User profiles for Andrew G. Horti

Andrew Horti

Johns Hopkins University
Verified email at jhmi.edu
Cited by 5418

Quantification of cerebral cannabinoid receptors subtype 1 (CB1) in healthy subjects and schizophrenia by the novel PET radioligand [11C] OMAR

DF Wong, H Kuwabara, AG Horti, V Raymont, J Brasic… - Neuroimage, 2010 - Elsevier
Several studies have examined the link between the cannabinoid CB1 receptor and several
neuropsychiatric illnesses, including schizophrenia. As such, there is a need for in vivo …

PET imaging of microglia by targeting macrophage colony-stimulating factor 1 receptor (CSF1R)

AG Horti, R Naik, CA Foss, I Minn… - Proceedings of the …, 2019 - National Acad Sciences
While neuroinflammation is an evolving concept and the cells involved and their functions
are being defined, microglia are understood to be a key cellular mediator of brain injury and …

[HTML][HTML] High-potency ligands for DREADD imaging and activation in rodents and monkeys

…, S Nabavi, MG Pomper, A Bonci, AG Horti… - Nature …, 2019 - nature.com
Designer Receptors Exclusively Activated by Designer Drugs (DREADDs) are a popular
chemogenetic technology for manipulation of neuronal activity in uninstrumented awake …

Greater nicotinic acetylcholine receptor density in smokers than in nonsmokers: a PET study with 2-18F-FA-85380

…, JA Matochik, CS Contoreggi, AG Horti… - Journal of Nuclear …, 2008 - Soc Nuclear Med
Assays of human postmortem brain tissue have revealed that smokers have greater densities
of high-affinity nicotinic acetylcholine receptors (nAChRs) in several brain regions than do …

Synthesis, structure− activity relationship, and evaluation of SR141716 analogues: Development of central cannabinoid receptor ligands with lower lipophilicity

…, AF Hoffman, AG Mukhin, AG Horti - Journal of medicinal …, 2003 - ACS Publications
Exploration of the central CB 1 cannabinoid receptors using positron emission tomography (PET)
will allow for an understanding of the pharmacological and physiological role played …

[HTML][HTML] Cannabinoid CB2 receptors in a mouse model of Aβ amyloidosis: immunohistochemical analysis and suitability as a PET biomarker of neuroinflammation

…, P Davies, RF Dannals, MG Pomper, AG Horti - PloS one, 2015 - journals.plos.org
In Alzheimer’s disease (AD), one of the early responses to Aβ amyloidosis is recruitment of
microglia to areas of new plaque. Microglial receptors such as cannabinoid receptor 2 (CB2) …

Synthesis and biodistribution of [11C] A-836339, a new potential radioligand for PET imaging of cannabinoid type 2 receptors (CB2)

AG Horti, Y Gao, HT Ravert, P Finley… - Bioorganic & medicinal …, 2010 - Elsevier
Recently, A-836339 [2,2,3,3-tetramethylcyclopropanecarboxylic acid [3-(2-methoxyethyl)-4,5-dimethyl-3H-thiazol-(2Z)-ylidene]amide]
(1) was reported to be a selective CB 2 agonist …

5-Iodo-A-85380, an α4β2 subtype-selective ligand for nicotinic acetylcholine receptors

…, D Gündisch, AG Horti, AO Koren, G Tamagnan… - Molecular …, 2000 - ASPET
In an effort to develop selective radioligands for in vivo imaging of neuronal nicotinic
acetylcholine receptors (nAChRs), we synthesized 5-iodo-3-(2(S)-azetidinylmethoxy)pyridine (5-…

11C-JHU75528: a radiotracer for PET imaging of CB1 cannabinoid receptors

AG Horti, H Fan, H Kuwabara, J Hilton… - Journal of Nuclear …, 2006 - Soc Nuclear Med
The development of the radioligands for PET imaging of the cerebral cannabinoid receptor (CB1)
is of great importance for studying its role in neuropsychiatric disorders, obesity, and …

Development of [18F] ASEM, a specific radiotracer for quantification of the α7-nAChR with positron-emission tomography

AG Horti - Biochemical pharmacology, 2015 - Elsevier
The alpha-7 subtype of the nicotinic acetylcholine receptor (α7-nAChR) is fundamental to
physiology; it mediates various brain functions and represents an important target for drug …