April 2002 PMID 11960505

Studies on the synthesis and opioid agonistic activities of mitragynine-related indole alkaloids: discovery of opioid agonists structurally different from other opioid ligands.

Hiromitsu Takayama, Hayato Ishikawa, Mika Kurihara, Mariko Kitajima, Norio Aimi, Dhavadee Ponglux, Fumi Koyama, Kenjiro Matsumoto, Tomoyuki Moriyama, Leonard T Yamamoto, Kazuo Watanabe, Toshihiko Murayama, Syunji Horie

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Peak: 2 in Jul 2025

across 4 sources since Aug 2023

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AI synopsis

What people are saying

The overall conversations reflect a cautious optimism, with some comments highlighting the potential for these derivatives to offer new pain relief options, exemplified by phrases like 'discovery of novel opioid ligands' and 'stronger effects than morphine,' which show interest and a recognition of the research's importance. The tone remains analytical but not overly enthusiastic, focusing on scientific progress and possible applications.

AgreementModerate agreement

Most discussions recognize the significance of discovering new opioid-like compounds with different structures, implying general agreement on its importance.

InterestModerate interest

The users show mild curiosity about the research, with some expressing enthusiasm for new findings but not deeply exploring technical details.

EngagementModerate engagement

Participants engage with the topic by referencing the potential implications of the derivatives and their effectiveness, indicating moderate involvement.

ImpactModerate impact

The discussions suggest the research could influence future drug development, although the tone remains cautious rather than revolutionary.

Abstract in brief

Mitragynine is a primary component of the Thai herb Mitragyna speciosa, showing pain-relief effects through opioid receptors.
Researchers synthesized derivatives of mitragynine, analyzing how their structures influenced their effectiveness on different types of opioid receptors using guinea pig ileum.
The derivatives, mitragynine pseudoindoxyl and 7-hydroxymitragynine, displayed stronger opioid effects than morphine in tests, with 2 also demonstrating pain relief in a mouse model.

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All mentions

Innovative Mitragynine Derivatives Enhance Pain Relief via Opioid Receptors

Mitragynine, a key component of Thai herb Mitragyna speciosa, shows pain-relief effects through opioid receptors. Derivatives like mitragynine pseudoindoxyl demonstrate stronger effects than morphine, highlighting…

ScienceUA · Aug 6, 2023 154,119 views

Advances in Kratom Pseudoindoxyl Metabolite Synthesis and Structural Insights

This episode discusses the total synthesis of mitragynine pseudoindoxyl, a kratom metabolite with fewer side effects. It explores its structural flexibility in biological environments and implications for developing…

Kratom Sobriety Podcast · Aug 23, 2024 933 views

Acta Materia Medica

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