Not exact matches
In past projects, scientists have tried to derive various
types of differentiated cells from stem cells — such
as bone,
tissue, nerves or fat — directly from hiPSCs.
Action potentials can be created by many
types of cells, but are used most extensively by the nervous system for communication between neurons and to transmit information from neurons to other body
tissues such
as muscles and glands.
The newly discovered human cells, named «cord - blood - derived embryonic - like stem cells» or CBEs, are not quite
as primitive
as embryonic stem cells, which can give rise to any
tissue type of the body.
Such antibodies, when attached to DNA in complexes, get lodged in the walls
of arteries and in
tissues to cause inflammation that damages blood vessels, skin, joints and the kidneys
as part
of the most severe
type of lupus, systemic lupus erythematosus (SLE).
Using what's known
as multimodal imaging technologies, which combine several methods such
as PET - CT and simultaneous measurement, scientists can represent the different
types of tissue without penetrating them.
Stem cells have the prized ability to divide and replenish themselves,
as well
as turn into different
types of tissues.
The company's goal is to create a comprehensive source
of stem cells that could be
of particular use for treating people
of Middle Eastern descent, whose
tissue types are often underrepresented in the public
tissue banks such
as those in the U.S. and elsewhere.
To explore these questions Akiko Iwasaki, professor
of immunobiology and investigator
of the Howard Hughes Medical Institute, and her co-authors observed replication
of the Zika virus in the vaginal
tissue of control, wild -
type mice (genetically unmodified mice) and mice lacking genes that regulate immune system proteins known
as type I interferons.
In Arabidopsis,
as in most plants, there is a specific zone near the tip
of the root where stem cells transition from a stage
of proliferation to one where they differentiate into specific
tissue types.
Adult stem cells: They have less flexibility and «stemness» to change into different cell
types, but they can still produce new cells, specialized to become part
of a particular organ or
tissue, such
as muscle cells or neural cells.
The excess scar
tissue that forms
as a result
of this
type of hair loss may also explain the higher risk for uterine fibroids, which are characterized by fibrous growths in the lining
of the womb.
Historically, clinicians evaluating a patient for transplant have sought to identify donor cells that are perfectly matched to the patient's cell
type, which is considered to be the optimal approach to help ensure successful outcomes and to minimize risk
of graft - versus - host disease (GVHD), a serious and potentially life - threatening complication that occurs when the donated immune cells attack the patient's cells
as foreign
tissue.
Because different
types of tissue absorb emissions from the nanotubes differently, the scanner took readings from many locations to triangulate the tumor's exact location,
as confirmed by later MRI scans.
There is evidence that chronic disabilities such
as spinal cord lesions, diabetes, and Parkinson?s disease, where replacement
of just one cell
type restores
tissue function, can be treated with differentiated embryonic stem cells.
This same feature, tumor heterogeneity, may reduce the ability to identify critical gene expression changes when comparing mean gene expression in adjacent tumor and normal
tissues,
as tumors
of the same
type may have different sets
of genes differentially expressed.
As «immature» somatic cells, stem cells can mature into different
types of cells, thus making them responsible for the development
of all the
tissues and organs in the body.
Type 3 ILCs (ILC3s) are in addition essential for the development
of lymphoid organs such
as lymph nodes and for
tissue repair.
A study published July 6th in the journal Oncotarget reports on a newly discovered category
of tRNA fragments
as well
as shows that all tRNAs are rich sources
of very diverse short molecules whose characteristics depend on a person's gender, population, and race and differ according to
tissue and disease
type.
Normally, adult stem cells can only morph into the
type of tissue in which they reside, such
as blood, brain or muscle.
There are two
types of fat in humans: white adipose
tissue, which makes up nearly all the fat in adults, and brown adipose
tissue, which is found in babies but disappears
as they age.
To demonstrate the precision
of the technique and its ability to generalize to many different human
tissue types, the research team created several proof -
of - principle organoid arrays mimicking human
tissues such
as branching vasculature and mammary glands.
These cells — capable
of generating all cell
types in the body — could be used
as the «Lego bricks» to build
tissue constructs, larger structures
of tissues, and potentially even micro-organs.
«Our work is pointing to reserve stem cells
as being the critical players in conferring the benefits
of intestinal -
tissue regeneration after these
types of insults.»
Many
tissues of our bodies, such
as our skin, can heal because they contain stem cells that can divide and differentiate into the
type of cells needed to repair damaged
tissue.
The 1 - 3 millimeter granuloma also contains fibrous and necrotic
tissue as well
as a number
of other
types of immune cells, making it an extremely complex structure.
