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Bipolar disorder is a common, complex genetic disorder, but the mode of transmission remains to be discovered. Many researchers assume that common genomic variants carry some risk for manifesting the disease. The research community has celebrated the first genome-wide significant associations between common single nucleotide polymorphisms (SNPs) and bipolar disorder. Currently, attempts are under way to translate these findings into clinical practice, genetic counseling, and predictive testing. However, some experts remain cautious. After all, common variants explain only a very small percentage of the genetic risk, and functional consequences of the discovered SNPs are inconclusive. Furthermore, the associated SNPs are not disease specific, and the majority of individuals with a "risk" allele are healthy. On the other hand, population-based genome-wide studies in psychiatric disorders have rediscovered rare structural variants and mutations in genes, which were previously known to cause genetic syndromes and monogenic Mendelian disorders.

Researchers have made dramatic inroads into the study of polygenic and other complex human diseases, due in large part to knowledge of the human genome sequence, the generation of widespread markers of genetic variation, and the development of new technologies that allow investigators to associate disease phenotypes with genetic loci. Although polygenic diseases are more common than single-gene disorders, studies of monogenic diseases provide an invaluable opportunity to learn about underlying molecular mechanisms, thereby contributing a great deal to our understanding of all forms of genetic disease.

That's why a paper published Thursday in the journal Genetics in Medicine is so remarkable. The paper identifies NGLY1 deficiency as an inherited genetic disorder, caused by mutations in the NGLY1 gene. The researchers have confirmed eight patients with these mutations who share several symptoms, including developmental delays, abnormal tear production and liver disease.

I'm a carrier of a Jewish genetic disease. With that, here's my journey, which will explain why I'm so passionate about advocating for JScreen-a national organization that focuses on education and screening for Jewish genetic diseases.

Jackson would eventually be diagnosed with the rare genetic eye disease Autosomal Dominant Neovascular Inflammatory Vitreoretinopathy (ADNIV), which eventually causes blindness in those who carry the gene.

Story of Aiden's Law, new genetic disorder that newborns in NY will be screened for.

The discovery of this genetic disorder, reported in two papers in the journal Cell, demonstrates the growing power of new tools to uncover the causes of diseases that previously stumped doctors.

Sharmila Nikapota, the mother of a child with a rare genetic disorder, has high hopes for gene editing. "For us this technology holds the unimaginable dream of a cure," she says. Her 13-year-old daughter Sohana has spent her entire life covered in painful blisters, the result of a condition called recessive dystrophic epidermolysis bullosa.

When Beatrice Rienhoff was born in 2003 following an uneventful, full-term pregnancy, she was breathing well and had good color and muscle tone. She was on the small side, and there were some other subtle clues that something might be amiss. Her fingers and toes, especially on the right side of her body, were bent.

You might not think about your bones very often unless you break one. When you break a bone, the bone heals itself and begins to regrow. But, what if your muscles, tendons and ligaments turned to bone? What if you formed a second skeleton on top of the one you already have? That's what happens with Fibrodysplasia Ossificans Progressiva, or FOP.