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Tag: "detrimental" at biology news

Brain inflammation may be friend, not foe, for Alzheimer's patients

...vents that scientists have widely considered to be detrimental in people with the disease. The findings could also renew efforts to develop a vaccine or other strategies against Alzheimer’s by engaging the body’s immune system. The team expected to see the telltale clumps of material known as amyloid plaques,...

Premature births may be linked to seasonal levels of pesticides and nitrates in surface water

... as well as to other environmental contaminants is detrimental to many outcomes of pregnancy. As a neonatologist, I am seeing a growing number of birth defects, and preterm births, and I think we need to face up to environmental causes," said Dr Winchester, who is also director of Newborn Intensive Care Services...

Palau's coral reefs show differential habitat recovery following the 1998 bleaching event

Coral reef bleaching, believed to be one of the detrimental effects of climate change, may receive a welcomed "buffer" through effective local management, according to new research by a team of scientists recording the long-term recovery of coral reefs in Palau and elsewhere. "It appears that coral reefs are...

Chemical maps hint at drug's effects on schizophrenia

...t for the disease but not those that could lead to detrimental side effects." Although some lipids are known to have detrimental effects on human health -- such as high levels of cholesterol that lead to heart disease -- many lip...

UTSA researchers examine effects of global warming on Antarctic

...rnmental Panel on Climate Change report citing the detrimental loss of sea ice sheets in the Arctic due to global warming echoes what many in the scientific community have been saying for years. Now researchers at The University of Texas at San Antonio's Department of Earth and Environmental Science are turni...

Smell may outlast other senses

...d the study suggested that aging alone had a small detrimental effect on smell. “However our sense of smell is vulnerable to both the direct effects of some medications and changes associated with a number of neurodegenerative illnesses. Exposure to these factors typically increases with age.? Anticholeste...

Mechanisms involved with tumor relapse identified

...d range of immune responses - some of which may be detrimental or may induce tumor relapse," said lead investigator, Masoud H. Manjili, D.V.M., Ph.D., a member scientist with the Massey Cancer Center. "Ultimately, we hope to offer a new polypeptide vaccine approach that induces tumor killing without causing H...

Putting an old drug to a new use

...o dangerous anemias, but also too much iron can be detrimental as iron promotes the formation of toxic radicals leading to tissue damage. Iron overload is the consequence of one of the most common genetic disorders in Europe, hereditary hemochromatosis, which affects about one in 300 Europeans. Excess iron also ...

Meat and two neutrons -- the key to a longer life

...duce bodily constituents and DNA more resistant to detrimental processes, like free radical attack. The isotopes replace atoms in susceptible bonds making these bonds stronger. 'Because these bonds are so much more stable, it should be possible to slow down the process of oxidation and ageing,' Shchepinov says....

Does a peptide affect the heart's response to social isolation?

...tes social behavior, has found that it can prevent detrimental cardiac responses in adult female animals exposed ...mines whether oxytocin plays a role in the heart’s detrimental responses to social isolation. The Study: Summary of Methodology Adult female prairie voles w...

New research shows why too much memory may be a bad thing

...emory storage, and that excess neurogenesis can be detrimental to some memory processes." "We believe these findings have important implications for diverse disciplines ranging from medicine to artificial intelligence," said Dr. Malleret. "In medicine, these findings have significant implications for possible...

Diabetes slows nerve recovery after heart transplant

Diabetes has a detrimental effect on a person's ability to recover from a hea...l Science in Baltimore, Md. "Our results confirm a detrimental effect of diabetes on the potential for recovery of sympathetic nerve fibers of the heart," added th...

Cigarette smoking impedes tendon-to-bone healing

...ed for a longer time in the shoulder joint. That's detrimental to healing. The researchers also noted that there ...ut this study is that we did not account for other detrimental chemicals in cigarettes. Rats were not exposed to carbon monoxide, tar or the other substances that ...

History-hunting geneticists can still follow familiar trail

...ncy for species to keep helpful genes and sift out detrimental ones, called "natural selection," preferentially affects mitochondrial diversity, making mtDNA less useful for population size estimates. "From a conservation perspective, when scientists look at census counts of animals and how the population siz...

Bacteria have their own immune system protecting against outside DNA

...e environment, H-NS turns these genes off to avoid detrimental consequences if all the disease-causing genes were to be expressed at once. These findings give scientists new insight into how bacteria can protect themselves from an invasion by foreign DNA, yet still take in genetic information from diverse sourc...

HIV-1's high virulence might be an accident of evolution

...ells following SIV infection, thereby limiting the detrimental effects otherwise caused by chronically strong immune activation. The HIV-1 Nef protein, and those of its closest related simian viruses, however, lack this protective function, leaving those infected susceptible to the heightened immune activation...

New research examines genetics of successful aging

...ss. The results of the study also highlighted the detrimental effects of cigarette smoking, excessive drinking and serious mental disorders on successful aging in both sexes. "The finding that genetics, lifestyle decision making, and their interactions, may influence the ability to reach old age with preserve...

Over-use of antibiotics in fish-for-food industry encourages bacterial resistance and disease

...use of antibiotics in the rearing of fish could be detrimental to the health of the fish, but also that of animal...earing of finfish is essential in preventing these detrimental effects to fish, animal and human health. ...

Can you hear me now? Scientists find previously unknown receptors on adult stem cells

... investigators suspect that the system also can be detrimental in certaincircumstances -- for example, in leukemia patients that are vulnerable toinfections after receiving bone marrow or cord blood transplants or inautoimmune diseases like lupus, where immunosuppressive treatments oftenleave the body subject to...

Cigarette smoke blocks cell repair mechanism, University of Florida study shows

...ise the DNA repair capacity of a cell. That can be detrimental for the cell and can lead to transformation or carcinogenesis." In their study, funded by the National Institutes of Health and the Miami-based Flight Attendant Medical Research Institute, UF researchers exposed normal breast epithelial cells to ci...

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