Related Experiment Video
Updated: Jul 3, 2026
10:15
Labeling and Imaging of Amyloid Plaques in Brain Tissue Using the Natural Polyphenol Curcumin
Published on: November 1, 2019
A pyrazole derivative of curcumin enhances memory
Pamela Maher1, Tatsuhiro Akaishi, David Schubert
1The Salk Institute, Laboratories for Cellular Neurobiology, 10010 North Torrey Pines Road, La Jolla, CA 92037-1099, USA. pmaher@salk.edu
Neurobiology of Aging
|July 22, 2008
Summary
A new compound, CNB-001, derived from curcumin, enhances memory and cognitive function. This orally active compound boosts Ca(2+)/calmodulin dependent protein kinase II (CaMKII) activity, crucial for memory formation.
Area of Science:
- Neuroscience
- Pharmacology
- Biochemistry
Background:
- Cognitive decline is linked to Alzheimer's, Parkinson's, brain trauma, and ischemia.
- Few orally active compounds effectively enhance memory.
- Ca(2+)/calmodulin dependent protein kinase II (CaMKII) is vital for long-term potentiation (LTP) and memory.
Purpose of the Study:
- To investigate the effects of CNB-001, a novel pyrazole derivative of curcumin, on cognitive function.
- To determine if CNB-001 can facilitate long-term potentiation (LTP) in rat hippocampal slices.
- To assess the impact of CNB-001 on memory enhancement in a rat object recognition test.
Main Methods:
- Synthesis of CNB-001, a pyrazole derivative of curcumin.
- Electrophysiological recording of LTP in rat hippocampal slices.
- Behavioral testing using a rat object recognition test.
Main Results:
- CNB-001 was synthesized and shown to enhance Ca(2+)/calmodulin dependent protein kinase II (CaMKII) activity.
- CNB-001 facilitated the induction of long-term potentiation (LTP) in rat hippocampal slices.
- CNB-001 significantly enhanced memory in the rat object recognition test.
Conclusions:
- CNB-001 demonstrates potential as an orally active therapeutic agent for cognitive enhancement.
- The compound's ability to enhance CaMKII activity underlies its positive effects on LTP and memory.
- Further research into CNB-001 may lead to novel treatments for memory-related disorders.
Related Concept Videos
01:30Cognitive Enhancers: Cholinesterase Inhibitors and NMDA Receptor Antagonists
Cognitive enhancers, also known as "smart drugs," are substances used to enhance memory, mental alertness, and concentration. These can be natural or synthetic and improve cognition in conditions like Alzheimer's disease (AD) and other neurodegenerative diseases. Some common examples include caffeine, amphetamines, methylphenidate, modafinil, arecoline, donepezil, vortioxetine, and piracetam. These enhancers work on the principle of synaptic plasticity and altered circuit function. They...
01:23Role of Neurotransmitters in Memory
Neurotransmitters are integral to the brain's communication system, enabling neurons to transmit signals across synapses. This chemical exchange underpins various cognitive functions, including memory processes. The role of neurotransmitters in memory is multifaceted, influencing the encoding, consolidation, and retrieval of memories through their action on different neural circuits.
Glutamate and Synaptic Plasticity
Glutamate, the brain's main excitatory neurotransmitter, is critical for...
Glutamate and Synaptic Plasticity
Glutamate, the brain's main excitatory neurotransmitter, is critical for...
01:14Role of Cerebellum and Prefrontal Cortex in Memory
The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the cerebellum's...
01:19Role of Hippocampus in Memory
The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...
01:26Higher Mental Functions of Brain: Learning and Memory
Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or playing an...
01:22CNS Stimulants: Psychedelic Agents
Hallucinogens, also known as psychedelic drugs, are a class of substances known for their ability to alter perception, cognition, and emotions. Despite their profound effects on the mind, these drugs are non-addictive, setting them apart from many other abused substances. The mechanism of action of these drugs lies in their impact on the 5-HT2A receptor in the brain. Upon activation, this receptor couples to Gq-type G proteins, triggering a cascade that releases intracellular calcium. This...