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Increased cholesterol levels are being increasingly recognised as risk factors for the onset and progression of several cancers. Now researchers in Portugal show that high levels of cholesterol can affect the microenvironment of the bone marrow, so that more cells move from the bone marrow to peripheral, circulating blood.
Hollow gold nanospheres equipped with a targeting peptide find melanoma cells, penetrate them deeply, and then cook the tumor when bathed with near-infrared light. When heated with lasers, the actively targeted hollow gold nanospheres did eight times more damage to melanoma tumors in mice than did the same nanospheres that gathered less directly in the tumors.
While previous studies have linked vitamin D deficiency to an increased risk for cardiovascular disease, new research at the Intermountain Medical Center Heart Institute shows that too much vitamin D can lead to the onset of a dangerous heart condition known as atrial fibrillation.
Rhabdomyosarcoma is a malignant soft tissue tumor in the muscle tissue of children and adolescents. About 20 children are diagnosed with rhabdomyosarcoma per year in the Netherlands. "Metastases in these children are often found in the lungs," says professor Hans Merks of the Princess Máxima Center for Pediatric Oncology, who led the study.
A study in Norway has found that health professionals caring for people with mental illness have difficulty providing follow-up services to the children of these patients. The law in the country has changed to mandate follow-up care for children, and health professionals believe it is a good thing, but struggle to overcome organisational and professional barriers.
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