines, Medical Journals, rare medical surgeries as well as all the updates in the medical field. Email: editorial@medicaldialogues.in. Contact no. 011-43720751

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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