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26
Steinbach JH, Bracamontes J, Yu L, Zhang P, Covey DF. Subunit-specific action of an anticonvulsant thiobutyrolactone on recombinant glycine receptors involves a residue in the M2 membrane-spanning region. Mol Pharmacol 2000;58:11-7. [PMID: 10860922 DOI: 10.1124/mol.58.1.11] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]  Open
27
Jiang X, Wang C, Hu Y, Hu H, Covey DF. A practical and facile route for the preparation of 18-norandrostan-17-ones from androstan-17-ones using SmI(2)-promoted cyclization and dehydroxylation. J Org Chem 2000;65:3555-7. [PMID: 10843648 DOI: 10.1021/jo991906u] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
28
Covey DF, Nathan D, Kalkbrenner M, Nilsson KR, Hu Y, Zorumski CF, Evers AS. Enantioselectivity of pregnanolone-induced gamma-aminobutyric acid(A) receptor modulation and anesthesia. J Pharmacol Exp Ther 2000;293:1009-16. [PMID: 10869405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]  Open
29
Shen W, Mennerick S, Covey DF, Zorumski CF. Pregnenolone sulfate modulates inhibitory synaptic transmission by enhancing GABA(A) receptor desensitization. J Neurosci 2000;20:3571-9. [PMID: 10804198 PMCID: PMC6772674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]  Open
30
Xu W, Cormier R, Fu T, Covey DF, Isenberg KE, Zorumski CF, Mennerick S. Slow death of postnatal hippocampal neurons by GABA(A) receptor overactivation. J Neurosci 2000;20:3147-56. [PMID: 10777778 PMCID: PMC6773103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]  Open
31
Zeng C, Han M, Covey DF. Neurosteroid analogues. 7. A synthetic route for the conversion of 5 beta-methyl-3-ketosteroids into 7(S)-methyl-substituted analogues of neuroactive benz[e]indenes. J Org Chem 2000;65:2264-6. [PMID: 10774062 DOI: 10.1021/jo991953m] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
32
Hill MW, de la Cruz MA, Covey DF, Rothman SM. Effects of anticonvulsant lactams on in vitro seizures in the hippocampal slice preparation. Epilepsy Res 1999;37:121-31. [PMID: 10510978 DOI: 10.1016/s0920-1211(99)00041-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
33
Nakashima YM, Pereverzev A, Schneider T, Covey DF, Lingle CJ. Blockade of Ba2+ current through human alpha1E channels by two steroid analogs, (+)-ACN and (+)-ECN. Neuropharmacology 1999;38:843-55. [PMID: 10465688 DOI: 10.1016/s0028-3908(99)00013-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
34
Luker GD, Nilsson KR, Covey DF, Piwnica-Worms D. Multidrug resistance (MDR1) P-glycoprotein enhances esterification of plasma membrane cholesterol. J Biol Chem 1999;274:6979-91. [PMID: 10066752 DOI: 10.1074/jbc.274.11.6979] [Citation(s) in RCA: 92] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]  Open
35
Shen W, Mennerick S, Zorumski EC, Covey DF, Zorumski CF. Pregnenolone sulfate and dehydroepiandrosterone sulfate inhibit GABA-gated chloride currents in Xenopus oocytes expressing picrotoxin-insensitive GABA(A) receptors. Neuropharmacology 1999;38:267-71. [PMID: 10218867 DOI: 10.1016/s0028-3908(98)00172-5] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
36
Todorovic SM, Prakriya M, Nakashima YM, Nilsson KR, Han M, Zorumski CF, Covey DF, Lingle CJ. Enantioselective blockade of T-type Ca2+ current in adult rat sensory neurons by a steroid that lacks gamma-aminobutyric acid-modulatory activity. Mol Pharmacol 1998;54:918-27. [PMID: 9804627 DOI: 10.1124/mol.54.5.918] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]  Open
37
Nakashima YM, Todorovic SM, Covey DF, Lingle CJ. The anesthetic steroid (+)-3alpha-hydroxy-5alpha-androstane-17beta-carbonitrile blocks N-, Q-, and R-type, but not L- and P-type, high voltage-activated Ca2+ current in hippocampal and dorsal root ganglion neurons of the rat. Mol Pharmacol 1998;54:559-68. [PMID: 9730915 DOI: 10.1124/mol.54.3.559] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]  Open
38
Yamada KA, Hill MW, Hu Y, Covey DF. The diazoxide derivative 7-chloro-3-methyl-3,4-dihydro-2H-1,2,4-benzothiadiazine-S,S-dioxide augments AMPA- and GABA-mediated synaptic responses in cultured hippocampal neurons. Neurobiol Dis 1998;5:196-205. [PMID: 9848091 DOI: 10.1006/nbdi.1998.0196] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]  Open
