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ゝ ࠚ Carbonyl reductase 1 㸦CBR1㸧ࡣ ࠊNADPH ౫ Ꮡ ᛶ ࡢ

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་ ඹ ᵝ ᘧ 㸯

Ꮫ ఩ ㄳ ồ ㄽ ᩥ ࡢ ෆ ᐜ ࡢ せ ᪨

ㄽ ᩥ ᥦ ฟ ⪅ Ặ ྡ ⭘ ⒆ ไ ᚚ ⛉ Ꮫ 㡿 ᇦ ፬ ே ⛉ ⭘ ⒆ Ꮫ ᩍ ⫱ ◊ ✲ ศ 㔝 Ặ ྡ ᾏ ⪁ ྡ ᮥ ዉ

㸦 ㄽ ᩥ 㢟 ┠ 㸧

Carbonyl reductase 1-overexpressing exosomes inhibit proliferation of ovarian cancer cells

࢝ ࣝ ࣎ ࢽ ࣝ 㑏 ඖ 㓝 ⣲ 㐣 ๫ Ⓨ ⌧ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡣ ༸ ᕢ ⒴ ⣽ ⬊ ࡢ ቑ Ṫ ࢆ ᢚ ไ ࡍ ࡿ

࠙ ⥴ ゝ ࠚ

Carbonyl reductase 1 㸦CBR1㸧ࡣ ࠊNADPH ౫ Ꮡ ᛶ ࡢ ࢝ ࣝ ࣎ ࢽ ࣝ 㑏 ඖ 㓝 ⣲ ࡢ ୍ ࡘ ࡛ ࠶ ࡿ ࠋ ᡃ ࠎ ࡣ ࠊCBR1 ࡀ 㧗 Ⓨ ⌧ ࡋ ࡚ ࠸ ࡿ ༸ ᕢ ⒴ ⣽ ⬊ ࠿ ࡽ ⭘ ⒆ ࡀ ༑ ศ ࡟ ቑ Ṫ ࡏ ࡎ ࠊ ㏫ ࡟ ༸ ᕢ ⒴ ⣽

⬊ ෆ ࡢ CBR1 ࡢ Ⓨ ⌧ ࢆ ప ୗ ࡉ ࡏ ࡿ ࡜ ⭘ ⒆ ࡢ Ⓨ ⏕ ࡀ ಁ 㐍 ࡉ ࢀ ࠊ ௚ ࡢ ⮚ ჾ ࡬ ࡢ ㌿ ⛣ ࡢ 㢖 ᗘ ࡀ ቑ ຍ ࡍ ࡿ ࡇ ࡜ ࢆ ሗ ࿌ ࡋ ࡚ ࡁ ࡓ ࠋ ᮏ ◊ ✲ ࡛ ࡣ ࠊ ࢻ ࣛ ࢵ ࢢ ࢹ ࣜ ࣂ ࣜ ࣮ ࢩ ࢫ ࢸ ࣒ 㸦DDS㸧 ࡜ ࡋ

࡚ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡟ ╔ ┠ ࡋ ࡓ ࠋCBR1ࢆ 㐣 ๫ Ⓨ ⌧ ࡍ ࡿ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࢆ స 〇 ࡋ ࠊ ࢚ ࢡ ࢯ ࢯ ࣮

