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d fructose/brustkrebs
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14 Ergebnisse
Radiopharmacological evaluation of 6-deoxy-6-[18F]fluoro-D-fructose as a radiotracer for PET imaging of GLUT5 in breast cancer.
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BACKGROUND
Several clinical studies have shown low or no expression of GLUT1 in breast cancer patients, which may account for the low clinical specificity and sensitivity of 2-deoxy-2-[(18)F]fluoro-D-glucose ([(18)F]FDG) used in positron emission tomography (PET). Therefore, it has been proposed
d-Fructose-Decorated Poly(ethylene imine) for Human Breast Cancer Cell Targeting.
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The high affinity of GLUT5 transporter for d-fructose in breast cancer cells has been discussed intensely. In this contribution, high molar mass linear poly(ethylene imine) (LPEI) is functionalized with d-fructose moieties to combine the selectivity for the GLUT5 transporter with the delivery
Automated synthesis and dosimetry of 6-deoxy-6-[(18)F]fluoro-D-fructose (6-[(18)F]FDF): a radiotracer for imaging of GLUT5 in breast cancer.
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6-Deoxy-6-[(18)F]fluoro-D-fructose (6-[(18)F]FDF) is a promising PET radiotracer for imaging GLUT5 in breast cancer. The present work describes GMP synthesis of 6-[(18)F]FDF in an automated synthesis unit (ASU) and dosimetry calculations to determine radiation doses in humans. GMP synthesis and
Erratum: Automated synthesis and dosimetry of 6-deoxy-6-[(18)F]fluoro-D-fructose (6-[(18)F]FDF): a radiotracer for imaging of GLUT5 in breast cancer.
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6-Deoxy-6-[(18)F]fluoro-D-fructose (6-[(18)F]FDF) is a promising PET radiotracer for imaging GLUT5 in breast cancer. The present work describes GMP synthesis of 6-[(18)F]FDF in an automated synthesis unit (ASU) and dosimetry calculations to determine radiation doses in humans. GMP synthesis and
d-Fructose Modification Enhanced Internalization of Mixed Micelles in Breast Cancer Cells via GLUT5 Transporters.
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d-Fructose modified poly(ε-caprolactone)-polyethylene glycol (PCL-PEG-Fru) diblock amphiphile is synthesized via Cu(I)-catalyzed click chemistry, which self-assembles with D-α-tocopheryl polyethylene glycol 1000 succinate (TPGS) into PCL-PEG-Fru/TPGS mixed micelles (PPF MM). It has been proven that
Synthesis and characterization of 6-deoxy-6-fluoro-D-fructose as a potential compound for imaging breast cancer with PET.
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FDG-based imaging with positron emission tomography (PET) has been widely used in the detection of cancer, but has not reached its full potential. In breast cancer, the glucose/fructose transporter GLUT2 and the fructose transporter GLUT5 are known to be overexpressed in transformed tissues,
Molecular Imaging of GLUT1 and GLUT5 in Breast Cancer: A Multitracer PET Imaging Study in Mice.
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Use of [18F]FDG-positron emission tomography (PET) in clinical breast cancer (BC) imaging is limited mainly by insufficient expression levels of facilitative glucose transporter (GLUT)1 in up to 50% of all patients. Fructose-specific facilitative hexose transporter GLUT5 represents an alternative
Expression and function of hexose transporters GLUT1, GLUT2, and GLUT5 in breast cancer-effects of hypoxia.
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Elevated growth in breast cancer (BC) activates hypoxia-inducible factor (HIF1α) and downstream, facilitative glucose transporter 1 (GLUT1), which can be visualized with 2-deoxy-2-[18F]fluoro-d-glucose ([18F]FDG). GLUT5 (fructose) and GLUT2 (glucose/fructose) might provide alternative targets for BC
Spherical and Worm-Like Micelles from Fructose-Functionalized Polyether Block Copolymers.
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This paper presents the synthesis and characterization of d-fructose modified poly(ethylene glycol) (Fru-PEG) and fructose modified poly(ethylene glycol)-block-poly(ethyl hexyl glycidyl ether) (Fru-PEG-b-PEHG) that are both prepared by initiation with isopropyliden protected fructose, followed by
New fluorinated fructose analogs as selective probes of the hexose transporter protein GLUT5.
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Facilitated hexose transporters (GLUTs) mediate the transport of hexoses and other substrates across the membranes of numerous cell types, and while some are expressed ubiquitously (e.g., GLUT1), others are more tissue specific (e.g., GLUT5). These properties have been exploited for the imaging of
Permselective glucose sensing with GLUT1-rich cancer cell membranes.
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Enzymatic blood glucose detection with selectivity is one of the most important conundrums, because human blood contains many components that can hinder enzyme-substrate reactions. Meanwhile, cancer cells express much higher levels of glucose transporter-1 on their cell membrane to selectively and
Radiofluorinated carbohydrates for positron emission tomography.
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2-Deoxy-2-[(18)F]fluoro-D-glucose (2-(18)FDG) has represented radiofluorinated carbohydrates as the most successful tracer for positron emission tomography (PET). 2-(18)FDG uptake depends on glucose metabolism, which is related to a disease progression. 2-(18)FDG has been widely used in oncology,
Fluorescent Hexose Conjugates Establish Stringent Stereochemical Requirement by GLUT5 for Recognition and Transport of Monosaccharides.
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The specificity characteristics of transporters can be exploited for the development of novel diagnostic therapeutic probes. The facilitated hexose transporter family (GLUTs) has a distinct set of preferences for monosaccharide substrates, and while some are expressed ubiquitously (e.g., GLUT1),
Enhanced Antimetastatic Activity of the Ruthenium Anticancer Drug RAPTA-C Delivered in Fructose-Coated Micelles.
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The ruthenium complex-dichlororuthenium (II) (p-cymene) (1,3,5-triaza-7-phosphaadamantane) (RAPTA-C)-has shown to be remarkably effective at suppressing the growth of solid tumor metastases. However, poor delivery efficacy and the lack of targeting ability of the common drug delivery system pose
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