Cited by 1,330Inflammasome and immune disordersPancreatic function and diabetesDiabetes and associated disorders

Activation of the NLRP3 inflammasome by islet amyloid polypeptide provides a mechanism for enhanced IL-1β in type 2 diabetes

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Masters, Seth L, Dunne, Aisling, Subramanian, Shoba L, Hull, Rebecca L, Tannahill, Gillian M, Sharp, Fiona A, Becker, Christine, Franchi, Luigi +14 more·2010·Nature Immunology

Abstract

Interleukin 1β (IL-1β) is an important inflammatory mediator of type 2 diabetes. Here we show that oligomers of islet amyloid polypeptide (IAPP), a protein that forms amyloid deposits in the pancreas during type 2 diabetes, triggered the NLRP3 inflammasome and generated mature IL-1β. One therapy for type 2 diabetes, glyburide, suppressed IAPP-mediated IL-1β production in vitro. Processing of IL-1β initiated by IAPP first required priming, a process that involved glucose metabolism and was facilitated by minimally oxidized low-density lipoprotein. Finally, mice transgenic for human IAPP had more IL-1β in pancreatic islets, which localized together with amyloid and macrophages. Our findings identify previously unknown mechanisms in the pathogenesis of type 2 diabetes and treatment of pathology caused by IAPP.

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  • Proapoptotic IAPP oligomers induce IL-1β release to recruit macrophages and enhance local islet inflammation.

    “that induce interleukin (IL)-1β release to recruit macrophages and enhance local islet inflammation ( 45 ).”

    From β-Cell Failure in Type 2 Diabetes: Postulated Mechanisms and Prospects for Prevention and Treatment (2014) · cites this paper as [45]

    The Results and Discussion report that IAPP oligomers stimulate IL-1β production by macrophages and dendritic cells, and associate islet amyloid with increased IL-1β staining. They do not show that IL-1β recruits macrophages; the Results instead report no significant difference in the area of macrophage staining within islets. The proposed enhancement of local inflammation is plausible from the Discussion, but is not demonstrated as the claimed sequence. (LLM, conf=0.87)

    Experimental — accuracy not yet measured
  • NLRP3-dependent IL-1β secretion by mouse bone marrow-derived macrophages and dendritic cells in response to islet amyloid polypeptide (IAPP) implies a potential role for NLRP3 in promoting elevated levels of IL-1β in type 2 diabetes.

    “A potential role for NLRP3 in promoting elevated levels of IL-1β in type 2 diabetes was also implied by the observation of NLRP3-dependent IL-1β secretion by mouse bone marrow-derived macrophages and dendritic cells in response to islet amyloid polypeptide (IAPP), which is deposited in the pancreas and associated with loss of β-cell function in type 2 diabetes61.”

    From Sterile inflammation: sensing and reacting to damage (2010) · cites this paper as [61]

  • The anti-diabetic drug glyburide has been shown to block glucose-mediated secretion of IL-1β by mouse pancreatic islets, as well as IL-1β production by macrophages in response to IAPP, and NLRP3-deficient mice were more glucose tolerant than wild-type mice.

    “Interestingly, the anti-diabetic drug glyburide (Glibenclamide; Roche/Sanofi-Aventis) has been shown to block glucose-mediated secretion of IL-1β by mouse pancreatic islets62, as well as IL-1β production by macrophages in response to IAPP61, and NLRP3-deficient mice were more glucose tolerant than wild-type mice62.”

    From Sterile inflammation: sensing and reacting to damage (2010) · cites this paper as [61]

  • No differences in IL-1β secretion were observed between wild-type and TXNIP-deficient bone marrow-derived macrophages in response to several NLRP3 stimuli, including MSU crystals and ATP.

    “In a separate study, no differences in IL-1β secretion were observed between wild-type and TXNIP-deficient bone marrow-derived macrophages in response to several NLRP3 stimuli, including MSU crystals and ATP61.”

    From Sterile inflammation: sensing and reacting to damage (2010) · cites this paper as [61]

  • The role of TXNIP and ROS in NLRP3 activation has been challenged.

    “However, the role of TXNIP and ROS in NLRP3 activation has been challenged.”

    From Sterile inflammation: sensing and reacting to damage (2010) · cites this paper as [61]

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Authors
Masters, S. L., Dunne, A., Subramanian, S. L., Hull, R. L., Tannahill, G. M., Sharp, F. A., Becker, C., Franchi, L., Yoshihara, E., Chen, Z., Mullooly, N., Mielke, L. A., Harris, J., Coll, R. C., Mills, K. H. G., Mok, K. H., Newsholme, P., Nuñez, G., Yodoi, J., Kahn, S. E., Lavelle, E. C., & O'Neill, L. A. J.
Affiliations
  • Trinity College Dublin (IE)
  • University of Washington (US)
  • University of Michigan (US)
  • Kyoto University (JP)
  • University College Dublin (IE)
Corresponding author
Masters, Seth L
Venue
Nature Immunology
Published
2010-09-12
Volume
11
Issue
10
Pages
897-904
ISSN
  • 1529-2908 (ISSN-L)
  • 1529-2916
OpenAlex
W2034946303
Cited by
1,330
References
55
Citations by year
2026: 58 · 2025: 57 · 2024: 64 · 2023: 75 · 2022: 71 · 2021: 99 · 2020: 100 · 2019: 95 · 2018: 82 · 2017: 83 · 2016: 73 · 2015: 101 · 2014: 95 · 2013: 112 · 2012: 83
FWCI
35.67
Type
journal article
Language
en
Open access
Locations
  • Nature Immunology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • HAL (submittedVersion, other-oa)
  • eSpace (Curtin University) (submittedVersion)
  • Trinity's Access to Research Output (TARA) (Trinity College Dublin) (submittedVersion)
Funders
  • National Institute of Allergy and Infectious Diseases (AI063331, R56AI063331, R01AI063331, R37AI063331)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK-75998, R01DK075998)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Inflammasome and immune disorders
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
Keywords
NLRP3 inflammasome, amylin, IL-1β, type 2 diabetes, beta cell destruction, glibenclamide, LDL oxidation, glucose metabolism, inflammasome priming, pancreatic islets, macrophages, amyloid deposition
MeSH terms
NLR Family, Pyrin Domain-Containing 3 Protein, Amyloid, Animals, Carrier Proteins, Cells, Cultured, Dendritic Cells, Diabetes Mellitus, Type 2, Glyburide, Humans, Hypoglycemic Agents, Islets of Langerhans, Macrophages, Mice, Inbred C57BL, Mice, Transgenic, Receptors, Cytoplasmic and Nuclear, Mice, Rats, Interleukin-1beta, Islet Amyloid Polypeptide

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