Effects of 4-Hydroxybenzoic Acid from Bamboo on Kv1.4 Channel
Journal name: The Malaysian Journal of Medical Sciences
Original article title: The Effects of 4-Hydroxybenzoic Acid Identified from Bamboo (Dendrocalamus asper) Shoots on Kv1.4 Channel
The Malaysian Journal of Medical Sciences (MJMS) is a peer-reviewed, open-access journal published online at least six times a year. It covers all aspects of medical sciences and prioritizes high-quality research.
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Jingli Zhang, Fatin H. Mohamad, Jia Hui Wong, Habsah Mohamad, Abdul Hadi Ismail, Abdul Aziz Mohamed Yusoff, Hasnah Osman, Kok Tong Wong, Zamzuri Idris, Jafri Malin Abdullah
The Malaysian Journal of Medical Sciences:
(A peer-reviewed, open-access journal)
Full text available for: The Effects of 4-Hydroxybenzoic Acid Identified from Bamboo (Dendrocalamus asper) Shoots on Kv1.4 Channel
Year: 2018 | Doi: 10.21315/mjms2018.25.1.12
Copyright (license): CC BY 4.0
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Summary of article contents:
Introduction
Bamboo shoots, specifically from Dendrocalamus asper, have long been utilized in traditional Chinese medicine as a remedy for various neuronal disorders, including epilepsy. Recent studies have focused on the compounds present in these shoots, particularly 4-hydroxybenzoic acid (4-hba), a non-flavonoid phenolic compound recognized for its potential neurological benefits. Research has indicated that 4-hba interacts with voltage-gated potassium channels, specifically the Kv1.4 channel, which is pivotal for neuronal repolarization and hyperpolarization, playing a crucial role in regulating neuronal excitability. Given that about 40% of epilepsy patients do not respond to conventional treatments, exploring natural compounds like 4-hba opens new avenues for developing effective therapeutic strategies.
The Role of 4-Hydroxybenzoic Acid in Kv1.4 Channel Modulation
4-hydroxybenzoic acid has shown promise in enhancing the inactivation of the Kv1.4 potassium channel, ultimately lowering the membrane potential and inhibiting abnormal neuronal firing. In experimental setups involving Xenopus laevis oocytes, various concentrations of 4-hba were tested to assess their effects on potassium currents. Dose-response analyses revealed a significant enhancement of Kv1.4 activity at lower concentrations, particularly at 1 μM and 10 μM, with an observed IC50 slightly above 10 μM. However, toxicity was noted at higher concentrations, such as 100 μM and above. The findings suggest that 4-hba potentially offers a method to regulate neuronal excitability, which may be beneficial in treating epilepsy and other related disorders.
Conclusion
This study highlights the significant effects of 4-hydroxybenzoic acid derived from Dendrocalamus asper on enhancing Kv1.4 channel activity, suggesting that it may play a key role in managing conditions characterized by abnormal neuronal excitability, such as epilepsy. The results provide an initial framework for further investigation into the antiepileptic properties of various phytochemicals found in bamboo shoots. As the research progresses, it holds the potential to unveil more compounds from D. asper with similar or improved therapeutic effects, contributing to a broader understanding and treatment of epilepsy in the context of traditional medicinal practices.
FAQ section (important questions/answers):
What is the traditional use of bamboo shoots in medicine?
Bamboo shoots have been used for generations in traditional Chinese medicine, particularly for treating epilepsy and disorders like convulsions, dizziness, and headaches.
What is 4-hydroxybenzoic acid and where is it found?
4-hydroxybenzoic acid (4-hba) is a non-flavonoid phenol found abundantly in bamboo shoots, strawberries, apples, and other fruits. It is known for its various biological activities.
How does 4-hydroxybenzoic acid affect the Kv1.4 potassium channel?
4-hydroxybenzoic acid enhances the inactivation of the Kv1.4 potassium channel, which helps to lower membrane potential and inhibit abnormal neuronal firing associated with conditions like epilepsy.
What concentration of 4-hydroxybenzoic acid showed the best effects?
The study found that a concentration of 10 μM of 4-hydroxybenzoic acid was effective in enhancing the inactivation of Kv1.4 potassium channels.
