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How red blood cells nuke their nuclei
Unlike the rest of the cells in your body, your red blood cells lack nuclei. That quirk dates back to the time when mammals began to evolve. Other vertebrates such as fish, reptiles, and birds, have red cells that contain nuclei that are inactive. Losing the nucleus enables the red blood cell to... view more (2008-02-11)

Researchers discover new battleground for viruses and immune cells
Vaccines have led to many of the world's greatest public health triumphs, but many deadly viruses, such as HIV, still elude the best efforts of scientists to develop effective vaccines against them.   view more (2008-02-07)

More brain research suggests
Queensland Brain Institute (QBI) scientists have found another important clue to why nerve cells die in neurodegenerative diseases, based on studies of the developing brain.   view more (2008-02-07)

RNA-associated introns guide nerve-cell channel production
Researchers at the University of Pennsylvania School of Medicine have discovered that introns, or junk DNA to some, associated with RNA are an important molecular guide to making nerve-cell electrical channels.   view more (2008-02-06)

T cell immunity enhanced by timing of interleukin-7 therapy
That the cell nurturing growth factor interleukin-7 can help ramp up the ability of the immune system to remember the pathogenic villains it encounters is well known.   view more (2008-02-04)

Building stronger bones, 1 stem cell at a time
Mesenchymal stem cells (MSCs) are bone marrow-derived cells that are capable of giving rise to various cell types through a process known as differentiation.   view more (2008-01-25)

Deficient regulators in the immune system responsible for type 1 diabetes
The main regulators of the immune system, called CD4+Treg cells, are thought to be highly involved in a large range of immune diseases.   view more (2008-01-25)

Quality control mechanism tags defective sperm cells inside the body
Defective sperm cells do not pass through the body unnoticed. A new University of Missouri study provides evidence that the body recognizes and tags defective sperm cells while they undergo maturation in the epididymis, a sperm storage gland attached to the testis.   view more (2008-01-24)

Immunologists find better way to boost the immune system
Immunologists have discovered how to manipulate the immune system to increase its power and protect the body from successive viral infections.   view more (2008-01-23)

DFG remains skeptical of the cloning of human cells
According to a paper published in the journal Stem Cells, an American group has succeeded in inserting cell nuclei from human skin cells into human enucleated oocytes and to stimulate these new cells to undergo cell division in the laboratory.   view more (2008-01-23)

Cell division studies hint at future cancer therapy
When a cell's assets get divided between daughter cells, Dr. Quansheng Du wants to make sure both offspring do well.   view more (2008-01-23)

Stem cell research aims to tackle Parkinson's disease
Scientists in Sweden are developing new ways to grow brain cells in the laboratory that could one day be used to treat patients with Parkinson's disease, an international conference of biologists organised by the European Science Foundation (ESF) was told last week.   view more (2008-01-21)

Stem-cell transplantation improves muscles in MD animal model, UT Southwestern researchers report
Using embryonic stem cells from mice, UT Southwestern Medical Center researchers have prompted the growth of healthy - and more importantly, functioning - muscle cells in mice afflicted with a human model of Duchenne muscular dystrophy.   view more (2008-01-21)

A new view of drugs used to treat rheumatoid arthritis
Powerful drugs used to treat patients with rheumatoid arthritis have a profound, previously unrecognized effect on the immune system, breaking up molecular "training camps" for rogue cells that play an increasingly recognized role in autoimmune diseases like rheumatoid arthritis and lupus.   view more (2008-01-21)

Virtual biopsy cuts out need for diagnostic surgery
A non-invasive diagnostic tool to detect surface cancers quickly and painlessly using technology currently employed by gyms to calculate body composition has been developed by a QUT PhD medical physics researcher.   view more (2008-01-18)

Math Models Snowflakes
Three-dimensional snowflakes can now be grown in a computer using a program developed by mathematicians at UC Davis and the University of Wisconsin-Madison.   view more (2008-01-17)

Study helps explain how allergic reactions are triggered
In demonstrating that a group of calcium ion channels play a crucial role in triggering inflammatory responses, researchers at Beth Israel Deaconess Medical Center (BIDMC) have not only solved a longstanding molecular mystery regarding the onset of asthma and allergy symptoms, but have also... view more (2008-01-15)

Stem cells make bone marrow cancer resistant to treatment
Scientists at the Johns Hopkins Kimmel Cancer Center say they have evidence that cancer stem cells for multiple myeloma share many properties with normal stem cells and have multiple ways of resisting chemotherapy and other treatments.   view more (2008-01-14)

U of M researchers create beating heart in laboratory
By using a process called whole organ decellularization, scientists from the University of Minnesota Center for Cardiovascular Repair grew functioning heart tissue by taking dead rat and pig hearts and reseeding them with a mixture of live cells. The research will be published online in the January... view more (2008-01-14)

Common molecule notifies immune system of prostate cancer
In experiments with mice, researchers have found that the body's immune system can use a surprisingly common molecule to recognize prostate tumors. The molecule comes from a protein found in all cells of the body; however, immune cells appear to respond to it only when it is present on the surface... view more (2008-01-11)

Einstein researchers discover important clue to the cause of Parkinson's disease
A glitch in the mechanism by which cells recycle damaged components may trigger Parkinson's disease, according to a study by scientists at the Albert Einstein College of Medicine of Yeshiva University.   view more (2008-01-03)

Epilepsy and brain pathology linked together by the protein ADK
The brain of individuals who suffer from epilepsy is characterized by astrogliosis, a brain pathology evidenced by a complex series of changes in the morphology and function of brain cells known as astrocytes.   view more (2008-01-03)

Protein a possible key to allergy and asthma control
Activating a protein found on some immune cells seems to halt the cells' typical job of spewing out substances that launch allergic reactions, a study by Johns Hopkins researchers suggests. The findings could eventually lead to new treatments for allergic reactions ranging from annoying bouts of... view more (2008-01-03)

Protein a possible key to allergy and asthma control
Activating a protein found on some immune cells seems to halt the cells' typical job of spewing out substances that launch allergic reactions, a study by Johns Hopkins researchers suggests. The findings could eventually lead to new treatments for allergic reactions ranging from annoying bouts of... view more (2008-01-03)

Breast cancer cells have to learn to walk before they can run
Early-stage breast cancer that has not yet invaded the surrounding tissues may already contain highly motile cells, bringing the tumor one step closer to metastasis, report researchers at the Salk Institute for Biological Studies.   view more (2008-01-02)
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