نتایج جستجو برای: tumors antibodies
تعداد نتایج: 331953 فیلتر نتایج به سال:
Background One-third of breast cancers display amplifications of the ERBB2 gene encoding the HER2 kinase receptor. Trastuzumab, a humanized antibody directed against an epitope on subdomain IV of the extracellular domain of HER2 is used for therapy of HER2overexpressiong mammary tumors. However, many tumors are either natively resistant or acquire resistance against Trastuzumab. Antibodies dire...
The humoral immune response to a virally induced feline model of human uveal melanoma was studied by examining sera from cats bearing iridal and choroidal melanomas for antibody to the feline oncornavirus-associated cell membrane antigen (FOCMA). Anti-FOCMA antibodies appeared earlier and in higher titers in cats that ultimately expressed nonprogressing uveal melanomas. By 8 weeks after virus i...
Antibody mediated therapeutic strategies against human malignant tumors have been widely authorized and clinically applied to cancer patients. In order to develop methods to generate antibodies reactive to the extracellular domains of multipass plasma membrane proteins specifically expressed in malignant tumors, we examined the use of dendritic cells (DCs) for immunization. DCs were transduced ...
Interstitial transport of fluorescein isothiocyanate-conjugated nonspecific polyclonal rabbit and sheep IgG was studied in normal (mature granulation) and neoplastic (VX2 carcinoma) tissues grown in a rabbit ear chamber. The interstitial concentration gradients after i.v. injection were analyzed to yield effective interstitial diffusion coefficients, Deff. The one-dimensional diffusion model un...
Mutations in the p53 gene are the most common genetic changes in cancer thus far. Many p53 mutations result in a protein product having a prolonged half-life compared to wild-type p53. The mutant protein is frequently detectable immunohistochemically, whereas the wild-type p53 present in normal cells is not. We examined 90 colorectal carcinomas for increased expression of p53 using 3 p53 specif...
Epidermal growth factor receptor (EGFR) mutations identify patients with lung cancer who derive benefit from kinase inhibitors. However, most patients eventually develop resistance, primarily due to the T790M second-site mutation. Irreversible inhibitors (e.g., osimertinib/AZD9291) inhibit T790M-EGFR, but several mechanisms, including a third-site mutation, C797S, confer renewed resistance. We ...
the ifa and the blue dye decolourization g6pd tests were applied in three cross-sectional studies to find out were applied in three cross-sectional studies to find out the relationship of malarial antibodies and g6pd deficiency in the male residents of the malarious areas of southern iran. in the first study that the blood samples were collected in a random sampling method from the whole hormoz...
Monoclonal antibodies have emerged as an important class of cancer therapeutics due to their ability to specifically bind tumor-expressed antigens. Unfortunately, attempts to treat solid tumors with these drugs are often limited by an inability of the antibodies to fully penetrate the tumor tissue, leaving large regions of untargeted and viable cells. The goal of this thesis is to understand th...
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