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Effect of methanol/methylene chloride extract of Terminalia glaucescens

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par Guy Bertrand Sabas NYA NJOMEN
Université Yaoundé I - Travaux de recherches Thèse 2008
  

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References

1. Mazzucotelli A, Langin D. Fatty acid mobilization and their use in adipose tissue. J Soc Biol 2006; 200:83-91.

2. Arts IC, Hollman PC. Polyphenols and disease risk in epidemiologic studies. Am J Clin Nutr 2005; 81:317S-325S.

3. Ross JA, Kasum CM. Dietary flavonoids: bioavailability, metabolic effects, and safety. Annu Rev Nutr 2002; 22:19-34.

4. Choi EM, Hwang JK. Effect of some medicinal plants on plasma antioxidant system and lipid levels in rats. Phytother Res 2005; 19:382-386.

5. Ingabire G, Koumaglo HK, De Souza C, Dotse CK, Anani K, Kabera J, et al. Antimicrobial activity and preliminary phytochemical screening of Turraea heterophylla and Terminalia glaucescens used in Togo ethnomedecine to treat common infections. Planta Med 2007; 73(09). DOI: 10.1 055/s-2007-986996

6. Lee J-S. Effect of soy protein and genistein on blood glucose, antioxidant enzyme activities, and lipid profile in streptozotocin-induced diabetic rats. Life sciences 2006; 79:1578-1584.

7. Friedewald WT, Levy RI, Frederickson DS. Estimation of the concentration of low density lipoprotein cholesterol in plasma, without use of preparative ultracentrifuge, Clin Chem 1972; 18:499-502.

8. Argmann CA, Champy M-F, Auwerx J. Evaluation of energy homeostasis. Curr Protoc Mol Biol 2006; Chap 29: Unit29B.1 18265384 (P,S,E,B,D)

9. Naaz A, Yellayi S, Zakroczymski MA, Bunick D, Doerge DR, Lubahn DB, et al. The soy isoflavone genistein decreases adipose deposition in mice. Endocrinology 2003, 144:3315-20.

10. Szkudelska K, Nogowski L, Szkudelski T. Genistein affects lipogenesis and lipolysis in isolated rat adipocytes. J Steroid Biochem Mol Biol 2000; 75:265-7 1

11. Welborn TA, Dhaliwal SS and Bennett SA. Waist-hip ratio is the dominant risk factor predicting cardiovascular death in Australia. Med J Aust 2003; 179:580-583

12. He Y, Lam TH, Li LS, He SF and Liang BQ. Triglyceride and coronary hearth disease mortality in a 24-year follow-up study in Xi'an, China. Ann Epidemiol 2004; 14:1-7.

13. Boden G. Interaction between free fatty acids and glucose metabolism. Current opinion in clinical nutrition and metabolic care 2002; 5:545-549.

14. Katsanos CS. Lipid-induced insulin resistance in the liver: role of exercise. Sports Medecine 2004; 34:955-965.

15. Ferrannini E, Lanfranchi A, Rohner-Jeanreneaud F, Manfredini G, Van de Werve G. Influence of long term -term diabetes on liver glycogen metabolism in the rat. Metabolism 1990; 39:1082-1088.

16. Anubhuti, Sarika Arora. Leptin and its metabolic interactions - an update. (Rev Art) Diab Obes Metab 2008; doi:10.1 11 1/j.1463-1326.2008.00852.x

17. Cammisotto PG and Bukowiecki LJ. Mechanisms of leptin secretion from white adipocytes. Am J Physiol Cell Physiol 2002; 283:244-250

18. Friedman JM and Halaas JL. Leptin and the regulation of body weight in mammals. Nature 1998; 395:763-770.

19. Kameswara RB, Giri R, Kesavulu MM, Appa RC. Herbal medicine in the management of diabetes mellitus. Manphar Vaidhyac Patrika 1997; 4:33-35.

20. Manickam M, Ramanathan M, Farboodinay JMA, Chansouria JPN, Ray AB. Antihyperglycemic activity of phenolics from Pterocarpus marsupium. Journal of natural products 1997; 60:609-610.

Control E100

E200 E300

145

140

135

130

125

*

** **

**

120

**

115

*

**

** **

110

**

105

100

95

0 6 12 18 24 30

Days after extract administration

Figure 1: Body weight mass (expressed as % of initial values iV = 100 %) over 30 days of treatment (once a day) with methanol/methylene chloride leaves extract of T glaucescens 100 mg/kg (NE100), 200 mg/kg (NE200), 300 mg/kg (NE300) bw. Data are mean #177; SEM, (n=7 per group). Significant difference: *P< 0.05, **P< 0.01 compared with control values.

11

C

10

E1 00
E200
E300

**

9

8

7

6

**

**

0 153045 607590105120

Minutes after glucose administration

Figure 2: Plasma glucose levels during oral glucose tolerance test after 28 days of treatment (once a day) with methanol/methylene chloride leaves extract of T glaucescens 100 mg/kg (NE100), 200 mg/kg (NE200), 300 mg/kg (NE300) bw. Data are mean #177; SEM, (n=7 per group). Significant difference: *P< 0.05, **P< 0.01 compared with control values.

