Research Article

Biochemical Effect Of The Protective Effect Of Quercetin After Induced Hepatotoxicity By Cyclophosphamide In Male Rats

Mustafa M. Khalaf*, Rana A. Salih

Department of Physiology, Biochemistry and Pharmacology, College of Veterinary Medicine, University of Baghdad, Iraq.

Received | June 28, 2023; Accepted | July 20, 2023; Published | September 15, 2023

*Correspondence | Rana A Salih Department of Physiology, Biochemistry and Pharmacology, College of Veterinary Medicine, University of Baghdad, Iraq; Email: rana.a@covm.uobaghdad.edu.iq

Citation | Khalaf MM, Salih RA (2023). Biochemical effect of the protective effect of quercetin after induced hepatotoxicity by cyclophosphamide in male rats. Adv. Anim. Vet. Sci. 11(10): 1697-1707.

DOI | http://dx.doi.org/10.17582/journal.aavs/2023/11.10.1697.1707

ISSN (Online) | 2307-8316

 

 

Copyright: 2023 by the authors. Licensee ResearchersLinks Ltd, England, UK.

This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

INTRODUCTION

Hepatotoxicity refers to liver damage or harm caused by contact with drugs such as NSAID , chemotherapy for long time or with other non-pharmacological substances (Hasan et al., 2014: Al-Ameedi, 2016). Hepatotoxic symptoms include acute and chronic hepatitis microvesicular steatosis or macrovesicular steatosis. It is possible to think about hepatotoxicity as the outcome of a negative relationship between two xenophobic systems in the liver, cholestasis, granulomatous hepatitis, fulminant hepatitis, ductopenia, and steatosis (Al-Rikabi, 2012; Salih, 2020). Chemotherapeutic is the use of artificial substances or medications derived from plants that are hazardous to cancer cells and inhibit their growth and division (Hashim, 2012). The hepatic microsomal P450 enzyme breaks down cyclophosphamide into its two active ingredients, phosphoramide, and acrolein metabolite (Ali and Hasan, 2016: Steinbrecht et al., 2020). Acrolein is toxic to normal cells, and Phosphoramide induces cytotoxicity (Gelen et al., 2018). Reactive oxygen species are activated by acrolein, which also causes peroxynitrite production, severely destroying production of peroxynitrite and severely destroying peroxynitrite, which severely destroys the cell’s proteins, lipids, and DNA (Korkmaz et al., 2007) The liver along with the kidneys are vital organ in the metabolism and excretion of CYP and its reactive metabolites, hence renal toxicity and liver toxicity are two of them that are regarded as being the most severe (Zhai et al., 2018). Chemotherapy improves the quality of life for cancer patients. On the other hand, it has a variety of harmful effects on normal cells and tissue (Al-Jammas, 2019).From early life, there has been a progressively greater interest in developing herbal-based medications for use as complementary therapies (Thabit, 2018). Quercetin, A major flavonoid that may be found highly contained in red wine, leafy greens, and fruits, is a dietary flavonoid that is present in many of our foods, including berries, onions, and apples. Black cumin contains a significant quantity of quercetin, a flavonoid that exhibits antioxidant capabilities against a number of diseases, including cirrhosis, biliary obstructions, liver fibrosis, atherosclerosis, renal damage, and others. Quercetin has recently attracted attention for its remarkable health advantages, establishing it as a key ingredient for creating innovative foods that have beneficial effects and medications (Al-Mazaien, 2012; Lin et al., 2014; Costa et al., 2016). There has been a lot of interest recently in the use of dietary antioxidants when combined with chemotherapeutic drugs to lessen their negative side effects and the oxidative organ damage they cause after delivery (Cerig et al., 2016). Their impact on hepatic damage brought on by cyclophosphamide has not yet been determined. So, the purpose of the study was to observe the way natural antioxidants like quercetin protect the liver from cyclophosphamide-induced liver damage in rats.

METHODS AND MATERIALS

Animals And Experimental Protocol Of Subacute Exposure

Twenty-eight ale rats will be randomly grouped into four groups of seven rats each. Until the experiment’s ending (10 days), animals get the following daily treatment:

1- Group I (7 rats) was receive distilled water (D.W) orally (control group)

2- Group II (7 rats) induced subacute toxicity by cyclophosphamide at doses each with (100 mg/kg B.W) in (day1) and (day 30) (+ve control) intraperitoneally (I.P) to induce subacute liver injury (Emeka et al., 2020).

