scholarly journals The Antioxidant from Ethanolic Extract of Rosa cymosa Fruits Activates Phosphatase and Tensin Homolog In Vitro and In Vivo: A New Insight on Its Antileukemic Effect

2019 ◽  
Vol 20 (8) ◽  
pp. 1935 ◽  
Author(s):  
Kuan-Chih Wang ◽  
Yi-Chang Liu ◽  
Mohamed El-Shazly ◽  
Shou-Ping Shih ◽  
Ying-Chi Du ◽  
...  
Keyword(s):  
Calcium Release ◽  
Herbal Remedy ◽  
Lymphoblastic Leukemia ◽  
Ethanolic Extract ◽  
Control Group ◽  
Ros Generation ◽  
Phosphatase And Tensin Homolog ◽  
Tensin Homolog

Rosa cymosa Tratt is a Chinese herbal remedy that is used in the treatment of diarrhea, burns, rheumatoid arthritis, and hemorrhage. Despite its use in Asian folk medicine, there are limited reports on the biological activity of R. cymosa fruits. This study focused on the investigation of the antitumor effect of the antioxidative ethanolic extract of R. cymosa fruits (RCE) along with its underlying mechanism of action. RCE showed a potent cytotoxic effect against Sup-T1 and Molt-4 lymphoblastic leukemia cells. In the xenograft animal model, the tumor size was significantly reduced to about 59.42% in the RCE-treated group in comparison with the control group. The use of RCE (37.5, 75, or 150 μg/mL) triggered apoptosis by 26.52–83.49%, disrupted mitochondrial membrane potential (MMP) by 10.44–58.60%, and promoted calcium release by 1.29-, 1.44-, and 1.71-fold compared with the control group. The extract induced redox oxygen species (ROS) generation through the elimination of Nrf2/Keap1/P62-mediated oxidative stress response. The loss of phosphatase and tensin homolog (PTEN) activation by RCE impaired PI3K/Akt/Foxo and Jak/Stat activation pathways, which contributed to tumorigenesis. These multiple targets of R. cymosa against hematologic cancer cells suggested its potential application as an antileukemic dietary supplement.

HERBAL CREAMS OF REISHI EXTRACT AND TEA TREE OIL FOR HIRSUTISM–AN IN VIVO STUDY

2020 ◽  
pp. 106-110
Author(s):  
SANGEETA CHOUDHURY ◽  
BLR MADHAVI
Keyword(s):  
Topical Application ◽  
Hair Growth ◽  
Ethanolic Extract ◽  
Hair Follicles ◽  
In Vivo Studies ◽  
Control Group ◽  
Tea Tree Oil ◽  
Tea Tree

Objective: The aim of this work to formulate, evaluate and compare the effectiveness of herbal creams containing extract of reishi and tea tree oil for treating hirsutism. Methods: Herbal ingredients were authenticated. Cream base was initially formulated. Three formulations of herbal cream were prepared. Reishi ethanolic extract, tea tree oil, and combination of tea tree oil and reishi extract were added to the cream base and formulated cream were named as RHC, THC and RTC respectively. In vitro evaluations on herbal creams were done for the physicochemical characteristics. In vivo studies were carried out on female Swiss Albino mice for the activity against hair growth by topical application of cream to shaved skin. The histological and morphometric evaluation was carried out. Skin irritancy study was conducted. Results: The herbal creams showed desirable physicochemical properties like pH, viscosity and spreadability. Statistical analysis for the length of hair was performed by using one way ANOVA followed by DUNNET’S post hoc test where THC and RTC were found to be significant whereas RHC showed no significant reduction of hair growth compared to control. RTC showed a significant effect at p<0.05 and hair growth reduction was significant for THC at p<0.001 compared to the control group. RTC and THC showed mild to moderate reduction in the size of the hair follicles with a reduction of sebaceous gland size in the histological analysis. Conclusion: Topical application of herbal creams to mice showed that hair growth was fastest in group RHC and was slowest in group THC and intermediate with RTC. It can be concluded that these herbal actives can be used as an effective treatment against hirsutism. Within the study period, tea tree oil was found to be more effective than reishi extract and the combination product. Further formulation studies and in vivo studies need to be carried out on reishi to assess its effectiveness against hirsutism.

scholarly journals BMI1 promotes cardiac fibrosis in ischemia-induced heart failure via the PTEN-PI3K/Akt-mTOR signaling pathway

