…There are many causes of megaloblastic anemia, including hereditary abnormalities in the cell membrane, enzymes, or hemoglobin of red blood cells, acquired autoimmune hemolytic anemia caused by the production of antibodies against one's own red blood cells, and hemolytic disease of the newborn caused by Rh blood type incompatibility pregnancy. Megaloblastic anemia Vitamin B12 and folic acid are necessary for DNA synthesis. Therefore, a deficiency of these causes DNA synthesis disorders, and in turn, nuclear maturation disorders, which causes impaired production of hematopoietic cells, especially red blood cells, which divide and proliferate, resulting in anemia. … *Some of the terminology that mentions "megaloblastic anemia" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…遺伝性で赤血球の細胞膜,酵素ないしヘモグロビンの異常によるもの,後天性で自分の赤血球に対する抗体が生じて起こる自己免疫性溶血性貧血,Rh血液型不適合妊娠による新生児溶血性疾患など,多くの原因によるものがある。 巨赤芽球性貧血megaloblastic anemiaビタミンB12ないし葉酸はDNAの合成に必要である。したがって,これらの欠乏はDNA合成障害,ひいては核の成熟障害を起こし,分裂,増殖の盛んな造血細胞ことに赤血球は産生障害を起こして,貧血を生じる。… ※「megaloblastic anemia」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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