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Tian Y, Huang Q, Ren YT, Jiang X, Jiang B. Visceral adipose tissue predicts severity and prognosis of acute pancreatitis in obese patients. Hepatobiliary Pancreat Dis Int 2024; 23:458-462. [PMID: 37648552 DOI: 10.1016/j.hbpd.2023.08.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 08/21/2023] [Indexed: 09/01/2023]
Abstract
Acute pancreatitis is a common systemic inflammatory disease, manifested by a spectrum of severity, ranging from mild in the majority of patients to severe acute pancreatitis. Patients with severe acute pancreatitis suffer from severe local and systemic complications and organ failure, leading to a poor prognosis. The early recognition of the severe condition is important to improve prognosis. Obesity has risen in tandem with an increase in the severity of acute pancreatitis in recent years. Studies have revealed that adipose tissue, particularly visceral adipose tissue is associated with the prognosis of acute pancreatitis. This review discussed the role of visceral adipose tissue in obese patients with acute pancreatitis and explored the possible mechanism involved.
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Affiliation(s)
- Yuan Tian
- Department of Gastroenterology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China
| | - Qing Huang
- Department of Gastroenterology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China
| | - Yu-Tang Ren
- Department of Gastroenterology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China
| | - Xuan Jiang
- Department of Gastroenterology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China
| | - Bo Jiang
- Department of Gastroenterology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China.
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2
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Su XJ, Chen Y, Zhang QC, Peng XB, Liu YP, Wang L, Du YQ. Exosomes Derived From Cerulein-Stimulated Pancreatic Acinar Cells Mediate Peritoneal Macrophage M1 Polarization and Pyroptosis via an miR-24-3p/MARCH3/NLRP3 Axis in Acute Pancreatitis. Pancreas 2024; 53:e641-e651. [PMID: 38530976 DOI: 10.1097/mpa.0000000000002351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/28/2024]
Abstract
OBJECTIVES Acute pancreatitis (AP) has a high incidence of hospitalizations, morbidity, and mortality worldwide. A growing number of studies on AP pathogenesis are based on cerulein-induced experimental model, which simulates human AP in vivo. It has been demonstrated that both pancreatic acinar cells and peritoneal macrophages are involved in pancreatic inflammation and damage. However, their connection has not been well understood. METHODS A cerulein-induced AP model was established on the pancreatic acinar cell line AR42J. Rat macrophages were isolated from the peritoneal cavity. The effects of cerulein-induced pancreatic exosomes on the peritoneal macrophage and pancreas in vivo and in vitro were examined. The underlying molecular mechanism was investigated by exploring the regulatory role of downstream molecules. RESULTS We found that exosomes derived from cerulein-treated AR42J cells induced rat peritoneal macrophage M1 polarization and pyroptosis. miR-24-3p was upregulated in cerulein-stimulated exosomes, whereas the miR-24-3p inhibitor counteracted the effect of pancreatic exosomes on peritoneal macrophage M1 polarization and pyroptosis. Furthermore, miR-24-3p inhibited March3 expression, whereas MARCH3 mediated NLRP3 ubiquitination in rat peritoneal macrophages, which, in turn, contributed to the apoptosis, reactive oxygen species production, and inflammation in AR42J cells. CONCLUSIONS Exosomes derived from cerulein-stimulated pancreatic acinar cells mediate peritoneal macrophage M1 polarization and pyroptosis via an miR-24-3p/MARCH3/NLRP3 axis in AP.
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Affiliation(s)
- Xiao-Ju Su
- From the Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Yan Chen
- From the Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Qi-Chen Zhang
- From the Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Xiao-Bo Peng
- Department of Oncology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Ya-Ping Liu
- From the Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Lei Wang
- From the Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Yi-Qi Du
- From the Department of Gastroenterology, Changhai Hospital, Naval Medical University, Shanghai, China
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3
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Zhao LJ, Chen P, Huang L, He WQ, Tang YR, Wang R, Luo ZL, Ren JD. Heparan sulfate acts as an activator of the NLRP3 inflammasome promoting inflammatory response in the development of acute pancreatitis. J Gastroenterol 2024; 59:869-879. [PMID: 38864913 DOI: 10.1007/s00535-024-02127-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Accepted: 06/06/2024] [Indexed: 06/13/2024]
Abstract
BACKGROUND Accumulating evidence has shown that the NOD-like receptor protein 3 (NLRP3) inflammasome plays a crucial role in the inflammatory cascades involved in the development of acute pancreatitis (AP). However, the specific agonist responsible for activating the NLRP3 inflammasome in this process has not yet been identified. The purpose of this study is to clarify whether heparan sulfate (HS) works as an NLRP3 inflammasome activator to evoke inflammatory cascades in the progression of AP. METHODS Two experimental mouse models of AP were utilized to investigate the pro-inflammatory activity of HS in the development of AP by measuring the secretion of inflammatory cytokines and the neutrophil infiltration in pancreatic tissue. The ability of HS to activate the NLRP3 inflammasome was evaluated both in vitro and in vivo. The nuclear factor kappa B (NF-κB)-mediated expression of NLRP3 inflammasome components in response to HS treatment was determined to decipher the role of HS in transcriptional priming of NLRP3 inflammasome. Furthermore, HS-triggered deubiquitination of NLRP3 was analyzed to reveal the promoting effect of HS on the NLRP3 inflammasome priming via a non-transcriptional pathway. RESULTS High plasma level of HS was observed with a positive correlation to that of inflammatory cytokines in AP mice. Administration of HS to mice resulted in an exacerbated inflammatory profile, while reducing HS production by an inhibitor of heparanase significantly attenuated inflammatory response. Pharmacological inhibition or genetic deletion of NLRP3 substantially suppressed the HS-stimulated elevation of IL-1β levels in AP mice. The in vitro data demonstrated that HS primarily serves as a priming signal for the activation of the NLRP3 inflammasome. HS possesses the ability to increase the transcriptional activity of NF-κB and TLR4/NF-κB-driven transcriptional pathway is employed for NLRP3 inflammasome priming. Moreover, HS-induced deubiquitination of NLRP3 is another pathway responsible for non-transcriptional priming of NLRP3 inflammasome. CONCLUSIONS Our current work has unveiled HS as a new activator of the NLRP3 inflammasome responsible for the secondary inflammatory cascades during the development of AP, highlighting the HS-NLRP3 pathway as a potential target for future preventive and therapeutic approaches of AP.
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Affiliation(s)
- Li-Jun Zhao
- Department of Pharmacy, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Innovation Center of Advanced Pharmaceutical & Artificial Intelligence, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Peng Chen
- Innovation Center of Advanced Pharmaceutical & Artificial Intelligence, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610054, China
- Safety Evaluation Center, Sichuan Institute for Drug Control (Sichuan Testing Center of Medical Devices), Chengdu, 610097, China
| | - Ling Huang
- Innovation Center of Advanced Pharmaceutical & Artificial Intelligence, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Wen-Qi He
- Innovation Center of Advanced Pharmaceutical & Artificial Intelligence, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Ying-Rui Tang
- Innovation Center of Advanced Pharmaceutical & Artificial Intelligence, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Rui Wang
- Innovation Center of Advanced Pharmaceutical & Artificial Intelligence, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610054, China
| | - Zhu-Lin Luo
- Department of General Surgery, The General Hospital of Western Theater Command, Chengdu, 610083, China.
| | - Jian-Dong Ren
- Department of Pharmacy, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, 610072, China.
- Innovation Center of Advanced Pharmaceutical & Artificial Intelligence, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610054, China.
