Kolaviron Safeguards Brain Regions in Cuprizone MS Model

| Posted in: Science

Journal name: The Malaysian Journal of Medical Sciences
Original article title: Kolaviron Protects the Prefrontal Cortex and Hippocampus against Histomorphological and Neurobehavioural Changes in Cuprizone Model of Multiple Sclerosis
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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Original source:

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Author:

Gabriel Olaiya Omotoso, Olayemi Joseph Olajide, Ismail Temitayo Gbadamosi, Mikail Abiodun Rasheed, Chiazokam Tochukwu Izuogu


The Malaysian Journal of Medical Sciences:

(A peer-reviewed, open-access journal)

Full text available for: Kolaviron Protects the Prefrontal Cortex and Hippocampus against Histomorphological and Neurobehavioural Changes in Cuprizone Model of Multiple Sclerosis

Year: 2018 | Doi: 10.21315/mjms2018.25.2.6

Copyright (license): CC BY 4.0


Download the PDF file of the original publication


Summary of article contents:

Introduction

This study investigates the potential protective effects of kolaviron (Kv), a biflavonoid complex from the seeds of Garcinia kola, against cuprizone (CPZ)-induced demyelination in Wistar rats. Multiple sclerosis (MS) is a prevalent neurological disorder characterized by demyelination, which leads to various neurological disabilities. CPZ serves as a model to study demyelination due to its induced pathological changes in the central nervous system. The investigation aims to evaluate behavioral alterations and associated histological changes in the prefrontal cortex (PFC) and hippocampus of rats following treatment with Kv.

Neuroprotective Effects of Kolaviron

The results revealed that CPZ treatment caused significant behavioral impairments, including diminished exploratory behaviors and increased anxiety-like characteristics. However, Kv administration prior to or after CPZ exposure resulted in notable improvements in behavioral outcomes, suggesting a protective role against neurotoxicity. Histopathological analyses demonstrated that Kv could prevent degeneration and maintain neuronal integrity, particularly in the PFC and hippocampus. The mechanism through which Kv acts appears to involve its antioxidant properties, which help to mitigate oxidative stress and neuroinflammation. These findings align with previous literature highlighting the neuroprotective benefits of Kv in various neurological models, underscoring its therapeutic potential in targeting demyelinating diseases.

Conclusion

The findings of this study suggest that kolaviron exhibits significant therapeutic potentials in countering the deleterious effects associated with CPZ-induced demyelination and neurotoxicity. By preserving neuronal structure and function, Kv demonstrates its capability to improve behavioral outcomes in a preclinical model of MS. These results warrant further research into the application of Kv as a potential interventional agent for treating MS and other neurodegenerative conditions, paving the way for developing effective therapeutic strategies against chronic demyelination.

FAQ section (important questions/answers):

What is the focus of the study on kolaviron?

The study investigates the efficacy of kolaviron, a biflavonoid complex, in protecting against cuprizone-induced demyelination in specific brain regions of Wistar rats, specifically the prefrontal cortex and hippocampus.

How were the rats treated in the study?

Thirty Wistar rats were randomly assigned to five groups, receiving treatments that included phosphate-buffered saline, corn oil, cuprizone, and varying doses of kolaviron before or after cuprizone administration over six weeks.

What behavioral changes were observed in the rats?

Rats treated with cuprizone exhibited decreased exploratory activities and increased anxiety-like behavior. However, those given kolaviron showed significant improvements in these behavioral outcomes and displayed a more normal cytoarchitectural profile.

What are the conclusions about kolaviron's effects?

The study concludes that kolaviron offers protective effects against cuprizone-induced neurotoxicity by preventing ribosomal protein degradation, which may provide therapeutic potential for managing neurodegenerative conditions.

Glossary definitions and references:

Scientific and Ayurvedic Glossary list for “Kolaviron Safeguards Brain Regions in Cuprizone MS Model”. 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) Field:
Field refers to a specific area of study or research within the broader discipline of science. In the context of animal behavior and neurobiology, fields are essential for understanding specialized topics such as neurotoxicity, demyelination, and the therapeutic effects of compounds like kolaviron, guiding research inquiries and methodologies.

