Featured
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Letter |
Complex mammalian-like haematopoietic system found in a colonial chordate
The identification of a complex haematopoietic system in a colonial tunicate sheds light on the evolution of the mammalian blood system.
- Benyamin Rosental
- , Mark Kowarsky
- & Ayelet Voskoboynik
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Letter |
Consistent success in life-supporting porcine cardiac xenotransplantation
α1,3-galactosyltransferase-knockout pig hearts that express human CD46 and human thrombomodulin require non-ischaemic preservation with continuous perfusion and post-transplantation growth control to ensure long-term orthotopic function of the xenograft in baboons.
- Matthias Längin
- , Tanja Mayr
- & Jan-Michael Abicht
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News |
Dormant HIV gets rude awakening
Researchers tackle virus particles hiding in the immune system as part of efforts to find a cure for AIDS.
- Cassandra Willyard
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News & Views |
iPS cells under attack
Induced pluripotent stem cells offer promise for patient-specific regenerative therapy. But a study now cautions that, even when immunologically matched, these cells can be rejected after transplantation. See Letter p.212
- Effie Apostolou
- & Konrad Hochedlinger
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News |
DNA mismatch reveals organ rejection
A test that spots donor DNA in a transplant recipient's bloodstream could replace invasive biopsies.
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Research Highlights |
Immunology: It's not you. It's your organelles.