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4
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Yang Z, Li S, Zhao C, Zhao Z, Tan J, Zhang L, Huang Y. X-Box binding protein 1 downregulates SIRT6 to promote injury in pancreatic ductal epithelial cells. Immun Inflamm Dis 2024; 12:e1301. [PMID: 38967361 PMCID: PMC11225082 DOI: 10.1002/iid3.1301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 04/19/2024] [Accepted: 05/19/2024] [Indexed: 07/06/2024] Open
Abstract
OBJECTIVE Acute pancreatitis (AP) stands as a frequent cause for clinical emergency hospital admissions. The X-box binding protein 1 (XBP1) was found to be implicated in pancreatic acinar cell apoptosis. The objective is to unveil the potential mechanisms governed by XBP1 and SIRT6 in the context of AP. METHODS Caerulein-treated human pancreatic duct epithelial (HPDE) cells to establish an in vitro research model. The levels and regulatory role of SIRT6 in the treated cells were evaluated, including its effects on inflammatory responses, oxidative stress, apoptosis, and endoplasmic reticulum stress. The relationship between XBP1 and SIRT6 was explored by luciferase and ChIP experiments. Furthermore, the effect of XBP1 overexpression on the regulatory function of SIRT6 on cells was evaluated. RESULTS Caerulein promoted the decrease of SIRT6 and the increase of XBP1 in HPDE cells. Overexpression of SIRT6 slowed down the secretion of inflammatory factors, oxidative stress, apoptosis level, and endoplasmic reticulum stress in HPDE cells. However, XBP1 negatively regulated SIRT6, and XBP1 overexpression partially reversed the regulation of SIRT6 on the above aspects. CONCLUSION Our study illuminates the role of XBP1 in downregulating SIRT6 in HPDE cells, thereby promoting cellular injury. Inhibiting XBP1 or augmenting SIRT6 levels holds promise in preserving cell function and represents a potential therapeutic avenue in the management of AP.
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Affiliation(s)
- Zhuo Yang
- Intensive Care Unit, Bazhong Hospital of Traditional Chinese MedicineBazhongSichuanChina
| | - Shaojun Li
- Acupuncture and Rehabilitation DepartmentBazhong Hospital of Traditional Chinese MedicineBazhongSichuanChina
| | - Chuan Zhao
- Intensive Care Unit, Bazhong Hospital of Traditional Chinese MedicineBazhongSichuanChina
| | - Zongzheng Zhao
- Intensive Care Unit, Bazhong Hospital of Traditional Chinese MedicineBazhongSichuanChina
| | - Juan Tan
- Intensive Care Unit, Bazhong Hospital of Traditional Chinese MedicineBazhongSichuanChina
| | - Lu Zhang
- Acupuncture and Rehabilitation DepartmentBazhong Hospital of Traditional Chinese MedicineBazhongSichuanChina
| | - Yuanqing Huang
- Intensive Care Unit, Bazhong Hospital of Traditional Chinese MedicineBazhongSichuanChina
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5
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Zhou Y, Huang X, Jin Y, Qiu M, Ambe PC, Basharat Z, Hong W. The role of mitochondrial damage-associated molecular patterns in acute pancreatitis. Biomed Pharmacother 2024; 175:116690. [PMID: 38718519 DOI: 10.1016/j.biopha.2024.116690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/27/2024] [Accepted: 04/29/2024] [Indexed: 06/03/2024] Open
Abstract
Acute pancreatitis (AP) is one of the most common gastrointestinal tract diseases with significant morbidity and mortality. Current treatments remain unspecific and supportive due to the severity and clinical course of AP, which can fluctuate rapidly and unpredictably. Mitochondria, cellular power plant to produce energy, are involved in a variety of physiological or pathological activities in human body. There is a growing evidence indicating that mitochondria damage-associated molecular patterns (mtDAMPs) play an important role in pathogenesis and progression of AP. With the pro-inflammatory properties, released mtDAMPs may damage pancreatic cells by binding with receptors, activating downstream molecules and releasing inflammatory factors. This review focuses on the possible interaction between AP and mtDAMPs, which include cytochrome c (Cyt c), mitochondrial transcription factor A (TFAM), mitochondrial DNA (mtDNA), cardiolipin (CL), adenosine triphosphate (ATP) and succinate, with focus on experimental research and potential therapeutic targets in clinical practice. Preventing or diminishing the release of mtDAMPs or targeting the mtDAMPs receptors might have a role in AP progression.
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Affiliation(s)
- Yan Zhou
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China; School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Xiaoyi Huang
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China; School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Yinglu Jin
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China; School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Minhao Qiu
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China
| | - Peter C Ambe
- Department of General Surgery, Visceral Surgery and Coloproctology, Vinzenz-Pallotti-Hospital Bensberg, Vinzenz-Pallotti-Str. 20-24, Bensberg 51429, Germany
| | | | - Wandong Hong
- Department of Gastroenterology and Hepatology, the First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, People's Republic of China.
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6
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Zeng Y, Liu X, Yi Q, Qiao G, Wang L, Chen L, Fan L, Li Y, Duan L, Huang L, Zhuang Q, Zhou Y, Xiong Y. Free total rhubarb anthraquinones protect intestinal mucosal barrier of SAP rats via inhibiting the NLRP3/caspase-1/GSDMD pyroptotic pathway. JOURNAL OF ETHNOPHARMACOLOGY 2024; 326:117873. [PMID: 38346523 DOI: 10.1016/j.jep.2024.117873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 01/27/2024] [Accepted: 02/04/2024] [Indexed: 02/24/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Rhubarb is the peeled and dried roots of Rheum palmatum L. and Rheum tanguticum Maxim. ex Balf. or Rheum officinale Baill. Free total rhubarb anthraquinones (FTRAs) were isolated and extracted from rhubarb. Previous studies have revealed that the early administration of FTRAs protects the intestinal mucosal barrier in rats with severe acute pancreatitis (SAP), the mechanism of which is not yet clear. However, we observed an enhanced expression of intestinal pyroptotic factors in rats treated with SAP, which may be related to the mechanism of intestinal barrier protection by FTRAs. AIM OF THE STUDY The main objective of this study was to investigate the mechanism by which FTRAs protect the intestinal mucosal barrier in SAP rats, focusing on the classical pyroptosis pathway. MATERIALS AND METHODS SAP was induced in rats through retrograde injection of sodium taurocholate via the pancreaticobiliary duct. Subsequently, FTRAs (22.5, 45, and 90 mg/kg), rhubarb (900 mg/kg, positive control), and saline (control) were administered at 0 h (immediately), 12 h, and 24 h post-surgery. Pancreatic and intestinal tissue injury, positive PI staining rate, and expression levels of various factors in intestinal tissues were compared across different groups. These factors include diamine oxidase (DAO), lactate dehydrogenase (LDH), high mobility group box chromosomal protein 1(HMGB1) and pro-inflammatory factors in intestinal and serum, pyroptosis-associated factors, toll-like receptor 4 (TLR-4), nuclear factor kappa-B (NF-kB), apoptosis-associated speck-like protein (ASC), NOD-like receptor protein 3 (NLRP3), cysteine protease-1 (caspase-1) and Gasdermin (GSDMD). RESULTS The findings indicated that FTRAs protected the damaged intestine and pancreas and restored the expression of intestinal epithelial junction proteins in SAP rats. Additionally, it reduced intestinal and serum levels of DAO, interleukin 1, interleukin 18, HMGB1, and LDH, attenuated intestinal Positive PI staining rate, and significantly decreased the expressions of TLR-4, NF-kB, ASC, NLRP3, caspase-1 and GSDMD in SAP rats. CONCLUSIONS The results suggest that FTRAs inhibited pyroptosis through down-regulation of the NLRP3-Caspase-1-GSDMD and TLR-4- NF-kB signaling pathways of intestinal tissues., thereby protecting the intestinal barrier of SAP rats.
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Affiliation(s)
- Yue Zeng
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China; Department of Pharmacy, People's Hospital of Zhongjiang County, Deyang, Sichuan, 618000, China
| | - Xingyu Liu
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Qing Yi
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Gan Qiao
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Lulu Wang
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Li Chen
- Department of Pharmacy, Affiliated Hospital of Traditional Chinese Medicine, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Ling Fan
- Department of Pharmacy, People's Hospital of Ya'an, Ya'an, 625000, China
| | - Yao Li
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Lingjing Duan
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Liqiang Huang
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China; Department of Pharmacy, Second People's Hospital of Yibin, Yibin, 644000, China
| | - Qian Zhuang
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China
| | - Yejiang Zhou
- Department of Gastrointestinal Surgery, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, 646000, China.
| | - Yuxia Xiong
- Department of Pharmacology, School of Pharmacy, Southwest Medical University, Luzhou, Sichuan, 646000, China.
