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Information Journal Paper

Title

MICROINJECTION OF DIHYDROTESTOSTERONE AS A 5 α-REDUCED METABOLITE OF TESTOSTERONE INTO CA1 REGION OF HIPPOCAMPUS COULD IMPROVE SPATIAL LEARNING IN THE ADULT MALE RATS

Pages

  661-669

Abstract

 CA1 region of hippocampus has an important role in learning and memory. Previous reports have shown that ANDROGENs like testosterone and its metabolites are present in high concentration in CA1 region of hippocampus. ANDROGEN receptors have also high density in this region. Therefore, it is suggested that neurohormones in CA1 have an important role in learning and memory. It is likely that testosterone exerts its effect via its metabolites, especially dihydrotestosterone (DHT), a 5 a-reduced ANDROGEN. In this research, we conducted an experiment to assess the path of testosterone›s effectiveness on SPATIAL LEARNING AND MEMORY. Adult male RATs were randomly divided into 4 groups and, bilaterally, cannulated into CA1 region of hippocampus. One week after the surgery, animals received DMSO 0.5 mL as a control group and different doses of dihydrotestosterone (DHT) (0.25, 0.5 and 1 mg/0.5 mL/side) 25-30 min before the training in spatial version of Morris Water Maze task. Training session contained two blocks which animals had to learn the position of hidden platform in 4 trials. On the test session (next day), RATs performed a one-trial probe test and then a visible platform one. The results showed that escape latency and traveled distance were decreased significantly in DHT-treated (0.5 mg/0.5 mL/side) RATs. This finding suggested that DHT may have improved the effect on acquisition of SPATIAL LEARNING AND MEMORY.

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    APA: Copy

    BABANEJAD, SOHEILA, NAGHDI, NASSER, & HAERI ROHANI, SEYYED ALI. (2012). MICROINJECTION OF DIHYDROTESTOSTERONE AS A 5 α-REDUCED METABOLITE OF TESTOSTERONE INTO CA1 REGION OF HIPPOCAMPUS COULD IMPROVE SPATIAL LEARNING IN THE ADULT MALE RATS. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), 11(2), 661-669. SID. https://sid.ir/paper/287959/en

    Vancouver: Copy

    BABANEJAD SOHEILA, NAGHDI NASSER, HAERI ROHANI SEYYED ALI. MICROINJECTION OF DIHYDROTESTOSTERONE AS A 5 α-REDUCED METABOLITE OF TESTOSTERONE INTO CA1 REGION OF HIPPOCAMPUS COULD IMPROVE SPATIAL LEARNING IN THE ADULT MALE RATS. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR)[Internet]. 2012;11(2):661-669. Available from: https://sid.ir/paper/287959/en

    IEEE: Copy

    SOHEILA BABANEJAD, NASSER NAGHDI, and SEYYED ALI HAERI ROHANI, “MICROINJECTION OF DIHYDROTESTOSTERONE AS A 5 α-REDUCED METABOLITE OF TESTOSTERONE INTO CA1 REGION OF HIPPOCAMPUS COULD IMPROVE SPATIAL LEARNING IN THE ADULT MALE RATS,” IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), vol. 11, no. 2, pp. 661–669, 2012, [Online]. Available: https://sid.ir/paper/287959/en

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