Ronald M. Baldwin, Ph.D.

Position: Research Associate Professor

Department: Radiology and Radiological Sciences

Lab Url: N/A

Email: ronald.baldwin@vanderbilt.edu

Office Address:
Office Address2: MCN CCC-1118
1161 21st Avenue South
Nashville , TN 37232-2675
Phone :(615) 936-2817
Fax: 615-322-3764

Lab Address: 1268D RRB


Ronald M. Baldwin's picture
  Ronald M. Baldwin, Ph.D.
Patient Care Specialty
radiochemistry organic chemistry radiopharmaceutical development,Biochemistry,Molecular medicine

Research Specialty
Radiopharmaceutical research for developing and understanding radiotracers for positron emission tomography (PET) imaging in vivo

Publications
Baldwin, RM, Zoghbi, SS, Staley, JK, Brenner, E, Al-Tikriti, MS, Amici, L, Fujita, M, Innis, RB, Tamagnan, G. Chemical fate of the nicotinic acetylcholinergic radiotracer [123I]5-IA-85380 in baboon brain and plasma. Nucl Med Biol, 33(4), 549-54, 2006

de Paulis, T, Hemstapat, K, Chen, Y, Zhang, Y, Saleh, S, Alagille, D, Baldwin, RM, Tamagnan, GD, Conn, PJ. Substituent effects of N-(1,3-diphenyl-1H-pyrazol-5-yl)benzamides on positive allosteric modulation of the metabotropic glutamate-5 receptor in rat cortical astrocytes. J Med Chem, 49(11), 3332-44, 2006

Alagille, D, Baldwin, RM, Roth, BL, Wroblewski, JT, Grajkowska, E, Tamagnan, GD. Synthesis and receptor assay of aromatic-ethynyl-aromatic derivatives with potent mGluR5 antagonist activity. Bioorg Med Chem, 13(1), 197-209, 2005

Alagille, D, Baldwin, RM, Roth, BL, Wroblewski, JT, Grajkowska, E, Tamagnan, GD. Functionalization at position 3 of the phenyl ring of the potent mGluR5 noncompetitive antagonists MPEP. Bioorg Med Chem Lett, 15(4), 945-9, 2005

Baldwin, RM. Imaging MAO-A levels by PET using the deuterium isotope effect. J Nucl Med, 46(9), 1411-3, 2005

Best, SE, Sarrel, PM, Malison, RT, Laruelle, M, Zoghbi, SS, Baldwin, RM, Seibyl, JP, Innis, RB, van Dyck, CH. Striatal dopamine transporter availability with [(123)I]beta-CIT SPECT is unrelated to gender or menstrual cycle. Psychopharmacology (Berl), 183(2), 181-9, 2005

Brenner, E, Baldwin, RM, Tamagnan, G. Asymmetric synthesis of (+)-(S,S)-reboxetine via a new (S)-2-(hydroxymethyl)morpholine preparation. Org Lett, 7(5), 937-9, 2005

Riccardi, P, Li, R, Ansari, MS, Zald, D, Park, S, Dawant, B, Anderson, S, Doop, M, Woodward, N, Schoenberg, E, Schmidt, D, Baldwin, R, Kessler, R. Amphetamine-Induced Displacement of [(18)F] Fallypride in Striatum and Extrastriatal Regions in Humans. Neuropsychopharmacology, 31(5), 1016-1026, 2005

Staley, JK, Gottschalk, C, Petrakis, IL, Gueorguieva, R, O''Malley, S, Baldwin, R, Jatlow, P, Verhoeff, NP, Perry, E, Weinzimmer, D, Frohlich, E, Ruff, E, van Dyck, CH, Seibyl, JP, Innis, RB, Krystal, JH. Cortical gamma-aminobutyric acid type A-benzodiazepine receptors in recovery from alcohol dependence: relationship to features of alcohol dependence and cigarette smoking. Arch Gen Psychiatry, 62(8), 877-88, 2005

Staley, JK, Sanacora, G, Tamagnan, G, Maciejewski, PK, Malison, RT, Berman, RM, Vythilingam, M, Kugaya, A, Baldwin, RM, Seibyl, JP, Charney, D, Innis, RB. Sex Differences in Diencephalon Serotonin Transporter Availability in Major Depression. Biol Psychiatry, 59(1), 40-47, 2005

Staley, JK, van Dyck, CH, Weinzimmer, D, Brenner, E, Baldwin, RM, Tamagnan, GD, Riccardi, P, Mitsis, E, Seibyl, JP. 123I-5-IA-85380 SPECT measurement of nicotinic acetylcholine receptors in human brain by the constant infusion paradigm: feasibility and reproducibility. J Nucl Med, 46(9), 1466-72, 2005

Tamagnan, G, Alagille, D, Fu, X, Kula, NS, Baldessarini, RJ, Innis, RB, Baldwin, RM. Synthesis and monoamine transporter affinity of new 2beta-carbomethoxy-3beta-[4-(substituted thiophenyl)]phenyltropanes: discovery of a selective SERT antagonist with picomolar potency. Bioorg Med Chem Lett, 15(4), 1131-3, 2005

