Physical Sciences and Mathematics Commons^™

Analytical Evaluation Of Imaging Agents, Vineela Chowdary Talluri

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The folate receptor has achieved great importance for use in targeted drug delivery and in vitro and in vivo diagnostic assays. The folate receptor (FR) is over expressed on several cancer cell types and activated macrophages, but exists in relatively low abundance on the surface of non-cancerous tissue and non inflammatory cells. This unique attribute is the hallmark of folate – targeted methodologies allowing the diagnostic agent and/or drug to be ferried to the specific disease sites while preventing “off target” effects in normal tissues. Although several folate-based dyes have been reported, simple and detailed synthetic and purification methods for …

Evaluation And In Vitro Studies Of Folate Peg Biotin And Other Peg Agents, Christopher E. Zmudka

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Folate receptor alpha is a membrane-bound protein displaying high affinity for folic acid. This receptor is believed to serve as a receptor-mediated transport system of folic acid into cancer and cells associated with inflammation. Interesting, most normal cells in the body have little if no high affinity folate receptor alpha. Based on these attributes, folate based drug delivery, imaging systems, and diagnostic systems are in several stages of development worldwide.

Numerous methods have been explored in the literature in an attempt to detect low levels of free folate receptor and/or rare circulating cancer cells. In an attempt to further exploit …

Synthesis And Analytical Evaluation Of Folate Conjugates For Use In Cancer Cell Detection, Pradipkumar Koshiya

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Folate-targeted dyes have been used for the detection of tumor tissue and isolated cancer cells in both the animal tumor models as well as in human cancer patients. Folate receptors (FR) are abundantly present on several cancerous cell types but they are found less in normal human cells. There are several imaging agents that can be linked with folic acid and used for the detection of tumor. These imaging agents could be protein toxins, chemotherapeutic agents, gene therapy vectors, oligonucleotides, radioimaging agents, magnetic resonance imaging contrast agents and liposomes with entrapped drugs, radiotherapeutic agents and/or immunotherapeutic agents. This research showed …

Detection Of Folate Binding Protein, Anwer Unnisa

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Cancer is the second leading cause of death despite the anti cancer developments including hormone therapy, radiotherapy, chemotherapy. Chemotherapy includes use of potent drugs such as camptothecin, paclitaxel and mitomycin. These drugs have an effect which is dose responsive, where the drug exposure and cell kill are proportional. This chemotherapy is high dose and has less selectivity for cancer cells and has more toxic effect to normal cells. Such kind of non specific treatment to tumor is causing hurdles in the treatment of cancer by chemotherapy. To overcome this current limitation to chemotherapy, the anti cancer drug with high specificity …

Evaluation And In Vitro Studies Of Folate-Peg-Biotin, Kuldeep Reddy Vanga

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Folate receptor is a membrane bound protein which is highly expressed by cancer cells and macrophages. Folic acid is required for the normal growth of cells and it has been found that rapidly growing cancer cells require high levels of folic acid. Folic acid binds to folate receptors and through receptor mediated transport folate enters cells. This property has been used to synthesize a probe using folate as ligand through polyethylene glycol-Biotin linker. This can be used to attach a drug which is ultimately delivered at the site of infectious cells. The study involved here was to determine how folate …