Developments in the printing of 10 organisms by 2020, paving the way for future organ transplants

Bioprinting organisation for covid-19 research

Anthony atala, from the vixen forest regenerative medical institute of north carolina, developed a new multi-organium to test the toxicity of drugs on chips. Altara, along with other researchers, published a paper in february 2020 stating that “printing on chips by living organisms” could lead to faster and more economical drug development and reduce the risk of drug retrenchment after the drug is on the market. But this is not all, and the 3d organism system can prove the toxicity of drugs, which was also used in the covid-19 study in july. According to the new york times, the atala team is printing living tissue organisms on microchips and sending them to the biosafety laboratory of george mason university, virginia, where drugs against the new covid-19 virus are being tested。

In an interview with the united states college of surgeons, atala indicated that he was using the body structure on the chip to study the infectious detoxants of covid-19 and the toxicity levels of the antidote. More importantly, experts have indicated that cell-derived 3d organisms are more useful than cellular or animal models in culture boards. The team is testing two different antidotes, one for the lung and the other for the intestinal tract, and studying how different agents affect these organs。

Integrated organic organ printer (itop) is built on wfirm's bioprinting tissue, with pictures provided by wfirm

Microbots print healthy cells in their bodies

Researchers from the university of tsinghua, china, developed a microbioprinting platform to enter the human body through endoscopes for tissue rehabilitation. In order to test this new method, the researchers successfully repaired the stomach wound in the stomach model by bioprinting double-layered tissue support. They use adhesive-algaphate hydrogels as biological ink with skin cells on human stomachs and cell cells on human stomachs, simulate the anatomical structure of the stomach, and 10 days of cell culture shows that printed cells still maintain high activity and stable growth, indicating that cells in the printing tissue stairwell function well biologically. This is an innovative development in the field of bioprinting and clinical science. As stomach wall damage is a common problem in digestive tracts, affecting 12 per cent of the world's population, according to the authors of the study published in biofabrication, the new in situ bioprinting platform is a potentially useful way of treating the problem。

The prototype robot in the 3d printing model of the human stomach

New biological ink for 3d printing in the body

Researchers have developed a special formulation of biological ink to biomanage the 3d tissue engineering stubs in living patients in a micro-starting manner. The study was published in the july 2020 magazine biofabrication, in cooperation with researchers from the terazaki institute, ohio state university and pennsylvania state university. It focuses on an entirely new biological material formulation that allows for 3d printing at the temperature found in the body and interconnects with visible light in the body, using robotic 3d printing to construct a 3d structure engineering support with clinically relevant dimensions and consistent structures. This will allow for the direct delivery of suitable cells and materials in operating theatres (or)。

It's directly embedded in the crystal structure of the soft-working organization

Bioprinting on the international space station, russian astronauts printing 3d cartilage in space

One of the most innovative forms of bioprinting with a sense of future is done under microgravity. After all, bioprinting is an essential element of the survival of space explorers if extraterrestrial colonization begins at any time in the next decade. Using custom-designed magnetic 3d biological printer organ. Aut, developed by 3d bioprining solutions of the russian biotechnology company, cosmonaut oleg kononenko bioprinted cartilage on the international space station (iss) in 2018. The self-assembly of cells under microgravity was achieved using the pull of the magnetic field, a form of suspended bioprinting that offered great potential for space regenerative medicine. Kononenko experimented with the russian segment of iss and, on 15 july 2020, researchers who had developed the system on earth published the results of their work。

Oleg kononenko used a new method of " standless " organization engineering, with pictures provided by 3d bioprining solutions

Mimix biotherapeutics launched the first acoustic 3d biological printer

The swiss biotechnology start-up company mimix biotherapeutics announced the introduction of an entirely new bio-manufacturing technology that can be constructed through the rapid and economical production of multicellular function organizations by acoustic waves. Laboratory instruments rely on the company's proprietary technology, sim bioprocessing, which has been in existence for almost 10 years and has proved successful in organizing the blood vessels network. In a paper published in the iopscience magazine biofabrication, researchers developed an in vitro experimental model as a conceptual validation to assess the feasibility of sim creating an vascular structure. They concluded that, even at lower initial density, cells could assemble a multiscale vascular network for successful assembly and could be used in a number of biomedical fields, including drug screening 3d models and automated tissue manufacture for bioprinting to achieve clinical transformation。

Mimix biotherapeutics' first audio student printer, by mimix biotherapeutics

Bioprinting corals can help marine ecosystems develop

As bioprinting applications go beyond organizational engineering and regenerative medicine, in april 2020 a team of researchers from the university of cambridge and the university of california, santiago (ucsd), developed imitating 3d-printed corals as a new tool for coral inspirational biological materials that can be found in algal biotechnology, coral reef protection and coral-algae symbiotic research. Coral-enabled optical biological material structures, which are built using fast 3d bioprinting techniques, are able to imitate the functional and structural characteristics of coral-algae symbiotics, opening a new door to biological inspiration materials and their application in coral conservation. At that time, daniel wangpraseurt, an interdisciplinary marine biologist from ucsd, explained that bioprinting was a key point in his development of 3d-printed corals, that it was a new tool for coral inspirational biological materials that could be used in algal biotechnology, coral reef protection and coral-algae symbiotic research, and that it was a truly innovative and fascinating application。

Bioprinted coral, by daniel wangpraseurt/ucsd

Biological printing of mini kidneys in labs

Researchers at the mordock children's institute (mcri) in australia and the biotechnology company organovo bioprint microhuman kidneys in laboratories, paving the way for new renal failure therapy and possible laboratory planting transplants. Studies have shown how stem cell 3d bioprints can produce sufficiently large kidney tissue tablets for transplantation, which was also demonstrated in a study to screen for the drug toxicity of a drug known to cause kidney damage to people. Professor melissa little, the world's leader in human kidney modelling, began planting kidney organs for the first time in 2015. This new bioprinting method, however, was faster and more reliable and allowed the entire process to be scaled up. In a study published on 23 november 2020 in the magazine nature materials, it was described that, using bioprinting techniques, she could now create approximately 200 mini kidneys in 10 minutes without affecting quality。

Professor melissa little, photo by aaron francis

Organovo phoenix

In 2020, keith murphy, founder of organovo, returned to the groundbreaking bioprinting company three years after his departure from the ceo. During this period, murphy continued to create another innovative biotechnology start-up company called vicente biosciences, but as of 24 september 2020 the entrepreneur had returned to be the executive director. Since murphy left, organovo has been trying to find a breakthrough to advance the 3d printing development of human liver tissue for organ transplantation, a product that is very much expected. Even though it appeared as a black horse as early as 2007 as biological 3d printing technology, in august 2019 management suspended all r & d-led programmes and cut costs by a total of 69 per cent of its staff, approximately 40 positions, as it was exploring available "strategic alternatives to generate value from technology platforms and intellectual property rights"。

Shortly thereafter, in november, the company sold samsara science to lifenet health, virginia, for $1. 5 million for human primary liver and kidney cell separation. Now, organovo resumes its work with the former leadership and works to secure regulatory approval for the treatment of candidate drugs。

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