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Stem Cell Research Shows Potential for Replacing Tissue Damaged in Heart Attacks

A Medical College of Wisconsin research team, led by John W. Lough, Ph.D., professor of cell biology, neurobiology and anatomy has found that embryonic stem cells (ES cells) in animals can be cultivated to form new tissue, which eventually may help doctors learn how to replace tissue damaged as a result of a heart attack. The potential for ES cells to replace damaged or diseased cells in...

Tsunami-damaged coral reefs should be left to recover naturally, say scientists

Coral reefs damaged in the Asian tsunami tragedy should be allowed to recover naturally before countries launch into expensive restoration plans, according to some of the world's leading scientists. The scientists, led by a researcher from the University of Newcastle upon Tyne, and who set out their views in an advisory brief for the World Bank, point to historical records of major coral...

Logging changed ecological balance for monkeys, damaged health

Twenty-eight years after intense selective logging stopped in the region now known as Uganda's Kibale National Park, the red-tailed guenon (Cercophithecus ascanius) is a primate still in decline. The logging practice, scientists report in a new study, changed the ecological balance for these monkeys, leading to behavioral changes and opening the door for multiple parasitic infections. The...

New study finds how cells with damaged DNA alert the immune system

Research led by biologists at the University of California, Berkeley, has found that damage to a cell's DNA sets off a chain reaction that leads to the increased expression of a marker recognized by the body's immune system. The new findings, to be published July 3 in an advanced online issue of Nature, shed light on a long-standing question of how the natural killer (NK) cells - which are...

Scientists get first glimpse at how plants, most animals repair UV-damaged DNA

For the first time, researchers have observed exactly how some cells are able to repair DNA damage caused by the sun's ultraviolet (UV) radiation. This enzyme is missing in all mammals, including humans, although all plants and all other animals have it. Greater un...

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New drug to treat Heart Attack and damaged tissue

If a blood vessel in blocked the related tissue experiences ischemia, a state of low oxygen supply that slowly kills the tissue. They are referred as Ichemia / Reperfusion (IR) injury occurs during heart attacks. Understanding Ischemia / Reperfusion leads to the development of new drugs to save the damaged tissue and treat heart attack. During Ischemia / Reperfusion, Early growth respons...

Artificial discs available as replacements for damaged discs

Patients with damaged discs have traditionally been treated by removing a disc or placing a bone graft in the spine to fuse two bones together. Now, an artificial disc which is being studied as a replacement is in the second phase of trials. The phase one study that was recently completed compared the prosthesis to traditional fusion. While in the first phase of trials patients// were randomized,...

Damaged Heart Rejuvenated By Stem Cells

The routine therapies which are offered to patients with heart attack calm disease progression but do not help repair the heart.// Embryonic stem cells, which are totipotent, may be a potential source for regeneration of heart function and form after heart attacks. These cells have a promising future in this regard. This has been explained by a research student who feels that embryonic...

Its Possible To Grow Bone To Replace The Damaged Bone

If bone growth is encouraged at some other part of the body, it is possible to use// the new growth for grafting the damaged bone. Researchers for the study, who will publish their report online next week in the Proceedings of the National Academy of Sciences, had made a departure from the usual practice of tissue processing to develop a new way for bone repairing. The c...

Muscle Derived Stem Cell Can Repair Damaged Cartilage

Researchers have now unraveled the potential of stem cells in the repair and treatment of damaged cartilage. It is now possible to harvest stem cells from muscle tissue // of injured rats and genetically engineer the same to induce expression of a therapeutic protein (bone morphogenetic protein 4, BMP-4, capable of repairing damaged cartilage. It is possible that such a repair mechanism can be in...

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Breaking Biology News(10 mins):Wildfires cause ozone pollution to violate health standards, new study shows 2Wildfires cause ozone pollution to violate health standards, new study shows 3Europe rallies behind nanotechnology to wean world from fossil fuels 2Europe rallies behind nanotechnology to wean world from fossil fuels 3Europe rallies behind nanotechnology to wean world from fossil fuels 4Stabilizing force for good communication between neurons and muscle cells found 2National Spokeswoman Eva Longoria Parker to Accept 24200 000 Donation From AT 26T to Benefit PADRES Contra El Cancer 13207 1National Spokeswoman Eva Longoria Parker to Accept 24200 000 Donation From AT 26T to Benefit PADRES Contra El Cancer 13207 2National Spokeswoman Eva Longoria Parker to Accept 24200 000 Donation From AT 26T to Benefit PADRES Contra El Cancer 13207 3National Spokeswoman Eva Longoria Parker to Accept 24200 000 Donation From AT 26T to Benefit PADRES Contra El Cancer 13207 4Pelvic Floor Disorders Affect 1 in 3 Women 13203 1Pelvic Floor Disorders Affect 1 in 3 Women 13203 2UPDATED 3A Catholic Healthcare West and SEIU Begin Negotiations for 15 000 Hospital Workers 13199 1UPDATED 3A Catholic Healthcare West and SEIU Begin Negotiations for 15 000 Hospital Workers 13199 2UPDATED 3A Catholic Healthcare West and SEIU Begin Negotiations for 15 000 Hospital Workers 13199 3Futronic Announces Microsoft Vista and Windows 2008 Server Support for Its Fingerprint Logon Software 2373 1Futronic Announces Microsoft Vista and Windows 2008 Server Support for Its Fingerprint Logon Software 2373 2
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