Sentences with phrase «stem cell biologists»

The findings, published in Nature Medicine in 2003, brought clarity to a field roiled by controversial reports and propelled Camargo into a premier league of stem cell biologists.

Feb 2009 - Scientists fight for academic freedom EuroSyStem scientist Elena Cattaneo challenges Italian government The Italian government has excluded human embryonic stem cells from a recent 8 - million - Euro funding opportunity for stem cell biologists.

April 2011 - Italy's Next Generation of Stem Cell Biologists An ambitious event by Italian biologists and EuroStemCell promote stem cell science On 18th March 2011 an extraordinary large - scale schools event took place in four Italian cities simultaneously.

This will attract scientists from developmental and stem cell biologists, systems biologist, biophysicists, and tissue engineers to clinicians.

But like the medieval alchemists, today's cloning and stem cell biologists are working largely with processes they don't fully understand: What actually happens inside the oocyte to reprogram the nucleus is still a mystery, and scientists have a lot to learn before they can direct a cell's differentiation as smoothly as nature's program of development does every time fertilized egg gives rise to the multiple cell types that make up a live baby.

Stem cell researchers in Boston and in Stockholm confronted a bizarre and uncomfortable situation last week: accusations of scientific fraud from an anonymous e-mail address, sent not only to the researchers in question but also to other prominent stem cell biologists, several scientific journals, and reporters.

His ambitions got a major boost in 2014, when a friend from New Harvest, a nonprofit institute that supports work in cellular agriculture, offered to introduce him to Genovese, a stem cell biologist.

An immune response, triggered by foreign neural stem cells, could actually help attack tumors, says Evan Snyder, a stem cell biologist at Sanford Burnham Prebys Medical Discovery Institute in San Diego, California, and one of the early pioneers of the idea of using stem cells to attack tumors.

But few have tried this in people, in part because getting those neural stem cells is hard, says Shawn Hingtgen, a stem cell biologist at the University of North Carolina in Chapel Hill.

«At face value, it looks very interesting,» says Rudolf Jaenisch, a stem cell biologist at the Whitehead Institute for Biomedical Research in Cambridge, Massachusetts, who hopes that other teams will soon repeat the experiments.

«It's an exceptionally inefficient technique,» observes Evan Snyder, a stem cell biologist at the Burnham Institute for Medical Research in La Jolla, California.

Future research should not only compare how embryonic stem cells, iPS cells and adult stem cells differentiate, but focus on what effects the niche in which these cells will reside, when transplanted, will have on their characteristics, including tendencies to mutate into cancer cells, notes cell and stem cell biologist Olga Genbacev at the University of California, San Francisco, (U.C.S.F.) School of Medicine.

A former postdoctoral researcher who worked in the lab of a promising stem cell biologist engaged in scientific misconduct, faking images and other data in two papers that were later retracted, according to U.S. government investigators.

That gap motivated stem cell biologist Takanori Takebe and his colleagues at the Department of Regenerative Medicine at Yokohama City University in Japan to find an alternate solution.

«My sense is that there are different groups out there doing this kind of work, but they haven't opened up their labs» to reporters, says stem cell biologist Paul Knoepfler at the

But when stem cell biologist Derrick Rossi's team at Boston Children's Hospital used pseudouridine - containing mRNA to encode proteins that transformed mature cells into stem cells, he found quite a few ears.

Stem cell biologist Harry Moore at the University of Sheffield in the UK worries that sperm created from bone stem cells could have undetectable abnormalities that could cause disease in offspring.

«When patients get desperate, they have a capacity to suspend disbelief,» said Sean Morrison, a stem cell biologist at the University of Texas Southwestern Medical Center in Dallas.

Stem cell biologist Amy Wagers and cardiologist Richard Lee, both of the Harvard Stem Cell Institute, wondered if any circulating factors, in young blood, such as hormones, might affect aging hearts.

However, only rigorous science and responsible regulation can ensure the safe and effective translation of science into effective therapies,» remarked Paolo Bianco, Pathologist, Stem Cell Biologist, Professor of Pathology at the University of Roma «La Sapienza» and one of the 13 authors of the commentary who come from Italy, Germany, the United Kingdom, The Netherlands and the United States.

The paper doesn't include any genetic analysis of the final eggs that confirms they are healthy, notes Mitinori Saitou, a stem cell biologist at Kyoto University in Japan whose team developed methods to create mouse egg cells from embryonic or reprogrammed stem cells.

«The long run's getting a lot closer,» says stem cell biologist James Thomson of the University of Wisconsin School of Medicine and Public Health in Madison, a senior author of one of the studies.

«I don't think that the antiscientific trend is an Italian anomaly,» says Paolo Bianco, a stem cell biologist at La Sapienza University in Rome and one of the speakers in that city's event.

But stem cell biologist and physician Michele De Luca of the University of Modena and Reggio Emilia in Italy and his colleagues have been developing a way to counteract an EB - causing mutation by inserting a new gene into the cells used for grafts.