Table 1: Anthropometric parameters of mice after 30 days of treatment (once a day) with 100 mg/kg (NE 100), 200 mg/kg (NE200), 300 mg/kg (NE300) bw methanol/methylene

chloride extract of

T glaucescens leaves.

 
 

Control

NE 100

NE200

NE300

Inguinal WAT (mg)

16.14 #177; 1.35

13.64 #177; 1.49

12.43 #177; 0.86

8.23 #177; 0.60**

Retroperit WAT (mg)

16.57 #177; 1.51

14.71 #177; 0.65

13.29 #177; 0.60

11.14 #177; 0.56*

Parametrial WAT (mg)

38.00 #177; 2.79

36.71 #177; 1.68

21.00 #177; 0.28*

13.29 #177; 0.46**

Total fat (mg)

70.71 #177; 4.95

65.07 #177; 1.93

46.71 #177; 1.42*

32.66 #177; 0.75**

Liver (g)

2.20 #177; 0.05

2.17 #177; 0.03

2.18 #177; 0.03

2.19 #177; 0.03

Heart (mg)

124.71 #177; 2.58

121.57 #177; 2.52

120.33 #177; 2.18

118.67 #177; 3.35

Kidney (mg)

225.71 #177; 0.83

221.86 #177; 1.62

222.33 #177; 1.98

224.33 #177; 1.89

Carcass (g)

22.57 #177; 0.61

22.28 #177; 0.52

21.71 #177; 0.52

21.86 #177; 0.40

Length (cm)

9.64 #177; 0.10

9.57 #177; 0.09

9.56 #177; 0.09

9.54 #177; 0.08

Weight gain (g)

34.93 #177; 0.28

33.50 #177; 0.12

31.10 #177; 0.1 1**

28.55 #177; 0.16**

Lee index (x 1000)

340.00 #177; 8.13

338.00 #177; 8.67

332.29 #177; 8.01

322.43 #177; 5.65

Metabolic efficiency

0.074 #177; 0.007

0.061 #177; 0.010

0.042 #177; 0.01 5*

0.023 #177; 0.01 9*

Data are mean #177; SEM (n=7 per group).

Significant difference: *P< 0.05; **P< 0.01 compared with control values.

Table 2: Mice Openfield test after treatment (once a day during 27 days) with 100 mg/kg (NE100), 200 mg/kg (NE200), 300 mg/kg (NE300) bw methanol/methylene chloride extract of T glaucescens leaves.

 
 
 
 
 
 
 
 
 

Control

NE100

NE200

NE300

Locomotors activity (AU)

137.29 #177; 19.27

144.28 #177; 23.85

159.57 #177; 19.68

168.29 #177; 18.98

Rearing (Nb per 2 min)

0.43

#177; 0.20

0.43

#177;0 02

0.43

#177; 0.30

0.71

#177; 0.36

Grooming (Nb per 2 min)

32.86

#177; 6.31

30.86

#177; 8.53

22.14

#177; 4.09

31.29

#177; 7.52

Defecation (Nb per 2 min)

0.43

#177; 0.30

0.86

#177; 0.46

0.43

#177; 0.30

0.57

#177; 0.30

Data are mean #177; SEM (n=7 per group).

Table 3: Plasma parameters levels of mice after the treatment (once a day during 30 days) with methanol/methylene chloride leaves extract of T glaucescens 100 mg/kg (NE 100), 200

mg/kg (NE200), 300

mg/kg (NE300) bw.

 
 
 

Control

NE100

NE200

NE300

Leptin (mg/L)

5.86 #177; 0.50

5.37 #177; 0.36

4.94 #177; 0.26

4.23 #177; 0.46*

Glycaemia (mmol/L)

6.64 #177; 0.35

6.42 #177; 0.42

6.36 #177; 0.35

6.03 #177; 0.26

Triglycerides (mmol/L)

0.91 #177; 0.03

0.86 #177; 0.03

0.78 #177; 0.03*

0.79 #177; 0.02*

Cholesterol (mmol/L)

1.33 #177; 0.08

1.00 #177; 0.04*

1.00 #177; 0.10*

0.83 #177; 0.11*

NEFA (mmol/L)

0.38 #177; 0.03

0.34 #177; 0.02

0.28 #177; 0.01*

0.23 #177; 0.01*

HDL-c (mmol/L)

0.065 #177; 0.004

0.068 #177; 0.002

-

0.077 #177; 0.007

LDL-c (mmol/L)

0.860 #177; 0.109

0.714 #177; 0.197

-

0.682 #177; 0.092

NEFA: non esterified fatty acids; HDL-c: HDL-cholesterol; LDL-c: LDL-cholesterol.

Data are mean #177; SEM (n=7 per group). Significant difference: *P< 0.05 compared with control values.

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