نتایج جستجو برای: سلول 5637
تعداد نتایج: 15280 فیلتر نتایج به سال:
Bladder cancer, a common urinary tract tumor, has high mortality and recurrence rates associated with metastasis. Aminopeptidase N (APN) expression and metastasis have been indicated to be associated with one another. Ubenimex may function as an APN inhibitor to inhibit the degradation of the extracellular matrix during tumorigenesis. Furthermore, APN has been widely used as an adjuvant therapy...
We report herein the development, functional and molecular characterization of an isogenic, paired bladder cancer cell culture model system for studying platinum drug resistance. The 5637 human bladder cancer cell line was cultured over ten months with stepwise increases in oxaliplatin concentration to generate a drug resistant 5637R sub cell line. The MTT assay was used to measure the cytotoxi...
Androgen receptor (AR) signals play important roles in bladder carcinogenesis and tumor progression. Activation of the epidermal growth factor receptor (EGFR) family, including EGFR and ERBB2, leads to bladder cancer cell growth and correlates with poor patients' prognosis. However, cross talk between AR and EGFR/ERBB2 pathways in bladder cancer remains poorly understood. In AR-positive bladder...
oct4 یکی از ژنهای مهم و کلیدی در سلولهای بنیادی است و کد کننده یک فاکتور رونویسی است که نقش کنترل بیان ژنهای مرتبط با بنیادی بودن (stemness) را به عهده دارد. با فرایند پیرایش افتراقیalternative splicing) ) حداقل سه واریانت مختلف با عملکرد متفاوت از این ژن سنتز میگردد. عمده ترین نقش این ژن کنترل پرتوانی (pluripotency) و خود باز آفرینی (self-renewal) در سلولهای بنیادی است، بطوریکه بیان این ژن نشا...
objective: the anti-cancer properties of curcumin, a poliphenol extract from the rhizome of curry, has been confirmed by many investigators. however, low levels of uptake, tissue distribution and rapid metabolism has limited its application as an anti-cancer drug. this study is aimed at increasing curcumin's water solubility due to a biodegradable, neutral and non-toxic micellar nano-carrier ca...
Bladder cancer is one of the most common cancers worldwide, with the highest incidence in industrialized countries. There are three major histological subtypes of bladder cancer: transitional cell carcinoma (TCC) (> 90%), squamous cell carcinoma (< 10%) and adenocarcinoma (1-2%). The present study was carried out to assess the effects of conferone, a sesquiterpene coumarin isolated from Ferula ...
Ribonucleic acid interference (RNAi) based on microRNA (miRNA) may provide efficient and safe therapeutic opportunities. However, natural microRNAs can not easily be regulated and usually cause few phenotypic changes. Using the engineering principles of synthetic biology, we provided a novel and standard platform for the generation of tetracycline (Tet)-inducible vectors that express artificial...
The effects of media conditioned by leukemic cells from 11 acute myeloblastic leukemia patients on the growth of autologous blast progen itors were studied. First, it was shown that T-cell-depleted leukemic cells from some patients release high levels of colony-stimulating activity into the culture medium, whereas following further depletion of phagocytic cells, the levels of colony-stimulating...
The role of muscarinic receptors in several diseases including cancer has recently emerged. To evaluate the hypothesis that muscarinic acetylcholine receptors may play a role in bladder cancer as well as in other tumor types, we investigated their expression in bladder tumor specimens. All examined samples expressed the M1, M2 and M3 receptor subtypes. We also found that the level of M2 transcr...
Transitional cell carcinoma (TCC) of urinary bladder belongs to glutathione S-transferase P1 (GSTP1) overexpressing tumors. Upregulated GSTP1 in TCC is related to apoptosis inhibition. This antiapoptotic effects of GSTP1 might be mediated through protein:protein interaction with c-Jun NH(2) -terminal kinase (JNK). Herein, we analyzed whether a direct link between GSTP1 and JNK exists in TCC. Th...
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