Tamagnan, G, Alagille, D, Fu, X, Kula, NS, Baldessarini, RJ, Innis, RB, Baldwin, RM. Synthesis and monoamine transporter affinity of new 2beta-carbomethoxy-3beta-[aryl or heteroaryl]phenyltropanes. Bioorg Med Chem Lett, , , 2005

van Dyck, CH, Malison, RT, Jacobsen, LK, Seibyl, JP, Staley, JK, Laruelle, M, Baldwin, RM, Innis, RB, Gelernter, J. Increased dopamine transporter availability associated with the 9-repeat allele of the SLC6A3 gene. J Nucl Med, 46(5), 745-51, 2005

Bois, Frederic, Baldwin, Ronald M, Kula, Nora S, Baldessarini, Ross J, Innis, Robert B, Tamagnan, Gilles. Synthesis and monoamine transporter affinity of 3''-analogs of 2-beta-carbomethoxy-3-beta-(4''-iodophenyl)tropane (beta-CIT). Bioorg Med Chem Lett, 14(9), 2117-20, 2004

Chaly, Thomas, Baldwin, R M, Neumeyer, John L, Hellman, Matthew J, Dhawan, Vijay, Garg, Pradeep K, Tamagnan, Gilles, Staley, Julie K, Al-Tikriti, Mohammed S, Hou, Yankun, Zoghbi, Sami S, Gu, Xiao Hui, Zong, R, Eidelberg, David. Radiosynthesis of [18F] N-(3-Fluoropropyl)-2-beta-Carbomethoxy-3-beta-(4-Bromophenyl) Nortropane and the regional brain uptake in non human primate using PET. Nucl Med Biol, 31(1), 125-31, 2004

Fujita, Masahiro, Southwick, Steven M, Denucci, Christopher C, Zoghbi, Sami S, Dillon, Martha S, Baldwin, Ronald M, Bozkurt, Ali, Kugaya, Akira, Verhoeff, N Paul L G, Seibyl, John P, Innis, Robert B. Central type benzodiazepine receptors in Gulf War veterans with posttraumatic stress disorder. Biol Psychiatry, 56(2), 95-100, 2004

Kugaya, Akira, Sanacora, Gerard, Staley, Julie K, Malison, Robert T, Bozkurt, Ali, Khan, Shaukat, Anand, Amit, Van Dyck, Christopher H, Baldwin, Ronald M, Seibyl, John P, Charney, Dennis, Innis, Robert B. Brain serotonin transporter availability predicts treatment response to selective serotonin reuptake inhibitors. Biol Psychiatry, 56(7), 497-502, 2004

Tokuno, Hajime A, Bradberry, Charles W, Everill, Brian, Agulian, Samuel K, Wilkes, Steven, Baldwin, Ronald M, Tamagnan, Gilles D, Kocsis, Jeffery D. Local anesthetic effects of cocaethylene and isopropylcocaine on rat peripheral nerves. Brain Res, 996(2), 159-67, 2004

van Dyck, Christopher H, Malison, Robert T, Staley, Julie K, Jacobsen, Leslie K, Seibyl, John P, Laruelle, Marc, Baldwin, Ronald M, Innis, Robert B, Gelernter, Joel. Central serotonin transporter availability measured with [123I]beta-CIT SPECT in relation to serotonin transporter genotype. Am J Psychiatry, 161(3), 525-31, 2004

Baldwin, Ronald M, Fu, Xing, Kula, Nora S, Baldessarini, Ross J, Amici, Louis, Innis, Robert B, Tamagnan, Gilles D. Synthesis and affinity of a possible byproduct of electrophilic radiolabeling of [123I]IBZM. Bioorg Med Chem Lett, 13(22), 4015-7, 2003

Fujita, Masahiro, Al-Tikriti, Mohammed S, Tamagnan, Gilles, Zoghbi, Sami S, Bozkurt, Ali, Baldwin, Ronald M, Innis, Robert B. Influence of acetylcholine levels on the binding of a SPECT nicotinic acetylcholine receptor ligand [123I]5-I-A-85380. Synapse, 48(3), 116-22, 2003

Fujita, Masahiro, Ichise, Masanori, van Dyck, Christopher H, Zoghbi, Sami S, Tamagnan, Gilles, Mukhin, Alexey G, Bozkurt, Ali, Seneca, Nicholas, Tipre, Dnyanesh, DeNucci, Christopher C, Iida, Hidehiro, Vaupel, D Bruce, Horti, Andrew G, Koren, Andrei O, Kimes, Alane S, London, Edythe D, Seibyl, John P, Baldwin, Ronald M, Innis, Robert B. Quantification of nicotinic acetylcholine receptors in human brain using [123I]5-I-A-85380 SPET. Eur J Nucl Med Mol Imaging, 30(12), 1620-9, 2003

Kugaya, Akira, Sanacora, Gerard, Verhoeff, Nicolaas P L G, Fujita, Masahiro, Mason, Graeme F, Seneca, Nicholas M, Bozkurt, Ali, Khan, Shaukat A, Anand, Amit, Degen, Kathleen, Charney, Dennis S, Zoghbi, Sami S, Baldwin, Ronald M, Seibyl, John P, Innis, Robert B. Cerebral benzodiazepine receptors in depressed patients measured with [123I]iomazenil SPECT. Biol Psychiatry, 54(8), 792-9, 2003