2019 ◽  
Vol 316 (1) ◽  
pp. H61-H69 ◽  
Author(s):  
Wenbo Yang ◽  
Zhijun Wu ◽  
Ke Yang ◽  
Yanxin Han ◽  
Yanjia Chen ◽  
...  
Keyword(s):  
Cardiac Fibrosis ◽  
Mammalian Target Of Rapamycin ◽  
Phosphatidylinositol 3 Kinase ◽  
Phosphatase And Tensin Homolog ◽  
B Lymphoma ◽  
Tensin Homolog ◽  
And Migration ◽  
Proliferation And Migration

Cardiac fibrosis has been known to play an important role in the etiology of heart failure after myocardial infarction (MI). B lymphoma Mo-MLV insertion region 1 homolog (BMI1), a transcriptional repressor, is important for fibrogenesis in the kidneys. However, the effect of BMI1 on ischemia-induced cardiac fibrosis remains unclear. BMI1 was strongly expressed in the infarct region 1 wk post-MI in mice and was detected by Western blot and histological analyses. Lentivirus-mediated overexpression of BMI1 significantly promoted cardiac fibrosis, worsened cardiac function 4 wk after the intervention in vivo, and enhanced the proliferation and migration capabilities of fibroblasts in vitro , whereas downregulation of BMI1 decreased cardiac fibrosis and prevented cardiac dysfunction in mice 4 wk post-MI in vivo. Furthermore, upregulated BMI1 inhibited phosphatase and tensin homolog (PTEN) expression, enhanced phosphatidylinositol 3-kinase (PI3K) expression, and increased the phosphorylation level of Akt and mammalian target of rapamycin (mTOR) in mice 4 wk after lentiviral infection, which was in accordance with the changes seen in their infarcted myocardial tissues. At the same time, the effects of BMI1 on cardiac fibroblasts were reversed in vitro when these cells were exposed to NVP-BEZ235, a dual-kinase (PI3K/mTOR) inhibitor. In conclusion, BMI1 is associated with cardiac fibrosis and dysfunction after MI by regulating cardiac fibroblast proliferation and migration, and these effects could be partially explained by the regulation of the PTEN-PI3K/Akt-mTOR pathway. NEW & NOTEWORTHY Ischemia-induced B lymphoma Mo-MLV insertion region 1 homolog (BMI1) significantly promoted cardiac fibrosis and worsened cardiac function in vivo, whereas downregulation of BMI1 decreased cardiac fibrosis and prevented cardiac dysfunction in myocardial infarcted mice. BMI1 also enhanced proliferation and migration capabilities of fibroblasts in vitro; these effects were reversed by NVP-BEZ235. Effects of BMI1 on cardiac fibrosis could be partially explained by regulation of the phosphatase and tensin homolog-phosphatidylinositol 3-kinase/Akt-mammalian target of rapamycin pathway.

scholarly journals Podocyte-specific knockin of PTEN protects kidney from hyperglycemia

2018 ◽  
Vol 314 (6) ◽  
pp. F1096-F1107 ◽  
Author(s):  
Huizhen Wang ◽  
Ziwei Feng ◽  
Jianteng Xie ◽  
Feng Wen ◽  
Menglei Jv ◽  
...  
Keyword(s):  
Diabetic Kidney Disease ◽  
Therapeutic Strategy ◽  
Renal Protection ◽  
Phosphatase And Tensin Homolog ◽  
Tensin Homolog ◽  
Matrix Expansion ◽  
Interfering Rna

Phosphatase and tensin homolog deleted on chromosome 10 (PTEN) has proven to be downregulated in podocytes challenged with high glucose (HG), and knockout of PTEN in podocytes aggravated the progression of diabetic kidney disease (DKD). However, whether podocyte-specific knockin of PTEN protects the kidney against hyperglycemia in vivo remains unknown. The inducible podocyte-specific PTEN knockin (PPKI) mice were generated by crossing newly created transgenic loxP-stop- loxP-PTEN mice with podocin-iCreERT2 mice. Diabetes mellitus was induced in mice by intraperitoneal injection of streptozotocin at a dose of 150 mg/kg. In vitro, small interfering RNA and adenovirus interference were used to observe the role of PTEN in HG-treated podocytes. Our data demonstrated that PTEN was markedly reduced in the podocytes of patients with DKD and focal segmental glomerulosclerosis, as well as in those of db/db mice. Interestingly, podocyte-specific knockin of PTEN significantly alleviated albuminuria, mesangial matrix expansion, effacement of podocyte foot processes, and incrassation of glomerular basement membrane in diabetic PPKI mice compared with wild-type diabetic mice, whereas no alteration was observed in the level of blood glucose. The potential renal protection of overexpressed PTEN in podocytes was partly attributed with an improvement in autophagy and motility and the inhibition of apoptosis. Our results showed that podocyte-specific knockin of PTEN protected the kidney against hyperglycemia in vivo , suggesting that targeting PTEN might be a novel and promising therapeutic strategy against DKD.

