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Research on Worms Yields Clues on Aging

...ticonvulsants stimulated transmissionof signals in nerves that control body movement.Scientists previously had found genetic mutations in C. elegans thataffect both the nervous system and life span. The researchers usedthese mutant worms to further pin down the mechanism by which theanticonvulsants increase...

Mouse brain tumors mimic those in human genetic disorder

...imes the number ofsmall blood vessels in the optic nerves and chiasm as control mice.Similarly, microglia were also found in the nerve and chiasm of mutantmice prior to tumor formation."In our judgment, the fact that recruitment of new blood vessels andinfiltration of immune system cells occurs before actua...

First 'atlas' of key brain genes could speed research on cancer, neurological diseases

...ing abnormalities in thedevelopment or function of nerves and related structures.Although the gene regulator...ready have homed in on specific TF genesregulating nerves involved in pain sensation, certain brain tumors, andspeech problems caused by abnormally developing...

First real-time view of developing neurons reveals surprises, say Stanford researchers

... Niell immobilized a young fish at an age when the nerves first grow from the eye to reach the brain. Then, with the aid of a 6-foot-long laser and some fancy microscopy, the researchers were able to watch individual neurons as they matured in real time. The pair specifically monitored hundreds of neurons ...

Multiple Campylobacter Genomes Sequenced

...uals develop Guillain-Barré syndrome, in which the nerves that join the spinal cord and brain to the rest of the body are damaged, sometimes permanently. Campylobacteriosis is usually caused by C. jejuni, a spiral-shaped bacterium normally found in cattle, swine, and birds, where it causes no problems. But...

Stem cells from brain transformed to produce insulin at Stanford

...le to transform into brain-related tissues such as nerves and support cells. But a group at the Salk Institute in San Diego recently published a report in which neural stem cells transformed into cells that line blood vessels - a far cry from a neuron. "That work gave us confidence that these cells could be...

New component of the 'brakes' on nerve regeneration found

...urons that prevents regeneration. While peripheral nerves have no such machinery and can readily regenerate, central nervous system (CNS) neurons have their brakes firmly in place and locked. Now, two groups of scientists have independently found a new component of that braking machinery, adding to underst...

Some Brain Cells 'Change Channels' To Fine-tune The Message

...ell's activity level depends on its neighbors, the nerves and other cells that connect to it. Although they don't physically touch, the cell and its neighbor are so close to one another at these connection points, called synapses, that molecules released from one cell travel immediately to the next. These ...

Leprosy microbes lead scientists to immune discovery

...erwhelmed the immune defenses and can spread along nerves throughout the body and may cause blindness. The scientists found DC-SIGN+ macrophages in both types of leprosy infections. The CD1b+ cells were present only in the milder form, indicating a successful battle against the leprosy bacterium. They were...

Brain-injury rehabilitation depends on acetylcholine circuitry

...used a toxin to specifically eliminate cholinergic nerves connecting to the motor and sensory regions of the animals' cortex. The other control group received a sham injection. The researchers then used electrical probes to create small lesions in the rats' brain region responsible for controlling limb move...

Discovery clarifies role of peptide in biological clock

...just above the roof of your mouth where your optic nerves cross. There are roughly 10,000 neurons in this nucleus on either side of your brain. The timekeeping mechanism in these cells depends on daily cycles in gene activity. Herzog found in his latest study that the percentage of rhythmic cells in the mu...

Next Generation Body Scanner Launched By The University Of Manchester

... the body such as individual vessels in the brain, nerves and cartilage. Researchers working in the fields of cancer, stroke and mental illness will be among the first to benefit from the scanner. By studying patients, they will be able to look at the way brain tumours and cancers grow and develop and ho...

Mutation in clams protects against paralytic shellfish poisoning but raises human health risk

...ges a single amino acid in a sodium channel, makes nerves less sensitive to those toxins. The discovery is ...rom an area with no such history. They showed that nerves taken from the two clam populations also function differently, with those from exposed the populatio...

Some Brain Cells Change Channels

...ell's activity level depends on its neighbors, the nerves and other cells that connect to it. Although they don't physically touch, the cell and its neighbor are so close to one another at these connection points, called synapses, that molecules released from one cell travel immediately to the next. These ...

Diabetic nerve therapy shows 'striking' results

...researchers investigating the effect of glucose on nerves believe it is likely to be a combination of factors. Sangamo's Chief Medical Officer, Dr Dale Ando, said: "We have been greatly encouraged by Professor Tomlinson's data and have moved the programme into the clinic. "The first phase of human trials ...

