Glut4

D1 PKD1 C PKC

PKC PKD

PKD1,2,3

PKD1,2,3 CYS1,2: Zinc finger domain, AC: acidic domain, PH:

pleckstrin homology domain, KINASE: kinase domain

PKD

TGN TGN

(basolateral)

PKDs (PKD1,2,3)

2009 MAP p38

p38 PKD1

PKD1

PKD1

PKD

PKD1, 2, 3 3

PKD2 3

PKD1, 2

インスリン分泌に関与するPKD遺伝子欠損マウスの作製と糖尿病モデルマウスとしての検討

大阪大学医学系研究科細胞生物学教室教授　　原　田　彰　宏

（共同研究者）群馬大学生体調節研究所　助　　教　　佐　藤　隆　史　　　　　同上　　　　　大学院生　　國　井　政　孝

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Glut4

D1 PKD1 C PKC

PKC PKD

PKD1,2,3

PKD1,2,3 CYS1,2: Zinc finger domain, AC: acidic domain, PH:

pleckstrin homology domain, KINASE: kinase domain

PKD

TGN TGN

(basolateral)

PKDs (PKD1,2,3)

2009 MAP p38

p38 PKD1

PKD1

PKD1

PKD

PKD1, 2, 3 3

PKD2 3

PKD1, 2

− 95 −

revertible knockout

PKD1

(geo/geo)

PKD1

IPGTT

PKD2

PKD1

PKD1 knockout mouse

WT allele targeting vector

targeted allele SA-PGK-bgeo-pA Flp

floxed allele Cre null allele

PKD1 KO cont

PKD1 KO

cont

A B

− 96 −

revertible knockout

PKD1

(geo/geo)

PKD1

IPGTT

PKD2

PKD1

PKD1 knockout mouse

WT allele targeting vector

targeted allele SA-PGK-bgeo-pA Flp

floxed allele Cre null allele

PKD1 KO cont

PKD1 KO

cont

A B

− 97 −

PKD1

PKD1

PKD (PKD2, 3) in

vitro PKD1 knockdown PKD1 antisense off-target effect

PKD1, 2

PKD1

PKD1 knockout mouse PKD1

knockout mouse

PKD

PKD PKD2

PKD1,2

1. A. Rykx, L.D. Kimpe, S. Mikhalap, T. Vantus, T. Seufferlein, J.R. Vandenheede, J.V.

Lint.

Protein kinase D: a family affair. FEBS Lett. 546: 81-86 (2003)

2. M. Liljedahl, Y. Maeda, A. Colanzi, I. Ayala, J.V. Lint, V. Malhotra.

Protein Kinase D Regulates the Fission of Cell Surface Destined Transport Carriers

from the Trans-Golgi Network. Cell 104(3):409-420 (2001)

3. C. Yeaman, M.I. Ayala, J.R. Wright, F. Bard, C. Bossard, A. Ang, Y. Maeda, T.

Seufferlein, I. Mellman, W. J. Nelson, V. Malhotra.

Protein kinase D regulates basolateral membrane protein exit from trans-Golgi

network Nat. Cell Biol. 6, 106-112 (2004)

4. G. Sumara, I. Formentini, S. Collins, I. Sumara, R. Windak, B. Bodenmiller, R.

Ramracheya, D. Caille, H. Jiang, K.A. Platt et al.

Regulation of PKD by the MAPK p38 in Insulin Secretion and Glucose Homeostasis.

Cell 136(2):235-248 (2009)

5. T. Sato, S. Mushiake, Y. Kato, K. Sato, M. Sato, N. Takeda, K. Ozono, K. Miki, Y.

Kubo, A. Tsuji, R. Harada, and A. Harada

The Rab8 GTPase regulates apical protein localization in intestinal cells.

Nature 448:366-369, (2007).

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PKD1

PKD1

PKD (PKD2, 3) in

vitro PKD1 knockdown PKD1 antisense off-target effect

PKD1, 2

PKD1

PKD1 knockout mouse PKD1

knockout mouse

PKD

PKD PKD2

PKD1,2

1. A. Rykx, L.D. Kimpe, S. Mikhalap, T. Vantus, T. Seufferlein, J.R. Vandenheede, J.V.

Lint.

Protein kinase D: a family affair. FEBS Lett. 546: 81-86 (2003)

2. M. Liljedahl, Y. Maeda, A. Colanzi, I. Ayala, J.V. Lint, V. Malhotra.

Protein Kinase D Regulates the Fission of Cell Surface Destined Transport Carriers

from the Trans-Golgi Network. Cell 104(3):409-420 (2001)

3. C. Yeaman, M.I. Ayala, J.R. Wright, F. Bard, C. Bossard, A. Ang, Y. Maeda, T.

Seufferlein, I. Mellman, W. J. Nelson, V. Malhotra.

Protein kinase D regulates basolateral membrane protein exit from trans-Golgi

network Nat. Cell Biol. 6, 106-112 (2004)

4. G. Sumara, I. Formentini, S. Collins, I. Sumara, R. Windak, B. Bodenmiller, R.

Ramracheya, D. Caille, H. Jiang, K.A. Platt et al.

Regulation of PKD by the MAPK p38 in Insulin Secretion and Glucose Homeostasis.

Cell 136(2):235-248 (2009)

5. T. Sato, S. Mushiake, Y. Kato, K. Sato, M. Sato, N. Takeda, K. Ozono, K. Miki, Y.

Kubo, A. Tsuji, R. Harada, and A. Harada

The Rab8 GTPase regulates apical protein localization in intestinal cells.

Nature 448:366-369, (2007).

− 99 −