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Tag: "vertebrates" at medical news

Boffins Find Evidence for Novel Brain Cell Communication

...h as the heart and have been most studied in older vertebrates (such as fish) and in invertebrates (such as leeches and crabs). The current study provides the first electron microscopic evidence for gap junctions on the axons of excitatory nerve cells in the mammalian brain. Gap junctions at this site, on axo...

Genes Associated With Limb Development is More Primitive Than Believed

...tal pattern similar to that seen in more primitive vertebrates such as sharks and many fossil fish. The researc...tern of gene activity long thought to be unique to vertebrates with hands and feet is much more primitive, said Dr. Davis....

The Origin of the Brain Lies in a Worm

...ad a centralised nervous system resembling that of vertebrates today. Many animals have evolved complex nervous...es can differ substantially between species. While vertebrates have a CNS in the shape of a spinal cord running along their backs, insects and annelid worms like t...

Electrical Activity Alters Language Used By Nerve Cells

...mising approach to treating these disorders.” In vertebrates including frogs and humans, nerves communicate with muscles by releasing a neurotransmitter called acetylcholine. Spitzer and Laura Borodinsky, who was an assistant project scientist working with Spitzer when she performed the research, wanted to kno...

Sea Urchin Genome Similar To Man And May Cure Diseases

...ith humans. Sea urchins are closer to human and vertebrates from an evolutionary perspective than other more widely studied animal models, such as fruit fly or worms. The purple sea urchin, in fact, has 7,000 genes in common with humans, including genes associated with Parkinson’s, Alzheimer’s and Huntington’...

NMNAT Protein Protects Against Nerve Cell Degeneration

...and not the enzyme partner found in mice and other vertebrates were sufficient to protect the neurons. Bellen said more work needs to be done to identify the mechanisms at work in the neuronal protection and to determine how to prompt cells to increase productions of the protein. Source-Eurekalert SI...

Limb Regeneration Exists Innately In All Vertebrates – Says Researc

... such regeneration may also exists innately in all vertebrates including human beings. Chop off a salamander's leg and a brand new one will sprout in no time. But most animals have lost the ability to replace missing limbs. Now, a research team at the Salk Institute for Biological Studies has been able to rege...

Bacterial Protein Shows Promise in Treating Intestinal Parasites

...rally-produced protein is safe to humans and other vertebrates and can be produced inexpensively in large quantities, it has the potential to substantially improve this global health problem. “Our ability to control parasitic nematode infections with chemotherapy on a global scale is dependent on the availabil...

Fruit fly’s visual map based entirely on genetic inputs

The visual maps in the brains of vertebrates and fruit fly denote what they see. Millions of ne...es Medical Institute investigator. "The neurons in vertebrates are born and are genetically programmed to project into a certain brain region. This is followed by ...

A Human Brain Gene Could Hold Clues On The Evolution Of Brain Capacity

...ring the genomes of humans, chimpanzees, and other vertebrates to identify elements of the human genome that have undergone accelerated evolutionary changes. This computer-intensive bio informatics approach produced a list of the most rapidly evolving regions of the human genome, and subsequent work focused on...

New Studies On Zebrafish Could Aid in Treating Birth Defects

...and the frog Xenopus laevis as research models for vertebrates (animals with backbones), but zebrafish have an important advantage for studying early development: It is possible for researchers to watch the changes that take place in their embryos from the moment of fertilization. The small fish have another adv...

Anthrax Kills 50 Cattle in Madhya Pradesh

...It occurs most commonly in wild and domestic lower vertebrates like cattle, sheep, goats, camels, antelopes, and other herbivores and can also occur in humans when they are exposed to infected animals or tissue from infected animals," said P.K. Sharma, posted at the government veterinary hospital here. "Animal ...

'Expedition Everest' Finds New Species

...th's vascular plants and 42 percent of terrestrial vertebrates exist only in these 34 hotspots. Hotspots face extreme threats and have already lost at least 70 percent of their original vegetation. "Being part of the Mission Himalayas team has given us all a renewed sense of hope for conservation efforts in this...

Disney’s New Attraction Showcases the Discoveries of the Himalayas Expeditio

...th's vascular plants and 42 percent of terrestrial vertebrates exist only in these 34 hotspots. Hotspots face extreme threats and have already lost at least 70 percent of their original vegetation. "Being part of the Mission Himalayas team has given us all a renewed sense of hope for conservation efforts in th...

UF scientists Throw light on the origin of vertebrate skeleton

...tilage in the lampreys, which is also found in all vertebrates with backbones and jaws, including humans. "It wa...ld their skeletons makes sense. Lampreys and jawed vertebrates inherited the same genetic program for skeletal development from our common ancestor." Lampreys are...

Hh Signaling May Play Role In Fat Formation

... pathway. The role of the Hh signaling varies from vertebrates and invertebrates. The Hh proteins’ activity can be modulated by small molecules, according to the study, which gives rise to the possibility that drugs aimed at the fat pathway may be in existence already, while more could be made. The drugs whic...

Kasturba Medical College Organizes 'CME- Orth 2005' From 4th To 6th November

...al anatomy models and skeletons of human and other vertebrates are also on display. The institute proposes to start a digital or virtual museum for which wok has already begun....

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