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Eltayeb A, Al-Sarraj F, Alharbi M, Albiheyri R, Mattar EH, Abu Zeid IM, Bouback TA, Bamagoos A, Uversky VN, Rubio-Casillas A, Redwan EM. Intrinsic factors behind long COVID: IV. Hypothetical roles of the SARS-CoV-2 nucleocapsid protein and its liquid-liquid phase separation. J Cell Biochem 2024; 125:e30530. [PMID: 38349116 DOI: 10.1002/jcb.30530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 01/10/2024] [Accepted: 01/24/2024] [Indexed: 03/12/2024]
Abstract
When the SARS-CoV-2 virus infects humans, it leads to a condition called COVID-19 that has a wide spectrum of clinical manifestations, from no symptoms to acute respiratory distress syndrome. The virus initiates damage by attaching to the ACE-2 protein on the surface of endothelial cells that line the blood vessels and using these cells as hosts for replication. Reactive oxygen species levels are increased during viral replication, which leads to oxidative stress. About three-fifths (~60%) of the people who get infected with the virus eradicate it from their body after 28 days and recover their normal activity. However, a large fraction (~40%) of the people who are infected with the virus suffer from various symptoms (anosmia and/or ageusia, fatigue, cough, myalgia, cognitive impairment, insomnia, dyspnea, and tachycardia) beyond 12 weeks and are diagnosed with a syndrome called long COVID. Long-term clinical studies in a group of people who contracted SARS-CoV-2 have been contrasted with a noninfected matched group of people. A subset of infected people can be distinguished by a set of cytokine markers to have persistent, low-grade inflammation and often self-report two or more bothersome symptoms. No medication can alleviate their symptoms efficiently. Coronavirus nucleocapsid proteins have been investigated extensively as potential drug targets due to their key roles in virus replication, among which is their ability to bind their respective genomic RNAs for incorporation into emerging virions. This review highlights basic studies of the nucleocapsid protein and its ability to undergo liquid-liquid phase separation. We hypothesize that this ability of the nucleocapsid protein for phase separation may contribute to long COVID. This hypothesis unlocks new investigation angles and could potentially open novel avenues for a better understanding of long COVID and treating this condition.
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Affiliation(s)
- Ahmed Eltayeb
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Faisal Al-Sarraj
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mona Alharbi
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Raed Albiheyri
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Centre of Excellence in Bionanoscience Research, King Abdulaziz University, Jeddah, Saudi Arabia
- Immunology Unit, King Fahad Medical Research Centre, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ehab H Mattar
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Isam M Abu Zeid
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Thamer A Bouback
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Atif Bamagoos
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Vladimir N Uversky
- Department of Molecular Medicine and USF Health Byrd Alzheimer's Research Institute, Morsani College of Medicine, University of South Florida, Tampa, Florida, USA
- Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences, Moscow Region, Russia
| | - Alberto Rubio-Casillas
- Autlan Regional Hospital, Health Secretariat, Autlan, Jalisco, Mexico
- Biology Laboratory, Autlan Regional Preparatory School, University of Guadalajara, Autlan, Jalisco, Mexico
| | - Elrashdy M Redwan
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
- Centre of Excellence in Bionanoscience Research, King Abdulaziz University, Jeddah, Saudi Arabia
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8
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Angyal D, Groeneweg TA, Leung A, Desain M, Dulla K, de Jonge HR, Bijvelds MJC. Pro-inflammatory cytokines stimulate CFTR-dependent anion secretion in pancreatic ductal epithelium. Cell Mol Biol Lett 2024; 29:18. [PMID: 38262945 PMCID: PMC10807165 DOI: 10.1186/s11658-024-00537-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 01/17/2024] [Indexed: 01/25/2024] Open
Abstract
BACKGROUND Loss of CFTR-dependent anion and fluid secretion in the ducts of the exocrine pancreas is thought to contribute to the development of pancreatitis, but little is known about the impact of inflammation on ductal CFTR function. Here we used adult stem cell-derived cell cultures (organoids) obtained from porcine pancreas to evaluate the effects of pro-inflammatory cytokines on CFTR function. METHODS Organoids were cultured from porcine pancreas and used to prepare ductal epithelial monolayers. Monolayers were characterized by immunocytochemistry. Epithelial bicarbonate and chloride secretion, and the effect of IL-1β, IL-6, IFN-γ, and TNF-α on CFTR function was assessed by electrophysiology. RESULTS Immunolocalization of ductal markers, including CFTR, keratin 7, and zonula occludens 1, demonstrated that organoid-derived cells formed a highly polarized epithelium. Stimulation by secretin or VIP triggered CFTR-dependent anion secretion across epithelial monolayers, whereas purinergic receptor stimulation by UTP, elicited CFTR-independent anion secretion. Most of the anion secretory response was attributable to bicarbonate transport. The combination of IL-1β, IL-6, IFN-γ, and TNF-α markedly enhanced CFTR expression and anion secretion across ductal epithelial monolayers, whereas these cytokines had little effect when tested separately. Although TNF-α triggered apoptotic signaling, epithelial barrier function was not significantly affected by cytokine exposure. CONCLUSIONS Pro-inflammatory cytokines enhance CFTR-dependent anion secretion across pancreatic ductal epithelium. We propose that up-regulation of CFTR in the early stages of the inflammatory response, may serve to promote the removal of pathogenic stimuli from the ductal tree, and limit tissue injury.
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Affiliation(s)
- Dora Angyal
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, PO Box 2040, 3000CA, Rotterdam, The Netherlands
| | - Tessa A Groeneweg
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, PO Box 2040, 3000CA, Rotterdam, The Netherlands
| | - Anny Leung
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, PO Box 2040, 3000CA, Rotterdam, The Netherlands
| | - Max Desain
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, PO Box 2040, 3000CA, Rotterdam, The Netherlands
| | - Kalyan Dulla
- Boehringer Ingelheim Pharma GmbH & Co. KG, Binger Strasse 173, 55216, Ingelheim Am Rhein, Germany
| | - Hugo R de Jonge
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, PO Box 2040, 3000CA, Rotterdam, The Netherlands
| | - Marcel J C Bijvelds
- Department of Gastroenterology and Hepatology, Erasmus MC University Medical Center, PO Box 2040, 3000CA, Rotterdam, The Netherlands.
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9
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Si Y, Liu L, Fan Z. Mechanisms and effects of NLRP3 in digestive cancers. Cell Death Discov 2024; 10:10. [PMID: 38182564 PMCID: PMC10770122 DOI: 10.1038/s41420-023-01783-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 12/09/2023] [Accepted: 12/15/2023] [Indexed: 01/07/2024] Open
Abstract
Inflammasomes are thought to be important mediators of host defense against microbial pathogens and maintenance of gastrointestinal tract homeostasis. They can modulate caspase-1 to promote IL-18 and IL-1β secretion and promote phagocytosis induced by bacterial pathogens. NLRP3 is an inflammasome comprising a multiprotein complex assembled by pattern recognition receptors in the cell cytoplasm. It is a crucial component of the innate immune system. Dysregulation of NLRP3 may contribute to inflammatory diseases and intestinal cancers. Recent research suggests that NLRP3 plays an essential role in tumor development; therefore, intensive study of its mechanism is warranted as it could play a key role in the treatment of digestive system tumors. In this review, we discuss the mechanism and role of NLRP3 in tumors of the digestive system and response strategies to modulate NLRP3 for potential use in tumor treatment.
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Affiliation(s)
- Yuxin Si
- Department of General Surgery, The Third People's Hospital of Dalian, Dalian Medical University, Dalian, China
- Department of General Surgery, The Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Lei Liu
- Laboratory of Pathogenic Biology, College of Basic Medical Science, Dalian Medical University, Dalian, China
| | - Zhe Fan
- Department of General Surgery, The Third People's Hospital of Dalian, Dalian Medical University, Dalian, China.
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10
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Gong J, Xiong Z, Yu W, Song Z. Bone Marrow Mesenchymal Stem Cells Alleviate Acute Severe Pancreatitis and Promote Lung Repair via Inhibiting NLRP3 Inflammasome in Rat. Dig Dis Sci 2024; 69:135-147. [PMID: 38007702 DOI: 10.1007/s10620-023-08189-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 11/07/2023] [Indexed: 11/28/2023]
Abstract
BACKGROUND Acute severe pancreatitis (SAP) is a severe acute abdominal disease, which can lead to pancreatic infection and necrosis as well as distant organ damage. Bone marrow mesenchymal stem cells (BMSCs) can exert anti-inflammatory effect on SAP, while NLRP3 inflammasomes play an important role in the inflammatory response. This study aimed to investigate whether BMSCs exert anti-inflammatory effect on SAP by inhibiting NLRP3 inflammasome. METHODS The rat SAP model was established. Serum amylase, lipase and inflammatory factor levels were measured by ELISA, and the level of tissue injury was assessed by HE staining. The expression of NLRP3 inflammasome was detected by PCR, Western Blot and immunohistochemistry. ML385 was used to block Nrf2 pathway, aiming to investigate whether Nrf2 pathway was involved in the therapeutic effect of BMSCs on SAP by regulating NLRP3 inflammasome expression. RESULTS In SAP rats, NLRP3 inflammasome was activated, which became more evident over time. After transplantation of BMSCs, the NLRP3 inflammasome expression decreased at both mRNA and protein levels, the serum levels of amylase, lipase and inflammatory factors decreased, and the pathological scores of the pancreas and lung were both improved. After blocking the Nrf2 pathway, the NLRP3 inflammasome expression increased in the injured pancreas and lung, and the inflammation deteriorated, which inhibited the therapeutic effects of BMSCs on SAP. CONCLUSION The therapeutic effect of BMSC on SAP is at least partially ascribed to the inhibition of NLRP3 inflammasome, and Nrf2 pathway mediates the therapeutic effect of BMSC on SAP by inhibiting NLRP3 inflammasome.