Wagers, then a postdoctoral fellow in the Stanford University lab of stem cell biologist Irving Weissman, spent a week in Verfaillie's lab in 2002 trying to learn to culture MAPCs.

Named to the panel are Patrick Aebischer, president of the École Polytechnique Fédérale de Lausanne in Switzerland; Brazilian stem cell biologist Stevens Rehen; and Alan Rudolph, a former official of the U.S. Defense Advanced Research Projects Agency now with the International Neuroscience Network Foundation in New York City.

«The culture conditions needed to grow various kinds of stem cells can be very tricky,» down to the source of the water, says neural stem cell biologist David Anderson of the California Institute of Technology in Pasadena.

Moriguchi's stem cell experiment is «something that's completely eye - catching,» agrees Kevin Eggan, a stem cell biologist at Harvard University and chief scientific officer of The New York Stem Cell Foundation, which held its annual translational research meeting last week.

Meanwhile, the Food and Drug Administration (FDA) has erected roadblocks in front of a fertility specialist and a stem cell biologist who want to clinically test a different IVF strategy: swapping out a woman's mitochondria by transferring chromosomes from her egg into an egg from another woman.

«It all smells really bad,» says stem cell biologist Sean Morrison of the University of Michigan at Ann Arbor Center for Stem Cell Biology.

«There's good reason to believe the rules will be the same» for human and mouse cells, says stem cell biologist Kevin Eggan of the Harvard Stem Cell Institute (HSCI).

Scientists were even more stunned in July 2002 when researchers led by stem cell biologist Catherine Verfaillie at the University of Minnesota reported that bone marrow — derived cells they had injected into young embryos contributed to all three embryonic layers, just as embryonic stem cells would do.

Eva Mezey, a stem cell biologist at the National Institutes of Health who published one of the transdifferentiation studies and stands by the effect, notes that embryonic cells are naturally more versatile than adult stem cells.

«The studies seem carefully done to me,» says stem cell biologist Sean Morrison of the University of Michigan Medical School, who has not studied the new paper.

A stem cell biologist known for work cloning mice, he says he was brought onto the team to produce the chimeric mice described in the paper.

«This is a first step, and there's a lot more that needs to be done,» says Song, a neuroscientist and stem cell biologist.

Stanford stem cell biologist and Forty Seven Inc. founder Irving Weissman, whose group pioneered research on CD47 in cancer, is a co-author on the new paper.

These lines are available for researchers funded by the US National Institutes of Health (NIH) and the California Institute for Regenerative Medicine (CIRM) in San Francisco, says Jeremy Crook, a stem cell biologist at the University of Melbourne, Australia, who led the team that made the lines.

«This unequivocally shows you can generate stem cells from primates, and we're primates,» says stem cell biologist Robert Lanza, chief scientific officer of the Worcester, Mass., company Advanced Cell Technology, who was not involved in the research.

Japanese stem cell biologist Hiromitsu Nakauchi is pioneering a technique that ultimately aims to implant human pluripotent cells into pig embryos to create replacement human tissues and organs.

«It is, I think, truly the first time any lab has been able to go all the way up to a live pup in vitro,» says Niels Geijsen, a stem cell biologist at the Hubrecht Institute in Utrecht, the Netherlands, «which is quite amazing, if this is indeed what happened.»

They then combined these in a dish with testicular cells from newborn mice in various culture conditions — a process that took hundreds of trials, says author Xiao - Yang Zhao, a stem cell biologist now at Southern Medical University in Guangzhou, China.

Stem cell biologist William Lowry of the University of California, Los Angeles, agrees.

The paper won't silence all doubts about iPS cells, says stem cell biologist Andras Nagy of the Lunenfeld - Tanenbaum Research Institute of Mount Sinai Hospital in Toronto, Canada.

«You have to be very cautious about the implications of this paper,» says stem cell biologist Mitinori Saitou, who led the Kyoto University team that first created PGC - like cells.

Stem cell biologist Shinya Yamanaka said via e-mail that Dolly's cloning motivated him to begin developing stem cells derived from adult cells — an accomplishment that won him a Nobel Prize in 2012.

Albert Edge, a stem cell biologist at Harvard Medical School in Boston, and his colleagues, attempted to identify the exact type of supporting cells that transform into sensory ones and fill in the gaps left by the damaged cells.

It's a «huge step,» agrees stem cell biologist Tim Townes of the University of Alabama, Birmingham, who was not affiliated with the study.

Another lab ran into a similar problem when it tried to replicate work by Stanford stem cell biologist Irving Weissman and his colleagues, who reported in 2012 in the Proceedings of the National Academy of Sciences that an antibody to a tumor cell surface receptor called CD47 can slow tumor growth in mice.

Stem cell biologist Young - sup Yoon and colleagues recently published a paper in Biomaterials in which the authors use chitosan, a gel - like carbohydrate material obtained by processing crustacean shells, to aid in cell retention and survival.