Medical Science

There are a number of genetically inherited blood coagulation disorders. Factor V Leiden is the most common of these seen in the United States. According to Factor V Leiden.org, it occurs in about 5% of the Caucasian population and 1.2%…
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What is chromosome 11? Human beings have 23 pairs or chromosomes in each cell. There are two 11 chromosomes – one from each parent. It is estimated that chromosome 11 contains about 1,500 genes that perform a variety of functions…
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Clopidogrel is the generic name of an antiplatelet drug known by the trade name Plavix. This medication is used to decrease platelet aggregation, and by extension prevent blood clot formation, in the aftermath of a heart attack or stroke. Plavix…
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The following should seem quite obvious: Every human needs blood in order to survive. This complex tissue is a necessary element that travels through the body and carries out many different functions. In some people, molecules of antigens known as…
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Breast cancer is the second commonest cancer among American women and it is also the second commonest killer among all cancers in the same population. For most women, the lifetime risk of developing breast cancer is around 13% while certain…
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Trisomy 13, also called Patau syndrome, results from three copies of chromosome 13 instead of the normal two copies. This disorder is relatively infrequent, occurring in approximately 1 in 10,000 live births. As with other human chromosomal disorders, most cases…
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Loeys-Dietz syndrome is a genetic disorder that affects the connective tissues of the affected individual.  It was recently discovered as a disorder of its own in 2005 by geneticists Dr. Harry Dietz and Dr. Bart Loeys.  Up until then, it was…
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The word trisomy in genetics translates to meaning “an extra” chromosome. In the case of Trisomy 13 or Patau Syndrome, it is an extra chromosome at position 13 in a karyotype. This means the individual possess three copies of the…
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To the naked eye blood can look like a simple red fluid but in reality it is a complex living tissue containing a large number of cell types and proteins that differs from person to person. To be able to…
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DNA methylation is a modification of DNA that occurs after synthesis of the strand. A methyl group (CH3) is added to one of the four nucleotides in DNA, specifically cytosine, by the enzyme DNA methyltransferase. This chemical change has been…
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