JP2023521531A - 組換えヒトxvii型コラーゲン、調製方法、及び使用 - Google Patents
組換えヒトxvii型コラーゲン、調製方法、及び使用 Download PDFInfo
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Abstract
Description
Aは、配列番号2に示すアミノ酸配列又は配列番号2に基づいてある程度アミノ酸交換、挿入、置換、付加、欠失などにより修飾されたアミノ酸配列又は配列番号2アミノ酸配列と80%を超える相同性を有するアミノ酸配列であり、ここで、nは1以上の整数であり、ここで、各Aは同じ又は異なるものであり、Aを基本単位としてタンデムで繰り返し、同じ又は異なる各Aのそれぞれは、ペプチド結合によって直接ライゲーションされている。
エンジニアリングバクテリアの培養とスクリーニング
大規模な高密度発酵、培養、及びタンパク質の精製
(1)組換えヒトXVII型コラーゲンアミノ酸配列の設計
配列番号1:
MDVTKKNKRDGTEVTERIVTETVTTRLTSLPPKGGTSNGYAKTASLGGGSRLEKQSLTHGSSGYINSTGSTRGHASTSSYRRAHSPASTLPNSPGSTFERKTHVTRHAYEGSSSGNSSPEYPRKEFASSSTRGRSQTRESEIRVRLQSASPSTRWTELDDVKRLLKGSRSASVSPTRNSSNTLPIPKKGTVETKIVTASSQSVSGTYDATILDANLPSHVWSSTLPAGSSMGTYHNNMTTQSSSLLNTNAYSAGSVFGVPNNMASCSPTLHPGLSTSSSVFGMQNNLAPSLTTLSHGTTTTSTAYGVKKNMPQSPAAVNTGVSTSAACTTSVQSDDLLHKDCKFLILEKDNTPAKKEMELLIMTKDSGKVFTASPASIAATSFSEDTLKKEKQAAYNADSGLKAEANGDLKTVSTKGKTTTADIHSYGSSGGGGSGGGGGVGGAGGGPWGPAPAWCPCGSCCSWWKWLLGLLLTWLLLLGLLFGLIALAEEVRKLKARVDELERIRRSILPYGDSMDRIEKDRLQGMAPAAGADLDKIGLHSDSQEELWMFVRKKLMMEQENGNLRGSPGPKGDMGSPGPKGDRGFPGTPGIPGPLGHPGPQGPKGQKGSVGDPGMEGPMGQRGREGPMGPRGEAGPPGSGEKGERGAAGEPGPHGPPGVPGSVGPKGSSGSPGPQGPPGPVGLQGLRGEVGLPGVKGDKGPMGPPGPKGDQGEKGPRGLTGEPGMRGLPGAVGEPGAKGAMGPAGPDGHQGPRGEQGLTGMPGIRGPPGPSGDPGKPGLTGPQGPQGLPGTPGRPGIKGEPGAPGKIVTSEGSSMLTVPGPPGPPGAMGPPGPPGAPGPAGPAGLPGHQEVLNLQGPPGPPGPRGPPGPSIPGPPGPRGPPGEGLPGPPGPPGSFLSNSETFLSGPPGPPGPPGPKGDQGPPGPRGHQGEQGLPGFSTSGSSSFGLNLQGPPGPPGPQGPKGDKGDPGVPGALGIPSGPSEGGSSSTMYVSGPPGPPGPPGPPGSISSSGQEIQQYISEYMQSDSIRSYLSGVQGPPGPPGPPGPVTTITGETFDYSELASHVVSYLRTSGYGVSLFSSSISSEDILAVLQRDDVRQYLRQYLMGPRGPPGPPGASGDGSLLSLDYAELSSRILSYMSSSGISIGLPGPPGPPGLPGTSYEELLSLLRGSEFRGIVGPPGPPGPPGIPGNVWSSISVEDLSSYLHTAGLSFIPGPPGPPGPPGPRGPPGVSGALATYAAENSDSFRSELISYLTSPDVRSFIVGPPGPPGPQGPPGDSRLLSTDASHSRGSSSSSHSSSVRRGSSYSSSMSTGGGGAGSLGAGGAFGEAAGDRGPYGTDIGPGGGYGAAAEGGMYAGNGGLLGADFAGDLDYNELAVRVSESMQRQGLLQGMAYTVQGPPGQPGPQGPPGISKVFSAYSNVTADLMDFFQTYGAIQGPPGQKGEMGTPGPKGDRGPAGPPGHPGPPGPRGHKGEKGDKGDQVYAGRRRRRSIAVKP
GSPGPKGDMGSPGPKGDRGFPGTPGIPGPLGHPGPQGPKGQKGSVGDPGMEGPGEKGERGAAGEPGPHGPPGVPGSVGPKGSSGSPGPQGPPGPVGLQGLRGEVGLPGVKGDKGPMGPPGPKGDQGEKGPPGPPGPPGPKGDQGPPGPRGHQGEQGLPGFSGPPGPPGPQGPKGDKGDPGVPGALGIPGPPGQKGEMGTPGPKGDRGPAGPPGHPGPPGPRGHKGEKGDKGDQ
