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	<title>wsyang.com &#187; 유전통계학</title>
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	<description>Mac, Statistics, Photograph, and Common Life in Japan</description>
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		<title>새로운 SNP case-control 연관분석 방법 OMTT</title>
		<link>http://wsyang.com/wp/2008/08/08/%ec%83%88%eb%a1%9c%ec%9a%b4-snp-case-control-%ec%97%b0%ea%b4%80%eb%b6%84%ec%84%9d-%eb%b0%a9%eb%b2%95-omtt/</link>
		<comments>http://wsyang.com/wp/2008/08/08/%ec%83%88%eb%a1%9c%ec%9a%b4-snp-case-control-%ec%97%b0%ea%b4%80%eb%b6%84%ec%84%9d-%eb%b0%a9%eb%b2%95-omtt/#comments</comments>
		<pubDate>Fri, 08 Aug 2008 01:34:10 +0000</pubDate>
		<dc:creator>민석아빠</dc:creator>
				<category><![CDATA[유전통계학]]></category>
		<category><![CDATA[Association Study]]></category>
		<category><![CDATA[SNP]]></category>
		<category><![CDATA[연관분석]]></category>

		<guid isPermaLink="false">http://www.wsyang.com/blog/?p=551</guid>
		<description><![CDATA[
Optimal dose-effect mode trend test for SNP genotype tables. An Genetic Epidemiology Published Online: 7 Aug 2008


요점 정리

SNP를 이용한 Case-Control 연관분석을 하고자 할 때, 가법 형식(additive mode)에 대해 trend 검정을, 우성 형식(dominant mode)에 대해 우성 검정을, 열성 형식(recessive mode)에 대해 열성 검정을 할 때가 있다. 또한, 어떤 유전 형식을 따르는지 알 수 없지만, 그 중 [...]]]></description>
			<content:encoded><![CDATA[<ul>
<li>Optimal dose-effect mode trend test for SNP genotype tables. <a href="http://www3.interscience.wiley.com/journal/121372688/abstract?CRETRY=1&amp;SRETRY=0" target="_blank">An Genetic Epidemiology Published Online: 7 Aug 2008</a></li>
</ul>
<ul>
<li>요점 정리
<ul>
<li>SNP를 이용한 Case-Control 연관분석을 하고자 할 때, 가법 형식(additive mode)에 대해 trend 검정을, 우성 형식(dominant mode)에 대해 우성 검정을, 열성 형식(recessive mode)에 대해 열성 검정을 할 때가 있다. 또한, 어떤 유전 형식을 따르는지 알 수 없지만, 그 중 하나와 일치한다면 연관이 있다고 생각하여, 세 가지 검정 중 가장 유의한 검정결과를 채택하는 방법을 사용할 때도 있다.</li>
<li>Risk allele의 동형접합체(homozygote)와 non risk allele의 동형접합체의 리스크 가중치를 각각 1, 0으로 설정할 때, 우성, 열성, 가법 형식은 이형접합체(heterozygote)의 리스크 가중치를 1, 0, 0.5로 설정한 경우이므로, 우성과 열성의 사이는 이형접합체의 가중치를 0 이상 1 이하로 생각할 수 있다. Optimal dose trend test(OMTT)는 이러한 우성, 열성 간의 형식을 연속적인 대상으로 간주하여 검정하는 방법이다.</li>
<li>실제 계산은 2X3 분할표로부터 자유도 2의 카이제곱 통계치와 우성 형식, 열성 형식으로 부터의 2X2 분할표를 만들어 자유도 1인 카이제곱 통계치를 계산하여 그 중 하나를 검정통계량으로 사용한다.</li>
<li>자세한 해설과 Java로 만든 애플리케이션의 다운로드는 <a href="http://func-gen.hgc.jp/wiki/index.php/Optimal_dose-effect_mode_trend_test" target="_blank">이곳</a>에서</li>
</ul>
</li>
</ul>
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		</item>
		<item>
		<title>statistical genetics의 배경지식에 관한 참고논문</title>
		<link>http://wsyang.com/wp/2008/06/27/statistical-genetics%ec%9d%98-%eb%b0%b0%ea%b2%bd%ec%a7%80%ec%8b%9d%ec%97%90-%ea%b4%80%ed%95%9c-%ec%b0%b8%ea%b3%a0%eb%85%bc%eb%ac%b8/</link>
		<comments>http://wsyang.com/wp/2008/06/27/statistical-genetics%ec%9d%98-%eb%b0%b0%ea%b2%bd%ec%a7%80%ec%8b%9d%ec%97%90-%ea%b4%80%ed%95%9c-%ec%b0%b8%ea%b3%a0%eb%85%bc%eb%ac%b8/#comments</comments>
		<pubDate>Thu, 26 Jun 2008 15:42:53 +0000</pubDate>
		<dc:creator>민석아빠</dc:creator>
				<category><![CDATA[유전통계학]]></category>
		<category><![CDATA[Journal]]></category>
		<category><![CDATA[Statistical genetics]]></category>
		<category><![CDATA[참고논문]]></category>