࣒ ࢆ ⏝ ࠸ ࡚ ༸ ᕢ ⒴ ⣽ ⬊ ෆ ࡟ CBR1 DNA ࢆ ㏦ 㐩 ࡍ ࡿ ࡓ ࡵ ࡢ ᭱ 㐺 ࡞ ᮲ ௳ ࢆ Ỵ ᐃ ࡍ ࡿ ࡇ ࡜ ࠊ࢚

ࢡ ࢯ ࢯ ࣮ ࣒ ࡛ 㐠 ࡤ ࢀ ࡓ CBR1 ࡢ Ⓨ ⌧ ⛬ ᗘ ࡟ ࡼ ࡿ ⣽ ⬊ ቑ Ṫ ࡢ 㐪 ࠸ ࢆ ㄪ ࡭ ࡿ ࡇ ࡜ ࢆ ┠ ⓗ ࡜ ࡋ ࡓ ࠋ

࠙ ᪉ ἲ ࠚ

ᮏ ◊ ✲ ࡟ ࡣ ࠊ ⥺ ⥔ ⱆ ⣽ ⬊ ᰴ ࡛ ࠶ ࡿ ୙ Ṛ ໬ ࣄ ࢺ Ꮚ ᐑ ෆ ⭷ 㛫 ㉁ ⣽ ⬊ 㸦THESCs㸧 ࢆ ౑ ⏝ ࡋ ࡓ ࠋ

1) ࣜ ࣏ ࣇ ࢙ ࢡ ࢩ ࣙ ࣥ ἲ ࡛ THESCs࡟ CBR1 DNA ࢆ ᑟ ධ ࡋ ࡓ ࠋGFP ࢱ ࢢ ௜ ࡁ ࡢ DNAࢆ ⏝

࠸ ࡚ ࠊ DNA ࡢ ᑟ ධ ≧ ἣ ࢆ ⺯ ග 㢧 ᚤ 㙾 ࡛ ☜ ㄆ ࡋ ࡓ ࠋ Lipofectamin/DNA ẚ ࢆ Lipofectamin12~36μlࠊDNA12~48μg ࡟ タ ᐃ ࡋ ຠ ⋡ ⓗ ࡞ ᮲ ௳ ࡢ ᳨ ウ ࢆ ⾜ ࡗ ࡓ ࠋࡉ ࡽ ࡟ ࢘

࢚ ࢫ ࢱ ࣥ ࣈ ࣟ ࢵ ࢺ ἲ ࡛ CBR1 DNA ࢆ ᑟ ධ ࡋ ࡓ ⣽ ⬊ ࡛ ࡢ CBR1 ࡢ Ⓨ ⌧ ࣞ ࣋ ࣝ ࢆ Lipofectamin/NDAẚ ࡜ ᑟ ධ ࠿ ࡽ ࡢ ⤒ 㐣 ᫬ 㛫 ࡛ ẚ ㍑ ࡋ ࡓ ࠋ

2) CBR1 DNA ࢆ ࢺ ࣛ ࣥ ࢫ ࣇ ࢙ ࢡ ࢩ ࣙ ࣥ ࡋ ࡓ ⣽ ⬊ ࡢ ᇵ 㣴 ୖ Ύ ࠿ ࡽ exoEasy Maxi Kit ࢆ

⏝ ࠸ ࡚ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࢆ ⢭ 〇 ࡋ ࡓ ࠋ ⢭ 〇 ࡋ ࡓ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡣ ࢘ ࢚ ࢫ ࢱ ࣥ ࣈ ࣟ ࢵ ࢺ ἲ ࡛

࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡢ ⭷ ࢱ ࣥ ࣃ ࢡ ࡛ ࠶ ࡿ CD63 ࡢ Ⓨ ⌧ ⛬ ᗘ ࢆ ☜ ㄆ ࡋ ࡓ ࠋCBR1 DNA ᑟ ධ ⣽

⬊ ࠊCBR1 si RNA ᑟ ධ ⣽ ⬊ ࠊ 㑇 ఏ Ꮚ ᑟ ධ ࢆ ⾜ ࢃ ࡞ ࠿ ࡗ ࡓ ⣽ ⬊ 㸦 ࢥ ࣥ ࢺ ࣟ ࣮ ࣝ 㸧 ࡢ ୖ Ύ ࠿ ࡽ ⢭ 〇 ࡋ ࡓ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡢ CBR1 ࡢ Ⓨ ⌧ ࡢ ᕪ ࢆ ☜ ㄆ ࡋ ࡓ ࠋ

3) ༸ ᕢ ⒴ ⣽ ⬊ ᰴ TOV-21G(ࣄ ࢺ ༸ ᕢ ᫂ ⣽ ⬊ ⒴ ࠿ ࡽ ᶞ ❧)ࠊSK-OV-3(ࣄ ࢺ ༸ ᕢ ₢ ᾮ ᛶ ⒴ ࠿

ࡽ ᶞ ❧)࡟ CBR1 DNAᑟ ධ ⣽ ⬊ ࠊCBR1 si RNAᑟ ධ ⣽ ⬊ ࠊࢥ ࣥ ࢺ ࣟ ࣮ ࣝ ⣽ ⬊ ࠿ ࡽ ⢭ 〇 ࡋ ࡓ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࢆ ῧ ຍ ࡋ ࠊ ⣽ ⬊ ቑ Ṫ ࢆ ẚ ㍑ ࡋ ࡓ ࠋ

