Protein S deficiency
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.
proteins called blood coagulation factors to stop the bleeding. Other proteins in the blood, such as protein S, usually regulate these chemical reactions to prevent excessive clotting. When protein S is missing (deficient), clotting may not be regulated normally and affected individuals have an increased risk of forming a blood clot called a thrombosis. People at risk to have protein S deficiency are those with an individual or family history of multiple blood clots in the veins. Treatment may include taking medication known as blood thinners to decrease the chance of developing a blood clot.Protein S deficiency is a disorder that causes abnormal blood clotting. When someone bleeds, the blood begins a complicated series of rapid chemical reactions involving
Last updated: 3/4/2013
- Congenital protein C or S deficiency. MedlinePlus. February 2012; http://www.nlm.nih.gov/medlineplus/ency/article/000559.htm. Accessed 3/4/2013.
- Genetics Home Reference (GHR) contains information on Protein S deficiency. This website is maintained by the National Library of Medicine.
- The National Heart, Lung, and Blood Institute (NHLBI) can provide information on this topic. You can reach them by calling 301-592-8573 or by E-mail at firstname.lastname@example.org
- The National Hemophilia Foundation has an information page on clotting disorders, including protein S deficiency. Click on the National Hemophilia Foundation link to view this page.
- Proteinsdeficiency.com provides information on protein S deficiency written by a person who has the condition. This site addresses lifestyle issues, frequently asked questions, and more.
- Medscape Reference provides information on this topic. You may need to register to view the medical textbook, but registration is free.
- The Monarch Initiative brings together data about this condition from humans and other species to help physicians and biomedical researchers. Monarch’s tools are designed to make it easier to compare the signs and symptoms (phenotypes) of different diseases and discover common features. This initiative is a collaboration between several academic institutions across the world and is funded by the National Institutes of Health. Visit the website to explore the biology of this condition.
- Online Mendelian Inheritance in Man (OMIM) is a catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine.
- PubMed is a searchable database of medical literature and lists journal articles that discuss Protein S deficiency. Click on the link to view a sample search on this topic.