3- Group III (7 rats) was treated with quercetin 50 mg/kg B.W orally for (thirty days) till the end of the experiment (Prabu et al., 2013).

4- Group IV (7 rats) was treated with quercetin (50 mg/kg body. W) orally daily for (thirty consecutive days.) induced subacute liver injury by giving cyclophosphamide six hours after the quercetin administered at doses each with 100 mg/kg B.W in (day1) and (day thirty ) intraperitoneally (I.P) to induce subacute liver injury (I.P) (Prabu et al., 2013; Emeka et al., 2020).

Sample Collection From Rats

At the end of the investigation, all of the rats were slaughtered, put the needle directly in heart after anesthesia and drops of blood were collected in tube, then centrifuged for 15 minutes at 4 °C, and the results were analyzed. A portion of serum was kept at -20 °C after biochemical analysis of liver enzymes. Liver samples were rapidly collected, and one section of the remaining portion of the liver was immediately frozen and proceeded to -20 °C for homogenate preparation while the small part was stored in 10% buffered formalin for histological investigation.

Assessment Of Liver Function Tests

Alkaline phosphatase, total serum protein aspartate aminotransferase, and alanine aminotransferase in the end of the experiment, blood samples were collected from the heart, and the blood was centrifuged for 15 minutes at 4000 rpm. Serum samples from all groups were collected and then put to use for different biochemical evaluations and plasma samples were used to evaluate the prothrombin time test (Koriem and Soliman, 2014).

Determination Of Hepatic Oxidative Stress Markers

Tissue Homogenization For Mda, Gsh: Using the homogenization process, rat liver homogenates’ (MDA and GSH) concentrations are determined by: As soon as the animals had been slaughtered, the livers were quickly removed from them and homogenized using Brinkman polytron in homogenization buffer (pH 7.2, 4 °C, PBS with 0.05% sodium azide, 0.5% Triton X-100, and a cocktail of protease inhibitors). After that, the livers were quickly sonicated for ten minutes. Following a ten-minute centrifugation at 12,000 x g, the supernatants of homogenates were analyzed for MDA and GSH concentrations using an ELISA. The MDA and GSH levels were expressed as Pg/mg of total protein. (Borovikova et al., 2000).

Estimation‎ of Prothrombin Time: When tissue factor is added to citrated plasma that has been recalcified in lab equipment on point-of-care (POC) devices, PT monitors the amount of time it takes for clotting to occur. The quantity of clot formation is measured as the PT when a patient’s citrated plasma sample is combined with thromboplastin, a substance comprised of tissue factor, calcium, and phospholipid. The coagulation factors fibrinogen, and factors (II, V, VII, and X) can all be used as screening assays. (Tripodi et al., 2007).

Statistical Analysis

The Statistical Analysis System- SAS (2018) program was used to detect the effect of difference factors in study parameters. Least significant difference –LSD test (Analysis of Variation-ANOVA) was used to significantly compare between means in this study (SAS, 2018)

RESULTS AND DISCUSSION

The subacute exposure as in Table (1) and Figure (1) the Quercetin group exhibits a significant decrease at (P≤0.05) when comparison to the control group and a non-significant change with cyclophosphamide and mixed group. The cyclophosphamide group exhibits a significant decrease at (P≤0.05) when comparison to the control group and a non-significant change with quercetin and mixed group when comparison to the control group, the mixed group exhibits a substantial (P≤0.05) decline, but the cyclophosphamide plus quercetin group does not.

