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Hassan et al.                                                                                                                                Potential antioxidant activity of cape gooseberry against HCC

           Table 1: Effect of CGJ administration on the tumor marker AFP and liver function enzymes activity in control and
           different treated rat groups (means ± SE)
                                                Serum                                     Liver
           Parameters groups
                            AFP (ng/mL) ALT (U/mL)  AST (U/mL)  ALP (IU/L)  ALT (U/g )  AST (U/g)   ALP (U/g)
           Control           0.99 ± 0.10  34.66 ± 1.02  40.16 ± 0.62  93.63 ± 0.38  60.77 ± 0.67  18.77 ± 0.34  33.03 ± 0.67
           CGJ               1.00 ± 0.94  33.16 ± 1.06  41.00 ± 0.60  91.56 ± 0.50  59.99 ± 2.49  18.90 ± 0.33  32.14 ± 1.12
           HCC              2.57 ± 0.28 a,b  50.50 ± 1.76 a,b  60.50 ± 0.99 a,b  153.11 ± 1.68 a,b  42.41 ± 0.51 a,b  15.16 ± 0.26 a,b  54.99 ± 1.12 a,b
           HCC + CGJ        1.25 ± 0.66 a,b,c  37.33 ± 1.05 c  45.63 ± 0.63 a,b,c  105.65 ± 0.38 a,b,c  52.16 ± 0.61 a,b,c  16.98 ± 0.31 a,b,c  43.50 ± 1.10 a,b,c
                           b
                                          c
           a P ≤ 0.05 vs. control,  P ≤ 0.05 vs. CGJ,  P ≤ 0.05 vs. HCC. HCC: hepatocellular carcinoma; CGJ: cape gooseberry juice; AFP: alpha-
           fetoprotein; ALT: alanine transaminase; AST: aspartate transaminase; ALP: alkaline phosphatase
           promote the carcinogenic effect of DENA. [23]      to Acosta. [24]  Aspartate transaminase (AST) activity,
                                                              alanine transaminase (ALT) activity and alkaline
           Preparation of cape gooseberry juice               phosphatase (ALP) were measured using colorimetric
           Cape gooseberry (Physalis peruviana) was purchased   kits purchased by ABC Diagnostic Kit, Cairo, Egypt. [25,26]
           from local markets at Mansoura, Egypt. Fruits were   Malondialdehyde (MDA) content was determined by
           washed, cut into small pieces and freshly prepared juice   the methods of Ohkawa et al. [27]  Reduced glutathione
           [500 g cape gooseberry juice (CGJ) up to 500 mL distilled   (GSH) was analyzed based on the method of Prins
           water, where each 1 mL juice contains 1 g cape     and Losse. [28]  Superoxide dismutase (SOD) and
           gooseberry]. The cape gooseberry juice (1 mL/kg b.w.)   catalase (CAT) activities were assayed as described
                                                                              [29]
                                                                                                [30]
           was shaken well just before oral administration by   by Niskikimi et al.   and Bock et al.   respectively.
           gavage. [17]                                       Total antioxidant capacity (TAC) was determined using
                                                              commercial Biodiagnostic kits (Dokki, Giza, Egypt)
           Experimental design                                according to the methods of Koracevic et al. [31]
           After 2 weeks of acclimatization, the rats were
           classified into 4 groups (6 rats/group) and treated for   Statistical analysis
           12 weeks as follows: group 1 (control) rats did not   Data were subjected to statistical significance tests
           receive any treatments; group 2 (CGJ): rats were   using one-way analysis of variance (ANOVA), followed
                                                                                             [32]
           orally administered with cape gooseberry juice     by Duncan’s multiple range test.   The statistical
           (1 mL/kg b.w.); group 3 (HCC) rats were treated with   analysis was carried out using SPSS 12.00 software.
           a single intraperitoneal injection with DENA freshly   The results were expressed as mean ± SE and the
           dissolved in sterile 0.9% saline (200 mg/kg b.w.) and   differences were considered significant at P ≤ 0.05.
           2 weeks later given a subcutaneous injection of CCl 4
           (3 mL/kg b.w. per week) for 10 weeks to promote the   RESULTS
           carcinogenic effect of DENA; group 4 (HCC + CGJ)   The results of the present study [Table 1] recorded that
           rats were treated with DENA (200 mg/kg b.w.) and
           CCl 4  (3 mL/kg b.w. per week) plus CGJ (1 mL/kg b.w.).  the HCC rats treated with DENA and CCl 4  resulted in
                                                              a significant increase in serum AFP level compared
           Blood collection and tissue preparation            to the control level, indicating the development of
                                                              HCC in rats. This elevation in AFP was accompanied
           At the end of the experimental period (12 weeks),   by the elevation of serum and liver ALT, AST and
           blood samples were collected from overnight rats,   ALP activity. The results in rats treated with CGJ
           centrifuged at 860 g for 20 min at 4 °C and the    alone were comparable to results in the control rats
           separated sera were frozen at -20 °C for future    group in most of the estimated parameters. However,
           biochemical analysis. Then the rats were sacrificed by   the administration of CGJ to the HCC rats was
           cervical dislocation and the tissues (liver, kidney, brain   associated with a significant improvement in all the
           and testes) removed and decapsulated. These tissues   tested parameters where the treatment succeeded in
           were weighed and homogenized in saline solution. The   reducing the elevation level of AFP, ALT, AST and ALP
           homogenates were centrifuged at 860 g for 20 min at   in both serum and liver [Table 1].
           4 °C and the supernatants were frozen at -20 °C for
           further analysis.                                  Moreover, the administration of CGJ to HCC rats
                                                              succeeded in restoring oxidative stress through
           Biochemical analysis                               decreases in MDA level and induced a significant
           Alpha-fetoprotein  (AFP)  level  was  estimated  by   improvement in the antioxidant biomarkers by the
           immunoenzymatic colorimetric method according      observed increase in GSH, TAC, SOD and CAT in all

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