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Heavy metal intoxication compromises the host cytokine response in Ascaris Suum model infection


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Fig. 1.

Cytokine production (a) IL-5, (b) IL-10, (c) TNF-α, (d) IFN-γ by mouse splenocytes intoxicated with lead (Pb) and infected with A. suum. #(P<0.05); ##(P<0.01); ###(P<0.001); ####(P<0.0001) statistically significant differences between control and heavy metal’s intoxication without parasitic infection; *(P<0.05); **(P<0.01); ***(P<0.001) statistically significant differences between A. suum infection and heavy metal’s intoxication in combination with A. suum infection.
Cytokine production (a) IL-5, (b) IL-10, (c) TNF-α, (d) IFN-γ by mouse splenocytes intoxicated with lead (Pb) and infected with A. suum. #(P<0.05); ##(P<0.01); ###(P<0.001); ####(P<0.0001) statistically significant differences between control and heavy metal’s intoxication without parasitic infection; *(P<0.05); **(P<0.01); ***(P<0.001) statistically significant differences between A. suum infection and heavy metal’s intoxication in combination with A. suum infection.

Fig. 2.

Cytokine production (a) IL-5, (b) IL-10, (c) TNF-α, (d) IFN-γ by mouse splenocytes intoxicated with cadmium (Cd) and infected with A. suum. #(P<0.05); ##(P<0.01); ###(P<0.001); ####(P<0.0001) statistically significant differences between control and heavy metal’s intoxication without parasitic infection; **(P<0.01) statistically significant differences between A. suum infection and heavy metal’s intoxication in combination with A. suum infection.
Cytokine production (a) IL-5, (b) IL-10, (c) TNF-α, (d) IFN-γ by mouse splenocytes intoxicated with cadmium (Cd) and infected with A. suum. #(P<0.05); ##(P<0.01); ###(P<0.001); ####(P<0.0001) statistically significant differences between control and heavy metal’s intoxication without parasitic infection; **(P<0.01) statistically significant differences between A. suum infection and heavy metal’s intoxication in combination with A. suum infection.

Fig. 3.

Cytokine production (a) IL-5, (b) IL-10, (c) TNF-α, (d) IFN-γ by moue splenocytes intoxicated with mercury (Hg) and infected with A. suum. #(P<0.05); ###(P<0.001); ####(P<0.0001) statistically significant differences between control and heavy metal’s intoxication without parasitic infection; *(P<0.05); **(P<0.01); ***(P<0.001) statistically significant differences between A. suum infection and heavy metal’s intoxication in combination with A. suum infection.
Cytokine production (a) IL-5, (b) IL-10, (c) TNF-α, (d) IFN-γ by moue splenocytes intoxicated with mercury (Hg) and infected with A. suum. #(P<0.05); ###(P<0.001); ####(P<0.0001) statistically significant differences between control and heavy metal’s intoxication without parasitic infection; *(P<0.05); **(P<0.01); ***(P<0.001) statistically significant differences between A. suum infection and heavy metal’s intoxication in combination with A. suum infection.

Parasite larval burden in mice intoxicated with heavy metals (lead Pb, cadmium Cd, mercury Hg) and infected with A. suum

Heavy Metal IntoxicationDays of experiment (Days post infection)A.suumintoxication + A.suum
Liver (mean±S.D.)lungs (mean±S.D.)lungs (mean±S.D.)lungs (mean±S.D.)
Pb25. (4. p.i.)195.0 ± 43.0250.6 ± 28.7
28. (7. p.i.)3.3 ± 1.566.7 ± 15.92.6 ± 3.886.3 ± 17.5
Cd25. (4. p.i.)225.5 ± 57.3

P<0.05) statistically significant differences between A. suum infection and heavy metal’s intoxication in combination with A. suum infection

87.3 ± 42.2
28. (7. p.i.)7.3 ± 3.531.7 ± 23.62.3 ± 4.033.3 ± 2.1
Hg25. (4. p.i.)179.3 ± 40.5

P<0.05) statistically significant differences between A. suum infection and heavy metal’s intoxication in combination with A. suum infection

70.0 ± 24.0
28. (7. p.i.)4.3 ± 3.225.7 ± 6.14.3 ± 4.2

P<0.05) statistically significant differences between A. suum infection and heavy metal’s intoxication in combination with A. suum infection

7.3 ± 3.2

Heavy metal concentrations in tissues of mice intoxicated with heavy metals (lead Pb, cadmium Cd, mercury Hg) and infected with A. suum

Heavy metalExperimental groupsDays of experiment (Days post infection)liver (mg/kg) (mean±S.D.)kidneys (mg/kg) (mean±S.D.)Muscles (mg/kg) (mean±S.D.)
Pbcontrol00.12 ± 0.060.22 ± 0.080.16 ± 0.09
intoxication (before infection)210.51 ± 0.18

(P<0.05;

0.71 ± 0.05
0.71 ± 0.18
intoxicated350.27 ± 0.030.34 ± 0.040.48 ± 0.04
intoxicated+infected35 (14 p.i.)0.36 ± 0.140.44 ± 0.020.59 ± 0.14
Cdcontrol00.02 ± 0.010.05 ± 0.010.03 ± 0.01
intoxication (before infection)21

(P<0.01);

0.61 ± 0.09

(P<0.01);

0.75 ± 0.05
0.04 ± 0.01
intoxicated35

(P<0.05;

0.87 ± 0.57

(P<0.0001) statistically significant differences between control and heavy metal’s intoxication;

2.06 ± 0.32
0.03 ± 0.01
intoxicated+infected35 (14 p.i.)0.35 ± 0.30

(P<0.05) statistically significant differences between heavy metal’s intoxication and heavy metal’s intoxication in combination with A. suum infection.

1.17 ± 0.29
0.05 ± 0.01
Hgcontrol01.03 ± 0.350.98 ± 0.390.03 ± 0.01
intoxication (before infection)21

(P<0.0001) statistically significant differences between control and heavy metal’s intoxication;

10.44 ± 0.29

(P<0.0001) statistically significant differences between control and heavy metal’s intoxication;

160.56 ±1 2.78

(P<0.01);

0.67 ± 0.23
intoxicated35

(P<0.0001) statistically significant differences between control and heavy metal’s intoxication;

11.48 ± 2.89

(P<0.0001) statistically significant differences between control and heavy metal’s intoxication;

75.48 ± 15.25

(P<0.01);

0.46 ± 0.28
intoxicated+infected35 (14 p.i.)9.57 ± 4.1290.68±1.570.52±0.18
eISSN:
1336-9083
ISSN:
0440-6605
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Life Sciences, Zoology, Ecology, other, Medicine, Clinical Medicine, Microbiology, Virology and Infection Epidemiology