scholarly journals Loss of phosphatase and tensin homolog (PTEN) in myeloid cells controls inflammatory bone destruction by regulating the osteoclastogenic potential of myeloid cells

2013 ◽  
Vol 74 (1) ◽  
pp. 227-233 ◽  
Author(s):  
Stephan Blüml ◽  
Martin Friedrich ◽  
Tobias Lohmeyer ◽  
Emine Sahin ◽  
Victoria Saferding ◽  
...  
Keyword(s):  
Myeloid Cells ◽  
Bone Destruction ◽  
Precursor Cells ◽  
Nuclear Factor ◽  
Phosphatase And Tensin Homolog ◽  
Tensin Homolog ◽  
Inflammatory Conditions ◽  
Local Bone

ObjectiveLocal bone destruction in rheumatic diseases, which often leads to disability and severely reduced quality of life, is almost exclusively mediated by osteoclasts. Therefore, it is important to understand pathways regulating the generation of osteoclasts. Here, we analysed the impact of the Phosphoinositide-3-Kinase (PI3K)/Phosphatase and tensin homolog (PTEN) axis on osteoclast generation and bone biology under basal and inflammatory conditions.MethodsWe analysed osteoclastogenesis of wildtype (wt) and PTEN−/− cells in vitro and in vivo, pit resorption and qPCR of osteoclasts in vitro. Mice with a myeloid cell-specific deletion of PTEN and wt littermate mice were investigated by bone histomorphometry and clinical and histological assessment in the human tumour necrosis factor (TNF)-transgenic (hTNFtg) arthritis model.ResultsWe show that myeloid-specific PTEN−/− mice display increased osteoclastogenesis in vitro and in vivo compared to wt mice. Loss of PTEN did not affect the generation or survival of osteoclast precursor cells. However, PTEN deficiency greatly enhanced receptor activator of nuclear factor κ-B ligand (RANKL)-induced expression of the master transcription factor of osteoclastogenesis, nuclear factor of activated T-cells, cytoplasmic 1 (NFATc1), resulting in markedly increased terminal differentiation of osteoclasts in vitro. We also observed increased osteoclastogenesis under inflammatory conditions in the hTNFtg mouse model of arthritis, where hTNFtg/myeloid-specific PTEN−/− mice displayed enhanced local bone destruction as well as osteoclast formation in the inflamed joints. The extent of synovial inflammation, however, as well as recruitment of osteoclast precursor cells was not different between wt and myeloid-specific PTEN−/− mice.ConclusionsThese data demonstrate that loss of PTEN and, therefore, sustained PI3-Kinase signalling in myeloid cells especially, elevates the osteoclastogenic potential of myeloid cells, leading to enhanced inflammatory local bone destruction. Therefore, although our study allows no direct translational conclusion since we used a conditional knockout approach, the therapeutic targeting of the PI3-Kinase pathway may be of benefit in preventing structural joint damage.

scholarly journals Dexrazoxane Protects Cardiomyocyte from Doxorubicin-Induced Apoptosis by Modulating miR-17-5p

2020 ◽  
Vol 2020 ◽  
pp. 1-11 ◽  
Author(s):  
Xiaoxue Yu ◽  
Yang Ruan ◽  
Tao Shen ◽  
Quan Qiu ◽  
Mingjing Yan ◽  
...  
Keyword(s):  
Treatment Group ◽  
Heart Function ◽  
Cardiac Injury ◽  
Cardiomyocyte Apoptosis ◽  
Control Group ◽  
Potent Effect ◽  
Downstream Target ◽  
Tensin Homolog

