ArticleJournal of fluorescence2016
A Fluorescence-Labeled Heptapeptide, (FITC)KP6, as an Efficient Probe for the Specific Detection of Oxidized and Minimally Modified Low-Density Lipoprotein.
Article in Journal of fluorescence, 2016. 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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 6 citations in OpenAlex.
- The role of ketone bodies in oxidized LDL-induced cell proliferation and lipid accumulation of macrophages.International journal of experimental pathology · 2025Article
- Synthesis, Characterization, and Specific Localization of Mitochondrial-Targeted Antioxidant Peptide SS31 Probe.BioMed research international · 2021Article
- Angiotensin II induces the aggregation of native and oxidized low-density lipoprotein.European biophysics journal : EBJ · 2018Article
- A Method for In Vitro Measurement of Oxidized Low-Density Lipoprotein in Blood, Using Its Antibody, Fluorescence-Labeled Heptapeptide and Polyethylene Glycol.Journal of fluorescence · 2017Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Two oxidized forms of low-density lipoprotein (LDL), oxidized LDL (ox-LDL) and minimally modified LDL (MM-LDL), are believed to play a major role in the pathogenesis of atherosclerosis. Recently, we reported that a heptapeptide (Lys-Trp-Tyr-Lys-Asp-Gly-Asp, KP6) coupled through the ε-amino group of N-terminus Lys to fluorescein isothiocyanate, (FITC)KP6, bound to ox-LDL but not to LDL. In the present study, we investigated whether (FITC)KP6 could be used as a fluorescent probe for the specific detection of MM-LDL and ox-LDL. Results from polyacrylamide gel electrophoresis and surface plasmon resonance proved that (FITC)KP6 could efficiently bind to MM-LDL as well as ox-LDL in a dose-dependent manner and with high affinity (K D = 3.16 and 3.54 ng/mL protein for MM-LDL and ox-LDL, respectively). (FITC) KP6 bound to lysophosphatidylcholine and oxidized phosphatidylcholine, both present abundantly in ox-LDL and MM-LDL, respectively. In vitro, (FITC)KP6 was detected on the surface and/or in the cytosol of human THP-1-derived macrophages incubated with ox-LDL and MM-LDL, but not LDL. These results suggest that (FITC)KP6 could be an efficient fluorescent probe for the specific detection of ox-LDL and MM-LDL and can therefore contribute to the identification, diagnosis, prevention, and treatment of atherosclerosis.
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Registered trials
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