Articles related to "Mutations"

Most changes in DNA aren't harmful, however, some can have a detrimental effect on health and development.

There are two main categories of genetic mutation based on the type of cell they occur in. Changes to a person's DNA can be inherited or acquired after fertilization.

This planet teems with an amazing diversity of living species. How do mutations help drive the process of evolution to produce such multitudes?

A mutation is an alteration of a gene's DNA sequence. Mutations are usually bad news, but those rare changes that benefit an organism are the raw material of evolution.

The result of these genetic mistakes can range from no effect on the organism to the production a defective cellular protein that may have disastrous implications.

A mutation is a rare change in a gene's DNA sequence that can result in a defective cellular protein. This article covers the basics of genetic mutation.

The incidence of malignant melanoma is rising steadily. New research has identified a series of mutations in a specific gene which may open new routes for treatment.

Since the beginnings of modern genetics scientists have been trying to figure out how often mutations occur; now they think they have the answer.

Each year, more than 160,000 people worldwide are diagnosed with melanoma. A targeted therapy known as PLX4032 is showing remarkable trial results. Trials continue.

Scientists have discovered a gene mutation that causes hairlessness in dogs. The discovery may help cure a genetic disease in humans. Dogs may truly be man's best friend.

A mutation in the CCR5 chemokine receptor gene has been discovered that provides protection against infection by HIV-1, the most common strain in North America.

Mutations in the so-called breast cancer genes account for only around 5% of breast cancers. Around the world, the search for other high risk genes is continuing.

People do not inherit cancer but instead inherit an increased risk of getting cancer.

Escape mutations can protect HIV-1 against detection by cytotoxic T-lymphocytes (CTL); however, some of these alterations in virus structure also provide a host advantage

BRCA1 and BRCA2 may have been named after breast cancer, but mutations in the genes also increase the lifetime risk of ovarian cancer by up to 50%.

A University study revels why the influenza virus, H1N1 2009, mutation is causing a pandemic of swine flu symptoms. Another study recommends swine flu vaccine allocation.

The causes of Alzheimer's disease are not fully understood but recent research focuses upon a fragment of protein, called amyloid beta.

The danger comes when the abnormal cell growth becomes so severe that the purpose of the individual cell is destroyed and the organ involved can no longer function.

Progeria is a rare genetic disease wherein the symptoms of old begin in the early childhood. To date, there is no known cure for progeria.

The molecular world is dominated by random events. Molecules collide and the reactions that occur are based on the random orientation of the molecules at impact.

Scientists are making progress against breast cancer as diagnoses are declining and research is revealing how ethnicity may impact prevalence and risk factors.

Recent studies show that thyroid function test results can be misleading. In a recently discovered MCT8 mutation, hypothyroidism occurs but not its typical lab pattern.

Most currently available anti-viral agents inhibit viral reproduction rather than killing the virus already present.

The science behind the H1N1 virus is key to understanding why it is so difficult to produce effective anti-viral treatments.

New technologies help researchers find common genetic mutations in different cancers.

Mutations in the mitochondrial DNA can reduce the function of the mitochondrion, the power house of the cell, resulting in metabolic syndromes and disorders of metabolism

Autoimmune lymphoproliferative syndrome (ALPS) is characterized by an enlarged spleen, thrombocytopenia, and other autoimmune disorders, usually AIHA.

For the first time in decades, cancer deaths are declining in the United States. However, cancer remains a serious disease. Knowing cancer basics can help you understand

The article covers the basics of Fallen Earth along with an explanation of the games character building system.

Genetic disorders afflict millions and are caused either by inherited or acquired DNA mutations. This article outlines some ways human cells have for fighting DNA damage.

A small number of cases of influenza worldwide have proven to be resistant to the popular anti-influenza drug Tamiflu.

Familial Alzheimer's disease cases are only a small fraction of all AD cases, but the genes involved can tell us about some of the important biochemistry.

A new study evaluates the growth rate of ovarian tumors before they are clinically apparent and estimates the challenge of screening tests to detect tumors early.

The folded ears of this unusual looking cat are caused by a mutation which can be linked to certain abnormalities, so its existence is controversial.

One in 8 women will develop breast cancer in her lifetime. Women at high risk should be screened more often and may need preventative medications or surgery.

The most recent official swine flu statistics, H1N1 deaths, plus information on a new H1N1 mutation. Learn all that WHO has to report about swine flu for November 2009.

Despite scientists' certainty that evolution occurs, a large percentage of the population still harbors misconceptions about the theory.

There are sometimes genetic reasons why a couple cannot get pregnant. In a few cases, the man's vas deferens have never developed.

Genetics and environmental factors contribute equally to the development of high blood pressure. Genes in the RAS are particularly important.

Once a woman makes the decision to undergo hereditary breast cancer testing, she must be prepared for what either positive or negative test results mean in her life.

The Earth is populated by millions of species, and this is the result of countless chance events.

With recent news about three parent zygotes created to replace defective maternal mitochondrial DNA, you might be wondering "What is a mitochondrion?"

Muscular dystrophies include a number of disorders that damage skeletal muscles, leading to a loss of strength, muscle wasting, and disabilities.

At the site of the world's worst nuclear accident, nature has taken over. Research on birds in the area tells us how things are going for species at Chernobyl.

Mutations in the X-chromosome-linked genes for clotting factors VIII and IX lead to problems with blood clotting that range from mild to severe and life-threatening.

Fetal alcohol spectrum disorders can be the result of mothers who drink during pregnancy. Research suggests that fathers' alcohol consumption is also harmful.

Jonathan King's newest film, Black Sheep, comes from a long line of horror movies geared for laughter. The film provides a fresh look at sheep.

Is knowledge power or is ignorance bliss? It's a question that can divide families when it comes to testing for abnormal BRCA1 and BRCA2 genes.

The theory of evolution is simply about how to explain biological change. Change is neither random nor by design. Modifications in the environment drive change.

Cystic fibrosis (CF) is an inherited disorder caused by a defect in the CFTR gene. Learn what causes cystic fibrosis and how it is inherited.