Tuesday, May 3, 2016

What’s in a name?

A question was asked on our Chicago trip, “Will our daughters’ genetic mutation get a name?” It’s a question I’ve wondered myself. DDX3X doesn’t exactly roll off the tongue. In fact, most people just know that Emelyn has a rare genetic disorder, and if they have a good memory they remember it’s on her X-chromosome and therefore only affects girls. There are very few who can spout off those four letters with that strange number somewhere in there. If you’re one of those people, don’t feel bad. I totally get it. And, to be honest, it’s more important to us that you know Emelyn, not her diagnosis. While DDX3X is certainly part of her, it does not define her.

The adorable Emelyn at around 18 months old. It would be several more months before the DDX3X mutation would be identified as a true diagnosis and another year before we would receive the diagnosis for Emelyn. 
So, back to the question, will Emelyn’s diagnosis get another name…maybe one you can actually remember? The chances are, no. And here’s the reasoning. Through modern technology, new genetic disorders are being discovered every year. And each of them can’t get its own name.
Names can be descriptive, such as polycystic renal disease or cystic fibrosis. Or names can come from the person who discovered it, such as Down Syndrome discovered by Dr. John Langdon Down in 1866. And sometimes, names can come from a person who had the disease, such as Lou Gehrig’s disease in the case of amyotrophic lateral sclerosis (ALS) or Christmas disease named after Stephen Christmas, a boy first observed with the disease.
Usefulness is the key factor when naming a disease, therefore DDX3X is likely the name that is the most useful. It tells you exactly what gene is affected. That’s not to say that DDX3X will always be the name, but for now, it doesn’t appear to be going anywhere.

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