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Affiliation(s)
- Jian Gong
- Department of General Surgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 200072, Shanghai, China
| | - Zhaoming Xiong
- Department of General Surgery, Shanghai Tenth People's Hospital, Tongji University School of Medicine, 200072, Shanghai, China
| | - Weidi Yu
- Department of General Surgery, Shanghai Fourth People's Hospital, Tongji University School of Medicine, 200072, Shanghai, China
| | - Zhenshun Song
- Department of General Surgery, Shanghai Fourth People's Hospital, Tongji University School of Medicine, 200072, Shanghai, China.
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11
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Cabral-França T, Cruz FF, Silva PC, Pannain VLN, Fernandes A, Eulálio JMR, Paiva MM, Macedo-Ramos H, Manso JEF, Baetas-da-Cruz W. Hippocampal Microglia Activation Induced by Acute Pancreatic Injury in Rats. Dig Dis Sci 2024; 69:148-160. [PMID: 37957410 DOI: 10.1007/s10620-023-08167-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Accepted: 10/19/2023] [Indexed: 11/15/2023]
Abstract
BACKGROUND Acute pancreatitis is an inflammation of the pancreatic glandular parenchyma that causes injury with or without the destruction of pancreatic acini. Clinical and experimental evidence suggest that certain systemic proinflammatory mediators may be responsible for initiating the fundamental mechanisms involved in microglial reactivity. Here, we investigated the possible repercussions of acute pancreatitis (AP) on the production of inflammatory mediators in the brain parenchyma focusing on microglial activation in the hippocampus. METHODS The acute pancreatic injury in rats was induced by a pancreas ligation surgical procedure (PLSP) on the splenic lobe, which corresponds to approximately 10% of total mass of the pancreas. Blood samples were collected via intracardiac puncture for the measurement of serum amylase. After euthanasia, frozen or paraffin-embedded brains and pancreas were analyzed using qRT-PCR or immunohistochemistry, respectively. RESULTS Immunohistochemistry assays showed a large number of Iba1 and PU.1-positive cells in the CA1, CA3, and dentate gyrus (DG) regions of the hippocampus of the PLSP group. TNF-α mRNA expression was significantly higher in the brain from PLSP group. NLRP3 inflammasome expression was found to be significantly increased in the pancreas and brain of rats of the PLSP group. High levels of BNDF mRNA were found in the rat brain of PLSP group. In contrast, NGF mRNA levels were significantly higher in the control group versus PLSP group. CONCLUSION Our findings suggest that AP has the potential to induce morphological changes in microglia consistent with an activated phenotype.
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Affiliation(s)
- Tamires Cabral-França
- Postgraduate Program in Surgical Science, Department of Surgery, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Department of Surgery, Centre for Experimental Surgery, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Translational Laboratory in Molecular Physiology, Department of Surgery, School of Medicine, Centre for Experimental Surgery, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Fernanda Ferreira Cruz
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Paulo Cesar Silva
- Department of Surgery, Centre for Experimental Surgery, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vera Lucia Nunes Pannain
- Postgraduate Program in Surgical Science, Department of Surgery, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Department of Pathology, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Arlete Fernandes
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Department of Pathology, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - José Marcus Raso Eulálio
- Postgraduate Program in Surgical Science, Department of Surgery, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Department of Surgery, Centre for Experimental Surgery, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Hugo Macedo-Ramos
- Translational Laboratory in Molecular Physiology, Department of Surgery, School of Medicine, Centre for Experimental Surgery, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Jose Eduardo Ferreira Manso
- Postgraduate Program in Surgical Science, Department of Surgery, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
- Department of Surgery, Centre for Experimental Surgery, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Wagner Baetas-da-Cruz
- Postgraduate Program in Surgical Science, Department of Surgery, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
- Department of Surgery, Centre for Experimental Surgery, School of Medicine, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
- Translational Laboratory in Molecular Physiology, Department of Surgery, School of Medicine, Centre for Experimental Surgery, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
- Laboratório Translacional em Fisiologia Molecular, Faculdade de Medicina, Centro de Cirurgia Experimental, Universidade Federal do Rio de Janeiro, Av. Carlos Chagas Filho 373, CCS, Bloco J, 2º and, Rio de Janeiro, RJ, 21941-902, Brazil.
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12
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Salem HA, Abu-Elfotuh K, Alzahrani S, Rizk NI, Ali HS, Elsherbiny N, Aljohani A, Hamdan AME, Chellasamy P, Abdou NS, Gowifel AMH, Darwish A, Ibrahim OM, Abd Elmageed ZY. Punicalagin's Protective Effects on Parkinson's Progression in Socially Isolated and Socialized Rats: Insights into Multifaceted Pathway. Pharmaceutics 2023; 15:2420. [PMID: 37896179 PMCID: PMC10610313 DOI: 10.3390/pharmaceutics15102420] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 08/29/2023] [Accepted: 09/29/2023] [Indexed: 10/29/2023] Open
Abstract
Parkinson's disease (PD) is a gradual deterioration of dopaminergic neurons, leading to motor impairments. Social isolation (SI), a recognized stressor, has recently gained attention as a potential influencing factor in the progress of neurodegenerative illnesses. We aimed to investigate the intricate relationship between SI and PD progression, both independently and in the presence of manganese chloride (MnCl2), while evaluating the punicalagin (PUN) therapeutic effects, a natural compound established for its cytoprotective, anti-inflammatory, and anti-apoptotic activities. In this five-week experiment, seven groups of male albino rats were organized: G1 (normal control), G2 (SI), G3 (MnCl2), G4 (SI + MnCl2), G5 (SI + PUN), G6 (MnCl2 + PUN), and G7 (SI + PUN + MnCl2). The results revealed significant changes in behavior, biochemistry, and histopathology in rats exposed to SI and/or MnCl2, with the most pronounced effects detected in the SI rats concurrently exposed to MnCl2. These effects were associated with augmented oxidative stress biomarkers and reduced antioxidant activity of the Nrf2/HO-1 pathway. Additionally, inflammatory pathways (HMGB1/RAGE/TLR4/NF-ᴋB/NLRP3/Caspase-1 and JAK-2/STAT-3) were upregulated, while dysregulation of signaling pathways (PI3K/AKT/GSK-3β/CREB), sustained endoplasmic reticulum stress by activation PERK/CHOP/Bcl-2, and impaired autophagy (AMPK/SIRT-1/Beclin-1 axis) were observed. Apoptosis induction and a decrease in monoamine levels were also noted. Remarkably, treatment with PUN effectively alleviated behaviour, histopathological changes, and biochemical alterations induced by SI and/or MnCl2. These findings emphasize the role of SI in PD progress and propose PUN as a potential therapeutic intervention to mitigate PD. PUN's mechanisms of action involve modulation of pathways such as HMGB1/RAGE/TLR4/NF-ᴋB/NLRP3/Caspase-1, JAK-2/STAT-3, PI3K/AKT/GSK-3β/CREB, AMPK/SIRT-1, Nrf2/HO-1, and PERK/CHOP/Bcl-2.
