ArticleApplied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine2014
Effects of l-DOPA pre-loading on the uptake of boronophenylalanine using the F98 glioma and B16 melanoma models.
Article in Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 citing papers in PubMed, 12 citations in OpenAlex.
- Investigation of the Impact of L-Phenylalanine and L-Tyrosine Pre-Treatment on the Uptake of 4-Borono-L-Phenylalanine in Cancerous and Normal Cells Using an Analytical Approach Based on SC-ICP-MS.Molecules (Basel, Switzerland) · 2023Article
- Poly(vinyl alcohol) boosting therapeutic potential ofScience advances · 2020Article
- 4-Borono-2-Annals of nuclear medicine · 2019Review
- Article
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7 authors at 3 institutions in 1 country.
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Abstract
The present study was undertaken to evaluate the effects of l-DOPA pre-loading on the uptake of BPA using the F98 rat glioma and the murine B16 melanoma models. In vitro pretreatments of F98 glioma and B16 melanoma cells with l-DOPA, followed by exposure to BPA increased boron uptake, as determined by inductively coupled plasma-optical emission spectroscopy (ICP-OES). Based on this, in vivo studies were initiated in F98 glioma bearing rats. Initially, the l-DOPA dosing paradigm was evaluated. Maximum tumor boron uptake was observed following i.p. administration of l-DOPA (50mg/kg) followed 24h later by BPA (31.8±8.9 vs. 17.2±6.3µg/g for BPA alone). Next, the effect of l-DOPA pre-loading as a function of the route of administration of BPA was evaluated in F98 glioma bearing rats. The greatest increase in uptake was seen following i.v. administration of BPA, while in contrast no significant increase was seen following intracarotid (i.c.) administration (38.6±12.4 vs. 34.2±10.9). Cellular localization of the F98 glioma, as determined by secondary ion mass spectrometry (SIMS) boron imaging revealed equivalent tumor boron concentrations following l-DOPA pre-loading. In vivo studies in B16 melanoma bearing mice showed equivalent tumor boron values in treated and untreated mice, suggesting that the effects of l-DOPA pre-loading may depend both on the histologic type of tumor and its anatomic site.
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