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A Parkinson’s Link

In a GWAS meta-analysis, members of the International Parkinson Disease Genomics Consortium identify five new genes associated with risk of the disease that add to the growing pile of evidence that Parkinson's has genetic roots, reports the Associated Press’ Maria Cheng. This newest discovery has inspired optimism about potential new treatments among experts and prompted some to predict that a diagnostic test could be available within a few years, Cheng adds. In analyzing data obtained from 12,000 individuals with Parkinson’s and more than 21,000 healthy controls, the team found 11 significant risk-associated loci, including the five novel genes. The team's study appears online today in The Lancet.

The Scan

Pig Organ Transplants Considered

The Wall Street Journal reports that the US Food and Drug Administration may soon allow clinical trials that involve transplanting pig organs into humans.

'Poo-Bank' Proposal

Harvard Medical School researchers suggest people should bank stool samples when they are young to transplant when they later develop age-related diseases.

Spurred to Develop Again

New Scientist reports that researchers may have uncovered why about 60 percent of in vitro fertilization embryos stop developing.

Science Papers Examine Breast Milk Cell Populations, Cerebral Cortex Cellular Diversity, Micronesia Population History

In Science this week: unique cell populations found within breast milk, 100 transcriptionally distinct cell populations uncovered in the cerebral cortex, and more.