Venture deep inside the nucleus to explore the structure and function of DNA. The molecule’s structure is key to its function and replication, and it controls its own replication and transcription in a way that is both simple and highly complicated.
Proteins are one of the major building blocks of life, without which there would be no life as we know it. Want to brush up on your knowledge of proteins? These articles will give you an insight into how and where proteins are made, what they do, and how they are used in science and industry.
Shows about forensic crime-fighting with DNA are a big hit on TV, but they usually skimp on the details. If you’ve ever wondered just how DNA profiling works, and how it’s used in the justice system, this collection of articles is a great place to start.
Our genetic code is not without a number of mutations. We are either born with them or acquire them during life. While most are benign others can cause disease and genetic disorders. This guide explores the genetic underpinnings of many medical disorders.
The ALK gene codes for a protein which, when mutated, has the potential to cause certain types of cancer. The discovery of the gene means the possible development of new treatments for these cancers. This article discusses the link between ALK gene mutation and cancer treatment.
Prothrombin gene mutation, or PT gene mutation, is one cause of a condition called thrombophilia. People with this condition are at increased risk of blood clots and venous thromboses.
A mosaic chromosome syndrome is a syndrome caused by the presence of an extra chromosome in some of the body’s cells. Often a mosaic syndrome is a milder version of a known condition, such as Down syndrome.
Tay-Sachs disease is a progressive neurological disease which is extremely rare in the general population, but is relatively common in certain cultural groups, including Jewish people of Ashkenazi descent. Read this article to learn about the history of Tay-Sachs disease discovery and treatment.
The short stature homeobox gene, or SHOX gene, is involved in the regulation of human growth and development. SHOX gene mutation is known to be involved in multiple types of genetic short stature disorders.
Mutations in HCM genes cause a heart disease called hypertrophic cardiomyopathy, which can lead to sudden cardiac death. Early genetic testing of people who might be at risk is important to ensure treatment and monitoring can help prevent heart attack or death.
The prolactin blood test is a simple test that measures levels in blood for diagnostic purposes. This test is used to diagnose fertility issues in women and the cause of sexual dysfunction in men, and might also be used to evaluate for kidney disease and thyroid disease.
Luteinizing hormone is responsible for triggering ovulation during the menstrual cycle in women, and stimulating testosterone production in men. Abnormal levels of this hormone can therefore interfere with fertility. This article contains pointers for understanding luteinizing hormone test results.
Oncogenes are genes which, when mutated, can lead to the development of cancer. Read this article to learn about some examples of oncogenes, and how they contribute to cancer.
The kidneys are responsible for filtering waste products and excess water from the body. Kidney function can be assessed via a series of blood and urine tests that show how efficiently the kidneys are operating. Kidney blood tests include blood urea levels and glomerular filtration rate.
Several different test types can be used in the laboratory diagnosis of herpes simplex virus type 1. The best test to use depends on whether the patient has an active herpes infection, and how much time has elapsed since he or she was initially exposed to the virus.
Zoloft is a prescription medication for mood disorders such as depression. It has some short and long term side effects that people should be aware of before they start using the drug. Read on for more information, and talk to your doctor about Zoloft or any other medication before taking it.
While this particular drug is most often prescribed for high blood pressure in adults, a doctor may also suggest guanfacine for anxiety in children.
Somatropin is a synthetic form of a hormone normally produced in the body. Taking this hormone can cause mild effects such as tenderness and pain, as well as rare but serious side effects.
Endoscopic ultrasound is often used to stage certain types of cancer, and to monitor diseases such as chronic pancreatitis. The procedure is usually safe, but does have some risks and side effects.
Standard ultrasound captures images in two dimensions, but new technology allows the capture of ultrasound images in three and even four dimensions.