2) Table:
Table is often used to organize and present data in a clear and concise manner. In scientific research papers, tables summarize experimental results, making it easier to compare and analyze findings. They serve as critical tools for illustrating relationships among variables, enhancing the clarity and accessibility of scientific communication.

3) Kola:
Kola is the seed from the Garcinia kola tree, renowned for its health benefits. The study of kola’s properties, particularly its phytochemical constituents like kolaviron, highlights its antioxidant and anti-inflammatory activities. This exploration is vital for developing therapeutic agents for various diseases, including neurodegenerative disorders.

4) Study (Studying):
Study signifies structured research aimed at investigating specific hypotheses or phenomena. In the context of this text, the study examines the effects of kolaviron on CPZ-induced demyelination. It provides insights into the drug's efficacy, thus contributing to the understanding of how certain substances can mitigate neurotoxicity.

5) Animal:
Animal refers to non-human organisms used as model subjects in scientific research. In this study, Wistar rats serve as representative models for human neurological conditions. The use of animals is crucial for understanding biological processes and testing potential treatments before human clinical trials, ensuring safety and efficacy.

6) Relative:
Relative pertains to comparisons or measurements in relation to another variable. In scientific research, relative comparisons, such as relative brain weight or behavioral changes due to treatments, help researchers assess the significance of their findings. It provides a context for understanding the effect of treatments in experimental studies.

7) Disease:
Disease denotes a pathological condition affecting bodily function. The study focuses on neurodegenerative diseases, specifically demyelination due to cuprizone toxicity. Understanding diseases at a molecular level is essential for developing targeted therapies that can alleviate symptoms and improve patients' quality of life through effective interventions.

8) Anxiety:
Anxiety refers to a psychological condition characterized by excessive worry or fear. In this study, anxiety is measured through exploratory behaviors in rats. Assessing anxiety levels is crucial as it can influence cognitive function and overall well-being, helping researchers evaluate the psychological effects of treatments.

9) Line:
Line, in an experimental context, can signify the divisions in a behavioral test, such as grid lines in the open field test for evaluating anxiety and exploration. Measurement along these lines provides quantifiable data essential for validating research hypotheses and establishing the efficacy of therapeutic agents.

10) Substance:
Substance typically refers to a specific chemical or compound studied for its effects. In this research, kolaviron is a key substance investigated for its neuroprotective qualities against cuprizone-induced damage. Studying various substances is fundamental for discovering innovative therapeutic options in medical science.

11) Arrow:
Arrow represents directional change or movement in graphical data representations. In scientific charts, it can indicate trends or shifts in variables, facilitating the interpretation of results. Effective use of arrows can enhance visual communication, making it easier to identify relationships and draw conclusions from data.

12) Dang:
Dang is likely a reference to a co-author or researcher contributing to the study. Collaborative authorship is significant in academic research as it brings diverse expertise and perspectives, enhancing the study's rigor and the validity of findings through collective knowledge and shared responsibilities in conducting experiments.

13) Diet:
Diet refers to the specific food consumption of organisms, particularly relevant in research when studying effects of external factors like cuprizone on animal behavior and physiology. Controlled diets are essential for maintaining consistent conditions in studies, allowing researchers to isolate variables and accurately assess treatment effects.

14) Fear:
Fear relates to an emotional response often linked with survival instincts. It is commonly assessed in animal studies through behavioral tests, providing insight into how treatments, such as kolaviron, may reduce anxiety and improve emotional well-being. Understanding fear responses is crucial for evaluating the efficacy of interventions.

15) Observation:
Observation is the act of carefully monitoring subjects or phenomena during research. Scientific observations are critical for collecting data on behavioral or physiological effects resulting from specific treatments, allowing researchers to analyze outcomes and derive conclusions that advance understanding in fields like neurobiology and pharmacology.