࠙ ⤖ ᯝ ࠚ

1) CBR1 DNA ᑟ ධ ࠿ ࡽ 48 ᫬ 㛫 ᚋ ࡲ ࡛ CBR1 DNA ࡢ ྲྀ ࡾ ㎸ ࡳ ࡀ ቑ ຍ ࡋ ࠊ ✀ ࠎ ࡢ Lipofectamin/DNAẚ ࡢ ୰ ࡛ Lipofectamin24μl/DNA 36μg࡛ ᭱ ࡶ Ⰻ ዲ ࡔ ࡗ ࡓ ࠋ࢘ ࢚ ࢫ ࢱ

ࣥ ࣈ ࣟ ࢵ ࢺ ἲ ࡟ ࡼ ࡾ ࠊCBR1 DNA ࢆ ᑟ ධ ࡋ ࡓ ⣽ ⬊ ࡛ ࢥ ࣥ ࢺ ࣟ ࣮ ࣝ ⣽ ⬊ ࡼ ࡾ ࡶ CBR1 ࡢ Ⓨ ⌧ ࡀ ቑ ᙉ ࡋ ࡚ ࠸ ࡿ ஦ ࢆ ☜ ㄆ ࡋ ࡓ ࠋ

2) CBR1 DNA ᑟ ධ ⣽ ⬊ ࠊCBR1 si RNA ᑟ ධ ⣽ ⬊ ࠊ ࢥ ࣥ ࢺ ࣟ ࣮ ࣝ ⣽ ⬊ ࠿ ࡽ ࡢ ᇵ 㣴 ୖ Ύ ⢭

〇 ᳨ య ࡛ CD63ࡢ Ⓨ ⌧ ࢆ ㄆ ࡵ ࡓ ࡓ ࡵ ࠊ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡀ ⢭ 〇 ࡉ ࢀ ࡓ ࡇ ࡜ ࢆ ☜ ㄆ ࡛ ࡁ ࡓ ࠋ ࡉ ࡽ ࡟ ࠊCBR1 DNAᑟ ධ ⣽ ⬊ ࠿ ࡽ ⢭ 〇 ࡋ ࡓ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡛ ࠊ௚ ࡢ 㸰 ✀ 㢮 ࡜ ẚ ㍑ ࡋ ࡚ ࠊ CBR1 ࡢ Ⓨ ⌧ ࡀ ቑ ᙉ ࡋ ࡚ ࠸ ࡿ ࡇ ࡜ ࢆ ☜ ㄆ ࡋ ࡓ ࠋ

3) CBR1 DNA ᑟ ධ ⣽ ⬊ ࠿ ࡽ ⢭ 〇 ࡋ ࡓ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࢆ ῧ ຍ ࡋ ࡓ ༸ ᕢ ⒴ ⣽ ⬊ ᰴ ࡢ ቑ Ṫ ࡣ ࠊ CBR1 Ⓨ ⌧ ࢆ ῶ ᑡ ࡉ ࡏ ࡓ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࢆ ῧ ຍ ࡋ ࡓ ⣽ ⬊ ࡢ ቑ Ṫ ࡟ ẚ ࡭ ࡚ ᭷ ព ࡟ ᢚ ไ ࡉ

ࢀ ࡓ ࠋ

࠙ ⪃ ᐹ ࠚ

(2)

