scholarly journals Nutrient, Bioactive Components and Effects of Ethanol Extracts of Annona muricata Leaves and Fagara zanthoxyloide Roots on Zidovudine-Induced Oxidative Stress in Wistar Rats

Author(s):  
O. U. Ekere ◽  
C. C. Monago-Ighorodje ◽  
C. U. Ogunka-Nnoka

The study was designed to determine the nutrient, bioactive components and the effects of ethanol extracts of the leaves of Annona muricata (AM) and the roots of Fagara zanthoxyloide (FZ) on zidovudine-induced oxidative stress in wistar albino rats. Wistar albino rats were divided into four groups of five rats each. Groups 2-4 were induced with 100 g/ml/Kg bw of zidovudine (ZDV) and varying concentrations of the extracts (group 3 and 4); while group 1 served as the control. The results of the proximate composition of both plants showed the following ranges: moisture (10.32-18.30%), ash (0.65-9.45%), crude protein (1.38-10.54%), crude fat (2.35-9.73%), crude fibre (3.00-15.53%) and carbohydrate (50.19-65.23%). Iron was the highest mineral present in all the samples followed by zinc and calcium for FZ and AM respectively; while folate and ascorbic acid were the highest vitamins present in both samples. Phytochemical composition results revealed higher concentrations of alkaloids, flavonoid and phenols in the leaves and roots of both samples. Acute toxicity study revealed no short term toxicity below 6 g/ml/Kg bw for the leave extract of Annona muricata and 4 g/ml/Kg bw for the root extract of Fagara zanthoxyloide. Administration of zidovudine to albino rats resulted in a significant increase (p≤0.05) in biomarkers of oxidative stress; while subsequent treatment with ethanol extracts of the leaves of AM and roots of FZ reduced the activities of superoxide dismutase, catalase and glutathione. The splenic histology revealed atrophy, early onset necrosis and reduction in sinusoidal pore size in the negative control group which were absent in the extract treatment groups indicating a protective effect conferred by extracts against oxidative stress. The study, therefore suggests that these plants may play some key roles in alleviating salient nutritional, physiological and oxidative stress related challenges.

Author(s):  
Ekere, Oghenekaro Uchechukwu ◽  
Ikpeama, Utomoibor Evelyn

Zidovudine administration either in single or fixed-dose combination usually results in a decrease in body weight and in some cases thrombocytopenia. The present study investigated the body weight and platelet count changes observed in zidovudine pre-administered Wistar albino rats on treatment with ethanolic extracts of the leaves Annona muricata (AM) and roots of Fagara zanthoxyloide (FZ). Plants samples were collected from Alakahia community, Rivers state and Opoo community, Ogun state; while Wistar albino rats were grouped into normal control, negative control (receiving zidovudine at 100 g/ml/Kg bw), AM and FZ extract treatment (at 4.5 and 3.8 g/ml/Kg B.W respectively) groups with analysis performed bi-weekly. All tests were performed using standard procedures with all reagents of analytic grade. Phytochemical screening of the extracts showed significantly high amounts of alkaloids (10.47- 21.15 mg / 100 g), phenols (10.60-15.22 mg / 100 g) and tannins (14.23 - 50.19 mg / 100 g). The investigation into their proximate compositions also showed high fat (5.78 ± 0.02) in FZ, moisture (10.47 ± 0.05) in AM and fibre (7.37 ± 0.03) in FZ. The amino acid phenylalanine (5.10-6.01 g / 100 g), isoleucine (4.44-5.20 g / 100 g), lysine (4.03 -5.31 g / 100 g) was observed to be available in the extracts. In the normal control group body weight increased by 20.75 g at week 6 while administration of Zidovudine, resulted in a decreased in bodyweight by 1.14 g in week 2 and 3.32 g in week 6. Extract treatment caused a significant increase (p≤0.05) in body weight by 17.95g (AM) and 18.23g (FZ) at week 6. Platelet count was also observed to significantly decrease (p≤0.05) by 33.42% in the negative control group when compared to the normal control. This was observed to significant increases in extract treatment by 49.56% (AM) and 51.32% (FZ). The results thus suggest a possible beneficial effect of the extracts of AM and FZ in checkmating the weight and platelet loss observed as a side effect of zidovudine therapy as well as the possible use in haemorrhagic conditions to reduce bleeding without thromboembolism.


