Ramakrishnan NK - Search Results

1

Preclinical evaluation of (S)-[¹⁸F]GE387, a novel 18-kDa translocator protein (TSPO) PET radioligand with low binding sensitivity to human polymorphism rs6971.

Ramakrishnan NK, Hird M, Thompson S, Williamson DJ, Qiao L, Owen DR, Brooks AF, Scott PJH, Bacallado S, O'Brien JT, Aigbirhio FI. Ramakrishnan NK, et al. Eur J Nucl Med Mol Imaging. 2021 Dec;49(1):125-136. doi: 10.1007/s00259-021-05495-w. Epub 2021 Aug 18. Eur J Nucl Med Mol Imaging. 2021. PMID: 34405276 Free PMC article.

2

Automated radiosynthesis and preclinical in vivo evaluation of [¹⁸F]Fluoroethylpuromycin as a potential radiotracer for imaging protein synthesis with PET.

Ramakrishnan NK, Betts HM, Sephton SM, Zhou X, Williamson DJ, Sawiak S, Aigbirhio FI. Ramakrishnan NK, et al. Nucl Med Biol. 2022 Nov-Dec;114-115:71-77. doi: 10.1016/j.nucmedbio.2022.09.003. Epub 2022 Sep 28. Nucl Med Biol. 2022. PMID: 36242984 Free article.

3

Synthesis and Assessment of Novel Probes for Imaging Tau Pathology in Transgenic Mouse and Rat Models.

McMurray L, Macdonald JA, Ramakrishnan NK, Zhao Y, Williamson DW, Tietz O, Zhou X, Kealey S, Fagan SG, Smolek T, Cubinkova V, Žilka N, Spillantini MG, Tolkovsky AM, Goedert M, Aigbirhio FI. McMurray L, et al. Among authors: ramakrishnan nk. ACS Chem Neurosci. 2021 Jun 2;12(11):1885-1893. doi: 10.1021/acschemneuro.0c00790. Epub 2021 Mar 10. ACS Chem Neurosci. 2021. PMID: 33689290 Free PMC article.

4

Small-animal PET with a σ-ligand, 11C-SA4503, detects spontaneous pituitary tumors in aged rats.

Ramakrishnan NK, Rybczynska AA, Visser AK, Marosi K, Nyakas CJ, Kwizera C, Sijbesma JW, Elsinga PH, Ishiwata K, Pruim J, Dierckx RA, van Waarde A. Ramakrishnan NK, et al. J Nucl Med. 2013 Aug;54(8):1377-83. doi: 10.2967/jnumed.112.115931. Epub 2013 Jun 19. J Nucl Med. 2013. PMID: 23785170 Free article.

5

In vivo responses of human A375M melanoma to a σ ligand: 18F-FDG PET imaging.

Rybczynska AA, de Bruyn M, Ramakrishnan NK, de Jong JR, Elsinga PH, Helfrich W, Dierckx RA, van Waarde A. Rybczynska AA, et al. Among authors: ramakrishnan nk. J Nucl Med. 2013 Sep;54(9):1613-20. doi: 10.2967/jnumed.113.122655. Epub 2013 Aug 12. J Nucl Med. 2013. PMID: 23940303 Free article.

6

Cutamesine Overcomes REM Sleep Deprivation-Induced Memory Loss: Relationship to Sigma-1 Receptor Occupancy.

Ramakrishnan NK, Schepers M, Luurtsema G, Nyakas CJ, Elsinga PH, Ishiwata K, Dierckx RA, van Waarde A. Ramakrishnan NK, et al. Mol Imaging Biol. 2015 Jun;17(3):364-72. doi: 10.1007/s11307-014-0808-2. Mol Imaging Biol. 2015. PMID: 25449772

7

Sigma-1 Agonist Binding in the Aging Rat Brain: a MicroPET Study with [(11)C]SA4503.

Ramakrishnan NK, Visser AK, Rybczynska AA, Nyakas CJ, Luiten PG, Kwizera C, Sijbesma JW, Elsinga PH, Ishiwata K, Dierckx RA, van Waarde A. Ramakrishnan NK, et al. Mol Imaging Biol. 2016 Aug;18(4):588-97. doi: 10.1007/s11307-015-0917-6. Mol Imaging Biol. 2016. PMID: 26637208 Free PMC article.

8

Analysis of 5-HT(2A) receptor binding with [(11)C]MDL 100907 in rats: optimization of kinetic modeling.

Visser AK, De Vries EF, Ramakrishnan NK, Willemsen AT, Bosker FJ, den Boer JA, Dierckx RA, van Waarde A. Visser AK, et al. Among authors: ramakrishnan nk. Mol Imaging Biol. 2013 Dec;15(6):730-8. doi: 10.1007/s11307-013-0633-z. Mol Imaging Biol. 2013. PMID: 23660769

9

[(11)C]5-HTP and microPET are not suitable for pharmacodynamic studies in the rodent brain.

Visser AK, Ramakrishnan NK, Willemsen AT, Di Gialleonardo V, de Vries EF, Kema IP, Dierckx RA, van Waarde A. Visser AK, et al. Among authors: ramakrishnan nk. J Cereb Blood Flow Metab. 2014 Jan;34(1):118-25. doi: 10.1038/jcbfm.2013.171. Epub 2013 Oct 2. J Cereb Blood Flow Metab. 2014. PMID: 24084697 Free PMC article.

10

Altered sigma-1 receptor expression in two animal models of cognitive impairment.

Ramakrishnan NK, Marosi K, Nyakas CJ, Kwizera C, Elsinga PH, Ishiwata K, Luiten PG, Dierckx RA, van Waarde A. Ramakrishnan NK, et al. Mol Imaging Biol. 2015 Apr;17(2):231-8. doi: 10.1007/s11307-014-0780-x. Mol Imaging Biol. 2015. PMID: 25273321

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