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Affiliation(s)
- Hoda A. Salem
- Department of Pharmacy Practice, Faculty of Pharmacy, University of Tabuk, Tabuk 71491, Saudi Arabia;
- Department of Clinical Pharmacy, Faculty of Pharmacy, Al-Azhar University, Cairo 11884, Egypt;
| | - Karema Abu-Elfotuh
- Department of Clinical Pharmacy, Faculty of Pharmacy, Al-Azhar University, Cairo 11884, Egypt;
| | - Sharifa Alzahrani
- Department of Pharmacology, Faculty of Medicine, University of Tabuk, Tabuk 71491, Saudi Arabia; (H.S.A.); (S.A.)
| | - Nermin I. Rizk
- Medical Physiology Department, Faculty of Medicine, Menoufia University, Menouf 32952, Egypt;
| | - Howaida S. Ali
- Department of Pharmacology, Faculty of Medicine, University of Tabuk, Tabuk 71491, Saudi Arabia; (H.S.A.); (S.A.)
- Department of Pharmacology, Faculty of Medicine, Assiut University, Assiut 71515, Egypt
| | - Nehal Elsherbiny
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Tabuk, Tabuk 71491, Saudi Arabia;
- Department of Biochemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Alhanouf Aljohani
- Faculty of Pharmacy, University of Tabuk, Tabuk 71491, Saudi Arabia;
| | - Ahmed M. E. Hamdan
- Department of Pharmacy Practice, Faculty of Pharmacy, University of Tabuk, Tabuk 71491, Saudi Arabia;
| | | | - Nada S. Abdou
- Faculty of Medicine, Misr University for Science and Technology (MUST), Giza 11556, Egypt;
| | - Ayah M. H. Gowifel
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Modern University for Technology and Information (MTI), Cairo 11571, Egypt;
| | - Alshaymaa Darwish
- Biochemistry Department, Faculty of Pharmacy, Sohag University, Sohag 82524, Egypt;
| | - Osama Mohamed Ibrahim
- Clinical Pharmacy Department, Faculty of Pharmacy, University of Tanta, Tanta 31527, Egypt;
| | - Zakaria Y. Abd Elmageed
- Department of Pharmacology, Edward Via College of Osteopathic Medicine, University of Louisiana at Monroe, Monroe, LA 71203, USA;
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13
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Deng J, Song Z, Li X, Shi H, Huang S, Tang L. Role of lncRNAs in acute pancreatitis: pathogenesis, diagnosis, and therapy. Front Genet 2023; 14:1257552. [PMID: 37842644 PMCID: PMC10569178 DOI: 10.3389/fgene.2023.1257552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 09/18/2023] [Indexed: 10/17/2023] Open
Abstract
Acute pancreatitis (AP) is one of the most common acute abdominal diseases characterized by an injury and inflammatory disorder of the pancreas with complicated pathological mechanisms. Long non-coding RNAs (lncRNAs) have been shown to play an important role in various physiological and pathological processes in humans, and they have emerged as potential biomarkers of diagnosis and therapeutic targets in various diseases. Recently, accumulating evidence has shown significant alterations in the expression of lncRNAs, which are involved in the pathogenesis of AP, such as premature trypsinogen activation, impaired autophagy, inflammatory response, and acinar cell death. Moreover, lncRNAs can be the direct target of AP treatment and show potential as biomarkers for the diagnosis. Thus, in this review, we focus on the role of lncRNAs in the pathogenesis, diagnosis, and therapy of AP and emphasize the future directions to study lncRNAs in AP, providing new insight into understanding the cellular and molecular mechanisms of AP and seeking novel biomarkers for the diagnosis and therapeutic targets to improve clinical management in the future.
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Affiliation(s)
- Jie Deng
- Department of Clinical Pharmacy, The General Hospital of Western Theater Command, Chengdu, China
| | - Ziying Song
- Department of Emergency Medicine, The General Hospital of Western Theater Command, Chengdu, China
| | - Xiaolan Li
- Department of Pain Medicine, The General Hospital of Western Theater Command, Chengdu, China
| | - Huiqing Shi
- Department of Clinical Pharmacy, The General Hospital of Western Theater Command, Chengdu, China
| | - Shangqing Huang
- Department of General Surgery, Pancreatic Injury and Repair Key Laboratory of Sichuan Province, The General Hospital of Western Theater Command, Chengdu, China
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China
| | - Lijun Tang
- Department of General Surgery, Pancreatic Injury and Repair Key Laboratory of Sichuan Province, The General Hospital of Western Theater Command, Chengdu, China
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China
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14
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Lee D, Kim S, Koo Y, Chae Y, Wang J, Kim S, Yun T, Yang MP, Kang BT, Kim H. Expression of vitamin D receptor, CYP24A1, and CYP27B1 in normal and inflamed canine pancreases. Front Vet Sci 2023; 10:1265203. [PMID: 37808100 PMCID: PMC10551448 DOI: 10.3389/fvets.2023.1265203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 09/05/2023] [Indexed: 10/10/2023] Open
Abstract
Vitamin D plays a role in anti-inflammatory processes, and the alteration of its metabolism is associated with the inflammatory processes of pancreatitis. This study was performed to evaluate the expression of the vitamin D receptor (VDR) and the two major enzymes that regulate vitamin D metabolism, 1α-hydroxylase (CYP27B1) and 24-hydroxylase (CYP24A1), in the canine pancreas and to compare their degrees of immunoreactivity between normal and inflamed pancreases. Five normal and inflamed pancreatic tissues each were obtained from six dogs. The expression of VDR, CYP24A1, and CYP27B1 were determined immunohistochemically, and the degree of immunostaining was assessed semiquantitatively. The VDR was expressed in the ducts, acini, and islets of Langerhans of normal pancreases and in the ducts and acini of inflamed ones. There was a significant difference in the immunoreactivity score for VDR in the islets of Langerhans between normal (median, 3 [interquartile range, 2-7.5] score) and inflamed pancreatic tissues (0 [0-0.5] score, p = 0.03). CYP24A1 was expressed in the ducts and islets of Langerhans in both normal and inflamed pancreases, whereas CYP27B1 was expressed in the ducts and acini in only some normal and inflamed pancreatic tissues. This study showed that VDR expression decreased in inflamed pancreases and demonstrated CYP24A1 and CYP27B1 expression in the canine pancreas for the first time. These findings indicate that the pancreas could regulate the metabolism and biological activity of vitamin D and suggest that a decrease in these might be related to the pathophysiology of pancreatitis.
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Affiliation(s)
- Dohee Lee
- Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Sanggu Kim
- Laboratory of Veterinary Pathology and Platelet Signaling, College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Yoonhoi Koo
- Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Yeon Chae
- Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Juwon Wang
- Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Soochong Kim
- Laboratory of Veterinary Pathology and Platelet Signaling, College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Taesik Yun
- Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Mhan-Pyo Yang
- Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Byeong-Teck Kang
- Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
| | - Hakhyun Kim
- Laboratory of Veterinary Internal Medicine, College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
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15
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Zhao X, Huang B, Zhang J, Xiang W, Zhu N. Celastrol attenuates streptozotocin-induced diabetic cardiomyopathy in mice by inhibiting the ACE / Ang II / AGTR1 signaling pathway. Diabetol Metab Syndr 2023; 15:186. [PMID: 37700366 PMCID: PMC10496318 DOI: 10.1186/s13098-023-01159-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 09/04/2023] [Indexed: 09/14/2023] Open
Abstract
BACKGROUND Heart failure is closely correlated with diabetic cardiomyopathy (DCM) and can lead to mortality. Celastrol has long been utilized for the treatment of immune and inflammatory disorders. However, whether celastrol would exert protective effects on DCM has not been determined. This work aimed to explore the protective actions of celastrol on DCM and unravel the underlying mechanisms involved. METHODS A DCM model was constructed in mice by intraperitoneal administration of streptozotocin. ELISA and echocardiography were performed to examine myocardial injury markers and cardiac function, respectively. Morphological changes and fibrosis were assessed using H&E staining and Masson's staining. Inflammatory cytokines and fibrotic markers were detected by ELISA and RT-PCR. Endothelial nitric oxide synthase, apoptosis, and reactive oxygen species were detected by microscopic staining. Network pharmacology approaches, molecular docking analysis, ELISA, and Western blot were used for mechanism studies. RESULTS Celastrol alleviated diabetes-induced cardiac injury and remodeling. Celastrol also suppressed diabetes-induced production of inflammatory cytokines and reactive oxygen species, as well as cardiomyocyte apoptosis. The cardioprotective effects of celastrol were associated with its inhibition on the angiotensin-converting enzyme / angiotensin II / angiotensin II receptor type 1 signaling pathway. CONCLUSION Celastrol exhibits significant potential as an effective cardioprotective drug for DCM treatment. The underlying mechanisms can be attributed to the blockage of celastrol on the angiotensin-converting enzyme signaling pathway.