Glossary definitions and references:
Scientific and Ayurvedic Glossary list for “Effects of 4-Hydroxybenzoic Acid from Bamboo on Kv1.4 Channel”. This list explains important keywords that occur in this article and links it to the glossary for a better understanding of that concept in the context of Ayurveda and other topics.
1) Channel:
A channel in biological terms usually refers to a protein structure embedded in a cell membrane that allows the selective passage of ions or other molecules into and out of a cell. In this study, the Kv1.4 potassium channel's function is investigated due to its important role in neuronal signaling and regulation, particularly in the context of epilepsy treatment.
2) Epilepsy:
Epilepsy is a neurological disorder characterized by recurrent seizures due to abnormal electrical activity in the brain. Understanding the mechanisms that drive epilepsy is critical for developing effective treatments. This study examines compounds that can influence potassium channels, which could help manage epilepsy symptoms, highlighting its relevance to public health.
3) Food:
Food is central to nutrition and health, significantly influencing bodily functions and metabolic processes. In the context of the research, bamboo shoots (used in traditional diets) are investigated for their potential pharmacological effects, particularly containing biocompounds that may have beneficial effects on conditions like epilepsy, bridging dietary choices and health outcomes.
4) Drug:
A drug is a substance used to treat, cure, prevent, or diagnose a disease or to enhance physical or mental well-being. This study explores the effects of 4-hydroxybenzoic acid as a potential drug that may enhance the inactivation of potassium channels, showing the importance of medicinal chemistry in healthcare innovation.
5) Activity:
Activity typically refers to the physiological or biochemical actions of compounds or treatments. In this research, the activity of Kv1.4 potassium channels is a focal point, as it shows how certain compounds can modify neuronal firing patterns, influencing how they might help manage epilepsy, which is crucial for therapeutic developments.
6) Study (Studying):
A study refers to the research process aimed at understanding a specific phenomenon. The current research investigates the effects of natural compounds on ion channels implicated in epilepsy treatment, contributing to the scientific body of knowledge and potentially leading to new therapeutic approaches for controlling seizures.
7) Bett:
Bett refers to one of the authors, G.C. Bett, affiliated with ongoing research related to potassium channels. Collaboration among researchers named in the study demonstrates the collective effort in understanding complex neurological disorders and seeking solutions through scientific inquiry, enhancing the credibility and impact of the findings presented.
8) Medicine:
Medicine encompasses the science and practice of diagnosing, treating, and preventing diseases. This study highlights the intersection of traditional medicine (bamboo shoots in traditional Chinese medicine) with modern pharmacological studies, showcasing how traditional practices can inspire contemporary research pathways aimed at addressing neurological disorders like epilepsy.
9) Table:
A table typically illustrates data or findings obtained from experiments or studies, helping visualize results. In scientific research, tables often organize complex information concisely, aiding in the analysis of dose-response relationships and statistical significance, thereby supporting clearer conclusions and enhancing the communication of findings.
10) Science (Scientific):
Scientific refers to methods or approaches based on systematic observation and experimentation. The scientific nature of this study is essential to verify hypotheses about 4-hydroxybenzoic acid's effects on Kv1.4 channels, demonstrating how rigorous methodologies underpin the reliability of results in pharmacological and medical realms.
11) Purification:
Purification refers to the processes involved in isolating a specific compound from a mixture. In this research, purification techniques are used to extract 4-hydroxybenzoic acid from bamboo shoots, which is critical as it ensures the compound’s properties could be studied unambiguously, thus supporting accurate scientific inquiry and application.
12) Mutation:
Mutation is a change in the DNA sequence that can lead to alterations in protein function or regulation. Understanding mutations is important in researching epilepsy, as certain genetic mutations can influence the expression and functionality of ion channels, impacting neuronal excitability and potential treatments.
13) Pharmacology:
Pharmacology is the branch of medicine that focuses on drugs and their effects on the human body. The study is fundamentally intertwined with pharmacology, investigating how various compounds, including 4-hydroxybenzoic acid, affect potassium channels and contribute to developing novel therapeutic strategies for epilepsy management.