GGTTCTCCTGGTCCAAAAGGTGACATGGGTTCTCCAGGTCCTAAAGGTGACAGAGGTTTTCCTGGTACTCCAGGTATTCCTGGTCCATTGGGTCATCCAGGTCCTCAAGGTCCAAAAGGTCAAAAGGGTTCTGTTGGTGACCCTGGTATGGAAGGTCCAGGTGAAAAGGGTGAAAGAGGTGCTGCTGGTGAACCTGGTCCACACGGTCCACCTGGTGTTCCAGGTTCTGTTGGTCCTAAGGGTTCTTCTGGTTCTCCTGGTCCACAAGGTCCTCCTGGTCCAGTTGGTTTGCAAGGTTTGAGAGGTGAAGTTGGTTTGCCAGGTGTTAAGGGTGACAAGGGTCCAATGGGTCCTCCAGGTCCAAAAGGTGACCAAGGTGAAAAGGGTCCACCTGGTCCTCCTGGTCCACCTGGTCCAAAGGGTGACCAAGGTCCTCCAGGTCCTAGAGGTCATCAAGGTGAACAAGGTTTGCCTGGTTTTTCTGGTCCACCAGGTCCTCCAGGTCCACAAGGTCCTAAAGGTGACAAAGGTGACCCAGGTGTTCCTGGTGCTTTGGGTATTCCAGGTCCACCTGGTCAAAAAGGTGAAATGGGTACTCCAGGTCCTAAGGGTGACAGAGGTCCAGCTGGTCCACCTGGTCATCCTGGTCCACCAGGTCCAAGAGGTCATAAGGGTGAAAAAGGTGACAAGGGTGACCAA
GSPGPKGDMGSPGPKGDRGFPGTPGIPGPLGHPGPQGPKGQKGSVGDPGMEGPGEKGERGAAGEPGPHGPPGVPGSVGPKGSSGSPGPQGPPGPVGLQGLRGEVGLPGVKGDKGPMGPPGPKGDQGEKGPPGPPGPPGPKGDQGPPGPRGHQGEQGLPGFSGPPGPPGPQGPKGDKGDPGVPGALGIPGPPGQKGEMGTPGPKGDRGPAGPPGHPGPPGPRGHKGEKGDKGDQGSPGPKGDMGSPGPKGDRGFPGTPGIPGPLGHPGPQGPKGQKGSVGDPGMEGPGEKGERGAAGEPGPHGPPGVPGSVGPKGSSGSPGPQGPPGPVGLQGLRGEVGLPGVKGDKGPMGPPGPKGDQGEKGPPGPPGPPGPKGDQGPPGPRGHQGEQGLPGFSGPPGPPGPQGPKGDKGDPGVPGALGIPGPPGQKGEMGTPGPKGDRGPAGPPGHPGPPGPRGHKGEKGDKGDQ
GGTTCTCCAGGTCCTAAAGGTGACATGGGTTCTCCAGGTCCTAAGGGTGACAGAGGTTTTCCAGGTACTCCAGGTATTCCAGGTCCTTTGGGTCATCCAGGTCCTCAAGGTCCTAAAGGTCAAAAAGGTTCTGTTGGTGACCCTGGTATGGAAGGTCCTGGTGAAAAAGGTGAAAGAGGTGCTGCTGGTGAACCTGGTCCACACGGTCCTCCAGGTGTTCCTGGTTCTGTTGGTCCAAAAGGTTCTTCTGGTTCTCCTGGTCCACAAGGTCCTCCAGGTCCTGTTGGTTTGCAAGGTTTGAGAGGTGAAGTTGGTTTGCCAGGTGTTAAAGGTGACAAAGGTCCAATGGGTCCTCCAGGTCCAAAGGGTGACCAAGGTGAAAAAGGTCCACCTGGTCCTCCTGGTCCACCAGGTCCAAAAGGTGACCAAGGTCCACCTGGTCCAAGAGGTCACCAAGGTGAACAAGGTTTGCCTGGTTTTTCTGGTCCTCCAGGTCCTCCTGGTCCTCAAGGTCCAAAGGGTGACAAGGGTGACCCTGGTGTTCCAGGTGCTTTGGGTATTCCTGGTCCTCCAGGTCAAAAGGGTGAGATGGGTACTCCTGGTCCTAAGGGTGACAGAGGTCCAGCTGGTCCTCCTGGTCACCCAGGTCCTCCTGGTCCTAGAGGTCATAAAGGTGAAAAAGGTGACAAGGGTGACCAAGGTTCTCCAGGTCCAAAGGGTGACATGGGTTCTCCTGGTCCAAAAGGTGACAGAGGTTTCCCTGGTACTCCAGGTATTCCTGGTCCATTGGGTCACCCAGGTCCACAAGGTCCAAAAGGTCAAAAAGGTTCTGTTGGTGACCCAGGTATGGAAGGTCCAGGTGAAAAGGGTGAAAGAGGTGCTGCTGGTGAACCAGGTCCTCATGGTCCACCAGGTGTTCCAGGTTCTGTTGGTCCAAAGGGTTCTTCTGGTTCTCCAGGTCCACAAGGTCCTCCAGGTCCAGTTGGTTTGCAAGGTTTGAGAGGTGAAGTTGGTTTGCCTGGTGTTAAGGGTGACAAAGGTCCTATGGGTCCTCCTGGTCCTAAAGGTGACCAAGGTGAAAAGGGTCCACCAGGTCCTCCAGGTCCACCTGGTCCAAAAGGTGACCAAGGTCCACCAGGTCCTAGAGGTCATCAAGGTGAACAAGGTTTGCCAGGTTTTTCTGGTCCACCAGGTCCACCAGGTCCTCAAGGTCCTAAGGGTGACAAAGGTGACCCAGGTGTTCCTGGTGCTTTGGGTATTCCTGGTCCACCTGGTCAAAAGGGTGAAATGGGTACTCCTGGTCCTAAAGGTGACAGAGGTCCTGCTGGTCCACCTGGTCATCCAGGTCCACCTGGTCCAAGAGGTCACAAAGGTGAAAAGGGTGACAAGGGTGACCAA
YVWSHPQFEKGSPGPKGDMGSPGPKGDRGFPGTPGIPGPLGHPGPQGPKGQKGSVGDPGMEGPGEKGERGAAGEPGPHGPPGVPGSVGPKGSSGSPGPQGPPGPVGLQGLRGEVGLPGVKGDKGPMGPPGPKGDQGEKGPPGPPGPPGPKGDQGPPGPRGHQGEQGLPGFSGPPGPPGPQGPKGDKGDPGVPGALGIPGPPGQKGEMGTPGPKGDRGPAGPPGHPGPPGPRGHKGEKGDKGDQHHHHHH
TACGTATGGTCTCATCCACAATTCGAGAAGGGTTCTCCTGGTCCAAAAGGTGACATGGGTTCTCCAGGTCCTAAAGGTGACAGAGGTTTTCCTGGTACTCCAGGTATTCCTGGTCCATTGGGTCATCCAGGTCCTCAAGGTCCAAAAGGTCAAAAGGGTTCTGTTGGTGACCCTGGTATGGAAGGTCCAGGTGAAAAGGGTGAAAGAGGTGCTGCTGGTGAACCTGGTCCACACGGTCCACCTGGTGTTCCAGGTTCTGTTGGTCCTAAGGGTTCTTCTGGTTCTCCTGGTCCACAAGGTCCTCCTGGTCCAGTTGGTTTGCAAGGTTTGAGAGGTGAAGTTGGTTTGCCAGGTGTTAAGGGTGACAAGGGTCCAATGGGTCCTCCAGGTCCAAAAGGTGACCAAGGTGAAAAGGGTCCACCTGGTCCTCCTGGTCCACCTGGTCCAAAGGGTGACCAAGGTCCTCCAGGTCCTAGAGGTCATCAAGGTGAACAAGGTTTGCCTGGTTTTTCTGGTCCACCAGGTCCTCCAGGTCCACAAGGTCCTAAAGGTGACAAAGGTGACCCAGGTGTTCCTGGTGCTTTGGGTATTCCAGGTCCACCTGGTCAAAAAGGTGAAATGGGTACTCCAGGTCCTAAGGGTGACAGAGGTCCAGCTGGTCCACCTGGTCATCCTGGTCCACCAGGTCCAAGAGGTCATAAGGGTGAAAAAGGTGACAAGGGTGACCAACACCATCATCACCATCATTAAGCGGCCGC
YVWSHPQFEKGSPGPKGDMGSPGPKGDRGFPGTPGIPGPLGHPGPQGPKGQKGSVGDPGMEGPGEKGERGAAGEPGPHGPPGVPGSVGPKGSSGSPGPQGPPGPVGLQGLRGEVGLPGVKGDKGPMGPPGPKGDQGEKGPPGPPGPPGPKGDQGPPGPRGHQGEQGLPGFSGPPGPPGPQGPKGDKGDPGVPGALGIPGPPGQKGEMGTPGPKGDRGPAGPPGHPGPPGPRGHKGEKGDKGDQGSPGPKGDMGSPGPKGDRGFPGTPGIPGPLGHPGPQGPKGQKGSVGDPGMEGPGEKGERGAAGEPGPHGPPGVPGSVGPKGSSGSPGPQGPPGPVGLQGLRGEVGLPGVKGDKGPMGPPGPKGDQGEKGPPGPPGPPGPKGDQGPPGPRGHQGEQGLPGFSGPPGPPGPQGPKGDKGDPGVPGALGIPGPPGQKGEMGTPGPKGDRGPAGPPGHPGPPGPRGHKGEKGDKGDQHHHHHH
