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JRD Vol. 71 (5) の発刊のお知らせ
SRD会員の皆様へ
平素からThe Journal of Reproduction and Development (JRD) の刊行にご協力を頂き有難うございます。Vol. 71 (5) が発刊となりました。ご一読いただき，また論文執筆の際にはご活用いただけますようお願いいたします。
本号では，MONIRUZZAMAN 先生に招待総説論文 「Early pregnancy detection in ruminants: challenges and innovations」を寄稿していただきました。是非お読みいただけましたら幸いです。
JRDでは皆様からの論文投稿をお待ちしています。ご検討をどうぞよろしくお願いいたします。
JRD編集委員長 原山 洋
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JRD Vol. 71 (5)
Invited review article
Early pregnancy detection in ruminants: challenges and innovations
Jakia SULTANA, Sanjita Rani PAUL, Md Sayaduzzaman ARAFATH, Md Hasanur ALAM, Md Sharoare HOSSAIN, Mohammad MONIRUZZAMAN
Volume 71, Issue 5, Pages 238-248
Original Article
Chilling injury mechanism in the immature oocytes of zebrafish (Danio rerio)
Yanuar ACHADRI, Shino SONODA, Saki OKUBO, Kazutsugu MATSUKAWA, Keisuke EDASHIGE
Volume 71, Issue 5, Pages 249-255
Tryptophan promotes sperm hyperactivation in hamsters via 5-hydroxytryptamine biosynthesis within sperm
Issei SUZUKI, Masakatsu FUJINOKI, Takao KAMAI
Volume 71, Issue 5, Pages 256-265
The mechanism of heat stress-induced injury in the immature oocytes of zebrafish (Danio rerio)
Yanuar ACHADRI, Nao KUWAHARA, Momoko KIMURA, Nami KANAMARU, Kazutsugu MATSUKAWA, Keisuke EDASHIGE
Volume 71, Issue 5, Pages 266-271
Effects of luteal blood flow on endometrial progesterone concentrations and gene expression in Japanese Black cows
Tomomi KANAZAWA, Motohide SEKI, Kosuke IGA, Keiichiro KIZAKI
Volume 71, Issue 5, Pages 272-281
Effects of light wavelength on oocyte maturation, parthenogenesis, and parthenogenetic embryo development in pigs
Su Bin JUNG, So Yeon NAM, Ha Rin NAMKUNG, Ji Won HAN, Seon Ah RYU, Eun Song LEE, Seung Tae LEE
Volume 71, Issue 5, Pages 282-289
Technology Report
A simplified protocol for vitrification of hamster embryos
Michiko HIROSE, Nami MORISHITA, Ayumi HASEGAWA, Keiji MOCHIDA, Toshiko TOMISHIMA, Kimiko INOUE, Toshitaka HORIUCHI, Atsuo OGURA
Volume 71, Issue 5, Pages 290-294
Cover Story:
Golden hamsters (Mesocricetus auratus) have been extensively used in biomedical research. With the advent of genome-editing technology, it is now possible to generate gene-knockout hamsters, providing unique research models that cannot be achieved with mice or rats. Therefore, the development of cryopreservation techniques for hamster embryos is in high demand. In this study, we present a simplified vitrification protocol for hamster embryo preservation. In vivo-derived 8-cell or morula embryos (Day 3) were vitrified using Cryotop in modified HECM-3 medium containing ethylene glycol, DMSO, and sucrose. After warming, the embryos were transferred into the uteri of Day 3-pregnant females with a different coat color. The results showed that 21–26% of the transferred embryos developed to the term. The experiments were conducted in a conventional laboratory setting, avoiding direct light exposure. Given the reproducibility of our vitrification protocol, it has broad applicability in laboratories that use hamsters.
A novel method of correlative light and electron microscopy in cryosectioning of bovine anterior pituitary tissue using NanoSuit CLEM
Hiroya KADOKAWA, Hideya KAWASAKI
Volume 71, Issue 5, Pages 295-300
