Tag: "organ" at biology news
Enticed By A Chemical Tease, Female Beetles Are Rewarded With A Nuptial Gift To Protect The Next Generation
...accepts him for mating." Describing the cleft-like organ
in the male beetle's head where the enticing chemical appears, Eisner suggested that the insect is, in effect, saying: "I've got a lot more where this is from, but you can't have it until we mate." And what is this enticing chemical, males of many ...
Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs
... proof: The animals accept skin grafts--in effect, organ
transplants--from each other. "No one had found another wild animal that could tolerate skin transplants from other members of its species, so people disbelieved the cheetah results," says conservation biology pioneer Michael Soule, research professo...
Researchers Find Possible New Route to Making Cancer Cells Vulnerable
...sity Medical Center have shown how drugs that stop organ
transplantrejection also partially reverse drug re...emistry. They found that three drugs given to stop organ
transplant rejection-- cyclosporin, FK506, and rapamycin -- also block the cellular pump thatexpels...
Purdue Researchers Prod Plants To Clean Up Pollution
...ealth problems for people who ate the contaminated organ
meat. According to the World Health Organization, cadmium can damage human kidneys and other organs. High doses of cadmium are debilitating. Cadmium also can be toxic to plant tissue, but plants generally find ways to detoxify the heavy metal before ...
Duke researchers find existing drugs can stop fungus that attacks AIDS patients
...veredthat an existing class of drugs used to treat organ
transplant recipientsmay also help fight a type of...rugs cyclosporin and FK506,which are used to treat organ
transplant recipients, prevent C. neoformansfrom growing at body temperature, but not at room temper...
Stopping "Cellular Suicide" Could Boost Production In Biotech Labs
...ormalbiological occurrence that can promote proper organ
developmentand help toprevent cancer. But it's unwelcome in modern biotech labs, wherescientiststurn living cells into miniature pharmaceutical factories thatproduceproteins, enzymes, antibodies and viruses to help patients withan array ofillnesses. ...
Common Childhood Virus Poses Threat To Adults, Research Shows
...ection are those who have undergonechemotherapy or organ
transplants, as well as those with HIV. If a patient has a severe enough case of RSV to need the help of a breathingmachine, doctors can treat the infection with Ribovarin, an anti-viral drug.Doctors dissolve the drug in saline, and patients inhale ...
Purdue Researchers Track Oil Spill's Effects On Sea Otters
...in 1989 to review the direct effects of oil on the organ
systems of sea otters that died in the Exxon spill. He also was one of the scientific reviewers of the impact the spill had on wildlife in general. Snyder says there could be a multitude of reasons for the low otter numbers. They may simply have move...
Biological Clocks No Longer Found Only In The Brain
...prolonged absence of light, the brain was the only organ
in which the clock genes remained in sync. A mammalian variant of the clock gene recently was identified, and another similar gene also has been found throughout the body of mice. According to Kay, the discovery of many non-brain clocks in frui...
Garlic Prevents Hardening Of Aorta, New Study Shows
...er organs, but nowwe know that its a dynamic organ
in itself. The aorta helps keepother organs healt...io State tosuggest that as we get older, the first organ
to suffer is the aorta. The aorta stiffens naturally with age. For men, the process beg...
Gene Therapy Enables Transplantation Without Immunosuppressive Drugs
...gs nowrequired to allow a life-saving transplanted organ
to survive in a recipient'sbody without rejection ...d lead author on the study."So, to protect the new organ
from rejection, long-term drugs that suppress theentire immune system must be given, making the pers...
Human Cloning: Grappling With Reality Penn Bioethicist To Explore The Facts Behind The Hysteria
...als about thecreation of headless human clones for organ
parts and Chicago physicist Dr.Richard Seed's statements that he will soon clone human beings demonstratesthat our society is far from ready to grapple with the hard moral questionsraised by human cloning," states Arthur L. Caplan, PhD, Director of t...
Cancer Cells Self-Destruct When "Sweet Tooth" Is Thwarted
...out glucose. "The brain is the only important organ
that depends on glucose, so we needa drug that cuts off tumor cells' ability to get glucose but does not cross over into thebrain," says Dang. "It might even be possible to alter 2-deoxyglucose so it behaves in this manner." Dang and colleagues ...
Females' Siren Song Initiates Courtship Duets In African Frogs, Columbia Biologists Find
...obias had demonstrated that an isolated male vocal organ
can be stimulated toproduce the advertisement call. Though the researchers understood the neuraland anatomical basis for frog songs, they had no idea how the animals used thesongs until they were able to conduct field work. The discovery of ...
New Sensor Will Detech Chemical And Biological Pathogens At Incredibly Small Doses
...is) of a gram negativebacteria can cause clotting, organ
failure and subsequent death," Velander explains. Velander estimates there are several hundred WBAs that currently exist that caninduce battlefield and civilian casualties that can now be detected. "The newbiosensor approaches the sensitivity of a do...
UF Researchers Use Gene Therapy To Prevent Hypertension, Organ Damage
...he angiotensin II hormone. High blood pressure and organ
damage wereprevented in all of the animals in whic... now plan to study whether gene therapy canreverse organ
damage in adult animals with high blood pressure." Gene therapy studies for high blood press...
Getting At The Components Of Mechanotransduction: Genes Required For Vertebrate Sensory Hair Cell Function Identified
...the inner ear is the transparency of the larval organ
which allows researchers to directly view sensory hair cells in live fish. In addition, the transparent larvae are suitable for imaging of neuronal activity within the brain and peripheral nervous system. Localization of the defect...
Butterfly Wings, Beetle Horns Teach Biologists Basic Lesson In Development's Laws
...direct demonstration that thecontrol of how big an organ
or tissue grows doesn't lie entirely within thatorgan or tissue," Nijhout said. "It has long been suspected that this is thecase, but the evidence has been indirect. For example, your arm may grow to acertain length because of some genetic developmen...
One Year Follow-Up Of Non-Invasive Angina Treatment Suggests A Lasting Benefit
...sty to cleararteries that supply the blood-pumping organ
with oxygenated blood. Blood pressure in the arteries and veins normally causes blood to flowtoward the heart during its pumping phase, called systole, and also betweenheartbeats, when the heart is in its filling phase, called diastole. Theh...
Structure Of Tumor Necrosis Factor-Alpha-Converting Enzyme Solved - Milestone Toward Rational Drug Design For Rheumatoid Arthritis And Endotoxic Shock
...itis, transplant rejection, multiple sclerosis, organ
failure or septic shock, and also promotes HIV production in monocytes. Due to TACEs role in TNF a conversion, inhibitors of TACE would affect the release of soluble TNF a <font size="3"> into circulation. The Max ...
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