Kugaya, Akira, Seneca, Nicholas M, Snyder, Peter J, Williams, Stephen A, Malison, Robert T, Baldwin, Ronald M, Seibyl, John P, Innis, Robert B. Changes in human in vivo serotonin and dopamine transporter availabilities during chronic antidepressant administration. Neuropsychopharmacology, 28(2), 413-20, 2003

Fu, Xing, Tan, Ping-Zhong, Kula, Nora S, Baldessarini, Ross, Tamagnan, Gilles, Innis, Robert B, Baldwin, Ronald M. Synthesis, receptor potency, and selectivity of halogenated diphenylpiperidines as serotonin 5-HT2A ligands for PET or SPECT brain imaging. J Med Chem, 45(11), 2319-24, 2002

Fujita, Masahiro, Seibyl, John P, Vaupel, D Bruce, Tamagnan, Gilles, Early, Michele, Zoghbi, Sami S, Baldwin, Ronald M, Horti, Andrew G, KoreN, Andrei O, Mukhin, Alexey G, Khan, Shaukat, Bozkurt, Ali, Kimes, Alane S, London, Edythe D, Innis, Robert B. Whole-body biodistribution, radiation absorbed dose, and brain SPET imaging with [123i]5-i-A-85380 in healthy human subjects. Eur J Nucl Med Mol Imaging, 29(2), 183-90, 2002

Ogier, Lionel, Turpin, Fr??d??ric, Baldwin, Ronald M, Rich??, Fran??oise, Law, Ho, Innis, Robert B, Tamagnan, Gilles. Rearrangement of a mesylate tropane intermediate in nucleophilic substitution reactions. Synthesis of aza-bicyclo[3.2.1]octane and aza-bicyclo[3.2.2]nonane ethers, imides, and amines. J Org Chem, 67(11), 3637-42, 2002

van Dyck, Christopher H, Quinlan, Donald M, Cretella, Lisa M, Staley, Julie K, Malison, Robert T, Baldwin, Ronald M, Seibyl, John P, Innis, Robert B. Unaltered dopamine transporter availability in adult attention deficit hyperactivity disorder. Am J Psychiatry, 159(2), 309-12, 2002

van Dyck, Christopher H, Seibyl, John P, Malison, Robert T, Laruelle, Marc, Zoghbi, Sami S, Baldwin, Ronald M, Innis, Robert B. Age-related decline in dopamine transporters: analysis of striatal subregions, nonlinear effects, and hemispheric asymmetries. Am J Geriatr Psychiatry, 10(1), 36-43, 2002

Soares, J C, van Dyck, C H, Tan, P, Zoghbi, S S, Garg, P, Soufer, R, Baldwin, R M, Fujita, M, Staley, J K, Fu, X, Amici, L, Seibyl, J, Innis, R B. Reproducibility of in vivo brain measures of 5-HT2A receptors with PET and. Psychiatry Res, 106(2), 81-93, 2001

Staley, J K, Van Dyck, C H, Tan, P Z, Al Tikriti, M, Ramsby, Q, Klump, H, Ng, C, Garg, P, Soufer, R, Baldwin, R M, Innis, R B. Comparison of [(18)F]altanserin and [(18)F]deuteroaltanserin for PET imaging of serotonin(2A) receptors in baboon brain: pharmacological studies. Nucl Med Biol, 28(3), 271-9, 2001

Bremner, JD, Horti, A, Staib, LH, Zea-Ponce, Y, Soufer, R, Charney, DS, Baldwin, R. Kinetic modeling of benzodiazepine receptor binding with PET and high specific activity [(11)C]Iomazenil in healthy human subjects. Synapse, 35(1), 68-77, 2000

Bremner, JD, Innis, RB, White, T, Fujita, M, Silbersweig, D, Goddard, AW, Staib, L, Stern, E, Cappiello, A, Woods, S, Baldwin, R, Charney, DS. SPECT [I-123]iomazenil measurement of the benzodiazepine receptor in panic disorder. Biol Psychiatry, 47(2), 96-106, 2000

Castner, SA, al-Tikriti, MS, Baldwin, RM, Seibyl, JP, Innis, RB, Goldman-Rakic, PS. Behavioral changes and [123I]IBZM equilibrium SPECT measurement of amphetamine-induced dopamine release in rhesus monkeys exposed to subchronic amphetamine. Neuropsychopharmacology, 22(1), 4-13, 2000

Fujita, M, Tamagnan, G, Zoghbi, S S, Al-Tikriti, M S, Baldwin, R M, Seibyl, J P, Innis, R B. Measurement of alpha4beta2 nicotinic acetylcholine receptors with [123I]5-I-A-85380 SPECT. J Nucl Med, 41(9), 1552-60, 2000

Fujita, M, Verhoeff, NP, Varrone, A, Zoghbi, SS, Baldwin, RM, Jatlow, PA, Anderson, GM, Seibyl, JP, Innis, RB. Imaging extrastriatal dopamine D(2) receptor occupancy by endogenous dopamine in healthy humans. Eur J Pharmacol, 387(2), 179-88, 2000

Scanley, BE, Gandelman, MS, Laruelle, M, Al-Tikriti, MS, Baldwin, RM, Zoghbi, SS, Hoffer, PB, Wang, S, Neumeyer, JL, Innis, RB. [123I]IPCIT and [123I]beta-CIT as SPECT tracers for the dopamine transporter: a comparative analysis in nonhuman primates. Nucl Med Biol, 27(1), 13-21, 2000

