JP5680407B2 - 新規x連鎖性筋疾患に関連するfhl1変異 - Google Patents
新規x連鎖性筋疾患に関連するfhl1変異 Download PDFInfo
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Classifications
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- C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
- C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
- C07K14/4701—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals not used
- C07K14/4707—Muscular dystrophy
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- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Description
a)前記タンパク質又はその断片をコードする配列、
b)前記タンパク質又はその断片をコードする配列に相補的な配列、
c)ストリンジェントなハイブリダイゼーション条件下で、前記タンパク質又はその断片をコードする核酸とハイブリッド形成することができる配列、又は
d)a)又はb)に定義される核酸と約70%を超える同一性をもつ配列を含む核酸を提供する。
a)前記対象から生体サンプルを取得する段階、及び、
b)アミノ酸配列VAKKCX1GX2X3NPIT(SEQ ID NO:4)(式中、X2はC以外の任意のアミノ酸であり、X1及びX3は、それぞれ任意のアミノ酸である。)を含む前記タンパク質又はその断片をコードする核酸について、前記サンプルを分析する段階、又は、
c)アミノ酸配列VAKKCX1GX2X3NPIT(SEQ ID NO:4)(式中、X2はC以外の任意のアミノ酸であり、X1及びX3は、それぞれ任意のアミノ酸である。)を含む前記タンパク質又はその断片について、前記サンプルを分析する段階を含む方法を提供する。
i)本願記載の筋疾患に関連するタンパク質又はその断片、
ii)本願記載の筋疾患に関連しない野生型タンパク質よりも、前記筋疾患に関連するタンパク質又はその断片と選択的に結合する抗体、
iii)本願提供のX連鎖性筋疾患に関連する変異を含むタンパク質又はその断片をコードするヌクレオチド配列を増幅するための1つ以上の核酸プライマー、
iv)本願提供のX連鎖性筋疾患に関連する変異を含むタンパク質又はその断片をコードするヌクレオチド配列とハイブリッド形成する、約9〜100ヌクレオチド間の1つ以上の核酸プローブ、
v)これらには限定されないが、バッファ、dATP、dTTP、dCTP、dGTP、又はDNAポリメラーゼを含む1つ以上の試薬、
vi)対象の筋疾患に対するリスクを分析、診断又は決定するための指示事項、
vii)本願記載の成分を使用する、又は本願記載の方法を行うための指示事項。
a)前記対象から生体サンプルを取得する段階、及び、
b)128位におけるイソロイシンの挿入を含むFHL−1タンパク質をコードする核酸について前記サンプルを分析する段階、又は、
c)128位におけるイソロイシンの挿入を含むFHL−1タンパク質について前記サンプルを分析する段階を含み、
前記核酸又はタンパク質の存在によって、前記対象が筋疾患に罹患していること、又は罹患するリスクがあることを示す方法を提供する。
a)前記タンパク質又はその断片をコードする配列、
b)前記タンパク質又はその断片をコードする配列に相補的な配列、
c)ストリンジェントなハイブリダイゼーション条件下で、前記タンパク質又はその断片をコードする核酸とハイブリッド形成することができる配列、又は、
d)a)又はb)に記載の核酸と約70%を超える同一性をもつ配列を含む核酸を提供する。
Yorkに記載されており、また、様々な発現ベクターは、例えば、Cloning Vectors:A Laboratory Manual(Pouwels et al.、1985、Supp.1987)にて提供されているもの、及び様々な商業供給業者によって提供されているものから選択できる。さらに、宿主細胞は、挿入配列の発現を調節するもの、又は特定の望ましい方法で遺伝子産物を修飾/処理するものを選べばよい。タンパク質産物のそのような修飾(例えば、グリコシル化)、及びプロセッシング(例えば、切断)は、タンパク質活性において重要である。種々の宿主細胞が、タンパク質及び遺伝子産物の翻訳後プロセッシング及び修飾に対し、特徴的で且つ特異的なメカニズムをもつ。発現した心筋幹細胞増殖タンパク質の正確な修飾及びプロセッシングを確実に行うための適切な細胞株又は宿主系は、当業者が選択することができる。
