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Pathogenesis and clinical management of liver damage in porphyrias: Mechanisms and therapeutic approaches. [PDF]
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Disease-a-Month, 1989
The porphyrias are metabolic disorders in which there are excessive accumulation and excretion of porphyrins and porphyrin precursors. Each of the porphyrias has a specific enzyme defect in the pathway of heme biosynthesis that explains the pattern of biochemical abnormalities that occur.
J R, Bloomer, H L, Bonkovsky
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The porphyrias are metabolic disorders in which there are excessive accumulation and excretion of porphyrins and porphyrin precursors. Each of the porphyrias has a specific enzyme defect in the pathway of heme biosynthesis that explains the pattern of biochemical abnormalities that occur.
J R, Bloomer, H L, Bonkovsky
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The Lancet, 2010
Hereditary porphyrias are a group of eight metabolic disorders of the haem biosynthesis pathway that are characterised by acute neurovisceral symptoms, skin lesions, or both. Every porphyria is caused by abnormal function of a separate enzymatic step, resulting in a specific accumulation of haem precursors.
Hervé, Puy +2 more
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Hereditary porphyrias are a group of eight metabolic disorders of the haem biosynthesis pathway that are characterised by acute neurovisceral symptoms, skin lesions, or both. Every porphyria is caused by abnormal function of a separate enzymatic step, resulting in a specific accumulation of haem precursors.
Hervé, Puy +2 more
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Dermatologic Clinics, 1993
The vesiculobullous porphyrias are a group of blistering diseases with systemic as well as cutaneous manifestations ranging from mild to disabling, secondary to endogenous photosensitizing porphyrins. The characteristic patterns of porphyrin accumulation in erythrocytes, plasma, urine, and feces are invaluable for differentiating the vesiculobullous ...
T, Meola, H W, Lim
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The vesiculobullous porphyrias are a group of blistering diseases with systemic as well as cutaneous manifestations ranging from mild to disabling, secondary to endogenous photosensitizing porphyrins. The characteristic patterns of porphyrin accumulation in erythrocytes, plasma, urine, and feces are invaluable for differentiating the vesiculobullous ...
T, Meola, H W, Lim
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Blood Reviews, 1990
The porphyrias are a group of metabolic disorders arising from defects in the haem biosynthetic pathway. Most forms are inherited as Mendelian autosomal dominant characters, but some are recessive and others acquired. There is a linked group of diseases, which are not porphyrias, but have in common alterations of haem biosynthesis.
M R, Moore +3 more
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The porphyrias are a group of metabolic disorders arising from defects in the haem biosynthetic pathway. Most forms are inherited as Mendelian autosomal dominant characters, but some are recessive and others acquired. There is a linked group of diseases, which are not porphyrias, but have in common alterations of haem biosynthesis.
M R, Moore +3 more
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Emergency Medicine Clinics of North America, 2005
The porphyrias are a group of disorders involving enzymatic defects in heme synthesis. The porphyrias classically manifest neuro-visceral or photocutaneous symptoms based on which enzyme in the heme metabolic pathway is deficient. Although rare, the porphyrias would most likely be encountered in the emergency department in patients presenting with ...
Teague A, Dombeck, Robert C, Satonik
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The porphyrias are a group of disorders involving enzymatic defects in heme synthesis. The porphyrias classically manifest neuro-visceral or photocutaneous symptoms based on which enzyme in the heme metabolic pathway is deficient. Although rare, the porphyrias would most likely be encountered in the emergency department in patients presenting with ...
Teague A, Dombeck, Robert C, Satonik
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Seminars in Liver Disease, 1998
ALAD porphyria is an autosomal recessive disorder resulting from a homozygous aminolevulinic acid dehydratase (ALAD) deficiency. Because of an almost complete lack of ALAD activity, patients excrete a large amount of ALA, but not PBG, into urine. The symptoms in this disease are similar to those seen in AIP, but ALAD porphyria can be differentiated ...
Shigeru Sassa, S Sassa
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ALAD porphyria is an autosomal recessive disorder resulting from a homozygous aminolevulinic acid dehydratase (ALAD) deficiency. Because of an almost complete lack of ALAD activity, patients excrete a large amount of ALA, but not PBG, into urine. The symptoms in this disease are similar to those seen in AIP, but ALAD porphyria can be differentiated ...
Shigeru Sassa, S Sassa
exaly +3 more sources
Current Treatment Options in Gastroenterology, 2000
The porphyrias are a diverse group of metabolic diseases. Major manifestations are episodic neurovisceral attacks of pain or other neurologic features, and/or dermatologic abnormalities. It is essential that a clear diagnosis be established prior to planning management.
, Bonkovsky, , Barnard
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The porphyrias are a diverse group of metabolic diseases. Major manifestations are episodic neurovisceral attacks of pain or other neurologic features, and/or dermatologic abnormalities. It is essential that a clear diagnosis be established prior to planning management.
, Bonkovsky, , Barnard
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Journal of Clinical Gastroenterology, 1998
The porphyrias are a heterogeneous group of metabolic disorders caused by genetic defects of the enzymes involved in heme biosynthesis. The diseases are characterized by excessive accumulation and excretion of porphyrin or porphyrin precursors. The disorders have been classified as cutaneous, hepatic, or neuropsychiatric according to the organ system ...
Y V, Scarlett, D A, Brenner
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The porphyrias are a heterogeneous group of metabolic disorders caused by genetic defects of the enzymes involved in heme biosynthesis. The diseases are characterized by excessive accumulation and excretion of porphyrin or porphyrin precursors. The disorders have been classified as cutaneous, hepatic, or neuropsychiatric according to the organ system ...
Y V, Scarlett, D A, Brenner
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