Axel Niendorf

Learn More
BACKGROUND Current methods of disease staging often fail to detect small numbers of tumor cells in lymph nodes. Metastatic relapse may arise from these few cells. METHODS We studied 1308 lymph nodes from 68 patients with esophageal cancer without overt metastases who had undergone radical en bloc esophagectomy. A total of 399 lymph nodes obtained from 68(More)
The aim of this study was to investigate the cellular and biochemical events associated with repeated exposures to ozone. Twenty-three healthy subjects underwent single exposures to 200 ppb ozone and to filtered air (FA), as well as repeated exposures to 200 ppb ozone on 4 consecutive days, each for 4 h of intermittent exercise. Bronchoalveolar lavage was(More)
A newly established gastric carcinoma cell line (EPG85-257P) exhibited a high sensitivity to mitoxantrone (DHAD) as determined by a monolayer proliferation assay. The concentration to inhibit cell growth to 50% of controls (IC50) was 0.0022 micrograms/ml culture medium. The cells were continuously incubated for more than 4 months in the presence of stepwise(More)
Tumor relapse occurs frequently in patients with ductal pancreatic head cancer despite the absence of residual tumor detectable at primary surgery. Therefore it has to be assumed that current tumor staging procedures fail to detect minimal amounts of disseminated tumor cells present in secondary organs, which might be the seed for subsequent metastatic(More)
PURPOSE Data on skip metastases and their significance are lacking for esophageal cancer. This issue is important to determine the extent of lymphadenectomy for esophageal resection. In this study we examined the lymphatic spread in esophageal cancer by routine histopathology and by immunohistochemistry. PATIENTS AND METHODS A total of 1,584 resected(More)
The abilities of chemokines in orchestrating cellular migration are utilised by different (patho-)biological networks including malignancies. However, except for CXCR4/CXCL12, little is known about the relation between tumour-related chemokine expression and the development and progression of solid tumours like breast cancer. In this study, microarray(More)
The aim of this study was to determine the extent of accumulation of lipoprotein(a) [Lp(a)] in human arterial wall and to define its potential role in atherogenesis. Biopsies routinely taken from the ascending aorta of 107 patients undergoing aortocoronary bypass surgery were analyzed for lipid and lipoprotein parameters, which were then correlated to serum(More)
Watanabe heritable hyperlipidaemic (WHHL)-rabbits develop premature atherosclerosis due to an inborn defect of the low-density lipoprotein (LDL) receptor causing severe hypercholesterolaemia. Probucol, which possesses a lipid lowering and an antioxidative potency, has been shown to reduce the extent of atherosclerotic disease in this animal. The object of(More)
Recent epidemiologic evidence suggests that patients with chronic pancreatitis (CP) have an increased risk of developing pancreatic carcinoma (PCA). In spite of numerous similarities in both diseases, mechanisms for progression from CP to PCA are poorly understood. We hypothesized that enhanced angiogenesis might play a pivotal role in the etiology and(More)