Furukawa, E., Masaki, T., Sakaguchi, K., Bo, M., Yanagawa, Y., Ueda, K. and Nagano, M: Relationship between the timing of the first postpartum ovulation and antral follicle counts in Holstein cows, Journal of Ovarian Research, 13: 7, 2020.

Chen, Z., Wu, Y., Nagano, M. ?, Ueshiba, K., Furukawa, E., Yamamoto, Y., Chiba, H. and Hui, S.P.: Lipidomic profiling of dairy cattle oocytes by high performance liquid chromatography-high resolution tandem mass spectrometry for developmental competence markers, Theriogenology, 144: 56-66, 2020.

Yang, Y., Kanno, C., Sakaguchi, K., Katagiri, S., Yanagawa, Y. and Nagano, M. *: Theca cells can support bovine oocyte growth in vitro without the addition of steroid hormones, Theriogenology, 142; 41-47, 2020.

Takahashi, N., Harada, M., Ohi, N., Izumi, G., Momozawa, K., Matsuzawa, A., Tokunaga, Y., Hirata, T., Fujii, T. and Osuga, Y. 2020. Preclinical validation of the new vitrification device possessing a feature of absorbing excess vitrification solution for the cryopreservation of human embryos. J. Obstet. Gynaecol. Res. , 46: 302-309.

Sakaguchi, K., Yanagawa, Y., Yoshioka, K., Suda, T., Katagiri, S. and Nagano, M. *: Relationships between the antral follicle count, steroidogenesis, and secretion of follicle-stimulating hormone and anti-M?llerian hormone during follicular growth in cattle, Reproductive Biology and Endocrinology, 17: 88, 2019.

Abe, S., Koyanagi, Y., Nakano, M., Sasaki, M., Matsuzawa, A., Tokunaga, Y., Yoshida, K., *Momozawa, K. and Miyake, T. 2019. Usefulness of vitrification device having vitrification solution absorber for cryopreservation of mouse embryos at the blastocyst stage. Jpn. J. Vet. Res. 68: 59-64.

Torii, Y., Matsumoto, N., Sakamoto, H., Nagano, M., Katagiri, S. and Yanagawa, Y.: Monitoring follicular dynamics using ultrasonography in captive brown bears (Ursus arctos) during the breeding season, Theriogenology, 140: 164-170, 2019.

Nagano M. Acquisition of developmental competence and in vitro growth culture of bovine oocytes. J Reprod Dev 65: 195-201, 2019.

Momozawa K, Matsuzawa A, Tokunaga Y, Ohi N, Harada M. A new vitrification device that absorbs excess vitrification solution adaptable to a closed system for the cryopreservation of mouse embryos. Cryobiology 88: 9-14, 2019.

Sakaguchi K, Maylem ERS, Tilwani RC, Yanagawa Y, Katagiri S, Atabay EC, Atabay EP, Nagano M. Effects of follicle-stimulating hormone followed by gonadotropin-releasing hormone on embryo production by ovum pick-up and in vitro fertilization in the river buffalo (Bubalus bubalis). Anim Sci J 90: 690-695, 2019.

Abdel-Ghani MA, Yanagawa Y, Balboula AZ, Sakaguchi K, Kanno C, Katagiri S, Takahashi M, Nagano M. Astaxanthin improves the developmental competence of in vitro grown oocytes and modifies the steroidogenesis of granulosa cells derived from bovine early antral follicles. Reprod Fertil Dev 31: 272-281, 2019.

Tomiyasu J, Yanagawa Y, Sato Y, Shimozuru M, Nagano M, Sasaki M, Sakamoto H, Matsumoto N, Kobayashi K, Kayano M, Haneda S, Matsui M. Testosterone-related and seasonal changes in sebaceous glands in the back skin of adult male brown bears (Ursus arctos). Can J Zool 96: 205-211, 2018.

Kanno C, Sakamoto KQ, Yanagawa Y, Takahashi Y, Katagiri S, Nagano M. Comparison of sperm subpopulation structures in first and second ejaculated semen from Japanese black bulls by a cluster analysis of sperm motility evaluated by a CASA system. J Vet Med Sci 79: 1359-1365, 2017.

Sakaguchi K, Huang W, Yang Y, Yanagawa Y, Nagano M. Relationship between in vitro growth of bovine oocytes and steroidogenesis of granulosa cells cultured in medium supplemented with bone morphogenetic protein-4 and follicle stimulating hormone. Theriogenology 97: 113-123, 2017.

Momozawa K, Matuzawa A, Tokunaga Y, Abe S, Koyanagi Y, Kurita M, Nakano M, Miyake T. Efficient vitrification of mouse embryos using the Kitasato Vitrification System as a novel vitrification device. Reprod Biol Endocrinol 15: 29, 2017.