Leukocyte migration inhibition by cancer patients' sera
- 15 September 1976
- journal article
- research article
- Published by Wiley in International Journal of Cancer
- Vol. 18 (3), 274-281
- https://doi.org/10.1002/ijc.2910180303
Abstract
Sera from 38 of 89 melanoma patients, 4 of 15 patients with other cancers and 3 of 43 control donors inhibited the migration of autologous leukocytes. Sera from patients with clinically detectable metastatic disease and from the recipients of BCG were most frequently inhibitory. Autologous sera from 31 of 71 melanoma patients and 3 of 31 control donors increased the leukocyte migration inhibition induced by formalinized melanoma cells. This activity occurred in sera from patients at all stages of malignancy, whether bearing detectable tumour or not and whether receiving BCG or not. Abrogation of tumour‐cell‐induced leukocyte migration inhibition by serum was less frequent, occurring with 8 of 71 melanoma patients (6 Stage III, 1 Stage I and 1 Stage II) and no control sera. Preincubation of formalinized tumour cells had no effect on their activity in the leukocyte migration assay but the preincubation of melanoma leukocytes with either autologous serum or foetal calf serum inhibited leukocyte reactivity in around 50% of tests. However, this was also seen with control leukocytes and the effect appears to be immunologically non‐specific. Inhibition De La Migration Des Leucocytes Par Des Sérums De Sujets Cancéreux Le sérum de 38 des 89 malades atteints de mélanome, de 4 des 15 sujets atteints d'autres cancers et de 3 des 43 témoins a inhibé la migration des leucocytes autologues. Le sérum des malades atteints de cancer métastatique cliniquement décelable et des receveurs de BCG avait très fréquemment cet effet inhibiteur. Le sérum autologue de 31 des 71 malades atteints de mélanome et de 3 des 31 témoins accroissait l'inhibition de la migration des leucocytes induite par les cellules de mélanome formolées. Cette activité a été observée dans le sérum des malades à tous les stades de l'évolution maligne, qu'ils portent ou non une tumeur décelable et qu'ils reçoivent ou non du BCG. Il est moins fréquent que le sérum supprime l'inhibition de la migration des leucocytes induite par les cellules tumorales, puisque cet effet n'a été observé que dans 8 des 71 cas de mélanome (6 au stade III, 1 au stade I et 1 au stade II) et dans aucun des sérums des témoins. La pré‐incubation de cellules tumorales formolées n'a pas d'effet sur leur activité dans l'épreuve de migration des leucocytes, mais la pré‐incubation des leucocytes de malades atteints de mélanome avec du sérum autologue ou du sérum de fœtus de veau inhibe la réactivité des leucocytes dans environ 50% des tests. Toutefois, ce phénomène apparaǐt aussi avec les leucocytes des témoins et semble immunologiquement non‐spécifique.This publication has 21 references indexed in Scilit:
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