PB-28

From WikiMD's Food, Medicine & Wellness Encyclopedia

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PB-28 is a synthetic cannabinoid and a derivative of the cannabinoid receptor agonist HU-210. It is known for its high affinity and selectivity for the CB2 receptor over the CB1 receptor, making it a significant compound in the study of cannabinoid receptor pharmacology.

Chemical Structure and Properties[edit | edit source]

PB-28 is chemically classified as a naphthoylindole derivative. Its structure includes a naphthalene ring attached to an indole moiety, which is a common feature among many synthetic cannabinoids. The specific modifications in PB-28 contribute to its unique receptor binding profile.

Pharmacology[edit | edit source]

PB-28 exhibits a high binding affinity for the CB2 receptor, which is primarily expressed in the immune system and associated with anti-inflammatory and immunomodulatory effects. Unlike many other synthetic cannabinoids, PB-28 has a significantly lower affinity for the CB1 receptor, which is predominantly found in the central nervous system and is responsible for the psychoactive effects of cannabinoids.

Receptor Selectivity[edit | edit source]

The selectivity of PB-28 for the CB2 receptor over the CB1 receptor makes it a valuable tool in research focused on the therapeutic potential of CB2 receptor agonists. This selectivity reduces the likelihood of psychoactive side effects, which are commonly associated with CB1 receptor activation.

Therapeutic Potential[edit | edit source]

Due to its selective action on the CB2 receptor, PB-28 is being investigated for its potential in treating various conditions, including inflammation, pain, and autoimmune diseases. Its ability to modulate the immune response without significant psychoactive effects makes it a promising candidate for further development.

Research and Development[edit | edit source]

Ongoing research is exploring the full pharmacological profile of PB-28, including its efficacy, safety, and potential therapeutic applications. Studies are also examining its interactions with other cannabinoid receptors and its effects on different biological systems.

See Also[edit | edit source]

References[edit | edit source]

External Links[edit | edit source]


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Contributors: Prab R. Tumpati, MD