2021 ◽  
Author(s):  
James Nyirenda ◽  
Gershom B. Lwanga ◽  
Kaampwe M. Muzandu ◽  
David K. Chuba ◽  
Gibson M. Sijumbila

Abstract Ethnopharmacological relevanceAnemia is a very serious condition in Zambia. One of the plants that has been used traditionally is Phyllanthus muellerianus where different parts of shrub are used to treat a number of diseases in Zambian folklore medicine. Earlier studies have investigated medicinal properties of its aqueous root extracts. This study evaluated the effect of P. muellerianus roots on the hematological indices of albino rats and determined its phytochemical profile. Aim of the studyTo carry out phytochemical screening of the root extract and assess the ant-anemic effect of the aqueous extract on laboratory rats with tail-bled induced anemia Materials and MethodsThirty-six male albino rats placed in six groups were used for the study. The groups comprised the 100, 200, and 400 mg/kg plant extract, Ranferon (200 mg/kg) positive control, anemic non treated control and a normal (non-anemic) control. Anemia, induced through bleeding of the rats, was defined as hemoglobin (Hb) levels less than 12 g/dL. The anti-anemic potential of the plant was determined by comparing its effect on the hematological parameters of rats on treatment to that of the control group.ResultsAfter treatment, rats on the 400 mg/kg plant extract dose showed the greatest increase in the mean values for Hb, Packed cell volume (PCV) and RBC count were 43.3±1.2%, 15.4±0.3 g/dL and 6.3±0.3 x106 /mL respectively, when compared to the negative control group (P < 0.05). Phytochemical screening revealed positive results for alkaloids, flavonoids, saponins, glycosides, steroids, triterpenoids and tannins with varying amounts.Conclusions. The aqueous root extract of P. muellerianus was efficacious against anemia in a dose-dependent manner. The phytochemical compositions seem to be responsible for its hematopoietic properties. Thus, the root decoction of P. muellerianus is useful in alleviating anemia and the results lend credence to its use in traditional medicine in the management of anemia.


2011 ◽  
Vol 31 (6) ◽  
pp. 565-573 ◽  
Author(s):  
M Tutanc ◽  
V Arica ◽  
N Yılmaz ◽  
A Nacar ◽  
I Zararsiz ◽  
...  

Aim: In cyclosporin-A (CsA)-induced toxicity, oxidative stress has been implicated as a potential responsible mechanism. Therefore, we aimed to investigate the protective role of erdosteine against CsA-induced nephrotoxicity in terms of tissue oxidant/antioxidant parameters and light microscopy in rats. Materials and methods: Wistar albino rats were randomly separated into four groups. Group 1 rats treated with sodium chloride served as the control, group 2 rats were treated with CsA, group 3 with CsA plus erdosteine, and group 4 with erdosteine alone. Animals were killed and blood samples were analyzed for blood urea nitrogen (BUN), serum creatinine (Cr), uric acid (UA), total protein (TP), and albumin (ALB) levels. Kidney sections were analyzed for malondialdehyde (MDA) and nitric oxide (NO) levels and superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-Px) activities, as well as for histopathological changes. Results: In the CsA group, MDA, GSH-Px, BUN, and Cr levels were increased. The TP and ALB levels were decreased. These changes had been improved by erdosteine administration. Other biochemical parameters did not show any significant change. Conclusion: These results indicate that erdosteine produces a protective mechanism against CsA-induced nephrotoxicity and suggest a role of oxidative stress in pathogenesis.


2016 ◽  
Vol 2016 ◽  
pp. 1-8 ◽  
Author(s):  
Hemant Kumar Nagar ◽  
Amit Kumar Srivastava ◽  
Rajnish Srivastava ◽  
Madan Lal Kurmi ◽  
Harinarayan Singh Chandel ◽  
...  

Objectives. The present study was aimed at investigating the wound healing effect of ethanolic extract of Cestrum nocturnum (L.) leaves (EECN) using excision and incision wound model. Methods. Wistar albino rats were divided into five groups each consisting of six animals; group I (left untreated) considered as control, group II (ointment base treated) considered as negative control, group III treated with 5% (w/w) povidone iodine ointment (Intadine USP), which served as standard, group IV treated with EECN 2% (w/w) ointment, and group V treated with EECN 5% (w/w) ointment were considered as test groups. All the treatments were given once daily. The wound healing effect was assessed by percentage wound contraction, epithelialization period, and histoarchitecture studies in excision wound model while breaking strength and hydroxyproline content in the incision wound model. Result. Different concentration of EECN (2% and 5% w/w) ointment promoted the wound healing activity significantly in both the models studied. The high rate of wound contraction (P<0.001), decrease in the period for epithelialization (P<0.01), high skin breaking strength (P<0.001), and elevated hydroxyproline content were observed in animal treated with EECN ointments when compared to the control and negative control group of animals. Histopathological studies of the EECN ointments treated groups also revealed the effectiveness in improved wound healing. Conclusions. Ethanolic extract of Cestrum nocturnum (EECN) leaves possesses a concentration dependent wound healing effect.


