Lymphocyte 5'-nucleotidase deficiency in hypogammaglobulinemia: clinical characteristics.
نویسندگان
چکیده
منابع مشابه
Absence of lymphocyte ecto-5'-nucleotidase in infants with reticuloendotheliosis and eosinophilia (Omenn's syndrome).
Lymphocytes from three infants with reticuloendotheliosis and eosinophilia ( Omenn 's syndrome) and immunodeficiency were assayed for 5'-nucleotidase activity. B and T lymphocytes from all three patients were totally deficient in ecto-5'-nucleotidase activity, but had normal levels of cytoplasmic 5'-nucleotidase. In contrast, cultured lymphocytes expressed normal ectoplasmic and cytoplasmic act...
متن کاملDistribution of 5'-nucleotidase in human lymphoid tissues.
Low activity of 5'-nucleotidase (5'-ribonucleotide phosphohydrolase, EC 3.1.3.5) in T lymphoblasts may explain the marked sensitivity of this cell to deoxynucleotide accumulation when compared to B lymphoblasts. The relevance of such observations with cultured cells to the normal immune system requires the demonstration of similar differences in the 5'-nucleotidase activity of normal human lymp...
متن کاملThe clinical biochemistry of 5'-nucleotidase.
This review delineates the subcellular distribution, biochemical characteristics, and metabolic functions of 5'-nucleotidase (5'NT), summarizes the analytical biochemistry of 5'NT, and assesses the clinical significance of 5'NT determinations in body fluids, cells, and tissues. Salient aspects of the clinical biochemistry of 5'NT, discussed herein, are as follows: (A) Serum 5'NT activity is gen...
متن کاملAlteration in humoral immunity is common among family members of patients with common variable immunodeficiency.
BACKGROUND The prevalence of primary immunodeficiency (PID) in the relatives of patients with common variable immunodeficiency (CVID) and IgA deficiency is high. Allergic disorders have been recorded in patients with humoral immunodeficiency. We aimed to determine the frequency of humoral immunodeficiency and atopy in the relatives of patients with CVID. METHODS The study population comprised...
متن کاملImmunoglobulin deficiencies: the B-lymphocyte side of DiGeorge Syndrome.
DiGeorge syndrome is associated with a T-lymphocyte immunodeficiency. The prevalence of hypogammaglobulinemia has not been reported. We found that 3% of patients with DiGeorge syndrome were receiving immunoglobulin replacement therapy and 6% of patients over the age of 3 years had hypogammaglobulinemia. We conclude that DiGeorge syndrome is associated with significant humoral immune deficiency.
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عنوان ژورنال:
- Clinical immunology and immunopathology
دوره 17 1 شماره
صفحات -
تاریخ انتشار 1980