Popular Blood Group News and Current Events

Popular Blood Group News and Current Events, Blood Group News Articles.
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Potassium is critical to circadian rhythms in human red blood cells
An innovative new study from the University of Surrey and Cambridge's MRC Laboratory of Molecular Biology, published in the prestigious journal Nature Communications, has uncovered the secrets of the circadian rhythms in red blood cells and identified potassium as the key to unravelling the mystery. (2017-12-12)

New blood pressure-lowering guidelines could benefit 25 million americans with chronic kidney disease
A recommendation for more intensive blood pressure management from an influential global nonprofit that publishes clinical practice guidelines in kidney disease could, if followed, benefit nearly 25 million Americans. (2021-02-23)

High blood pressure may make it difficult for the elderly to think clearly
Adding another reason for people to watch their blood pressure, a new study from North Carolina State University shows that increased blood pressure in older adults is directly related to decreased cognitive functioning, particularly among seniors with already high blood pressure. This means that stressful situations may make it more difficult for some seniors to think clearly. (2008-12-15)

Here's something that will raise your blood pressure
The apelin receptor (APJ) has been presumed to play an important role in the contraction of blood vessels involved in blood pressure regulation. A University of Tsukuba-led research team found that APJ was closely associated with hypertension through effects on vascular smooth muscle cells in laboratory mice. In addition, APJ worked synergistically with the α1A-adrenergic receptor to cause vasoconstriction. These results may help to understand blood pressure regulation and support therapies for vascular diseases. (2019-11-01)

Zinc deficiency may play a role in high blood pressure
Lower-than-normal zinc levels may contribute to high blood pressure (hypertension) by altering the way the kidneys handle sodium. The study is published ahead of print in the American Journal of Physiology--Renal Physiology. (2019-01-24)

A protein makes the difference
It is well-established knowledge that blood vessels foster the growth of tumors. Preventing the formation of tumors is a standard part of cancer therapy. A study by researchers at Friedrich-Alexander-Universität Erlangen-Nürnberg has discovered a new, surprising role played by blood vessels: under certain conditions they can inhibit tumor growth. (2016-10-18)

Why do we develop high blood pressure?
Abnormally high blood pressure, or hypertension, may be related to changes in brain activity and blood flow early in life. That's according to a study conducted on a rat model of high blood pressure, published in Experimental Physiology. (2017-03-09)

Study shows area undamaged by stroke remains so, regardless of time stroke is left untreated
A study led by Achala Vagal, M.D., associate professor at the University of Cincinnati College of Medicine and a UC Health radiologist, looked at a group of untreated acute stroke patients and found that there was no evidence of time dependence on damage outcomes for the penumbra, or tissue that is at risk of progressing to dead tissue but is still salvageable if blood flow is returned in a stroke, but rather an association with collateral flow -- or rerouting of blood through clear vessels. (2016-05-25)

'Pulling' bacteria out of blood
Magnets instead of antibiotics could provide a possible new treatment method for blood infection. This involves the blood of patients being mixed with magnetic iron particles, which bind the bacteria to them after which they are removed from the blood using magnets. The initial laboratory tests at Empa in St. Gallen have been successful, and seem promising. (2016-12-07)

Leadership and adaptive reserve are not associated with blood pressure control
Primary care leadership and practice resilience can strengthen organizational culture. In small primary care practices, however, practice adaptive reserve and leadership capability are not associated with baseline blood pressure control. (2018-04-09)

Novel device and staff education lead to lower blood culture contamination rates
A Medical University of South Carolina study found that use of a mechanical initial specimen diversion device (ISDD®) and staff education led to a nearly four-fold decrease in contaminated blood cultures that was sustained over 20 months. (2018-01-24)

Low muscle strength identified as early risk factor for ALS
Low muscle strength during the later teen years has been identified as a risk factor for much later onset of the neurological disease known as ALS, or amyotrophic lateral sclerosis. A study at Sahlgrenska Academy published in the Journal of Neurology also links low blood counts at a young age to ALS. (2018-02-02)

Predictive value of blood pressure, heart rate, and blood pressure/heart rate ratio in a Chinese subpopulation with vasovagal syncope
In a new publication from Cardiovascular Innovations and Applications; DOI https://doi.org/10.15212/CVIA.2019.1266, Zhuzhi Wen, Jingying Hou, Zun Mai, Huifen Huang, Yangxin Chen, Dengfeng Geng and Jingfeng Wang from Sun Yat-sen University, Guangzhou, China and Guandong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou, China consider predictive value of blood pressure, heart rate, and blood pressure/heart rate ratio in a Chinese subpopulation with vasovagal syncope. (2021-01-22)

