Topic Review
Xanthine Oxidoreductase Activities
Xanthine oxidoreductase (XOR) is the enzyme that catalyzes the oxidation of hypoxanthine to xanthine and xanthine to uric acid. XOR is widely distributed throughout living organisms and is highly conserved in prokaryotic, plant, and animal species. XOR activity is very versatile, generating both pro-oxidant (primarily within the cell) and anti-oxidant (primarily in plasma) products.
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  • 21 Sep 2020
Topic Review
X-linked Thrombocytopenia
X-linked thrombocytopenia is a bleeding disorder that primarily affects males.
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  • 24 Dec 2020
Topic Review
X-linked Spondyloepiphyseal Dysplasia Tarda
X-linked spondyloepiphyseal dysplasia tarda is a condition that impairs bone growth and occurs almost exclusively in males.
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  • 24 Dec 2020
Topic Review
X-linked Sideroblastic Anemia and Ataxia
X-linked sideroblastic anemia and ataxia is a rare condition characterized by a blood disorder called sideroblastic anemia and movement problems known as ataxia. This condition occurs only in males.  
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  • 24 Dec 2020
Topic Review
X-linked Sideroblastic Anemia
X-linked sideroblastic anemia is an inherited disorder that prevents developing red blood cells (erythroblasts) from making enough hemoglobin, which is the protein that carries oxygen in the blood.
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Topic Review
X-linked Myotubular Myopathy
X-linked myotubular myopathy is a condition that primarily affects muscles used for movement (skeletal muscles) and occurs almost exclusively in males. People with this condition have muscle weakness (myopathy) and decreased muscle tone (hypotonia) that are usually evident at birth.  
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  • 24 Dec 2020
Topic Review
X-linked Lymphoproliferative Disease
X-linked lymphoproliferative disease (XLP) is a disorder of the immune system and blood-forming cells that is found almost exclusively in males.
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  • 24 Dec 2020
Topic Review
X-linked Lissencephaly with Abnormal Genitalia
X-linked lissencephaly with abnormal genitalia (XLAG) is a condition that affects the development of the brain and genitalia. It occurs most often in males.  
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  • 24 Dec 2020
Topic Review
X-linked Juvenile Retinoschisis
X-linked juvenile retinoschisis is a condition characterized by impaired vision that begins in childhood and occurs almost exclusively in males.
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  • 24 Dec 2020
Topic Review
X-linked Intellectual Disability, Siderius Type
X-linked intellectual disability, Siderius type is a condition characterized by mild to moderate intellectual disability that affects only males. Affected boys often have delayed development of motor skills such as walking, and their speech may be delayed.  
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  • 24 Dec 2020
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