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A defect of the enzyme results in the premature breakdown of red blood cells. This destruction of red blood cells is called hemolysis. [6] Red blood cell breakdown may be triggered by infections, certain medication, stress, or foods such as fava beans. [1] [3] Depending on the specific mutation the severity of the condition may vary. [2 ...
[11] [12] Accordingly, its primary site of synthesis and activity is in the stomach (pH 1.5 to 2). In humans the concentration of pepsin in the stomach reaches 0.5 – 1 mg/mL. [13] [14] Pepsin is inactive at pH 6.5 and above, however pepsin is not fully denatured or irreversibly inactivated until pH 8.0.
[26] [74] EMG and muscle biopsy is normal however, as the defect is not in the muscle but in the red blood cells that should clear lactate buildup from exercising muscles. [ 74 ] Although most muscular dystrophies have fixed muscle weakness rather than exercise-induced muscle fatigue and/or cramping, there are a few exceptions.
The blood glucose level is maintained within well-defined limits in part due to precise regulation of PEPCK gene expression. To emphasize the importance of PEPCK in glucose homeostasis, over expression of this enzyme in mice results in symptoms of type II diabetes mellitus, by far the most common
Type 2 diabetes makes up about 90% of cases of diabetes, with the other 10% due primarily to type 1 diabetes and gestational diabetes. [1] In type 1 diabetes, there is a lower total level of insulin to control blood glucose, due to an autoimmune -induced loss of insulin-producing beta cells in the pancreas .
Symptoms and effects can be mild, moderate or severe, depending on how low the glucose falls and a variety of other factors. It is rare but possible for diabetic hypoglycemia to result in brain damage or death. Indeed, an estimated 2–4% of deaths of people with type 1 diabetes mellitus have been attributed to hypoglycemia. [2] [3]
Their condition is then labeled "ketosis-prone type 2 diabetes". [3] [22] Drugs in the gliflozin class (SGLT2 inhibitors), which are generally used for type 2 diabetes, have been associated with cases of diabetic ketoacidosis where the blood sugars may not be significantly elevated ("euglycemic DKA"). [23]
Later in 1998, Yuan-Tsong Chen and colleagues at Duke University, using the enzyme produced in Chinese hamster ovary (CHO) cells demonstrated for the first time that the enzyme can clear the glycogen and improve muscle function in Pompe disease quail. The results of the work at Duke were impressive with one treated bird recovering to the point ...