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Tag: "taken" at biology news

Fat's fate depends on its source

...ublished in the May issue of Cell Metabolism. Fats taken in directly from the diet or generated from sugars spark a cascade of gene activity in the liver necessary for healthy blood levels of sugar, cholesterol, and other fats, according to the researchers. Old fat stores alone failed to set those critica...

Researchers grow stem cells from human skin

...esearcher on the project. "Because these cells are taken from a patient's own skin, there would not be problems with organ or tissue rejection." The research team grew mesenchymal stem cells, a type of stem cell normally found in bone marrow. Using tissue samples from 15 donors who had routine circumcisio...

Scientists succeed in cloning human embryos from eggs matured in the lab

...s, they injected into the empty oocytes the nuclei taken from somatic cumulus1 cells (i.e. non-germ cells) of another person ?a process known as non-autologous nuclear transfer. After time for nuclear re-programming the oocytes were artificially activated by incubation in a medium containing calcium ionoph...

Understanding biases in epidemic models important when making public health predictions

...tent and infectious period distributions should be taken into account when making quantitative predictions for public health use." ...

Invitrogen Launches i-Path -- A Unique Systems Biology Platform at BIO 2005

...s, they injected into the empty oocytes the nuclei taken from somatic cumulus1 cells (i.e. non-germ cells) of another person ?a process known as non-autologous nuclear transfer. After time for nuclear re-programming the oocytes were artificially activated by incubation in a medium containing calcium ionoph...

International Team Determines Geographic Origin of Leprosy

...ed for SNPs in 171 clinical specimens of M. leprae taken from people infected with the bacterium. The specimens came from 21 countries representing five continents. Four types of SNP appeared in the samples, but their distribution was not random. Instead, the investigators discovered a fairly close correl...

Inhaling large amounts of salt can cause hypertension

...tent and infectious period distributions should be taken into account when making quantitative predictions for public health use." ...

Field of beams - Novel system uses polarized light pulses to reveal crop health

...tent and infectious period distributions should be taken into account when making quantitative predictions for public health use." ...

Researchers seek to discover what really happens when a virus enters the body

...boratory dish at once, multiple sub-images must be taken quickly, then reassembled in the proper matrix. The "montage" artifact arises from the microscope's uneven illumination, which is brighter in the center and dissipates nearer the edges of the dish for each sub-image. To compensate for this artifact...

New type of rejection blocker protects kidneys after transplant

...home with a collection of medications that must be taken daily to prevent rejection by suppressing the immune system's hostile response to a transplanted organ, Vincenti said he expects his patients to receive an injected immune tolerance treatment a few times a year -- and perhaps to be able to stop takin...

Most common lung cancers may begin in newly discovered cells

... cell test remains. "One thing we have not done is taken BASCs and put them back into the mouse and show in vivo that they perform as stem cells," Bender Kim said. "We don't have an assay for that yet." With hematopoietic stem cells, for example, scientists can inject the stem cells into the bone marrow o...

Missing Receptor Molecule Causes Tumor Growth

...re confirmed by testing 36 different tumor tissues taken directly from patients. In comparison, these cells represent the real causes of disease much better than cell cultures commonly used for experimental research. It was determined that in 20% of the tissues examined the gene responsible for DR4 was met...

Woods Hole Research Center plans controlled burn in Amazon rainforest

...ing conducted in an area in which researchers have taken many measurements prior to the burning ?inventorie...ometer of forest. After the burn, a census will be taken of the trees to see how many have survived or how they may be reacting or recovering from the burn; ...

Nanoparticles carry cancer-killing drugs into tumor cells

...re confirmed by testing 36 different tumor tissues taken directly from patients. In comparison, these cells represent the real causes of disease much better than cell cultures commonly used for experimental research. It was determined that in 20% of the tissues examined the gene responsible for DR4 was met...

Carnegie Mellon University research reveals how cells process large genes

...pez. For example, recursive splicing must now be taken into account when evaluating mutations that disrupt gene expression and produce a dysfunctional or non-functional protein. "Current data indicate that at least 15 percent of disease-causing mutations occur at standard signals where intron removal t...

Reversal of role for a viral protein associated with the development of lymphoma

...pez. For example, recursive splicing must now be taken into account when evaluating mutations that disrupt gene expression and produce a dysfunctional or non-functional protein. "Current data indicate that at least 15 percent of disease-causing mutations occur at standard signals where intron removal t...

Bitter or sweet? The same taste bud can tell the difference

...ers conducted their experiments on taste bud cells taken from the rear of the tongues of rats. (The back of the tongue has the highest concentration of taste buds.) They isolated single cells from individual taste buds. They attached very small, fine electrodes to these single cells in Petri dishes in orde...

Expanding forests darken the outlook for butterflies, study shows

...les of butterfly dispersal and genetic variability taken from the Kananaskis region in Alberta to show a correlation between less genetic diversity and smaller meadows. According to Roland, the altitude of the tree line in the Canadian Rockies is rising--likely due to global warming--and, outside of natio...

Structures of marine toxins provide insight into their effectiveness as cancer drugs

... adding to fundamental understanding which will be taken up by others to simplify chemical synthesis of what could potentially be powerful cancer treatments." The toxins, which are produced naturally by organisms that exist symbiotically on deep-sea sponges, work by disrupting the activity of actin, an ab...

Study shows eutrophic lakes may not recover for a millennium

Although it has taken just 60 years for humans to put many freshwater la...g to smell a lot more of that." Steps that can be taken immediately, Carpenter says, include eliminating the importation of chemical phosphorus to watershed...

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