Study shows humans have ability to track odors, much like bloodhounds

...xperiments on five volunteers who had no olfactory nerves and therefore couldn't smell at all, a condition k...s are able to localize odors through the olfactory nerves alone. "One possible objection is that the experimental set-up, with a mask that provides separate ...

New tool reveals secrets of migrating cells

...d are common in many types of tissue, ranging from nerves to lymph nodes. To date, such long-range migrations have been inferred from observations of chemically fixed tissue at different stages of development. "Two-photon imaging is going to change literally forever the way that we do biological science," ...

Gifts from the sea

...oadfish contains a unique set of nerve wiring. The nerves leading to and from the toadfish brain are less ta...in humans and other creatures that must cram their nerves through relatively small openings in the skull. The human vestibular (balance) system relies on flu...

UIC researchers show protein routes messages in nerve cells

...mouse or a rat can help researchers understand how nerves need to be reconnected after spinal cord injury, or may open doors to developing drugs that can manipulate proteins that cause neurological diseases in humans. ...

Researchers find molecule that inhibits regrowth of spinal nerve cells

... molecule throws up "fences" that repel developing nerves and guide them along the pathways to their appropriate connections to muscles. In 2002 Dr. Mark Henkemeyer, associate professor in the Center for Developmental Biology and of cell biology and one of the authors of the PNAS study, found that such a "...

Gradient guides nerve growth down spinal cord

... chemical signals that attracts developing sensory nerves up the spinal cord toward the brain serves to repe...roteins acted as a guide for sensory nerves. These nerves have a receptor on the tips of their growth cones, known as Frizzled3, which responds to Wnts. In t...

Scientists use gene transfer technology and common virus to block neuropathic pain in animals

...to block transmission of pain signals from damaged nerves to the brain.?/p> After removing genes that make it possible for the herpes simplex virus to infect a human host, VA/U-M scientists use it as a carrier to deliver GAD to the nucleus of nerve cells in the dorsal root ganglion near the spine. In pr...

Skull study sheds light on dinosaur diversity

...ns of the skull reconstruction. "Blood vessels and nerves passed through these holes and may suggest an especially sensitive snout. This probably had some role in feeding, but we haven't investigated it at all." Oddly, a group of distantly related sauropods evolved a similarly grooved snout. "Apparently, t...

Scientists use gene transfer technology and common virus to block neuropathic pain

...to block transmission of pain signals from damaged nerves to the brain." After removing genes that make it possible for the herpes simplex virus to infect a human host, VA/U-M scientists use it as a carrier to deliver GAD to the nucleus of nerve cells in the dorsal root ganglion near the spine. In previous...

Grasshopper love songs give insight into sensory tuning

As anyone whose nerves have been jangled by a baby's howl or who have bee...ts of white noise to isolated grasshopper auditory nerves and measured the electrophysiological signals reflecting the reactions of the auditory neurons to th...

Dendritic cells offer new therapeutic target for drugs to treat MS and other autoimmune disease

...-cells to destroy the myelin protein sheath around nerves in the central nervous system. The drug had a similar effect on dendritic cells, causing most of them to die. In the mouse model, investigators found that more of the myelin sheath was preserved in mice treated with CEP-701 than those not treated. ...

Scientists discover the molecular switch for nerve cells' insulating jelly rolls

... an important component of the spinal cord, and of nerves in other parts of the body. It has been known for almost 170 years that there are two kinds of axons --one is wrapped in myelin and appears white and the other is not and appears gray. Myelinated axons transmit messages in the nervous system up to 10...

New neurons take baby steps in the adult brain

...hat die in Parkinson's disease, muscle-controlling nerves that succumb in diseases like muscular dystrophy and amyotrophic lateral sclerosis, or nerves that are damaged by trauma or injury. In none of these systems are new neurons formed or integrated ...

Penn Surgeons Use Completely Robotic Surgery to Successfully Treat Prostate Cancer

...e visualization of the prostate and the network of nerves and tissue surrounding it. Additionally, by scaling down the motion of the robotic instruments, the surgeon can perform extremely precise, intricate movements during the procedure. For example, if the surgeon’s hand moves five centimeters, he/she can...