14) Surface:
Surface refers to the exterior part of an object. In the context of ion channels, surface expression indicates the availability of the channels on the cellular membrane. This impacts the study's relevance since how much Kv1.4 channels are expressed on the neuronal surface can affect their functionality in excitability regulation.
15) Blood:
Blood is a vital fluid in the body, transporting oxygen and nutrients while removing waste products. In the study, monitoring blood connectivity can be significant as the properties of compounds (like 4-hydroxybenzoic acid) and their effects on potassium channels may translate into systemic changes within the body, affecting overall health.
16) Flavonoid:
Flavonoids are a class of phytonutrients found in many plants, known for their antioxidant properties. While this study focuses on 4-hydroxybenzoic acid, understanding the role of flavonoids is essential as they may also contribute to the therapeutic effects observed in neurological diseases, showcasing the pharmacological potential of plant-based compounds.
17) Disease:
A disease is a pathological condition of a bodily part that results from various causes, such as infection, genetic defect, or environmental stress. The study targets epilepsy as a neurological disease, focusing on potential treatments that can alter the neuronal activity contributing to disease symptoms through the modulation of potassium channels.
18) Animal:
Animal refers to any living organism from the kingdom Animalia, with this study specifically utilizing Xenopus laevis as a model organism. Animal studies are essential in biomedical research to understand human diseases better and test the safety and efficacy of potential treatments derived from plants or synthetic sources.
19) India:
India is highlighted here due to its rich heritage of traditional medicine practices, including the use of various plants for therapeutic purposes. Investigating traditional medicines from countries like India can provide insights into effective treatments for conditions such as epilepsy and inspire scientific research into their biochemical properties.
20) Acorus calamus:
Acorus calamus, commonly known as sweet flag, is a plant used in traditional medicine systems for various ailments, including neurological issues. Although not the primary focus of this study, the mention of Acorus calamus emphasizes the exploration of various plants with pharmacological effects worthy of investigation for epilepsy treatment.
21) Agriculture:
Agriculture is the practice of cultivating soil for growing crops and rearing animals for food, fiber, and other products. The relevance of agriculture in this context includes the cultivation of bamboo and its shoots, which are studied for their potential health benefits, bridging food production with medicinal application.
22) Mahendra (Mahemdra, Maha-indra):
Mahendra refers to one of the contributors to the research, likely a researcher or academic that influences the findings discussed in the study. Collaborations among multiple authors like Mahendra impact the comprehensiveness of research, ensuring that various dimensions of a topic are explored effectively and impartially.
23) Toxicity:
Toxicity is the degree to which a substance can harm organisms, and it is critical when evaluating potential therapeutic agents. This study assesses the toxicity of 4-hydroxybenzoic acid at higher concentrations, underscoring the importance of balancing efficacy with safety in drug development and applications in treating epilepsy.
24) Chanda (Chamda):
Chanda likely refers to a researcher who contributed to the study's design, execution, or analysis. The collaboration of authors is pivotal in research efforts, ensuring that diverse perspectives and expertise contribute to studying potassium channels and exploring their pharmacological implications.
25) Powder:
Powder in this context relates to the form in which the bamboo shoots were processed for extraction. Converting the raw plant material into powder facilitates the extraction of bioactive compounds, emphasizing preparation methods that are crucial for isolating the desired chemical entities for subsequent analysis in pharmacological studies.
26) Kaita:
Kaita, referring to a contributor to the study, represents an important academic whose collaboration enriches the research findings. Each author’s unique background and expertise potentially lead to innovative approaches in understanding and addressing pharmacological challenges, like developing effective treatments against epilepsy.
27) Sugar:
Sugar, being a significant carbohydrate in the diet, may affect various physiological processes. In the study, understanding how bamboo shoots affect metabolic responses can inform how dietary practices and natural food sources might influence conditions like epilepsy through their biochemical composition.
28) Guti:
Guti likely refers to a contributing author, emphasizing the collaborative nature of scientific research. Contributions from multiple researchers enrich the study's outcomes, promoting a comprehensive understanding of the nuances involved in investigating the effects of natural compounds on ion channels relevant to epilepsy.
