Recently, we described that vaccination with allogeneic dendritic cells (DCs) pulsed with tumor cell lysate generated specific CD8 þ T cell response in patients with B-cell chronic lymphocytic leukemia (B-CLL). In the present study, the potential of autologous DCs pulsed ex vivo with tumor cell lysates to stimulate antitumor immunity in patients with B-CLL in early stages was evaluated. Twelve patients at clinical stage 0-2 as per Rai were vaccinated intradermally up to eight times with a mean number of 7.4 Â 10 6 DCs pulsed with B-CLL cell lysate. We observed a decrease of peripheral blood leukocytes and CD19 þ /CD5 þ leukemic cells in five patients, three patients showed a stable disease and four patients progressed despite DC vaccination. A significant increase of specific cytotoxic CD8 þ T lymphocytes against the leukemia-associated antigens RHAMM or fibromodulin was detected in four patients after DC vaccination. In patients with a clinical response, an increase of interleukin 12 (IL-12) serum levels and a decrease of the frequency of CD4 þ CD25 þ FOXP3 þ T regulatory cells were observed. Taken together, the study demonstrated that vaccination with autologous DC in CLL patients is feasible and safe. Immunological and to some extend hematological responses could be noted, justifying further investigation on this immunotherapeutical approach.
Psoriasis is a chronic immune mediated inflammatory skin disease with a population prevalence of 2-3%. In recent years, psoriasis has been recognized as a systemic disease associated with metabolic syndrome or its components such as: obesity, insulin resistance, hypertension and atherogenic dyslipidemia. Many bioactive substances have appeared to be related to metabolic syndrome. Based on current literature, we here discuss the possible role of adiponectin, leptin, ghrelin, resistin, inflammatory cytokines, plasminogen activator inhibitor 1, uric acid, C-reactive protein and lipid abnormalities in psoriasis and in metabolic syndrome.
Association between increased maspin expression and up-regulation of miR-21 in endometrial cancer suggests distinct and tissue-specific relationships of the 2 molecules in this type of malignancy and requires further studies that would reveal its clinical relevance.
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