Genetic Engineering Publications - GEG Tech top picks
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CRISPR-therapy promise, malaria vaccine and pandemic parenting - Nature

CRISPR-therapy promise, malaria vaccine and pandemic parenting - Nature | Genetic Engineering Publications - GEG Tech top picks | Scoop.it
The latest science news, in brief.
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Six people with a rare and deadly disease called transthyretin amyloidosis were treated with CRISPR-Cas 9 in a clinical trial. The treatment targets a protein that is primarily made in the liver.

Preliminary results from this clinical trial suggest that CRISPR-Cas9 gene editing can be deployed directly in the body to treat the disease. This is the first study to show that the technique can be safe and effective if the CRISPR-Cas9 components are infused into the bloodstream. All patients experienced a decrease in the level of a deformed protein associated with the disease. Being able to edit genes directly in the body would open the door to treating a wider range of diseases.

 

An experimental malaria vaccine containing live parasites protected almost all subjects from infection in a small clinical trial.

Participants in the study received an injection containing live Plasmodium falciparum, as well as drugs to kill any parasites to kill any parasites that had reached the liver or bloodstream, where they can where they can cause malaria symptoms. The vaccine protected 87.5 percent of participants infected with the strain of parasite used for inoculation, and 77.8% of those infected with a different strain.

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Highly efficient Cas9-mediated gene drive for population modification of the malaria vector mosquito Anopheles stephensi

Highly efficient Cas9-mediated gene drive for population modification of the malaria vector mosquito Anopheles stephensi | Genetic Engineering Publications - GEG Tech top picks | Scoop.it
BigField GEG Tech's insight:

In this work, scientists used the CRISPR/Cas9 system to spread antimalarial genes into a target vector population of mosquito. 

They obeserve a higgh efficiency of this tool to genetically modify the mosquito germ line,


www.geg-tech.com/Vectors

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malaria parasite transmission to mosquitos: Protein discovered as essential

malaria parasite transmission to mosquitos: Protein discovered as essential | Genetic Engineering Publications - GEG Tech top picks | Scoop.it
Scientists studying the sexual transformation of the malaria parasite have solved a long-standing mystery in parasite biology. Two research teams have independently discovered that a single protein acts as the master genetic switch that triggers the development of male and female sexual forms of the malaria parasite. The research also gives important clues for identifying the underlying mechanisms that control this developmental fate, determining whether or not a malaria parasite will be able to transmit the disease. The discovery has important implications for human health.
BigField GEG Tech's insight:

Important discovery which could enable the design of  therapies against malaria!

 

http://geg-tech.com

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A CRISPR-Cas9 gene drive system targeting female reproduction in the malaria mosquito vector Anopheles gambiae - Nature Biotechnology

A CRISPR-Cas9 gene drive system targeting female reproduction in the malaria mosquito vector Anopheles gambiae - Nature Biotechnology | Genetic Engineering Publications - GEG Tech top picks | Scoop.it
BigField GEG Tech's insight:

Development of a CRISPR/Cas9-based gene drive system in Anopheles gambiae, the main vector for the malaria parasite, paves the way for control of this pest insect.

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Genome editing in the human malaria parasite Plasmodium falciparum using the CRISPR-Cas9 system - Nat. Biotech.

Genome editing in the human malaria parasite Plasmodium falciparum using the CRISPR-Cas9 system - Nat. Biotech. | Genetic Engineering Publications - GEG Tech top picks | Scoop.it
BigField GEG Tech's insight:

Genome manipulation in the malaria parasite Plasmodium falciparum remains largely intractable and improved genomic tools are needed to further understand pathogenesis and drug resistance. We demonstrated the CRISPR-Cas9 system for use in P. falciparum by disrupting chromosomal loci and generating marker-free, single-nucleotide substitutions with high efficiency. Additionally, an artemisinin-resistant strain was generated by introducing a previously implicated polymorphism, thus illustrating the value of efficient genome editing in malaria research.

 

http://geg-tech.com/

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