Paper Details 
Original Abstract of the Article :
Protriptyline, a tricyclic antidepressant for psychiatric disorders, can induce prolonged QT, torsades de pointes, and sudden death. We studied the effects of protriptyline on human ether-à-go-go-related gene (HERG) channels expressed in Xenopus oocytes and HEK293 cells. Protriptyline induced a conc...See full text at original site
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引用元:
https://doi.org/10.1016/j.lfs.2007.12.004

データ提供:米国国立医学図書館(NLM)

Protriptyline's Impact on HERG Channels

This study investigates the potential for [Protriptyline], a tricyclic antidepressant, to disrupt the function of [HERG channels], which play a crucial role in regulating [cardiac rhythm]. The researchers employed a combination of [electrophysiological techniques] and [cellular models] to examine the effects of [Protriptyline] on [HERG channels] expressed in [Xenopus oocytes] and [HEK293 cells]. They discovered a concentration-dependent inhibition of [HERG currents], suggesting a direct interaction between [Protriptyline] and these vital channels.

Unveiling the Mechanisms of Protriptyline-Induced Arrhythmias

The findings reveal that [Protriptyline] blocks [HERG channels] in a voltage-dependent manner, with increased inhibition observed at higher levels of depolarization. This mechanism is consistent with the known potential for [Protriptyline] to induce [prolonged QT intervals] and potentially life-threatening cardiac arrhythmias. The research underscores the importance of carefully considering the potential cardiovascular effects of [Protriptyline], particularly in patients with pre-existing heart conditions.

Understanding the Risks and Managing Potential Side Effects

This study adds to our understanding of the complex relationship between [Protriptyline] and [cardiac health]. It's a reminder that even seemingly straightforward medications can have unforeseen consequences. If you are taking [Protriptyline] or any other medication that affects your heart, it is vital to discuss your concerns with your doctor and follow their recommendations for managing potential side effects. Regular monitoring and open communication can help ensure that you are receiving safe and effective care. Think of it as a careful desert traveler, always checking their compass and navigating the potential dangers of the landscape.

Dr.Camel's Conclusion

This study sheds light on the intricacies of [HERG channels] and their susceptibility to disruption by certain medications. It's like discovering a hidden fault line in a vast desert landscape – it may not be immediately visible, but it can have significant consequences if left unchecked. The research emphasizes the importance of understanding the potential cardiac effects of [Protriptyline] and underscores the need for careful monitoring and personalized care.

Date :
  1. Date Completed 2008-03-13
  2. Date Revised 2016-11-24
Further Info :

Pubmed ID

18191158

DOI: Digital Object Identifier

10.1016/j.lfs.2007.12.004

Related Literature

SNS
PICO Info
in preparation
Languages

English

Positive IndicatorAn AI analysis index that serves as a benchmark for how positive the results of the study are. Note that it is a benchmark and requires careful interpretation and consideration of different perspectives.

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