39
Hill MW, Reddy PA, Covey DF, Rothman SM. Contribution of subsaturating GABA concentrations to IPSCs in cultured hippocampal neurons. J Neurosci 1998;18:5103-11. [PMID: 9651194 PMCID: PMC6793480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/1998] [Revised: 04/08/1998] [Accepted: 04/24/1998] [Indexed: 02/08/2023]  Open
40
Nilsson KR, Zorumski CF, Covey DF. Neurosteroid analogues. 6. The synthesis and GABAA receptor pharmacology of enantiomers of dehydroepiandrosterone sulfate, pregnenolone sulfate, and (3alpha,5beta)-3-hydroxypregnan-20-one sulfate. J Med Chem 1998;41:2604-13. [PMID: 9651164 DOI: 10.1021/jm980148h] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
41
Hill MW, Reddy PA, Covey DF, Rothman SM. Inhibition of voltage-dependent sodium channels by the anticonvulsant gamma-aminobutyric acid type A receptor modulator, 3-benzyl-3-ethyl-2-piperidinone. J Pharmacol Exp Ther 1998;285:1303-9. [PMID: 9618437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]  Open
42
Zorumski CF, Mennerick SJ, Covey DF. Enantioselective modulation of GABAergic synaptic transmission by steroids and benz[e]indenes in hippocampal microcultures. Synapse 1998;29:162-71. [PMID: 9593106 DOI: 10.1002/(sici)1098-2396(199806)29:2<162::aid-syn7>3.0.co;2-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
43
Yamada KA, Covey DF, Hsu CY, Hu R, Hu Y, He YY. The diazoxide derivative IDRA 21 enhances ischemic hippocampal neuron injury. Ann Neurol 1998;43:664-9. [PMID: 9585363 DOI: 10.1002/ana.410430517] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
44
Canney DJ, Lu HF, McKeon AC, Yoon KW, Xu K, Holland KD, Rothman SM, Ferrendelli JA, Covey DF. Structure-activity studies of fluoroalkyl-substituted gamma-butyrolactone and gamma-thiobutyrolactone modulators of GABA(A) receptor function. Bioorg Med Chem 1998;6:43-55. [PMID: 9502104 DOI: 10.1016/s0968-0896(97)10006-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
45
Williams KL, Tucker JB, White G, Weiss DS, Ferrendelli JA, Covey DF, Krause JE, Rothman SM. Lactone modulation of the gamma-aminobutyric acid A receptor: evidence for a positive modulatory site. Mol Pharmacol 1997;52:114-9. [PMID: 9224820 DOI: 10.1124/mol.52.1.114] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]  Open
46
Gross RA, Covey DF, Ferrendelli JA. Voltage-dependent calcium channels as targets for convulsant and anticonvulsant alkyl-substituted thiobutyrolactones. J Pharmacol Exp Ther 1997;280:686-94. [PMID: 9023280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]  Open
47
Reddy PA, Woodward KE, McIlheran SM, Hsiang BC, Latifi TN, Hill MW, Rothman SM, Ferrendelli JA, Covey DF. Synthesis and anticonvulsant activities of 3,3-dialkyl- and 3-alkyl-3-benzyl-2-piperidinones (delta-valerolactams) and hexahydro-2H-azepin-2-ones (epsilon-caprolactams). J Med Chem 1997;40:44-9. [PMID: 9016327 DOI: 10.1021/jm960561u] [Citation(s) in RCA: 38] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
48
Wittmer LL, Hu Y, Kalkbrenner M, Evers AS, Zorumski CF, Covey DF. Enantioselectivity of steroid-induced gamma-aminobutyric acidA receptor modulation and anesthesia. Mol Pharmacol 1996;50:1581-6. [PMID: 8967980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]  Open
49
Han M, Zorumski CF, Covey DF. Neurosteroid analogues. 4. The effect of methyl substitution at the C-5 and C-10 positions of neurosteroids on electrophysiological activity at GABAA receptors. J Med Chem 1996;39:4218-32. [PMID: 8863799 DOI: 10.1021/jm960304p] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
50
Reddy PA, Hsiang BC, Latifi TN, Hill MW, Woodward KE, Rothman SM, Ferrendelli JA, Covey DF. 3,3-Dialkyl- and 3-alkyl-3-benzyl-substituted 2-pyrrolidinones: a new class of anticonvulsant agents. J Med Chem 1996;39:1898-906. [PMID: 8627613 DOI: 10.1021/jm9600196] [Citation(s) in RCA: 77] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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