Staley, J K, Tamagnan, G, Baldwin, R M, Fujita, M, Al Tikriti, M S, Eshima, L, Thornback, J, Roe, D, Lu, L, Seibyl, J P, Innis, R B. SPECT imaging with the D(4) receptor antagonist L-750,667 in nonhuman primate brain. Nucl Med Biol, 27(6), 547-56, 2000

Tamagnan, G, Baldwin, R M, Kula, N S, Baldessarini, R J, Innis, R B. Synthesis and monoamine transporter affinity of 2beta-carbomethoxy-3beta-(2''''-, 3''''- or 4''''-substituted) biphenyltropanes. Bioorg Med Chem Lett, 10(16), 1783-5, 2000

Tamagnan, G, Baldwin, RM, Kula, NS, Baldessarini, RJ, Innis, RB. Cyclopentadienyltricarbonylrheniumbenzazepines: synthesis and binding affinity. Bioorg Med Chem Lett, 10(10), 1113-5, 2000

Varrone, A, Fujita, M, Verhoeff, NP, Zoghbi, SS, Baldwin, RM, Rajeevan, N, Charney, DS, Seibyl, JP, Innis, RB. Test-retest reproducibility of extrastriatal dopamine D2 receptor imaging with [123I]epidepride SPECT in humans. J Nucl Med, 41(8), 1343-51, 2000

van Dyck CH, , Soares, J C, Tan, P, Staley, J K, Baldwin, R M, Amici, L A, Fu, X, Garg, P K, Seibyl, J P, Charney, D S, Innis, R B. Equilibrium modeling of 5-HT(2A) receptors with [18F]deuteroaltanserin and PET: feasibility of a constant infusion paradigm. Nucl Med Biol, 27(8), 715-22, 2000

van Dyck, CH, Malison, RT, Seibyl, JP, Laruelle, M, Klumpp, H, Zoghbi, SS, Baldwin, RM, Innis, RB. Age-related decline in central serotonin transporter availability with [(123)I]beta-CIT SPECT. Neurobiol Aging, 21(4), 497-501, 2000

van Dyck, CH, Tan, PZ, Baldwin, RM, Amici, LA, Garg, PK, Ng, CK, Soufer, R, Charney, DS, Innis, RB. PET quantification of 5-HT2A receptors in the human brain: a constant infusion paradigm with [18F]altanserin. J Nucl Med, 41(2), 234-41, 2000

Abi-Dargham, A, Laruelle, M, Krystal, J, D''Souza, C, Zoghbi, S, Baldwin, RM, Seibyl, J, Mawlawi, O, de Erasquin, G, Charney, D, Innis, RB. No evidence of altered in vivo benzodiazepine receptor binding in schizophrenia. Neuropsychopharmacology, 20(6), 650-61, 1999

Bremner, JD, Baldwin, R, Horti, A, Staib, LH, Ng, CK, Tan, PZ, Zea-Ponce, Y, Zoghbi, S, Seibyl, JP, Soufer, R, Charney, DS, Innis, RB. Quantitation of benzodiazepine receptor binding with PET [11C]iomazenil and SPECT [123I]iomazenil: preliminary results of a direct comparison in healthy human subjects. Psychiatry Res, 91(2), 79-91, 1999

Fujita, M, Seibyl, JP, Verhoeff, NP, Ichise, M, Baldwin, RM, Zoghbi, SS, Burger, C, Staley, JK, Rajeevan, N, Charney, DS, Innis, RB. Kinetic and equilibrium analyses of [(123)I]epidepride binding to striatal and extrastriatal dopamine D(2) receptors. Synapse, 34(4), 290-304, 1999

Fujita, M, Woods, SW, Verhoeff, NP, Abi-Dargham, A, Baldwin, RM, Zoghbi, SS, Soares, JC, Jatlow, PA, Krystal, JH, Rajeevan, N, Charney, DS, Seibyl, JP, Innis, RB. Changes of benzodiazepine receptors during chronic benzodiazepine administration in humans. Eur J Pharmacol, 368(2-3), 161-72, 1999

Tan, PZ, Baldwin, RM, Soufer, R, Garg, PK, Charney, DS, Innis, RB. A complete remote-control system for reliable preparation of [18F]altanserin. Appl Radiat Isot, 50(5), 923-7, 1999

Tan, PZ, Baldwin, RM, Van Dyck, CH, Al-Tikriti, M, Roth, B, Khan, N, Charney, DS, Innis, RB. Characterization of radioactive metabolites of 5-HT2A receptor PET ligand [18F]altanserin in human and rodent. Nucl Med Biol, 26(6), 601-8, 1999

Abi-Dargham, A, Gil, R, Krystal, J, Baldwin, RM, Seibyl, JP, Bowers, M, van Dyck, CH, Charney, DS, Innis, RB, Laruelle, M. Increased striatal dopamine transmission in schizophrenia: confirmation in a second cohort. Am J Psychiatry, 155(6), 761-7, 1998

Abi-Dargham, A, Krystal, JH, Anjilvel, S, Scanley, BE, Zoghbi, S, Baldwin, RM, Rajeevan, N, Ellis, S, Petrakis, IL, Seibyl, JP, Charney, DS, Laruelle, M, Innis, RB. Alterations of benzodiazepine receptors in type II alcoholic subjects measured with SPECT and [123I]iomazenil. Am J Psychiatry, 155(11), 1550-5, 1998