2020 ◽  
Vol 71 (1) ◽  
pp. 1997
Author(s):  
M. DÜZ ◽  
A. F. FIDAN

The present study was carried out to determine the effects of sub-chronic thinner addiction on the oxidant-antioxidant balance and oxidative stress on certain tissues and the possible protective effect of safranal against thinner toxication in rats. Adult male Wistar albino rats were randomly divided into four groups of 10 animals each as follows: control (C), safranal (S), thinner (T) and thinner+safranal (T+S). The control group received 1cc saline by gastric gavage. Safranal was administered to S and T+S groups by using gastric gavage at a dose of 100 mg/kg/day and volume of 0.1 mL/kg/day. Thinner inhalation was applied to T and T+S groups in a container with NaOH tablets twice a day. Levels of malondialdehyde (MDA), reduced glutathione (GSH), nitric oxide (NOx) metabolites, total antioxidant capacity (TAS) and total oxidant capacity (TOS) were determined in liver, lung, brain, kidney and testis tissues of the rats. In the T+S group, it was observed that the MDA levels significantly decreased in all tissues, except the kidney, in comparison to the thinner inhalation group (p = 0.000). When the NOx levels of the T+S group were compared with the levels of the T group, it was concluded that there existed a statistically significant decrease in the NOx levels in alltissues (p = 0.000). In T+S group, it was observed that safranal either eliminated or mitigated oxidative stress that developed in tissues through decreasing MDA and TOS levels and increasing GSH and TAS levels and caused significant decreases in NOX levels in all tissues. As a result, it was determined that safranal, although not uniform for all tissue types, had a protective potential against the damaging effects of oxidative stress caused by sub-chronic thinner inhalation.


2014 ◽  
Vol 34 (5) ◽  
pp. 487-496 ◽  
Author(s):  
M Buyuklu ◽  
FM Kandemir ◽  
M Ozkaraca ◽  
T Set ◽  
EM Bakirci ◽  
...  

Currently, the number of imaging and interventional procedures that use contrast agents (CAs) is gradually increasing. Contrast-induced nephropathy (CIN) is the most important CA-related complication. Oxidative stress plays a significant role in its pathophysiology. Lycopene (LPN) is a natural substance with strong antioxidant capacity. The present study aimed to investigate the potential preventive effects of LPN against CIN. In total, 28 male Wistar albino rats were divided into 4 groups with 7 rats in each group; the groups include normal control group, LPN only group at a dose of 4 mg/kg/day for 10 days, CIN group by administering 10 mg/kg furosemide IM + 10 mg/kg indomethacin IP + 10 ml/kg iomeprol IV following 24-h dehydration, and CIN + LPN group. There were statistically significant increase in urea, creatinine, and malondialdehyde levels ( p < 0.001, for all) but a significant decrease in glutathione, superoxide dismutase, catalase, and glutathione peroxidase levels ( p < 0.001, for all) in the CIN group compared with the control group. On histological examination, a significant increase of infiltrated inflammatory cells and necrotic degenerative changes were observed in the CIN group and the immunohistochemical examination revealed a significant increase in inflammation (inducible nitric oxide synthase), autophagy (LC3/B), and apoptosis (cleaved caspase 3) in the CIN group compared with the control group ( p < 0.05, for all). Significant improvements in these unfavorable parameters were observed with CIN + LPN group compared with the CIN only group. In conclusion, the favorable effects of LPN as an anti-inflammatory, antiautophagic, and antiapoptotic agent in an experimental model of CIN have been demonstrated.


2021 ◽  
Vol 59 (1) ◽  
pp. 986-997
Author(s):  
Samah Ali El-Newary ◽  
Rasha Fouad Ismail ◽  
Nermeen Mohammed Shaffie ◽  
Saber Fayez Hendawy ◽  
Elsayed Omer ◽  
...  

