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Tag: "loss" at biology news

Researchers feed tiny pills of RNA to planarians to identify genes essential for regeneration

...ological research: stem cells, homeostasis (tissue loss and replacement), regeneration, and disease. "Pla...silenced genes affect both regeneration and tissue loss and replacement. Some of the genes were essential to homeostasis, but not regeneration, and 35 genes...

Researchers track down cause of a disfiguring bone disorder

...ic agents to treat individuals suffering from bone loss disorders" such as osteoporosis. "Therefore the findings stemming from this collaboration, along with the mouse models created, have clinical relevance in addition to addressing a fundamental problem in genomics." Working with Loots on the study wer...

University of Nevada, Reno research team discovers hormone that causes malaria mosquito to urinate

...ain salt in blood. "Only DH31 causes the massive loss of sodium chloride which causes the mosquito to pee," Schooley said. "Stimulation of this process when the mosquito is not feeding could make the mosquito die." Implications of this discovery, which is published in September's issue of the Journal...

Female volunteers prepare for a second 'bedrest'

...ffects of special measures designed to counter the loss of muscle, fluid and bone mass and the reduction of certain functions (such as cardiac function and movement). While the control group did not perform any particular activity, an 'exercise' group were put through their paces in regular exercise sess...

Missing Receptor Molecule Causes Tumor Growth

.... Prof. Krainer: "There can be two reasons for the loss of a receptor molecule like DR4. Firstly, the responsible gene could have been lost or damaged. Secondly, this gene could have been modified in a way which would prevent it from functioning." It was exactly the latter. Prof. Krainer and his team asce...

Nanoparticles carry cancer-killing drugs into tumor cells

.... Prof. Krainer: "There can be two reasons for the loss of a receptor molecule like DR4. Firstly, the responsible gene could have been lost or damaged. Secondly, this gene could have been modified in a way which would prevent it from functioning." It was exactly the latter. Prof. Krainer and his team asce...

Can't serve an ace? Could be muscle fatigue

... a bow and arrow. He said it could also result in loss of control over stride length during running - leading to stretched hamstrings and other injuries. "When a tennis player is serving, they don't watch where their shoulders are, they rely on the brain's knowledge of how much effort is required to mai...

New research could help us deliver genes for new bone formation

... benefits as trauma, degenerative disease and bone loss with old age all lead to patients needing orthopaedic procedures that require new bone. Professor Oreffo added "It is important that we explore the potential of new methods and biotechnologies to help meet the healthcare needs of an ageing populatio...

Fundamental discovery -- Bone fracture

...time the person becomes elderly, very serious bone loss may have occurred. "As if this weren't bad enough, it is also true that the materials properties of the bone decrease with age," said Hansma. "Not only is there less bone, but what exists is less strong. The cause of this is not well understood. Our...

Malfunctioning bone marrow cells sabotage nerve cells in diabetes

...ommon complication that causes pain and ultimately loss of sensation in the extremities and can lead to amputation. Previously, Chan and members of his laboratory had found that bone marrow cells were among a group of cells in organs other than the pancreas that unexpectedly produced small amounts of ins...

HIV Therapy Greatly Extends Life of Key T Cells, Scientists Find

...n. A hallmark of HIV infection is the progressive loss of CD4+ T cells (a key type of white blood cell) and the subsequent decline in the infected person’s ability to fend off disease. NIH clinical investigators pioneered the experimental use of IL-2 in HIV therapy to help boost the immune systems of peo...

New Lab Research May Help Those Deafened By Immune System Attack

...ndition, known as autoimmune sensorineural hearing loss or AISNHL, and help more people get a firm diagnos...tudy of 63 people with rapidly progressing hearing loss in Michigan, Pennsylvania and Indiana, and 20 people with normal hearing. The patients were suspecte...

Elderly mice yield clues to the process of growing old

...ir and weight loss, hearing and vision impairment, loss of muscle mass, weakened bones and fewer circulati...ious hallmarks of aging -- including graying, hair loss and atrophied muscle and bone -- at a pace much faster than the typical laboratory mouse. "It's lik...

U of MN researchers reverse memory loss in mice

...niversity of Minnesota were able to reverse memory loss in mice with significant brain degeneration for th...ey developed dementia; the mice experienced memory loss that worsens over time and had brain atrophy similar to what a person with Alzheimer's disease goes ...

Defect in gene causes 'neuralgic amyotrophy'

...l paralysis of the affected area. The pain and the loss of movement usually disappear within a couple of weeks, but sometimes recovery can take months or even several years. Many HNA patients also have particular facial features, such as eyes that are somewhat closer together, a fold in the upper eyelid t...

Proposal would allow wild animals to roam North America

...e United States, the species dynamics shifted. The loss of wolves and grizzlies allowed elk populations to...creased in the Yellowstone National Park area. The loss of willows has negatively impacted the numbers of nesting migrant songbirds. ...

Squeezing out dune plants

"Coastal erosion, global sea-level rise, and the loss of sand dune plant habitats" Researchers from Tex...nd and soil fertility. On Galveston Island, "the loss of such species is already occurring, where sea oats (Uniola paniculata) have disappeared due to a c...

Aloe vera coating may prolong freshness, safety of fruits and vegetables

...he gel-treated grapes were firmer, had less weight loss and less color change than the untreated grapes, measures which correspond to higher freshness, they say. A sensory panel (10 people) evaluated the quality of both the untreated and the gel-treated grapes by consuming some of the grapes. They found ...

Opiates Better Than Sedatives For Treating Newborns In Withdrawal

...iarrhea and vomiting that lead to excessive weight loss and dehydration, sleeping problems and fever. Disruption in the mother-child bonding process has also been reported, and there is an increased risk of sudden infant death syndrome. In the studies, newborns suffering from NAS were treated with opiate...

Researchers discover new route to hemoglobin synthesis

...iarrhea and vomiting that lead to excessive weight loss and dehydration, sleeping problems and fever. Disruption in the mother-child bonding process has also been reported, and there is an increased risk of sudden infant death syndrome. In the studies, newborns suffering from NAS were treated with opiate...

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