CBR1 ࡀ ༸ ᕢ ⒴ ࡢ ቑ Ṫ ࠊ ㌿ ⛣ ࡟ 㛵 ୚ ࡍ ࡿ ࡇ ࡜ ࡣ ࠊ ᙜ ᩍ ᐊ ࡢ ඛ ⾜ ◊ ✲ ࡛ ♧ ࡉ ࢀ ࡚ ࠸ ࡿ ࠋ DNAࡢ ᑟ ධ ࡣ ࠊࢺ ࣛ ࣥ ࢫ ࣇ ࢙ ࢡ ࢩ ࣙ ࣥ ヨ ⸆ ࡢ ౑ ⏝ ࠊ࢚ ࣞ ࢡ ࢺ ࣟ ࣏ ࣞ ࣮ ࢩ ࣙ ࣥ ἲ ࠊ࢘ ࢖ ࣝ ࢫ ࣋ ࢡ ࢱ ࣮ ࡢ ⣽ ⬊ ෆ ࡬ ࡢ ᑟ ධ ࡞ ࡝ ࡢ ᪉ ἲ ࡀ ࠶ ࡿ ࡀ ࠊࡇ ࢀ ࡽ ࡢ ᢏ ⾡ ࡣ ⮫ ᗋ ࡛ ࡢ ౑ ⏝ ࡣ ᅔ 㞴

࡛ ࠶ ࡿ ࠋ ᡃ ࠎ ࡣ DDS࡜ ࡋ ࡚ CBR1 DNA-ࢹ ࣥ ࢻ ࣜ ࣐ ࣮ 」 ྜ య ࢆ ༸ ᕢ ⒴ ࡢ ⭡ ⭷ ᧛ ✀ ࣐ ࢘ ࢫ

࡟ ⭡ ⭍ ෆ ࡟ ᢞ ୚ ࡍ ࡿ ࡇ ࡜ ࡛ ࠊ⏕ Ꮡ ᮇ 㛫 ࡀ ᭷ ព ࡟ 㛗 ࡃ ࡞ ࡿ ࡇ ࡜ ࢆ ♧ ࡋ ࡓ ࡶ ࡢ ࡢ ࢹ ࣥ ࢻ ࣜ ࣐

࣮ ࡢ ே య ࡬ ࡢ ᢞ ୚ ࡢ Ᏻ ඲ ᛶ ࡣ ᮍ ▱ ࡛ ࠶ ࡿ ࠋ

ᮏ ◊ ✲ ࡣ ᪂ ࡓ ࡞ DDS࡜ ࡋ ࡚ ⏕ య ෆ ࠿ ࡽ ⢭ 〇 ྍ ⬟ ࡞ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡟ ╔ ┠ ࡋ ࡓ ࠋ ᭱ ㏆ ࡢ

◊ ✲ ࡛ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡣ mRNA࡜ microRNA (miRNA)ࡢ ୧ ᪉ ࢆ ྵ ࢇ ࡛ ࠸ ࡿ ࡇ ࡜ ࡀ ࢃ ࠿ ࡗ ࡚

࠸ ࡿ ࠋ ࡲ ࡓ ࠊ ู ࡢ ⣽ ⬊ ࡟ ⛣ ⾜ ࡋ ࡚ ᪂ ࡋ ࠸ ⎔ ቃ ࡛ ᶵ ⬟ ࡍ ࡿ ࡇ ࡜ ࡀ ࡛ ࡁ ࠊ ศ Ἢ ⣽ ⬊ ࡢ ≧ ែ ࡟

ࡼ ࡗ ࡚ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡢ ᶵ ⬟ ࡀ ኚ ໬ ࡍ ࡿ ࡇ ࡜ ࡀ ♧ ࡉ ࢀ ࡚ ࠸ ࡿ ࠋ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡣ ᚠ ⎔ ୰ ࡛ Ᏻ ᐃ ࡛ ࠶ ࡾ ࠊච ␿ ᣄ ⤯ ཯ ᛂ ࢆ ㉳ ࡇ ࡉ ࡞ ࠸ ࡇ ࡜ ࠿ ࡽ ࠊDDS࡜ ࡋ ࡚ ἞ ⒪ ࡬ ࡢ ᛂ ⏝ ࡀ ᮇ ᚅ ࡉ ࢀ ࡚