16) Science (Scientific):
Scientific pertains to the methodical study and application of knowledge, employing rigorous experimental design and analysis. Research incorporating scientific principles is vital for validating claims and establishing facts. A scientific approach ensures the integrity and reliability of findings, contributing to advancements in understanding health and disease.

17) Death:
Death in a scientific context often refers to the cessation of biological functions or processes. In this study, assessing apoptosis or cellular death due to cuprizone toxicity provides valuable insights into the efficacy of kolaviron in preventing neurodegeneration, which could prove essential for future therapeutic developments.

18) Hand:
Hand may refer metaphorically to the operation or control in an experiment. Scientists 'handle' various elements of research, from administering treatments to observing outcomes. Proper management of experimental conditions is vital for ensuring robust and reliable results, allowing for accurate interpretations and recommendations based on findings.

19) Post:
Post often describes a position after an event or treatment. In research, post-treatment assessments are crucial for determining the effects of interventions over time. Evaluating subjects after treatment enables researchers to observe changes in behavior or physiology attributable to the administered substances, contributing to overall conclusions.

20) Life:
Life encompasses the biological processes that characterize living organisms. In research focused on health and disease, understanding life processes is essential for identifying how treatments can influence physiological functions, therefore impacting health outcomes positively, particularly in studies related to neurodegenerative conditions and potential therapeutic agents.

21) Phytochemical:
Phytochemical refers to bioactive compounds found in plants, recognized for their beneficial properties. In this research, kolaviron, a phytochemical from Garcinia kola, is examined for its protective effects against neurotoxicity. Studying phytochemicals is vital as they offer insights into natural remedies and innovations in medicinal practices.

22) Performance:
Performance in research context generally relates to the effectiveness of a treatment or intervention, assessed through behavioral or physiological outcomes. Analyzing the performance of rats in various tests allows researchers to draw conclusions regarding the impact of treatments like kolaviron on anxiety, exploratory behavior, and overall health.

23) Shrotriya (Srotriya):
Shrotriya likely refers to a contributing author. The inclusion of various authors in research papers reflects collaborative efforts essential for interdisciplinary studies. Each author's expertise enhances the depth and quality of research, fostering comprehensive investigations and interpretations of complex scientific phenomena in the field.

24) Flavonoid:
Flavonoid is a class of bioactive compounds found in plants, known for their antioxidant activities. Kolaviron, derived from Garcinia kola seeds, is a flavonoid complex studied for its neuroprotective properties. Understanding the role of flavonoids in health can lead to significant discoveries in disease prevention and treatment.

25) Species:
Species define the basic unit of biological classification, representing a group of similar organisms capable of interbreeding. In scientific studies, species selection is crucial, as specific animal models like Wistar rats allow researchers to generalize findings to broader contexts, especially in pharmacological research and neurobiology.

26) Water:
Water serves as a vital solvent in biological processes and laboratory experiments. It is essential for maintaining physiological conditions in animal studies. In research, water’s quality and presence are critical for ensuring the accuracy and reliability of experimental results, influencing behavior and health outcomes in subjects.

27) Gudi:
Gudi likely refers to a contributor to the study, a common practice in research where multiple authors collaborate. Each author's role in such studies enriches the research quality and broadens the analysis, underscoring the importance of teamwork in producing scientifically rigorous outcomes and advancements.

28) Drug:
Drug refers to any substance that causes a physiological change in the body. In the context of this study, kolaviron qualifies as a drug evaluated for its therapeutic effects against CPZ-induced neurotoxicity. Understanding drug interactions and mechanisms is essential for developing effective treatments for various diseases.

29) Pur:
Poor can describe inadequate outcomes or conditions in scientific assessments. In this study, the presence of poor cellular health, indicated through histological evaluations, highlights the detrimental effects of cuprizone. Identifying poor treatment responses is crucial for refining therapies and enhancing their effectiveness in medical applications.

30) Purification:
Purification refers to the process of isolating a specific compound from a mixture. In the context of this research, purification of kolaviron from Garcinia kola is critical to ensure the study accurately assesses its effects. Purification techniques are essential in determining the purity and bioactivity of pharmacological agents.

