In-vitro Mammalian Chromosome Aberration Test
Requirement:
Chemicals:
1
Distilled
water
2
Magnesium
sulfate (MgSO4.H2O)
3
Potassium
phosphate dibasic anhydrous (K2HPO4)
4
Sodium
ammonium phosphate (Na2NH2PO4.4H2O)
5
Sodium chloride
6
Sodium phosphate monobasic
7
Sodium phosphate dibasic
8
D-glucose-6-phosphate
9
Phosphate (NADP)
10
Magnesium chloride (MgCl)
11
Potassium chloride (KCl)
12
Glucose-5-phosphate dehydrogenase
13
Liver S-9 fraction
14
Penicillin
15
Streptomycin
16
Cyclophosphamide
17
DMSO
18
KCl
19
Glacial acetic acid
20
Gurr’s Giemsa Improved 266
21
Colchicine
22
5-bromo-2-deoxyuridine
Glassware’s/General
requirement
1
Heparinised tube (with sodium)
2
Slides
3
Coverslips
4
Sterile glass tubes (100×13-mm and
150×16-mm)
5
Test tube racks
6
General laboratory glassware (flasks,
bottles, graduated cylinders)
7
Pipets (1, 2, 5, and 10 ml)
8
Pipettors (adjustable volumes up to
200 and 500 ml)
9
Pipet tips
10
Dispensers for buffer and S-9 mix to
the test tubes
11
Cryogenic tubes for freezing down
permanent and working cultures
12
Sterile glycerol
13
Magnetic stir bars
14
Mammalian tissue homogenate (S-9
fraction)
15
Dimethylsulfoxide and other solvents
16
Positive control chemicals
17
Gloves
18
Gowns
19
Goggles or protective eyewear
Biohazard bags
20
Protective covers for the workspace
Equipment
1
Autoclave
2
Microscope (1000 X magnification)
3
Ultraviolet light 366 nm
4
Incubator (37 - 40°C)
5
Gas line for keeping aseptic
techniques while inoculating cultures
6
Magnetic stirrers
7
Balances
8
Water purification system to generate
distilled water
9
Spectrophotometer
10
Centrifuge (up to 10000 rpm)
11
Revco freezer or liquid nitrogen tank
12
Refrigerator/freezer
13
Chemical/biological safety hood
14
Liquid waste disposal
15
Vacuum pump
16
Solid waste disposal
Reagents
and culture media
1
RPMI 1600 medium (Supplied with 25 mM
HEPES buffer & glutaMAX)
2
Foetal Calf serum (FCS 10-20 %)
3
Reagent grade PHA (2%)
Phytohaemagglutamine
4
S-9 fraction (prepared from the liver of
SD rats)
5
S-9 mix (with glucose-6-phosphate)
6
MacIlvaine’s buffer
7
Hoechst-33258
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