Sentences with phrase «used human bone»

• A Columbia University team headed by Silviu Itescu used human bone marrow to build new blood vessels in the hearts of rats.

GI: You mentioned sound experimentation and I know you've used human bones as instruments in Dexter.

I may use some human bones in the game.

Not exact matches

Dec. 18, 2013 — The most complete sequence to date of the Neanderthal genome, using DNA extracted from a woman's toe bone that dates back 50,000 years, reveals a long history of interbreeding among at least four different types of early humans living in Europe and Asia at that time, according to University of California, Berkeley, scientists.

They allowed them to use white phosphorus in a densely populated area; a chemical weapon that burns human flesh to the bone.

They found a chariot wheel of the type used in Egypt at the time of the exodus at the bottom of the Red Sea, with human bones and horse bones.

During my studies I have found that in 1614 over 300 humans conspired to create these fake bones to fool scientists, then used heavy earth moving machinery such as tractors to bury these fakes all over the planet.

To that end, Oxford grad student Samantha Brown reported in a poster that she discovered a human bone fragment by using a new technique, called ZooMS, to scan 2315 bones from the cave for uniquely human proteins.

Famous for: Uses stem cells to grow human bone - potentially changing how surgeries are performed.

Dr. Zubair, medical and scientific director of the Cell Therapy Laboratory at Mayo Clinic in Florida, says the experiment will be the first one Mayo Clinic has conducted in space and the first to use these human stem cells, which are found in bone marrow.

ASMI researchers are involved in different fields such as biomechanics (motion analysis, which includes cadaver research, namely, the use of human limbs to analyze anatomy, motion, and the strength of muscles, tendons, ligaments, and bones) and clinical research (tracking patients to see how successful they are returning to sport after treatment with surgery or physical therapy).

Hardy examined the wear patterns and residue on the tools and found that although modern humans had a larger range of implements, both groups engaged in similar activities, such as using tree resin to bind stone points to wooden handles and crafting tools from bone and wood.

We don't need to use a cocktail of small molecules, growth factors or other supplements to create a population of bone cells from human pluripotent stem cells like induced pluripotent stem cells,» Varghese said.

It was, however, difficult to exactly determine the age of the human skeletal material using conventional radiocarbon dating, because the collagen in the bones had been completely washed out due to the long period spent in water.

The researchers used «humanized mice,» which have had their immune systems replaced with human immune system cells, thymus tissue and bone marrow.

Using genetic material extracted from lemur bones and teeth dating back 550 to 5,600 years, an international team of researchers analyzed DNA from as many as 23 individuals from each of five extinct lemur species that died out after human arrival.

Human chondrosarcoma HCS - 2 / 8 cells, which are a type of benign bone cancer cells, can be used to investigate how optimization of culture conditions could improve the synthesis of cartilage - specific molecules.»

When Skinner and his colleagues looked at the metacarpals of early human species and neanderthals — who also used stone flakes for tasks like scraping and butchering — they found bone ends that were shaped like modern human bones, and unlike ape bones.

Genetic studies such as this one may help anthropologists understand those migrations — and their timing — even better by giving them a genetic «clock» to use when studying today's humans, or potentially DNA extracted from ancient bones.

According to certain tenets of traditional Chinese medicine, tiger bone steeped in wine is thought to relieve human bone ailments like arthritis and bear penis is used to treat, well, you get the idea.

BARE BONES Differences between the skeletons of modern humans (back) and Neandertals (front) may stem from the way the groups use some genes involved in bone growth.

• Piero Anversa at New York Medical College in Valhalla, New York, and Donald Orlic at the National Human Genome Research Institute in Bethesda, Maryland, used mouse bone marrow to repair damaged mouse hearts.

The use of bone marrow - derived stem cells is well established in the treatment of human cancer patients, and veterinary applications for bone marrow - and adipose - derived stem cells are being evaluated.

• News from the World of Adult - Stem Cell Research • At the University of California at Los Angeles, Marc Hedrick's team used human adult fat cells extracted during liposuction to make cells resembling cartilage, bone, and muscle.

University of Wisconsin computational engineer Vadim Shapiro says the technology used to analyze David could help in the design of human joint replacements that distribute stress to bones in a natural way.

Using a high - resolution CT scan — think of it as a 3 - D X-ray — their team documented that human hand bones show increased internal density in response to certain types of stress and repetitive motion, particularly that associated with the manufacture and use of stone tools.

Other examples include bone that shows signs of human modification, fire cracked rocks from a hearth or plant material used for food.

Although these bones are unusually thick — a fact initially used to argue for their prehistoric origin — De Groote says they aren't outside the range of normal human variation.

