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Scientists discover mosquitoes' unique blood-taste detectors
Scientists aren't sure how mosquitoes sense taste of blood, or how they know that this, of all things, is something to gorge on. Nothing else, not even sweet nectar, makes them pump as ferociously as when they're draining our veins. New research identifies a unique group of neurons that don't care about simple tastes like sweet or salty. Rather, they activate only when sugar, salt, and other components of blood are all present at once. (2020-10-12)

Exposure to vitamin D in the womb might minimize risk of high blood pressure for children born to mothers with preeclampsia
Children appear to be at greater risk of having high blood pressure when their mothers had the high blood pressure condition called preeclampsia during pregnancy--but this adverse association may be reduced or even eliminated for children who were exposed to higher levels of vitamin D in the womb. (2020-10-05)

High blood pressure linked to baroreflex in rats
Researchers describe a newly observed phenomenon in the way blood pressure is maintained in certain rats. (2020-10-03)

Unconventional T cell subset enriched in airways of some patients with severe COVID-19
Unconventional T cells called mucosa-associated invariant T (MAIT) cells are recruited to the airways and strongly activated in some patients with severe COVID-19, a new study has found, suggesting the cells' possible involvement in the development of disease. (2020-09-28)

Building a better stroke diagnosis
An interdisciplinary group of researchers at the Frances Payne Bolton School of Nursing at Case Western Reserve University have uncovered a new suite of human blood biomarkers which could someday help emergency clinicians quickly recognize whether someone is experiencing a stroke with a simple blood test. (2020-09-24)

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)

Metformin for type 2 diabetes patients or not? Researchers now have the answer
Metformin is the first-line drug that can lower blood sugar levels in type 2 diabetes patients. One third of patients do not respond to metformin treatment and 5 per cent experience serious side effects, which is the reason many choose to stop medicating. Researchers at Lund University in Sweden have now identified biomarkers that can show in advance how the patient will respond to metformin treatment via a simple blood test. (2020-09-17)

Super-potent blood stem cells discovered in human embryos
In research recently published in Stem Cell Reports, Andrejs Ivanovs, Alexander Medvinsky (a.medvinsky@ed.ac.uk) and colleagues from the University of Edinburgh discovered that HSCs from early human embryos, when HSCs are just starting to form, are more robust at expanding than those from the cord blood. (2020-09-17)

Metabolic surgery offers health benefits for patients with high blood pressure
Metabolic surgeries, such as gastric bypass and gastric sleeve surgery, are not only effective for treating Type 2 diabetes and obesity. According to a new study led by Erik Stenberg at Örebro University, published September 15 in PLOS Medicine, the surgery also has benefits for people with obesity who have high blood pressure--and can reduce their risk of heart attack, stroke and death. (2020-09-15)

Not so similar: Depression, but not anxiety, linked with inflammation and metabolic change
Anxiety and depression are often linked and assumed to be closely related, but now research has shown for the first time that depression and anxiety have different biochemical associations with inflammation and lipid (fat) metabolism. This indicates that different, more targeted treatments may be possible to treat anxiety and depression. This work is presented at the ECNP Congress. (2020-09-14)

Researchers develop rapid test for ovarian cancer detection
Researchers at the University of Turku, Finland, have developed a test for ovarian cancer detection with a sensitivity 4.5 times higher than that of the conventional laboratory test. The simple lateral flow test is based on rapid detection of abnormal sugar structures directly from the blood sample. (2020-09-11)

Americans continue to struggle controlling high blood pressure; 11% fewer adults have it in check
The percentage of American adults with controlled blood pressure dropped 11% between 2013 and 2018. All age groups saw an increase in systolic blood pressure of 3-4 mm Hg. Blood pressure management levels found between 2017-2018 reflect levels not seen since 2004, which signifies a loss of a decade of progress. (2020-09-09)

Polycythaemia vera: Determination of individual DNA variants allows for more effective treatment
Polycythaemia vera is a chronic malignant disease of the haematopoietic system and is treated with interferon-alpha-based drugs, in most cases with long-lasting success. However, in some cases this therapy is unsuccessful for reasons that are not yet understood. A research group led by Robert Kralovics from MedUni Vienna's Department of Laboratory Medicine and from CeMM has now conducted genetic association studies, which show that patients with certain DNA variants commonly found in the population do not respond sufficiently to the treatment. (2020-09-08)

