{"id":13655,"date":"2024-10-08T10:05:28","date_gmt":"2024-10-08T10:05:28","guid":{"rendered":"https:\/\/introlab.net\/?page_id=13655"},"modified":"2024-10-08T10:49:33","modified_gmt":"2024-10-08T10:49:33","slug":"brca-1-brca-2","status":"publish","type":"page","link":"https:\/\/staging-introlab.dev-digitaldot.com\/en\/ngs\/brca-1-brca-2\/","title":{"rendered":"BRCA 1 and BRCA 2"},"content":{"rendered":"<p>Genetic testing is becoming a valuable tool in the prevention of serious diseases. The BRCA 1 and BRCA 2 test, available at<a href=\"https:\/\/staging-introlab.dev-digitaldot.com\/en\/\"> IntroLab<\/a>, <strong>enables the identification of mutations<\/strong> that increase the risk of breast, ovarian, and other types of cancer. By utilizing advanced Next Generation Sequencing (NGS) technology,<strong> the test delivers precise results<\/strong> and aids in making informed decisions regarding preventive measures.<\/p>\n<h2>What are BRCA 1 and BRCA 2 genes, and what is the difference?<\/h2>\n<p>BRCA 1 and BRCA 2 <strong>genes help maintain the stability of genetic material<\/strong> by producing proteins that repair damaged DNA. When mutations occur in these genes, the risk of developing cancer increases.<\/p>\n<p>Differences between BRCA 1 and BRCA 2:<\/p>\n<ul>\n<li><em>BRCA 1 mutations are often associated with triple-negative breast cancer,<\/em> which does not respond to hormonal therapies, making it more challenging to treat.<\/li>\n<li><em>BRCA 2 mutations are more frequently linked to hormone receptor-positive breast cancer,<\/em> allowing for the use of hormonal therapies. Additionally, BRCA 2 mutations increase the risk of prostate and pancreatic cancer, as well as breast cancer in men.<\/li>\n<\/ul>\n<p>Both mutations raise the risk of various cancers but <strong>differ in the nature of the cancers they are associated with and the timing of disease onset.<\/strong><\/p>\n<h2>What is the BRCA 1 and BRCA 2 test?<\/h2>\n<p>The BRCA test detects mutations in the BRCA 1 and BRCA 2 genes that increase cancer risk. It is conducted using<a href=\"https:\/\/staging-introlab.dev-digitaldot.com\/en\/ngs\/\"> Next Generation Sequencing (NGS) technology<\/a>, which <em>allows for detailed gene analysis and the identification of even the smallest DNA changes<\/em>. This method is currently the most accurate, providing reliable results that help in the precise assessment of the risk for hereditary cancers.<\/p>\n<h2>Why is the BRCA 1\/2 test important?<\/h2>\n<p>The significance of the BRCA 1\/2 test lies in its ability to provide information about an individual&#8217;s genetic risk for developing cancer. For those who carry mutations in the BRCA1 or BRCA2 genes, the risk of developing breast cancer ranges from <strong>40% to 85%<\/strong>, while the risk of ovarian cancer is between <strong>11% and 60%<\/strong>. Carriers of these mutations may also face an increased risk of other cancers, such as:<\/p>\n<ul>\n<li>Prostate cancer in men<\/li>\n<li>Pancreatic cancer<\/li>\n<li>Male breast cancer<\/li>\n<\/ul>\n<p>These mutations are inherited in an autosomal dominant pattern, meaning <em>there is a 50% chance that a parent with the mutation will pass the genetic alteration to their children<\/em>. This information can help guide decisions on preventive measures, benefiting both the individual and their family members.<\/p>\n<h2>Who should consider BRCA 1 and BRCA 2 testing?