Scientists uncover genetic explanation that could explain mechanisms in EDS, POTS and MACS

https://www.nih.gov/news-events/news-releases/nih-scientists-uncover-genetic-explanation-frustrating-syndrome

Scientists at the National Institutes of Health have identified a genetic explanation for a syndrome characterized by multiple frustrating and difficult-to-treat symptoms, including dizziness and lightheadedness, skin flushing and itching, gastrointestinal complaints, chronic pain, and bone and joint problems. Some people who experience these diverse symptoms have elevated levels of tryptase — a protein in the blood often associated with allergic reactions. Multiple copies of the alpha tryptase gene drive these tryptase elevations and may contribute to the symptoms, according to a new study led by investigators at NIH’s National Institute of Allergy and Infectious Diseases (NIAID).

Other studies have indicated that four to six percent of the general public has high tryptase levels. While not all of these people experience symptoms, many do, raising the possibility that this mildly prevalent trait in some cases drives the symptoms, although how it does so remains unclear….

Previously, NIAID researchers had observed that a combination of chronic and sometimes debilitating symptoms, such as hives, irritable bowel syndrome and overly flexible joints, runs in some families and is associated with high tryptase levels. Many affected family members with high tryptase also reported symptoms consistent with disorders of autonomic nervous system function (dysautonomia), including postural orthostatic tachycardia syndrome (POTS), which is characterized by dizziness, faintness and an elevated heartbeat when standing up.

Reference:

“Elevated basal serum tryptase identifies a multisystem disorder associated with increased TPSAB1 copy number”, Jonathan J Lyons et al. 

Corresponding author: Joshua D Milner

Nature Genetics (2016), doi:10.1038/ng.3696

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About Hypermobility Syndrome India/Viv

I an an Indian woman with Ehlers Danlos Syndrome Hypermobility Type (EDS-HT), also known as joint hypermobility syndrome. Although I have "suffered" from this disease all my life, I was diagnosed at 38 years, 2 years after my child was born. My work mainly involves being a mom to my beautiful and compassionate child. I also write and work from home in the field of science. I aim to raise awareness about EDS-HT, chronic pain, invisible illnesses, mental illnesses and invisible disabilities through my blogs. Viv (Latin root, meaning Life/ Alive) is my blogging pseudonym and alludes to my continued endeavor to rediscover my life and its meaning.
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One Response to Scientists uncover genetic explanation that could explain mechanisms in EDS, POTS and MACS

  1. The Phoenix says:

    It’s reassuring to know that someone is out there doing research, and actually getting somewhere!

    Liked by 1 person

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