Older women with type 2 diabetes have different patterns of blood use in their brains
A University of Houston researcher is reporting that the brains of older women with Type 2 diabetes do not use as much oxygenated blood as those who don't have the disease. The research is the first to point to changes in blood use in the brain as the primary reason for diabetes-related deficits in motor function. (2020-09-08)

Virus in the blood can predict severe COVID-19
A blood test on hospital admission showing the presence or absence of SARS-CoV-2 can identify patients at a high risk of severe COVID-19. Admitted patients without virus in their blood have a good chance of rapid recovery. This according to researchers at Karolinska Institutet and Danderyd Hospital in a new study published in the scientific journal Clinical Infectious Diseases. (2020-09-02)

Study leads to better understanding of blood pressure regulation, atherosclerosis
A new University of Kentucky College of Medicine study provides insight into how a protein called angiotensinogen contributes to blood pressure regulation and atherosclerosis. (2020-09-02)

For people with high blood pressure, telemonitoring may cut heart attack, stroke rate by 50%
Adults with uncontrolled high blood pressure were about half as likely to have serious cardiovascular events in the five years after a pharmacist-led telemonitoring program compared to those receiving routine primary care. By reducing cardiovascular events, the telemonitoring intervention saved about $1,900 over five years in overall health care costs for each individual. (2020-08-31)

New blood, new hope: Transfusions protect the brain from stroke damage
In a study led by Xuefang ''Sophie'' Ren, a research assistant professor in the Department of Neuroscience, a team of West Virginia University neuroscientists found that blood substitution therapy rescues the brains of mice from ischemic damage, a potential breakthrough in stroke therapy. (2020-08-25)

Less aggressive treatment better for heart patients who go into shock
Less is sometimes more when treating heart patients who go into shock after a heart attack. (2020-08-24)

High blood pressure during pregnancy may mean worse hot flashes during menopause
Women with a history of high blood pressure disorders during pregnancy are more likely to experience bothersome menopausal symptoms such as hot flashes and night sweats, according to a study published Wednesday, Aug. 19, in Menopause: The Journal of the North American Menopause Society. (2020-08-19)

Exploring connections between ovarian cancer and blood cells
Recent discoveries made by researchers at Texas A&M University could change the way ovarian cancer is understood and treated. (2020-08-14)

People who feel dizzy when they stand up may have higher risk of dementia
Some people who feel dizzy or lightheaded when they stand up may have an increased risk of developing dementia years later, according to a new study published in the August 12, 2020, online issue of Neurology, the medical journal of the American Academy of Neurology. The condition, called orthostatic hypotension, occurs when people experience a sudden drop in blood pressure when they stand up. (2020-08-06)

Blood-thinner with no bleeding side-effects is here
In a study led by EPFL, scientists have developed a synthetic blood-thinner that, unlike all others, doesn't cause bleeding side-effects. The highly potent, highly selective, and highly stable molecule can suppress thrombosis while letting blood clot normally following injury. (2020-08-04)

Alzheimer's protein in blood indicates early brain changes
Researchers at Washington University School of Medicine in St. Louis used mass spectrometry to discover that a form of the Alzheimer's protein tau is found at high levels in the blood of people in the earliest stages of Alzheimer's disease. The discovery could pave the way toward a blood-based test to diagnose the neurodegenerative disease before symptoms appear. (2020-07-28)

World's smallest imaging device has heart disease in focus
A team of researchers led by the University of Adelaide and University of Stuttgart has used 3D micro-printing to develop the world's smallest, flexible scope for looking inside blood vessels. (2020-07-21)

Post-surgical bleeding associated with more deaths when compared to blood clots after surgery
Post-surgical bleeding is associated with more deaths than blood clots from surgery, according to a Vanderbilt University Medical Center study published in the journal Anesthesia & Analgesia. (2020-07-21)

