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Tag: "developing" at biology news

Wisconsin scientists grow critical nerve cells

...e of the earliest neural structures to emerge in a developing embryo. With the ticking clock of development in mind, Zhang and his team deduced that there is only a thin sliver of time - roughly the third and fourth week of human development - in which stem cells could be successfully prodded to transform thems...

Enzyme, lost in most mammals, is shown to protect against UV-induced skin cancer

...so suggest that this enzymesystem may be useful in developing preventative therapies against skincancer. Ultraviolet light is a knownsource of damage to our DNA, but under normal conditions humans andother mammals are capable of removing UV-induced DNA damage by a DNArepair mechanism called nucleotide excision...

W.M. Keck Foundation funds study of friendly microbes

...ving to culture them in test tubes. They are also developing new computational methods for mining genome sequence data so that bacterial species can be more rapidly and accurately classified. A large publicly accessible database will be established that provides detailed molecular information about the gut eco...

Columbia research lifts major hurdle to gene therapy for cancer

...rs.Dr. Fisher's team is now altering the virus and developing additionalviruses based on the PEG switch for use in clinical trials withpatients. Other investigators associated with the PNAS study includeDrs. Zao-zhong Su (research scientist), Devanand Sarkar (associateresearch scientist) and Luni Emdad (postdoc...

Poor prenatal nutrition permanently damages function of insulin-producing cells in the pancreas

...nts with low birth weight have a high potential of developing type 2 diabetes later in life. In studies of mice,...nited States," she added. "But poor nutrition of a developing baby can occur in many ways other than inadequate nutrition of the mother. It also can occur with ab...

Fox Chase Cancer Center scientists identify immune-system mutation

...he genetic mutation that keeps a mouse strain from developing white blood cells, or lymphocytes, called helper T...en the normal form of this factor is active in all developing lymphocytes, it can redirect would-be killer cells to the CD4 helper T cell lineage. This indicates ...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...ca, a leading cause of severe diarrheal disease in developing countries, includes an unexpectedly complex repert...infections are one of the major health problems in developing countries and the number of people who are infected with amoeba cysts is enormous," he says. Typica...

Newly-discovered class of genes determines ?and restricts ?stem cell fate

...reviously had only been known to be expressed in a developing embryo. That was the first clue that we were on to...g stem cell biology may therefore be important for developing new therapies for cancer. Adult resident stem cells have been identified in many types of organs an...

Computers to be used to find blueprint for new influenza drug

...e when fears are rising that an influenza outbreak developing from Asian chickens could kill thousands of people. Professor Ian Williams, of the Department of Chemistry, will begin work in April on a project that could help pharmaceutical companies develop a better drug that could be taken by people coming dow...

Ecological destruction fuels emerging diseases

...ational scientific and economic initiative to help developing countries preserve the world's biodiversity. In the Guanacaste Conservation Area of northwest Costa Rica, a 1,000 square km (400 square mile) United Nations World Heritage Site that features habitats ranging from rain forests to savannas, the ATBI i...

A much-needed shot in the arm for HIV vaccine development

International efforts towards developing avaccine against HIV infection have been given a m...tly accelerate progress toward the critical goalof developing a safe and effective HIV vaccine to help curb the globalHIV/AIDS pandemic.""Being from the continent...

Breakthrough Microarray-based Technology for the Study of Cancer

... key tounderstanding cancer progression as well as developing possibletherapies and prognostic and diagnostic tools."Genomic alterations leading to changes in the number of gene copiespresent in cells are important events in the genesis and progression ofcancer," said Michael Bittner of the Translational Genomi...

Live Recombinant Adenovirus Vaccine Technique Explored

...e particularly beneficial for people living in the developing countries where resources are limited. Their resea...man papillomavirus (HPV) that could be used in the developing world. HPV causes 500,000 cases of cervical cancer each year worldwide. Recombinant HPV vaccines cur...

Mitochondrial DNA mutations play significant role in prostate cancer

...fthe mitochondrial DNA are at an increased risk of developing prostatecancer later in life. Interestingly, mitochondrial DNA is inheritedfrom your mother, so this may explain those familial cases that are notpassed from father to son, but rather through the unaffected mother toher sons."...

Clam embryo study shows pollutant mixture adversely affects nerve cell development

...scientist Carol Reinisch and her colleaguestreated developing surf clam embryos (Spisula solidissima) withdiffer...ertilized them in vitro, and added BCE to normally developing clamembryos. The investigators used a combination of antibodies and dyes toshow the presence of neur...