<\/h2>\n<p>BRCA 1\/2 testing is recommended for the following individuals:<\/p>\n<ul>\n<li><strong>People with a family history<\/strong> of breast, ovarian, prostate, or pancreatic cancer, especially if multiple family members have been diagnosed<\/li>\n<li><strong>Women<\/strong> diagnosed with breast or ovarian cancer before the age of 50<\/li>\n<li><strong>Individuals with a known relative<\/strong> who has a BRCA mutation<\/li>\n<li><strong>Men with a history<\/strong> of breast cancer or a high risk of prostate cancer<\/li>\n<li><strong>Individuals who have survived breast or ovarian cancer<\/strong>, to better understand their risk of recurrence or developing other cancers<\/li>\n<\/ul>\n<h2>Sample collection and turnaround time for BRCA1 and BRCA2 test results<\/h2>\n<p>The BRCA test is conducted using either a<strong> blood or saliva sample,<\/strong> with the collection process being simple and non-invasive. Once the sample is collected, it is sent to the laboratory for genetic analysis. <em>Test results are typically available within 4-6 weeks.<\/em> The results come with a <strong>detailed interpretation of any identified genetic variants,<\/strong> which is essential for making informed decisions about preventive measures.<\/p>\n<h2>What happens if a mutation is detected?<\/h2>\n<p>If the test detects a mutation in the BRCA1 or BRCA2 genes,<strong> it doesn\u2019t mean that the person currently has cancer,<\/strong> but it does indicate an increased risk of developing it in the future. In this situation, it&#8217;s important to<em> consult with a genetic counselor and a doctor<\/em> to develop a plan for ongoing monitoring and prevention.<\/p>\n<p>Options following a positive BRCA test may include:<\/p>\n<ul>\n<li><strong>More frequent medical screenings:<\/strong> Regular mammograms, breast MRIs, or other specialized tests can help with early detection of potential tumors.<\/li>\n<li><strong>Preventive surgeries:<\/strong> Mastectomy (surgical removal of breasts) or removal of the ovaries can significantly reduce the risk of cancer.<\/li>\n<li><strong>Use of preventive medications:<\/strong> Drugs like tamoxifen or raloxifene can lower the risk of breast cancer in high-risk women.<\/li>\n<li><strong>Lifestyle changes:<\/strong> Adopting a healthy lifestyle, including regular physical activity, maintaining a healthy weight, and avoiding risk factors such as smoking and alcohol, can further reduce the risk.<\/li>\n<\/ul>\n<h2>What if the test does not reveal a mutation?<\/h2>\n<p>A negative BRCA 1\/2 test does not guarantee that a person will never develop cancer, but<em> it does indicate that there is no inherited BRCA mutation increasing the risk.<\/em> However, other genetic and lifestyle factors can still contribute to cancer risk, so it is important to consult with a doctor about recommended preventive measures.<\/p>\n<h2>The benefits of genetic counseling<\/h2>\n<p><strong><a href=\"https:\/\/staging-introlab.dev-digitaldot.com\/en\/genetic-counseling\/\">Genetic counseling<\/a>, both before and after BRCA 1\/2 testing, can be very helpful<\/strong>. A genetic counselor can explain the test results, assist in understanding the associated risks, and offer support in making decisions about preventive steps. This type of counseling helps individuals comprehend complex genetic information and its impact on their health and their family&#8217;s health.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Genetic testing is becoming a valuable tool in the prevention of serious diseases. The BRCA 1 and BRCA 2 test, available at IntroLab, enables the identification of mutations that increase the risk of breast, ovarian, and other types of cancer. By utilizing advanced Next Generation Sequencing (NGS) technology, the test delivers precise results and aids [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":12585,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-biohemiska.php","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[181],"tags":[],"class_list":["post-13655","page","type-page","status-publish","hentry","category-genetic-analyses"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BRCA 1 and BRCA 2 | NGS | Tests | IntroLab Belgrade<\/title>\n<meta name=\"description\" content=\"Find out if you carry BRCA 1 and BRCA 2 mutations and reduce your cancer risk. 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