29) Daru:
Daru may represent another author involved in the research, reinforcing the collaborative framework underpinning scientific inquiries. Contributions from various experts are essential for addressing complex medical questions, enhancing the overall quality and depth of findings in health-related studies, such as the one on epilepsy.
30) Peng:
Peng likely denotes another author participating in the research, indicating the collaborative nature of scientific discovery. Each author's contributions are valuable, bringing unique insights and expertise necessary for thoroughly exploring the pharmacological properties of compounds affecting Kv1.4 potassium channels.
31) Post:
Post can refer to a position in academia or research setting where findings are disseminated. In the context of this study, it highlights the importance of publishing results to share advancements with the scientific community while providing a foundation for future research targeting epilepsy treatments.
32) Human body:
The human body represents the biological context within which health and disease occur, influencing the relevance of studies like this one. Understanding how compounds interact with human physiology, particularly concerning potassium channels, is vital for developing effective therapeutic strategies for disorders such as epilepsy.
33) Phytochemical:
Phytochemicals are biologically active compounds found in plants that can contribute to health benefits. The study investigates compounds from bamboo shoots, emphasizing their potential pharmacological effects on ion channels, highlighting how phytochemicals can impact human health and inform future therapeutic developments.
34) Calculation:
Calculation refers to the quantitative analysis of data gathered from experiments. In research, accurate calculations are essential for deriving valid conclusions and establishing dose-response relationships. This aspect is crucial when interpreting results regarding the effects of compounds on Kv1.4 channels in the context of pharmacological research.
35) Discussion:
Discussion relates to the interpretative section of a research paper where findings are analyzed and contextualized within the existing body of knowledge. The discussion of this study would elaborate on how the results impact understanding potassium channel regulation, epilepsy treatment, and potential directions for future research.
36) Developing:
Developing denotes the process of creating or formulating new ideas, approaches, or treatments based on research findings. In this study, developing effective therapies for epilepsy through the modulation of Kv1.4 channels highlights ongoing efforts in pharmacology and neuroscience to improve patient care and outcomes.
37) Education:
Education refers to the process of imparting knowledge and skills. The research study contributes to education by expanding the scientific community's understanding of natural compounds and their impacts on neurological disorders, emphasizing the significance of translating research into practical applications for teaching and future therapeutic exploration.
38) Fragrance:
Fragrance is often associated with the pleasant aroma produced by plants. It may indicate the economic and cultural importance of crops like bamboo. The aesthetic qualities of plant-based ingredients can also lead to their incorporation into traditional medicines, potentially influencing their therapeutic applications and public perception.
39) Incision:
Incision typically refers to a surgical cut made in the body. In this study, it relates to the process of extracting oocytes from Xenopus laevis for experimental use. Understanding surgical techniques with oocytes is crucial in obtaining viable tissue for pharmacological research on ion channels.
40) Village:
Village refers to a rural community, often highlighting the source of natural resources such as bamboo. The mention of specific geographical settings indicates the cultural context of traditional medicine practices; it links local resources to scientific exploration and underscores the potential contributions of indigenous knowledge in modern research.
41) Species:
Species denotes distinct groups of living organisms capable of interbreeding. The specific mention of bamboo (Dendrocalamus asper species) in the study emphasizes the significance of biodiversity and the potential for different species to produce unique phytochemical profiles, relevant to pharmacological research on their medicinal applications.
42) Forest:
Forest refers to a large area populated by trees and undergrowth. Forest ecosystems play a critical role in providing medicinal plants, such as bamboo, which are studied for their health benefits. Preserving these natural habitats is essential for sustaining biodiversity and ensuring the availability of resources for medicinal research.
43) Family:
Family in biological taxonomy represents a classification level that groups together related organisms. In the context of this research, understanding the family of the studied plants helps scientists explore evolutionary relationships and phylogenetic aspects that may inform the pharmacological potential of various compounds derived from those plants.
44) Purity:
Purity relates to the proportion of a specific compound within a mixture and is crucial for ensuring accurate experimental results. In this study, verifying the purity of isolated biocompounds ensures their reliability in pharmacological studies, thus enhancing the validity of conclusions drawn regarding their effects on ion channels.