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Affiliation(s)
- Xuyong Zhao
- Department of Cardiology, The Wenzhou Third Clinical Institute, The Third Affiliated Hospital of Shanghai University, Wenzhou Medical University, Wenzhou People's Hospital, No. 299 Guan Road, Wenzhou, Zhejiang Province, People's Republic of China
| | - Bingwu Huang
- Department of Anesthesiology and Perioperative Medicine, The Second Affiliated Hospital, Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jianhua Zhang
- Department of Cardiology, The Wenzhou Third Clinical Institute, The Third Affiliated Hospital of Shanghai University, Wenzhou Medical University, Wenzhou People's Hospital, No. 299 Guan Road, Wenzhou, Zhejiang Province, People's Republic of China
| | - Wenjun Xiang
- Department of Pathology, The Wenzhou Third Clinical Institute, The Third Affiliated Hospital of Shanghai University, Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Ning Zhu
- Department of Cardiology, The Wenzhou Third Clinical Institute, The Third Affiliated Hospital of Shanghai University, Wenzhou Medical University, Wenzhou People's Hospital, No. 299 Guan Road, Wenzhou, Zhejiang Province, People's Republic of China.
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16
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Lee D, Koo Y, Chae Y, Choi Y, Yun T, Kang B, Yang M, Kim H. Serum 25-hydroxyvitamin D, vitamin D receptor, and vitamin D binding protein concentrations in dogs with acute pancreatitis compared to healthy control dogs. J Vet Intern Med 2023; 37:1694-1702. [PMID: 37496238 PMCID: PMC10473002 DOI: 10.1111/jvim.16809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 07/03/2023] [Indexed: 07/28/2023] Open
Abstract
BACKGROUND Previous studies have documented vitamin D imbalance in dogs with acute pancreatitis (AP), but no studies have investigated serum vitamin D receptor (VDR) and vitamin D-binding protein (VDBP) concentrations. OBJECTIVES Compare serum 25-hydroxyvitamin D (25[OH]D), VDR, and VDBP concentrations in healthy dogs and dogs with AP and identify correlations between these concentrations with ionized calcium, C-reactive protein (CRP), and canine-specific pancreatic lipase (Spec cPL) concentrations. ANIMALS Twenty-two dogs with AP and 20 healthy control dogs. METHODS Prospective cross-sectional study. Serum 25(OH)D concentrations were measured using a chemiluminescence immunoassay, and VDR and VDBP concentrations were measured using a ELISA kit designed for dogs. RESULTS Serum concentrations of 25(OH)D were lower in dogs with AP (mean ± SD, 66.1 ± 39.2 ng/mL) than in controls (96.8 ± 30.4 ng/mL; P = .01), and VDR concentrations were lower in dogs with AP (5.3 ± 3.5 ng/mL) than in controls (7.4 ± 2.5 ng/mL; P = .03). No difference was observed in serum VDBP concentrations between the groups. Serum VDR concentrations differed between survivors (median [interquartile range] = 6.6 [4.3-8.2] ng/mL) and nonsurvivors (2.7 [0.5-3.5] ng/mL; P = .01). Negative correlations were observed among serum VDR, CRP (rs = -0.55), and Spec cPL (rs = -0.47) concentrations in dogs with AP. CONCLUSIONS AND CLINICAL IMPORTANCE Dogs with AP had lower serum 25(OH)D and VDR concentrations than controls. Additionally, our study suggests a potential role of VDR expression in the inflammatory process of AP in dogs.
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Affiliation(s)
- Dohee Lee
- Laboratory of Veterinary Internal Medicine, College of Veterinary MedicineChungbuk National UniversityCheongju 28644Republic of Korea
| | - Yoonhoi Koo
- Laboratory of Veterinary Internal Medicine, College of Veterinary MedicineChungbuk National UniversityCheongju 28644Republic of Korea
| | - Yeon Chae
- Laboratory of Veterinary Internal Medicine, College of Veterinary MedicineChungbuk National UniversityCheongju 28644Republic of Korea
| | - Yeongeun Choi
- Laboratory of Veterinary Internal Medicine, College of Veterinary MedicineChungbuk National UniversityCheongju 28644Republic of Korea
| | - Taesik Yun
- Laboratory of Veterinary Internal Medicine, College of Veterinary MedicineChungbuk National UniversityCheongju 28644Republic of Korea
| | - Byeong‐Teck Kang
- Laboratory of Veterinary Internal Medicine, College of Veterinary MedicineChungbuk National UniversityCheongju 28644Republic of Korea
| | - Mhan‐Pyo Yang
- Laboratory of Veterinary Internal Medicine, College of Veterinary MedicineChungbuk National UniversityCheongju 28644Republic of Korea
| | - Hakhyun Kim
- Laboratory of Veterinary Internal Medicine, College of Veterinary MedicineChungbuk National UniversityCheongju 28644Republic of Korea
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17
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Nani A, Tehami W. Targeting inflammasome pathway by polyphenols as a strategy for pancreatitis, gastrointestinal and liver diseases management: an updated review. Front Nutr 2023; 10:1157572. [PMID: 37743919 PMCID: PMC10513047 DOI: 10.3389/fnut.2023.1157572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 08/14/2023] [Indexed: 09/26/2023] Open
Abstract
Obesity, pancreatitis, cardiovascular, gastrointestinal (GI), and liver diseases have all been linked to the Western lifestyle, characterized by increased unhealthy food consumption and decreased physical activity. Besides obesity and pancreatitis, many GI and liver diseases are associated with inflammation. Inflammasomes are multi-protein complexes that mediate acute and restorative inflammatory pathways. However, many aberrations in inflammasome activity originate from shifts in dietary habits. Evidence reveals that dietary polyphenols effectively modulate inflammasome-associated dysfunctions. With a focus on pancreatitis, GI, and liver disorders, this review set out to provide the most relevant evidence for the therapeutic impact of polyphenols via the regulation of the inflammasome pathway. Overall, flavonoid and non-flavonoid polyphenols maintain intestinal eubiosis, downregulate NLRP3 inflammasome canonical pathway, and restore redox status via upregulating Nrf2/HO-1 signaling. These effects at the level of the intestine, the liver, and the pancreas are associated with decreased systemic levels of key pro-inflammatory cytokines, including TNF-α, IL-1β, and IL-6.
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Affiliation(s)
- Abdelhafid Nani
- Laboratory of Saharan Natural Resources, University of Ahmed Draia, Adrar, Algeria
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18
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Li L, Liu Q, Le C, Zhang H, Liu W, Gu Y, Yang J, Zhang X. Toll-like receptor 2 deficiency alleviates acute pancreatitis by inactivating the NF-κB/NLRP3 pathway. Int Immunopharmacol 2023; 121:110547. [PMID: 37356124 DOI: 10.1016/j.intimp.2023.110547] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 06/09/2023] [Accepted: 06/18/2023] [Indexed: 06/27/2023]
Abstract
The early aseptic immune response is the key factor leading to the aggravation of acute pancreatitis (AP). Toll-like receptor (TLR) 2 is an important member of the TLR family, but the role of TLR2 in AP remains to be investigated. In the present study, we found that TLR2 expression was significantly increased in AP patients. In a mouse model of cerulein-induced AP, TLR2 deficiency resulted in reduced inflammation, reduced infiltration of pancreatic neutrophils and macrophages, and decreased expression of proinflammatory cytokines such as interleukin (IL)-1β, IL-6, IL-17 and IL-18. In addition, transcriptomic analysis revealed that nod-like receptor family pyrin domain-containing 3 (NLRP3) expression was increased in AP, and there was a significant correlation between NLRP3 and TLR2. This study found that TLR2 deficiency can lead to a decrease in the activation of the NF-κB/NLRP3 signalling pathway, and the NLRP3 inhibitor MCC950 can alleviate AP in mice. Therefore, this study confirmed that TLR2 participates in the development of AP by activating the NF-κB/NLRP3 pathway. This study suggested that TLR2 might be a novel therapeutic target for AP.
