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Volumn 21, Issue 8, 2011, Pages 2394-2399

Discovery of 2,4-bis-arylamino-1,3-pyrimidines as insulin-like growth factor-1 receptor (IGF-1R) inhibitors

Author keywords

Calu 6 xenograft; IGF 1R; Insulin like growth factor 1 receptor; Kinase; Pyrimidine; X ray cocrystal structure

Indexed keywords

MONOCLONAL ANTIBODY; MONOCLONAL ANTIBODY 391; POLYCYCLIC AROMATIC HYDROCARBON DERIVATIVE; PYRIMIDINE DERIVATIVE; SOMATOMEDIN C RECEPTOR; UNCLASSIFIED DRUG;

EID: 79953271287     PISSN: 0960894X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.bmcl.2011.02.075     Document Type: Article
Times cited : (18)

References (47)
  • 25
    • 79953285113 scopus 로고    scopus 로고
    • m of ATP with respect to 1 μM of peptide substrate
    • m of ATP with respect to 1 μM of peptide substrate.
  • 26
    • 79953287721 scopus 로고    scopus 로고
    • note
    • 50's were determined by comparing the level of thymidine incorporation found in the presence of compound compared to controls. (b) Compounds were routinely assessed in an assay measuring IGF-1-induced auto-phosphorylation of IGF-1Rβ and displayed good correlation with the proliferation results.
  • 30
    • 79953283332 scopus 로고    scopus 로고
    • note
    • The kinase domain of human IGF-1R (res 988 to 1286) with an N-terminal GST tag was expressed in insect cells and purified by immobilized glutathione affinity, anion exchange, and size exclusion chromatographies. The coordinates for the X-ray co-crystal structure of IGF-1R and 8 have been deposited in the PDB. The RCSB ID code is RCSB063987 and the PDB ID code is 3QQU.
  • 31
    • 79953280642 scopus 로고    scopus 로고
    • Incubation of 3 with rat or human liver microsomes in the presence of NADPH identified O-demethylation as a major route of metabolism
    • Incubation of 3 with rat or human liver microsomes in the presence of NADPH identified O-demethylation as a major route of metabolism.
  • 33
    • 79953288280 scopus 로고    scopus 로고
    • note
    • (a) Male Sprague-Dawley rats were administered a solution of compound in DMSO at the indicated doses iv For oral dosing, a suspension of the compound in 1% Tween 80 and 1% HPMC in water was administered. Samples were collected over a 12-24 h period and analyzed for parent compound by LC-MS. (b) In vitro clearance (RLM and MLM) was not predictive of in vivo clearance, thus compounds were chosen for PK studies based on their enzyme and cellular potency profiles.
  • 34
    • 79953281876 scopus 로고    scopus 로고
    • note
    • 6 cells per mouse). After 1 day, animals began continuous daily treatment with compound administered po, b.i.d at the indicated dose levels in 1% Tween 80 and 1% HPMC in water (3) or in 20% Captisol in PBS at pH 3.5 (26). Tumor volumes as established by caliper measurements were recorded twice per week, along with body weights as an index of toxicity. Blood glucose levels were recorded before dosing and once per week. Data are expressed as mean values plus or minus standard errors as a function of time. Statistical significance of observed differences was evaluated by repeated measures analysis of variance (RMANOVA) followed by Scheffe post hoc testing for multiple comparisons.
  • 35
    • 79953280241 scopus 로고    scopus 로고
    • note
    • 50 (0.69 μM) determined in the Calu-6 proliferation assay.
  • 38
    • 79953268329 scopus 로고    scopus 로고
    • Higher doses (200 mg/kg b.i.d.) were tolerated in an engineered IGF-1R-dependent 32D tumor xenograft study (Refs. 2b and 15), but were not tolerated in the longer term Calu-6 xenograft study. Data not shown
    • Higher doses (200 mg/kg b.i.d.) were tolerated in an engineered IGF-1R-dependent 32D tumor xenograft study (Refs. 2b and 15), but were not tolerated in the longer term Calu-6 xenograft study. Data not shown.
  • 39
    • 79953275780 scopus 로고    scopus 로고
    • note
    • (a) Blood glucose levels were checked at day 0, 9 and 21 within the Calu-6 xenograft study. No significant changes in blood glucose levels outside of the normal range were observed. (b) An insulin challenge test was done within the Calu-6 xenograft at day 17 of dosing. No significant differences were noted (at either the 30 or 100 mg/kg doses) in the ability of the animals to respond to insulin by modulating blood glucose. It is possible that at the 100 mg/kg dose of compound 26, the level of insulin receptor inhibition is not complete enough to result in metabolic effects.
  • 40
    • 56749184290 scopus 로고    scopus 로고
    • Recent data suggests that the inhibition of both IGF-1R and InsR may be desirable. See for example: M. Pollak Nat. Rev. Cancer 8 2008 915
    • (2008) Nat. Rev. Cancer , vol.8 , pp. 915
    • Pollak, M.1
  • 46
    • 79953269803 scopus 로고    scopus 로고
    • 1H NMR and were determined to be of >95% purity by reverse phase HPLC
    • 1H NMR and were determined to be of >95% purity by reverse phase HPLC.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.