45) Firing:
Firing in a neuronal context refers to the process of action potentials propagating along neurons. Investigating the modulation of Kv1.4 channels can directly affect neuronal firing patterns, making this a key area of focus in developing potential epilepsy treatments that aim to stabilize hyperactive neurons.
46) Indian:
Indian refers to anything related to the country India, which has a rich history in traditional herbal medicine. The mention of Indian medicinal practices emphasizes the importance of exploring and validating local healing traditions as a foundation for modern pharmacological research targeting disorders like epilepsy.
47) Filling (Filled):
Filled refers to the act of completing or making full. In the context of research, it might relate to the experimental setup where specific solutions, like DMSO or others, are filled into instruments for testing the effects on oocytes, crucial for ensuring the accuracy of electrophysiological measurements.
48) Malin:
Malin likely refers to a contributing author whose expertise enhances the collective effort in this research. The collaboration between diverse researchers fosters comprehensive studies, facilitating a better understanding of the pharmacological aspects of the compounds being investigated for their potential impact on neurological disorders.
49) Glass:
Glass, in laboratory settings, commonly refers to equipment made from glass used for containing or manipulating liquids and samples. The quality and type of glassware utilized can impact measurements and results in experiments involving electrophysiological studies, emphasizing precision and reliability in scientific practice.
50) Water:
Water is essential in biological systems, serving as a solvent and medium for biochemical reactions. In this study, water likely serves as a component in various solutions used in experiments, highlighting its importance in maintaining physiological conditions necessary for accurate measurement and functioning of biological systems.
51) Miṇi (Mini):
Mini may refer to compact or smaller versions of equipment used in the experiment, such as mini spectrophotometers or other lab instruments. The term emphasizes the versatility and convenience of smaller laboratory apparatus, aiding researchers in conducting experiments with limited space yet maintaining effective outcomes.
52) King:
King may denote the significance or preeminence attributed to bamboo in certain cultures, referring to its extensive use and nutritional value in traditional diets (e.g., 'King of Forest Vegetables'). Through cultural references, its value in traditional medicine and health can be highlighted, meriting scientific exploration.
53) Fire:
Fire is a common symbol of energy or vitality; in a medical context, it may relate metaphorically to conditions characterized by excess energy, such as seizures in epilepsy. Some traditional Chinese medicine views utilize bamboo for 'cooling fire' within the body as a method of treatment for various ailments.
54) Dish (Dis):
Dish typically refers to a plate or bowl used for serving food. In traditional cultures, specific dishes containing bamboo may be praised for health benefits. This concept integrates food preparation with medicinal use, showcasing the cultural and practical relevance of ingredients in promoting overall health.
Other Science Concepts:
Discover the significance of concepts within the article: ‘Effects of 4-Hydroxybenzoic Acid from Bamboo on Kv1.4 Channel’. Further sources in the context of Science might help you critically compare this page with similair documents:
Tea, Epilepsy, Molecule, Physiological processes, Traditional Chinese medicine, Electrolytes, Headache, Result, Control group, Dizziness, Statistical Significance, Antioxidant activity, Antioxidant properties, Thin Layer Chromatography, Blood brain barrier, In vitro study, Dimethyl sulfoxide, Antioxidant property, Animal Ethics Committee, Action potential, Chloroform extract, Column chromatography, IC50, Cell proliferation, Dichloromethane extract, Neurotransmitter, Epithelial Cells, Dose response curve, Muscle contraction, DMSO solution, DMSO, Homeostasis regulation, Chemical compound, Phenolic acid, Spectroscopic data, Toxicity effect, Stock Solution, 4-hydroxybenzaldehyde, Antiepileptic properties, Ion channel, Anticonvulsant, Palmitic acid, Dose response, Functional group, LAURIC ACID, Acidic solution, Maximum effect, Hormonal secretion, Phytosterol, Plasma membrane, Epilepsy cases, Biocompound, Epilepsy treatment, Potassium channel blocker, Chinese traditional medicine, Voltage clamp, Phytochemical constituent, Natural phenolic, NMR Data, Potassium channel, Synthetic compound, Membrane potential.
Concepts being referred in other categories, contexts and sources.
Study, Method, Bamboo shoot, Ming dynasty, Experiment, Tang Dynasty.