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The therapeutic efficacy of HER2/c-erbB-2/neu DNA immunization on mouse tumor cells expressing exogenous human or rat p185neu but not on mouse tumor cells naturally expressing mouse p185neu has been demonstrated. We investigated the feasibility of using N-terminal rat neu DNA immunization on mouse tumor overexpressing endogenous p185neu and enhancing the(More)
High atomic number material, such as gold, may be used in conjunction with radiation to provide dose enhancement in tumors. In the current study, we investigated the dose-enhancing effect and apoptotic potential of gold nanoparticles in combination with single-dose clinical electron beams on B16F10 melanoma tumor-bearing mice. We revealed that the(More)
Galectin-1 (Gal-1) is a beta-galactose-binding lectin; its expression level has been reported to correlate with tumor progression. Gal-1 is highly expressed in the invasive front of primary tumors and in the cancer cells of metastatic lesions in the lymph nodes of patients with oral squamous cell carcinoma. However, the molecular mechanism of Gal-1 in tumor(More)
Methotrexate (MTX), a stoichiometric inhibitor of dihydrofolate reductase, is a chemotherapeutic agent for treating a variety of neoplasms. Impairment of drug import into cells and increase in drug export from cells may render cells resistant to MTX. MTX, when locally administered in a soluble form, is rapidly absorbed through capillaries into the(More)
Systemic administration of Salmonella to tumor-bearing mice leads to preferential accumulation within tumor sites and retardation of tumor growth. However, the detailed mechanism of Salmonella-induced antitumor immune response via host T cell remains uncertain. Herein, we used wild-type, CD4+ T-cell-deficient, and CD8+ T-cell-deficient mice to study the(More)
Cathepsins have long been considered as housekeeping molecules. However, specific functions have also been attributed to each of these lysosomal proteases. Squamous cell carcinoma antigen (SCCA) 1, widely expressed in various uterine cervical cells, is an endogenous cathepsin (cat) L inhibitor. In this study, we investigated whether the cat L-SCCA 1(More)
OBJECTIVES To establish the normal range of urine prothymosin-alpha in humans and to investigate its role as a specific tumor marker for the detection and follow-up of transitional cell carcinoma of the urinary bladder before and after curative treatment. METHODS Urine samples were obtained from 151 healthy volunteers, 60 patients with urinary tract(More)
BACKGROUND Polycystic kidney disease (PKD) is a genetic disorder characterized by development of renal cysts and progressive renal dysfunction. Renal tissues from both PKD patients and rodent models of PKD show elevated c-myc expression. Prothymosin alpha (ProT) is positively regulated by c-myc through binding to the E box of its promoter. Through creating(More)
Chronic inflammation is a potential risk factor for tumor progression. The molecular mechanisms linking chronic inflammation and tumor growth have proven elusive. Herein, we describe a new role for Toll-like receptor 4 (TLR4) in tumor-associated macrophages (TAMs) in promoting tumor growth. TAMs can remodel tumor microenvironment and promote tumor growth.(More)
For decades, numerous ex vivo studies have documented that latent herpes simplex virus (HSV) reactivates efficiently from ganglia, but rarely from the central nervous systems (CNS), of mice when assayed by mincing tissues before explant culture, despite the presence of viral genomes in both sites. Here we show that 88% of mouse brain stems reactivated(More)