 

The result agreed with our study (Obaid et al., 2022) which discovered that cyclophosphamide caused weight loss, activity decline, and starvation in cyclophosphamide-treated rats. Reduced adipose tissue and proteins, which may be related to decreased appetite brought on by anticancer drugs, may be to blame for the difference in body weight between the two points in time. gastrointestinal toxicity and subsequent decrease in food intake with the animal’s loss of appetite or excessive loss of water, salts, and proteins due to kidney injury, dehydration, and weight loss in anti-cancer drug-treated rats due to the loss of appetite or excessive loss of water, salts, and proteins due to kidney injury and weight loss (Greggi et al., 2000; Atessahin et al., 2005) this result conformity with (Nabavi et al., 2015) that show Quercetin (50 mg/kg B.W for (30 days) (Prabu et al., 2013), demonstrates a broad variety of pharmacological and health-promoting actions, including antibacterial, anti-inflammatory, cancer prevention. and liver-protective properties. Additionally, quercetin inhibits obesity by activating the adenine monophosphate-activated protein kinase and mitogen-activated protein kinase signaling pathways.

The Effects Of Cyclophosphamide And Quercetin On Serum Liver Enzymes (Ast, Alt, Alp).

All rats treated are shown in Table (2) and Figures (2, 3, 4) in ALT the subacute exposure there is a significant increase in cyclophosphamide levels when comparison with the control, quercetin, and mixed group, the quercetin group shows a non-significant with the control and mixed group, mixed group (quercetin and cyclophosphamide) show a significant decrease at (P≤0.05) when compared with a cyclophosphamide group and a non-significant with the control and quercetin group. In ALP show Table (2) in the subacute exposure there is a significant increase at (P≤0.05) in cyclophosphamide levels when in comparison with the control, quercetin, and mixed group, the quercetin group shows a significant decrease at (P≤0.05) when compared with the cyclophosphamide group and there is a non-significant with control and mixed group. The mixed group (quercetin and cyclophosphamide) show a significant decrease when in comparison with the cyclophosphamide group and have a significant increase at (P≤0.05) with the control group, a non-significant with the quercetin group. The AST results Table (2) in the subacute exposure there is a significant increase at (P≤0.05) in cyclophosphamide levels when in comparison with the control, and mixed group, the quercetin group shows a non-significant decrease when compared with the cyclophosphamide, quercetin, and control group. The mixed group (quercetin and cyclophosphamide) shows a significant decrease at (P≤0.05) when in comparison with the cyclophosphamide and a non-significant with the quercetin and control groups.

The result of liver enzymes (ALP, ALT, and AST) agreed with those obtained by (Elsayed, 2021) The CP-induced hepatotoxicity in this investigation was demonstrated by significant variations in the serum liver enzyme (AST, ALT, and ALP) as in Table (2, 3, and 4).

 

 

Table 1: Effect of quercetin and cyclophosphamide on body weight of male rats for subacute exposure 30 days

Group/ periods	Mean ± SE of Body weight(gm)			LSD value
	Zero time	Two week	Fourth week
Control	249.57 B b	259.00 A ab	271.86 A a	20.86 *
Cyclophosphamide	267.17 AB a	258.33 A a	246.00 B a	19.71 NS
Quercetin	274.13 A a	263.57 A ab	250.28 B b	22.08 *
Cyclophosphamide+ quercetin	270.00 AB a	259.86 A a	241.14 B a	18.98 NS
LSD value	21.84 *	17.694 NS	20.066 *

This means with different big letters in the same column and small letters in the same row are significantly different. * (P≤0.05).

 

Table 2: Effect of cyclophosphamide and quercetin sub-acute exposure in serum ALP, ALT, and AST level

Group	Mean ± SE (mu/ml)
	Subacute ALP (30 Days)	Subacute ALT (30 Days)	Subacute AST (30 Days)
Control	79.211 ±3.07 C	18.731 ±0.88 B	18.624 ±0.77 B
Cyclophosphamide	107.371 ±5.41 A	28.20 ±1.86 A	23.514 ±1.29 A
Quercetin	87.938 ±4.18 BC	21.387 ±1.03 B	21.261 ±1.15 AB
Cyclophosphamide+ quercetin	93.473 ±4.63 B	23.021 ±1.09 B	19.177 ±1.31 B
LSD value	9.815 *	5.037 *	4.238 *

This means with different big letters in the same column are significantly different. * (P≤0.05).

 

Table 3: The Effects of Cyclophosphamide and Quercetin on GSH and MDA in hepatic tissue sub-acute Exposure.

