I've looked it up in medical dictionary's, but I don't realize what it technique. So. can someone speak about me surrounded by dummies language what it mechanism?
Answers:
I pasture thru closely of materials on this interesting disease.and this is a synopsis in simple vocabulary: Medical dictionary and Wikipedia are not so reliable sources. Try yahoo Search.
Porphyria
Definition:
Porphyrias are a infrequent group of disorders passed down through family; (inherited autosommal recessive disorder) where an key quantity of hemoglobin, call heme, does not develop properly. Heme is an impt factor of hemoglobin- the molecule that carry the oxygen surrounded by the blood. Heme is found surrounded by the liver, blood,and bone marrow. Heme is also found surrounded by myoglobulins, proteins in constant muscles.
Alternative name
Acute intermittent porphyria; Hereditary coproporphyria; Congenital erythropoietic porphyria; Erythropoietic protoporphyria
Causes, incidence, and risk factor
Normally, the body breaks down chemicals, call porphyrins, into heme. The porphyrins head off the body through urine ; bile, stools and skin. But those beside porphyria own a genetic defect( gene mutation- enzyme lesser amount ) that interrupts this process. As a result, porphyrins build up in the body. - collect contained by bone marrow, liver, skin, or other tissues and produce toxicities. These precursors may appear in excess in the blood; urine, bile and stools. This can organize to rash ( photodermatitis), lighting sensitivity, abdominal discomfort, and other symptoms
Types of Porphyria
The leading types of porphyria are respectively cause by mutations contained by one of the genes required for heme production. Forms of porphyria include ALAD less porphyria, acute intermittent porphyria, congenital erythropoietic porphyria, erythropoietic protoporphyria, hepatoerythropoietic porphyria, inherent coproporphyria, porphyria cutanea tarda, and variegate porphyria.
In rider to the genetic forms of porphyria, some cases of this disorder are cause by nongenetic factor such as infections or exposure to solid prescription drugs. These cases are described as sporadic or acquire porphyria.
The signs and symptoms of porphyria come and go among the types. Some types of porphyria (called porphyrias cutaneous tarda is the most adjectives and not inherited) end in the skin to become overly sensitive to sunlight. Areas of the skin exposed to the sun are fragile and well dilapidated. Exposed skin may develop blush, blistering, infections, scarring, change contained by pigmentation, and increased tresses growth. Cutaneous tarda porphyrias include congenital erythropoietic porphyria, erythropoietic protoporphyria, hepatoerythropoietic porphyria, and porphyria cutanea tarda.
Other types of porphyria (called acute porphyrias) mostly affect the scared system. Appearing at full tilt and persistent from days to weeks, acute signs and symptoms include abdominal dull pain, vomiting, constipation, and diarrhea. During an attack, a party may also experience muscle shabbiness, seizure, severe electrolyte lack of correspondence, low blood pressure and shock; confusion, loss of sensation, and mental change such as anxiety and hallucination. These symptoms can be life-threatening in bloody cases, especially if the muscles that control breathing become paralyzed. Acute porphyrias include acute intermittent porphyria and ALAD negative amount porphyria. Two other forms of porphyria, heritable coproporphyria and variegate porphyria, enjoy a combination of acute symptoms and symptoms that affect the skin.
Additional medical problems associated next to some types of
porphyria include a low number of red blood cell (anemia), expansion of the spleen, atypical liver function, and an increased risk of developing liver cancer.
Some population beside the genetic change that incentive porphyria, extremely the acute forms of porphyria, never experience any features of this condition.
Environmental factor can strongly influence the fact and severity of signs and symptoms surrounded by some types of porphyria. Alcohol, smoking, guaranteed drugs, hormones, such as estrogen exposure to sunlight, other illnesses, infections ,stress, and dieting or period minus food (fasting) can adjectives trigger the signs and symptoms of these attacks.
Porphyrias result from genetic deficiency of enzymes of the heme biosynthetic pathway. These deficiency allow heme precursors to build up, cause toxicity. Porphyrias are defined by the specific enzyme defect. Two key clinical manifestation go on: neurovisceral abnormality (generally the acute porphyrias) and cutaneous photosensitivity (generally the cutaneous porphyrias).
Etiology and Pathophysiology
Porphyrias result from a defect of any of the ultimate 7 enzymes of the heme biosynthetic pathway (deficiency of the 1st enzyme surrounded by the pathway, δ-aminolevulinic tart [ALA] synthase, cause sideroblastic anemia).
Pathophysiology, gene mutation can be found within the site below:
:
http://ghr.nlm.nih.gov/condition=porphyr...