Malison, RT, Best, SE, van Dyck, CH, McCance, EF, Wallace, EA, Laruelle, M, Baldwin, RM, Seibyl, JP, Price, LH, Kosten, TR, Innis, RB. Elevated striatal dopamine transporters during acute cocaine abstinence as measured by [123I] beta-CIT SPECT. Am J Psychiatry, 155(6), 832-4, 1998

Malison, RT, McCance, E, Carpenter, LL, Baldwin, RM, Seibyl, JP, Price, LH, Kosten, TR, Innis, RB. [123I]beta-CIT SPECT imaging of dopamine transporter availability after mazindol administration in human cocaine addicts. Psychopharmacology (Berl), 137(4), 321-5, 1998

Malison, RT, Price, LH, Berman, R, van Dyck, CH, Pelton, GH, Carpenter, L, Sanacora, G, Owens, MJ, Nemeroff, CB, Rajeevan, N, Baldwin, RM, Seibyl, JP, Innis, RB, Charney, DS. Reduced brain serotonin transporter availability in major depression as measured by [123I]-2 beta-carbomethoxy-3 beta-(4-iodophenyl)tropane and single photon emission computed tomography. Biol Psychiatry, 44(11), 1090-8, 1998

Seibyl, JP, Marek, K, Sheff, K, Zoghbi, S, Baldwin, RM, Charney, DS, van Dyck, CH, Innis, RB. Iodine-123-beta-CIT and iodine-123-FPCIT SPECT measurement of dopamine transporters in healthy subjects and Parkinson''s patients. J Nucl Med, 39(9), 1500-8, 1998

Abi-Dargham, A, Innis, RB, Wisniewski, G, Baldwin, RM, Neumeyer, JL, Seibyl, JP. Human biodistribution and dosimetry of iodine-123-fluoroalkyl analogs of beta-CIT. Eur J Nucl Med, 24(11), 1422-5, 1997

Abi-Dargham, A, Zea-Ponce, Y, Terriere, D, al-Tikriti, M, Baldwin, RM, Hoffer, P, Charney, D, Leysen, JE, Laruelle, M, Mertens, J, Innis, RB. Preclinical evaluation of [123I]R93274 as a SPECT radiotracer for imaging 5-HT2A receptors. Eur J Pharmacol, 321(3), 285-93, 1997

Laruelle, M, D''Souza, CD, Baldwin, RM, Abi-Dargham, A, Kanes, SJ, Fingado, CL, Seibyl, JP, Zoghbi, SS, Bowers, MB, Jatlow, P, Charney, DS, Innis, RB. Imaging D2 receptor occupancy by endogenous dopamine in humans. Neuropsychopharmacology, 17(3), 162-74, 1997

Laruelle, M, Iyer, RN, al-Tikriti, MS, Zea-Ponce, Y, Malison, R, Zoghbi, SS, Baldwin, RM, Kung, HF, Charney, DS, Hoffer, PB, Innis, RB, Bradberry, CW. Microdialysis and SPECT measurements of amphetamine-induced dopamine release in nonhuman primates. Synapse, 25(1), 1-14, 1997

Seibyl, JP, Marek, K, Sheff, K, Baldwin, RM, Zoghbi, S, Zea-Ponce, Y, Charney, DS, van Dyck, CH, Hoffer, PB, Innis, RB. Test/retest reproducibility of iodine-123-betaCIT SPECT brain measurement of dopamine transporters in Parkinson''s patients. J Nucl Med, 38(9), 1453-9, 1997

Zea-Ponce, Y, Baldwin, RM, Stratton, MD, al-Tikriti, M, Soufer, R, Schaus, JM, Innis, RB. Radiosynthesis and PET imaging of [N-methyl-11C]LY257327 as a tracer for 5-HT transporters. Nucl Med Biol, 24(3), 251-4, 1997

Abi-Dargham, A, Gandelman, MS, DeErausquin, GA, Zea-Ponce, Y, Zoghbi, SS, Baldwin, RM, Laruelle, M, Charney, DS, Hoffer, PB, Neumeyer, JL, Innis, RB. SPECT imaging of dopamine transporters in human brain with iodine-123-fluoroalkyl analogs of beta-CIT. J Nucl Med, 37(7), 1129-33, 1996

Laruelle, M, Abi-Dargham, A, van Dyck, CH, Gil, R, D''Souza, CD, Erdos, J, McCance, E, Rosenblatt, W, Fingado, C, Zoghbi, SS, Baldwin, RM, Seibyl, JP, Krystal, JH, Charney, DS, Innis, RB. Single photon emission computerized tomography imaging of amphetamine-induced dopamine release in drug-free schizophrenic subjects. Proc Natl Acad Sci U S A, 93(17), 9235-40, 1996

Marek, KL, Seibyl, JP, Zoghbi, SS, Zea-Ponce, Y, Baldwin, RM, Fussell, B, Charney, DS, van Dyck, C, Hoffer, PB, Innis, RP. [123I] beta-CIT/SPECT imaging demonstrates bilateral loss of dopamine transporters in hemi-Parkinson''s disease. Neurology, 46(1), 231-7, 1996

