Subsequent tests revealed that the retrovirus used to ferry the corrective gene into the DNA of blood -
making cells in the bone marrow had lodged in or near a gene that regulates T cells, possibly prompting their uncontrolled growth.
Not exact matches
The cancerous
cells win out over the healthy blood
cells in the
bone marrow, which
in turn leads to kidney problems when the cancer
cells make abnormal proteins instead of antibodies.
Such embryo research might teach us more about
cell differentiation and early embryo development, it might
make possible greater success
in bone marrow transplants, and it might help us to treat more successfully degenerative diseases and spinal cord injuries.
Jerrold Olefsky and colleagues at the University of California, San Diego, killed the
bone marrow cells in mice that
make immune
cells called macrophages.
Bone marrow transplants are sometimes needed to treat immune diseases that attack these stem
cells, or
in certain types of anaemia,
in which the body can't
make enough blood
cells or clotting factors.
The scientists suspected that the lost enzyme might affect the animals» mesenchymal stem
cells (MSCs)-- stem
cells found
in the
bone marrow that are capable of developing into both the
bone cells and fat
cells that
make up our skeletons.
By studying the receptor for thrombopoietin, called Mpl, on blood
cells in the
bone marrow, the team pinpointed the
cells involved
in making platelets after thrombopoietin stimulation, and
made an unexpected discovery.
Platelets are
made by enormous megakaryocyte
cells in bone marrow.
Pre-malignant MPN occurs when the
bone marrow makes too many blood
cells, and
in 10 per cent of patients can lead to overt leukemia.
The study developed a new
in vitro system
made from
bone marrow stem
cells and studied what would happen if its ambient temperature fell below 37 °C (the natural temperature of the human body).
In the paper that is now published, they make the stem cells in the bone marrow to produce more telomerase, thus enabling them to repair their excessively shortened telomere
In the paper that is now published, they
make the stem
cells in the bone marrow to produce more telomerase, thus enabling them to repair their excessively shortened telomere
in the
bone marrow to produce more telomerase, thus enabling them to repair their excessively shortened telomeres.
«Ferric citrate binds the phosphorus
in food and also increases iron
in the blood, and it allows patients to need less or no IV iron and medicines to
make their
bone marrow produce more blood
cells,» said Dr. Lewis.
These findings may help explain why some people with mutations
in certain ribosomal protein genes develop conditions such as Diamond - Blackfan anemia — a blood disorder
in which the
bone marrow doesn't
make enough red blood
cells — but don't have problems
in other body tissues, Ware says.
These so - called hematopoietic stem
cells (from Greek meaning «to
make blood») have been reliably used over the past 40 years to seed
bone marrow transplants
in the treatment of some cancers and immune disorders.
All immune system
cells are
made from stem
cells in the
bone marrow.
As part of a clinical trial conducted at Northwestern University
in Chicago, Illinois, Ildstad and colleagues extracted
bone marrow - producing
cells from kidney donors and then removed
cells likely to cause GVHD while expanding the number of «facilitating
cells» that
make an organ recipient's system more receptive.
In this tissue system, we can culture patient - derived megakaryocytes — the bone marrow cells that make platelets — and also endothelial cells, which are found in bone marrow and promote platelet production, to design patient - specific drug administration regimes.&raqu
In this tissue system, we can culture patient - derived megakaryocytes — the
bone marrow cells that
make platelets — and also endothelial
cells, which are found
in bone marrow and promote platelet production, to design patient - specific drug administration regimes.&raqu
in bone marrow and promote platelet production, to design patient - specific drug administration regimes.»
The concept was first tested inadvertently
in Germany
in 2006, when a person with leukaemia who was also HIV positive received a
bone marrow transplant that happened to come from someone whose blood
cells couldn't
make CCR5 proteins.
Although Osteolectin is known to be
made by certain
bone marrow and
bone cells, CRI researchers are the first to show Osteolectin promotes the formation of new
bone from skeletal stem
cells in the
bone marrow.
The diagnosis of multiple myeloma is
made by the presence of elevated abnormal plasma
cells in the
bone marrow.
(Epogen, Procrit) A man -
made version of a naturally occurring substance
in the body (erythropoietin) that encourages the
bone marrow to
make more red blood
cells.
(G - CSF, Neupogen) A man -
made version of a naturally occurring substance
in the body that promotes white blood
cell growth
in the
bone marrow.
In this type of plasma
cell neoplasm, less than 10 % of the
bone marrow is
made up of abnormal plasma
cells and there is no cancer.
In that condition, stem cells collected from the blood or bone marrow could be removed from a patient, edited in the lab to correct the DNA typo — a process called «ex vivo» gene editing — and then reinjected to proliferate and make a patient health
In that condition, stem
cells collected from the blood or
bone marrow could be removed from a patient, edited
in the lab to correct the DNA typo — a process called «ex vivo» gene editing — and then reinjected to proliferate and make a patient health
in the lab to correct the DNA typo — a process called «ex vivo» gene editing — and then reinjected to proliferate and
make a patient healthy.
Plasma
cells develop from B lymphocytes (B
cells), a type of white blood
cell that is
made in the
bone marrow.
The chemotherapy is designed to
make space
in the
bone marrow for the gene - corrected hematopoietic stem
cells to settle
in and start working.
Myeloproliferative neoplasms (MPNs) are blood disorders
in which the
bone marrow makes too many of one or more types of blood
cells — white blood
cells, red blood
cells or platelets.
These advances
make it possible for half - identical
bone marrow transplants to be used
in nonmalignant diseases, such as aplastic anemia, lupus, and sickle
cell anemia.
It is through this research program that Penn has
made significant advances
in improving
bone marrow and stem
cell transplants.
To cure babesia requires treating at least one month longer than the average length of time a red blood
cell lives after it is
made by the
bone marrow in the center of
bones.
In other cases, people who have had had high doses of radiation or chemotherapy to destroy life - threatening cancer
cells, the treatment can stop their
bone marrow's ability to
make blood
cells.
Gums are pale because the
bone marrow, which
makes red blood
cells (RBCs), does not function well
in cats with leukemia.
The signs that we see
in dogs are usually related to decreased numbers of normal
cells (such as red blood
cells which carry oxygen, white blood
cells that fight infection and platelets that help with clotting) which are
made in the
bone marrow.
White blood
cells and platelets that are normally
made in the
bone marrow pick up this virus and bring it back into the circulation.
When the virus infects these areas the lining of the intestine literally dies, the
bone marrow can not
make red or white blood
cells in adequate quantity, and the immune system can become impaired.