Sentences with phrase «human tissue culture»

We combine it with the use of human tissue culture cells in which we validate some of the results obtained in egg extract.

Ralf Kittler (Buchholz, MPG)-- «Functional genomic analysis of cell cycle progression in human tissue culture cells» (2006)

At the time, his varied interests — in the use of skin cell culture to treat burns, in human tissue cultures, and in biopharmaceutical production — led him to do his final year, 6 - month project on culture in a bioreactor.

Lumsden and his team tested the new nanoparticles in human tissue cultures, observing where the tPA arrived and exactly how long it took to destroy blood clots.

Not exact matches

Scientists are forced either to experiment on whole animals, which is expensive, raises ethical issues and may not predict effects in humans, or to perform tests on microscopic human cells found in tissue cultures, which have been altered to live forever and bear little relation to actual living, breathing people.

Some of the leading non-animal tests are conducted on cell cultures, human and animal corneas from eye banks, corneal tissue cultures, and frozen corneas supplied by hospitals.

Pseudomonas also will kill human lung cells in tissue culture dishes.

As it can take weeks to grow human cells into intact differentiated and functional tissues within Organ Chips, such as those that mimic the lung and intestine, and researchers seek to understand how drugs, toxins or other perturbations alter tissue structure and function, the team at the Wyss Institute for Biologically Inspired Engineering led by Donald Ingber has been searching for ways to non-invasively monitor the health and maturity of cells cultured within these microfluidic devices over extended times.

It is unclear whether shrinking telomeres will be problematic in culturing human tissue transplants, but if it turns out they are, Geron has an answer for that too.

In rats and tissue cultures of human nerve cells, these «beta sheet breakers» not only prevent amyloid plaques from forming, but also dissolve existing plaques.

In studies with human fibroblasts that make up connective tissue, Boger's team tested whether NOD1 activity could affect CMV replication in cultures of cells grown in the lab.

To test their hypothesis, the researchers harvested dermal papillae from seven human donors and cloned the cells in tissue culture; no additional growth factors were added to the cultures.

The main reason that rodent hair is readily transplantable, the researchers suspected, is that their dermal papillae (unlike human papillae) tend to spontaneously aggregate, or form clumps, in tissue culture.

While there, he worked with cell cultures derived from human fetal tissue.

But Stanford University neuroscientist Sergiu Paşca has crafted a method for making and maintaining 4 - millimeter - wide balls of human cortex — like tissue (he calls them spheroids) in 3 - D culture for an extended time.

protected animals»); studies on in vitro systems (whole perfused organs, tissue slices, cell and tissue cultures, and subcellular fractions); and human studies (including estimations of occupational and environmental exposure, postmarketing surveillance, epidemiology, and the ethical and strictly controlled use of human volunteers).

One postdoc presents data on her efforts to develop an organoid model for small - cell lung cancer; another reports progress on culturing hormone - secreting organoids from human gut tissue.

Prior research with cultured tissue had shown that a mix of chemicals could change bone marrow stem cells from mice to those resembling brain cells, but when a team led by neurologist Lorraine Iacovitti of Thomas Jefferson University in Philadelphia tried the same brew on human cells, the number altered was modest.

When they added these proteins to cultures of brain tissue from aborted human fetuses, the tissue formed folds, as it does in human fetuses at about 20 weeks of gestation.

They confirmed low levels of miR - 184 expression in human glioma tissue samples and cultured cell lines as well as an increase in the expression of SND1 compared to normal brain tissue.

Then, by placing surface proteins of each HCV virus onto these pseudoviruses, the researchers were able to efficiently infect human cells with the HCV strains in tissue culture.

«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.

We're now exploiting these ideas in the construction of high performance electronic scaffolds for actively guiding and monitoring growth of tissue cultures, and networks for 3D electronic systems that can bend and shape themselves to the organs of the human body.

In short, this technique involved culturing human fibroblasts from scar tissues in a petri dish.

All human cell lines growing in tissue culture dishes, and about 95 % of cells in a human being, split evenly, resulting in daughter cells of equal size.

«The region selective - state of these stem cells is entirely novel for laboratory - cultured stem cells and offers important insight into how human stem cells might be differentiated into derivatives that give rise to a wide range of tissues and organs,» says Jun Wu, a postdoctoral researcher in Izpisua Belmonte's lab and first author of the new paper.

Comparison of Human alveolar osteoblasts cultured on polymer - ceramic composite scaffolds and tissue culture plates.

Because of the lack of suitable tissue culture or animal models, studies to track their environmental sources and their pathogenesis in humans and identify emergent strains have been difficult.

The team found that DHEA speeds up the circadian rhythm in human cells, as well as in cultured cells and tissues of mice.

7/16/2008 Improved Culture System for Hepatitis C Virus Infection A University of California, San Diego School of Medicine researcher has developed the first tissue culture of normal, human liver cells that can model infection with the Hepatitis C virus (HCV) and provide a realistic environment to evaluate possible... Culture System for Hepatitis C Virus Infection A University of California, San Diego School of Medicine researcher has developed the first tissue culture of normal, human liver cells that can model infection with the Hepatitis C virus (HCV) and provide a realistic environment to evaluate possible... culture of normal, human liver cells that can model infection with the Hepatitis C virus (HCV) and provide a realistic environment to evaluate possible... More...

Researchers had developed the technologies needed to create organoids years before — how to grow cells in culture, how to isolate stem cells from human tissue, and how to coax the stem cells, undifferentiated and immature, to become specific types of cells at later stages of development.

Now, instead of dropping a dollop of shampoo in a rabbit's eye to check for an allergic reaction, the shampoo goes into a dish containing cultured human cells or artificial skin tissue.

Human astrocytes were purchased from Sciencell Research Laboratories (isolated from human cerebral cortex, Cat # 1800, Carlsbad, CA) and were cultured in human astrocyte medium (Sciencell, Cat # 1801) on poly - L - lysine coated tissue culture diHuman astrocytes were purchased from Sciencell Research Laboratories (isolated from human cerebral cortex, Cat # 1800, Carlsbad, CA) and were cultured in human astrocyte medium (Sciencell, Cat # 1801) on poly - L - lysine coated tissue culture dihuman cerebral cortex, Cat # 1800, Carlsbad, CA) and were cultured in human astrocyte medium (Sciencell, Cat # 1801) on poly - L - lysine coated tissue culture dihuman astrocyte medium (Sciencell, Cat # 1801) on poly - L - lysine coated tissue culture dishes.

In tissue culture the wild oregano oil virtually completely destroyed the human coronavirus, a 99.9 % kill, in a mere 20 minutes.

A tissue culture study of human breast - cancer cells found that epigallocatechin gallate, or EGCG, an active compound in green tea, protects against some forms of breast cancer by regulating estrogen receptors on breast cells and inhibiting growth and reproduction of estrogen - dependant breast - cancer cells.

A flavorful component of cinnamon oil, called cinnamaldehyde, may help prevent colon cancer, according to a tissue culture study of human colon cancer cells published in the May 2010 issue of the journal «Molecules.»

Microscopy Tissue Culture Multi-Color Flow Cytometry Assay Development High - Content Imaging Protein Expression & Purification Techniques Molecular Genetics Techniques Western Blot ELISA Immunofluorescence Microscopy Human Primary Cell Culture Data Analysis