Group	Mean ± SE (Pg/mg)
	Subacute GSH (30 Days)	Subacute MDA (30 Days)
Control	73.841 ±3.41 A	1.284 ±0.09 B
Cyclophosphamide	17.815 ±0.86 C	3.967 ±0.18 A
Quercetin	37.317 ±1.95 B	1.706 ±0.08 B
Cyclophosphamide+ quercetin	34.921 ±2.15 B	2.03 ±0.14 AB
LSD value	8.673 *	1.982 *

This means with different big letters in the same are significantly different. * (P≤0.05).

 

Hepatocyte membranes become damaged and necrosis as a result of the free radicals’ attachment to them. This causes structural breakdowns in the membranes, which caused intracellular cytosol (AST, ALT, and ALP) to be released into the blood (Basiglio et al., 2021). These results are in agreement with those obtained by (Adikwu and Bokolo, 2018) Aminotransferases are the most prevalent and reliable indicators of hepatocellular necrosis. These enzymes respectively catalyze the transfer of the alpha-keto groups of ketoglutaric acid and aspartate, two alpha-amino acids, respectively (Rosen and Keeffe, 2000). A marker enzyme for the plasma and endoplasmic reticulum known as alkaline phosphatase is frequently used to evaluate the integrity of the plasma membrane (Kwo et al., 2017). Normal correlations between abnormal increases in ALT, ALP, AST levels, and liver damage exist. The loss of enzymes from

 

hepatocytes as a result of Cyclophosphamide-induced hepatic damage causes an increase in systemic circulation and activity (Senthilkumar et al., 2006). During the present investigation, rats given CP showed clearly increased liver and serum ALT, AST, and ALP levels. This finding reflects the destruction of liver cells and altered membrane function (Kumar et al., 2005) it is important that when rats were given cimetidine and CP, the levels of these enzymes were recovered. However, in comparison to rats treated with cyclophosphamide alone, those given quercetin (prior to cyclophosphamide administration) showed substantial decreases in the level of liver enzymes (AST, ALT, and ALP). However, there was a considerable drop in liver enzyme levels that brought them close to control values, and these findings were consistent with this study (Sherif, 2018) that demonstrate rats treated with quercetin showed a substantial decrease in blood liver enzymes when comparison to rats treated with cyclophosphamide. Due to its capacity to maintain the structural integrity of the liver and prove its hepatoprotective efficacy, Chen (2010) found that quercetin effectively reduced the rise of blood ALT and AST levels brought on by ethanol poisoning (Chen, 2010). Similar final results were reported in a different research by (Olayinka and his colleagues, 2014), demonstrating quercetin’s hepatoprotective properties in a rat model of melphalan’s hepatotoxicity, an alkylating anticancer drug (Olayinka et al., 2014).

The Effects Of Cyclophosphamide And Quercetin Mda And Gsh In Hepatic Tissue.

The result of GSH as in Table (3) and in subacute exposure there is a significant decrease at (P≤0.05) in cyclophosphamide levels when comparison with another group, the quercetin group shows a significant decrease at (P≤0.05) when comparison with the control group, and there is a non-significant between quercetin and mixed group. The MDA results as in Table (3) In subacute exposure there is a significant increase at (P≤0.05) in cyclophosphamide levels when comparison with the control and quercetin groups, the quercetin group shows a significant at (P≤0.05) decrease when comparison with the control group and there is a non-significant between quercetin and mixed group.

