ヒト膵島
Prodo Laboratories社(以下ProdoLabs社)は、研究用ヒト膵島を専門にしている米国企業です。自社内での膵島単離は、年間50回におよび、14年間での累計実績は700回を超えています。 同社は、ヒト膵島を使用した受託研究サービスも提供しています。また、独自の膵島専用培地を開発、製造しています。
右画像:ProdoLabs社で単離されたヒト膵島のジチゾン染色。

PIM培地
PIM培地は、膵島専用の培地シリーズであり、膵島の培養や輸送に有用です。従来培地とは異なり、膵島に対して毒性がなく、数週間の培養にわたって膵島の構造及び機能を維持します。PIM培地は200以上の成分で構成されており、動物由来タンパク質及び成長因子は含まず、グルコ―ス濃度が5.8mMとなっています。また、cGMPレベルで製造しています(FDA登録番号: IND-15016)。
| PIM培地セット | ||
| 商品番号 | 商品名 | 構成 |
| EP-9011 | PIM (S) セット | PIM(S) + PIM(G) + PIM(ABS) x 各1 |
| EP-9012 | PIM (T) セット | PIM(T) + PIM(G) + PIM(ABS) x 各1 |
| EP-9013 | PIM (R) セット | PIM(R) + PIM(G) + PIM(ABS) x各1 |
| EP-9014 | PIM (x3) セット | 上記3セット(組み合わせ自由) |

各PIM培地・サプリメントについて
| 培地名 | 用途 | 量(1本) | 保存 | 商品説明 |
| PIM(S) | 標準の培地であり、膵島が最長21日間まで培養可能 | 500ml | 冷蔵 | カタログ |
| PIM(T) | 輸送時に膵島の生存と機能性を維持 | 500ml | 冷蔵 | カタログ |
| PIM(R) | 輸送後に膵島の回復に有用(使用は膵島の状態次第) | 500ml | 冷蔵 | カタログ |
| PIM(G) | PIM培地に必要なサプリメント。グルタミンとグルタチオン含有 | 5ml | 冷凍 | カタログ |
| PIM(ABS) | PIM培地に必要なサプリメント。膵島との適合性を確認した血清 | 25ml | 冷凍 | カタログ |
| PIM(3X) | PIM培地のオプション。3種類の抗生物質含有 | 6ml | 冷凍 | カタログ |
論文
| 代表的な論文一覧 | ||
| 発表年 | 詳細 | |
| 2026 | NF2 loss malignantly transforms human pancreatic acinar cells and enhances cell fitness under environmental stress. Xu et al. J Clin Invest. 2026 Jan 2;136(1):e194395. | 閲覧 |
| 2025 | Limitations in PPARα-dependent mitochondrial programming restrain the differentiation of human stem cell-derived β cells. Lietzke at al. Nat Commun. 2025 Dec 10;16:11037. | 閲覧 |
| 2025 | A microenvironment-driven HLA-II-associated insulin neoantigen elicits persistent memory T cell activation in diabetes. Srivastava et al. Nat Immunol. 2025 Nov 28;27(1):82–97. | 閲覧 |
| 2025 | Modeling in vivo induction of gastric insulin-secreting cells using transplanted human stomach organoids. Lu et al. Stem Cell Reports 2025 Nov 6;20(12):102708. | 閲覧 |
| 2024 | Cell-Surface ZnT8 Antibody Prevents and Reverses Autoimmune Diabetes in Mice. Kasinathan et al. Diabetes. 2024 Feb 22;73(5):806–818. | 閲覧 |
| 2024 | CXCL16-dependent scavenging of oxidized lipids by islet macrophages promotes differentiation of pathogenic CD8+ T cells in diabetic autoimmunity. Srivastava et al. | 閲覧 |
| 2024 | Pancreatic β cell derived extracellular vesicles containing surface preproinsulin are involved in glucose stimulated insulin secretion. Ghosh at al. Life Sci. 2024 Jan 27;340:122460. | 閲覧 |
| 2023 | Oxygenated Scaffolds for Pancreatic Endocrine Differentiation from Induced Pluripotent Stem Cells. Huang et al.Adv Healthc Mater. 2023 Nov 12;13(3):e2302275. | 閲覧 |
| 2023 | Novel Regulatory Roles of Small G Protein GDP Dissociation Stimulator (smgGDS) in Insulin Secretion from Pancreatic β-Cells. Gleasonet al. Mol Cell Endocrinol. 2023 Oct 30;580:112104. | 閲覧 |
| 2023 | Regulatory roles of CARD9-BCL10-Rac1 (CBR) signalome in islet β-cell function in health and metabolic stress: Is there room for MALT1? Kowluru et al. Biochem Pharmacol. 2023 Oct 29;218:115889. | 閲覧 |
| 2022 | Abnormal exocrine-endocrine cell crosstalk promotes β-cell dysfunction and loss in MODY8. Kahraman et al. Nat Metab. 2022 Jan 20;4(1):76–89. | 閲覧 |
