Sentences with phrase «forming cell shapes»

The gene discovered in the research couples the exocytosis - regulating protein Sec10 with formin, a protein that regulates the remodeling of the actin cytoskeleton critical to forming cell shapes.

Not exact matches

Instead of preparing to form fingers and toes and a brain like the rest of the embryo's cells, these ones are destined to form a disc - shaped organ that's chock - full of blood vessels and will take over for the corpus luteum in the second trimester: the placenta.

Using this mixture, the researchers were able to print living cells in a specific architecture, such as an ear shape, that maintained its form even after printing.

In people with sickle cell anemia, molecules of sickle hemoglobin clump together and form long rods that cause red blood cells to become rigid and take on a sickle shape.

Nevertheless, as Tobias says, it is still ``... a field beset with relatively few facts but many theories... The story of early hominid brains has to be read from carefully dated, well identified, fossilised calvariae, or from endocranial casts formed within them... Such materials confine the Hercule Poirot, who would read «the little grey cells» of fossil hominids, to statements about the size, shape and surface impressions... of ancient brains...» The other major limiting factor at the moment is the lack of suitable fossil skulls for such studies.

According to NHLBI, sickle cell anemia is the most common form of sickle cell disease, a serious disorder in which the body makes sickle - shaped red blood cells.

Sheldrake contends that the shapes cells assume and the forms of tissues, organs, and the whole animal — in other words, morphogenesis itself — are not explained by protein synthesis alone.

Six weeks later, spheroids from five of the seven donors had coaxed the skin cells around them to start rearranging, forming the telltale shape of a hair follicle, the team reports online today in the Proceedings of the National Academy of Sciences.

A protein that can switch shapes and accumulate inside brain cells helps fruit flies form and retrieve memories, a new study finds.

Intravital two - photon bone imaging is superior compared with conventional analyses of the shape and form of a tissue because it enables two - dimensional scanning in bone in a focal plane to observe cell shapes and the appearance of mOBs and mOCs in the body.

New research at Rice University suggests actin filaments that control the shape of neuron cells may also be the key to the molecular machinery that forms and stores long - term memories.

So over time, changes in the cytoskeleton form the shape and behavior of cells and, ultimately, the structure and function of the organism as a whole.

Now a team from the Massachusetts Institute of Technology reveals that the support cells dubbed astrocytes (because of their star - shaped bodies) form the link between neurons and blood vessels, as reported in the July 7 issue of the Proceedings of the National Academy of Sciences.

Some of these cells lost their star shape and began to form new nerve cells in a brain region responsible for smell.

«In a tumor, similarly, regions that develop these kinds of shapes may activate cells that can then escape and form more tumors.

Growth in accordance with their polarity allows cells to shape themselves in forms appropriate to their function.

Some of these clusters form at the cell poles, the rounded ends of rod - shaped bacteria like Escherichia coli.

Proteins in the cytoplasm form a highly structured yet changeable matrix affecting cell shape, division and motion, and the transport of vesicles and organelles.

The researchers found that Toxoplasma attaches to a cell, forming a ring - shaped junction.

Growing the virus gave scientists an opportunity to observe virus replication in unprecedented detail, revealing bizarre systems such as sun - shaped virus replication centers where the viruses form within cells.

One reason that fast - relaxing microenvironments promote more osteogenesis and form bone is that cells inside these matrices can mechanically remodel the matrix and more easily change shape, said Ovijit Chaudhuri, former postdoctoral fellow in the Mooney lab and co-first author.

They produced the first report of the EcPlt's active form inside human cells, describing how the chemical environment inside the cell caused the protein to change shape and activate.

Now, a team from Keio University in Japan, working with a researcher at Imperial College London, have discovered that the shape of the epidermal cells combined with their ability to temporarily glue together, may explain how they form this strong barrier.

They then used the so - called induced pluripotent stem cells (IPS cells) to reverse a mouse version of the genetic disorder sickle - cell anemia, which causes normally circular red blood cells to form sickle - shaped, thereby impeding blood flow.

Many plant epidermal cells form interlocking shapes that look like jigsaw puzzle pieces.

The cells that group together and stop to form the future organ also change shape, going from flat, crawling cells to upright, tear - shaped cells that come together like cloves in a bulb of garlic.

This response is triggered when the ER, part of the cell's protein assembly line, struggles to fold newly formed proteins into their exactly right shapes.

The CBM now forms the core of the new Kavli Institute at Trondheim, which was inaugurated in August 2007 and where research continues on grid cells, as well as areas such as understanding the role of the hippocampus in shaping memory.

The iPS cells from both line 11.1 and line 4.1 formed well - shaped EGFP - positive EBs (Figure 4A).

This visualization shows tightly - packed DNA in a mouse cell's nucleus at different stages of development, seen here in a semi-triangular form as a mature nerve cell; in a roundish shape as a multipotent stem cell; in a more oval form as a neuronal progenitor; and as a more fragmented structure that shows how removing a specialized binding protein (HP1β knockout) affects the structure of the DNA - packing material, called heterochromatin, in a mature neuron.

We made two critical discoveries: the signals occur while the embryo is still just a simple cup - shaped structure, before any organs have begun to form; and, from the very beginning, these cells are earmarked for either the left or right ventricle (chamber) of the heart.

A team at the University of Leeds has discovered that shaping gold nanoparticles in the form of minuscule tubes sees them take on a number of new properties, including the ability to be heated up to destroy cancer cells.

There are two types of nonmelanoma skin cancer, including basal cell carcinomas (they may be dome - shaped with visible blood vessels and can look like open sores that won't heal) and squamous cell carcinomas (they may form a crusty lump on the skin or rough, scaly patches that sometimes bleed).

Other proteins have structural or mechanical functions, such as those that form the cytoskeleton, a system of scaffolding that maintains the cell shape.

It's low, wide, and absolutely breathtaking, with a teardrop - shaped, carbon - fiber driver cell flanked by aggressive, air - channeling body structures formed out of composites and aluminum.

Ultra-high-strength parts made of hot - shaped steel form the backbone of the occupant cell.

High - end components of hot - shaped steel in the occupant cell form a strong, yet lightweight structure.

But the diptych is dominated by a large, organic, sprawling cell shape on the left, its inflated, microscopic form seemingly about to engulf the aforementioned table and its occupants, in a classic surrealist reversal of real - world perspectives.

With the interconnected fabric mats shaped to evoke biological cells or chemical flasks, each of these sculptures assumes a vital role in some form of organic circuit that flows through a portal - like shape mounted against the wall and framed with head - like ovoids, elongated staffs and open circles.

Animal skin comes together with wax, resin, cloth and rope to create mutilated human and animal shapes, as if stem cells have gone off on horrible tangents, reproducing unspeakable forms of flesh.

Lachowicz's Cell: Interlocking Construction (2010), a pleasing array of blue pigment within stacked irregularly shaped Plexiglas boxes wrestled Cubist forms out of their 2 - D sepia purgatory.

The towers are assembled from precast concrete panels and columns that are tied together on - site by cables to form hexagon - shaped cells.