This result that finds in agreement with other research (El-Sheikh., 2017) a drop in GSH, as well as a rise in the lipid peroxidation product MDA, which are signs of tissue oxidative stress brought on by cyclophosphamide. It’s interesting to note that prior studies suggested that cyclophosphamide itself was not the cause of multiorgan toxic effects, but rather that this was due to its toxic metabolites, which, especially at high doses, caused the release of significant amounts (ROS), such as H2O2, HOCl, O2, and OH (Nishikawa et al., 2015), reduces oxidative stress in many tissues. High ROS levels have been associated with the degeneration of cellular antioxidant defense systems, disruption of intracellular oxidant/antioxidant balance, and depletion of intracellular GSH levels (Tripathi et al., 2017), the primary detoxifier of ROS and antioxidant scavenger. It’s possible that the direct toxicity of cyclophosphamide’s metabolites or the harmful effects of ROS caused the resulting lipid peroxidation (Nishikawa et al., 2015), involves the production of the MDA byproduct of lipid peroxidation. Important antioxidant enzymes may also be depleted as a result of oxidative stress (Tripathi et al., 2017). This elevation of MDA and decrease of GSH in hepatic tissue were restored when rats were treated with quercetin post-injected with cyclophosphamide and show a significant decrease of these levels when compared to the cyclophosphamide and quercetin group. More studies that agree with this result, study shows the protective effect of quercetin against cyclophosphamide used (Sherif, 2018) The study demonstrated that quercetin supplementation decreased MDA levels and increased GSH levels in hepatic tissue, in contrast to rats administered Cyclophosphamide poisoning (Cerig et al., 2016). However, studies have demonstrated that quercetin pretreatment with melphalan dramatically raised hepatic levels of GSH, lowered hepatic MDA levels, and scavenged free radicals. This shows that by increasing the hepatic antioxidant enzymes SOD and catalas, quercetin was able to shield the liver from the damaging effects of melphalan (Olayinka et al., 2014). Flavonoid abundant in grape seeds is quercetin, which has been epidemiologically linked to defense against lipid peroxidation. (Hmod et al., 2012).

The Effects Of Cyclophosphamide And Quercsetin On Total Serum Protein.

The result of total serum protein as in Table (4) and figure (7) in the subacute exposure there is a significant decrease at (P≤0.05) in cyclophosphamide levels when comparison with the control and a non-significant change with quercetin and mixed group, the quercetin group shows a significant decrease at (P≤0.05) when comparison with the control group and there is a non-significant with the cyclophosphamide and mixed group, mixed group (quercetin and cyclophosphamide) show a significant decrease at (P≤0.05) when comparison with a control group and a non-significant with the cyclophosphamide and mixed groups.

Cyclophosphamide signification reduced in level total serum protein (TP) in group rats treated compared to the control group and quercetin group caused by the pathological cytotoxic effect of cyclophosphamide, quercetin that show a significant decrease of total serum protein (TP) that produced by malabsorption and reduced of digestive of protein and may cause a decrease of body weight and total serum protein, this result that agreed with another study. Quercetin results agree with (Cheng et al., 2021) a non-specific inhibitory efficacy is shown by the fact that a little Ki/IC50 ratios in the micromolar or submicromolar range, quercetin has been shown to inhibit the proteolytic activities of numerous serine proteases, Quercetin’s crystal

 

Table 4: The Effects of Cyclophosphamide and Quercetin on Total serum protein in Sub-acute Exposure.

Group	Mean ± SE of Total serum protein (mg/dl)
	Subacute (30 Days)
Control	4.713 ±0.35A
Cyclophosphamide	1.814 ±0.09B
Quercetin	2.048 ±0.16B
Cyclophosphamide + quercetin	1.745 ±0.20B
LSD value	1.863 *

This means with different big letters in the same column are significantly different. * (P≤0.05).

 

structure in combination with urokinase-type plasminogen activator (uPA) was previously found (Xue et al., 2017). The fact that the uPA residues on trypsin that bind to quercetin are identical to those on those residues in our crystal structure is particularly intriguing, suggesting that quercetin may inhibit trypsin through a similar mechanism. The catechol moiety of quercetin, which is deeply inserted into the S1-specific pocket, is primarily responsible for the inhibitory efficacy of quercetin binding. The fact that catechol alone only had a very mild inhibitory effect on trypsin (IC50 > 3 mM) shows that another moiety could be quite important in the binding. Quercetin, morin, kaempferol, and isorhamnetin all shown close to IC50 values for trypsin inhibition; however, rutin displayed lower inhibitory activity, possibly as a result of the steric hindrance of the bulky glycoside on its B3 position.