࠸ ࡿ ࠋ ࢼ ࣀ ࢸ ࢡ ࣀ ࣟ ࢪ ࣮ ࡢ 㐍 Ṍ ࡟ ࡼ ࡾ ࠊ ໬ Ꮫ ⒪ ἲ ⸆ ࠊ ప ศ Ꮚ ࠊmiRNAࠊsiRNA ࡞ ࡝ ࡢ ἞

⒪ ⸆ ࢆ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡟ ࢝ ࣉ ࢭ ࣝ ໬ ࡍ ࡿ ࡇ ࡜ ࡀ ྍ ⬟ ࡜ ࡞ ࡗ ࡓ ࠋ ༸ ᕢ ⒴ ࡛ ࡣ ࠊ ⬡ ⫫ 㛫 ⴥ ⣔ ᖿ

⣽ ⬊ ⏤ ᮶ ࡢ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡀ ࠊ ⣽ ⬊ ࿘ ᮇ ࢆ 㜼 ᐖ ࡋ ࠊ ࣑ ࢺ ࢥ ࣥ ࢻ ࣜ ࢔ ࢆ ௓ ࡋ ࡓ ࢔ ࣏ ࢺ ࣮ ࢩ ࢫ ࢩ ࢢ ࢼ ࣝ ࢆ ά ᛶ ໬ ࡍ ࡿ ࡇ ࡜ ࡛ ࠊA2780ࣄ ࢺ ༸ ᕢ ⒴ ⣽ ⬊ ࡢ ⣽ ⬊ ቑ Ṫ ࢆ ᢚ ไ ࡋ ࡚ ࠾ ࡾ ࠊ ࡇ ࡢ ᢚ ไ ⤒ ㊰ ࡟ ࠾ ࡅ ࡿ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡢ miRNA ࡢ 㔜 せ ᛶ ࡀ ♧ ၀ ࡉ ࢀ ࡚ ࠸ ࡿ ࠋ௒ ᅇ ࡢ ◊ ✲ ࡛ ࡣ ࠊ

࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡀ CBR1 DNAࢆ ༸ ᕢ ⒴ ⣽ ⬊ ෆ ࡟ 㐠 ࡪ ྍ ⬟ ᛶ ࡀ ♧ ࡉ ࢀ ࠊ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡜ CBR1 DNAࢆ ⤌ ࡳ ྜ ࢃ ࡏ ࡓ 㑇 ఏ Ꮚ ἞ ⒪ ࡀ ⒴ ᛶ ⭡ ⭷ ⅖ ࢆ క ࠺ 㐍 ⾜ ༸ ᕢ ⒴ ࡟ ᑐ ࡋ ࡚ ⮫ ᗋ ⓗ ࡟ ᛂ ⏝ ࡉ ࢀ ࡿ ྍ ⬟ ᛶ ࡀ ♧ ၀ ࡉ ࢀ ࡓ ࠋ

࠙ ⤖ ㄽ ࠚ

௒ ᅇ ࡢ in vitroᐇ 㦂 ࡛ ࡣ ࠊCBR1ࢆ 㐣 ๫ Ⓨ ⌧ ࡉ ࡏ ࡓ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࢆ స ᡂ ࡋ ࠊࡑ ࡢ ᢞ ୚ ࡟

ࡼ ࡾ ༸ ᕢ ⒴ ⣽ ⬊ ࡢ ቑ Ṫ ࢆ ᢚ ไ ࡍ ࡿ ࡇ ࡜ ࡟ ᡂ ຌ ࡋ ࡓ ࠋ ࡇ ࡢ ⤖ ᯝ ࡣ ࠊ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࡀ 㑇 ఏ Ꮚ ᑟ ධ ࡢ ᭷ ⏝ ࡞ ࢶ ࣮ ࣝ ࡛ ࠶ ࡿ ࡇ ࡜ ࢆ ♧ ၀ ࡋ ࡚ ࠾ ࡾ ࠊCBR1 DNA ࡜ ࢚ ࢡ ࢯ ࢯ ࣮ ࣒ ࢆ ⤌ ࡳ ྜ ࢃ ࡏ ࡓ 㑇 ఏ Ꮚ ἞ ⒪ ࡀ 㐍 ⾜ ࣭ ෌ Ⓨ ༸ ᕢ ⒴ ࡢ ἞ ⒪ ᡓ ␎ ࡜ ࡋ ࡚ ᭷ ᮃ ࡛ ࠶ ࡿ ࡇ ࡜ ࢆ ♧ ၀ ࡋ ࡚ ࠸ ࡿ ࠋ

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