So, at the dawn
of our universe — and I have to emphasize our universe, because there could be others — so, dawn
of our universe, physicists think there was one
type of force, one
type of matter and that
as the cosmos expanded,
as space expanded, it cooled and things started to condense out like snow flakes, and over time that single force broke, it differentiated; and something similar happens in the human body
as we develop from a single cell; we differentiate, different
tissues form in our bodies, different layers
of tissues.
Standard
tissue engineering involves seeding
types of cells, such
as those that form ear cartilage, onto a scaffold
of a polymer material called a hydrogel.
Basically, when you look at different
types of cells, such
as fibroblasts, which form connective
tissue, or epithelial cells, from saliva, you see general correlations within a person.
But many in the field will be waiting for the next steps: testing whether the resulting mouse pups are genetically normal, trying out the technique in other animals, and using other and less controversial
types of cells — such
as stem cells that can be extracted and cryopreserved from adult testicular
tissue —
as the starting point.
Overall, including all genomic variations present in most if not all tumor cells (clonal)
as well
as those present only in subsets
of the cancer cells (subclonal) from tumor
tissue, the researchers detected a total
of 864 genetic changes in
tissue samples across the three tumor
types, and 627 (73 %)
of those were also found in the blood.
He thinks the data might not move
as quickly when travelling through different
types of tissue.
He thinks the data might not move
as quickly when it has to travel through different
types of tissue.
Scientists hope to use stem cells, which can develop into nearly any
type of tissue in the body, to treat a variety
of diseases
as well
as to study basic biology (ScienceNOW, 30 November).
This
type of minor damage, called «subfailure damage,» is associated with common injuries to connective
tissues such
as ligament and meniscus tears and various
types of tendinitis such
as tennis elbow and rotator cuff tendinopathy.
The ability
of scientists to convert human skin cells into other cell
types, such
as neurons, has the potential to enhance understanding
of disease and lead to finding new ways to heal damaged
tissues and organs, a field called regenerative medicine.
Pluripotent cells can become any
of the cell
types usually found in the body — although there are certain special
types of tissue, such
as placenta, that they can't form.
This causes the body's white blood cells to release
type 1 interferon - alpha, a small cytokine protein that acts
as a systemic alarm, triggering a cascade
of additional immune activity
as it binds with receptors in different
tissues.
Clariom Pico assays can extract data from
as little
as 100 pg
of total RNA, from common and challenging sample
types (including formalin - fixed, paraffin - embedded
tissues and whole blood) without the need for globin messenger RNA reduction or ribosomal RNA removal.
Compared with adipose
tissue of lean individuals, adipose
tissue of the obese expresses increased amounts
of proinflammatory proteins such
as TNF - α, IL - 6, iNOS (also known
as NOS2), TGF - β1, C - reactive protein, soluble ICAM, and monocyte chemotactic protein - 1 (MCP - 1)(18 — 25), and procoagulant proteins such
as plasminogen activator inhibitor
type - 1 (PAI - 1),
tissue factor, and factor VII (26 — 28).
This series addresses the contribution
of cellular senescence to cardiovascular, neurodegenerative, and arthritic disorders
as well
as the senescent phenotypes in various
tissues and cell
types.
The team hopes to apply GLIM technology to human fertility research and treatment,
as well
as a range
of different
types of tissue research.
Indeed, in our
tissues we found these
type of cells are indeed present, and associated with the vasculature
as can be seen in the immunohistochemistry for NG2 and PDGF receptor beta.
The researchers examined millions
of these genetic code variations, known
as single nucleotide polymorphisms (SNPs) and found thousands that control DNA methylation in some or all
tissue types.
Scientists describe its stem cells
as universal «blank slates,» because each can mature into any
type of tissue.
Next - generation «designer matrices» such
as hybrid polyethylene glycol hydrogels or microengineered collagen scaffolds, combined with a well - defined set
of laminins, may better fulfill the niche requirements
of organoids and may be customized for a specific
type of tissue / organoid (2,6).
Interleukin 17 is a cytokine that acts
as a potent mediator in delayed -
type reactions by increasing chemokine production in various
tissues to recruit monocytes and neutrophils to the site
of inflammation, similar to Interferon gamma.
Humans obviously regenerate some cell
types very well, such
as skin, muscle and liver cells, but almost not at all in cells
of the nervous system or with any complex
tissue systems.
The authors note that the formation
of each different organ bud
type may require some fine tuning to optimize
tissue self - organization, and further addition
of neural cell
types may be necessary, but this research may soon provide exciting model systems for the study
of basic biology and pathology
as well
as providing appropriate replacement
tissues for the treatment
of many patients with no other viable options.
Overton studied the elaborate structures on the surfaces
of cells in order to understand how single cells established and maintained connections with their partners
as they matured to form different
types of tissues in the developing embryo.
«There are other vertebrates, such
as zebrafish, bichir and axolotl, which can regenerate many more different
types of tissues, including limbs or appendages.