Wednesday, 30 August 2023

#Sesquiterpenoids Isolated From Herbal #Coltsfoot Exerts Neuro-Protective Activity by Inhibiting Overexpression of Oxidativestress, Researchers Say

Kyle J. Norton

Neuroprotection is a process to preserve the neuronal structure and/or function against the death or gradual death of neurons, including the use of medicines and herbs.

In other words, neuroprotection protects the neuronal integrity against the reduction in the rate of neuronal loss over time inducing neurological disease, including neurodegenerative disease.

Neurodegenerative disease is the class of conditions associated with the progressive loss of neurons that occurs mostly in older adults, including dementia. The most common dementia in the US is Alzheimer`s disease (AD).

Alzheimer's disease is an irreversible, progressive brain disorder caused by the slow loss of neuron in the brain that affects the memory and thinking skills and, eventually, the ability to carry out the simplest tasks as the disease progress into an advanced stage.

According to the statistics, dementia affects over 47.5 million people worldwide, and approximately 58 percent are living in low and middle-income countries.

Believe it or not, 5.8 million Americans of all ages are living with Alzheimer's dementia in 2019 and two-thirds of people with Alzheimer's disease are women.

Conventionally, as of today, there is no cure for dementia. Treatment of dementia focuses on improving dementia symptoms and slowing down the progression of the disease.


Coltsfoot(Tussilago farfara) is a perennial herbaceous plant, genus Tussilago, belonging to the family Asteraceae, native to Europe and Asia. The herb has been used for thousands of years to treat asthma, various coughs, bronchial congestion, respiratory disorders, headaches obstruction in the nasal passage, etc.

In finding a potential compound for the treatment of the neurological disorder, researchers examined the neuroprotective effect of Tussilagone (TSL) on LPS-induced neuronal cell death.

According to the tested assays, 4 sesquiterpenoids isolated from the TSL showed a significant effect against the production of nitric oxide, prostaglandin E2, and tumor necrosis factor-α in LPS-treated BV-2 cells.

In other words, the sesquiterpenoids inhibited the production of free radicals and proinflammatory expression associated with the BV-2 cells oxidative stress induced by LPS.

More precisely, the inhibition against the initiation of oxidative stress was attributed to the sesquiterpenoids activity in blocking the activation of the proinflammatory (NF-κB) pathway

Furthermore, the sesquiterpenoids also inhibited LPS-induced neuronal cell death in the co-culture system by inhibiting the expression of NF-κB pathway and scavenging of ROS.


Based on the findings, researchers said, "sesquiterpenoids from Tussilago farfara may have beneficial therapeutic potential for the treatment of neurodegenerative diseases through inhibition of microglial activation".

Taken together, coltsfoot may be considered a remedy for the treatment of neurological disease, pending to the confirmation of the larger sample size and multicenter human study.

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Author Biography
Kyle J. Norton (Scholar, Master of Nutrition, All right reserved)
Health article writer and researcher; Over 10.000 articles and research papers have been written and published online, including worldwide health, ezine articles, article base, health blogs, self-growth, best before it's news, the karate GB daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as international journal Pharma and Bioscience, ISSN 0975-6299.

Sources
(1) In vitro neuroprotective activity of sesquiterpenoids from the flower buds of Tussilago farfara by Lim HJ1, Dong GZ, Lee HJ, Ryu JH. (PubMed)
(2) Neuroprotection against 6-OHDA toxicity in PC12 cells and mice through the Nrf2 pathway by a sesquiterpenoid from Tussilago farfara by Lee J1, Song K1, Huh E2, Oh MS3, Kim YS. (PubMed)

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