Effects of melatonin on morphology and development of primordial follicles during in vitro culture of bovine ovarian tissue

被引：25

作者：

Cavalcante, Barbara N. ^{[1
]}

Matos-Brito, Bruno G. ^{[1
]}

Paulino, Lais R. F. M. ^{[1
]}

Silva, Bianca R. ^{[1
]}

Melo Aguiar, Antonio Wesley ^{[1
]}

Maia de Almeida, Edmar Felipe ^{[1
]}

Paz Souza, Ana Liza ^{[1
]}

Vasconcelos, Gisvani Lopes ^{[1
]}

Teixeira De Assis, Ernando Igo ^{[1
]}

Silva, Anderson W. B. ^{[1
]}

Silva, Jose Roberto V. ^{[1
]}

机构：

[1] Univ Fed Ceara, Lab Biotechnol & Physiol Reprod LABIREP, Sobral, Brazil

来源：

REPRODUCTION IN DOMESTIC ANIMALS | 2019年

关键词：

antioxidant; follicular development; melatonin; morphology; OXIDATIVE STRESS; GRANULOSA-CELLS; DAMAGE; MATURATION; PROTECTS; MITOCHONDRIA; ACTIVATION; RECEPTORS; APOPTOSIS; OOCYTES;

D O I：

10.1111/rda.13565

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

This study aims to investigate the effect of melatonin on activation, growth and morphology of bovine primordial follicles, as well as on stromal cells density in ovarian tissues after in vitro culture. Ovarian fragments were cultured in alpha-MEM+ alone or supplemented with melatonin (250, 500, 1,000 or 2,000 pM) for a period of six days. Non-cultured and cultured tissues were processed for histological analysis; according to developmental stages, follicles were classified as primordial or growing follicles. These follicles were further classified as morphologically normal or degenerated. Ovarian stromal cell density was also evaluated. The percentages of primordial and developing follicles, as well as those classified of normal follicles, were compared by Fisher's exact test, and the differences were considered significant when p < .05. The results showed that the presence of 1,000 and 2,000 pM melatonin in culture medium promoted a reduction in the percentage of primordial follicles and an increase in the percentage of development follicles, when compared to follicles cultured in control medium. On the other hand, the presence of 250 or 500 pM melatonin did not show a significant effect on the percentage of primordial and developing follicles. Besides that, the presence of 500, 1,000 and 2,000 pM melatonin maintained the percentage of normal follicles similar to those seen uncultured control. Moreover, tissues cultured in presence of 1,000 pM melatonin showed a higher percentage of normal follicles when compared to follicles cultured in the presence of 250 pM melatonin. It was observed a similar profile of stromal density in both uncultured tissues and those cultured in vitro in the presence of melatonin. In conclusion, melatonin (1,000 and 2,000 pM) promotes bovine primordial follicles activation and maintains the stromal cell density during in vitro culture of ovarian cortical tissue.

引用

页码：1567 / 1573

页数：7

共 50 条

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