Blood vessels communicate with sensory neurons to decide their fate
The researchers, using real-time videos, have discovered that both the neurons and the cells of blood vessels emit dynamic protrusions to be able to 'talk' to each other. (2020-07-16)

Signs of early heart failure revealed in patients with type 2 diabetes
Adults with type 2 diabetes that have no history, signs or symptoms of heart problems have been shown to have severely limited exercise capacity. (2020-07-16)

Scientists found a way to identify diseases by blood serum
Researchers developed a new dynamic light scattering method to determine the sizes of circulating immune complexes in blood serum. The results of the study were published in the first quartile Biology Journal, MDPI Publishing House. Scientists mentioned, that this method is fast, contactless, safe and cheap. (2020-07-14)

Gut bacteria protect against mosquito-borne viral illness
A new study from Washington University School of Medicine in St. Louis has found that mice infected with Chikungunya virus get less sick and are less likely to transmit the virus to mosquitoes if they have healthy gut microbiomes. (2020-07-14)

An early morning whey protein snack increases morning blood sugar level in healthy people
Consuming protein at night increases blood sugar level in the morning for healthy people, according to new research presented this week at The Physiological Society's virtual early career conference called Future Physiology 2020. (2020-07-10)

Study links abnormally high blood sugar with higher risk of death in COVID-19 patients not previously diagnosed with diabetes
New research from Wuhan, China shows that, in patients with COVID-19 but without a previous diagnosis of diabetes, abnormally high blood sugar is associated with more than double the risk of death and also an increased risk of severe complications. TThe study is published in Diabetologia. (2020-07-10)

Simple blood test may predict concussion severity just as well as spinal tap
A blood biomarker in people who have had concussions may be just as accurate at predicting the severity of the injury and how long it will last as biomarkers that are obtained through more expensive and invasive tests, according to a study published in the July 8, 2020, online issue of Neurology®, the medical journal of the American Academy of Neurology. (2020-07-08)

Iodine exposure in the NICU may lead to decrease in thyroid function, NIH study suggests
Exposure to iodine used for medical procedures in a neonatal intensive care unit (NICU) may increase an infant's risk for congenital hypothyroidism (loss of thyroid function), suggests a study by researchers at the National Institutes of Health and other institutions. (2020-07-07)

Complications from COVID-19 may depend on von Willebrand factor in the blood
As the researcher suggests, the replication of the virus stimulates the development of microdamage on vessel walls. In its response to this, the body releases von Willebrand factor into the blood, trying to 'patch' possible holes. As a result, the risk of thromboses increases. (2020-07-03)

Stretching your legs may help prevent diseases such as heart diseases and diabetes
New research published today in The Journal of Physiology shows that 12 weeks of easy-to-administer passive stretching helps improve blood flow by making it easier for your arteries to dilate and decreasing their stiffness. (2020-07-02)

Cancer cells make blood vessels drug resistant during chemotherapy
Scientists have identified how inflammatory changes in tumors caused by chemotherapy trigger blood vessel anomalies and thus drug-resistance. Through mice experiment, the team also found that the combined usage of an inhibitor and anticancer drug makes chemotherapy more effective. (2020-07-01)

Malaria's secret to surviving in the blood uncovered
New research from the Francis Crick Institute has found how the malaria parasite protects itself from toxic compounds in red blood cells. (2020-06-30)

Novel function of platelets in tumor blood vessels found
Scientists at Uppsala University have discovered a hitherto unknown function of blood platelets in cancer. In mouse models, these platelets have proved to help preserve the vascular barrier which makes blood-vessel walls selectively impermeable, thereby reducing the spread of tumour cells to other parts of the body. The study is published in the journal Cancer Research. (2020-06-25)

Researchers attempt new treatment approach for blood cancer
In an effort to improve the survival of patients with myeloproliferative neoplasms, a type of leukemia, researchers inhibited a specific protein (alpha5beta1 integrin) to decrease the number of large bone marrow cells (megakaryocytes) in an experimental model. An increase in megakaryocyte numbers is thought to be the cause of many problems observed in this disease. This type of treatment approach has never been attempted before. (2020-06-19)

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