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Propagate in Medical News

Govt Keen To Propagate Stem Cell Research On Right Track

To avoid quackery in the field of stem cell therapy, and propagate the stem cell research on right track, the Government has decided to work on improving the protocols involved in this therapy. // The system would be developed under the leadership of director general of the Indian Co...

Study provides documentation that tumor 'stem-like cells' exist in benign tumors

...l types of cells. Tumor stem-like cells appear to have the same self-renewing and multipotent properties, but instead of producing healthy cells, they propagate tumor cells. In this study, benign tumor stem-like cells were analyzed for their genetic makeup and behavior. Pituitary adenomas have unusual chara...

DNA-damaged cells communicate with neighbors to let them know they're in trouble

...age that mutant cell to behave more aggressively cancerous," said Campisi. "With regard to aging, we think the inflammatory signals from damaged cells propagate an aging 'field' whereby damage builds up over time, impacting not only the individual damaged cells, but the function of the tissue itself." When Buc...

Gray matter under attack in multiple sclerosis

...yelin. This protective layer consists of individual cells that wrap around the long extensions of the neurons to insulate them and to allow signals to propagate all the way along the nerve cells. MS first causes in an irrecoverable loss of myelin, and then ultimately to the demise of the neurons thus exposed. ...

Frost & Sullivan Bestows Product Line Strategy Leadership Award to VTS Medical Systems, LLC

...r neurology, paediatric, orthopaedic, gastroenterology, cardiac and general surgeries. VTS offers training programmes for biomedical engineers to propagate the basic fundamentals of audio-video technology in surgical suites. It equips hospital staff with adequate knowledge and skills to ensure self suffic...

Carnegie Mellon scientists offer explanation for 'face blindness'

...t," said Marlene Behrmann, a professor of psychology at Carnegie Mellon. Behrmann said the team was excited by the possibility that the failure to propagate signals between different regions of the brain might provide a biological explanation for this perplexing disorder. ...

Therapeutic vaccines

...e virus was carried to the United States in 1999 and had spread through the whole of North America within five years. There is now a risk that it will propagate worldwide. Since its first appearance in the United States, around 400 people have died there after coming into contact with the West Nile virus. A ne...

Embryonic pathway delivers stem cell traits

...hor on the paper and postdoctoral researcher in the Weinberg lab. This suggests cancer stem cells are using pre-existing normal stem cell machinery to propagate their own self-renewal and therefore their tumor-initiating ability. Mani is continuing his research on the EMT/cancer stem cell connection and its...

Embryonic Pathways Induce Stem Cell Traits

...toral researcher in Weinberg's lab, said in a prepared statement. "This suggests cancer stem cells are using preexisting normal stem cell machinery to propagate their own self-renewal and therefore their tumor-initiating ability." More information The National Institutes of Health has more about stem ...

Human, animal vaccine development goal of hepatitis E virus research

...r obstacle for Hepatitis E research and vaccine development has been the lack of a practical animal model system for HEV research and the inability to propagate HEV in cell culture, explains Meng. With funding from NIH, Mengs group recently discovered two HEV-related animal viruses in the United States: swine ...
Propagate in Medical Technology

Sequoia Pharmaceuticals Presents In Vitro and First-in-Human Data Supporting Further Development of SPI-256, a Novel Investigational Protease Inhibitor

...trated that SPI-256 possesses a high barrier to resistance. Through in vitro resistance selection experiments, when scientists at Sequoia attempted to propagate HIV in the presence of SPI-256, the drug posed a markedly higher barrier to developing resistance than atazanavir and lopinavir. Resistance to SPI-256...
Propagate in Medical Definition

Artificial induction of immunity

...trated some years earlier by Benjamin Jesty , who had not publicized his discovery. Jenner described and generalised the process and then arranged to propagate cowpox for therapeutic use and he is credited with the discovery. [4] Vaccination took over from variolation. Jenner, like all members of the Ro...
Propagate in Medical Dictionary

Fungus

... Find products and compare prices at TheFind.com. Shop online for thousands of great items like the Fungus Nail. Fungus propagate via billions of spores which travel through the air and water ... Actively growing fungus (typically Saprolegnia and Achyla) in an aquarium is ......

Astigmatism

...ocused image on the retina. This may be due to an irregular or toric curvature of... An optical system with astigmatism is one where rays that propagate in two perpendicular planes have different foci. If an optical system with astigmatism is used to form an image of a cross, the vertical and horiz...
Propagate in Biological News

Sex involved in plant defense

...hem evolve defenses against generalist herbivores. Though there are short-term benefits to asexual reproduction populations can grow more rapidly and propagate even when pollination is not possible losing sex puts plants at a long-term disadvantage. "In the end, asexual reproduction appears to be an evol...