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Affiliation(s)
- Lingyun Li
- Department of Gastroenterology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China; Key Laboratory of Integrated Traditional Chinese and Western Medicine for Biliary and Pancreatic Diseases of Zhejiang Province, Hangzhou 310006, China; Hangzhou Institute of Digestive Disease, Hangzhou 310006, China
| | - Qiang Liu
- Department of Gastroenterology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China; Key Laboratory of Integrated Traditional Chinese and Western Medicine for Biliary and Pancreatic Diseases of Zhejiang Province, Hangzhou 310006, China; Hangzhou Institute of Digestive Disease, Hangzhou 310006, China
| | - Chenyu Le
- The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310006, China
| | - Hongchen Zhang
- Department of Gastroenterology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China; The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310006, China
| | - Wenfei Liu
- Chinese PLA 305 Hospital, Beijing 100018, China
| | - Ye Gu
- Department of Gastroenterology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China; The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310006, China
| | - Jianfeng Yang
- Department of Gastroenterology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China; The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310006, China; Key Laboratory of Integrated Traditional Chinese and Western Medicine for Biliary and Pancreatic Diseases of Zhejiang Province, Hangzhou 310006, China; Hangzhou Institute of Digestive Disease, Hangzhou 310006, China
| | - Xiaofeng Zhang
- Department of Gastroenterology, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China; The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou 310006, China; Key Laboratory of Integrated Traditional Chinese and Western Medicine for Biliary and Pancreatic Diseases of Zhejiang Province, Hangzhou 310006, China; Hangzhou Institute of Digestive Disease, Hangzhou 310006, China.
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19
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Liu T, Wang Q, Du Z, Yin L, Li J, Meng X, Xue D. The trigger for pancreatic disease: NLRP3 inflammasome. Cell Death Discov 2023; 9:246. [PMID: 37452057 PMCID: PMC10349060 DOI: 10.1038/s41420-023-01550-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/23/2023] [Accepted: 07/05/2023] [Indexed: 07/18/2023] Open
Abstract
NLRP3 inflammasome is a multiprotein complex expressed in a variety of cells to stimulate the production of inflammatory factors. Activation of NLRP3 inflammasome depends on a complex regulatory mechanism, and its pro-inflammatory function plays an important role in pancreatic diseases. In this literature review, we summarize the activation mechanism of NLRP3 and analyze its role in each of the four typical pancreatic diseases. Through this article, we provide a relatively comprehensive summary to the researchers in this field, and provide some targeted therapy routes.
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Affiliation(s)
- Tianming Liu
- Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Qiang Wang
- Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Zhiwei Du
- Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Lu Yin
- Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Jiachen Li
- Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China
| | - Xianzhi Meng
- Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China.
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China.
| | - Dongbo Xue
- Department of General Surgery, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China.
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, China.
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20
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Yang J, Sha X, Wu D, Wu B, Pan X, Pan LL, Gu Y, Dong X. Formononetin alleviates acute pancreatitis by reducing oxidative stress and modulating intestinal barrier. Chin Med 2023; 18:78. [PMID: 37370098 DOI: 10.1186/s13020-023-00773-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 05/19/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND Acute pancreatitis (AP) is a recurrent inflammatory disease. Studies have shown that intestinal homeostasis is essential for the treatment of AP. Formononetin is a plant-derived isoflavone with antioxidant properties that can effectively treat a variety of inflammatory diseases. This study aims to investigate the role of formononetin in protecting against AP and underlying mechanism. METHODS Caerulein was used to induce AP. The inflammatory cytokines were detected using Quantitative real-time PCR and commercial kits. Histological examination was applied with hematoxylin and eosin staining. Western blot was conducted to detect expression of intestinal barrier protein and signaling molecular. Molecular docking was performed to assess protein-ligand interaction. RESULTS In this study, we found formononetin administration significantly reduced pancreatic edema, the activities of serum amylase, lipase, myeloperoxidase, and serum endotoxin. The mRNA levels of inflammatory cytokines such as tumor necrosis factor α, monocyte chemoattractant protein-1, interleukin-6, and interleukin-1 beta (IL-1β) in pancreas were also significantly decreased by formononetin. The following data showed formononetin pretreatment up-regulated the expressions of tight junction proteins in the colon, and decreased Escherichia coli translocation in the pancreas. In addition, formononetin inhibited the activation of nucleotide-binding oligomerization domain leucine-rich repeat and pyrin domain-containing 3 in pancreatic and colonic tissues of AP mice. Moreover, formononetin activated Kelch Like ECH Associated Protein 1 (Keap1) / Nuclear factor erythroid2-related factor 2 (Nrf2) signaling pathway to reduce reactive oxygen species (ROS) levels. Docking results showed that formononetin interact with Keap1 through hydrogen bond. CONCLUSIONS These findings demonstrate that formononetin administration significantly mitigate AP through reducing oxidative stress and restoring intestinal homeostasis, and provide insights into the new treatment for AP.
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Affiliation(s)
- Jun Yang
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
- Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, People's Republic of China
| | - Xiaowei Sha
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
| | - Di Wu
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
| | - Bo Wu
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
| | - Xiaohua Pan
- School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
| | - Li-Long Pan
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, People's Republic of China
| | - Yuanlong Gu
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, People's Republic of China.
- Affiliated Hospital of Jiangnan University, Wuxi, Jiangsu, People's Republic of China.
| | - Xiaoliang Dong
- Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu, People's Republic of China.
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Marstrand-Daucé L, Lorenzo D, Chassac A, Nicole P, Couvelard A, Haumaitre C. Acinar-to-Ductal Metaplasia (ADM): On the Road to Pancreatic Intraepithelial Neoplasia (PanIN) and Pancreatic Cancer. Int J Mol Sci 2023; 24:9946. [PMID: 37373094 DOI: 10.3390/ijms24129946] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/02/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Adult pancreatic acinar cells show high plasticity allowing them to change in their differentiation commitment. Pancreatic acinar-to-ductal metaplasia (ADM) is a cellular process in which the differentiated pancreatic acinar cells transform into duct-like cells. This process can occur as a result of cellular injury or inflammation in the pancreas. While ADM is a reversible process allowing pancreatic acinar regeneration, persistent inflammation or injury can lead to the development of pancreatic intraepithelial neoplasia (PanIN), which is a common precancerous lesion that precedes pancreatic ductal adenocarcinoma (PDAC). Several factors can contribute to the development of ADM and PanIN, including environmental factors such as obesity, chronic inflammation and genetic mutations. ADM is driven by extrinsic and intrinsic signaling. Here, we review the current knowledge on the cellular and molecular biology of ADM. Understanding the cellular and molecular mechanisms underlying ADM is critical for the development of new therapeutic strategies for pancreatitis and PDAC. Identifying the intermediate states and key molecules that regulate ADM initiation, maintenance and progression may help the development of novel preventive strategies for PDAC.
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Affiliation(s)
- Louis Marstrand-Daucé
- INSERM UMR1149, Inflammation Research Center (CRI), Université Paris Cité, 75018 Paris, France
| | - Diane Lorenzo
- INSERM UMR1149, Inflammation Research Center (CRI), Université Paris Cité, 75018 Paris, France
| | - Anaïs Chassac
- INSERM UMR1149, Inflammation Research Center (CRI), Université Paris Cité, 75018 Paris, France
- Department of Pathology, Bichat Hospital, Université Paris Cité, 75018 Paris, France
| | - Pascal Nicole
- INSERM UMR1149, Inflammation Research Center (CRI), Université Paris Cité, 75018 Paris, France
| | - Anne Couvelard
- INSERM UMR1149, Inflammation Research Center (CRI), Université Paris Cité, 75018 Paris, France
- Department of Pathology, Bichat Hospital, Université Paris Cité, 75018 Paris, France
| | - Cécile Haumaitre
- INSERM UMR1149, Inflammation Research Center (CRI), Université Paris Cité, 75018 Paris, France
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22
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Yao J, Lan B, Ma C, Liu Y, Wu X, Feng K, Chen H, Wen Q. RNA-sequencing approach for exploring the protective mechanisms of dexmedetomidine on pancreatic injury in severe acute pancreatitis. Front Pharmacol 2023; 14:1189486. [PMID: 37251314 PMCID: PMC10211339 DOI: 10.3389/fphar.2023.1189486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 05/02/2023] [Indexed: 05/31/2023] Open
Abstract
Background: Severe acute pancreatitis (SAP) is a severe form of acute pancreatitis with the potential to cause life-threatening complications. Patients with acute SAP require surgical intervention and are admitted to the intensive care unit for non-invasive ventilation. Dexmedetomidine (Dex) is currently used by intensive care clinicians and anaesthesiologists as an adjunctive sedative. Therefore, the clinical availability of Dex makes it easier to implement in SAP treatment than developing new drugs. Methods: Randomly dividing thirty rats into sham-operated (Sham), SAP, and Dex groups. The severity of pancreatic tissue injury in each rat was assessed by Hematoxylin and eosin (HE) staining. Serum amylase activity and inflammatory factor levels were measured using commercially available kits. The expressions of necroptosis-related proteins, myeloperoxidase (MPO), CD68, and 4-hydroxy-trans-2-nonenal (HNE) were detected using immunohistochemistry (IHC). Transferase-mediated dUTP nick-end labeling (TUNEL) staining was utilized to identify pancreatic acinar cell apoptosis. The subcellular organelle structure of pancreatic acinar cells was observed using transmission electron microscopy. The regulatory effect of Dex on the gene expression profile of SAP rat pancreas tissue was investigated using RNA sequencing. We screened for differentially expressed genes (DEGs). Quantitative real-time PCR (qRT-PCR) measured critical DEG mRNA expression in rat pancreatic tissues. Results: Dex attenuated SAP-induced pancreatic injury, infiltration of neutrophils and macrophages, and oxidative stress. Dex inhibited the expression of necroptosis-associated proteins RIPK1, RIPK3, and MLKL and alleviated apoptosis in acinar cells. Dex also mitigated the structural damage caused by SAP to mitochondria and endoplasmic reticulum. Dex inhibited SAP-induced 473 DEGs, as determined by RNA sequencing. Dex may regulate SAP-induced inflammatory response and tissue damage by inhibiting the toll-like receptor/nuclear factor κB (TLR/NF-κB) signaling pathway and neutrophil extracellular trap formation. Conclusion: This study elucidated the remarkable effect of Dex against SAP and investigated the potential mechanism of action, providing an experimental base for the future clinical application of Dex in the treatment of SAP.
