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Mammals in Medical News

Findings raise new questions about evolution of hormones in mammals

... used to examine hormones in feces and urine of mammals in the wild are yielding surprising results about ... of noninvasive techniques such as tracking mammals to gather feces, and sensitive assays for fecal ... behavior, social systems and hormone function in mammals in the wild. "Previously, much of the information ...

CSHL scientists are part of consortium that sequences platypus genome

... The monotremes diverged from other primitive mammals about 166 million years ago, in the late Jurassic ... pouches for extended periods of time. Eutherian mammals like mice and humans protect their progeny for ... of gestation, being egg-layers; yet like other mammals the female platypus feeds her newborn with milk, ...

Researchers Publish Genome Sequence for Duck-Billed Platypus

... One of the few mammals that lays eggs offers clues to evolution of all ... of the duck-billed platypus, one of the few mammals that lays eggs. The research offers clues ... of the platypus genome to those of other mammals will provide new insights into the history, ...

'Power napping' in pigeons

... birds are the only taxonomic group other than mammals to show both SWS and REM sleep. Interestingly, ... evolution of similar sleep states in birds and mammals might be related to the fact that each group also ... The way sleep is regulated in birds and mammals seems to be more similar than previously thought. ...

Mercury in Fish is a Global Health Concern

... and the United Nations. "Mercury contamination of fish and mammals is a global public health concern," said Michael Bender, co-coordinator of ... the average mercury content of fish. In cultures where fish-eating marine mammals are part of the traditional diet, mercury in these animals can add ...

Sound Pharmaceuticals Receives Additional DoD Funding for Its Hearing Regeneration Product

... technology for regenerating auditory sensory cells within the inner ear of mammals involving p27Kip1, a cyclin dependent kinase inhibitor or CKI. CKIs shut ... cellular quiescence or terminal differentiation. In the hearing organ of mammals (cochlea), p27Kip1 prevents cellular proliferation and regeneration. For ...

Radiation for health

... "When beliefs are abandoned and evidence from only whole body exposures to mammals is considered, it becomes obvious that increased ionizing radiation would ... about the real effects of ionizing radiation - radioactivity - on humans, mammals and biotopes." He adds that, the paper, "is part of the movement we - ...

Domestic cat genome sequenced

... generations to Sweden, has been sequenced. Cinnamon is one of several mammals that are currently being analyzed using light (two-fold) genome sequence ... rearrangements that have occurred among the different lineages of mammals since they diverged from a diminutive ancestor that roamed the earth among ...

Study expected to boost research for hearing and balance therapies

... 2007) Birds, fish and amphibians can do something that humans and other mammals generally cannot: re-grow damaged or lost inner ear hair cells. Loss ... supplies and accelerate therapeutic advancements. Humans and other mammals only produce hair cells before birth and lose them over time. People lose ...

Mouse vision has a rhythm all its own

... known that the roughly 24 hour circadian clock controlling behavior in mammals is located in the brains suprachiasmatic nucleus (SCN), Weitz explained. ... the regular ebb and flow of retinal gene activity. "Circadian clocks in mammals are widely distributed, but except for the SCN clock known to regulate ...

Rabies: How to Protect Yourself and Your Pets

... CHAPEL HILL, N.C., July 17 /PRNewswire/ -- Rabies is a virus that occurs in mammals and infects the central nervous system; the disease can cause death in humans if it is not treated. Nearly 90 percent of cases occur in wild animals ...

Chance to Protect Babies from Toxic Chemicals Faced by CA State Assembly

... of flame retardant chemicals and other persistent organic pollutants," says marine biologist Holly Lohuis of the Ocean Future's Society. "Marine mammals are so similar in biology to humans, I had myself and my four year old son tested and to my horror, we are both contaminated, my son's levels were ...

K-State Veterinarian Says Although Exotic Pets Can Be Great Companions, There Are Health Factors That Can Affect Both the Animal and Humans

... to be at risk of carrying salmonella, and there have been reports of other diseases, including chlamydia, in pet birds. Rabies also is a concern for mammals if they go outdoors. However, unlike dogs and cats, exotic pets like reptiles can carry diseases like salmonella without getting sick -- but ...

