Clinicians have a potential source of neural cells for treating stroke or Parkinson?s victims, and
pancreas cells for treating diabetes patients.
Not exact matches
This type of diabetes strikes in the early teenage years and begins with the immune system destroying the
cells in the
pancreas that produce insulin, according to Patrick Holford, founder of the Institute
for Optimum Nutrition in London.
Insulin is secreted by the
pancreas, and is responsible
for carrying sugar into the
cells of the body where it can be used
for energy.
GABA has been known
for decades to be a key neurotransmitter in the brain, a chemical that nerve
cells use to communicate with each other, but its role in the
pancreas was unknown until the 2011 paper by Drs. Prud «homme and Wang.
«Studying human islet
cells has been a major challenge in the field of diabetes research
for decades because the
pancreas essentially digests itself shortly after a person's death,» said professor of developmental biology Seung Kim, MD, PhD.
If the finding that resident memory T
cells are the most potent mediators of immunity holds up in different types of cancer, which I think it will, you could take a biopsy of the lung or the
pancreas,
for example, to see if there are resident T
cells there.
Naidoo is also senior author of a follow - up study in Aging
Cell this month that shows,
for the first time, an effect of sleep deprivation on the UPR in peripheral tissue, in this case, the
pancreas.
Just as in pregnancy, the
cells in the
pancreas that are responsible
for the production of insulin change.
But that production stops after a meal, when insulin is released by the
pancreas and performs its main task of removing sugar from the blood and shepherding the glucose to multiple types of
cells that absorb it
for energy.
In an online issue of Cancer Discovery, the scientists described the molecular steps necessary
for acinar
cells in the
pancreas — the
cells that release digestive enzymes — to become precancerous lesions.
Gobbling a slice of sweet pumpkin pie,
for instance, causes beta
cells in the
pancreas to secrete insulin, a hormone that allows the uptake of glucose and most amino acids into the tissues.
From these early studies, it became clear that insulin (a hormone secreted by the
pancreas that signals
cells to absorb sugar) and its receptors are critical
for longevity in species from yeast or fungi to humans.
But matching the precise insulin control achieved by the healthy
pancreas is almost impossible, so researchers have hoped
for decades to find a way to replace the missing
cells.
Accounting
for about 1 percent of all pancreatic cancers, pNET is a cancer of the endocrine
cells, known clinically as the islets of Langerhans, which exist in small clusters throughout the
pancreas.
A number of radiotherapies that marry a small but potent amount of radioactive material and a targeted molecular compound have been gaining traction as progressive treatments
for malignant NETs, which can develop wherever nerve
cells and hormone - producing endocrine
cells are present (e.g., gastrointestinal tract,
pancreas, lungs, thyroid).
A ONE - OFF treatment
for diabetes is a step closer thanks to a better understanding of how human liver
cells can be transformed into something like the beta
cells that produce insulin in a healthy
pancreas.
Type 1 diabetes occurs when the
pancreas doesn't produce any insulin, which moves glucose from the bloodstream to the body's
cells to be used
for energy.
There do not appear to be any stem
cells for beta
cells, the
pancreas's insulin - producing
cells.
After an asymptomatic period, when the
pancreas cell destruction is complete and the clinical diagnosis is done, the disease requires insulin administration
for life.
«Rebooting» ordinary
pancreas cells so they produce insulin could potentially help people with type 1 diabetes manage their blood sugar levels without the need
for daily injections.
Don't call them stem
cells just yet, but researchers say they have discovered a rare and long - sought class of
cell in adult mice that is responsible
for patching up an injured
pancreas.
The healthy
pancreas can at times boost its production of β
cells, both in response to injury and to increased demand
for insulin —
for example, during pregnancy.
And because the immune system learns to recognize
pancreas cancer
cells, the drug may control tumors
for a very long time.
«In type 2 diabetes, glucose does not enter the
cells and increased levels of insulin, resulting from an overburdened
pancreas, do nothing to facilitate glucose entry into
cells for producing energy,» Martins - Green said.
Fig. 3 D shows one representative image of that costaining
for an animal of the group treated with Tg - hIAPP
pancreas homogenate and sacrificed at 20 wk old, depicting the ThS signal in association with β
cells.