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		<description><![CDATA[1. Nat Rev Genet. 2001 Feb;2(2):91-9.
Association study designs for complex diseases.
By Cardon LR, Bell JI.
2. Nat Rev Genet. 2005 Feb;6(2):95-108.
Genome-wide association studies for common diseases and complex traits.
By Hirschhorn JN, Daly MJ
3. Lancet. 2005 Sep 24-30;366(9491):1121-31.
Genetic association studies.
By Cordell HJ, Clayton DG.
4. : Lancet. 2005 Sep 17-23;366(9490):1036-44.
Genetic linkage studies.
By Dawn Teare M, Barrett JH.
5. Am [...]]]></description>
			<content:encoded><![CDATA[<p>1. Nat Rev Genet. 2001 Feb;2(2):91-9.<br />
<a href="http://www.nature.com/nrg/journal/v2/n2/pdf/nrg0201_091a.pdf" target="_blank">Association study designs for complex diseases.</a><br />
By Cardon LR, Bell JI.</p>
<p>2. Nat Rev Genet. 2005 Feb;6(2):95-108.<br />
<a href="http://www.nature.com/nrg/journal/v6/n2/pdf/nrg1521.pdf" target="_blank">Genome-wide association studies for common diseases and complex traits.</a><br />
By Hirschhorn JN, Daly MJ</p>
<p>3. Lancet. 2005 Sep 24-30;366(9491):1121-31.<br />
<a href="http://www.sciencedirect.com/science?_ob=ArticleURL&amp;_udi=B6T1B-4H5GDN3-10&amp;_user=18704&amp;_coverDate=09%2F30%2F2005&amp;_rdoc=1&amp;_fmt=&amp;_orig=search&amp;_sort=d&amp;view=c&amp;_acct=C000002018&amp;_version=1&amp;_urlVersion=0&amp;_userid=18704&amp;md5=cf8158e3456bab61b705be4748b1fc15" target="_blank">Genetic association studies.</a><br />
By Cordell HJ, Clayton DG.</p>
<p>4. : Lancet. 2005 Sep 17-23;366(9490):1036-44.<br />
<a href="http://www.sciencedirect.com/science?_ob=ArticleURL&amp;_udi=B6T1B-4H40RPY-1B&amp;_user=18704&amp;_coverDate=09%2F23%2F2005&amp;_rdoc=1&amp;_fmt=&amp;_orig=search&amp;_sort=d&amp;view=c&amp;_acct=C000002018&amp;_version=1&amp;_urlVersion=0&amp;_userid=18704&amp;md5=1361ff5eb3d77048132a325d1cdf5fcf" target="_blank">Genetic linkage studies.</a><br />
By Dawn Teare M, Barrett JH.</p>
<p>5. Am J Hum Genet. 1996 Nov;59(5):983-9.<br />
<a href="http://www.pubmedcentral.nih.gov/articlerender.fcgi?tool=pubmed&amp;pubmedid=8900224" target="_blank">The TDT and other family-based tests for linkage disequilibrium and association.</a><br />
By Spielman RS, Ewens WJ.</p>
]]></content:encoded>
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