2019 ◽  
Vol 13 (2) ◽  
pp. 31-35
Author(s):  
Israel Oghenevwodoko Okoro ◽  
◽  
Helen Ejiro Kadiri ◽  

Background: The present study was performed to explore whether the aqueous extract of Senecio biafrae (S. biafrae) roots provide any in vivo protective activity against carbon tetrachloride (CCl4)-induced hepatotoxicity in male albino rats. Methods: Rats (150-200 grams) were grouped into five groups (A-E) of six rats each and were treated orally for twelve days with 72 hourly administration of CCl4 (1 mL/kg) as follows: Group A received distilled water only (negative control), Group B was administered distilled water plus CCl4 (positive control), Group C was administered 400 mg/kg extract and CCl4, Group D received 200 mg/extract and CCl4, while Group E was administered standard drug (Silymarin 25mg/kg, PO). Results: Pre-treatment with the extract of S. biafrae (200 or 400mg/kg) or Silymarin (25mg/kg) caused significant restoration in the biomarkers as evaluated by reducing the levels of malondialdehyde, transaminases and elevating the levels of superoxide dismutase, catalase and glutathione peroxidase activities, which were altered by CCl4 toxicity. The extract at a dose of 400mg/kg demonstrated similar activities comparable to the standard drug (Silymarin). Conclusion: The results of this study indicate that the root extract of S. biafrae possesses hepatoprotective and anti-oxidant properties which may be due to the presence of phytochemicals in it.


Author(s):  
Olatunde A. Oseni ◽  
Ademola S. K. Idowu ◽  
Aminat Isah

Doxorubicin is an anthracycline drug which is believed to cause immediate damage to myocardial cells by free radical generation in the cause of treatment of cancer. This study was however aimed to investigate the effects of the aqueous extract of the seedlings of Vigna unguiculata on heart, kidney as well as lipid profile disorders caused by this drug on female Wistar albino rats. Fifteen female Wistar albino rats were divided into three groups. Group 1 animals served as normal positive control; Group 2 animals served as negative control which were treated with 0.5mL of (20mg/kg body weight doxorubicin) while Group 3 animals were treated with 0.5mL each of 20mg/kg body weight doxorubicin and 10% aqueous extract of seedlings of Vigna unguiculata. Some enzyme markers and lipid contents were determined. The results of the study showed an increase in the activities of plasma ALP and AST after treatment with the drug except in the heart for AST which showed a significant reduction, while treatment with the extract brought about a decrease in the plasma and the organs except for kidney AST. The ALT on the other hand showed slight increase in the plasma with a decrease in the kidney and heart after treatment with the drug as the treatment with the extract tend to restore it to the control in both cases, there was increased plasma and kidney but reduced heart HDL-C after treatment with the drug which was observed to be restored to control after treatment with extract in both situations. The triglyceride and total cholesterol did not show similar trend in the plasma and the studied organs. The LDL-C was also observed to be increased in both plasma and organs after the treatment with the drug which later reduced significantly towards the control after the administration of the sprout extract. The present study has shown that the doxorubicin has damaging effects on both kidney and heart tissues while the sprouts extract produce a restoration to the normal in both organs.


2014 ◽  
Vol 37 (2) ◽  
pp. 93 ◽  
Author(s):  
Velat Şen ◽  
Mehtap Bozkurt ◽  
Sevda Söker ◽  
Aydın Ece ◽  
Ali Güneş ◽  
...  

Purpose: The aim of this study was to evaluate the effects of pomegranate (PMG) extract and carvacrol (CARV) on methotrexate (MTX)-induced oxidative stress and bone marrow toxicity. Methods: Wistar albino rats (32 rats) were divided into four groups (n=8): Group 1 was control; Group 2 was given a single intraperitoneal injection of methotrexate (20 mg/kg); Group 3 was treated with carvacrol (73 mg/kg i.p.) one day before MTX (20 mg/kg i.p.) injection; and, Group 4 received a single dose of MTX (20 mg/kg i.p) while PMG was administered orally for seven days at 225 mg/kg. After animals were euthanized, blood samples were taken to evaluate hematological parameters and oxidative stress. In addition, the femur was cropped and bone marrow was extracted for examination. Results: White blood cell count, hemoglobin, hematocrit and platelet count were found to be decreased in the MTX group, but these changes were prevented in the groups that received CARV and PMG. Furthermore, decreased bone marrow cellularity was found in the groups treated with MTX, whereas the PMG and CARV groups had cellularity similar to controls. Strikingly, oxidative stress increased in the MTX group, but was ultimately decreased in the rats that received the antioxidants PMG and CARV. Conclusion: Carvacrol and PMG were found to be protective against methotrexate-induced oxidative bone marrow damage. Use of these antioxidants, in combination with chemotherapeutics, may help to reduce some adverse effects of methotrexate.


Sign in / Sign up

Export Citation Format

Share Document