31) Discussion:
Discussion is a section in research papers where findings are interpreted, contextualized, and linked to existing literature. It enables researchers to explore implications, limitations, and future directions based on experimental results. This critical analysis aids in advancing scientific knowledge and understanding within a particular field of study.

32) Developing:
Developing signifies the process of creating or improving interventions or therapeutic agents. In scientific research, developing effective treatments is essential for addressing diseases like multiple sclerosis using natural substances like kolaviron. This process involves rigorous testing and substantial effort to translate findings into practical applications.

33) Toxicity:
Toxicity refers to the degree to which a substance can cause harmful effects. In this study, cuprizone's neurotoxicity is examined to understand its impact on the nervous system. Evaluating toxicity is crucial for assessing the safety and efficacy of potential therapeutic agents, guiding medical interventions.

34) Activity:
Activity denotes the observable behaviors or physiological responses being measured in research. In the context of this study, animal activity is assessed through behavioral tests for anxiety and exploration. Understanding activity levels aids in evaluating the effects of treatments and the overall implications for health interventions.

35) Purity:
Purity indicates the level of contamination or the presence of unwanted substances within a compound. In pharmacological research, assessing the purity of substances like kolaviron is vital to ensure its effectiveness and safety for use, influencing both experimental outcomes and potential therapeutic applications.

36) Nature:
Nature refers to the intrinsic characteristics or qualities of an organism or substance. In the context of this research, understanding the nature of kolaviron's biochemical properties is crucial for elucidating its pharmacological effects. This focuses on its potential as a natural remedy for degenerative diseases.

37) Hind:
Hind generally describes the rear end or posterior part of an organism. In animal studies, hind limb activities might be assessed to evaluate motor functions or locate regions of interest. Assessments involving hind regions can reveal critical information about neuromuscular and behavioral functions.

38) Cage:
Cage is often used to house laboratory animals, ensuring a controlled environment for studies. Proper cage conditions are essential for the welfare of research animals, influencing their behaviors and responses in experiments. A suitable cage fosters normal activities, allowing for valid scientific observation and results.

39) Wall:
Wall can refer to the physical barriers within a testing apparatus, such as an open field or maze. Walls define the boundaries within which animals explore or behave. Understanding how walls affect animal movement and behaviors aids in interpreting data and creating relevant scientific conclusions.

40) Male:
Male signifies the gender of the test subjects in research studies. The use of male animals may mitigate variability in data related to hormonal fluctuations seen in females. Gender considerations are critical in biological research to ensure findings are applicable and reproducible across different populations.

Other Science Concepts:

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Discover the significance of concepts within the article: ‘Kolaviron Safeguards Brain Regions in Cuprizone MS Model’. Further sources in the context of Science might help you critically compare this page with similair documents:

Garcinia kola, Open field, Protective role, Therapeutic role, Central nervous system, Animal behaviour, Emotional imbalance, Oral administration, Hippocampus, Treatment group, Experimental group, Thin Layer Chromatography, Anti oxidant, Reactive oxygen species, Therapeutic potential, Cognitive dysfunction, Significant improvement, Anti-oxidant Properties, Multiple sclerosis, Elevated Plus Maze, Neurotoxicity, Anti-inflammatory agent, Morphological observation, Weight loss, Neuronal loss, Neuroprotective role, Neuroprotective effect, Motor dysfunction, Phosphate-buffered saline, Open field test, Standard diet, Neurodegenerative disease, Demyelination, Prefrontal Cortex, Ethyl Acetate, Degenerative change, Petroleum ether, Neurotoxicity Prevention, Histological Observation, Experimental animal, Therapeutic target, Wistar rat, Neurological Dysfunction, Apoptotic Changes, Institutional Animal Care, Neuronal degeneration, Exploratory behaviour, In vivo and In vitro, Neurodegenerative condition, Behavioral deficit, Anxiety-like behaviour, Behavioural impairment, Demyelinating disease, Behavioral outcomes, Apoptotic cell, Multiple comparisons test, High levels of anxiety, Neuronal cells, Neuronal death, Behavioral impairment.

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