Caltech scientists reveal how neuronal activity is timed in brain's memory-making circuits

...und instead a systematic delay in neuronal activity from site to site. Instead of the whole structure oscillating at once, we see traveling waves that propagate across the hippocampus in a consistent direction, along its long axis." "In other words, the hippocampus has a series of local time zones, just like...

Zebrafish provide a model for cancerous melanoma in humans

... used to study and understand human melanoma. Zebrafish are a useful tool to understand human disease because they are small, transparent, and easy to propagate and maintain. Tumors created from the pigmented cells of zebrafish, known as melanocytes, are easy to see against their thin, light colored bodies. ...

Apple enthusiasts welcome WineCrisp

...er temperatures in Illinois and Indiana. A U.S. patent for WineCrisp is pending. The apple is available now to nurseries who apply for a license to propagate trees and make them available to apple growers nationwide. Although it takes time for growers to incorporate new apple varieties into their orchards, ...

New study overturns orthodoxy on how macrophages kill bacteria

...la typhimurium , the microbe used in the study, is adept at evading these defenses. The most virulent strains of S. typhimurium can survive and even propagate inside macrophages, eventually emerging to infect more cells. "It's been assumed that reactive oxygen species kill the bacteria by going into the c...

Laughing hyenas, wailing levees, the sound of cheese and blaring bagpipes

... May 21. Abstract: http://asa.aip.org/web2/asa/abstracts/search.may09/asa913.html 7) SUPPLE WAVES IN CHEESE AND SKIN When acoustic waves propagate through a given material, the ocean for instance, the sound waves respond to the properties of the fluid. Scientists can use these responses to probe ...

HIV dearms protective protein in cells

...egy of the human HIV is not effective in a rat model for AIDS. The protective protein in rats is immune to HIV counteraction. Consequently, HIV cannot propagate itself as easily in the animal model as in humans one limitation of the current rat model. However, this new knowledge may enable an improvement of t...

To improve forecasting earthquakes, NJIT mathematician studies grains

...archers are investigating how forces and pressures propagate through granular materials. "Computational Ho... "The mystery is to learn how forces and pressure propagate or move through grains," said Kondic. "We know th...ructures (colored yellow). "Similar forces do not propagate uniformly, but instead form chain-like structures,...

Acoustical Meeting, Nov. 10-14, 2008 in Miami, Florida

...ies of hearing studies, Gerstein's research revealed that manatees cannot hear the dominant low frequency sounds of boats and that those sounds do not propagate well in shallow water. "Ironically, slow speed zones result in quieter and lower frequency sounds which manatees can not hear and locate in many shal...

NJIT professor finds engineering technique to identify disease-causing genes

...s or proteinscommunicate through interconnected pathways via different biochemical interactions, explained Abdi. Through these interactions, molecules propagate regulatory signals. The function of cells in the body is vulnerable to the dysfunction of some molecules within a cell. "In other words," he added, "d...
Propagate in Biological Technology

Plasmonic whispering gallery microcavity paves the way to future nanolasers

...onic microcavities. "In these sphere-shaped microcavities, optical waves propagate in a similar way that sound waves propagate in a whispering gallery," said Zhang. "They continue to circle around the e...

USC researchers derive first embryonic stem cells from rats

...into specialized types of body cells. By blocking these signals, Ying and colleagues found that stem cells from rats, which have previously failed to propagate at all, could be grown indefinitely in the laboratory in the primitive embryonic state. An accompanying study led by researchers at the University...

Sea urchin yields a key secret of biomineralization

... "The amorphous minerals are deposited and they are completely disordered," Gilbert explains. "So the question we addressed is 'how does crystallinity propagate through the amorphous mineral?'" To answer it, Gilbert and her colleagues observed spicule development in 2- to 3-day-old sea urchin larvae. The se...

Professor-turned-producer learns the movie biz

...day, "Molecules to the MAX" is about educating viewers and raising public science literacy, Siegel said. But to make the movie an effective vehicle to propagate this important scientific and educational message, it was imperative that the team not allow the core properties of the medium immersive, engaging en...

University of Pennsylvania scientists move optical computing closer to reality

... for years. Just as light travels through optical fibers, surface plasmons propagate along a chain of closely spaced, metallic particles with each particle acti...er of the 20th century, that electromagnetic pulses, or "wave packets," can propagate through material media with an overall velocity which is greater that the s...

New technique to compress light could open doors for optical communications

...space that small, Oulton said. They have squished light beyond these limits using surface plasmonics, where light binds to electrons allowing it to propagate along the surface of metal. But the waves can only travel short distances along the metal before petering out. Oulton had been working on combining...

