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High Blood Pressure: Chromosomes or Hormones?

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High Blood Pressure related image Photo: Getty Images

For women, the root of half our problems – cravings for chocolate, mood swings, weight gain, ability to cope with stress – seem to be driven by our wonderful female sex hormone, estrogen. Even as our supply dwindles as we age, estrogen, or rather the lack thereof, continue to plague us with new problems. An increase in weight gain, the dreaded menopause belly, high blood pressure or hypertension, heart disease, osteoporosis, and even urinary incontinence are all hormone related gifts to the post-menopausal woman. Unfortunately for women, problems such as obesity, larger than normal belly, and high blood pressure only serve to put us at an increased risk of heart disease.

Because the risk of developing high blood pressure increases after menopause, it’s generally accepted that hormones play a role in the onset of hypertension. Untreated, high blood pressure may lead to heart failure, heat attack, or stroke, any one of which could lead to a premature death. (High Blood Pressure 1)

Now, it appears that hormones may be getting a bad rap when it comes to high blood pressure. According to the results of research study conducted by the Georgetown University Medical Center (GUMC), hormones have a partner in crime when it comes to high blood pressure – your sex chromosomes. For the first time ever, researchers identified a chromosome combination that appears to indicate whether or not you’ll develop high blood pressure as you age.

Just in case you’ve forgotten freshman biology, all of us have chromosomes. A man’s chromosome combination is XY. X chromosomes are received from the mother and a Y chromosomes from the father, giving the man two sex chromosomes. Women, on the other hand, have only one sex chromosome or an XX combination, receiving an X chromosome from both mother and father. The Sry gene determines whether or not we become male or female. (Georgetown 1)

For the purpose of this study, researchers genetically engineered female mice with an XY chromosome combination. By studying the mice in tandem, that is XY female mice to XX female mice, they made a startling discovery.

Add a Comment1 Comments

Enjoyed the term "menopause belly" because it's so true. Very informative blog.

April 21, 2011 - 8:54am
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