| 摘要 |
NEW MATERIAL:A T-cell synthesis suppressing substance effective to suppress the DNA synthesis of T-cell. Elemental analysis, contains C, H, O, N and S; molecular weight, a peptide having a molecular weight of about 1,000 Dalton; thermal stability, stable at 56 deg.C for 1hr and 110 deg.C for 30min; nature, weakly basic; pH stability, stable at 4.0-9.5pH; ultraviolet absorption spectrum, absorption peak at 220nm; color reaction, positive to ninhydrin reaction; solubility, easily soluble in water, methanol and ethanol; color, colorless when dissolved in the above solvents. USE:Remedy for autoimmune diseases. Low side effects such as hypoadrenalism, leucopenia, etc. Applicable also as an antibacterial substance against Gram-negative bacteria. PREPARATION:The compound can be collected from mammal serum or the body fluid or cultured cell of insects such as silkworm moth, saturniid, flesh fly, honey-bee, etc. |