a)前記対象から生体サンプルを取得する段階であって、該生体サンプルが、核酸について分析する場合にはDNA又はRNA、また、タンパク質について分析する場合にはFHL−1タンパク質を含むことを特徴とする段階、及び、
b)アミノ酸配列VAKKCX1GX2X3NPIT(SEQ ID NO:4)(式中、X2はC以外の任意のアミノ酸であり、X1及びX3は、それぞれ任意のアミノ酸である。)を含む前記タンパク質又はその断片をコードする核酸について、前記サンプルを分析する段階、又は、
c)アミノ酸配列VAKKCX1GX2X3NPIT(SEQ ID NO:4)(式中、X2はC以外の任意のアミノ酸であり、X1及びX3は、それぞれ任意のアミノ酸である。)を含む前記タンパク質又はその断片について、前記サンプルを分析する段階を含む方法を提供する。
a)前記対象から生体サンプルを取得する段階であって、該生体サンプルが、核酸について分析する場合にはDNA又はRNA、また、タンパク質について分析する場合にはFHL−1タンパク質を含むことを特徴とする段階、及び、
b)128位におけるイソロイシン挿入(128InsI)を含むFHL−1タンパク質をコードする核酸について前記サンプルを分析する段階、又は、
c)128位におけるイソロイシン挿入(128InsI)を含むFHL−1タンパク質について前記サンプルを分析する段階を含む方法を提供する。
前記FHLタンパク質は、本願記載のヒトFHL−1タンパク質アイソフォームa、b、又はcと同一又は実質的に同一であってよく、実質的に同一とは、それらと少なくとも70%の同一性をもつことを含み、より好適には、少なくとも75%、80%、85%、90%、91%、92%、93%、94%、95%、96%、97%、98%、99%、99.5%、又は99.9%の同一性をもつことを意味している。
前記タンパク質、好適には野生型FHL−1タンパク質が存在しないタンパク質、さらに好適にはFHL−1タンパク質の全てのアイソフォームが存在しないタンパク質をコードするヌクレオチド構造物で、非ヒト動物を形質転換する段階を含む方法を提供する。ヒト対象が特定の筋肉の肥大化を示すとき、様々な身体部分で筋肉量の増加を示す動物を生産するために、例えば、肉用牛、ウマ、家禽、ブタ、又はその他の非ヒト動物で前記方法を用いてもよい。
発病年齢:35歳
CK:1342U/L
EMG:正常
筋MRI:N.D.
初期段階の逞しい体格:はい
筋生検:筋障害性
心臓障害:心臓の評価は正常
頸部及びアキレス腱:短い(AT)
Vivid7スキャナーを用い、全て1人の技師によって行われた。測定は米国心エコー図学会の規格に従って行い、分析は前記スキャナーのソフトウェアプログラムを用いて行った。測定されたドップラー変数は、ピーク大動脈及びLVOT速度、及び、拡張を評価するための僧帽弁通過血流(transmitral flow)であった。歪み及び歪み速度測定は、非ドップラー2D歪イメージング技術、及び、TDI技術を用いて得た。ゲノムDNA及び血清プロファイル(酵素)は、標準的な手順を用いて血液サンプルから抽出した。その他としては、磁気共鳴像(Magnet Resonance Imaging);左室生検をともなう心臓カテーテル;トレッドミル検査;ECGホルターモニタリングも用いた。
Affymetrix Inc.2006.GeneChip(登録商標)Human Mapping 500K Array Set。http://www.genehk.com/pdf/Affymetrix−GeneChip−500k.pdfより入手可能。
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Claims (21)
- a)アミノ酸配列VAKKCX1GX2X3NPIT(SEQ ID NO:4)(式中、X2はC以外の任意のアミノ酸であり、X1及びX3は、それぞれ任意のアミノ酸である。)で示される変異を含む変異four−and−a−half LIMドメイン(FHL−1)タンパク質をコードする核酸配列、又は
b)前記変異FHL−1タンパク質をコードする配列に相補的な核酸配列、
を含む核酸。 - X2がトリプトファンであることを特徴とする請求項1に記載の核酸。
- 前記変異FHL−1タンパク質が、SEQ ID NO:2又はSEQ ID NO:3からなることを特徴とする請求項1に記載の核酸。
- X連鎖性筋疾患をもつ対象を特定する方法であり、
