Reduzierung der Histaminwirkung durch onkolytisch und nicht onkolytisch wirksame Clostridienstämme

Josef Richard Möse , Marianne Moser, Gerald Fischer
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引用次数: 1

Abstract

Spores and vegetative forms of oncolytically active and oncolytically non-active clostridial strains were tested for histamine reducing activity (isolated ileum of guinea pig used for testing, waterbath method acc. to Magnus, Fig. 1).

Culture media and the washed intact material did not show any or only very little effectiveness. On the other hand the fractionated, charges diminished histamine standard solutions except for very little remaining activity in the case of all strains. This effect was stronger in vegetative forms than in spores (Fig. 2).

The histamine effect on the isolated organ was generally increased by means of culture media as well as by the washed intact material. In this respect, preparations of non-lytic strains showed a slightly higher effectiveness than preparations of lytic clostridial strains (Fig. 2).

It was shown in earlier investigations (cf. bibliography) that the charges of clostridial strains decompose plasmakinin (synthetic bradykinin) at varying rates.

Reduction of histamine activity by means of clostridia could lead to a decrease of the microcirculation and capillary-permeability in the tumor tissue (as hypothesized for brady-kinin) and thereby favour its disintegration.

减少组胺激素的激素分泌
对溶瘤活性和非溶瘤活性梭菌孢子和营养形态的组胺还原活性进行了测定(实验用豚鼠离体回肠,水浴法acc)。对于Magnus,图1)。培养基和洗净的完整材料没有显示出任何或只有很少的效果。另一方面,除了在所有菌株的情况下几乎没有剩余活性外,分馏,电荷减少了组胺标准溶液。这种作用在营养形态中比在孢子中更强(图2)。组胺对分离器官的作用通常通过培养基和洗涤完好的材料来增强。在这方面,非裂解菌株的制备比裂解梭菌菌株的制备稍高(图2)。在早期的研究中(参考文献)表明,梭菌菌株的电荷以不同的速率分解血浆造素(合成缓激肽)。通过梭状芽胞杆菌降低组胺活性可能导致肿瘤组织微循环和毛细血管通透性的降低(如对慢激肽的假设),从而有利于其分解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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