Using radiocarbon dating techniques on samples that included human bone, they dated the flood to 1920 BC.

Now, a study uses a new method that relies on ancient proteins to identify and directly date Neandertal bone fragments from Grotte du Renne and finds that the connection between the archaic humans and the artifacts is real.

The physical excavation (video) of Silbury Hill, along with studies using ground - penetrating radar and seismic sonar equipment, has shown that there is not a single human bone in the mound.

Future research Because there are few salivary gland stem cells in the human mouth, the scientists plan to continue using rat salivary glands to refine the process, but eventually hope to use stem cells derived from human bone marrow or umbilical cord blood to regenerate salivary glands for humans.

«Our group pioneered the development of cell culture technology for harvesting large numbers of stem cells from human bone marrow and human umbilical cord blood,» Dr. Yeh said, noting that stem cells from these two sources are abundant and can be guided into different types of cells using tissue engineering.

They then used human stem cells derived from bone marrow that would normally become bone cells to test the effects of the nanoparticles on stem cell proliferation and differentiation.

Rupp builds her skeletons using bones from the most commonly killed birds; worldwide, humans eat 77 million tons of poultry annually, the equivalent in weight to more than 200 Empire State Buildings.

Using stem cells harvested from human bone marrow, researchers transplanted cells into mice modeling ALS and already showing disease symptoms.

When modern humans use a forceful precision grip frequently during childhood, their bones adapt: Tiny spicules, or filaments, of bony tissue called trabeculae form and act as struts to provide more bone density — and strength — where the forces are greatest.

When the team scanned hand bones from four members of A. africanus that lived in South Africa between 2 million and 3 million years ago, they found that the pattern of the trabecular bone was asymmetrical, as in modern humans and Neandertals that use tools frequently (as they also show in their study).

In future research, we will examine whether this technique also works in even larger bone defects and by using human cells.»

The technique relies on the radioactive isotope carbon - 14, whose radioactivity diminishes over time in a predictable manner, allowing researchers to calculate the age of ancient human sites using charcoal from fires or the bones of the prehistoric humans themselves.

The team's target was stem cells derived from human fat, or human adipose (hASC) cells and the process these stem cells use to convert to bone cells when stimulated to do so.

Now, using an established scientific method, University of Missouri researchers are able to watch how human fat cells transform into bone tissue cells; in the process the research team has uncovered information about osteoporosis in older women.

In a paper published August 17, 2017 in the journal PLOS ONE, an international team of researchers, led by Director Nicole Boivin of the Max Planck Institute for the Science of Human History, used new techniques to analyze ancient DNA and proteins from 496 bone samples from 22 island, coastal and inland sites in eastern Africa.

The research, titled «Human - like hand use in Australopithecus africanus, shows that Australopithecus africanus,» a 3 - 2 million - year - old species from South Africa traditionally considered not to have engaged in habitual tool manufacture, has a human - like trabecular bone pattern in the bones of the thumb and palm (the metacarpals) consistent with forceful opposition of the thumb and fingers typically adopted during toolHuman - like hand use in Australopithecus africanus, shows that Australopithecus africanus,» a 3 - 2 million - year - old species from South Africa traditionally considered not to have engaged in habitual tool manufacture, has a human - like trabecular bone pattern in the bones of the thumb and palm (the metacarpals) consistent with forceful opposition of the thumb and fingers typically adopted during toolhuman - like trabecular bone pattern in the bones of the thumb and palm (the metacarpals) consistent with forceful opposition of the thumb and fingers typically adopted during tool use.

Here we show that Australopithecus africanus (~ 3 to 2 million years ago) and several Pleistocene hominins, traditionally considered not to have engaged in habitual tool manufacture, have a human - like trabecular bone pattern in the metacarpals consistent with forceful opposition of the thumb and fingers typically adopted during tool use.

Surgeons report success in first human bone growth procedure using fat stem cells — with no culturing necessary

Once exhumed, the bones revealed striking marks that reflected the methods the early humans used to process and eat the turtles.

Using human fat - derived stem cells from young (aged 24 - 36 years), middle - aged (aged 48 - 55 years) and elderly (aged 60 - 81) participants, the team used ECIS to collect complex measurements during the growth and differentiation stages the hASC exhibited as they converted to bone cells.

Archaeologists studying totoaba bones from Rancho Punta Estrella — a site in Baja California occupied by humans 10,000 years ago and then again 5000 years ago — used a special bone from the fish's inner ear, called an otolith, to help them reconstruct the totoaba's early environment.

This is because X-rays are only able to distinguish between materials with different densities, which is why they can be used to image bones that are inside the human body or buried within a rock.