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Homocystinuria is the second most common cause of heritable ectopia lentis. Homocystinuria is an autosomal recessive metabolic disorder most often caused by a near absence of cystathionine b-synthetase. It is associated with intellectual disability, osteoporosis, chest deformities, and increased risk of thrombotic episodes.
Homocystinuria (HCU) [2] is an inherited disorder of the metabolism of the amino acid methionine due to a deficiency of cystathionine beta synthase or methionine synthase. [3] It is an inherited autosomal recessive trait , which means a child needs to inherit a copy of the defective gene from both parents to be affected.
The common MTHFR deficiencies are usually asymptomatic, although the 677T variant can cause a mildly increased risk of some diseases. [citation needed]For individuals homozygous in the 677T variant, there is a mildly elevated risk of thromboembolism (odds ratio 1.2), [4] and stroke (odds ratio 1.26). [5]
Methylmalonic acidemia has an autosomal recessive pattern of inheritance.. Methylmalonic acidemias have an autosomal recessive inheritance pattern, which means the defective gene is located on an autosome, and two copies of the gene—one from each parent—must be inherited to be affected by the disorder.
Signs and symptoms [ edit ] Because of the enormous number of these diseases and the numerous systems negatively impacted, nearly every "presenting complaint" to a healthcare provider may have a congenital metabolic disease as a possible cause, especially in childhood and adolescence.
The Mayo Clinic diet, a program that adheres to this notion, was developed by medical professionals based on scientific research, so you can trust that this program is based on science, and not ...
Maple syrup urine disease can be classified by its pattern of signs and symptoms or by its genetic cause. The most common and severe form of this disease is the classic type, which appears soon after birth, and as long as it remains untreated, gives rise to progressive and unremitting symptoms.
Although signs and symptoms are rare, there are some directly and indirectly associated with cystinuria. These sign and symptoms consist of 1) hematuria- blood in the urine, 2) flank pain – pain in the side due to kidney pain, 3) renal colic – intense, cramping pain due to stones in the urinary tract, 4) obstructive uropathy- urinary tract ...