TACGTATGGTCTCATCCTCAATTTGAAAAGGGTTCTCCAGGTCCTAAAGGTGACATGGGTTCTCCAGGTCCTAAGGGTGACAGAGGTTTTCCAGGTACTCCAGGTATTCCAGGTCCTTTGGGTCATCCAGGTCCTCAAGGTCCTAAAGGTCAAAAAGGTTCTGTTGGTGACCCTGGTATGGAAGGTCCTGGTGAAAAAGGTGAAAGAGGTGCTGCTGGTGAACCTGGTCCACACGGTCCTCCAGGTGTTCCTGGTTCTGTTGGTCCAAAAGGTTCTTCTGGTTCTCCTGGTCCACAAGGTCCTCCAGGTCCTGTTGGTTTGCAAGGTTTGAGAGGTGAAGTTGGTTTGCCAGGTGTTAAAGGTGACAAAGGTCCAATGGGTCCTCCAGGTCCAAAGGGTGACCAAGGTGAAAAAGGTCCACCTGGTCCTCCTGGTCCACCAGGTCCAAAAGGTGACCAAGGTCCACCTGGTCCAAGAGGTCACCAAGGTGAACAAGGTTTGCCTGGTTTTTCTGGTCCTCCAGGTCCTCCTGGTCCTCAAGGTCCAAAGGGTGACAAGGGTGACCCTGGTGTTCCAGGTGCTTTGGGTATTCCTGGTCCTCCAGGTCAAAAGGGTGAGATGGGTACTCCTGGTCCTAAGGGTGACAGAGGTCCAGCTGGTCCTCCTGGTCACCCAGGTCCTCCTGGTCCTAGAGGTCATAAAGGTGAAAAAGGTGACAAGGGTGACCAAGGTTCTCCAGGTCCAAAGGGTGACATGGGTTCTCCTGGTCCAAAAGGTGACAGAGGTTTCCCTGGTACTCCAGGTATTCCTGGTCCATTGGGTCACCCAGGTCCACAAGGTCCAAAAGGTCAAAAAGGTTCTGTTGGTGACCCAGGTATGGAAGGTCCAGGTGAAAAGGGTGAAAGAGGTGCTGCTGGTGAACCAGGTCCTCATGGTCCACCAGGTGTTCCAGGTTCTGTTGGTCCAAAGGGTTCTTCTGGTTCTCCAGGTCCACAAGGTCCTCCAGGTCCAGTTGGTTTGCAAGGTTTGAGAGGTGAAGTTGGTTTGCCTGGTGTTAAGGGTGACAAAGGTCCTATGGGTCCTCCTGGTCCTAAAGGTGACCAAGGTGAAAAGGGTCCACCAGGTCCTCCAGGTCCACCTGGTCCAAAAGGTGACCAAGGTCCACCAGGTCCTAGAGGTCATCAAGGTGAACAAGGTTTGCCAGGTTTTTCTGGTCCACCAGGTCCACCAGGTCCTCAAGGTCCTAAGGGTGACAAAGGTGACCCAGGTGTTCCTGGTGCTTTGGGTATTCCTGGTCCACCTGGTCAAAAGGGTGAAATGGGTACTCCTGGTCCTAAAGGTGACAGAGGTCCTGCTGGTCCACCTGGTCATCCAGGTCCACCTGGTCCAAGAGGTCACAAAGGTGAAAAGGGTGACAAGGGTGACCAACACCATCACCATCATCATTAAGCGGCCGC
GAATTCTGGAGTCATCCTCAATTCGAAAAAATGGATGTCACTAAAAAGAACAAGAGAGACGGAACTGAGGTCACTGAGAGAATCGTTACCGAAACTGTCACCACAAGACTTACTTCATTACCTCCAAAGGGTGGAACTTCTAATGGTTACGCAAAGACAGCATCATTAGGAGGTGGTTCAAGACTTGAGAAACAATCCCTTACTCATGGTTCAAGTGGATACATAAATTCAACTGGTTCAACAAGAGGACATGCAAGTACTTCTTCTTATAGAAGAGCACATAGTCCAGCATCAACTTTGCCCAACTCTCCTGGTTCAACATTTGAGAGAAAAACTCATGTAACCAGACATGCCTATGAGGGTTCTAGTTCTGGTAATTCATCTCCAGAATACCCTAGAAAAGAGTTTGCATCATCCTCAACTAGAGGTAGATCACAGACTAGAGAATCTGAAATCAGAGTCAGATTACAATCAGCATCTCCTTCAACTAGATGGACTGAGTTAGACGACGTGAAAAGATTATTAAAGGGATCAAGAAGTGCAAGTGTTTCCCCTACAAGAAATTCTTCCAACACCCTTCCCATTCCTAAGAAAGGAACCGTTGAAACTAAAATCGTTACAGCATCATCTCAGTCTGTATCCGGAACCTACGACGCTACCATTCTGGACGCCAACTTACCTTCTCATGTCTGGTCTTCAACTTTACCCGCAGGTTCCTCAATGGGAACTTACCACAATAACATGACTACTCAATCAAGTTCTCTTCTGAATACCAATGCATACTCAGCCGGTTCCGTTTTTGGAGTCCCTAACAATATGGCCTCTTGCTCCCCAACTCTTCATCCAGGTCTTTCAACCTCATCAAGTGTATTTGGTATGCAGAACAACTTAGCCCCTTCCTTGACAACCCTGTCTCATGGTACTACTACCACTAGTACAGCATATGGAGTCAAGAAGAACATGCCACAGTCACCTGCTGCCGTTAACACTGGAGTTTCAACATCTGCTGCCTGCACTACATCTGTTCAATCAGATGATCTTCTGCATAAGGACTGCAAGTTTTTAATTTTAGAGAAAGACAATACCCCTGCCAAAAAGGAAATGGAGTTACTTATAATGACCAAAGATTCTGGTAAAGTATTCACTGCTTCTCCCGCTAGTATCGCCGCAACTTCATTCTCTGAAGATACTTTAAAGAAGGAAAAACAAGCCGCATACAACGCAGACTCAGGTTTAAAAGCAGAAGCAAACGGTGACCTTAAAACAGTGTCAACTAAGGGAAAGACTACAACCGCAGACATCCATTCATATGGTTCTTCAGGTGGAGGAGGATCTGGAGGAGGTGGTGGAGTGGGAGGTGCTGGAGGAGGTCCATGGGGTCCTGCACCTGCATGGTGCCCTTGCGGTTCTTGCTGCAGTTGGTGGAAGTGGCTTCTGGGTTTATTATTAACTTGGCTGCTTTTACTGGGTCTTTTATTCGGTCTTATCGCATTAGCAGAAGAGGTCAGAAAACTTAAGGCCAGAGTTGATGAGTTAGAGAGAATCAGAAGATCAATCCTTCCCTATGGAGACTCCATGGACAGAATCGAAAAGGATAGACTTCAGGGTATGGCCCCTGCAGCAGGAGCTGATCTGGATAAAATCGGACTTCATTCAGATTCTCAAGAGGAATTATGGATGTTTGTTAGAAAGAAACTTATGATGGAGCAGGAGAACGGTAACCTGAGAGGTTCTCCTGGTCCAAAAGGAGATATGGGTTCACCCGGTCCCAAAGGAGATAGAGGATTCCCTGGTACTCCAGGTATCCCCGGTCCCCTGGGTCACCCTGGACCTCAAGGTCCTAAAGGTCAAAAGGGTTCTGTAGGAGATCCAGGTATGGAGGGTCCCATGGGTCAGAGAGGTAGAGAAGGTCCCATGGGACCAAGAGGTGAAGCTGGACCTCCCGGAAGTGGTGAAAAAGGAGAAAGAGGAGCAGCAGGAGAACCTGGACCCCATGGACCTCCAGGAGTTCCTGGATCAGTCGGACCCAAAGGTTCATCCGGTTCTCCTGGACCTCAAGGTCCACCAGGACCCGTCGGATTGCAAGGATTGAGAGGAGAAGTTGGACTTCCCGGAGTTAAGGGTGACAAGGGTCCTATGGGTCCTCCTGGTCCAAAGGGAGATCAGGGTGAAAAGGGTCCTAGAGGTCTGACTGGTGAACCAGGAATGAGAGGACTTCCCGGTGCCGTGGGTGAACCCGGTGCAAAAGGAGCAATGGGTCCTGCCGGTCCTGATGGACACCAGGGACCCAGAGGAGAGCAGGGATTAACAGGAATGCCTGGTATCAGAGGTCCCCCAGGTCCCTCAGGAGACCCAGGAAAGCCAGGACTTACTGGTCCCCAGGGTCCTCAAGGTCTGCCTGGAACTCCCGGAAGACCCGGAATCAAAGGTGAACCAGGAGCCCCAGGAAAAATCGTTACTAGTGAAGGATCTTCAATGCTGACTGTGCCAGGTCCACCTGGTCCTCCTGGAGCTATGGGTCCTCCCGGTCCCCCTGGAGCACCCGGTCCTGCAGGTCCTGCCGGATTACCTGGACATCAGGAAGTCTTAAACCTGCAAGGTCCACCAGGTCCTCCTGGTCCAAGAGGACCCCCTGGTCCTTCAATCCCTGGTCCACCTGGACCTAGAGGTCCACCCGGAGAGGGACTTCCCGGACCACCAGGACCTCCTGGATCATTTCTGTCTAATTCTGAGACATTTCTTTCAGGACCTCCTGGTCCTCCCGGACCACCTGGACCAAAAGGAGATCAGGGACCACCTGGTCCCAGAGGACATCAAGGAGAGCAGGGTCTTCCAGGTTTCTCTACTTCTGGATCATCATCATTTGGTCTTAATCTTCAAGGTCCTCCTGGACCCCCAGGACCACAGGGACCCAAGGGTGACAAGGGAGACCCTGGAGTCCCAGGTGCACTGGGAATCCCTTCAGGTCCTTCAGAAGGTGGTTCATCTTCAACCATGTATGTGTCTGGACCCCCAGGACCTCCCGGACCTCCAGGTCCTCCTGGTTCAATCTCTTCTTCTGGTCAAGAAATTCAGCAGTATATTTCTGAGTACATGCAATCTGACTCTATTAGAAGTTATTTGTCTGGTGTGCAGGGTCCACCAGGTCCTCCAGGTCCCCCTGGACCAGTCACTACTATCACTGGAGAGACATTTGATTATAGTGAATTAGCATCACACGTCGTTTCTTATCTGAGAACTTCAGGTTATGGTGTTTCATTATTTTCCTCCTCAATCTCTTCAGAAGACATCTTAGCCGTACTGCAGAGAGATGATGTAAGACAGTACCTTAGACAATACTTGATGGGTCCAAGAGGACCACCAGGTCCACCCGGTGCATCAGGAGACGGATCATTATTATCTTTGGATTACGCTGAATTATCATCAAGAATCCTTAGTTACATGTCCTCTTCTGGTATCTCCATAGGTCTGCCCGGTCCTCCTGGTCCTCCCGGACTTCCTGGTACTTCTTACGAAGAGCTTCTGTCACTTTTAAGAGGATCTGAGTTTAGAGGTATAGTTGGTCCCCCAGGACCTCCAGGTCCTCCAGGTATCCCAGGTAACGTGTGGTCATCTATCTCAGTTGAGGATCTTTCATCTTATCTTCACACCGCCGGATTGTCCTTTATACCTGGTCCTCCAGGACCCCCTGGACCTCCTGGACCCAGAGGTCCTCCAGGAGTATCCGGTGCTTTAGCAACTTATGCAGCAGAAAACTCCGATTCTTTTAGATCAGAATTGATCTCCTACCTTACTTCTCCTGATGTTAGATCATTCATCGTCGGACCTCCAGGACCACCTGGACCTCAAGGACCTCCTGGAGATTCAAGATTACTGAGTACAGATGCATCACATTCAAGAGGTTCAAGTTCTTCTTCTCACTCCTCTTCTGTTAGAAGAGGATCATCATATTCATCAAGTATGTCAACTGGTGGAGGAGGAGCTGGTTCATTGGGTGCCGGAGGTGCATTTGGTGAGGCCGCTGGTGACAGAGGACCTTATGGTACTGACATTGGACCTGGTGGAGGTTATGGTGCAGCAGCAGAAGGTGGAATGTATGCTGGTAATGGAGGTTTACTGGGAGCCGACTTTGCCGGAGACCTGGACTACAACGAGTTAGCTGTTAGAGTGTCAGAGTCAATGCAGAGACAAGGATTATTACAGGGTATGGCTTATACAGTTCAGGGACCCCCAGGTCAGCCAGGTCCTCAAGGACCCCCTGGTATTTCAAAAGTCTTCTCCGCTTATTCTAACGTTACTGCAGACCTGATGGATTTCTTCCAGACTTACGGTGCCATCCAAGGTCCTCCAGGACAGAAGGGTGAAATGGGAACTCCCGGTCCCAAGGGTGACAGAGGTCCTGCAGGACCTCCTGGTCACCCTGGACCACCTGGACCTAGAGGACACAAAGGTGAGAAGGGTGACAAGGGAGACCAGGTTTACGCAGGAAGAAGAAGAAGAAGAAGTATTGCCGTCAAGCCTCACCATCACCATCATCACTAAGCGGCCGC
工程(3)で得られた組換え発現ベクタープラスミド10μgをSacI(酵素消化キットは、TaKaRa Biotechnology(Dalian)Co.,Ltd.から購入され、具体的な操作はキットの説明書に従って実行される)により37℃で一晩酵素消化して線形化させ、PCR産物精製キット(Biotechnology(Shanghai)Ltd.から購入)を使用して線形化プラスミドを回収し、回収された体積が10μL程度に制御された。
工程(4)において、1.0mg/mLと4mg/mLのG418をそれぞれ含むYPDプレートに単一のコロニーを選別し、10mLのBMGY培地を含む100mLの三角ボトルに入れ、28~30℃、220rpmでOD600が2~6(16~18時間)になるまで培養した。室温で1500~3000gで5分間遠心し、菌体を集めて、OD600が2程度になるまで菌体をBMMY培地に再懸濁し、28~30℃、220のrpmのシェーカー上に置いて3日間増殖させ、24時間ごとに培地に最終濃度が1.0%になるまで100%のメタノールを添加した。各時点(24時間以上、必要に応じて24時間、48時間、72時間、96時間でサンプリング)で菌液サンプルを採取し、サンプリング量は1mLであり、1.5mLのEPチュープに入れ、最大回転速度で2~3分間遠心して発現上清と菌体を収集した。菌体をガラス株(Sangon Biotech(Shanghai)Co.,Ltd.から購入)の破壊法により溶解し、溶解バッファー(1mMのPMSF、10mMのTris、pH7.4)、4℃、12000gで5分間遠心し、細胞内の溶解上清を採取し、8Mの尿素を加えて振とうして沈殿を溶解させ、標的タンパクの発現量と菌液の最佳採取時点を分析した。検出されるサンプルは、後で使用するために-80℃で保存された。