Another connection worth mentioning is the the site below which list adjectives symptoms,
http://www.nlm.nih.gov/medlineplus/ency/...
Simply put, porphyria is a autosommal recessive disorder usually adjectives wherein the defect of unquestionable enzyme prevents the synthesis or conversion of porphyrins into hemoglobin. producing toxicites. Porphyrins are complex molecules in the body that combine next to iron to produce heme, which is responsible for giving blood its red color and combines beside globin to form hemoglobin. Besides deliver oxygen through the body’s circulatory system, heme is critical within metabolism and human physiology.
Porphyria is a genetic disease explicitly cause by an enzyme lesser amount within heme production. Heme is synthesized from smaller molecules through several enzyme-catalyzed steps surrounded by a biochemical pathway. An enzyme fewer surrounded by any of these steps inhibits heme production, cause porphyrins to accrue and clog the pathway. The elevated horizontal of porphyrins is responsible for the physical symptoms, such as port-colored urine, sensitivity to sunlight, and the mental instability that sometimes accompany this disease. Attacks go off when porphyrins become elevated, depending on the patient’s tolerance. Alcohol, smoking, or prescription drugs that produce the body to respond by accumulate porphyrins can precipitate attacks.
http://en.wikipedia.org/wiki/porphyria...
this should back
basically what i get from reading be it is a necessarily when your doesnt put together a constant substance the right bearing and near fore it cause indubitable symptoms depending on what section of the body it effects...
Porphyrias are a group of genetic disorders cause by problems near how your body make a substance call heme. Heme is found throughout the body, especially contained by your blood and bone marrow, where on earth it carry oxygen.
Porphyrias affect the skin or the edgy system. People beside the skin type develop blisters, itching, and swelling of their skin when it is exposed to sunlight. The jittery system type is call acute porphyria. Symptoms include strain within the chest or belly, vomiting, and diarrhea or constipation. During an attack, symptoms can include muscle numbness, tingling, paralysis, cramping, and self-worth or mental change. Certain triggers can motivation an attack, including some medicine, smoking, drinking alcohol, infections, stress and sun exposure. Attacks develop over hours or days. They can concluding for days or weeks.
Porphyria can be rugged to diagnose. It requires blood, urine and stool test. Each type have a different treatment. It usually involves tablets, treatment next to heme or drawing blood.
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HIV trial but no symptom !!?
Answers:
I pasture thru closely of materials on this interesting disease.and this is a synopsis in simple vocabulary: Medical dictionary and Wikipedia are not so reliable sources. Try yahoo Search.
Porphyria
Definition:
Porphyrias are a infrequent group of disorders passed down through family; (inherited autosommal recessive disorder) where an key quantity of hemoglobin, call heme, does not develop properly. Heme is an impt factor of hemoglobin- the molecule that carry the oxygen surrounded by the blood. Heme is found surrounded by the liver, blood,and bone marrow. Heme is also found surrounded by myoglobulins, proteins in constant muscles.
Alternative name
Acute intermittent porphyria; Hereditary coproporphyria; Congenital erythropoietic porphyria; Erythropoietic protoporphyria
Causes, incidence, and risk factor
Normally, the body breaks down chemicals, call porphyrins, into heme. The porphyrins head off the body through urine ; bile, stools and skin. But those beside porphyria own a genetic defect( gene mutation- enzyme lesser amount ) that interrupts this process. As a result, porphyrins build up in the body. - collect contained by bone marrow, liver, skin, or other tissues and produce toxicities. These precursors may appear in excess in the blood; urine, bile and stools. This can organize to rash ( photodermatitis), lighting sensitivity, abdominal discomfort, and other symptoms
Types of Porphyria
The leading types of porphyria are respectively cause by mutations contained by one of the genes required for heme production. Forms of porphyria include ALAD less porphyria, acute intermittent porphyria, congenital erythropoietic porphyria, erythropoietic protoporphyria, hepatoerythropoietic porphyria, inherent coproporphyria, porphyria cutanea tarda, and variegate porphyria.
In rider to the genetic forms of porphyria, some cases of this disorder are cause by nongenetic factor such as infections or exposure to solid prescription drugs. These cases are described as sporadic or acquire porphyria.
The signs and symptoms of porphyria come and go among the types. Some types of porphyria (called porphyrias cutaneous tarda is the most adjectives and not inherited) end in the skin to become overly sensitive to sunlight. Areas of the skin exposed to the sun are fragile and well dilapidated. Exposed skin may develop blush, blistering, infections, scarring, change contained by pigmentation, and increased tresses growth. Cutaneous tarda porphyrias include congenital erythropoietic porphyria, erythropoietic protoporphyria, hepatoerythropoietic porphyria, and porphyria cutanea tarda.
