Snakebite is a serious public health issue in many tropical countries. Every year, roughly 2 million cases of poisoning from snakebites occur, and more than 100,000 people die. Snake venom is extremely complex, containing a cocktail of chemicals, many of which are undefined. This complicates the development of new therapeutics for treating snakebite.
Antivenom is the most effective treatment for snakebites,
but its production is complex and dangerous. It involves manually milking the
venom from different species of live snakes, then injecting small doses of the
venom into animals (mostly horses) to stimulate an immune response. After a
period of time, antibodies form in the animal’s blood, which is purified for
use as antivenom.
But what if we could produce snake venom in the lab, instead
of using live snakes? Recently, a group from the Netherlands did just that by
growing organoids derived from snake venom glands.
Imagine you are a high school student living in a community devastated by gun violence and death. In the U.S., this could be one of many communities, but it happens to be Baltimore which had 301 deaths due to gun violence in 2017 (with a per capita rate well above other large cities). Then imagine you were part of an organization within that community that helped you, along with other students, gain knowledge and skills to come up with a viable solution to the problem using synthetic biology.
This is exactly how the Baltimore Bio-Crew came up with their iGEM project, Coagulance Rx. The Baltimore Bio-Crew decided to tackle this community issue head-on. One team member, Mercedes Ferandes, reflected, “Living in Baltimore City, I have not only witnessed gun violence in front of me, but have had family members and friends die from it. I wanted to try to decrease the amount of deaths by gun violence using iGEM.”
After some research, they discovered that many of the gun violence deaths were due to blood loss and could have been prevented. The impoverished neighborhoods where this violence occurs lack the resources to provide timely emergency medical treatment. Many of these deaths can be attributed to delayed arrival of emergency response teams—wait times for an ambulance can be over an hour.
Although there were several contributing factors beyond their control, the team wanted to address this problem by focusing on blood clotting and how it could be helpful as a quick temporary treatment for open wounds. This solution could offer a reliable, cost efficient way to save lives by slowing or stopping blood loss until a victim could get medical attention. The team decided to pursue the use of snake venom after coming across some previous iGEM projects that had used it for clotting. Team member Henry Ryles pointed out that the need for snake venom powerful enough to clot blood quickly led them to choose the venom of the Russell’s Viper (Daboia russelii).
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