نتایج جستجو برای: metastatic melanoma protein
تعداد نتایج: 1351467 فیلتر نتایج به سال:
While tremendous progress has been made in the understanding of mechanisms leading to cancers, governing formation metastases remains poorly understood. The cell-cell adhesion protein E-cadherin (E-cad) associated with metastatic development melanoma, but have not yet described nor actual impact E-cad evaluated. Here, using a novel mouse model expressing oncogenic form NRASQ61K melanocyte, we s...
Dysregulated protein kinase B alpha (PKB/AKT1) signaling has been increasingly implicated in melanoma metastasis to distant organs, especially the brain. In a recent study, we expressed activated AKT1 in a non-metastatic melanoma model in vivo and discovered that AKT1 activation decreased tumor latency and elicited lung and brain metastases in this context.
The biological basis for the general pharmacological resistance of human melanoma is unknown. A unique biochemical feature of the melanocyte is the synthesis of melanin, which leads to the generation of hydrogen peroxide and the consumption of reduced glutathione. This activity produces a state of chronic oxidative stress in these cells. We demonstrated previously that the expression of the c-j...
Melanoma is one of the most devastating malignancies with a rising incidence and lack of effective treatments for advanced disease. Constitutive activation of the mitogen-activated protein kinase (MAPK) pathway and altered expression of alpha(v)beta(3) integrin are critical for melanoma development and progression. Ras-associated protein-1 (Rap1), a Ras family member of the small GTPases, has e...
A cardinal feature of malignant melanoma is its metastatic propensity. An incomplete view of the genetic events driving metastatic progression has been a major barrier to rational development of effective therapeutics and prognostic diagnostics for melanoma patients. In this study, we conducted global genomic characterization of primary and metastatic melanomas to examine the genomic landscape ...
Early stages of melanoma can be successfully treated by surgical resection of the tumor, but there is still no effective treatment once it is progressed to metastatic phases. Although growing family of both melanoma metastasis promoting and metastasis suppressor genes have been reported be related to metastasis, the molecular mechanisms governing melanoma metastatic cascade are still not comple...
BACKGROUND The stomach is regarded as a rare site for metastasis. When a gastric mass is observed macroscopically, the presumed diagnosis is usually a primary gastric carcinoma. However, the stomach may be involved in metastatic malignant melanoma. Besides a possible macroscopical misdiagnosis, metastatic gastric melanoma may also be misdiagnosed microscopically as adenocarcinoma due to its pro...
The immediate molecular mechanisms behind invasive melanoma are poorly understood. Recent studies implicate microRNAs (miRNAs) as important agents in melanoma and other cancers. To investigate the role of miRNAs in melanoma, we subjected human melanoma cell lines to miRNA expression profiling, and report a range of variations in several miRNAs. Specifically, compared with expression levels in m...
Introduction Uveal melanoma (UM) is a rare yet deadly tumor. It known for its high metastatic potential, which makes it one of the most aggressive and lethal cancers. Recently, immune checkpoints such as Programmed cell Death protein-1 (PD1) Cytotoxic T-Lymphocyte-Associated significantly increasing patient survival in multiple human cancers, especially cutaneous melanoma. However, patients wit...
Adoptive cell therapy with tumor-infiltrating lymphocytes (TILs) represents an effective treatment for patients with metastatic melanoma. However, most of the Ag targets recognized by effective melanoma-reactive TILs remain elusive. In this study, patient 2369 experienced a complete response, including regressions of bulky liver tumor masses, ongoing beyond 7 y following adoptive TIL transfer. ...
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