Autonomous Untethered Microinjectors for Gastrointestinal Delivery of Insulin.
Autonomous Untethered Microinjectors for Gastrointestinal Delivery of Insulin.
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用于胰岛素胃肠道输送的自主无束缚显微注射器。
DOI:
10.1021/acsnano.2c05098
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发表时间:
2022-10-25
期刊:
影响因子:
17.1
通讯作者:
Gracias, David H.
中科院分区:
文献类型:
--
作者:
Ghosh, Arijit;Liu, Wangqu;Li, Ling;Pahapale, Gayatri J.;Choi, Si Young;Xu, Liyi;Huang, Qi;Zhang, Ruili;Zhong, Zijian;Selaru, Florin M.;Gracias, David H.
The delivery of macromolecular drugs via the gastrointestinal (GI) tract is challenging as these drugs display low stability as well as poor absorption across the intestinal epithelium. While permeation-enhancing drug delivery methods can increase the bioavailability of low molecular weight drugs, the effective delivery of high molecular weight drugs across the tight epithelial cell junctions remains a formidable challenge. Here, we describe autonomous microinjectors that are deployed in the GI tract, then efficiently penetrate the GI mucosa to deliver a macromolecular drug, insulin, to the systemic circulation. We performed in vitro studies to characterize insulin release and assess the penetration capability of microinjectors and we measured the in vivo release of insulin in live rats. We found that the microinjectors administered within the luminal GI tract could deliver insulin trans-mucosally to the systemic circulation at levels similar to those with intravenously administered insulin. Due to their small size, tunability in sizing and dosing, wafer-scale fabrication, and parallel, autonomous operation, we anticipate that these microinjectors will significantly advance drug delivery across the GI tract mucosa to the systemic circulation in a safe manner.
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DOI:
10.1073/pnas.2331316100
发表时间:
2003-11-25
影响因子:
11.1
作者:
McAllister, DV;Wang, PM;Prausnitz, MR
通讯作者:
Prausnitz, MR
影响因子:
4
作者:
Bassik, Noy;Stern, George M.;Gracias, David H.
通讯作者:
Gracias, David H.
影响因子:
46.9
作者:
Prausnitz, Mark R.;Langer, Robert
通讯作者:
Langer, Robert
影响因子:
15
作者:
Bassik N;Brafman A;Zarafshar AM;Jamal M;Luvsanjav D;Selaru FM;Gracias DH
通讯作者:
Gracias DH
影响因子:
29.4
作者:
Gultepe, Evin;Randhawa, Jatinder S.;Kadam, Sachin;Yamanaka, Sumitaka;Selaru, Florin M.;Shin, Eun J.;Kalloo, Anthony N.;Gracias, David H.
通讯作者:
Gracias, David H.