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. 2022 Feb 9;11(4):496. doi: 10.3390/foods11040496

Table 7.

Summary of pathological changes in rats fed with commercial non-GM, GM-1, and GM-2 soybeans for 90 days.

Organ Histopathological Findings Group (5 g/kg)
Male Female
Non-
GM
GM
-1
GM
-2
Non
-GM
GM
-1
GM
-2
Adrenal gland - - - - - -
Aorta - - - - - -
Brain
Fore - - - - - -
Middle - - - - - -
Cerebellum - - - - - -
Stem - - - - - -
 Bone, femur - - - - - -
 Bone marrow
 Femur and sternum - - - - - -
 Cervix N N N - - -
 Epididymis - - - - - -
 Esophagus - - - - - -
 Eyes - - - - - -
 Harderian gland
 Infiltration, mononuclear cell, focal, minimal to slight a - - 1/9 b 1/10 - -
 Heart
 Infiltration, mononuclear cell, focal, minimal to slight - - 1/9 - - -
 Intestine, small
Duodenum - - - - - -
Jejunum - - - - - -
Ileum - - - - - -
 Intestine, large
Caecum - - - - - -
Colon - - - - - -
Rectum - - - - - -
 Kidney
 Cyst, tubule, focal, slight to moderate 2/9 - - - - -
 Liver - - - - - -
 Lung
 Granuloma, foreign body, focal, slight 1/9 - - - - -
 Lymph node
Cervical - - - - - -
Mesenteric - - - - - -
 Mammary gland N N N - - -
 Optic nerve - - - - - -
 Ovary N N N - - -
 Oviduct N N N - - -
 Pancreas
Fibrosis, islet, focal, slight - - 1/9 - - -
 Pituitary - - - - - -
 Parathyroid gland - - - - - -
 Prostate gland N N N
 Infiltration, mononuclear cell, focal, minimal to moderate 4/9 1/10 2/9
 Salivary gland
Mandibular lobe - - - - - -
Sublingual lobe - - - - - -
 Sciatic nerve - - - - - -
 Seminal vesicle - - - N N N
 Skeletal muscle - - - - - -
 Skin - - - - - -
 Spinal cord
Cervical - - - - - -
Lumbar - - - - - -
Thoracic - - - - - -
 Spleen
 Fibrosis, serosa, focal, minimal - 1/10 - - 1/10 -
 Stomach - - - - - -
 Testes - - - - - -
 Thymus - - - - - -
 Thyroid gland - - - - - -
 Tongue - - - - - -
 Trachea - - - - - -
 Urinary bladder - - - - - -
 Uterus N N N - - -
 Vagina N N N - - -

- No effect. N: no tissue available. a Degree of lesions was graded from one to five depending on severity: 1 = minimal (<1%); 2 = slight (1–25%); 3 = moderate (26–50%); 4 = moderate/severe (51–75%); 5 = severe/high (76–100%). b Incidence: Affected rats/Total examined rats (n = 9–10).