Evaluation of freshwater heavy metals accumulation effect on oxidative stress, Metallothionein biosynthesis and histopathology of Procambarus clarkii (Girard,1985) collected from three locations in the Delta region, Egypt

Table 2 Superoxide dismutase (SOD), Catalase (CAT), and Glutathione S-transferase (GST) for collected Freshwater crayfish P. clarkii Muscle, hepatopancreas, and Gills from El-Gharbiya, Kafr El-Shaikh and El-Menofya locations

Enzyme	Organ Location	Muscle	Hepato	Gills
SOD	Control	65.3 ± 0.208	71.233 ± 0.677	75.3 ± 0.115
	Gharbiya	77.5 ± 0.231 ^c3	82.767 ± 0.203 ^c2	96.233 ± 0.145 ^c1
	Menfiya	82.333 ± 0.203 ^b3	87.2 ± 0.231 ^b2	105.3 ± 0.173 ^b1
	Kafr El-Shaikh	88.533 ± 0.176 ^a3	91.567 ± 0.203 ^a2	111.567 ± 0.376 ^a1
CAT	Control	13.533 ± 0.348	14.167 ± 0.088	17.4 ± 0.231
	Gharbiya	19.4 ± 0.231 ^c3	24.6 ± 0.231 ^c2	28 ± 0.173 ^c1
	Menfiya	21.467 ± 0.47 ^b3	26.6 ± 0.405 ^b2	30.133 ± 0.203 ^b1
	Kafr El-Shaikh	23.567 ± 0.291 ^a3	29.533 ± 0.233 ^a2	32.433 ± 0.291 ^a1
GST	Control	3.233 ± 0.145	3.7 ± 0.115	4.267 ± 0.145
	Gharbiya	6.167 ± 0.176 ^c3	6.8 ± 0.265 ^c2	9.233 ± 0.176 ^c1
	Menfiya	6.3 ± 0.173 ^b3	7.567 ± 0.26 ^b2	9.667 0.376 ^b1
	Kafr El-Shaikh	6.7 ± 0.265 ^a3	8.167 ± 0.176 ^a2	10.2 ± 0.289 ^a1

^aMeans highest significant, take the forms (a1, a2 a3) for organs (Gills, Hepato, and Muscle) respectively
^bMeans significant difference number 2, take the forms (b1, b2 b3) for organs (Gills, Hepato, and Muscle) respectively
^cMeans the lowest significant, take the forms (c1, c2 c3) for organs (Gills, Hepato, and Muscle) respectively

ISSN: 2056-3132