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Tác Động Cấp Tính Của Valproate Gây Ra Những Thay Đổi Cụ Thể Theo Giới Tính Trong Chuyển Hóa Hormone Steroid Tại Vỏ Não Của Chuột Vị Thành Niên
Tóm tắt
Acid valproic (VPA), một loại thuốc chống động kinh và ổn định tâm trạng, điều chỉnh quá trình dẫn truyền thần kinh và biểu hiện gen thông qua việc ức chế hoạt động của histone deacetylase. Có báo cáo cho rằng VPA có thể ảnh hưởng đến mức hormone steroid. Trong nghiên cứu này, các thay đổi chuyển hóa cấp tính do VPA gây ra được khảo sát bằng phương pháp sắc ký lỏng - khối phổ kết hợp trong não của chuột trước tuổi dậy thì. Ở chuột được điều trị VPA (400 mg/kg trong dung dịch saline, đường tiêm phúc mạc), mức cortisol đã tăng lên (giới nữ: P < 0.004, giới nam: P < 0.003) và mức 17β-estradiol đã giảm (Cả hai P < 0.03). Hơn nữa, ở chuột đực được điều trị VPA, mức dihydrotestosterone đã tăng (P < 0.02) trong khi mức testosterone đã giảm (P < 0.002). Hoạt động của 4-hydroxylase đã được tăng cường ở chuột cái được điều trị VPA (P < 0.01) và hoạt động của 5α-reductase đã tăng ở chuột đực được điều trị VPA (P < 0.003). Những kết quả này cho thấy sự khác biệt cụ thể theo giới tính trong chuyển hóa steroid do VPA gây ra ở vỏ não.
Từ khóa
#acid valproic #hormone steroid #chuyển hóa #chuột vị thành niên #vỏ nãoTài liệu tham khảo
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