Tag: "severe" at biology news
Dangerous Chemical Combination Presents Possible Scenario For Gulf War Illnesses
...ombination of all three chemicalsproduced the most severe
signs, resulting in total paralysis or death insom...mpounds, and this may account for some of the more severe
symptoms seenin up to 4 percent of the Gulf War veterans," said Abou-Donia. An estimated700,000 mili...
Gene-Altered Mouse May Provide New Insights To Parkinson's Disease, Substance Abuse And Schizophrenia
...ocaine or amphetamine addicts or the permanent and severe
delusionsexperienced by schizophrenics. On the other hand, the lack of dopamine inthe brain's motor areas produces the symptoms of Parkinson's disease. "Virtually every addicting substance appears to modify the dopaminesystem, implying it may have a...
Key to Triplet Repeat Brain Diseases Open Door For New Way To Understand, Treat Genetic Diseases"
...of genetic repeatsin these diseases determines how severe
symptoms will be: More repeats producea protein that holds this "energy" enzyme more tightly, producingwidespread nerve cell failure in the brain. The work offers biomedical researchers a new way to understand, and to potentiallytreat these genetic...
Heat-loving Microbe Repairs Its DNA With Light
...wth medium(pH=3) at about 80 degrees Celsius. Such severe
conditions oftencause DNA and other cellular materials to decompose. So, Groganhas been looking at how this microbe managed to protect itself. "Since the precise structure of DNA is essential for life and reproduction, it would seem logical that th...
From Corn Rootworms To Art, Cornell's Reactor Is At The Core
...model important in understanding the potential for severe
accidents in nuclear reactors....
Race Plus Roaches: A Breathtaking Link
...7 urban and 50 suburban homes. All had moderate to severe
allergic asthma. The researchers hunted for evidence of two different cockroach allergens, called Bla g1 and Bla g2, in the floors, bedding and stuffed furniture of homes. The allergen samples were collected using a handheld vacuum cleaner equipped ...
Mutate Or Die: New Polymerase Gives Desperate Yeast An Option
... can't keep up with the damage, or thedamage is so severe
that even the body's internal editors can't fix it before replicationoccurs. Unrepaired damage usually stymies polymerases, whichnormally zip along a section of DNA, copying nucleotidesuneventfully and assembling new strands of DNA. Zeta, howeve...
Enticed By A Chemical Tease, Female Beetles Are Rewarded With A Nuptial Gift To Protect The Next Generation
...listering reputation to cantharidin, which causes severe
irritation of the skin when touched -- and of the urogenital tract when swallowed. Because of its purported stimulative effect, cantharidin was one of the first natural compounds to undergo scientific investigation, beginning early in the 19th centu...
Low-Protein Diet May Reverse Kidney Disease
...rotein diet with amino acid supplements may cure a severe
kidney disease in some people, a Johns Hopkins stu...omeruli, the kidney's filtering units. This causes severe
loss of protein from the blood into the urine, severe
fluid retention and extremely high blood chole...
Researchers Find Genetic Clues To Intestinal Disease
...h causes painful inflammation of the intestine and severe
diarrhea, may appear in one of three forms: 1) a r...hn's disease. This type of earlier onset of a more severe
form of a hereditary disease in the child than in the parentis called genetic anticipation. The stud...
North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago
...says. This resulted in anextinction intensity most severe
downrange of the impact in North America. The stud...rst region to experience thefireball, had the most severe
extinctions of plants. After the devastation, ferns dominated the flora of central North America.Fe...
Northwestern Scientists Discover How Herpes Simplex Virus Infects Cells
...he genitalia, corneal destruction,encephalitis and severe
disease of newborns. The virus can bind to manytypes of human cells but is capable of penetrating only certain cell types. Rebecca Montgomery, a research associate in Spear's laboratory, cloned ahuman gene that induces production of a protein that al...
Bacterial Protein Structure Hints At Mechanism Of A Class Of Premature Aging Diseases
...omosomes,any malfunction would be expected to have severe
consequences. "No one knows anything about arresting helicases in the human system,"Bastia said. "There's zero information in the literature." The events taking place between the genetic flaw and its expressionas a disease are unknown. "...
Siblicide In Nature: Study Of Galapagos Seabird Finds Death Can Ensure Species Survival
... boobies only engage in siblicidal behavior during severe
food shortages when the first-born bird drops below 75 percent of normal body weight. Blue-footed booby chicks were put in masked booby nests and vice versa, to determine whether parents, or offspring, or both, controlled the siblicide. In masked b...
Scientists Identify Gene For Sexual Behavior In Male Flies
... fru gene have subtle changes intheir songs. With severe
mutations, the flies do not sing a note, thoughthey can flick their wings and can use them to fly. (courtesy: JeffreyHall, Brandeis University) Geneticists have known for years that the gene, called fruitless and nicknamed fru , influences sexual o...
Bottom-up Ecological Processes Better For Clear Waters, Study Finds
...cation, algae can deplete oxygen,killing fish, and severe
algae blooms can water to smell and taste foul. Unnaturally murky lakes are more commonly found in the middle and easternUnited States and Europe. Eutrophication was responsible for the dramaticdecline in water quality seen in several of the Great L...
Learning From Birds And Bees: Engineers Study Insects For Ideas On Tiny "Micro Air Vehicles"
... and birds." Beyond basic aerodynamic techniques, severe
weight restrictionsdemand new types of flight controls, power sources, propulsion systemsand avionics to fit within the 50 grams (two ounces) allowed for thevehicle and its payload. Full-sized aircraft use motors and hydraulic actuators to move wing...
Blood Test Can Identify Some Children With Strep-Related Behavioral Disorders
...cs, particularly those ofTourette syndrome, a more severe
form of tic disorder, are debilitating tochildren, who may be ostracized by peers, teachers and others. Susan Swedo, M.D., the study's lead author and head of behavioral pediatricsat the National Institutes of Mental Health, said there is mounting ...
NIH Team Discovers Endocrine Tumor Gene
...EN1 may be too much gastrin in blood, which causes severe
stomach ulcers that are sometimes fatal. Some islet cell tumors may become malignant and result in a lethal form of pancreatic cancer. The discovery of the gene emanated from the unique collaboration of four different research teams at the NIH and ...
Duke Study Shows Early Marrow Transplant Key To 'Bubble Boy' Disease Cure
...cal Center are reporting thatthe disease, known as severe
combined immune deficiency (SCID), can be curedin many cases if diagnosed and treated early enough. A 15-year study by Duke physicians shows that more than 90 percentof babies born with the disorder can be given a healthy immune system ifthey...
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