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Blood, Heart and Circulation

Contamination likely explains 'food genes in blood' claim

ANN ARBOR—Laboratory contaminants likely explain the results of a recent study claiming that complete genes can pass from foods we eat into ...

World first: lifeless hearts restarted and successfully transplanted

UNSW Conjoint Associate Professor Kumud Dhital, who is based at the Victor Change Cardiac Research Institute, has performed two successful heart transplants ...

Growing a Blood Vessel in a Week

The technology for creating new tissues from stem cells has taken a giant leap forward. Three tablespoons of blood are all that is needed to grow a brand new blood vessel in just seven days. This is shown in a new study from Sahlgrenska Acadedmy and Sahlgrenska University Hospital published in EBioMedicine. ... Full story

Mapping blood flow with bubbles and ultrasound

Microbubbles are being used with ultrasound to create microscopic maps of blood vessels, in a new technique being developed by King’s College London and Imperial College London. This new approach, which generates much more detailed images than conventional ultrasound, may one day help doctors to spot early signs of blood vessel growth or damage, or establish whether a patient is responding to treatment. ... Full story

New ways to treat anemia could evolve from acetate supplement research

DALLAS – UT Southwestern Medical Center researchers seeking novel treatments for anemia found that giving acetate, the major component of household vinegar, to anemic mice stimulated the formation of new red blood cells. ... Full story

New Role Discovered for Red Blood Cells: Blood Vessel Creation

Red blood cells are the most abundant cell type in the human body, yet little is known about them apart from their vital role in transporting oxygen to organs and tissues. Now a research team, led by a scientist at Weill Cornell Medical College, has discovered that red blood cells perform a second vital function: angiogenesis, the creation of new blood vessels from those that already exist. ... Full story

Platelets modulate clotting behavior by "feeling" their surroundings

By Quinn Eastman - Platelets, the tiny cell fragments whose job it is to stop bleeding, are very simple. They don’t have a cell nucleus. But they can "feel" the physical environment around them, researchers at Emory and Georgia Tech have discovered. ... Full story

Variability Keeps The Body In Balance

Although the heart beats out a very familiar "lub-dub" pattern that speeds up or slows down as our activity increases or decreases, the pattern itself isn't as regular as you might think. In fact, the amount of time between heartbeats can vary even at a "constant" heart rate—and that variability, doctors have found, is a good thing. ... Full story

Patient’s question triggers important study about blood thinners

OTTAWA — Physicians around the world now have guidelines to help them determine the best oral blood thinners to prescribe to patients suffering from venous blood clots, thanks to an Ottawa Hospital patient who asked a question his doctor couldn’t answer. ... Full story

One-minute point-of-care anemia test shows promise in new study

A simple point-of-care testing device for anemia could provide more rapid diagnosis of the common blood disorder and allow inexpensive at-home self-monitoring of persons with chronic forms of the disease. ... Full story

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