 

For cyclophosphamide, it was decided to use a lower total serum protein level. (Elshater et al., 2018) additionally, it was discovered that after receiving CP injections, the total protein and albumin levels in the rats significantly decreased. The current findings are consistent with those from prior investigations (Mano et al., 2006). A measure of the severity of liver injury is provided by the levels of serum total protein and albumin. Hepatocyte dysfunction was seen as the procedure progressed (after the administration of greater dosages of the medication), including disruptions in the production of certain proteins (Salman et al., 2016; Salman et al., 2017). In addition, (Senthilkumar et al., 2006) discovered that rats given CP injections for two days showed signs of hypoproteinemia. They explained that by preventing protein synthesis, the CP caused liver damage to cells. Therefore, hepatotoxicity was demonstrated by the reduced blood total protein levels in the Cyclophosphamide-injected animals.

The Effects Of Cyclophosphamide And Quercetin On Total Prothrombin Time Test.

The result of prothrombin time as in Table (5), and Figure (8) In the subacute exposure there is a significant increase at (P≤0.05) in cyclophosphamide levels when comparison with the control and quercetin group a non-significant change with a mixed group, the quercetin group shows a significant decrease at (P≤0.05) when comparison with the cyclophosphamide and mixed groups, and there is a non-significant with the control group, mixed group (quercetin and cyclophosphamide) show a significant increase at (P≤0.05) when comparison with a control group.

 

Table 5: Effects of cyclophosphamide and Quercetin on prothrombin time test for Sub-acute exposure.

Group	Mean ± SE of Prothrombin time (sec)
	Subacute (30 Days)
Control	14.261 ±0.71B
Cyclophosphamide	25.760 ±1.44A
Quercetin	19.15 ±0.88B
Cyclophosphamide + quercetin	24.338 ±1.52A
LSD value	5.027 *

This means with different big letters in the same are significantly different. * (P≤0.05).

The effect of cyclophosphamide shows a significant increase in prothrombin time this result is caused by the hepatotoxic effect of cyclophosphamide, the quercetin caused a significantly prolonged prothrombin time the result of cyclophosphamide that agreed with another study (Ewees et al., 2018) That observed a considerable, slow rise in the Pt that began one day after the Cyclophosphamide injection and peaked four days later, The platelet count significantly dropped along with the increase in Pt, This could be linked to the activation of platelets brought on by the coagulation cascade being activated, Injured tissue attracts blood coagulation factors, involves the release of chemotactic molecules and adhesion molecules from activated platelets, inflammatory mediators, leukocytes, and other platelets from circulation thrombocytopenia (Gresele et al., 2017). Quercetin results agreed with the study (Choi et al., 2016) studies suggest it could control coagulation by preventing the production of fibrin and coagulation components and by directly causing blood clots to break down, Additionally, flavonoids prevented thrombin and FXa from acting as pro-coagulant proteinases. It has been observed that both direct and indirect inhibitory strategies can control pro-coagulant proteinases (Henry et al., 2007), According to the results of the thrombin and FXa assays, quercetin and its glucoside may attach directly or react with procoagulant proteins, decreasing their enzymatic activity. Other research (Alnaqeeb et al., 2019) It was discovered that the additive antiplatelet activity of the pomegranate peel extract may have contributed to the rise in PT values after dosing rats with the extract, The effect of guava leaves, specifically its quality marker quercetin, Quercetin, a flavonoid included in guava leaf extract that has been previously shown to raise the risk of bleeding or amplify the effects of warfarin medication, may also have an impact on PT and INR readings.

CONCLUSION AND RECOMMENDATIONS

1: It is clear from the current study’s findings of the levels of numerous biochemical indicators that quercetin provides liver protection against cyclophosphamide. The ALT, AST, and ALP liver enzymes that drop in the cyclophosphamide group

2: After quercetin treatment also show a reduced in MDA and an increase in GSH after treatment, and quercetin also causes a decrease in total serum protein

3: The effectiveness of hepatoprotective increased in liver with quercetin compared to individual cyclophosphamide alone.

ACKNOWLEDGMENTS

I would like to thank the staff of the physiology and Pharmacology Department/ College of Vet. Med. Baghdad University for their flexibility, professional ideas, and advice throughout my study.

CONFLICT OF INTEREST

The author declares that there is no conflict of interest.

novelty statement

The novelty of the study is focused on pharmacological Effect of quercetin as an effective hepatoprotective, and to reduce the toxicity of the cytotoxic effect of cyclophosphamide on the liver.

AUTHORS CONTRIBUTION

The authors each contributed equally.

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