Medical research

Study suggests stem cells may repair dying retinal cells

Researchers at St. Erik Eye Hospital and Karolinska Institutet have for the first time successfully transplanted human retinal pigment epithelial cells derived from stem cells into eyes that are similar to human eyes. The ...

Medical research

Study provides hope for some human stem cell therapies

An international team of scientists headed by biologists at UC San Diego has discovered that an important class of stem cells known as human "induced pluripotent stem cells," or iPSCs, which are derived from an individual's ...

HIV & AIDS

Vitamin D status related to immune response to HIV-1

Vitamin D plays an important part in the human immune response and deficiency can leave individuals less able to fight infections like HIV-1. Now an international team of researchers has found that high-dose vitamin D supplementation ...

Oncology & Cancer

Skin pigment renders sun's UV radiation harmless using projectiles

Researchers at Lund University in Sweden and other institutions have worked out how the pigment of the skin manages to protect the body from the sun's dangerous UV rays. The skin pigment converts the UV radiation into heat ...

Neuroscience

Unexpected origin for important parts of the nervous system

A new study from Karolinska Institutet in Sweden shows that a part of the nervous system, the parasympathetic nervous system, is formed in a way that is different from what researchers previously believed. In this study, ...

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