Stem
cells can morph to take on any role in the body, making them theoretically useful to treat conditions ranging from type 1 diabetes (replacing insulin - producing
cells in the
pancreas) to heart disease (taking over
for damaged heart
cells).
For them, the loss of insulin - producing beta
cells in their
pancreas tends to be gradual, a result of overworking the
cells.
«This data allows classification of all human protein - coding genes into those coding
for house - hold functions (present in all
cells) and those that are tissue - specific genes with highly specialized expression in particular organs and tissues, such as kidney, liver, brain, heart,
pancreas.
For quality control, researchers want to figure out how to ensure that the stem -
cell - derived cardiac muscle or neural progenitor or
pancreas cells (or whatever) are as pure as possible.
Additionally, ERCs were reported to be able to differentiate into, or become,
cells from the three different germ layers (see the previous post on MSCs
for more details): mesoderm (muscle, bone, fat, cartilage, and endothelial
cells), ectoderm (neurons), and endoderm (liver,
pancreas, and lung
cells)(Meng et al., 2007; Patel et al., 2008).
Currently, the best approach
for predicting those at risk
for developing T1DM before symptoms appear is by measuring autoantibodies to islet
cell antigens in the
pancreas.
Selective targeting of the neurotransmitter that differentially affects brain
cells that control the two distinct functions of the
pancreas may allow
for new medication therapies
for conditions like diabetes, dyspepsia and gastro - esophageal reflux.
Marciniak A, Cohrs CM, Tsata V, Chouinard JA, Selck C, Stertmann J, Reichelt S, Rose T, Ehehalt F, Weitz J, Solimena M, Slak Rupnik M, Speier S Using
pancreas tissue slices
for in situ studies of islet of Langerhans and acinar
cell biology.
Novocell scientists pioneered a differentiation process that successfully engineers hES
cells into definitive and pancreatic endoderm
cells necessary
for pancreas formation.
This pathway was not considered to be important in the insulin - secreting
cells of the
pancreas and thus was overlooked in the search
for diabetes genes.
The
pancreas makes a hormone called insulin that processes glucose, moving it from the bloodstream into the body's
cells where it is used
for energy.
«The most important application of this patent will be the use of our patented human endoderm
cells to screen
for agents that potentially affect endoderm differentiation,
for example, to any of the important
cells derived from endoderm such as lung, liver, intestine,
pancreas, thymus, parathyroid and thyroid.»
For example, liver
cells may be coaxed to produce insulin, which is normally made by the
pancreas.
We have discovered multiple genes critical
for generating liver and
pancreas cells and have created novel animal models
for diseases such as diabetes and Alagille Syndrome.
For patients with type 1 diabetes, and some cases of type 2 diabetes, the
pancreas fails to produce effective beta
cells, the
cells that monitor blood sugar and release insulin to keep glucose levels normalized.
1) The discovery that pancreatic beta
cells, which produce insulin, have the ability to be regenerated from stem
cells or ductal
cells in the
pancreas, indicating that one potential treatment
for type 1 diabetes is to stimulate beta
cells to regrow even after many years of living with diabetes
Human skin
cells have also been directly converted into neurons that can be used to study and find treatments
for diseases in the brain, as well as liver
cells and insulin - producing
cells of the
pancreas.
The treatment could provide what the company calls a virtual cure
for Type 1 diabetes, which is caused by a lack of insulin - producing «islet»
cells in the
pancreas.
For example, we're one of a handful of hospitals in the country to offer total pancreatectomy with islet
cell autotransplantation (autologous islet
cell transplantation), a procedure aimed at preventing diabetes or reducing its effects after removal of the
pancreas due to pancreatitis.
«In addition to organ transplants there could also be potential
for using animal
cells, where transplants of
pancreas cells could help the many diabetes sufferers.
As a result, your
pancreas starts pumping out more insulin, which is responsible
for the transport of glucose to the
cells, where it is either stored as fat, or burned as a fuel.
It helps regenerate beta
cells in the
pancreas, which secrete insulin in order to take up sugar into the
cells for energy.
Its power
for promoting healthy blood sugar levels fall in its ability to activate beta
cells in the
pancreas.
Insulin is a hormone made and released into the blood by the
pancreas, and its job is to shuttle nutrients (and glucose in particular) into
cells for use.
As blood sugar levels rise, insulin is released from the
pancreas to shove that sugar into your
cells for energy.