Seibyl, JP, Laruelle, M, van Dyck, CH, Wallace, E, Baldwin, RM, Zoghbi, S, Zea-Ponce, Y, Neumeyer, JL, Charney, DS, Hoffer, PB, Innis, RB. Reproducibility of iodine-123-beta-CIT SPECT brain measurement of dopamine transporters. J Nucl Med, 37(2), 222-8, 1996

Seibyl, JP, Zea-Ponce, Y, Brenner, L, Baldwin, RM, Krystal, JH, Offord, SJ, Mochoviak, S, Charney, DS, Hoffer, PB, Innis, RB. Continuous intravenous infusion of iodine-123-IBZM for SPECT determination of human brain dopamine receptor occupancy by antipsychotic agent RWJ-37796. J Nucl Med, 37(1), 11-5, 1996

van Dyck, CH, Seibyl, JP, Stubbs, JB, Zoghbi, S, Wisniewski, G, Baldwin, RM, Zea-Ponce, Y, Charney, DS, Hoffer, PB, Innis, RB. Human biodistribution and dosimetry of the SPECT D2 dopamine receptor radioligand [123I]IBF. Nucl Med Biol, 23(1), 9-16, 1996

Abi-Dargham, A, Gandelman, M, Zoghbi, SS, Laruelle, M, Baldwin, RM, Randall, P, Zea-Ponce, Y, Charney, DS, Hoffer, PB, Innis, RB. Reproducibility of SPECT measurement of benzodiazepine receptors in human brain with iodine-123-iomazenil. J Nucl Med, 36(2), 167-75, 1995

Baldwin, RM, Horti, AG, Bremner, JD, Stratton, MD, Dannals, RF, Ravert, HT, Zea-Ponce, Y, Ng, CK, Dey, HM, Soufer, R. Synthesis and PET imaging of the benzodiazepine receptor tracer [N-methyl-11C]iomazenil. Nucl Med Biol, 22(5), 659-65, 1995

Baldwin, RM, Zea-Ponce, Y, al-Tikriti, MS, Zoghbi, SS, Seibyl, JP, Charney, DS, Hoffer, PB, Wang, S, Milius, RA, Neumeyer, JL. Regional brain uptake and pharmacokinetics of [123I]N-omega-fluoroalkyl-2 beta-carboxy-3 beta-(4-iodophenyl)nortropane esters in baboons. Nucl Med Biol, 22(2), 211-9, 1995

Laruelle, M, Abi-Dargham, A, van Dyck, CH, Rosenblatt, W, Zea-Ponce, Y, Zoghbi, SS, Baldwin, RM, Charney, DS, Hoffer, PB, Kung, HF. SPECT imaging of striatal dopamine release after amphetamine challenge. J Nucl Med, 36(7), 1182-90, 1995

Malison, RT, McDougle, CJ, van Dyck, CH, Scahill, L, Baldwin, RM, Seibyl, JP, Price, LH, Leckman, JF, Innis, RB. [123I]beta-CIT SPECT imaging of striatal dopamine transporter binding in Tourette''s disorder. Am J Psychiatry, 152(9), 1359-61, 1995

Scanley, BE, al-Tikriti, MS, Gandelman, MS, Laruelle, M, Zea-Ponce, Y, Baldwin, RM, Zoghbi, SS, Hoffer, PB, Charney, DS, Wang, S. Comparison of [123I]beta-CIT and [123I]IPCIT as single-photon emission tomography radiotracers for the dopamine transporter in nonhuman primates. Eur J Nucl Med, 22(1), 4-11, 1995

Seibyl, JP, Marek, KL, Quinlan, D, Sheff, K, Zoghbi, S, Zea-Ponce, Y, Baldwin, RM, Fussell, B, Smith, EO, Charney, DS. Decreased single-photon emission computed tomographic [123I]beta-CIT striatal uptake correlates with symptom severity in Parkinson''s disease. Ann Neurol, 38(4), 589-98, 1995

Zea-Ponce, Y, Baldwin, RM, Laruelle, M, Wang, S, Neumeyer, JL, Innis, RB. Simplified multidose preparation of iodine-123-beta-CIT: a marker for dopamine transporters. J Nucl Med, 36(3), 525-9, 1995

al-Tikriti, MS, Zea-Ponce, Y, Baldwin, RM, Zoghbi, SS, Laruelle, M, Seibyl, JP, Giddings, SS, Scanley, BE, Charney, DS, Hoffer, PB. Characterization of the dopamine transporter in nonhuman primate brain: homogenate binding, whole body imaging, and ex vivo autoradiography using [125I] and [123I]IPCIT. Nucl Med Biol, 22(5), 649-58, 1995

van Dyck, CH, Seibyl, JP, Malison, RT, Laruelle, M, Wallace, E, Zoghbi, SS, Zea-Ponce, Y, Baldwin, RM, Charney, DS, Hoffer, PB. Age-related decline in striatal dopamine transporter binding with iodine-123-beta-CITSPECT. J Nucl Med, 36(7), 1175-81, 1995

Abi-Dargham, A, Laruelle, M, Seibyl, J, Rattner, Z, Baldwin, RM, Zoghbi, SS, Zea-Ponce, Y, Bremner, JD, Hyde, TM, Charney, DS. SPECT measurement of benzodiazepine receptors in human brain with iodine-123-iomazenil: kinetic and equilibrium paradigms. J Nucl Med, 35(2), 228-38, 1994