Estrogen linked to lowered immunity in fish

... Laura Robertson, revealed that largemouth bass injected with estrogen produced lowered levels of hepcidin, an important iron-regulating hormone in mammals that is also found in fish and amphibians. This is the first published study demonstrating control of hepcidin by estrogen in any animal. ...

New Insight Into Primate Eye Evolution

... could be a mechanism for evolutionary change," Dyer said. "In other words, maybe the parts of the human brain that are bigger than in other mammals are bigger simply because the period of their growth is extended during fetal development." In their analysis, Dyer and his colleagues compared ...

Trauma experienced by a mother even before pregnancy will influence her offspring's behavior

... of the Georgetown University School of Medicine, is the first to examine these influences. The researchers chose to investigate rats, as social mammals with cerebral activity that is similar in many ways to that of humans. The present study examined three groups of rats: one group was put through a ...

Expression of infrared fluorescence engineered in mammals

... (GFP) and a series of important developments which have led to its use as a tagging tool in bioscience. The limitation of using GFP in living mammals is that its wave lengths are not long enough to allow light to penetrate far enough to allow inner cells to glow with fluorescent light. First ...

Remembrance of Fat May Be at Root of Cravings

... molecular glue that makes memories stick," neuroscientist Daniele Piomelli, a co-author of the study, said in a university news release. "By helping mammals remember where and when they have eaten a fatty meal, OEA's memory-enhancing activity seems to have been an important evolutionary tool for early ...

Stanford researcher's discovery of ion channel turns ear on its head

... it's ever been done before." Ricci and colleagues also used hair cells from rats, while previous experiments had been done in bullfrogs. Because mammals have fewer, more widely spaced rows of stereocilia, the team was able to determine the precise location of the ion channels. "They chose their ...

Worms Control Lifespan at High Temperatures, UCSF Study Finds

... animal to maintain a more normal rate of aging even if the temperature rises, Kenyon said. Previous research also has linked the rate of aging in mammals with temperature. If mice are tricked into thinking that they are in a hot climate, they lower their body temperature and live longer. While ...

Molecule prompts damaged heart cells to repair themselves after a heart attack

... days afterward near the site of the heart attack, the scientists reported. Further studies will examine whether the same events occur in larger mammals and which receptors are responsible for the action of this molecule. ...

CSHL neuroscientists propose project to comprehensively map mammalian brain circuits

... dollars ranging up to perhaps $20 million, depending on the redundancy in coverage that we commit to." To date, research on the brains of mammals typically, rodents and non-human primates has described, using a multitude of different techniques, only a small fraction of the total set of ...

Syracuse University researchers build a new surface material that resists biofilm growth

... This is the tale of two biological substancescells from mammals and bacteria. It's a story about the havoc these microscopic entities can wreak on all manner of surfaces, from mighty ships to teeth and medical ...

Animals Respond to Acupuncture's Healing Touch

... for nerves and blood vessels that, when manipulated, somehow aid healing, experts say. Acupuncture works in humans, horses, dogs, cats and other mammals "because all our bodies share similar features," explained Dr. Mark Crisman, a professor at the Virginia-Maryland Regional College of Veterinary ...

American Chemical Society's Weekly PessPac -- Feb. 18, 2009

... sea anemones, plankton, and coral. Lower pH levels may even affect the ability of the ocean to transmit sound, which could affect the way some mammals communicate by sonar, the article notes. "To what extent the oceans will continue to acidify is uncertain and whether marine organisms can adapt to ...

Senesco Announces Results of Pre-Clinical Efficacy, Toxicology and Dose Ranging Studies for Multiple Myeloma Therapeutic Candidate

... is a U.S. biotechnology company, headquartered in New Brunswick, NJ. Senesco has initiated preclinical research to trigger or delay cell death in mammals (apoptosis) to determine if the technology is applicable in human medicine. Accelerating apoptosis may have applications to development of cancer ...

Ten new amphibian species discovered in Colombia

... communities in the world, with 754 species currently recorded. In addition to the new discoveries, the expedition recorded the presence of large mammals such as Baird's tapir (Tapirus bairdii), listed on the IUCN Red List as Endangered in Colombia, and four species of monkeys, including Geoffroy's ...

Canada-US scientists discover gene responsible for brain's aging

... of free radicals. "Overall, we have now established that the Bmi1 gene is a direct regulator of cell aging in brain and retinal neurons of mammals through its action on the defense mechanisms against free radicals," says Dr. Bernier. ...