Scientists learn to predict protein-stabilizing ability of small molecules

...e visualization of the prostate and the network of nerves and tissue surrounding it. Additionally, by scaling down the motion of the robotic instruments, the surgeon can perform extremely precise, intricate movements during the procedure. For example, if the surgeon’s hand moves five centimeters, he/she can...

New battery technology helps stimulate nerves

...a pencil lead and that can be injected near target nerves to help overcome the faulty nervous system wiring at the heart of Parkinson's, epilepsy and incontinence. "The idea is that whenever you have a broken nerve connection, you can supply the electrical impulse to complete the circuit," West explains. ...

Harnessing genomic research

...issue regeneration- During spinal cord injury the nerves that transmit information between the brain and th...selves. The work could lead to ways of stimulating nerves to regrow and repair damaged connections. Personalised cancer treatment- A large number of cancer...

New technique puts brain-imaging research on its head

...ed to the skull by numerous vessels, membranes and nerves at the base, tries to pull away from all those attachments, leading to a significant deformation of the front of the brain. Bayly discussed the group's findings Nov. 10, 2005, at the annual meeting of the National Neurotrauma Society in Washington, D...

Living taste cells produced outside the body

...r results demonstrate that direct stimulation from nerves is not necessary to generate taste cells from precursors." By using the cultured taste cells, researchers now have more precise control over the cell's surrounding environment, as well as better access to subcellular mechanisms, allowing them to a...

Duck-billed dino crests not linked to sense of smell

...rom the brain case, there's no indication that the nerves curled upwards into the crest, as we would expect if the crest was used for the sense of smell," Evans says. "It appears that the brain changed very little from their non-crested dinosaur ancestors, and that the primary region of the sense of smel...

Cell therapy slows progression of an inherited neurological disease; Improves motor skills in mice

...or myelin protecting nerve fibers. Without myelin, nerves cannot conduct impulses to and from other areas of the body, resulting in symptoms including convulsions, seizures, personality changes, spasticity, progressive dementia, motor disturbances progressing to paralysis, and blindness. There is no cure; t...

University of Utah to help build bionic arm

...lanted device that would relay nerve impulses from nerves in the residual limb to a small computer worn on a...interface device, which would relay the signals to nerves in the remainder of the amputated arm and then to the brain, allowing the person using it to sense t...

Both alcoholism and chronic smoking can damage the brain's prefrontal cortex

...lanted device that would relay nerve impulses from nerves in the residual limb to a small computer worn on a...interface device, which would relay the signals to nerves in the remainder of the amputated arm and then to the brain, allowing the person using it to sense t...

A new focus for the mechanism of nerve growth

... with particular interest in repair of spinal cord nerves after injury. ...

Scientists reveal how deadly toxin hijacks cells

...ghes Medical Institute. "It uses SV2 to sneak into nerves like a Trojan horse." "Botulinum neurotoxins are among the six most dangerous bioterrorism threats," adds lead author Min Dong, a UW-Madison postdoctoral researcher in the department of physiology. "Knowing the protein receptor for [botulinum toxins...

Scientists develop a way to make the deadliest toxin known even more toxic

.... They produce progressive paralysis by binding to nerves at the point where they connect to muscles, and blocking the release of acetylcholine, which signals the muscles to contract, including those that regulate breathing. Blocking the nerve signal results in paralysis and, unless treated quickly, death. ...

New brain hormone puts brakes on reproduction

...ate where in the brain the hormone is made: in the nerves of the dorsomedial hypothalamus. The axons of these nerves project to numerous areas of the brain where nerve cells produce GnRH, and staining showed that thes...

U of MN researchers develop way to visualize synchronized interactions of nerve cells in the brain

...or and cognition in the brain involves networks of nerves continuously interacting--these interactions occur on a millisecond by millisecond basis. Because the interactions in the brain happen so rapidly, it has been difficult to accurately assess them. Current methods of evaluation such as functional magn...

New gene reduces retinal degeneration in fruit flies

... in mammals that are essential for guiding certain nerves during development and for responding to stimuli including heat, taste and sound. By shining bright light onto and recording electrical changes in single nerve cells in the fly eye, researchers found that neurons carrying a mutation in this gene ca...

Proteins spur diabetic mice models to grow blood vessels, nerves

...ericans with diabetes, a disease that damages both nerves and blood vessels. The therapy involves netrins, a family of proteins that promotes nerve development. In a study to be published this week in the journal Science Express, the Utah researchers and colleagues from other universities showed netrins no...

Trial success for diabetic nerve therapy

...researchers investigating the effect of glucose on nerves believe it is likely to be a combination of factors. ...

