Journal of Okayama Medical Association
Published by Okayama Medical Association

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急性白血病における血漿cyclic nucleotides動態に関する研究

野中 研一 岡山大学医学部第二内科学教室
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抄録
Plasma levels of cyclic nucleotides were measured in 71 patients with acute leukemia [50 patients with acute nonlymphocytic leukemia (ANLL), five patients with hypoplastic leuke-mia, and 16 patients with acute lymphocytic leukemia (ALL)], five patients with myelodysplas-tic syndrome (MDS), and 47 healthy volunteers. The cyclic GMP (c-GMP) level, cyclic AMP (c-AMP) level, and c-AMP/c-GMP ratio in healthy volunteers were 15.74±5.10 pmol/ml, 3.20±1.15 pmol/ml and 5.39±2.18, respectively. In the patients with untreated acute leukemia other than hypoplastic leukemia, c-GMP levels were significantly elevated (ANLL : 11.31±13.61 pmol/ml ; ALL : 10.66±7.23 pmol/ml) and c-AMP/c-GMP ratios were significantly reduced (ANLL : 2.01±1.03 ; ALl : 1.66±1.03). These values normalized at remission, than increased or decreased again with recurrence of the disease. Although patients with MDS showed normal c-GMP levels or c-AMP/c-GMP rations, these values were increased or decreased when progression to acute leukemia occurred. There was correlation between c-GMP levels and peripheral leukocyte counts (r=0.429,p<0.05), plasma c-GMP levels and peripheral leukemic cell counts (r=0.412,p<0.05), c-AMP/c-GMP rations and peripheral leukocyte counts (r=-0.577,p<0.05), c-AMP/c-GMP rations and periph-eral leukemic cell counts (r=-0.512,p<0.05), and c-AMP/c-GMP rations and periph-eral leukemic cell counts (r=-0.512,p<0.05), and c-AMP/c-GMP rations and maximum counts of colonies derived from leukemic blast progenitors (r=-0.996,p<0.01). Since plasma levls of cyclic nucleotides reflect the leukemic cell proliferation, measurement of these nucleotides was considered useful for monitoring leukemic cell volume.
キーワード
血漿 cyclic nucleotides
急性白血病
低形成型白血病
備考
原著
ISSN
0030-1558
NCID
AN00032489