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Colclough N, Alluri RV, Tucker JW, Gozalpour E, Li D, Du H, Li W, Harlfinger S, O'Neill DJ, Sproat GG, Chen K, Yan Y, McGinnity DF. Utilizing a Dual Human Transporter MDCKII-MDR1-BCRP Cell Line to Assess Efflux at the Blood Brain Barrier. Drug Metab Dispos 2024; 52:95-105. [PMID: 38071533 DOI: 10.1124/dmd.123.001476] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/24/2023] [Accepted: 11/27/2023] [Indexed: 12/22/2023] Open
Abstract
To facilitate the design of drugs readily able to cross the blood brain barrier (BBB), a Madin-Darby canine kidney (MDCK) cell line was established that over expresses both P-glycoprotein (Pgp) and breast cancer resistance protein (BCRP), the main human efflux transporters of the BBB. Proteomics analyses indicate BCRP is expressed at a higher level than Pgp in this cell line. This cell line shows good activity for both transporters [BCRP substrate dantrolene efflux ratio (ER) 16.3 ± 0.9, Pgp substrate quinidine ER 27.5 ± 1.2], and use of selective transporter inhibitors enables an assessment of the relative contributions to overall ERs. The MDCKII-MDR1-BCRP ER negatively correlates with rat unbound brain/unbound plasma ratio, Kpuu Highly brain penetrant compounds with rat Kpuu ≥ 0.3 show ERs ≤ 2 in the MDCKII-MDR1-BCRP assay while compounds predominantly excluded from the brain, Kpuu ≤ 0.05, demonstrate ERs ≥ 20. A subset of compounds with MDCKII-MDR1-BCRP ER < 2 and rat Kpuu < 0.3 were shown to be substrates of rat Pgp using a rat transfected cell line, MDCKII-rMdr1a. These compounds also showed ERs > 2 in the human National Institutes of Health (NIH) MDCKI-MDR1 (high Pgp expression) cell line, which suggests that they are weak human Pgp substrates. Characterization of 37 drugs targeting the central nervous system in the MDCKII-MDR1-BCRP efflux assay show 36 have ERs < 2. In drug discovery, use of the MDCKII-MDR1-BCRP in parallel with the NIH MDCKI-MDR1 cell line is useful for identification of compounds with high brain penetration. SIGNIFICANCE STATEMENT: A single cell line that includes both the major human efflux transporters of the blood brain barrier (MDCKII-MDR1-BCRP) has been established facilitating the rapid identification of efflux substrates and enabling the design of brain penetrant molecules. Efflux ratios using this cell line demonstrate a clear relationship with brain penetration as defined by rat brain Kpuu.
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Affiliation(s)
- Nicola Colclough
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
| | - Ravindra V Alluri
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
| | - James W Tucker
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
| | - Elnaz Gozalpour
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
| | - Danxi Li
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
| | - Hongwen Du
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
| | - Wei Li
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
| | - Stephanie Harlfinger
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
| | - Daniel J O'Neill
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
| | - Graham G Sproat
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
| | - Kan Chen
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
| | - Yumei Yan
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
| | - Dermot F McGinnity
- DMPK, Oncology R & D, AstraZeneca, Cambridge, United Kingdom (N.C., J.W.T., E.G., S.H., D.F.M.); Clinical Pharmacology and Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (R.V.A.); DMPK, Pharmaron, Beijing, China (D.L., H.D., W.L.); Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Cambridge, United Kingdom (D.J.O., G.G.S.); and DMPK Asia, Oncology R & D, AstraZeneca, Shanghai, China (K.C., Y.Y.)
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