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Home»Science»3D printing may allow a safer long-term remedy for sort 1 diabetes
Science

3D printing may allow a safer long-term remedy for sort 1 diabetes

VernoNewsBy VernoNewsJuly 3, 2025No Comments3 Mins Read
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3D printing may allow a safer long-term remedy for sort 1 diabetes
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Individuals with sort 1 diabetes can’t produce sufficient insulin to control their blood sugar

Halfpoint Pictures/Getty Pictures

Researchers have 3D printed units made from insulin-producing cells. These units may allow a long-term remedy for sort 1 diabetes that might let individuals produce their very own insulin – with out requiring invasive surgical procedure.

As a result of individuals with sort 1 diabetes can not make sufficient insulin to control their blood sugar, they have to consistently handle their situation, normally with injections and dietary precautions. One longer-term remedy entails transplanting human islets – clusters of insulin-producing cells that usually develop within the pancreas – from donors. However like an organ transplant, this requires invasive surgical procedure.

“Present follow is to inject these human islets via the portal vein into the liver,” says Quentin Perrier on the Wake Forest Institute for Regenerative Medication in North Carolina. Nevertheless, about half of the implanted islets shortly lose their performance, which implies individuals should endure a number of transplantations to make the remedy efficient.

If islets could possibly be positioned straight below the pores and skin, surgical procedure wouldn’t solely be much less invasive, however it could additionally produce much less of the stress and irritation that shortens the cells’ practical life.

“The upper the density [of islets], the smaller the scale of the gadget you would wish to plant within the affected person,” says Adam Feinberg at Carnegie Mellon College in Pennsylvania and the biotech firm FluidForm Bio in Massachusetts.

To realize that top density, Perrier and his colleagues 3D printed islets from a “bioink” made from human pancreatic tissue and alginate, a kind of carbohydrate derived from seaweed. Reside insulin-producing cells had been combined into this materials.

“We put this bioink with the [human] islet right into a syringe, and we print a particular motif [with it],” says Perrier. This porous grid is designed to permit new blood vessels to develop round and thru the construction.

Within the lab, this method “works very effectively”, says Perrier, noting that about 90 per cent of the islets’ cells survived and functioned for as much as three weeks. “The following problem is basically to validate this discovering in vivo.” Perrier and his colleagues introduced their analysis on the European Society for Organ Transplantation (ESOT) 2025 assembly in London on 29 June.

Feinberg and his colleagues have additionally 3D printed their very own islets. Their approach is to make a framework by printing cells and collagen straight right into a hydrogel polymer – “form of like 3D printing inside hair gel”, he says. It was introduced on the Worldwide Pancreas & Islet Transplant Affiliation 2025 assembly in Pisa, Italy on 16 June. In diabetic lab mice, the islets restored regular glucose management for as much as six months.

Feinberg says Perrier’s work is “positively promising” however that the inherent variability of the human tissue used to make the islets may pose challenges in a residing physique. “It’s like getting a transplant organ,” he says. “On one facet, the fabric may match higher. On the flip facet, it’s variable and laborious to get, and that’s a very laborious downside to resolve.”

To keep away from such transplantation points, each Feinberg and Perrier say stem cell therapies symbolize the way forward for sort 1 diabetes remedy. Utilizing stem cells within the 3D printing course of – as an alternative of the cells they’re at present utilizing – may remedy a variety of points directly, they are saying.

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