図4のSDS-PAGE結果図に示されるように、発現上清には予想される標的バンドが見られなかった(その見かけ分子量は約180kDaである)。
図6は、24時間誘導した後、170801、170802コラーゲンのエンジニアリングバクテリアの発現上清のSDS-PAGE結果であり、図6に示されるように、170801、170802コラーゲンは、24時間誘導発現しただけで細胞外の培養上清に効率的に分泌して発現され、170801の見かけ分子量は約30kDaであり、170802の見かけ分子量は約52kDaである。
(1)パイロット発酵
構築されたpPIC9K-170801、pPIC9K-170802をそれぞれ含むエンジニアリングバクテリアを50L~500Lのリンケージパイロット発酵に供して、組換えヒトXVII型コラーゲンを含む発酵液を得て、組換えヒトXVII型コラーゲン170801、170802の大規模な発現生産を実現した。
本実施例で使用されるバッファーは、次の通りである。
バッファーA:20mMのKH2PO4、pH値は4.0である。
バッファーB:20mMのKH2PO4、1MのNaCl、pH値は4.0である。
得られたエンジニアリングバクテリアの発酵液を収集し、セラミック膜分離システム(Jiangsu Jiuwu Hi-Tech Co.,Ltd、JWCMF-9)を用いて菌体と発酵上清を分離した。A215の吸光値と電導率値が変わらなくなるまで、カチオン交換媒体をバッファーAで平衡化した(クロマトグラフィーパッキングは、Suzhou Nanomicro Technology Co.,Ltd.製のUniGel-80spであり、Jiangsu Hanbon Science & Technology Co.,Ltd.製の自動クロマトグラフィーシステムにロードされる)後で、サンプルローディングの流速は100us/cmであり、サンプルローディングの容量は20L/回であり、検出した紫外線A215の吸光値が上がる時に、流出物を受け取り始めた。サンプルローディングが終わったら、サンプルの受け取りを閉じ、カチオンクロマトグラフィー媒体をバッファーAで平衡化し、A215の吸光値が低下した時に、紫外線と電気伝導が最小になるまでサンプルの受け取りを開き、サンプルの受け取りを停止した。500mMと1Mの塩化ナトリウムでそれぞれ溶出し、溶出液を収集し、500mMの溶出液と1Mの溶出液の画分における精製タンパクの状態をそれぞれ検出し、画分を決定した後、透析し(透析液は超純水である)、濃縮して冷凍結乾燥燥させ、凍結乾燥したコラーゲンスポンジを収集した。
分子量の測定:
得られた170801、170802タンパクの理論的に予測された分子量は、それぞれ23.8kDa、45.4kDaであり、SDS-PAGEによって検出された見かけ分子量は、理論的に予測された値よりも大きかった。組換えヒトXVII型コラーゲン170801、170802タンパクを精製して得られた凍結乾燥品をマトリックス支援レーザー脱離イオン化飛行時間型質量分析(AB SCIEX 5800 MALDI-TOF/TOF)でその相対分子量を検出し、タンパクの実際分子量を判断し、Sangon Biotech(Shanghai)Co.,Ltd.に依頼して検出された結果は、図15、図16に示されるように、MALDI-TOF MS(電荷数+1)で検出された170801コラーゲンの分子量は23811.6797Da(理論値は23800Da)であり、170802コラーゲンの分子量は45689.5781Da(理論値は45400Da)であり、ピキア酵母での発現後の翻訳後修飾及び分子量実験的測定における系統的な誤差のために、実際に発現されたコラーゲンの分子量は理論値と一致している。
コラーゲン基の特徴的な吸収ピークは、赤外スペクトル分析により検出でき、試験では170801、170802コラーゲンを微量採取して精製されて得られた凍結乾燥サンプルは、KBrで粉末に研磨して錠剤化し、室温、4000~400cm-1の範囲内の走査(Thermo Scientific、NicoletTM iSTM 10 FT-IR分光計)、方法及び結果の分析は、Jeong、H.、J.Venkatesan and S. Kim、Isolation and characterization of collagen from marine fish (Thunnus obesus). Biotechnology and Bioprocess Engineering、2013. 18(6): p. 1185-1191.を参照した。
走査型電子顕微鏡(Hitachi TM3030PLUS)を使用して170801、170802コラーゲン凍結乾燥スポンジサンプルの表面を走査した結果、図18に示し、図に見られるように、組換えヒトXVII型コラーゲン170801、170802は、いずれも明らかなラメラ構造を有し、人体でヒトXVII型コラーゲンの基底膜での層状分布と類似し、そのような構造は、生体医学材料の分野に適用できる可能性があることを示している。
