Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0039730 (thalassemia)
 10,305 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Anemia is a common complication in malarial infection, although the consequences are more pronounced with Plasmodium falciparum malaria (Ghosh, Indian J Hematol Blood Tranfus 21(53):128-130, 2003). Anemia in this infection is caused by a variety of pathophysiologic mechanisms, and in areas where malaria infection is endemic, co-morbidities like other parasitic infestations, iron, folate and Vitamin B12 deficiency, deficiency of other nutrients, and anemia, which is aggravated by anti-malarial drugs both through immune and non-immune mechanisms, are important considerations. In different endemic areas, beta-thalassemia, alpha-thalassemia, Hb S, Hb E, G6PD deficiency, or ovalocytosis in different proportions interact with this infection. Finally, aberrant immune response to repeated or chronic falciparum malarial infection may produce tropical splenomegaly syndrome, a proportion of which show clonal proliferation of B lymphocytes. Cooperation between chronic malarial infection and infection with E-B virus infection in producing Burkitt's lymphoma is well known. In this review, the fascinating and multifaceted pathophysiolgoy of malarial anemia has been discussed.
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PMID:Pathogenesis of anemia in malaria: a concise review. 1787 26

This study reports on a 65-year-old female patient with controlled comorbidity, who was diagnosed with gastrointestinal stromal tumours following regular monitoring of renal cysts. After the surgical treatment, coadjuvant treatment with imatinib was initiated. After a few months, the patient complained of angor and asthenia and the diagnosis of anaemic syndrome was made on the basis of blood test results. We studied the causes of the anaemia (maturation factors and other causes of secondary anaemia) and it led to the diagnosis of vitamin B12 deficiency. Treatment with vitamin B12 supplementation was initiated. With the correction of the vitamin levels with supplementation, the symptoms improved. Thalassaemia led to the misdiagnosis of vitamin B12 deficiency because of the lower mean corpuscular volume levels.
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PMID:Intervention in gastrointestinal stromal tumour with a high risk of malignancy and associated with thalassaemia minor. 2261 4

Hemolytic anemias consist of corpuscular, immun-hemolytic and toxic hemolytic anemias. Within the group of corpuscular hemolytic anemias, except for the paroxysmal nocturnal hemoglobinuria (PNH), all symptoms are caused by underlying heredetiary disorders within the red blood cell membran (hereditary spherocytosis), deficiencies of red cell enzymes (G6PDH- and pyrovatkinase deficiency) or disorders in the hemoglobin molecule (thalassaemia and sickle cell disease). Immune-hemolytic anemias are acquired hemolytic anemias and hemolysis is caused by auto- or allo-antibodies which are directed against red blood cell antigens. They are classified as warm, cold, mixed type or drug-induced hemolytic anemia. Therapy consists of glucocorticoids and other immunsuppressive drugs. Pernicious anemia is the most important vitamin B12 deficiency disorder. Diagnosis relies on cobalamin deficiency and antibodies to intrinsic factor. The management should focus on a possibly life-long replacement treatment with cobalamin.
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PMID:[Hemolytic anemias and vitamin B12 deficieny]. 2630 21


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