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Folate intake and the risk of oral cavity and pharyngeal cancer: a pooled analysis within the International Head and Neck Cancer Epidemiology Consortium.

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There are suggestions of an inverse association between folate intake and serum folate levels and the risk of oral cavity and pharyngeal cancers (OPCs), but most studies are limited in sample size, with only few reporting information on the source of dietary folate. Our study aims to investigate the

Fischer 344 Rat: A Preclinical Model for Epithelial Ovarian Cancer Folate-Targeted Therapy.

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OBJECTIVE Ovarian cancer prognosis remains dire after primary therapy. Recurrence rates are disappointingly high as 60% of women with advanced epithelial ovarian cancer considered in remission will develop recurrent disease within 5 years. Special attention to undetected peritoneal metastasis and

Surface-enhanced Resonance Raman Scattering Nanoprobe Ratiometry for Detecting Microscopic Ovarian Cancer via Folate Receptor Targeting.

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Ovarian cancer represents the deadliest gynecologic malignancy. Most patients present at an advanced stage (FIGO stage III or IV), when local metastatic spread has already occurred. However, ovarian cancer has a unique pattern of metastatic spread, in that tumor implants are initially contained

The coelomic cavity: an important site of materno-fetal nutrient exchange in the first trimester of pregnancy.

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OBJECTIVE To measure levels of folate and vitamin B12 in matched samples of amniotic fluid and extra-embryonic coelomic fluid from 9 to 12 weeks' gestation. METHODS Prospective observational study. METHODS Homerton Hospital, London. METHODS Twenty-two women with ultrasonographically normal

Micronuclei in lymphocytes and exfoliated buccal cells of postmenopausal women with dietary changes in folate.

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Folate deficiency is associated with anemia, birth defects, cancer and neuropsychiatric disorders. The purpose of this study was to determine if a moderate folate deficiency during controlled changes in folate intake would affect chromosomal damage in lymphocytes and buccal cells. A study of nine

An apicoplast-resident folate transporter is essential for sporogony of malaria parasites

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Malaria parasites are fast replicating unicellular organisms and require substantial amounts of folate for DNA synthesis. Despite the central role of this critical co-factor for parasite survival, only little is known about intraparasitic folate trafficking in Plasmodium. Here, we report on the

Expression of the folate receptor genes FOLR1 and FOLR3 differentiates ovarian carcinoma from breast carcinoma and malignant mesothelioma in serous effusions.

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The objective of this study was to analyze the diagnostic and clinical role of the folate receptor-alpha (FOLR1) and folate receptor-gamma (FOLR3) genes in effusion cytology. Expression of the FOLR1 protein product, FR-alpha, was additionally studied. Ninety-one effusions (71 ovarian carcinomas, 10

Preparation and characterization of a novel host-guest complex based on folate-modified β-cyclodextrin and artesunate.

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The purpose of this study was to develop a novel folate-modified host-guest complex to enhance antitumor activity of the artesunate and improve the solubility and stability by encapsulated in β-cyclodextrin and linked with folate. In this work, we designed and prepared the inclusion complex of

Folate appended cyclodextrins for drug, DNA, and siRNA delivery.

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Drug, DNA, and siRNA delivery systems based on cyclodextrin (CD) core and connected with folate (FA) via various linkers are presented. They include simple mono-derivatized cyclodextrins as well as cyclodextrins with higher degree of substitution, both in their primary and secondary sides. Examples

Reduced folate carrier and folylpolyglutamate synthetase, but not thymidylate synthase predict survival in pemetrexed-treated patients suffering from malignant pleural mesothelioma.

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BACKGROUND Malignant mesothelioma is a highly aggressive tumor arising from mesothelial-lined surfaces, most often in the pleura cavities. Antifolates belong to the most effective cytotoxic drugs for malignant pleural mesothelioma (MPM) treatment. Pemetrexed is an antifolate inhibiting different

Structural homologies with ATP- and folate-binding enzymes in the crystal structure of folylpolyglutamate synthetase.

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Folylpolyglutamate synthetase, which is responsible for the addition of a polyglutamate tail to folate and folate derivatives, is an ATP-dependent enzyme isolated from eukaryotic and bacterial sources, where it plays a key role in the retention of the intracellular folate pool. Here, we report the

Folate intake and risk of oral and pharyngeal cancer.

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BACKGROUND Diet has been recognised as having a role in the aetiology of oral and pharyngeal cancer, and dietary factors may account for 10-15% of cases in Europe. Folate deficiency has been linked to risk of several cancers, but has not been studied adequately with respect to oral

Identification of transport-critical residues in a folate transporter from the folate-biopterin transporter (FBT) family.

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The Synechocystis Slr0642 protein and its plastidial Arabidopsis (Arabidopsis thaliana) ortholog At2g32040 belong to the folate-biopterin transporter (FBT) family within the major facilitator superfamily. Both proteins transport folates when expressed in Escherichia coli. Because the structural

Experimentally optimized threading structures of the proton-coupled folate transporter.

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The proton-coupled folate transporter (PCFT, SLC46A1) transports folic acid across the plasma membrane, together with an excess of protons such that the net charge translocation is positive. We developed 3D structural models of PCFT threaded onto the X-ray structures of major facilitator superfamily

A functional folate receptor is induced during macrophage activation and can be used to target drugs to activated macrophages.

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Previous work has demonstrated that a subset of macrophages expresses a folate receptor (FR) that can mediate internalization of folate-linked molecules, including imaging and therapeutic agents. To characterize this subset, macrophages were collected from peritoneal cavities of mice injected with

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