Study identifies predictors of HIV drug resistance in patients beginning triple therapy

...scientist Carol Reinisch and her colleaguestreated developing surf clam embryos (Spisula solidissima) withdiffer...ertilized them in vitro, and added BCE to normally developing clamembryos. The investigators used a combination of antibodies and dyes toshow the presence of neur...

Spider Venom Could Yield Eco-Friendly Insecticides

...ust a few minutes. King and his colleagues are now developing both engineered viruses and small-molecule mimics of the toxins in preparation for field trials. The Blue Mountains funnel-web spider is not the only source of insect-specific neurotoxins. Thousands of spider species yet to be studied represent an u...

BRCA1 causes ovarian cancer through indirect, biochemical route

...riers of its mutated form a four in five chance of developing breast cancer, it also confers a 40 percent risk of developing ovarian cancer by the age of 70. How that risk is imparted, however, had been harder to pin down. "...

Scientists decipher genome of fungus that can cause life-threatening infections

... sometimes involves a fatal brain inflammation."In developing countries, cryptococcosis has emerged as one of the mostcommon opportunistic infections, and a leading cause of meningitis andbloodstream infection," says Joseph Heitman, a senior communitycollaborator on the project who is James B. Duke Professor of...

Purdue proves concept of using nano-materials for drug discovery

...otherapy drugs more effective. The researchers are developing synthetic cell membranes to mimic the real thing and then plan to use those membranes to create chips containing up to 1 million test chambers. Each chamber would be covered with a membrane containing the proteins, and the chambers could then be used...

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(Date:4/20/2014)... and pancreatic cancers also promote drug-resistance and ultimately spur ... Diego School of Medicine have discovered a molecule, or ... that appears responsible for inducing tumor metastasis by enhancing ... The findings, published in the April 20, 2014 online ... to new therapeutic opportunities for reversing drug resistance in ...
(Date:4/18/2014)... in Peru found that 28 percent of the ... falsified. Many pills released the active ingredient too ... batch had no active ingredient at all. ... the Georgia Institute of Technology developed a sophisticated ... counterfeit drugs and then characterize their chemical composition. ...
(Date:4/18/2014)... NC Ancient DNA adds a twist to the story ... to be published April 21 in the journal Proceedings ... from the bones of chickens that lived 200-2300 years ago ... ago domestic chickens may have looked far different from the ... of the traits we associate with modern domestic chickens -- ...
Breaking Biology News(10 mins):Cancer stem cells linked to drug resistance 2Counterfeit contraceptives found in South America 2Counterfeit contraceptives found in South America 3Ancient DNA offers clues to how barnyard chickens came to be 2
(Date:4/20/2014)... cell in the lining of the bladder is responsible ... researchers at the Stanford University School of Medicine. , ... pinpoint the normal cell type that can give rise ... show that most bladder cancers and their associated precancerous ... many human bladder cancers recur after therapy. , "We,ve ...
(Date:4/18/2014)... prepped to enter the battle against infectious disease. ... in remote areas, thanks in part to knowledge ... International Space Station on the behavior of liquids. ... flow to diagnose infectious diseases such as HIV/AIDS ... at Northwestern University in Evanston, Ill., had been ...
(Date:4/18/2014)... have made a discovery that turns 160 years of ... material long known to be essential for the fast ... is not as ubiquitous as thought, according to a ... Harvard Stem Cell Institute (HSCI) and the University,s Department ... Professor Jeff Lichtman, of Harvard,s Department of Molecular and ...
(Date:4/18/2014)... worst memories? How did it make you feel? According ... personal experience, such as how sad you were or ... especially when you can,t stop thinking about it. ... the context of the memories, rather than how you ... alleviate the negative effects of these memories, a new ...
(Date:4/18/2014)... psychologists have made a brain-related discovery that could ... , This discovery opens up the possibility that ... a specific brain activity that the researchers have ... Journal of Neuroscience has just published ... an associate professor of psychology and his doctoral ...
Breaking Medicine News(10 mins):Health News:Stanford scientists identify source of most cases of invasive bladder cancer 2Health News:Stanford scientists identify source of most cases of invasive bladder cancer 3Health News:Stanford scientists identify source of most cases of invasive bladder cancer 4Health News:Stanford scientists identify source of most cases of invasive bladder cancer 5Health News:Space-tested fluid flow concept advances infectious disease diagnoses 2Health News:Space-tested fluid flow concept advances infectious disease diagnoses 3Health News:Finding turns neuroanatomy on its head 2Health News:Finding turns neuroanatomy on its head 3Health News:New study suggests a better way to deal with bad memories 2Health News:New study suggests a better way to deal with bad memories 3Health News:Scientists discover brain's anti-distraction system 2
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