New model system may better explain regulation of body weight

... The well-known tendency for body weight to remain stable in spite of changes in diet or energy expenditure observed in both humans and other mammals led to the development of the "set-point" hypothesis, which holds that an individual's metabolism acts to oppose changes to a physiologically ...

Holiday Weight Gain May Contribute to Sleep Apnea Extra Pounds May Produce Severe Problems for Adults

... sleep, says Lawler of www.thecenterforsoundsleep.com . With the exception of certain flat-faced dogs, such as bulldogs, humans are the only mammals that suffer from sleep apnea, a common, but dangerous condition where the upper airway in the throat closes off during sleep. Just like bulldogs, ...

Heska Announces Q3 2008 Results

... segment includes revenue from private label vaccine and pharmaceutical production, primarily for cattle but also for other animals including small mammals and fish. In the third quarter of 2008, this segment generated product revenue of $2.4 million, down 29% as compared to $3.4 million in the third ...

Senesco Technologies to Present at 10th Annual Rodman & Renshaw Healthcare Conference

... by more than 350 companies. About Senesco Technologies, Inc. Senesco has initiated preclinical research to trigger or delay cell death in mammals (apoptosis) to determine if its technology is applicable in human medicine. Accelerating apoptosis may have applications to the development of cancer ...

GeneThera - CHANGING DIRECTIONS - an Update to Shareholders

... the history page for detailed information. Johne's disease occurs in a wide variety of animals, but most often in ruminants. Ruminants are hoofed mammals that chew their cud and have a four-chambered stomach. Some of the more common ruminants are: cattle, sheep, goats, deer, antelope, and bison. ...

Scientific hunch poised to save thousands from toxic fish poisoning

... results in acute nausea, vomiting and painful gastrointestinal episodes is caused by eating fish that have fed on a micro algae that are toxic to mammals and often associated with large algal blooms known as red tides. Cases of ciguatera poisoning have been documented for more than 200 years and ...

Certain anti-cancer agents could be harmful to patients with heart disease

... a chain of biochemical signals that regulate cellular growth and differentiation. The odd term hedgehog has little to do with the small, spiny mammals it originated when scientists noted the spiky, hedgehog-like appearance of fly embryos with abnormal hedgehog genes. Every organism in the animal ...

Senesco Expands on Preclinical Multiple Myeloma Findings

... is a U.S. biotechnology company, headquartered in New Brunswick, NJ. Senesco has initiated preclinical research to trigger or delay cell death in mammals (apoptosis) to determine if the technology is applicable in human medicine. Accelerating apoptosis may have applications to development of cancer ...

Gut Bacteria Fights Inflammatory Bowel Disease

... in mice, U.S. researchers say. IBD includes Crohn's disease and ulcerative colitis. It has long been known that the guts of humans and other mammals contain about 1,000 different species of bacteria that protect against infection and aid digestion. It has also been suspected that recent increases ...

Preference for alcohol in adolescence may lead to heavy drinking

... scientists should be looking for, that are related to the early experiences of drinking, said Schramm-Sapyta. Based on the fact that rats are mammals with a genome similar to that of humans, Schramm-Sapyta said, We can cautiously extrapolate from rodents to humans. The findings suggest that early ...

Mice Can Sense Oxygen Through Their Skin

... Diego. It's long been known that amphibians can breathe in part through their skin, but the finding that skin plays a role in oxygen sensing in mammals was a surprise, Johnson said. This suggests that oxygen-sensing in skin is an ancient feature and was retained during the evolution of mammals. ...

When poor communication pokes you in the eye

... The development of the eye in mammals (and this naturally includes humans) is an extraordinarily complex process beginning in an early embryonic phase. The same applies also to the ...
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(Date:7/28/2014)... advance the genetic engineering of "fuel" crops for ... by researchers with the U.S. Department of Energy ... led by Lawrence Berkeley National Laboratory (Berkeley Lab). ... enables scientists to identify and characterize the function ... biosynthesis of plant cell walls. , "Our unique ...
(Date:7/28/2014)... virus killers to prevent and treat HIV infection has ... response these molecules can arouse as they get rid ... at the Weizmann Institute and the National Institutes of ... these molecules interferons around the time of ... the disease. Their research appeared in Nature . ...
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