組換えコラーゲンの細胞接着活性の検出方法は、文献Juming Yao、Satoshi Yanagisawa、Tetsuo Asakura. Design、Expression and Characterization of Collagen-Like Proteins Based on the Cell Adhesive and Crosslinking Sequences Derived from Native Collagens 、J Biochem .136、643-649(2004)を参照した。常州大学薬学部機能性ナノ材料と生体医学試験実験室に依頼して完成させた。
組換えコラーゲンの細胞遊走活性を検出及び分析するための方法は、文献Bobadilla、A.、et al.、In vitro cell migration quantification method for scratch assays. J R Soc Interface、2019. 16(151): p. 20180709.を参照し、常州大学薬学部機能性ナノ材料と生体医学試験実験室に依頼して完成させた。
ナトリウムカルボキシメチルセルロースを取り、170801、170802コラーゲンの精製凍結乾燥品をそれぞれ取って超純水に溶解し、0.01%の濃度のナトリウムカルボキシメチルセルロース、5%のコラーゲンを得て、0.01%のナトリウムカルボキシメチルセルロースを5%のコラーゲンと均一に混合してコラーゲンゲルを調製し、コラーゲンが含まれないナトリウムカルボキシメチルセルロースゲルを陰性対照とした。
Claims (19)
- コラーゲンのアミノ酸配列は、配列番号2又は配列番号3に示すアミノ酸配列から選択されることを特徴とする、組換えヒトXVII型コラーゲン。
- 前記のコラーゲンのペプチド鎖のアミノ末端とカルボキシ末端は、タンパク質タグが付加されるように設計され、前記のアミノ末端は、Strep-Tag IIタグが付加され、カルボキシ末端は6×His Tagタグが付加されることを特徴とする、請求項1に記載のコラーゲン。
- 前記のコラーゲンは、細胞接着活性、細胞遊走促進活性、組織再生促進、及び毛包修復再生促進の活性を有することを特徴とする、請求項1に記載のコラーゲン。
- 請求項1に記載のコラーゲンをコードするポリヌクレオチド。
- 前記のポリヌクレオチドのヌクレオチド配列は、配列番号6又は配列番号7に示されるヌクレオチド配列から選択されることを特徴とする、請求項4に記載のポリヌクレオチド。
- 請求項4又は5に記載のポリヌクレオチドを含む組換え発現ベクター。
- 請求項6に記載の組換え発現ベクターを含むエンジニアリングバクテリア。
- 前記のエンジニアリングバクテリアは、ピキア酵母であることを特徴とする、請求項7に記載のエンジニアリングバクテリア。
- (1)エンジニアリングバクテリアの培養とスクリーニング:構築されたエンジニアリングバクテリアをスクリーニングした後、発現量の多いエンジニアリングバクテリアをスクリーニングすること、及び
(2)大規模な高密度発酵、培養、及びタンパク質の精製:発酵槽を採用して発酵させ、発酵上清を精製し、高純度のコラーゲンを得ること
が含まれることを特徴とする、請求項1に記載のコラーゲンの調製方法。 - 工程(1)に記載のスクリーニングされる発現量の多いエンジニアリングバクテリアは、ピキアパストリス酵母(Pichia pastoris)であり、寄託番号は、CGMCC No.20626又はCGMCC No. 20627であることを特徴とする、請求項9に記載の方法。
- 請求項1に記載のコラーゲン又は請求項9に記載の方法で調製されたコラーゲンを含む組成物。
- 請求項1に記載のコラーゲン又は請求項9に記載の方法で調製されたコラーゲン又は請求項11に記載の組成物を含み、薬物、医療機器、生体材料、組織工学製品、化粧品又は保健品が含まれる製品。
- 最終製品は、薬物、医療機器、生体材料、組織工学製品、化粧品又は保健品が含まれる、請求項1に記載のコラーゲン、請求項4又は5に記載のポリヌクレオチド、請求項6に記載の組換え発現ベクター、請求項7に記載のエンジニアリングバクテリア又は請求項11に記載の組成物の最終製品を調製ための使用。
- 請求項1に記載のコラーゲン、請求項4又は5に記載のポリヌクレオチド、請求項6に記載の組換え発現ベクター、請求項7に記載のエンジニアリングバクテリア又は請求項11に記載の組成物の瘢痕治癒、組織修復を促進する又は毛包修復を促進する製品を調製するための使用。
- 前記の製品は、外用薬であることを特徴とする、請求項14に記載の使用。
- 前記の製品は、外用塗り薬であることを特徴とする、請求項15に記載の使用。
- 前記の製品は、外用ゲル塗り薬であることを特徴とする、請求項16に記載の用途。
- 請求項6に記載の組換え発現ベクターを含む細胞。
- 前記の細胞は、ピキア酵母であることを特徴とする、請求項18に記載の細胞。
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