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OBJECTIVES Hemopoietic cytokines regulate hemopoietic cell functions via specific cell surface receptors. There is evidence to suggest, that those receptors (R) could play a role in leukemia with respect to cell differentiations and its regulation, prognosis, and pathobiology. Knowledge of individual cytokine receptor (CKR) profiles could provide new(More)
We analyzed 70 bone marrow (BM) samples from acute myeloid leukemia (AML) patients for 11q23 aberrations and reactivity with the monoclonal antibody NG2. NG2 reactivity correlated with FAB-M5 (50% positive cases, with an average of 32% NG2(+) cells), as well as with 11q23 aberrations. We detected NG2(+) cells in AML cases with normal karyotype, however, not(More)
In 80 wistar rats were investigated the prolonged action of Angiotensin II in a dosage of 0,05 mg/kg/die ip. appl. on macrostructures of brain. We tested the material 1-, 3-, 7-, 14- and 21 days after the first application. In correlation with duration of the Angiotensin II action a hydroencephalie was produced. This was marked by a lumen, so big as a(More)
There is evidence to suggest, that cellular adhesion molecules and receptors could play a role in leukemia, e.g., through altered adhesive qualities of leukemic blasts. We have studied the expression of the beta2-integrin Mac-1 (CD11b) on mononuclear cells in 48 patients with AML at first diagnosis by flow cytometry using a direct fluorescein-conjugated(More)
Urokinase-type plasminogen activator receptor (UPA-R; CD87) is a membrane protein responsible for plasmin expression on cells facilitating cellular extravasations and tissue invasions. We studied the expression of the UPA-R on bone marrow (BM) cells of 93 patients with acute myeloid leukemia at first diagnosis and 8 healthy probands as controls by FACS(More)
Newborn rats exposed to a mild chronic postnatal hypoxia always displayed at the age of 2-3 months an increased fractional efflux rate of dopamine (DA) from striatum slices combined with a decreased capacity for learning and retention. The protective effect of the administration of L-DOPA on these long-term changes was tested by the injection of L-DOPA 5-30(More)
The relations between a perinatal exposure schedule and the outcome of dopamine (DA) release from striatum slices on the one hand and behaviour on the other, were studied in order to identify the vulnerable period. A mild chronic postnatal hypoxia (2nd-10th day of life) induces long-term effects on the DA release rate (FER) from striatum slices. A 10 h(More)