Ontogeny of cholecystokinin-immunoreactive cells in the digestive tract of bluefin tuna, Thunnus thynnus, larvae

Yuko Kamisaka; Tatsuya Kaji; Shukei Masuma; Nobuhiro Tezuka; Tadahide Kurokawa; Tohru Suzuki; Geir K. Totland; Ivar Rønnestad; Masatomo Tagawa; Masaru Tanaka

doi:10.1080/00364820260294888

Ontogeny of cholecystokinin-immunoreactive cells in the digestive tract of bluefin tuna, Thunnus thynnus, larvae

Yuko Kamisaka, Tatsuya Kaji, Shukei Masuma, Nobuhiro Tezuka, Tadahide Kurokawa, Tohru Suzuki, Geir K. Totland, Ivar Rønnestad, Masatomo Tagawa, Masaru Tanaka

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

Abstract

The appearance and distribution of cholecystokinin (CCK)-immunoreactive (IR) cells in the digestive tract of cultured developing larvae of bluefin tuna, Thunnus thynnus, were investigated by immunohistochemistry. The CCK-IR cells had an elongated triangular shape and a thin apex pointing towards the lumen of the gut. Very few weakly stained CCK-IR cells were found at hatching (0 days after hatching, DAH) and first feeding (3 DAH), while strongly stained CCK-IR cells were detected in all the larvae examined after 12 DAH. CCK-IR cells were scattered both in the pyloric caeca and the anterior intestine at 12 DAH, while the distribution was restricted to the pyloric caeca at 22 DAH. The relationships between the ontogeny of CCK and pancreatic enzymes are discussed.

Original language	English
Pages (from-to)	258-262
Number of pages	5
Journal	Sarsia
Volume	87
Issue number	3
DOIs	https://doi.org/10.1080/00364820260294888
Publication status	Published - 2002 Sep 20
Externally published	Yes

Keywords

Bluefin tuna larvae
Cholecystokinin
Digestive tract
Immunoreactive cells
Ontogeny

ASJC Scopus subject areas

Aquatic Science
Ecology

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10.1080/00364820260294888

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Ontogeny of cholecystokinin-immunoreactive cells in the digestive tract of bluefin tuna, Thunnus thynnus, larvae. / Kamisaka, Yuko; Kaji, Tatsuya; Masuma, Shukei; Tezuka, Nobuhiro; Kurokawa, Tadahide; Suzuki, Tohru; Totland, Geir K.; Rønnestad, Ivar; Tagawa, Masatomo; Tanaka, Masaru.

In: Sarsia, Vol. 87, No. 3, 20.09.2002, p. 258-262.

Research output: Contribution to journal › Article › peer-review

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title = "Ontogeny of cholecystokinin-immunoreactive cells in the digestive tract of bluefin tuna, Thunnus thynnus, larvae",

abstract = "The appearance and distribution of cholecystokinin (CCK)-immunoreactive (IR) cells in the digestive tract of cultured developing larvae of bluefin tuna, Thunnus thynnus, were investigated by immunohistochemistry. The CCK-IR cells had an elongated triangular shape and a thin apex pointing towards the lumen of the gut. Very few weakly stained CCK-IR cells were found at hatching (0 days after hatching, DAH) and first feeding (3 DAH), while strongly stained CCK-IR cells were detected in all the larvae examined after 12 DAH. CCK-IR cells were scattered both in the pyloric caeca and the anterior intestine at 12 DAH, while the distribution was restricted to the pyloric caeca at 22 DAH. The relationships between the ontogeny of CCK and pancreatic enzymes are discussed.",

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author = "Yuko Kamisaka and Tatsuya Kaji and Shukei Masuma and Nobuhiro Tezuka and Tadahide Kurokawa and Tohru Suzuki and Totland, {Geir K.} and Ivar R{\o}nnestad and Masatomo Tagawa and Masaru Tanaka",

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AU - Kamisaka, Yuko

AU - Kaji, Tatsuya

AU - Masuma, Shukei

AU - Tezuka, Nobuhiro

AU - Kurokawa, Tadahide

AU - Suzuki, Tohru

AU - Totland, Geir K.

AU - Rønnestad, Ivar

AU - Tagawa, Masatomo

AU - Tanaka, Masaru

PY - 2002/9/20

Y1 - 2002/9/20

N2 - The appearance and distribution of cholecystokinin (CCK)-immunoreactive (IR) cells in the digestive tract of cultured developing larvae of bluefin tuna, Thunnus thynnus, were investigated by immunohistochemistry. The CCK-IR cells had an elongated triangular shape and a thin apex pointing towards the lumen of the gut. Very few weakly stained CCK-IR cells were found at hatching (0 days after hatching, DAH) and first feeding (3 DAH), while strongly stained CCK-IR cells were detected in all the larvae examined after 12 DAH. CCK-IR cells were scattered both in the pyloric caeca and the anterior intestine at 12 DAH, while the distribution was restricted to the pyloric caeca at 22 DAH. The relationships between the ontogeny of CCK and pancreatic enzymes are discussed.

AB - The appearance and distribution of cholecystokinin (CCK)-immunoreactive (IR) cells in the digestive tract of cultured developing larvae of bluefin tuna, Thunnus thynnus, were investigated by immunohistochemistry. The CCK-IR cells had an elongated triangular shape and a thin apex pointing towards the lumen of the gut. Very few weakly stained CCK-IR cells were found at hatching (0 days after hatching, DAH) and first feeding (3 DAH), while strongly stained CCK-IR cells were detected in all the larvae examined after 12 DAH. CCK-IR cells were scattered both in the pyloric caeca and the anterior intestine at 12 DAH, while the distribution was restricted to the pyloric caeca at 22 DAH. The relationships between the ontogeny of CCK and pancreatic enzymes are discussed.

KW - Bluefin tuna larvae

KW - Cholecystokinin

KW - Digestive tract

KW - Immunoreactive cells

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