On the nature of Castle's hemopoietic factor.

作者: SHEILA T. CALLENDER , L. G. LAJTHA

DOI: 10.1182/BLOOD.V6.12.1234.1234

关键词: MegaloblastsInternal medicineCyanocobalaminChemistryEndocrinologyHaematopoiesisRipeningThermolabileIntrinsic factorVitamin B12Stomach

摘要: 1. Normal gastric juice (intrinsic factor) and vitamin B12 together form a thermolabile hemopoietic factor which ripens megaloblasts in vitro, both alone being inactive. 2. The normal serum vitro also appears to be thermolabile, heating 56 C. for 2 hours destroying some of its activity. 3. relationship these factors is discussed an extra-gastric as well source intrinsic postulated.

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