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METHODS We examined gene expression profiles of tumor cells from 29 untreated patients with lung cancer (10 adenocarcinomas (AC), 10 squamous cell carcinomas (SCC), and 9 small cell lung cancer (SCLC)) in comparison to 5 samples of normal lung tissue (NT). The European and American methodological quality guidelines for microarray experiments were followed,(More)
Decrease in connexin (Cx) expression and loss of gap junctional intercellular communication (GJIC) have been associated with aberrant cell growth and enhanced neoplastic phenotype. We studied the expression of Cx26, Cx32, Cx43, and Cx50 in chromaffin cells of 10 normal human adrenal glands, 10 benign, and 13 malignant pheochromocytomas. Immunohistochemistry(More)
In a retrospective analysis of 203 patients with small cell lung cancer (SCLC), we examined the prognostic value of c-kit expression on survival. Expression of c-kit was examined immunohistochemically in formalin-fixed, paraffin-embedded tissue sections. c-kit was observed in 87.7% of SCLC tumors. Using the Kaplan-Meier model, we found that lack of c-kit(More)
Recent studies suggest that immunization with autologeous dendritic cells (DCs) pulsed with tumor antigen result in protective immunity and rejection of established tumors in various human malignancies. The objective of this study was to develop a DC vaccination therapy in patients with metastasized medullary thyroid carcinoma (MTC). Mature DCs were(More)
Dendritic cells (DCs) are highly potent antigen-presenting cells crucial for the innate and adaptive immune response and for maintaining immune tolerance towards self-antigens. Although they share many common features, multiple DC subtypes with different immune functions have been identified. Originally, DCs were considered to be cells with purely myeloid(More)
Differentiated thyroid cancer (DTC) is the most common endocrine cancer and its incidence has increased in recent decades. Initial treatment usually consists of total thyroidectomy followed by ablation of thyroid remnants by iodine-131. As thyroid cells are assumed to be the only source of thyroglobulin (Tg) in the human body, circulating Tg serves as a(More)
The aim of this study was to evaluate the ability of the more sensitive second-generation TSH receptor (TRAb) assay to predict recurrent Graves' disease (GD) vs. remission depending on TRAb levels. 93 patients with active GD were included in the study. By using a cut-off limit of 1.0 IU/l, all 93 patients were positive for TRAb (median: 4.6 IU/l) at the(More)
CONTEXT Hashimoto's thyroiditis (HT) is a common autoimmune disease leading to thyroid destruction due to lymphocytic infiltration. Only rare data are available regarding the recognition of specific cellular antigens, e.g. of thyroperoxidase (TPO) and thyroglobulin (Tg). OBJECTIVE The aim of this study was to quantify and characterize TPO- and(More)
We evaluated the technical robustness of the new commercial TBII assay using human recombinant TSH-R, and describe its use for the clinician in the routine laboratory. The human recombinant TSH-R assay (DYNOtest TRAK human) was compared to a conventional TBII assay (TSH-REZAK). Specificity was adjusted at 99.1% for both assays by ROC plot analysis including(More)
Autoimmune Thyroiditis (AIT) is the most common autoimmune disease, which is characterized by cellular and humoral immunity leading to thyroid destruction. The impact of the humoral immunity on the risk to develop hypothyroidism has not exactly been defined yet. The aim of the present study was to investigate the association between thyroid antibody levels(More)