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Comment
. 2014 Jan;124(1):74-6.
doi: 10.1172/JCI73585. Epub 2013 Dec 20.

Hostile takeover: fungal protein promotes host cell invasion

Comment

Hostile takeover: fungal protein promotes host cell invasion

J Andrew Alspaugh. J Clin Invest. 2014 Jan.

Abstract

The ability to suppress the immune system has lead to great advances in transplant technology and treatment of autoimmune diseases. Unfortunately, the immunosuppression of these patients has led to the rise of opportunistic infections by organisms that are recalcitrant to current prophylactic strategies. One such example is the increase of mucormycosis, an invasive infection caused by filamentous fungi of the order Mucorales. In this issue of the JCI, Gebremariam and colleagues determined that spore coat homolog (CotH) proteins are required for angioinvasion and that these proteins are unique to Mucorales. Their findings provide a potential therapeutic target for prevention and treatment of mucormycosis.

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Figures

Figure 1
Figure 1. CotH proteins on the fungal surface promote angioinvasion.
CotH proteins on the surface of Mucorales specifically bind to GRP78 on the surface of host endothelial cells. This interaction facilitates fungal invasion of the cell. Damage to the endothelial cells promotes angioinvasion and dissemination.

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References

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