The usage of doxorubicin is hampered by its life-threatening cardiotoxicity in clinical practice. Dexrazoxane is the only cardioprotective medicine approved by the FDA for preventing doxorubicin-induced cardiac toxicity. Nevertheless, the mechanism of dexrazoxane is incompletely understood. The aim of our study is to investigate the possible molecular mechanism of dexrazoxane against doxorubicin-induced cardiotoxicity. We established a doxorubicin-induced mouse and cardiomyocyte injury model. Male C57BL/6J mice were randomly distributed into a control group (Con), a doxorubicin treatment group (DOX), a doxorubicin plus dexrazoxane treatment group (DOX+DEX), and a dexrazoxane treatment group (DEX). Echocardiography and histology analyses were performed to evaluate heart function and structure. DNA laddering, qRT-PCR, and Western blot were performed on DOX-treated cardiomyocytes with/without DEX treatment in vitro. Cardiomyocytes were then transfected with miR-17-5p mimics or inhibitors in order to analyze its downstream target. Our results demonstrated that dexrazoxane has a potent effect on preventing cardiac injury induced by doxorubicin in vivo and in vitro by reducing cardiomyocyte apoptosis. MicroRNA plays an important role in cardiovascular diseases. Our data revealed that dexrazoxane could upregulate the expression of miR-17-5p, which plays a cytoprotective role in response to hypoxia by regulating cell apoptosis. Furthermore, the miRNA and protein analysis revealed that miR-17-5p significantly attenuated phosphatase and tensin homolog (PTEN) expression in cardiomyocytes exposed to doxorubicin. Taken together, dexrazoxane might exert a cardioprotective effect against doxorubicin-induced cardiomyocyte apoptosis by regulating the expression of miR-17-5p/PTEN cascade.

scholarly journals Fluorochloridone Induces Autophagy in TM4 Sertoli Cells:Involvement of ROS-mediated AKT-mTOR Signaling Pathway

2021 ◽  
Author(s):  
Zhijing Ni ◽  
Weiqi Sun ◽  
Rui Li ◽  
Mingjun Yang ◽  
Fen Zhang ◽  
...  
Keyword(s):  
Signaling Pathways ◽  
Sertoli Cells ◽  
Reproductive Toxicity ◽  
Cell Activity ◽  
Mtor Signaling ◽  
Beclin 1 ◽  
Control Group ◽  
Ros Generation

Abstract BackgroundFluorochloridone (FLC), a selective pyrrolidone herbicide, had medium persistence in soil and groundwater, indicating that its environmental fate was highly correlated with mammals and human health. FLC has been recognized as a potential endocrine disruptor and reported to induce male reproductive toxicity, but the underlying mechanism is largely unclear. MethodsAdult C57BL/6 mice were raised to divided into one control group (0.5% sodium carboxymethyl cellulose), and four FLC-treated groups (3,15,75,375 mg/kg). The animals (ten mice per group) received gavage for a period of 28 days. After treatment, histological analysis, sperm parameters, the microstructure of autophagy and the expression of autophagy-associated proteins in testis were evaluated. Furthermore, to explore the autophagy mechanism, TM4 Sertoli cells were treated with FLC (0,40,80,160μM) in vitro for 24 h. Cell activity and cytoskeletal changes were measured by MTT assay and F-actin immunofluorescence staining. The formation of autophagosome, accumulation of reactive oxygen species and expression of AKT, mTOR were detected.ResultsIn vivo, it showed that FLC exposure caused testicular injuries, abnormality in epididymal sperm. Moreover, FLC increased the formation of autophagosomes, the accumulation of LC3, Beclin-1 and the expression of P62 protein, which is related to the degradation of autophagy. In vitro, the upregulation of TM4 cells autophagy was confirmed by FLC increased the formation of autophagosomes and upregulation of autophagy marker proteins (LC3, Beclin-1 and P62) levels. In addition, FLC induced ROS production and inhibited the activities of AKT and mTOR kinases. The Inhibition of AKT/mTOR signaling pathways and the activation of autophagy induced by FLC could be efficiently reversed by pretreatment of ROS generation by N-acetylcysteine. SC79, AKT agonist, could restore the autophagy induced by FLC in TM4 cells. Intriguingly, FLC-induced autophagy could be inhibited through AKT agonists, which indicated that FLC-induced autophagy may be pro-death. ConclusionTaken together, our study provided the evidence that FLC promoted autophagy in TM4 Sertoli cells and that this process may involve ROS-mediated AKT/mTOR signaling pathways.

