Abstract
In a search for nuclear parameters which may predict chemosensitivity of ductal adenocarcinoma of the pancreas, the growth of four xenografted pancreatic carcinomas in response to chemotherapeutic agents was correlated with histological and cytological features of tumour differentiation. Histologically, the tumours were classified according to their ability to form glands into poorly (PaTu-2, PaTu-3), moderately (Panc-1) and well differentiated (PaTu-39) ductal adenocarcinomas. Cytologically, similar segregation of tumours was possible using the ‘nuclear form factor’, which was one of four nuclear parameters analysed by image cytometry on Feulgen stained tumour imprints. Histological and cytological differentiation correlated closely with tumour growth. One week after a single intraperitoneal injection of either vinblastine or 5-fluorouracil, both drugs inhibited the growth of PaTu-2 and PaTu-3 significantly. The growth of Panc-1 was only affected by vinblastine, while neither drug had an effect on PaTu-39. The results suggest that the response of pancreatic ductal adenocarcinoma to chemotherapeutic drugs may be, to some extent, predicted by histological and cytological differentiation features. However, within these lines, each tumour may show a specific response pattern.
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Vergeylen, A., Klöppel, G. Vinblastine and 5-fluorouracil sensitivity of xenografts of four pancreatic ductal adenocarcinomas: is there a correlation with histological and cytological tumour differentiation?. Vichows Archiv A Pathol Anat 427, 317–322 (1995). https://doi.org/10.1007/BF00203401
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DOI: https://doi.org/10.1007/BF00203401