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Volumn 18, Issue 6, 2008, Pages 1990-1993

PB183, a sigma receptor ligand, as a potential PET probe for the imaging of prostate adenocarcinoma

Author keywords

Cyclohexylpiperazine derivative; PB183; PB28; PET; Prostate adenocarcinoma; TRAMP cells

Indexed keywords

CYCLOHEXYLPIPERAZINE DERIVATIVE; PB 167; PB 183; PB 28; PIPERAZINE DERIVATIVE; RECEPTOR SUBTYPE; SIGMA RECEPTOR LIGAND; TRACER; UNCLASSIFIED DRUG;

EID: 40749153072     PISSN: 0960894X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.bmcl.2008.01.109     Document Type: Article
Times cited : (21)

References (32)
  • 5
    • 0002845201 scopus 로고
    • Izthak Y. (Ed), Academic Press, London
    • Su T.P. In: Izthak Y. (Ed). The Sigma Receptor (1994), Academic Press, London 21-44
    • (1994) The Sigma Receptor , pp. 21-44
    • Su, T.P.1
  • 16
    • 33748291765 scopus 로고    scopus 로고
    • Preparation of Caco-2 cell monolayer: Caco-2 cells grown in medium as previously reported were harvested with trypsin-EDTA and seeded onto MultiScreen Caco-2 Assay System at a density of 10,000 cells per well. The culture medium was replaced every 48 h for the first 6 days and every 24 h thereafter. After 21 days in the culture, the Caco-2 monolayer was utilized for the permeability experiments. The Transepithelial Electrical Resistance (TEER) of the monolayers was measured daily before and after the experiment using a Millicell-ERS system (Millipore). Generally, TEER values obtained were greater than 1000 Ω for a 21-day culture
    • Azzariti A., Colabufo N.A., Berardi F., Porcelli L., Niso M., Simone M.G., Perrone R., and Paradiso A. Mol. Cancer Ther. 5 (2006) 1807 Preparation of Caco-2 cell monolayer: Caco-2 cells grown in medium as previously reported were harvested with trypsin-EDTA and seeded onto MultiScreen Caco-2 Assay System at a density of 10,000 cells per well. The culture medium was replaced every 48 h for the first 6 days and every 24 h thereafter. After 21 days in the culture, the Caco-2 monolayer was utilized for the permeability experiments. The Transepithelial Electrical Resistance (TEER) of the monolayers was measured daily before and after the experiment using a Millicell-ERS system (Millipore). Generally, TEER values obtained were greater than 1000 Ω for a 21-day culture
    • (2006) Mol. Cancer Ther. , vol.5 , pp. 1807
    • Azzariti, A.1    Colabufo, N.A.2    Berardi, F.3    Porcelli, L.4    Niso, M.5    Simone, M.G.6    Perrone, R.7    Paradiso, A.8
  • 17
    • 40749085432 scopus 로고    scopus 로고
    • note
    • Drug transport experiments: Apical to basolateral permeability of drugs was measured under various conditions of incubation time (30, 60, 120 min) and drug concentrations (10-100 μM). Drugs were dissolved in Hanks' balanced salt solution (HBSS, pH 7.4) and sterile filtered. After 21 days cell growth, the medium was removed from filter wells and from the receiver plate. The filter wells were filled with 75 μl of fresh HBSS buffer and the receiver plate with 250 μl per well of the same buffer. This procedure was repeated twice and the plates were incubated at 37 °C for 30 min. After the incubation time, the HBSS buffer was removed and drug solutions were added to the filter well (75 μl). HBSS without the drug was added to the receiver plate (250 μl). The plates were incubated at 37 °C for the desired time. After incubation time, samples were removed from the apical (filter well) and basolateral (receiver plate) side of the monolayer and the drug concentrations were determined by HPLC analytical method.
  • 18
    • 40749089767 scopus 로고    scopus 로고
    • note
    • HPLC analysis: Samples from in vitro permeation studies were analysed by using a reverse-phase HPLC equipped with a Perkin-Elmer series 200 LC pump and a Perkin-Elmer 785A UV/VIS detector. UV signals were monitored and obtained peaks integrated using a personal computer running Perkin-Elmer Turbochrom Software. The column used was a Phenomenex Prodigy ODS-3 RP-18 (250 × 4.6 mm, 5 μm particle size). The samples were eluted with ammonium formate (5 mM; pH adjusted to 5 with formic acid) and acetonitrile (95:5 v/v) at a flow rate of 1 ml/min. The wavelength for UV absorbance was set at 230 nm. The sample injection volume was 20 μl.
  • 21
    • 40749119517 scopus 로고    scopus 로고
    • note
    • 3H]pentazocine concentrations ranging from 0.1 to 50 nM. Samples contained 400 μg of membrane protein and radioligand. The non-specific binding was determined in the presence of 10 μM (+)-pentazocine. Samples were incubated in a final volume of 500 μl of 50 mM Tris-HCl, pH 8.0, for 120 min at 25 °C and the following manipulations were as described above for sigma-2 receptors.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.