Name: behavioral and network pharmacology-based analyses for the traditional mongolian medicine zadi-5 in a rat model of depression
Uploaded: 2023-02-24T13:25:00
Description: Watch this Scientific Journal Video about Behavioral and Network Pharmacology-Based Analyses for the Traditional Mongolian Medicine Zadi-5 in a Rat Model of Depression at JoVE.com

We are grateful for the instrumentation and laboratory provided by the Mongolian medical faculty of the Inner Mongolian Medical University, China. This study was supported by the National Natural Sciences Foundation of China (81760762) and the Science and Technology Plan Project of the Health Commission of Inner Mongolia, China (202201300).

All the experimental protocols were approved by the Ethics of Animal Experiment Care Committee of Inner Mongolia Medical University and followed the guidelines of the National Institutes of Health on animal care and ethics. Male Sprague Dawley (SD) rats aged 8 weeks old (200 g &#177; 20 g) were housed in a room with a controlled temperature (22 &#176;C &#177; 2 &#176;C) and humidity (55% &#177; 15%) under a 12 h/12 h regulated light/dark cycle for 1 week. See Figure 1 for the workflow of the...

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Depression is a mental disease characterized by low mood, anhedonia, and a lack of energy. This disorder is accompanied by distraction, cognitive dysfunction, social withdrawal, insomnia, sexual dysfunction, and gastrointestinal diseases18,19. In the study of depression, establishing an animal model is crucial for understanding the pathological mechanisms and effects of new drugs. In this study, a CUMS-induced rat depression model was established through the irri...

Depression, also known as major depressive disorder (MDD), is a severe neuropsychiatric disease responsible for growing medical and economic burdens on society. Due to the associated complexity, morbidity, and mortality rates, a significant amount of research has been conducted to find remedies for the disorder1,2. According to a mental health survey by the World Health Organization, around 350 million people currently suffer from depression and its associated symptoms worldwide. It is predicted that depression will overtake cancer and cardiovascular diseases as the leading cause of disease burden globally by 2030. Thus, the prevention and treatment of depression will become a global priority in the near future3. The pathogenesis of MDD has not yet been elucidated. Still, it is commonly attributed to the following factors: genetic predisposition, dysfunction of the hypothalamus-pituitary-adrenal axis, reductions in neurotransmitter secretion, neuroimmune dysregulation-induced neuroinflammation, cell apoptosis, and reduced cell proliferation4,5. 
Among these factors, neuroimmune dysregulation-induced neuroinflammation and altered secretion of neurotrophic factors have received particular attention for their roles in the development of depression and many other psychiatric diseases6. In the past decade, scholars have demonstrated that the hippocampus is the dominant site for regenerative nerve functions and is involved in regulating emotion and cognition. In this regard, the hippocampal neurons are recognized as novel therapeutic targets for antidepressant medicines under development7,8. Moreover, the hippocampus is also reported to be involved in short-term and long-term memory in learning and consolidating memories. Specifically, the shortage of pyramidal neurons in the CA1 region of the hippocampus causes retrograde and anterograde amnesia9. A typical antidepressant therapeutic strategy aims to enhance cell proliferation and neurogenesis in the dentate gyrus of the hippocampus. Natural product-derived compounds and small molecules synthesized based on medicinal chemistry techniques are considered the primary sources of innovative therapeutic agents for various neuropsychiatric conditions. 
Traditional Mongolian medicines, which have a long history and a well-supported theoretical medical system, have descended from the nomads of the Mongolian plateau These medicines display multi-target and multi-pathway effects due to the various medicinal components that act in concert to generate synergistic functions. Zadi-5 is a well-established formulation among such drugs and was first recorded in "Clinical Experience of Dr. Gao Shi," written by an outstanding Mongolian clinician called Dr. Gao Shi (1804-1876). It has been clinical practice for a long time in Mongolia to use these pills to treat the symptoms of distress, palpitation, irritation, and cardiac stabbing pain10,11. Moreover, Zadi-5 has proven effects on alleviating post-stroke depression in affected patients12. The recent experimental research on CUMS has revealed that the Zadi-5 formulation alleviates depression by regulating the central neurotransmitters13; indeed, with Zadi-5, increased levels of brain-derived neurotrophic factor (BDNF) and tyrosine kinase receptor B (TrkB) have been detected and correlated with improved learning and memory in a rat model of depression14. However, the exact mechanism of action of Zadi-5 for such alleviation of depression has not been elucidated.
This study aimed to demonstrate the therapeutic effects of Zadi-5 against depression in rats using a behavioral test and identify the components of Zadi-5 using Traditional Chinese Medicine Systems Pharmacology (TCMSP) and Swiss Target Prediction to predict the potential mechanisms underlying the efficacy of Zadi-5, a traditional Mongolian medicine, in treating depression.