Blood vessels sprout under pressure
It is blood pressure that drives the opening of small capillaries during angiogenesis. A team of researchers led by Prof. Holger Gerhardt of the MDC observed the process for the first time and published their findings in Nature Cell Biology (Joint press release by the Berlin Institute of Health (BIH), Charité, German Center for Cardiovascular Research (DZHK) and Max Delbrück Center for Molecular Medicine (MDC)). (2016-02-29)

New blood test for the detection of bovine TB
A new blood test to detect Mycobacteria in blood has been developed by a team at The University of Nottingham. The researchers have used this new method to show that cattle diagnosed with bovine tuberculosis (bTB) have detectable levels of the bacterium Mycobacterium bovis (M. bovis) in their blood which causes this disease. The research paper is available on request. (2016-05-31)

Loosen up!
Generally, exercise is considered good for you. However, physicians and medical doctors previously prescribed bedrest to people with heart failure, fearing exercise could potentially lead to additional health problems. (2019-10-22)

Brothers in arms: The brain and its blood vessels
The brain and its surrounding blood vessels exist in a close relationship. Researchers from the MPI of Immunobiology and Epigenetics have discovered how cells of the blood vessels sense the metabolic condition of the brain and alter vascular function in response. The result could be important for patients with neurodegenerative disorders such as Alzheimer's because the onset of these age-related diseases coincides with vascular defects and breakdown of vascular function in the brain. (2020-06-15)

Sensor for blood flow discovered in blood vessels
The PIEZO1 cation channel translates mechanical stimulus into a molecular response to control the diameter of blood vessels. (2016-11-10)

ECOG-ACRIN discovers a simple blood test may predict recurrence of breast cancer
Late recurrence five+ years after surgery accounts for at least half of all breast cancer recurrences. There are no tests that identify who is at highest risk. ECOG-ACRIN Cancer Research Group researchers studied a blood test for circulating tumor cells, finding that in women cancer-free five after diagnosis, 5% had a positive test, which was associated with a 35% recurrence risk after two years, compared with only 2% with a negative test. Findings require follow-up. (2017-12-08)

Time to reassess blood-pressure goals
High blood pressure or hypertension is a major health problem that affects more than 70 million people in the US, and over one billion worldwide. Despite being a critically important risk factor for heart and kidney disease, defining the 'optimal' blood pressure has been a challenge. (2015-11-09)

New strategy for treating high blood pressure
The key to treating blood pressure might lie in people who are 'resistant' to developing high blood pressure even when they eat high salt diets, shows new research published today in Experimental Physiology. (2019-10-22)

FDA approves Bystolic, a novel beta blocker
The US Food and Drug Administration has approved Bystolic (nebivolol) for the treatment of hypertension, also known as high blood pressure. Bystolic works differently than many older beta blockers in that it is preferentially beta 1 selective at doses less than or equal to 10 mg, meaning it selectively blocks the effects of adrenaline at the heart. In addition, Bystolic vasodilates -- or widens and expands -- the blood vessels. (2007-12-18)

Brain metastases cause severe brain damage that can be inhibited by treatment
By using a specific treatment to override this activation, the researchers were able to return cerebrovascular flow to healthy levels. This improvement in blood flow around the metastases can limit the neurological deterioration associated with the progression of this disease and improve the otherwise poor life expectancy of these patients. (2020-11-12)

New tool to improve blood pressure measurement
Oxford University researchers have developed a prediction model that uses three separate blood pressure readings taken in a single consultation and basic patient characteristics to give an adjusted blood pressure reading that is significantly more accurate than existing models for identifying hypertension. (2016-03-21)

Scientists find new antimalarial drug targets
Researchers have discovered crucial new processes that allow malaria parasites to escape red blood cells and infect other cells, offering potential new treatment targets. The team are already working with pharmaceutical companies to use this knowledge to develop new antimalarial drugs - a critical step in the battle against drug-resistant malaria. (2018-02-20)

Bristol researchers use gene editing to improve red blood cell transfusion compatibility
Synthetic biologists at the University of Bristol have succeeded in generating laboratory-made red blood cells with rare blood group types that could one day be used to help patients who cannot be matched with donor blood. (2018-04-27)

