Genetics

Human egg cells are imperfect surprisingly often

More than 7% of human oocytes contain at least one exchangeless chromosome pair, demonstrating a remarkably high level of meiotic recombination failure, finds a study appearing December 10 in the American Journal of Human ...

HIV & AIDS

Cuba to test new AIDS vaccine on humans

Cuba's top biotech teams have successfully tested a new AIDS vaccine on mice, and are ready to soon begin human testing, a leading researcher told a biotechnology conference in Havana on Monday.

Genetics

Hybrid strains make insidious parasite more dangerous

Researchers at Karolinska Institutet in Sweden have mapped how the parasite Trypanosoma cruzi forms new variants that are more effective at evading the immune system and causing disease. Their findings can give rise to new ...

Medical research

Human protein produced in CHO-cells can save donor blood

Alpha-1-antitrypsin is a protein produced by the liver. The protein gets secreted to the blood stream, where it circulates the body to protect the lungs. However, some people are born with genetic disorders that hinders production ...

Immunology

Rapid recall to fight familiar foes

The immune system's first encounter with a potential threat is a valuable learning experience. Through a process of genetic recombination, our immune B cells can potentially produce a wide array of B cell receptor (BCR) molecules, ...

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