アミノ酸配列VAKKCX1GX2X3NPIT(SEQ ID NO:4)(式中、X2はC以外の任意のアミノ酸であり、X1及びX3は、それぞれ任意のアミノ酸である。)で示される変異を含む変異four−and−a−half LIMドメイン(FHL−1)タンパク質をコードする核酸の有無を決定するために、前記対象からの生体サンプルを分析する段階、
を含み、前記核酸又はFHL−1タンパク質の存在が、X連鎖性筋疾患をもつ対象を特定することを特徴とする方法。 - X2がトリプトファンであることを特徴とする請求項4に記載の方法。
- 前記変異FHL−1タンパク質が、SEQ ID NO:2又はSEQ ID NO:3からなることを特徴とする請求項4に記載の方法。
- 前記対象がヒトであることを特徴とする請求項4に記載の方法。
- 前記生体サンプルが血液サンプルであることを特徴とする請求項4に記載の方法。
- 分析段階が、PCR、プローブハイブリダイゼーション、又は、ヌクレオチドシーケンシングを含むことを特徴とする請求項4に記載の方法。
- (a)i)アミノ酸配列VAKKCX1GX2X3NPIT(SEQ ID NO:4)(式中、X2はC以外の任意のアミノ酸であり、X1及びX3は、それぞれ任意のアミノ酸である。)で示される変異を含む変異four−and−a−half LIMドメイン(FHL−1)タンパク質をコードするヌクレオチド配列を増幅するための1つ以上の核酸プライマー、
ii)アミノ酸配列VAKKCX1GX2X3NPIT(SEQ ID NO:4)(式中、X2はC以外の任意のアミノ酸であり、X1及びX3は、それぞれ任意のアミノ酸である。)で示される変異を含む変異four−and−a−half LIMドメイン(FHL−1)タンパク質をコードするヌクレオチド配列に相補的な、9〜100ヌクレオチド間の1つ以上の核酸プローブ、
iii)バッファ、dATP、dTTP、dCTP、dGTP、又はDNAポリメラーゼを含む群より選択される1つ以上の試薬、及び、
iv)前記i)〜iii)の組み合わせ、
からなる群より選択される成分(但し、iii)のみを除く)と、
(b)対象の筋疾患に対するリスクを分析、診断又は決定するための指示書と、
を含むことを特徴とするキット。 - 前記筋疾患が、骨格筋症又は心筋症であることを特徴とする請求項4に記載の方法。
- 前記筋疾患が、筋ジストロフィーであることを特徴とする請求項11に記載の方法。
- SEQ ID NO:1の変異four−and−a−half LIMドメイン(FHL−1)タンパク質であって、
前記変異が、128位におけるイソロイシンの挿入を含むタンパク質をコードする遺伝子。 - X連鎖性筋疾患に罹患するリスクがある対象を特定するためにfour−and−a−half LIMドメイン(FHL−1)の変異を検査する方法であり、
SEQ ID NO:1の128位におけるイソロイシンの挿入を含むFHL−1遺伝子の変異をコードする核酸の有無を検出するために、前記対象からの生体サンプルを分析する段階、
を含み、前記FHL−1の変異をコードする核酸の存在が、X連鎖性筋疾患に罹患するリスクがある対象を示すことを特徴とする方法。 - X連鎖性筋疾患に罹患するリスクがある対象を特定する方法であり、
アミノ酸配列VAKKCX1GX2X3NPIT(SEQ ID NO:4)(式中、X2はC以外の任意のアミノ酸であり、X1及びX3は、それぞれ任意のアミノ酸である。)で示される変異を含む変異four−and−a−half LIMドメイン(FHL−1)タンパク質をコードする核酸の有無を決定するために、前記対象からの生体サンプルを分析する段階、
を含み、前記核酸の存在が、X連鎖性筋疾患をもつ対象又は罹患するリスクがある対象を特定することを特徴とする方法。 - X2がトリプトファンであることを特徴とする請求項15に記載の方法。
- 前記変異FHL−1タンパク質が、SEQ ID NO:2又はSEQ ID NO:3からなることを特徴とする請求項15に記載の方法。
- 前記対象がヒトであることを特徴とする請求項15に記載の方法。
- 前記生体サンプルが血液サンプルであることを特徴とする請求項15に記載の方法。
- 分析段階が、PCR、プローブハイブリダイゼーション、又は、ヌクレオチドシーケンシングを含むことを特徴とする請求項15に記載の方法。
- X連鎖性筋疾患をもつ対象を特定するためにfour−and−a−half LIMドメイン(FHL−1)の変異を検査する方法であり、
SEQ ID NO:1の128位におけるイソロイシンの挿入を含む変異FHL−1タンパク質をコードする核酸の有無を検出するために、前記対象からの生体サンプルを分析する段階、
を含み、前記変異FHL−1タンパク質をコードする核酸の存在が、X連鎖性筋疾患をもつ対象を示すことを特徴とする方法。
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