<table border="1" fo:keep-together.within-page="1" fo:keep-with-next.within-page="always">
	<tbody>
		<tr>
			<td>Cytoscape software</td>
			<td></td>
			<td>&#160;version 3.7.0</td>
			<td></td>
		</tr>
		<tr>
			<td>Fluoxetine</td>
			<td>Lilly Suzhou Pharmaceutical Co., Ltd</td>
			<td>J20160029</td>
			<td></td>
		</tr>
		<tr>
			<td>Morris water maze video trail analysing system&#160;</td>
			<td>Tai Meng Tech Co., Ltd</td>
			<td>WMT-200</td>
			<td></td>
		</tr>
		<tr>
			<td>Sprague Dawley rats</td>
			<td>Beijing Biotechnology Co., Ltd, China</td>
			<td>&#160;SCXK (JING) 2016-0002</td>
			<td></td>
		</tr>
		<tr>
			<td>&#160;video tracking system</td>
			<td>Tai Meng Tech Co., Ltd</td>
			<td>ZH-ZFT</td>
			<td></td>
		</tr>
		<tr>
			<td>Zadi-5 pill</td>
			<td>Pharmaceutical Preparation Center of International Mongolian Hospital, Inner Mongolia, China</td>
			<td>M1301006</td>
			<td></td>
		</tr>
	</tbody>
</table>

behavioral and network pharmacology-based analyses for the traditional mongolian medicine zadi-5 in a rat model of depression

Zadi-5 is a traditional Mongolian medicine that is widely used for the treatment of depression and symptoms of irritation. Although the therapeutic effects of Zadi-5 against depression have been indicated in previously reported clinical studies, the identity and impact of the active pharmaceutical compounds present in the drug have not been fully elucidated.&#160;This study used network pharmacology to predict the drug composition and identify the therapeutically active compounds in Zadi-5 pills. Here, we established a rat model of chronic unpredicted mild stress (CUMS) and conducted an open field test (OFT), Morris water maze (MWM) analysis, and sucrose consumption test (SCT) to investigate the potential therapeutic efficacy of Zadi-5 in depression. This study aimed to demonstrate Zadi-5&#39;s therapeutic effects for depression and predict the critical pathway of the action of Zadi-5 against the disorder. The vertical and horizontal scores (OFT), SCT, and zone crossing numbers of the fluoxetine (positive control) and Zadi-5 groups were significantly higher (P &#60; 0.05) than those of the CUMS group rats without treatment. According to the results of network pharmacology analysis, the PI3K-AKT pathway was found to be essential for the antidepressant effect of Zadi-5.

Behavioral test in animals 
Results of the behavioral tests in the CUMS-induced rat depression model 
No significant differences between the tested groups were found for the OFT score, sucrose consumption, and MWM analysis before CUMS stimulation. After establishing the CUMS model, the MOD group&#39;s vertical and horizontal scores were lower than those of the CON group (P &#60; 0.05). Compared with the MOD group, the vertical and horizontal scores of the POS and Zadi-5 groups ...

Watch this Scientific Journal Video about Behavioral and Network Pharmacology-Based Analyses for the Traditional Mongolian Medicine Zadi-5 in a Rat Model of Depression at JoVE.com

Behavioral and Network Pharmacology-Based Analyses for the Traditional Mongolian Medicine Zadi-5 in a Rat Model of Depression

The present protocol describes a method for the behavioral test validation and bioinformatical prediction of the therapeutic efficacy of Zadi-5, a traditional Mongolian medicine, in depression.

Zadi-5 is a traditional Mongolian medicine that is widely used for the treatment of depression and symptoms of irritation. Although the therapeutic ...

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