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A gene's first 'kiss' sets off that affair known as puberty

...just how and when the brain activates this process has been a great mystery. An appreciation of puberty's deep-seated neurobiological mechanisms could, for instance, help prevent precocious or delayed puberty from occurring in some children," noted the study's lead author, Tony Plant, Ph.D., a professor ...

Chemists create 'Superbowl' molecule; May lead to better health

...wls: four on the outside and one on the bottom. It has an open top, much like an open-air stadium. Its ge... he says, but cautions that the superbowl molecule has not yet been tested in animals or humans. Until then, no one knows yet when this experimental molecu...

DNA Molecules Used To Assemble Nanoparticles

...ment," Choi said. But now that the assembly system has been worked out, other forms of dendrimer clusters are in the works. "If you wanted to make a therapeutic that targeted five drugs to five different cells, it would be 25 synthesis steps the traditional way," Baker said. At two to three months per s...

Bioartificial kidney under study at MCG

...he Medical College of Georgia. MCG Medical Center has joined a study taking place in intensive care unit...and over the past 20 years, despite dialysis, that has not changed much." He hopes the new device, developed by Dr. H. David Humes at the University of Mi...

Viral DNA sequence a possible trigger for breast cancer

...hat role this sequence plays in cancer development has remained unexplored. Katz and colleagues now show...or virus-induced breast cell transformation, which has largely been attributed to the integration of viral DNA into locations that trigger the expression o...

Wisconsin scientists grow critical nerve cells

...tem cells] to change step by step, where each step has different conditions and a strict window of time," says Zhang. "Otherwise, it just won't work." To differentiate into a functional spinal motor neuron, the stem cells advanced through a series of mini-stages, each requiring a unique growing medium a...

New push for public health, AIDS spending at African Union summit

...at inhibit the progression of their disease, which has no known cure. But demand for free drugs vastly outstrips their supply, the cost of the drugs - at some $US600 annually for the rest of a patient's life, an impossible dream on the continent. Generic versions of the drugs have been priced at roughl...

Man and mouse share genome structures

...8, 2005 issue of Cell. "Now that the human genome has been sequenced, it is vital to learn how the genom...nd Harvard Medical School. "Every one of our cells has the same genome, yet is completely different. Muscle cells are different from neurons. They are diff...

Molecular biology fills gaps in knowledge of bat evolution

...fornia, Riverside Biology Professor Mark Springer, has published a paper in the Jan. 28 issue of the journal Science that uses molecular biology and the fossil data to fill in many of the gaps. Springer coauthors the paper, titled A Molecular Phylogeny for Bats Illuminates Biogeography and the Fossil Re...

A new mechanism of regulating RNA degradation

...way for RNA degradation, a form of regulation that has garnered significant attention in recent years, and one that has the potential to produce a new set of tools for physicians to use to fight disease. Most of the gen...

FDA Approves Human Hookworm Vaccine for Phase I Safety Trials

...way for RNA degradation, a form of regulation that has garnered significant attention in recent years, and one that has the potential to produce a new set of tools for physicians to use to fight disease. Most of the gen...

Spleen may be source of versatile stem cells

...tances. In some other animals, however, theprotein has an intriguing function: when creatures like newtsr...to help with many more biologicalemergencies. What has been considered a practically unnecessary organmay actually provide critical healing cells," says Fa...

Genes In The Interferon System Important In Systemic Lupus Erythematosus

...of the interferon systemin a number of works. This has led to the recognition of theirhypothesis in the l...ay it represents a white-hot fieldof research that has attracted a great deal of interest in thepharmaceutical industry. This picture has now been further ...

UCSB scientists probe sea floor venting to gain understanding of early life on Earth

...mal fluid discharge into the Earth's oceans, which has been occurring ever since the oceans first formed four billion years ago. Conditions below the sea floor may most closely mimic the environment when life began. "There is a great deal of interest in the microbes of the Earth's crust because the stra...

UAB scientists discover the origin of a mysterious physical force

... when thin films form in detergents. The discovery has been published in today's edition of Physical Review Letters. Water is the solvent in which most physical, chemical and biological processes take place. Therefore, it is essential to understand the nature of interactions between molecules dissolved ...

Researchers discover way to make cells in the eye sensitive to light

...elanopsin is capable of makingcells photosensitive has given us a unique opportunity to study thecharacte...rods andcones. However, over the last few years it has become increasinglyaccepted that we have a third system, which uses melanopsin, that haslain undetec...

Quantum Dots Research Leads to New Knowledge about Protein Binding in Plants

...e at http://nanotechweb.org.Journal Nanotechnology has an international readership among academic,government and corporate sectors, and is dedicated to coverage of allaspects of nanoscale science and technology from a multidisciplinaryperspective.Ozkan and his colleagues utilized cadmium selenide (CdSe) ...

Source of molecular triggers in cutaneous T cell lymphoma identified

...the immune system. Finding CTCL triggering factors has been a major goal of Richard L. Edelson, M.D., Dir...the malignant cells rapidly divide. "This finding has broad implications for the understanding, diagnosis, and treatment of CTCL, as well as potentially c...

University of Manchester makes made-to-measure skin and bones a reality using inkjet printers

...s that infusethe cells into the structure after it has been built."The problem is getting cells into the interior of these constructionsas they naturally stick to the sides of whatever they are beinginserted into. If they stick to the sides then this limits the numberof cells which can grow into tissues,...

W.M. Keck Foundation funds study of friendly microbes

...e microbial communities, in health and in disease, has been hampered because the majority of gut bacteria.... "We very grateful to the Keck foundation, which has committed itself to funding high-risk projects designed to overcome key obstacles in emerging fields...

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