Abstract: Among the various aspects of the present disclosure is the provision of SphK inhibitors and methods of making and using same. An aspect of the present disclosure provides for an SphK2 inhibiting agent, wherein the SphK2 inhibiting agent is a 1,2,3-triazole having SphK2 inhibiting activity and SphK2 selectivity.

Abstract: Described are compounds for the binding of S1PR2, and imaging agents and pharmaceutical compositions including said compounds. Also described are methods employing the compounds, imaging agents, and pharmaceutical compositions. These methods include imaging and/or treatment of diseases associated with S1PR2.

Abstract: Among the various aspects of the present disclosure is the provision of a compositions for binding sphingosine-1-phosphate receptor 1 (S1P1), imaging of S1P1, and methods of use thereof. Provided are imaging agents for imaging S1P1 and S1P1 associated diseases, disorders, and conditions. Also provided are therapeutic compositions and methods for the treatment of S1P1 associated diseases, disorders, and conditions.

Abstract: The present invention generally relates to various compounds that are useful as vesicular acetylcholine transporter (VAChT) ligands. The invention further relates to methods of using these compounds and their radiolabeled analogs for the detection of neurodegenerative diseases including Parkinson's disease (PD), and Alzheimer's disease (AD).

Abstract: The present invention generally relates to various compounds that are useful as ?-synuclein ligands. The invention further relates to methods of using these compounds and their radiolabeled analogs for the detection of synucleinopathies, including Parkinson's disease (PD).

Abstract: The present invention generally relates to various compounds that are useful as ?-synuclein ligands. The invention further relates to methods of using these compounds and their radiolabeled analogs for the detection of synucleinopathies, including Parkinson's disease (PD).

Abstract: Among the various aspects of the present disclosure is the provision of a compositions for binding sphingosine-1-phosphate receptor 1 (S1P1), imaging of S1P1, and methods of use thereof. Provided are imaging agents for imaging S1P1 and S1P1 associated diseases, disorders, and conditions. Also provided are therapeutic compositions and methods for the treatment of S1P1 associated diseases, disorders, and conditions.

Abstract: The present invention generally relates to various compounds that are useful as vesicular acetylcholine transporter (VAChT) ligands. The invention further relates to methods of using these compounds and their radiolabeled analogs for the detection of neurodegenerative diseases including Parkinson's disease (PD), and Alzheimer's disease (AD).

Abstract: The present invention generally relates to various compounds that are useful as ?-synuclein ligands. The invention further relates to methods of using these compounds and their radiolabeled analogs for the detection of synucleinopathies, including Parkinson's disease (PD).

Abstract: Bipiperidinyl compounds and salts thereof are disclosed. The compounds include high affinity ligands for ?1 receptors. Some compounds are also highly selective for ?1 receptor compared to ?2 receptor. Compounds can comprise radioisotopes, including 18F or 11C. Radiolabeled compounds can be used as probes for imaging distribution of ?1 receptor in a subject such as a human using positron emission tomography (PET) scanning.

Abstract: Derivatives of phenothiazine, phenoxazine, and phenazine compounds and their use as ?-synuclein ligands are described. Also described are methods of using these compounds and their radiolabeled analogs for the detection, monitoring, and treatment of synucleinopathies, including Parkinson's disease.

Abstract: Pegylated fluoroalkoxybenzamide compounds which selectively bind Sigma-2 receptors are disclosed. These compounds, when labeled with a positron-emitting radioisotope such as 18F, can be used as radiotracers for medical imaging such as imaging of tumors by positron emission tomography (PET). In addition, these compounds, when labeled with 123I, can be used as radiotracers for imaging of tumors by single photon emission computed tomography (SPECT). Methods for synthesis of these compounds are also disclosed.

Abstract: Pegylated fluoroalkoxybenzamide compounds which selectively bind Sigma-2 receptors are disclosed. These compounds, when labeled with a positron-emitting radioisotope such as 18F, can be used as radiotracers for medical imaging such as imaging of tumors by positron emission tomography (PET). In addition, these compounds, when labeled with 123I, can be used as radiotracers for imaging of tumors by single photon emission computed tomography (SPECT). Methods for synthesis of these compounds are also disclosed.

Abstract: Fluoroalkoxybenzamide compounds which selectively bind Sigma-2 receptors are disclosed. These compounds, when labelled with 18F, can be used as radiotracers for imaging of tumors by positron emission tomography (PET). In addition, these compounds, when labelled with 123I, can be used as radiotracers for imaging of tumors by single photon emission computed tomography (SPECT). Methods for synthesis of these compounds are also disclosed.

Abstract: A series of N-substituted 9-azabicyclo[3.3.1]nonan-3?-yl phenylcarbamate analogs are disclosed, as well as methods of their preparation. Their affinities for sigma (?1 and ?2) receptors are described. Two new compounds, N-(9-(4-aminobutyl)-9-azabicyclo[3.3.1]nonan-3?-yl)-N?-(2-methoxy-5-methylphenyl)carbamate and N-(9-(6-aminohexyl)-9-azabicyclo[3.3.1]nonan-3?-yl)-N?-(2-methoxy-5-methylphenyl)carbamate, are shown to have a high affinity and selectivity for ?2 versus ?1 receptors. Among the disclosed compounds are biotinylated and fluorescent analogs. These compounds can serve as probes to the ?2 receptor. In addition, some disclosed compounds can induce apoptotic cell death by both caspase-dependent and caspase-independent mechanisms, and are effective for treatment of tumors. The compounds can be used as chemotherapeutics or chemosensitizers in the treatment of a wide variety of solid tumors.

Abstract: Fatty acid analogue (FAA) molecules comprising positron-emitting radionuclides, salts thereof, and FAA-triglycerides are disclosed. Also disclosed are methods of synthesis, and methods of imaging distribution and metabolism of fatty acids and fatty acid triglycerides.

Abstract: Bipiperidinyl compounds and salts thereof are disclosed. The compounds include high affinity ligands for ?1 receptors. Some compounds are also highly selective for ?1 receptor compared to ?2 receptor. Compounds can comprise radioisotopes, including 18F or 11C. Radiolabeled compounds can be used as probes for imaging distribution of ?1 receptor in a subject such as a human using positron emission tomography (PET) scanning.

Abstract: Fluoroalkoxybenzamide compounds which selectively bind Sigma-2 receptors are disclosed. These compounds, when labelled with 18F, can be used as radiotracers for imaging of tumors by positron emission tomography (PET). In addition, these compounds, when labelled with 123I, can be used as radiotracers for imaging of tumors by single photon emission computed tomography (SPECT). Methods for synthesis of these compounds are also disclosed.

Abstract: Fluoroalkoxybenzamide compounds which selectively bind Sigma-2 receptors are disclosed. These compounds, when labelled with 18F, can be used as radiotracers for imaging of tumors by positron emission tomography (PET). In addition, these compounds, when labelled with 123I, can be used as radiotracers for imaging of tumors by single photon emission computed tomography (SPECT). Methods for synthesis of these compounds are also disclosed.

Abstract: Methods for detection of cancer cells and for determining the proliferative status of cells in a tissue sample in vitro are disclosed. These methods comprise contacting a tissue sample with a radiolabeled compound or salt thereof of Formula wherein at least one of X, Y, and Z comprises a radioisotope, n is an integer from 2 to about 10; and each of A and A1 is a C1-C4 alkoxyl, a C1-C4 fluoroalkyl or a C1-C4 fluoroalkoxyl. The methods further comprise detecting the distribution of the radioisotope in the tissue sample, whereby a cell having a high density of the radioisotope compared to quiescent cells is diagnostic for a cancer cell.