Cocaine Binding
Cocaine Binding - Related Videos
07:51
A Protocol for Measuring Cue Reactivity in a Rat Model of Cocaine Use Disorder
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Cited by 6 •
2018
Cue reactivity is conceptualized as sensitivity to cues linked with drug-taking experiences that contribute to craving and relapse in abstinent humans. Cue reactivity is modeled in rats by measuring attentional orientation toward drug-associated cues that results in appetitive approach behavior in a cue reactivity test following self-administration and forced abstinence.
08:54
A Procedure for Studying the Footshock-Induced Reinstatement of Cocaine Seeking in Laboratory Rats
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Cited by 14 •
2011
Animal models of relapse, known as reinstatement procedures, have been used extensively to study the role of stress in relapse to drug seeking. Here, we report on a method for inducing the reinstatement of cocaine seeking in laboratory rats via acute exposures to mild, intermittent electric footshock.
10:28
Assessment of Cocaine-induced Behavioral Sensitization and Conditioned Place Preference in Mice
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Cited by 19 •
2016
This protocol is intended to enable researchers to conduct experiments designed to test these aspects of addiction using the conditioned place preference and locomotor behavioral sensitization assays.
08:22
Stereotaxic Microinjection of Viral Vectors Expressing Cre Recombinase to Study the Role of Target Genes in Cocaine Conditioned Place Preference
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Cited by 2 •
2013
This article describes how to microinject viral vectors into mouse brain and then test in a conditioned place preference paradigm that includes an acquisition, extinction and reinstatement phase.
01:24
CNS Stimulants: Cocaine, Amphetamines and Cannabinoids
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2024
CNS stimulants, such as cocaine, amphetamines, and cannabinoids, have varying structures and mechanisms of action that lead to different therapeutic effects and side effects. Cocaine, with its molecular formula C17H21NO4, is a tropane alkaloid and a tertiary amino compound. It has two chemical forms: the hydrochloride salt and the "freebase." The former is in powder form, while the latter involves removing the hydrochloride salt to create a form that can be smoked. Cocaine exerts its effects by...
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Transporter conformation is central because cocaine stabilizes particular structural states of monoamine transporters. That stabilization prevents the transporters from carrying out normal neurotransmitter reuptake, so dopamine, norepinephrine, and serotonin remain available to influence synaptic signaling. Biochemical studies therefore connect ligand-induced structural changes with the physiological consequences of cocaine exposure.
Both properties help determine how effectively cocaine associates with a transporter and how selectively the interaction can be characterized. Transporter architecture provides the molecular features recognized by the ligand, while affinity describes the strength of association. Examining these variables helps explain why structural changes can alter drug activity and supports rational compound design.
Analyzing dopamine, norepinephrine, and serotonin transporters broadens interpretation beyond a single signaling pathway. Their combined involvement links cocaine binding to changes in multiple monoamine systems, while comparisons among targets can reveal how transporter architecture and ligand recognition contribute to the overall biochemical and physiological effects. This multi-target perspective is relevant to neural signaling and addiction research.
Binding assays help characterize how cocaine interacts with its protein targets by providing an experimental framework for examining ligand association and affinity. Researchers can use this approach to compare interactions involving dopamine, norepinephrine, and serotonin transporters. The resulting information clarifies target recognition and helps connect molecular binding behavior with altered neurotransmitter signaling.
Structural analysis and molecular modeling address complementary questions. Structural analysis examines transporter architecture relevant to cocaine recognition, whereas modeling can explore how ligand features fit or interact with that architecture. Used together, these approaches help interpret binding observations at a molecular level and can inform efforts to design compounds intended to block or modify cocaine’s effects.
These studies provide a biochemical way to connect transporter-level interactions with changes in synaptic signaling and broader physiological effects. By identifying how ligand structure, affinity, and transporter architecture influence recognition, they support investigations of addiction. They also guide the search for compounds that could block or modify cocaine’s effects, extending the work toward targeted intervention strategies.