نتایج جستجو برای: muc1
تعداد نتایج: 2241 فیلتر نتایج به سال:
MUC1 is a membrane-anchored mucin and its cytoplasmic tail (CT) can interact with many signaling pathways and act as a co-transcription factor to activate genes involved in tumor progression and metastasis. MUC1 is overexpressed in renal cell carcinoma with correlation to prognosis and has been implicated in the hypoxic pathway, the main renal carcinogenetic pathway. In this context, we assesse...
Acquired chemoresistance is a major challenge in cancer therapy. While the oncoprotein Mucin-1 (MUC1) performs multiple roles in the development of diverse human tumors, whether MUC1 is involved in acquired chemoresistance has not been determined. Using an acquired chemoresistance lung cancer cell model, we show that MUC1 expression was substantially increased in cells with acquired apoptosis r...
A cystic fibrosis (CF) mouse expressing the human mucin MUC1 transgene (CFM) reverted the CF/Muc1(-/-) phenotype (little mucus accumulated in the intestine) to that of CF mice expressing mouse Muc1, which exhibited increased mucus accumulation. Western blots and immunohistochemical analysis showed that the MUC1 protein was markedly increased in CFM mice in which it was both membrane bound and s...
Induction of cytotoxic T lymphocytes (CTL) is critical to cancer vaccine based immunotherapy. Efforts to elicit CTLs against tumor MUC1 with peptide based vaccine have not been successful in clinical application. We have design a MUC1 vaccine by replacing B cell epitope of CTB with MUC1 VNTR peptide. Immunization with hybrid CTB-MUC1 plus aluminum hydroxide and CpG adujuvant (CTB-MUC1-Alum-CpG)...
Intensive efforts to improve vaccines against cancer are currently outgoing. Mucin 1 (Muc1) is a tumor-specific antigen that is overexpressed and heavily glycosylated in a variety of adenocarcinomas. In the present study, the efficacy of an anticancer DNA vaccination strategy was demonstrated using Muc1 fusion vaccines. To enhance antigen presentation and tumor-suppressive efficacy, a chimeric ...
Chemotherapy plays an important role in the treatment of metastatic breast cancer. It is important to monitor chemotherapeutic efficacy, to find a simple and efficient tool to guide treatment, and to predict the efficacy of treatment in a timely and accurate manner. This study aimed to detect mucin-1 (MUC1)-positive circulating tumor cells and MUC1 protein in the peripheral blood of patients wi...
BACKGROUND Pancreatic cancer has a poor prognosis. The clinical efficacy of immunotherapy using both dendritic cells pulsed with MUC1 peptide (MUC1-DC) and, cytotoxic T lymphocyte (CTL) sensitized with a pancreatic cancer, YPK-1, expressing MUC1 (MUC1-CTL) was evaluated. PATIENTS AND METHODS Twenty patients with unresectable or recurrent pancreatic cancer were enrolled. Peripheral blood monon...
Genes that have been designated the name "MUC" code for proteins comprising mucin domains. These proteins may be involved in barrier and protective functions. The first such gene to be characterized and sequenced is the MUC1 gene. Here we report a novel small protein derived from the MUC1 gene by alternative splicing that does not contain the hallmark of mucin proteins, the mucin domain. This p...
This study was conducted to examine the relationship between the peroxisome proliferator-associated receptor-γ (PPARγ) and MUC1 mucin, two anti-inflammatory molecules expressed in the airways. Treatment of A549 lung epithelial cells or primary mouse tracheal surface epithelial (MTSE) cells with phorbol 12-myristate 13-acetate (PMA) increased the levels of tumor necrosis factor (TNF)-α in cell c...
We investigated the influence of organ-specific parameters on tolerance and immunity to human MUC1. C57Bl/6 mice (wild-type) and C57Bl/6 transgenic for MUC1 (MUC1.Tg) were challenged in the pancreas with Panc02-MUC1, a C57Bl/6-syngeneic pancreatic cancer cell line expressing human MUC1. Wild-type mice produced immune responses to MUC1 when presented on tumor cells growing in the pancreas; howev...
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