Other types of porphyria (called acute porphyrias) mostly affect the scared system. Appearing at full tilt and persistent from days to weeks, acute signs and symptoms include abdominal dull pain, vomiting, constipation, and diarrhea. During an attack, a party may also experience muscle shabbiness, seizure, severe electrolyte lack of correspondence, low blood pressure and shock; confusion, loss of sensation, and mental change such as anxiety and hallucination. These symptoms can be life-threatening in bloody cases, especially if the muscles that control breathing become paralyzed. Acute porphyrias include acute intermittent porphyria and ALAD negative amount porphyria. Two other forms of porphyria, heritable coproporphyria and variegate porphyria, enjoy a combination of acute symptoms and symptoms that affect the skin.
Additional medical problems associated next to some types of
porphyria include a low number of red blood cell (anemia), expansion of the spleen, atypical liver function, and an increased risk of developing liver cancer.
Some population beside the genetic change that incentive porphyria, extremely the acute forms of porphyria, never experience any features of this condition.
Environmental factor can strongly influence the fact and severity of signs and symptoms surrounded by some types of porphyria. Alcohol, smoking, guaranteed drugs, hormones, such as estrogen exposure to sunlight, other illnesses, infections ,stress, and dieting or period minus food (fasting) can adjectives trigger the signs and symptoms of these attacks.
Porphyrias result from genetic deficiency of enzymes of the heme biosynthetic pathway. These deficiency allow heme precursors to build up, cause toxicity. Porphyrias are defined by the specific enzyme defect. Two key clinical manifestation go on: neurovisceral abnormality (generally the acute porphyrias) and cutaneous photosensitivity (generally the cutaneous porphyrias).
Etiology and Pathophysiology
Porphyrias result from a defect of any of the ultimate 7 enzymes of the heme biosynthetic pathway (deficiency of the 1st enzyme surrounded by the pathway, δ-aminolevulinic tart [ALA] synthase, cause sideroblastic anemia).
Pathophysiology, gene mutation can be found within the site below:
:
http://ghr.nlm.nih.gov/condition=porphyr...
Another connection worth mentioning is the the site below which list adjectives symptoms,
http://www.nlm.nih.gov/medlineplus/ency/...
Simply put, porphyria is a autosommal recessive disorder usually adjectives wherein the defect of unquestionable enzyme prevents the synthesis or conversion of porphyrins into hemoglobin. producing toxicites. Porphyrins are complex molecules in the body that combine next to iron to produce heme, which is responsible for giving blood its red color and combines beside globin to form hemoglobin. Besides deliver oxygen through the body’s circulatory system, heme is critical within metabolism and human physiology.
Porphyria is a genetic disease explicitly cause by an enzyme lesser amount within heme production. Heme is synthesized from smaller molecules through several enzyme-catalyzed steps surrounded by a biochemical pathway. An enzyme fewer surrounded by any of these steps inhibits heme production, cause porphyrins to accrue and clog the pathway. The elevated horizontal of porphyrins is responsible for the physical symptoms, such as port-colored urine, sensitivity to sunlight, and the mental instability that sometimes accompany this disease. Attacks go off when porphyrins become elevated, depending on the patient’s tolerance. Alcohol, smoking, or prescription drugs that produce the body to respond by accumulate porphyrins can precipitate attacks.
http://en.wikipedia.org/wiki/porphyria...
this should back
basically what i get from reading be it is a necessarily when your doesnt put together a constant substance the right bearing and near fore it cause indubitable symptoms depending on what section of the body it effects...
Porphyrias are a group of genetic disorders cause by problems near how your body make a substance call heme. Heme is found throughout the body, especially contained by your blood and bone marrow, where on earth it carry oxygen.
Porphyrias affect the skin or the edgy system. People beside the skin type develop blisters, itching, and swelling of their skin when it is exposed to sunlight. The jittery system type is call acute porphyria. Symptoms include strain within the chest or belly, vomiting, and diarrhea or constipation. During an attack, symptoms can include muscle numbness, tingling, paralysis, cramping, and self-worth or mental change. Certain triggers can motivation an attack, including some medicine, smoking, drinking alcohol, infections, stress and sun exposure. Attacks develop over hours or days. They can concluding for days or weeks.
Porphyria can be rugged to diagnose. It requires blood, urine and stool test. Each type have a different treatment. It usually involves tablets, treatment next to heme or drawing blood.