Overcoming Drug Resistance In Acute Lymphoblastic Leukemia by Inhibition of CBP/γ-Catenin

Blood ◽  
2010 ◽  
Vol 116 (21) ◽  
pp. 3264-3264
Author(s):  
Enzi Jiang ◽  
Eugene Park ◽  
Cu Nguyen ◽  
James Yoon ◽  
Yao-Te Hsieh ◽  
...  
Keyword(s):  
Colon Cancer ◽  
Western Blot ◽  
Conflicts Of Interest ◽  
Lymphoblastic Leukemia ◽  
Philadelphia Chromosome ◽  
Saline Control ◽  
Control Group ◽  
Apoptosis Protein

Abstract Abstract 3264 Survivin, an inhibitor of apoptosis protein (IAP) family, has been associated with poor prognosis in cancer including leukemia. Survivin can be downregulated in colon cancer cells by inhibition of the β-catenin/Creb-binding protein (CBP) interaction using ICG-001, a small molecule specific inhibitor of the β-catenin/CBP interaction. We have shown previously that combined ICG-001 and chemotherapy can downregulate Survivin and sensitize ALL cells to chemotherapy in vitro and in a pilot study in vivo. In this study, we determine the CBP interaction with ICG-001 in primary ALL cells and preclinically evaluate ICG-001 in vitro and in vivo as an adjuvant against primary ALL and. For this purpose, primary ALL cells were co-cultured with OP9 cells and treated for 4 days with ICG-001 (10mM, 20mM) or DMSO as vehicle control. Mean viability (trypan blue exclusion) of cells treated with ICG-001 was significantly lower (ICG-001 10mM: 75.12% ± 3.15%; 20mM: 41.18%± 7.88%) compared to cells treated with DMSO (84.99% ± 0.42%) (% cell viability relative to initial control) (p=0.03). Real time RT-PCR showed ICG-001 dose-dependent downregulation of Survivin in ALL compared to control (ICG10mM vs. control: p=0.0037 and 20mM vs. control: p=0.0031). Immunoblotting demonstrated reduction of Survivin after ICG-001 treatment. Primary ALL cells incubated with a combination of VDL (Vincristine, Dexamethasone and L-Asparaginase) and ICG-001 showed decreased viability (28.7%± 4.9%) versus VDL only (79.3%± 13.6%) (p=0.014) determined by MTT assay. To elucidate if ICG-001 interacts with β-catenin/CBP as shown previously in colon cancer, we analyzed ten primary pre-B ALL cells and found significantly greater γ-catenin and Survivin expression versus normal pre-B-Cells. β-catenin was absent or in some cases expressed only weakly. Expression of v-catenin and b-catenin in ALL xenograft cells were detected by Western blot. One primary ALL was selected and incubated with γ-catenin and β-catenin siRNA for 48hrs, followed by 6hrs incubation with Wnt3a. Wnt3a induced both of γ-catenin and β-catenin expression. Survivin was reduced by γ-catenin siRNA but not β-catenin siRNA treatment. Addition of Wnt3a partially recovered the decrease of Survivin. In addition, Survivin was knocked down in primary ALL using shRNA and non-silencing shRNA control or ICG-001 (2uM) and DMSO control. Western blot analysis showed that survivin shRNA or ICG-001 treatment lead to downregulation of Survivin and γ-catenin. Using a ChIP assay we could demonstrate occupancy of TCF4 and CBP association at the Survivin promoter, which was not altered by ICG-001 in primary ALL. Moreover, ICG-001 treatment of primary ALL cells prevents CBP but not p300 occupancy. For further preclinical in vivo evaluation of ICG-001, one Philadelphia chromosome positive ALLs (Ph+) and two Ph− primary ALL were injected into sublethally irradiated NOD/SCID IL2Rγ−/-mice and treated with ICG-001 (50mg or 100mg/kg/day per subcutaneous miniosmotic pump) with or without chemotherapy including VDL for Ph− ALL (per intraperitoneal injections) or Nilotinib for Ph+ ALL (per os). For analysis we pooled the survival of all three primary leukemias. The saline control group (n=10) (MST= 55.5.days) and the ICG-001 only groups (n=3) (MST=61 days) died rapidly. The group treated with chemotherapy (n=13) had a median survival time (MST) of 85 days. In marked contrast, the group treated with the combined chemotherapy+ICG-001 (n=15) lived significantly longer (MST=100) (p<0.05). Taken together, our data shows that Survivin transcription can be mediated by γ-catenin in primary ALL and that targeting CBP/γ-catenin by using ICG-001 ALL can sensitize ALL cells to chemotherapy in vitro and in vivo. Disclosures: No relevant conflicts of interest to declare.

