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候補遺伝子アプローチ・連鎖解析・罹患同胞対解析を用いる痛風の病因遺伝子の同定

Research Project

Project/Area Number 10877178
Research Category

Grant-in-Aid for Exploratory Research

Allocation TypeSingle-year Grants
Research Field Metabolomics
Research InstitutionThe University of Tokushima

Principal Investigator

板倉 光夫  徳島大学, ゲノム機能研究センター, 教授 (60134227)

Co-Investigator(Kenkyū-buntansha) 森谷 眞紀  徳島大学, 医学部, 助手 (50301312)
山岡 孝  徳島大学, 医学部, 助手 (40263826)
Project Period (FY) 1998 – 1999
Project Status Completed (Fiscal Year 1999)
Budget Amount *help
¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 1999: ¥900,000 (Direct Cost: ¥900,000)
Fiscal Year 1998: ¥1,100,000 (Direct Cost: ¥1,100,000)
Keywords排泄低下型痛風 / 産生過剰型痛風 / 連鎖解析 / 候補遺伝子アプローチ / ATase / SNP / 連鎖不平衡解析 / PRPP合成酵素複合体 / 罹患同胞対解析 / 尿酸トランスポーター
Research Abstract

本申請では、「産生過剰型」と「排泄低下型痛風」患者の両者を対象として、痛風、および高尿酸血症の病因遺伝子を同定するために、『候補遺伝子アプローチ』と『連鎖解析』の両方法を用いて解析を行い、以下の知見を得た。
1)排泄低下型痛風患者の6世代にわたる一大家系(40検体)の末梢白血球から抽出したDNAを用いて、X染色体を除く全染色体上の343種類のマイクロサテライトマーカーを用いて多型を解析し、得られた結果を、Linkage packageソフトを用いて分析を行った。パラメトリック連鎖解析の結果、16番染色体短腕に連鎖が認められ、多点解析で最高ロッド値6.14を示す領域を見い出した。
2)産生過剰型痛風の疾患感受性遺伝子を同定するために、疾患候補遺伝子であり、申請者らがクローニングしたアミドフォスフォリボシルトランスフェラーゼ(ATase)遺伝子、およびプリン代謝の生合成に重要なPRPP合成酵素複合体の4つの構成要素をなす、PRS1、PRS2、PAP39、PAP41の遺伝子局所の単一ヌクレオチド多型(SNP)解析を行うために、これら遺伝子のゲノム構造を決定した。さらに、全エクソン、およびプロモーター領域について、多色蛍光標識MF-PCR-SSCPを用いてSNP多型を集積し、痛風患者と健常者集団間でSNPの頻度を比較し、両群間で連鎖不平衡にあるSNP多型を数種類見い出した。

Report

(2 results)
  • 1999 Annual Research Report
  • 1998 Annual Research Report
  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] Kamatani N: "Localization of a gene for familial juvenile hyperuricemic nephropathy causing underexcretion-type 16p12 by genome-wide linkage analysis of a large family."Arthritis&Rheumatism. (in press). (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] Sasahara K: "Molecular cloning and expression analysis of a putative nuclear protein,SR-25."Biochem.Biophys.Res.Commun.. (in press). (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] Yamaoka T: "Diabetes and pancreatic tumors in transgenic mice expression pax 6."Diabetologia. (in press). (200)

    • Related Report
      1999 Annual Research Report
  • [Publications] Yamaoka T: "Apoptosis and remodelling of beta cells by paracrine interferon-γ without insulitis in transgenic mice."Diabetologia. 42. 566-573 (1999)

    • Related Report
      1999 Annual Research Report
  • [Publications] Moritai M: "Abrogation of autoimmune diabetes in non-obese diabetic mice and protection against effector lymphocytes by transgenic paracrine TGF-β1."J.Chin.Invest.. 102(2). 499-506 (1998)

    • Related Report
      1999 Annual Research Report
  • [Publications] Katashima R: "Assignment of the human phosphoribosylpyrophosphate synthetase-associated protein 41 genes(PRPSAP2)to 17p11.2-p12."Genomics. 54. 181-182 (1998)

    • Related Report
      1999 Annual Research Report
  • [Publications] 森谷眞紀、板倉光夫: "遺伝子治療・開発研究ハンドブック、遺伝病、多遺伝子性疾患"株式会社エス・エヌ・ティ. 1061 (1998)

    • Related Report
      1999 Annual Research Report
  • [Publications] 森谷眞紀、板倉光夫: "ザ・プロトコールシリーズ、機能ゲノム研究プロトコール疾患、SNP_S解析、遺伝子解析編"羊土社 (in press). (2000)

    • Related Report
      1999 Annual Research Report
  • [Publications] Yamaoka T: "Amidophoshoribosyltransferase limits the rate of cell growth-liked de novopurine biosynthesis in the presence of constant capacity of salvage purine" J.Biol.Chem.272. 17719-17725 (1997)

    • Related Report
      1998 Annual Research Report
  • [Publications] Tomonari A: "Identification of cis-Acting DNA elements of the human y-glutamylcysteing synthetase heavy subunit gene" Biochem.Biophys.Res.Commun. 232. 522-527 (1997)

    • Related Report
      1998 Annual Research Report
  • [Publications] Tanaka C: "Infrequent mutations of p27Kipl gene and trisomy 12 in a subset of human pituitary adenomas." J.Clin.Endocrinol.Metab.82(9). 3141-3147 (1997)

    • Related Report
      1998 Annual Research Report
  • [Publications] Matsushita T: "Molecular cloning of mouse paired-box containing gene(pax)-4 from an islet B cell line and deduced sequence of human pax-4" Biochem.Biophys.Res.Commun. 242. 176-180 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Moritani M: "Abrogation of autoimmune diabetes in non-obese diabetic mice and protection against effector by transgenic paracrine TGF-B1" J.Clin.Invest. 102(3). 499-506 (1998)

    • Related Report
      1998 Annual Research Report
  • [Publications] Yamaoka T: "Hypoplasia of pancreatic islets in transgenic mice expressing activen receptor mutants." J.Clin.Invest. 102(2). 294-301 (1998)

    • Related Report
      1998 Annual Research Report

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Published: 1998-04-01   Modified: 2016-04-21  

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