| 2022 | Adhesion Characteristics of Human Pancreatic Islets, Duct Epithelial Cells, and Acinar Cells to a Polymer Scaffold. Nakashima et al. Cell Transplant 2022 Jan-Dec;31:9636897221120500. | 閲覧 |
| 2022 | Assessment of Culture/Preservation Conditions of Human Islets for Transplantation. Shindo et al. Cell Transplant. 2022 Jan-Dec; 31: 09636897221086966. | 閲覧 |
| 2021 | Inhibition of PHLPP1/2 phosphatases rescues pancreatic β-cells in diabetes. Lupse et al. Cell Rep. 2021 Aug 3; 36(5): 109490. | 閲覧 |
| 2021 | The Hippo kinase LATS2 impairs pancreatic β-cell survival in diabetes through the mTORC1-autophagy axis. Yuan et al. Nat Commun. 2021; 12: 4928. | 閲覧 |
| 2021 | GLP-2 Is Locally Produced From Human Islets and Balances Inflammation Through an Inter-Islet-Immune Cell Crosstalk. He et al. Front Endocrinol (Lausanne). 2021; 12: 697120. | 閲覧 |
| 2020 | Glucose-dependent partitioning of arginine to the urea cycle protects β-cells from inflammation. Fu et al. Nat Metab. 2020 May; 2(5): 432–446. | 閲覧 |
| 2019 | Neratinib protects pancreatic beta cells in diabetes. Ardestani et al. Nat Commun. 2019; 10: 5015. | 閲覧 |
| 2019 | Long-Term Implant Fibrosis Prevention in Rodents and Non-Human Primates Using Localized Deliverable Crystals. Farah et al. Nat Mater. 2019 Aug; 18(8): 892–904. | 閲覧 |
| 2019 | Charting cellular identity during human in vitro β-cell differentiation. Veres et al. Nature. 2019 May; 569(7756): 368–373. | 閲覧 |
| 2018 | A Common Type 2 Diabetes Risk Variant Potentiates Activity of an Evolutionarily Conserved Islet Stretch Enhancer and Increases C2CD4A and C2CD4B Expression. Kycia et al. Am J Hum Genet. 2018 Apr 5. | 閲覧 |
| 2018 | BoostMe accurately predicts DNA methylation values in whole-genome bisulfite sequencing of multiple human tissues. Zou et al. BMC Genomics. 2018; 19: 390. | 閲覧 |
| 2018 | An SCFFBXO28 E3 Ligase Protects Pancreatic β-Cells from Apoptosis. Durga et al. Int J Mol Sci. 2018 Apr; 19(4): 975. | 閲覧 |
| 2018 | GPR142 prompts glucagon-like Peptide-1 release from islets to improve β cell function. Lin et al. Mol Metab. 2018 May; 11: 205–211. | 閲覧 |
| 2017 | Single-cell transcriptomes identify human islet cell signatures and reveal cell-type–specific expression changes in type 2 diabetes. Lawlor et al. Genome Res. 2017 Feb; 27(2): 208–222. | 閲覧 |
| 2017 | Designing a retrievable and scalable cell encapsulation device for potential treatment of type 1 diabetes. An et al. Proc Natl Acad Sci U S A. 2018 Jan 9; 115(2): E263–E272. | 閲覧 |
| 2017 | Genetic regulatory signatures underlying islet gene expression and type 2 diabetes. Varshney et al. Proc Natl Acad Sci U S A. 2017 Feb 28; 114(9): 2301–2306. | 閲覧 |
| 2016 | Angiopoetin-2 Signals Do Not Mediate the Hypervascularization of Islets in Type 2 Diabetes. Shah et al. PLoS One. 2016; 11(9): e0161834. | 閲覧 |
| 2016 | GPR142 Controls Tryptophan-Induced Insulin and Incretin Hormone Secretion to Improve Glucose Metabolism. Lin et al. PLoS One. 2016; 11(6): e0157298. | 閲覧 |
| 2016 | Proproliferative and antiapoptotic action of exogenously introduced YAP in pancreatic β cells. Yuan et al. JCI Insight. 2016 Nov 3; 1(18): e86326. | 閲覧 |





