Las enzimopatias del metabolismo glucolitico alteran la capacidad energética del eritrocito, dificultando la formación o utilización del ATP. Anemia hemolítica causada por la deficiencia de piruvato quinasa En otros casos descritos en perros de la raza WHWT con esta deficiencia, existen relatos . RESUMEN La deficiencia de piruvato quinasa (PK) es un desorden En otros casos descritos en perros de la raza WHWT con esta deficiencia, existen relatos .

Author: Kazrakora Jujin
Country: Niger
Language: English (Spanish)
Genre: Literature
Published (Last): 5 April 2007
Pages: 23
PDF File Size: 16.87 Mb
ePub File Size: 11.55 Mb
ISBN: 996-5-32494-332-1
Downloads: 21324
Price: Free* [*Free Regsitration Required]
Uploader: Bragami

Modelos xeficiencia citos depende, al menos, de dos factores: Osteosclerosis be- deficiency, just like other hereditary disorders and genetic comes more evident as PK-deficient dogs age Chapman predispositions to disease, may occur commonly due to and GigerHarvey El hecho de que los valores de IDH dad de la enzima en las pruebas in vitro.

The amplified hematological analyses prior to referral to the VTH — segments were electrophoretically assessed for a 6 base UFRGS were performed in private clinics.

Piruvato quinase

The patient of this report was too debilitated and could not be effectively transfused because of a broad blood incompatibility to prepare the dog safely for this the surgical intervention. Feline acute intermittent porphyria: J Feline Med Surg 9, In humans, splenectomy can reduce the degree of hemolysis in some patients, but PK-deficient Basenji dogs did quinsa improve clinically after surgery. Human Mutation7, Blood acterisation of an erytroid-specific en- 89, Unless a hemolytic crisis develops, transfusions are rarely needed in PK-deficient dogs and cats, as they adapt quite well and can live in good health as house pets, sometimes for years without treatment.

DNA polimerasa de Biotools. A massive reticulocytosis was confirmed on a New Methylene Blue-stained blood smear.

Картинки: Deficiencia de piruvato quinasa

Based upon the clinical signs and anemia a transfusion was deemed necessary. Human-liver type pyruvate-kinase com- DNA sequencing with chain ter- plete amino-acid sequence and the ex- minating inhibitors. Bio- Chemistry 33, An abdominal ultrasound examination revealed hepatosplenomegaly, and abdominal radiographs indicated mildly increased medullary bone opacity of the ischiatic bone. Biophys Res Commun El sobrenadante, que contiene de usado.

  CMR10 FONT PDF

Molecular basis of erythrocyte pyruvate kinase R-PK deficiency in cats. La veloci- Aunque el significado de los valores dad de transporte de la fructosa es mu- de la actividad encontrada bajo condi- cho mayor que la de la glucosa, por lo ciones in vitro, tienen validez por que aquella puede acumularse en el haber sido determinadas todas ellas interior del eritrocito. Mol Med 16, Piruvato quinasa bazo PK-M: Metionina, M inmaduras mRNA: A Study of Py- Elsevier J.

Inherited metabolic disease in companion animals: The splenomegaly seen in this case could be explained because the spleen is the major site of RBC destruction, and thus splenectomy may slow the premature elimination of PK-deficient RBCs. A highly regenerative anemia was first docu- revealed hepatosplenomegaly, and abdominal radiographs mented at 4 months of age, which persisted throughout indicated mildly increased medullary bone opacity of the life.

Journal of Biological activity in erythroid cells. Its plasma was incompatible against 10 donors in the major crossmatch autocontrols were negativesincluding a “universal donor” only DEA 4 positive and two relatives of the patient figure 2. In the case described here, the dog was severally anemic and symptomatic, and deficienica had been repeatedly transfused.

The low pyruvate kinase activity, found in patients harbouring mutations at the A and C domain, can be explained as these domains are essential for the enzyme activity. Summary and related texts. These problems led to the application of molecular biology tools, basically the amplification of the PK-R gene using PCR and the sequencing piruvaho the products obtained.

Vet Clin Pathol 35, The high erythrocytic content of 2,3-DPG facilitates the easy release of oxygen from hemoglobin by the lower hemoglobin-oxygen affinity, which in turn improves oxygen delivery and enhances tissue oxygenation, thereby ameliorating the clinical signs of the severe anemia.

Red blood cell morphology is essentially normal. PK deficiency is diagnosed by measuring PK enzymatic activity.

Consecuencias de la deficiencia PK en eritrocito by Sofía Herrera on Prezi

PK deficiency is a hereditary disorder which has been studied by hematologists and geneticists for decades, in an attempt to better understand its disease process and prevalence, and in order to reach more reliable diagnosis and develop better therapeutics for affected patients. The increased 2,3-DPG levels ameliorate piryvato anemia by lowering the oxygen-affinity of hemoglobin.

  ATEN CL5800 PDF

El algunos casos, claramente disminuidos defecto aparece en todo tipo de pobla- respecto a los normales. The Piduvato with a polymerase chain reaction. USA 90, Churchill Livingstone. Regenerative anemias caused by blood loss or hemolysis. It is important that hereditary RBC defects, such as PK deficiency, are being considered in cases of hemolytic anemias. En particular, este splicing.

Deficiencia de piruvato quinasa — Поиск по картинкам — [RED]

The present work was performed on 10 PK deficient patients familly- unrelated. Unfortunately, the dog became incompatible even to a “universal donor” and its littermates, and thus must have developed an alloantibody against a yet to be identified common red cell antigen. Indeed, this likely explains why most PK-deficient dogs can cope so well, despite a persistently severe anemia Chapman and GigerGiger and NobleGiger Hemolytic ane- transplantation in a child with red blood mias and erytrocyte enzymopathies.

A labo- dfficiencia MacGraw Hill. This case report describes the clinical course, laboratory alterations, molecular diagnosis, and management of the first PK-deficient Brazilian WHWT dog, suggesting the potential worldwide distribution of this disorder and that it possibly goes by under-diagnosed.

The metabolic basis Uenaka R. Low dose glucocorticosteroid therapy may reduce RBC destruction and thereby ameliorate anemia. However, the anemia did not improve, and the animal’s overall condition deteriorated to the point where the owners elected euthanasia.

Radiographs from ring alloantibodies, they can develop antibodies against this WHWT terrier described here revealed only a mildly blood groups and a common red cell antigen following decreased bone radiopacity of the pelvic bones, probably transfusion, as deficiecnia in this case.