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Effect of N-carbamylglutamate (NCG) on proliferation of ovarian somatic cells. (A) Immunohistochemistry of proliferating cell nuclear antigen (PCNA) in the ovaries. Scale bar: 50 μm. (B) Expression of proliferation-associated gene CCND1 and CDK2 changes. (C) Relative expression of PCNA, CCND1, and CDK2. Different lowercase letters indicated significant difference (P < 0.05).