Study reveals how ADHD drugs work in brain

...n more detailed insights into how ADHD meds act on nerves to enhance cognitive ability. Other researchers who contributed to the study include UW-Madison co-authors David Devilbiss, Matthew Andrzejewski, Ann Kelley, Brooke Schmeichel, Christina Hamilton and Robert Spencer, and Yale Medical School researche...

Queensland scientists identify molecule that links both sides of the brain

...st to identify a growth molecule that guides young nerves away from the corpus callosum and towards their targets in the opposite hemisphere," Dr Cooper said. "We have shown that the Ryk receptor molecule facilitates the targeting of individual nerve fibres. "This process is critical for the transmissio...

Neurons grown from embryonic stem cells restore function in paralyzed rats

...st be tested in larger animals to determine if the nerves can reconnect over longer distances and to make sure the treatments are safe. There currently is no large-animal model for motor neuron degeneration, so Dr. Kerr's group is working to develop a pig model. Researchers also need to test human embryoni...

Spinal cord bridge bypasses injury to restore mobility

...ies--one old and one new--in efforts to regenerate nerves in the spinal cord and restore movement, said Silv... years, researchers have used grafts of peripheral nerves from the rib area or parts of the leg. While peripheral nerves can be used successfully as grafts i...

Think fast! Rice undergrad unlocks nerve speed secret

...words, tens of thousands of vesicles in your optic nerves are released in sequence, opening tiny surface pores to pass chemical signals to the next cell down the line, telling your brain what you're seeing and your eyes where to move. Thanks to two new studies ?including one spearheaded by an undergraduate ...

Stimulation of the semicircular canals can artificially control human walking and balance

... of bipedal locomotion--the researchers stimulated nerves that normally communicate signals from the so-call... that artificial stimulation of semiciruclar canal nerves afforded "remote control" that was accurate enough to keep subjects on pathways and avoiding obstacl...

New research promising for improving brain cell survival after brain injury

...y, as well as the subsequent few days when injured nerves release 'suicide factors' that cause surrounding, healthy neurons to die en masse. "This treatment to prevent brain damage has wide application and could be given to car accident and assault victims, people undergoing radiotherapy for brain tumour...

Infected for life

...rowth in the skin, or other mucous membranes where nerves are found, causes cell damage and an immune reaction that results in a painful sore. Although the latency-to-reactivation process is not fully understood, it is known to involve stress, such as physical damage, ultraviolet light, hormones, or even fe...

Selectively blocking inflammatory signals may protect mice from MS

...ay to preserve the cells that surround and protect nerves could lead to new treatments for demyelinating dis...y no reliable way to deliver SOCS1 directly to the nerves of a patient with multiple sclerosis, this protective approach could be combined with stem cell ther...

Increased sensitivity to nerve signals keeps diabetes at bay

...e receiving end of messages relayed by involuntary nerves that indicate the presence of food. In contrast, ...ersy has arisen because peripheral parasympathetic nerves release at least five different neurotransmitters, and increased parasympathetic outflow affects the...

Hair samples show babies can be exposed to 'crystal meth' while in the womb

...nces sexual arousal. But long term abuse damages nerves in the brain and can lead to psychotic behaviour and aggression. The drug is very easy to manufacture in home laboratories, and global use has soared, particularly among young women, say the authors. An estimated half a million Americans alone ar...

St. Jude finds clues to hearing loss from chemotherapy

...scade of genes that cooperate to construct certain nerves or sections of the inner ear that sense sound; that stimulation is then turned into electrical impulses that go to the hearing center of the brain. Understanding how a specific mutation disrupts that cascade might lead to ways to repair the damage, Z...

Contrary to common wisdom, scientist discovers some mammals can smell objects under water

...d back into the nostrils. "Because the olfactory nerves in the nose are covered with mucous, odorant molecules are all water soluble," Catania said. "So, when these bubbles come into contact with an object, it is almost inevitable that odorant molecules will mix with the air and be drawn into the nose whe...