Baldwin, RM, Zea-Ponce, Y, Zoghbi, SS, al-Tikriti, MS, Seibyl, JP, Sybirska, EH, Malison, RT, Laruelle, M, Charney, DS, Hoffer, PB. Pharmacokinetics of the three radioiodinated dopamine D2 receptor ligands [123I]IBF, [123I]epidepride and [123I]2''-ISP in nonhuman primates. Nucl Med Biol, 21(7), 969-76, 1994

Gandelman, MS, Baldwin, RM, Zoghbi, SS, Zea-Ponce, Y, Innis, RB. Evaluation of ultrafiltration for the free-fraction determination of single photon emission computed tomography (SPECT) radiotracers: beta-CIT, IBF, and iomazenil. J Pharm Sci, 83(7), 1014-9, 1994

Laruelle, M, Abi-Dargham, A, al-Tikriti, MS, Baldwin, RM, Zea-Ponce, Y, Zoghbi, SS, Charney, DS, Hoffer, PB, Innis, RB. SPECT quantification of [123I]iomazenil binding to benzodiazepine receptors in nonhuman primates: II. Equilibrium analysis of constant infusion experiments and correlation with in vitro parameters. J Cereb Blood Flow Metab, 14(3), 453-65, 1994

Laruelle, M, Baldwin, RM, Innis, RB. SPECT imaging of dopamine and serotonin transporters in nonhuman primate brain. NIDA Res Monogr, 138, 131-59, 1994

Laruelle, M, Baldwin, RM, Rattner, Z, al-Tikriti, MS, Zea-Ponce, Y, Zoghbi, SS, Charney, DS, Price, JC, Frost, JJ, Hoffer, PB. SPECT quantification of [123I]iomazenil binding to benzodiazepine receptors in nonhuman primates: I. Kinetic modeling of single bolus experiments. J Cereb Blood Flow Metab, 14(3), 439-52, 1994

Laruelle, M, Giddings, SS, Zea-Ponce, Y, Charney, DS, Neumeyer, JL, Baldwin, RM, Innis, RB. Methyl 3 beta-(4-[125I]iodophenyl)tropane-2 beta-carboxylate in vitro binding to dopamine and serotonin transporters under "physiological" conditions. J Neurochem, 62(3), 978-86, 1994

Laruelle, M, Wallace, E, Seibyl, JP, Baldwin, RM, Zea-Ponce, Y, Zoghbi, SS, Neumeyer, JL, Charney, DS, Hoffer, PB, Innis, RB. Graphical, kinetic, and equilibrium analyses of in vivo [123I] beta-CIT binding to dopamine transporters in healthy human subjects. J Cereb Blood Flow Metab, 14(6), 982-94, 1994

Laruelle, M, al-Tikriti, MS, Zea-Ponce, Y, Zoghbi, SS, Baldwin, RM, Charney, DS, Hoffer, PB, Kung, HF, Innis, RB. In vivo quantification of dopamine D2 receptor parameters in nonhuman primates with [123I]iodobenzofuran and single photon emission computerized tomography. Eur J Pharmacol, 263(1-2), 39-51, 1994

Laruelle, M, van Dyck, C, Abi-Dargham, A, Zea-Ponce, Y, Zoghbi, SS, Charney, DS, Baldwin, RM, Hoffer, PB, Kung, HF, Innis, RB. Compartmental modeling of iodine-123-iodobenzofuran binding to dopamine D2 receptors in healthy subjects. J Nucl Med, 35(5), 743-54, 1994

Scanley, BE, Baldwin, RM, Laruelle, M, al-Tikriti, MS, Zea-Ponce, Y, Zoghbi, S, Giddings, SS, Charney, DS, Hoffer, PB, Wang, S. Active and inactive enantiomers of 2 beta-carbomethoxy-3 beta-(4-iodophenyl)tropane: comparison using homogenate binding and single photon emission computed tomographic imaging. Mol Pharmacol, 45(1), 136-41, 1994

Seibyl, JP, Wallace, E, Smith, EO, Stabin, M, Baldwin, RM, Zoghbi, S, Zea-Ponce, Y, Gao, Y, Zhang, WY, Neumeyer, JL. Whole-body biodistribution, radiation absorbed dose and brain SPECT imaging with iodine-123-beta-CIT in healthy human subjects. J Nucl Med, 35(5), 764-70, 1994

Zea-Ponce, Y, Baldwin, RM, Zoghbi, SS, Innis, RB. Formation of 1-[123I]iodobutane in labeling [123I]iomazenil by iododestannylation: implications for the reaction mechanism. Appl Radiat Isot, 45(1), 63-8, 1994

al-Tikriti, MS, Baldwin, RM, Zea-Ponce, Y, Sybirska, E, Zoghbi, SS, Laruelle, M, Malison, RT, Kung, HF, Kessler, RM, Charney, DS. Comparison of three high affinity SPECT radiotracers for the dopamine D2 receptor. Nucl Med Biol, 21(2), 179-88, 1994

al-Tikriti, MS, Dey, HM, Zoghbi, SS, Baldwin, RM, Zea-Ponce, Y, Innis, RB. Dual-isotope autoradiographic measurement of regional blood flow and benzodiazepine receptor availability following unilateral middle cerebral artery occlusion. Eur J Nucl Med, 21(3), 196-202, 1994