scholarly journals Levosimendan Protects against Doxorubicin-Induced Cardiotoxicity by Regulating the PTEN/Akt Pathway

2020 ◽  
Vol 2020 ◽  
pp. 1-11
Author(s):  
Ling-Li Li ◽  
Li Wei ◽  
Ning Zhang ◽  
Wen-Ying Wei ◽  
Can Hu ◽  
...  
Keyword(s):  
Critical Role ◽  
Cardiac Injury ◽  
Protective Role ◽  
Akt Inhibitor ◽  
Morphological Examination ◽  
Phosphatase And Tensin Homolog ◽  
Tensin Homolog ◽  
Myocardial Apoptosis

Background and Aims. Myocyte apoptosis plays a critical role in the development of doxorubicin- (DOX-) induced cardiotoxicity. In addition to its cardiotonic effect, laboratory evidence indicates that levosimendan can inhibit apoptosis, but its role in DOX-induced cardiac injury remains unclear. Therefore, the present study is aimed at exploring whether levosimendan could attenuate DOX-induced cardiotoxicity. Methods. Levosimendan (1 mg/kg) was administered to mice through oral gavage once daily for 4 weeks, and the mice were also subjected to an intraperitoneal injection of DOX (5 mg/kg) or saline, once a week for 4 weeks, to create a chronic model of DOX-induced cardiotoxicity. A morphological examination and biochemical analysis were used to evaluate the effects of levosimendan. H9C2 cells were used to verify the protective role of levosimendan in vitro. And an Akt inhibitor was utilized to verify the cardioprotection of levosimendan. Results. Levosimendan reduced the cardiac dysfunction and attenuated the myocardial apoptosis induced by DOX in vivo and in vitro. Levosimendan also inhibited the activation of phosphatase and tensin homolog (PTEN) and upregulated P-Akt expression both in vivo and in vitro. And inhibition of Akt abolished the cardioprotection of levosimendan in vitro. Conclusion. Levosimendan may protect against DOX-induced cardiotoxicity via modulation of the PTEN/Akt signaling pathway.

scholarly journals Antioxidant Activity of the Ethanol Extract of Manilkara zapota Leaf

2011 ◽  
Vol 4 (1) ◽  
pp. 193 ◽  
Author(s):  
M. E. Islam ◽  
M. S. Parvin ◽  
M. R. Islam ◽  
M. S. Islam ◽  
S. M. R. Hasan
Keyword(s):  
Antioxidant Activity ◽  
Radical Scavenging ◽  
Reducing Power ◽  
Ethanolic Extract ◽  
Serum Marker ◽  
Control Group ◽  
Marker Enzymes ◽  
Manilkara Zapota

The present study evaluated the antioxidant activity of cold ethanolic extract of Manilkara zapota (Sapotaceae) leaves. In vitro antioxidant activity was determined using 1, 1-diphenyl-2-picrylhydrazyl radical, reducing power capacity, total phenol and flavonoid content. The extract demonstrated significant dose dependent antioxidant activity in vitro methods. In DPPH radical scavenging assay IC50 values of Manilkara zapota leaves (MZL) and ascorbic acid (standard) were found to be 68.27 and 16.17 μg/ml, respectively. In vivo, the extract was evaluated by carbon tetrachloride (CCl4) induced liver damage rats in hepatoprotective model. CCl4 produced significant alteration of serum marker enzymes, total bilirubin, total protein and liver weight. Restoration of these values towards normal, which is comparable to control group, indicated hepatoprotective activity, which reflects the antioxidant potential of the extract. Results presented here indicate that MZL possess strong antioxidant activity and they can therefore be used as a good natural source of antioxidant.Keywords: MZL; DPPH; Scavenging activity; Serum marker enzymes.© 2012 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved.doi: http://dx.doi.org/10.3329/jsr.v4i1.7148J. Sci. Res. 4 (1), 193-202 (2012)

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