Red Blood Cells News and Research

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First demonstration of newly developed dual humanized FRGTM KO system against malaria

A novel human liver-chimeric mouse model developed at Oregon Health & Science University and Yecuris Corporation has made possible a research breakthrough at Seattle Biomedical Research Institute that will greatly accelerate studies of the most lethal forms of human malaria.

11 Sep 2012

Researchers discover small DNA sequence that drives GATA2 protein

The protein GATA2 is known as a "master regulator" of blood cell development. When a mutation occurs in the gene that makes GATA2, serious blood diseases such as acute myeloid leukemia can result.

11 Sep 2012

Enzymatic sculpting process used to isolate and concentrate cells from whole blood

In living systems, complex nano- and microscale structures perform a host of physical and biological functions. While two-dimensional patterns can be recreated fairly well with techniques like microlithography, three-dimensional structures represent a big challenge.

10 Sep 2012

Surprising new roles for angiotensin converting enzyme

At the 1st ECRC "Franz-Volhard" Symposium on September 7, 2012 at the Max Delbr-ck Center for Molecular Medicine (MDC) in Berlin-Buch, Professor Ken Bernstein reported that in mice an excess of ACE led to a much stronger immune response than usual.

10 Sep 2012

Researchers identify HIF2α gene mutation in cancer tumor cells

For the first time, a mutation in HIF2α, a specific group of genes known as transcription factors that is involved in red blood cell production and cell metabolism, has been identified in cancer tumor cells.

6 Sep 2012

FDA approves Bosulif to treat chronic myelogenous leukemia

The U.S. Food and Drug Administration today approved Bosulif (bosutinib) to treat chronic myelogenous leukemia (CML), a blood and bone marrow disease that usually affects older adults.

5 Sep 2012

Converting blood cells to a stem cell state: an interview with Elias Zambidis, M.D., Ph.D.

The primitive stem cell state we created is called an “induced pluripotent stem cell” (iPSC). iPSC are a new, unique, and artificially-created type of stem cell that were first described in 2006 by a Japanese scientist named Shinya Yamanaka.

4 Sep 2012

Missing link between bone marrow stem cells and human immune system

UCLA researchers have discovered a type of cell that is the "missing link" between bone marrow stem cells and all the cells of the human immune system, a finding that will lead to a greater understanding of how a healthy immune system is produced and how disease can lead to poor immune function.

3 Sep 2012

Targeted intervention improves safety of MRI scans for children with sickle cell disease

Jude Children's Research Hospital reports success using a targeted educational approach to teach young patients to remain motionless during MRI scans, making the process safer.

1 Sep 2012

Scientists identify specific role of RESA protein in modulating blood circulation

When the parasite responsible for malaria infects human red blood cells, it launches a 48-hour remodeling of the host cells. During the first 24 hours of this cycle, a protein called RESA undertakes the first step of renovation: enhancing the stiffness of the cell membranes.

31 Aug 2012

CNIO team generates transgenic mouse model for aplastic anaemia associated with short telomeres

Aplastic anaemia is characterised by a reduction in the number of the bone marrow cells that go on to form the different cell types present in blood (essentially red blood cells, white blood cells and platelets). In most cases, the causes of the disorder are hard to determine, but some patients have been found to have genetic alterations leading to a shortening of their telomeres (the end regions of chromosomes that protect and stabilise DNA).

30 Aug 2012

Cyclin D3 protein regulates size and quantity of RBCs

The adult human circulatory system contains between 20 and 30 trillion red blood cells (RBCs), the precise size and number of which can vary from person to person. Some people may have fewer, but larger RBCs, while others may have a larger number of smaller RBCs. Although these differences in size and number may seem inconsequential, they raise an important question: Just what controls these characteristics of RBCs?

29 Aug 2012

ABCD4 and CblF proteins responsible for hereditary vitamin B12 deficiency

Vitamin B12 is vital for cell division, the synthesis of red blood cells and the functioning of the nervous system. Unable to produce the vitamin itself, the human body has to obtain it via animal proteins. So far it has been known that on its way into the cell vitamin B12 is absorbed by little organelles, so-called lysosomes. From there, the vitamin enters the cell interior with the aid of the transport protein CblF, which was discovered by the same research team three years ago.

28 Aug 2012

Study investigates effects of passive smoking on the levels of three parameters

"It is well known that passive smoking is harmful for cardiovascular health, but the mechanism has not yet been discovered," said Dr Kaya. "We investigated the effects of passive smoking on the levels of three parameters - mean platelet volume (MPV), carboxyhemoglobin (COHb) and lactate - in an effort to further understand this mechanism. We also looked at the correlation between the three parameters."

27 Aug 2012

Researchers discover new genetic disease related to vitamin B12 deficiency

Vitamin B12 is essential to human health. However, some people have inherited conditions that leave them unable to process vitamin B12. As a result they are prone to serious health problems, including developmental delay, psychosis, stroke and dementia. An international research team recently discovered a new genetic disease related to vitamin B12 deficiency by identifying a gene that is vital to the transport of vitamin into the cells of the body.

27 Aug 2012

TREM-1 gene disrupts inflammatory process implicated in liver cancer

Researchers at the Georgia Health Sciences University Cancer Center have identified a gene that disrupts the inflammatory process implicated in liver cancer.

23 Aug 2012

OBI’s Oxycyte improves imaging of penumbra following acute ischemic stroke

Oxygen Biotherapeutics, Inc., announced today that recent research conducted by its partner, Aurum Biosciences, Glasgow, Scotland, has shown that Oxycyte, OBI's proprietary perfluorocarbon-based intravenous emulsion, improves imaging of the penumbra following acute ischemic stroke in a rat model.

22 Aug 2012

Genetic key to severe malaria resistance uncovered

Researchers have identified two genetic variants linked with human resistance to severe malaria.

21 Aug 2012

Special device provides evidence of how bloodstream infections begin

New research may help explain why hundreds of thousands of Americans a year get sick - and tens of thousands die - after bacteria get into their blood. It also suggests why some of those bloodstream infections resist treatment with even the most powerful antibiotics.

16 Aug 2012

Article describes novel technique to study interactions between HIV-1 and P. falciparum

The World Health Organization estimates that in 2011 there were 216 million cases of malaria and 34.2 million people living with HIV. These diseases particularly afflict sub-Saharan Africa, where large incidence of co-infection result in high mortality rates. Yet, in spite of this global pandemic, interactions between the parasite that causes malaria, Plasmodium falciparum, and HIV-1 are poorly understood.