{"id":2780,"date":"2024-08-22T23:22:18","date_gmt":"2024-08-22T14:22:18","guid":{"rendered":"https:\/\/www.hiro-clinic.or.jp\/nippt\/snp%e3%82%92%e7%94%a8%e3%81%84%e3%81%9f%e5%87%ba%e7%94%9f%e5%89%8d%e8%a6%aa%e5%ad%90%e9%91%91%e5%ae%9a%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\/"},"modified":"2024-10-07T17:14:47","modified_gmt":"2024-10-07T08:14:47","slug":"snp%e3%82%92%e7%94%a8%e3%81%84%e3%81%9f%e5%87%ba%e7%94%9f%e5%89%8d%e8%a6%aa%e5%ad%90%e9%91%91%e5%ae%9a%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.hiro-clinic.or.jp\/nippt\/snp%e3%82%92%e7%94%a8%e3%81%84%e3%81%9f%e5%87%ba%e7%94%9f%e5%89%8d%e8%a6%aa%e5%ad%90%e9%91%91%e5%ae%9a%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6\/?lang=en","title":{"rendered":"On prenatal paternity testing using SNPs."},"content":{"rendered":"\n<p><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is SNP?<\/h3>\n\n\n\n<p>Single Nucleotide Polymorphism (<a href=\"https:\/\/www.hiro-clinic.or.jp\/nippt\/accuracy\/\">SNP<\/a>) is a type of point mutation in which one base is replaced by another in a DNA sequence. SNPs are very common in human genetic information and are important markers of genetic differences between individuals. By analyzing these SNPs, parent-child relationships and an individual&#8217;s genetic background can be studied.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is a prenatal paternity test?<\/h3>\n\n\n\n<p>Prenatal paternity testing confirms who the father is by analyzing the fetus&#8217; DNA. Traditional methods usually test for parent-child relationships after birth, but modern technology allows the parent-child relationship to be verified even during pregnancy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Methods of prenatal parentage testing using SNPs.<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Fetal DNA sample collection<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>In prenatal paternity testing, free DNA (cfDNA) of fetal origin in the blood of a pregnant woman is collected. This DNA enters the pregnant woman&#8217;s bloodstream from around the sixth week of pregnancy and can therefore be obtained non-invasively by a blood test.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>DNA samples taken from mother and presumed father<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DNA samples of the mother and presumed father are also taken. These are usually done using swabs taken from the mucous membranes of the mouth.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/www.hiro-clinic.or.jp\/nippt\/accuracy\/\">SNP<\/a> analysis<\/strong>:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fetal cfDNA is compared to DNA samples from the mother and presumed father and analyzed for <a href=\"https:\/\/www.hiro-clinic.or.jp\/nippt\/accuracy\/\">SNP<\/a> matches; SNPs are numerous and their combination determines the genetic match. If the pattern of SNPs in the father&#8217;s DNA and the fetus&#8217; DNA match, it is considered very likely that the man is the father.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Interpretation of results<\/strong>:.<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Based on the results of the <a href=\"https:\/\/www.hiro-clinic.or.jp\/nippt\/accuracy\/\">SNP<\/a> analysis, the presence or absence of a parent-child relationship is confirmed: if the <a href=\"https:\/\/www.hiro-clinic.or.jp\/nippt\/accuracy\/\">SNP<\/a> match is high, it is concluded that a parent-child relationship exists.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Advantages of prenatal parentage testing using SNPs.<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Non-invasive<\/strong>: fetal DNA samples can be taken from the pregnant woman&#8217;s blood, eliminating the need for invasive techniques such as amniocentesis or chorionic villus examination.<\/li>\n\n\n\n<li><strong>High accuracy<\/strong>: <a href=\"https:\/\/www.hiro-clinic.or.jp\/nippt\/accuracy\/\">SNP<\/a> analysis can determine parent-child relationships with a very high degree of accuracy and therefore provides reliable results.<\/li>\n\n\n\n<li><strong>Early identification<\/strong>: the test can be performed from the sixth week of pregnancy onwards, allowing early confirmation of parent-child relationships.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Conclusion<\/h3>\n\n\n\n<p>Prenatal paternity testing using SNPs is a non-invasive and highly accurate method widely used to confirm parent-child relationships. The technique enables safe and reliable confirmation of parent-child relationships during pregnancy, providing important information for many families.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is SNP? Single Nucleotide Polymorphism (SNP) is a type of point mutation in whic&#8230;<\/p>\n","protected":false},"author":5,"featured_media":3965,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[33],"tags":[73,69,39,76,72],"class_list":{"0":"post-2780","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-genetic-testing-en","8":"tag-dna_profiling-en","9":"tag-dna_test-en","10":"tag-expert-en","11":"tag-genetic_testing-en","12":"tag-analysis-en","13":"article"},"acf":[],"_links":{"self":[{"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/posts\/2780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/comments?post=2780"}],"version-history":[{"count":3,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/posts\/2780\/revisions"}],"predecessor-version":[{"id":5508,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/posts\/2780\/revisions\/5508"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/media\/3965"}],"wp:attachment":[{"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/media?parent=2780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/categories?post=2780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hiro-clinic.or.jp\/nippt\/wp-json\/wp\/v2\/tags?post=2780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}