Baldwin, RM, Zea-Ponce, Y, Zoghbi, SS, Laurelle, M, al-Tikriti, MS, Sybirska, EH, Malison, RT, Neumeyer, JL, Milius, RA, Wang, S. Evaluation of the monoamine uptake site ligand [123I]methyl 3 beta-(4-iodophenyl)-tropane-2 beta-carboxylate ([123I]beta-CIT) in non-human primates: pharmacokinetics, biodistribution and SPECT brain imaging coregistered with MRI. Nucl Med Biol, 20(5), 597-606, 1993

Innis, RB, Seibyl, JP, Scanley, BE, Laruelle, M, Abi-Dargham, A, Wallace, E, Baldwin, RM, Zea-Ponce, Y, Zoghbi, S, Wang, S. Single photon emission computed tomographic imaging demonstrates loss of striatal dopamine transporters in Parkinson disease. Proc Natl Acad Sci U S A, 90(24), 11965-9, 1993

Laruelle, M, Baldwin, RM, Malison, RT, Zea-Ponce, Y, Zoghbi, SS, al-Tikriti, MS, Sybirska, EH, Zimmermann, RC, Wisniewski, G, Neumeyer, JL. SPECT imaging of dopamine and serotonin transporters with [123I]beta-CIT: pharmacological characterization of brain uptake in nonhuman primates. Synapse, 13(4), 295-309, 1993

McBride, BJ, Baldwin, RM, Kerr, JM, Wu, JL, Schultze, LM, Salazar, NE, Chinitz, JM, Byrne, EF. Structure-activity relationship of 99mTc complexes of phenylenediamine-thiol-thioether ligands (PhAT) to brain uptake in rats. J Med Chem, 36(1), 81-6, 1993

Sybirska, E, Seibyl, JP, Bremner, JD, Baldwin, RM, al-Tikriti, MS, Bradberry, C, Malison, RT, Zea-Ponce, Y, Zoghbi, S, During, M. [123I]iomazenil SPECT imaging demonstrates significant benzodiazepine receptor reserve in human and nonhuman primate brain. Neuropharmacology, 32(7), 671-80, 1993

Johnson, EW, de Lanerolle, NC, Kim, JH, Sundaresan, S, Spencer, DD, Mattson, RH, Zoghbi, SS, Baldwin, RM, Hoffer, PB, Seibyl, JP. "Central" and "peripheral" benzodiazepine receptors: opposite changes in human epileptogenic tissue. Neurology, 42(4), 811-5, 1992

Seibyl, JP, Woods, SW, Zoghbi, SS, Baldwin, RM, Dey, HM, Goddard, AW, Zea-Ponce, Y, Zubal, G, Germine, M, Smith, EO. Dynamic SPECT imaging of dopamine D2 receptors in human subjects with iodine-123-IBZM. J Nucl Med, 33(11), 1964-71, 1992

Sybirska, E, al-Tikriti, M, Zoghbi, SS, Baldwin, RM, Johnson, EW, Innis, RB. SPECT imaging of the benzodiazepine receptor: autoradiographic comparison of receptor density and radioligand distribution. Synapse, 12(2), 119-28, 1992

Woods, SW, Seibyl, JP, Goddard, AW, Dey, HM, Zoghbi, SS, Germine, M, Baldwin, RM, Smith, EO, Charney, DS, Heninger, GR. Dynamic SPECT imaging after injection of the benzodiazepine receptor ligand [123I]iomazenil in healthy human subjects. Psychiatry Res, 45(2), 67-77, 1992

Zoghbi, SS, Baldwin, RM, Seibyl, JP, al-Tikriti, MS, Zea-Ponce, Y, Laruelle, M, Sybirska, EH, Woods, SW, Goddard, AW, Malison, RT. Pharmacokinetics of the SPECT benzodiazepine receptor radioligand [123I]iomazenil in human and non-human primates. Int J Rad Appl Instrum B, 19(8), 881-8, 1992

Innis, R, Baldwin, R, Sybirska, E, Zea, Y, Laruelle, M, al-Tikriti, M, Charney, D, Zoghbi, S, Smith, E, Wisniewski, G. Single photon emission computed tomography imaging of monoamine reuptake sites in primate brain with [123I]CIT. Eur J Pharmacol, 200(2-3), 369-70, 1991

Innis, RB, al-Tikriti, MS, Zoghbi, SS, Baldwin, RM, Sybirska, EH, Laruelle, MA, Malison, RT, Seibyl, JP, Zimmermann, RC, Johnson, EW. SPECT imaging of the benzodiazepine receptor: feasibility of in vivo potency measurements from stepwise displacement curves. J Nucl Med, 32(9), 1754-61, 1991

Macwhorter, SE, Baldwin, RM. Synthesis and biodistribution of 123I N-(2-aminoethyl)-5-iodo-2-pyridinecarboxamide (Ro 43-0463), a monoamine oxidase B inhibitor. Int J Rad Appl Instrum B, 18(5), 563-4, 1991

Baldwin, RM, Wu, JL. In vivo chemistry of iofetamine HCl iodine-123 (IMP). J Nucl Med, 29(1), 122-4, 1988


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