Anemia: When cells fail to produce enough protein factories
Every day, stem cells in our bone marrow produce billions of new red blood cells. Any disruption in this process can result in serious disease. Researchers from Charité - Universitätsmedizin Berlin and Harvard Medical School have succeeded in furthering our understanding of how blood cells are formed. Their insights into the molecular foundations of this process may help break new ground in the treatment of certain types of anemia. The results of this study have been published in Cell. (2018-04-04)

Children who take steroids at increased risk for diabetes, high blood pressure, blood clots
Children who take oral steroids to treat asthma or autoimmune diseases have an increased risk of diabetes, high blood pressure, and blood clots, according to Rutgers researchers. The Rutgers study is the first to quantify these complications of oral steroids in a nationwide population of children. (2020-09-17)

Marker involved in lymphatic system connected to heart failure
Researchers at Lund University in Sweden have found a new marker in the blood that is associated with an increased risk of heart failure. Surprisingly, the marker is not directly involved in how the heart functions, unlike most of the previously known markers. Instead, the new marker affects processes in the lymphatic system. (2018-03-07)

Brain blood flow sensor discovery could aid treatments for high blood pressure & dementia
A study led by researchers at UCL has discovered the mechanism that allows the brain to monitor its own blood supply, a finding in rats which may help to find new treatments for human conditions including hypertension (high blood pressure) and dementia. (2020-01-14)

Adaptive human immunity depends on the factor responsible for the formation of white blood cells
Granulocyte colony-stimulating factor (G-CSF)has a significant regulatory effect not only on innate, but also on adaptive immunity. That's what scientists from the IKBFU and Research Institute of Fundamental and Clinical Immunology have found. (2019-10-31)

The HLF-gene controls the generation of our long-term immune system
A research group at Lund University in Sweden has found that when the HLF (hepatic leukemia factor) gene -- which is expressed in immature blood cells -- does not shut down on time, we are unable to develop a functional long-term immune system. This could be a very early stage of leukemia. (2017-11-22)

A bioengineered tattoo monitors blood calcium levels
Scientists have created a biomedical tattoo that becomes visible on the skin of mice in response to elevated levels of calcium in the blood. (2018-04-18)

Lifestyle changes reduce the need for blood pressure medications
Men and women with high blood pressure reduced the need for antihypertensive medications by making lifestyle changes. A 16-week program, focused on the DASH diet, weight management and exercise, resulted in the most dramatic declines in blood pressure. (2018-09-08)

Cellular barcoding helps scientists understand the behavior of stem cells
By tagging bone marrow cells of mice with a genetic label, or barcode, researchers were able to track and describe the family tree of individual blood cells as they form in their natural environment. (2018-01-03)

Tracking down T cell targets to tamp down HIV infection
Scientists have narrowed in on a group of gut-residing immune cells that might predispose women to increased HIV infection risk and more severe disease. (2018-01-24)

Nanoparticles can limit inflammation by distracting the immune system
A surprise finding suggests that an injection of nanoparticles may be able to help fight the immune system when it goes haywire, researchers at the University of Michigan have shown. The nanoparticles divert immune cells that cause inflammation away from an injury site. (2017-11-08)

Testosterone treatment over 10 years can improve or reverse type 2 diabetes in men with low testosterone, and induce significant weight loss
New research presented at this year's annual meeting of the European Association for the Study of Diabetes (EASD) reveals that in men with low testosterone who have type 2 diabetes (T2D), testosterone therapy can improve their disease and reverse its progress, and can also induce significant weight loss. (2018-10-02)

Biofriendly protocells pump up blood vessels
In a new study published today in Nature Chemistry, Professor Stephen Mann and Dr Mei Li from Bristol's School of Chemistry, together with Associate Professor Jianbo Liu and colleagues at Hunan University and Central South University in China, prepared synthetic protocells coated in red blood cell fragments for use as nitric oxide generating bio-bots within blood vessels. (2020-11-20)

With help from pharmacists, better blood pressure costs $22
A pharmacist-physician collaboration in primary-care offices effectively and inexpensively improved patients' high blood pressure. The cost to increase the rate of hypertension control by 1 percent was $22. Collaborative efforts to help manage blood pressure could be especially useful in low-income areas. (2015-11-02)

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