T-cell memory: Memory T cells count their ancestors

p670 | doi:10.1038/nri1692

Asthma and allergy: Pollen found guilty

p671 | doi:10.1038/nri1696

T-cell signalling: Methylation modifies T-cell function

p672 | doi:10.1038/nri1693

Innate immunity: It's not all about TLRs

p672 | doi:10.1038/nri1697

Tumour immunology: Another way to escape the immune system's watchful eye

p673 | doi:10.1038/nri1698

Natural killer cells: NK cells need a license to kill

p674 | doi:10.1038/nri1691

Immune regulation: The sweet side of maturation

p674 | doi:10.1038/nri1694

The Yin and Yang of type I interferon activity in bacterial infection

Thomas Decker, Mathias Müller and Silvia Stockinger

p675 | doi:10.1038/nri1684

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Interleukin-21: a modulator of lymphoid proliferation, apoptosis and differentiation

Warren J. Leonard and Rosanne Spolski

p688 | doi:10.1038/nri1688

• Abstract
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Getting under the skin: the immunogenetics of psoriasis

Anne M. Bowcock and James G. Krueger

p699 | doi:10.1038/nri1689

• Abstract
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Regulation of immune cells by local-tissue oxygen tension: HIF1 and adenosine receptors

Michail Sitkovsky and Dmitriy Lukashev

p712 | doi:10.1038/nri1685

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Immunological processes in malaria pathogenesis

Louis Schofield and Georges E. Grau

p722 | doi:10.1038/nri1686

• Abstract
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