Collaboration yields 'the right glasses' for observing mystery behavior in electrons

...te to its conducting state. The new findings will help researchers worldwide better describe and understand underlying physical laws of how charges propagate through correlated materials. The research could help materials scientist understand how to precisely dope a material with specific atoms in order ...

VisEn Medical Files Action to Invalidate New Caliper Life Sciences Patent

...asic methods, as well as on significant advances, in the field of optical in vivo imaging, including the use of: (i) light- generating systems used to propagate light through tissues; (ii) light- emitting molecules, conjugates, and entities used in vivo to enhance image contrast and specificity; and (iii) inst...

UW-Madison Battles Prolific Computer Virus

...amp;id=2121 . If the Windows system has already been infected, contact the DoIT Help Desk at 608-264-HELP for assistance. Machines that continue to propagate the virus may be disconnected from the campus network. UW-Madison users who continue to have questions after following the directions above should ...

UW stem-cell team led by James Thomson gets $1.25M private grant

...other type of cell indefinitely. Human embryonic stem cells, which lead scientist James Thomson was the first to grow in a sustained culture, can propagate essentially forever unless they are given some impetus to form other kinds of cells blood, tissue, neurons or anything else in the body. The grant...
Propagate in Biological Products

Sf9 Frozen Cells (Grace's Media) from Invitrogen

Description:... Sf9 cells derived from Spodoptera frugiperda ovarian cells (Sf21 cells) are commonly used to isolate and propagate recombinant AcMNPV viral stocks and to produce recombinant proteins....
Company:Invitrogen
Propagate in Biological Definition

Allostery

...active site essentially forms a glove around its substrate. While such an induced fit converts a subunit from the tensed to relaxed state, it does not propagate the conformational change to adjacent subunits. Instead, substrate binding at one subunit only slightly alters the structure of other subunits so that...

Allostery

...active site essentially forms a glove around its substrate. While such an induced fit converts a subunit from the tensed to relaxed state, it does not propagate the conformational change to adjacent subunits. Instead, substrate binding at one subunit only slightly alters the structure of other subunits so that...

Charles Darwin

... that asylums for the "imbecile, the maimed, and the sick", as well as welfare laws and vaccination, allowed that "weak members of civilised societies propagate their kind" and would be "highly injurious to the race of man." However, he also felt that the sympathetic instincts of humans, which would allow them...

Dendrite

...rds and away from the soma. In other dendrites, voltage-gated channels help propagate excitatory synaptic stimulation whether or not an action potential is prese...els along such dendrites. Scientists have shown that action potentials do propagate back into the dendrites once initiated in the axon in most neurons. This ba...

DNA

...ent of all cellular forms of life and many viruses . DNA is sometimes referred to as the molecule of heredity as it is inherited and used to propagate traits . During reproduction , it is replicated and transmitted to offspring. In bacteria and other simple cell organisms, DNA is not sepa...

Extinction

...of extinction, small populations which represent an entire species are much more vulnerable to these types of effects. Natural selection acts to propagate beneficial genetic traits and eliminate weaknesses. However, it is sometimes possible for a deleterious mutation to be spread throughout a population...

Gene

..., popularized by Richard Dawkins . He points out in his book, The Selfish Gene , that to be successful genes need have no other "purpose" than to propagate themselves , even at the expense of their host organism's welfare. A human that behaved in such a way would be described as "selfish," although ironic...

Photon

...ia). Matter excitations have a non-linear dispersion relation; that is, their momentum is not proportional to their energy. Hence, these particles propagate slower than the vacuum speed of light. (The propagation speed is the derivative of the dispersion relation with respect to momentum.) This is the fo...
Propagate in Biological Dictionary

Shuttle vector

... A shuttle vector is a vector constructed so that it can propagate in two different host species . Therefore, DNA inserted into a shuttle vector can be tested or manipulated in two different cell types. The ...

Repetitive DNA

... · Variable number tandem repeat/Minisatellite · Short tandem ... Interspersed repetitive DNA is found in all eukaryotic genomes. These sequences propagate themselves by RNA mediated transposition and they have been called retrotransposons. Interspersed repetitive DNA elements allow new genes to evolv...

Prion

... A prion ) is an infectious agent that is composed of protein. To date, all such agents that have been discovered propagate by transmitting a mis-folded protein state; the protein does not itself self-replicate and the process... Transmissible spongiform encephalopat...

Clone

...trated with syntax highlighted code examples. Clone - Definition of Clone at Dictionary.com a free online dictionary with ... To reproduce or propagate asexually: clone a plant variety. ... Dictionary.com - Largest free online dictionary and audio pronunciation. ... Popular Daily Crossword Cros...
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