Genetics

Why we age: New theories gaining ground

Why do we age? It's a question that has had scientists scratching their heads for decades, but finally, we are starting to get some answers. Here is the story so far.

Oncology & Cancer

Researchers unlock mysteries of complex microRNA oncogenes

MicroRNAs are tiny molecules of nucleic acid that control gene expression, acting like a dimmer switch to tone down gene output at key positions in the network of information that governs a cell's function. MicroRNAs are ...

Genetics

Rare recessive mutations pry open new windows on autism

Over the past decade, autism spectrum disorder has been linked to mutations in a variety of genes, explaining up to 30 percent of all cases to date. Most of these variants are de novo mutations, which are not inherited, affect ...

Medications

Whooping cough evolving to beat antibiotics and possibly vaccine

A new strain of Bordetella pertussis – the bacterium that causes whooping cough – has become resistant to antibiotic treatment and may also be resistant to the vaccine used in China. A UNSW Sydney academic says the growing ...

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