Critical hearing gene helps send auditory messages to brain

...at would usually pass that information to auditory nerves and on to the brain, they reported. The sensory structures within the mutant animals' ears otherwise appeared to develop normally. "Study of the genes responsible for deafness can bring new insight into the molecular basis of how hearing works," sa...
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(Date:7/25/2008)...and Industry specialists from 22 countries are sha... species, such as mustard, radish, or rapeseed, t...nown as biofumigation. ," Brassica plants natur...hogens, principally isothiocyanates (ITCs), which ...n mustard or horseradish," says CSIRO,s Dr John Ki...
(Date:7/25/2008)...rned ,green, can potentially contain a naturally o... a risk to public health according to a review pap...Journal of the Science of Food and Agriculture (J...way the ,green, affected area is enough to elimina...per also suggests that the levels of GA in potatoe...
(Date:7/24/2008)... team led by Massachusetts General Hospital (MGH) ...r genomic research and medicine a robust method f...rticular DNA sequences for inactivation or repair....esearchers describe an efficient, publicly availab...ases (ZFNs), which can be used to induce specific ...
(Date:7/24/2008)...e Arctic Circle, scientists have found black smoke...fore. The cluster of five vents one towering near...t as 570 F., Dissolved sulfide minerals that sol...p sea have, over the years, accumulated around the...rothermal sulfide deposits ever found on the seafl...
Breaking Biology News(10 mins):Consortium develops new method enabling routine targeted gene modification 2Scientists break record by finding northernmost hydrothermal vent field 2Scientists break record by finding northernmost hydrothermal vent field 3SuperGen Identifies Lead PIM Kinase Inhibitor SGI 1776 That Causes Tumor Regression in AML Xenograft Models 1824 1SuperGen Identifies Lead PIM Kinase Inhibitor SGI 1776 That Causes Tumor Regression in AML Xenograft Models 1824 2Insmed Initiates Clinical Study for Follow on Biologic Version of Neupogen 28R 29 1822 1Insmed Initiates Clinical Study for Follow on Biologic Version of Neupogen 28R 29 1822 2Insmed Initiates Clinical Study for Follow on Biologic Version of Neupogen 28R 29 1822 3Insmed Initiates Clinical Study for Follow on Biologic Version of Neupogen 28R 29 1822 4Sunesis Pharmaceuticals Reports Data from Nonclinical Studies of SNS 032 at the Annual Meeting of the American Association for Cancer Research 1820 1Sunesis Pharmaceuticals Reports Data from Nonclinical Studies of SNS 032 at the Annual Meeting of the American Association for Cancer Research 1820 2Sunesis Pharmaceuticals Reports Data from Nonclinical Studies of SNS 032 at the Annual Meeting of the American Association for Cancer Research 1820 3Sunesis Pharmaceuticals Reports Data from Nonclinical Studies of SNS 032 at the Annual Meeting of the American Association for Cancer Research 1820 4Proof of Concept Study in Second Species Demonstrates Increase in Absorption of Oral B12 Using Emisphere Technology 1818 1Proof of Concept Study in Second Species Demonstrates Increase in Absorption of Oral B12 Using Emisphere Technology 1818 2
(Date:7/25/2008)...RNewswire-FirstCall/ -- Thoratec,Corporation (Nasd...cal,circulatory support therapies to save, support...it will report its operating results for the secon...hursday, July 31., The company will hold a confer...rating activities to all interested parties at 1:3...
(Date:7/25/2008)...consumers tips and encourages them to, ,Speak Up,..., July 25 /PRNewswire-USNewswire/ -- The Pennsylva...nal Patient Safety Day" which,is a national effort...cipate fully in their healthcare by asking questio...rgery or illness., "We understand the important r...
(Date:7/25/2008)...eting Exclusivity Begins -, CORONA, Calif., July ...s, Inc. (NYSE: WPI ), a leading specialty pharmac...ry has commenced commercial,shipment of its Omepra...0mg,strength from its Davie, Florida manufacturing...has 180 days of marketing exclusivity for being th...
(Date:7/25/2008)...lliance to be presented at Fenway Park ...ly 25 /PRNewswire/ -- CVS/pharmacy announced today....4 million in just 21 days,through its annual in-s...s,the seventh year of the annual fundraising effor... for ALS research. This year,s fundraiser took,pla...
Breaking Medicine News(10 mins):Health News:Thoratec Schedules Second Quarter 2008 Conference Call, Webcast 2Health News:Patient Safety Authority Supports 'National Patient Safety Day' 2Health News:Patient Safety Authority Supports 'National Patient Safety Day' 3Health News:Watson Launches Omeprazole Delayed-Release Capsules, 40MG 2Health News:CVS/pharmacy Raises Record-breaking $4.4 Million for ALS Research Through Annual ALS Fundraising Campaign 2
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