![]() ![]() Harvard University researchers have bioengineered a three-dimensional model of a human left heart ventricle that could be used to study diseases, test drugs and develop patient-specific treatments for heart conditions such as arrhythmia. (Luke MacQueen/Disease Biophysics Group/Harvard SEAS) RELATED ARTICLE: Scientists Successfully Reintroduce Extinct Fish That Fits Palm of the Hand After 20 YearsĬheck out more news and information on Animals in Science Times.This tissue-engineering ventricle, made from neonatal rat ventricular myocyte tissue, is spontaneously contracting, sutured and attached to a catheter. This is particularly true for kids who need these gadgets.ĭespite the latest research leading to a novel artificial pediatric heart next year, Parker and his colleagues are already working on three-dimensional artificial cardiac tissue projects and recreating the chambers that make up a human heart. This tiny device generally utilizes electrical impulses to manage a damaged heart.įor example, cultivated fish tissue might construct a biological pacemaker that develops with the human body. This may help enhance the technology of a pacemaker. Parker said in a CNET report that their findings of this research provide the framework for the construction of an artificial heart as a short-term goal. This feature would allow the species to react to their surroundings and perform more complex actions, such as movement, towards a light source, to aid in the future search for energy or food. Parker created Medusoid, an artificial jellyfish that utilizes a rat's heart, in 2012.Īccording to Harvard, the researchers want to develop an artificial jellyfish that can be rotated and moved in specific directions, as well as turn on a simple "brain." The term "biohybrid" refers to the combination of live cells and synthetic materials created from living materials that serve as devices or components of more or less unique technology. ![]() However, it does not pump blood through the body instead, it pumps itself through the water. The fishes, according to Parker, are pumping in some respects. The fishes could also regulate their mobility using light.Īccording to NPR, the scientists opted to test lab-grown heart cells in robotic fish since swimming and beating are comparable.ĪLSO READ: Can Goldfish Drive? Motorized Tank Moves With Fishes Controlling It! Researchers tracked the travels of the biohybrid fishes throughout those days. The heart cells overlay the biohybrids' tails, and the team of scientists lets them swim freely in a tank of nutrition for nearly 100 days. Parker's team extracted human heart cells, or cardiomyocytes, from stem cells to generate their 'biohybrid' fish. He added he wants to do life-changing research by creating a tissue-engineered heart for a youngster with a damaged heart. Kit Parker, a Harvard professor of bioengineering and applied physics, told Daily Beast that he is passionate about children's heart ailments. Robot Fish Can Swim With the Help of Human Heart Cellsīecause one strip of muscle is on the left side of the fish's body and the other is on the right, when one side contracts, the other stretches, causing the tail fin to move in a swimming motion. New research in Hong Kong has found that UV filters commonly used in sunscreen are polluting surrounding waters and could endanger human health, one of the city's leading universities said on October 4. (Photo: ANTHONY WALLACE/AFP via Getty Images)Ī zebrafish, which shares a similar genetic structure to humans, is seen in a fishbowl during a press conference by Kelvin Leung at the Baptist University in Hong Kong on October 4, 2018, on his research which found that UV filters commonly used in sunscreen are polluting surrounding waters and could endanger human health. ![]()
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