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Affiliation(s)
- Jiaqi Yao
- Department of Anesthesiology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
- Laboratory of Integrative Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Bowen Lan
- Laboratory of Integrative Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
- Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Chi Ma
- Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Yan Liu
- Department of Anesthesiology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Xiaoqi Wu
- Department of Anesthesiology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
| | - Kaixuan Feng
- Department of Anesthesiology, Affiliated Xinhua Hospital of Dalian University, Dalian, China
| | - Hailong Chen
- Laboratory of Integrative Medicine, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
- Department of General Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
- College (Institute) of Integrative Medicine, Dalian Medical University, Dalian, Liaoning, China
| | - Qingping Wen
- Department of Anesthesiology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning, China
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Zhou X, Jin S, Pan J, Lin Q, Yang S, Lu Y, Qiu M, Ambe PC, Basharat Z, Zimmer V, Wang W, Hong W. Relationship between Cholesterol-Related Lipids and Severe Acute Pancreatitis: From Bench to Bedside. J Clin Med 2023; 12:jcm12051729. [PMID: 36902516 PMCID: PMC10003000 DOI: 10.3390/jcm12051729] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/29/2023] [Accepted: 02/07/2023] [Indexed: 02/24/2023] Open
Abstract
It is well known that hypercholesterolemia in the body has pro-inflammatory effects through the formation of inflammasomes and augmentation of TLR (Toll-like receptor) signaling, which gives rise to cardiovascular disease and neurodegenerative diseases. However, the interaction between cholesterol-related lipids and acute pancreatitis (AP) has not yet been summarized before. This hinders the consensus on the existence and clinical importance of cholesterol-associated AP. This review focuses on the possible interaction between AP and cholesterol-related lipids, which include total cholesterol, high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C) and apolipoprotein (Apo) A1, from the bench to the bedside. With a higher serum level of total cholesterol, LDL-C is associated with the severity of AP, while the persistent inflammation of AP is allied with a decrease in serum levels of cholesterol-related lipids. Therefore, an interaction between cholesterol-related lipids and AP is postulated. Cholesterol-related lipids should be recommended as risk factors and early predictors for measuring the severity of AP. Cholesterol-lowering drugs may play a role in the treatment and prevention of AP with hypercholesterolemia.
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Affiliation(s)
- Xiaoying Zhou
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
- School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Shengchun Jin
- School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Jingyi Pan
- School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Qingyi Lin
- School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Shaopeng Yang
- School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou 325035, China
| | - Yajing Lu
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Minhao Qiu
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Peter C. Ambe
- Department of General Surgery, Visceral Surgery and Coloproctology, Vinzenz-Pallotti-Hospital Bensberg, Vinzenz-Pallotti-Str. 20–24, 51429 Bensberg, Germany
| | - Zarrin Basharat
- Jamil-ur-Rahman Center for Genome Research, Dr. Panjwani Centre for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Vincent Zimmer
- Department of Medicine, Marienhausklinik St. Josef Kohlhof, 66539 Neunkirchen, Germany
- Department of Medicine II, Saarland University Medical Center, Saarland University, 66421 Homburg, Germany
| | - Wei Wang
- School of Mental Health, Wenzhou Medical University, Wenzhou 325035, China
| | - Wandong Hong
- Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325000, China
- Correspondence: ; Tel./Fax: +86-0577-55579122
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24
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Zhou R, Bu W, Fan Y, Du Z, Zhang J, Zhang S, Sun J, Li Z, Li J. Dynamic Changes in Serum Cytokine Profile in Rats with Severe Acute Pancreatitis. MEDICINA (KAUNAS, LITHUANIA) 2023; 59:medicina59020321. [PMID: 36837523 PMCID: PMC9961770 DOI: 10.3390/medicina59020321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 01/27/2023] [Accepted: 01/31/2023] [Indexed: 02/12/2023]
Abstract
Background and Objectives: Most published research has only investigated a single timepoint after the onset of severe acute pancreatitis (SAP), meaning that they have been unable to observe the relationship between the dynamic changes in cytokines and SAP progression. In this study, we attempted to reveal the relationship between dynamic changes in cytokine expression levels and SAP disease progression and the relationship between cytokines, using continuous large-scale cytokine detection. Materials and Methods: Seventy rats were randomly assigned to control (Con), sham operation (SO) and SAP groups. The SAP group was randomly allocated to five subgroups at 3, 6, 9, 12 and 15 h after the operation. In the SAP group, 5% sodium taurocholate was injected retrograde into the pancreatic bile duct. Animals in the SO group received a similar incision, a turning over of the pancreas. Control animals did not receive any treatment. We observed the survival, ascites fluid amount, pancreatic histopathological scores and serum amylase activity of SAP rats. We used the cytokine microarray to simultaneously detect 90 cytokines and the dynamic changes in one experiment and to analyze the correlation between cytokine expression and disease progression. Results: The mortality of SAP rats increased with an increase in time. Serum amylase activity, pancreatic histopathological scores and ascites fluid amount were time-dependent. Compared with normal rats, 69 cytokines in SAP rats were significantly changed for at least one timepoint, and 49 cytokines were significantly changed at different timepoints after SAP induction. The changes in inflammatory cytokines were significantly upregulated at 6 and 9 h and 12 h and then significantly decreased. Conclusions: The trend of cytokine expression in SAP rats was not consistent with the disease progression. The cytokine-cytokine receptor interaction and MAPK signal's dominant cytokines were always highly expressed at various time points over the course of SAP.
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Affiliation(s)
- Rui Zhou
- National & Local Joint Engineering Research Center of Biodiagnostics and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
- Department of General Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
| | - Wangjun Bu
- Department of Breast and Thyroid Surgery, The Northwest Women’s and Children’s Hospital, Xi’an 710061, China
| | - Yudan Fan
- National & Local Joint Engineering Research Center of Biodiagnostics and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
- Center for Tumor and Immunology, The Precision Medical Institute, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
| | - Ziwei Du
- National & Local Joint Engineering Research Center of Biodiagnostics and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
| | - Jian Zhang
- National & Local Joint Engineering Research Center of Biodiagnostics and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
- Department of General Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
| | - Shu Zhang
- National & Local Joint Engineering Research Center of Biodiagnostics and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
- Department of General Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
| | - Jin Sun
- National & Local Joint Engineering Research Center of Biodiagnostics and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
- Center for Tumor and Immunology, The Precision Medical Institute, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
| | - Zongfang Li
- National & Local Joint Engineering Research Center of Biodiagnostics and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
- Department of General Surgery, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
- Center for Tumor and Immunology, The Precision Medical Institute, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
- Correspondence: (Z.L.); (J.L.); Tel.: +86-029-87679700 (Z.L. & J.L.)
| | - Jun Li
- National & Local Joint Engineering Research Center of Biodiagnostics and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
- Center for Tumor and Immunology, The Precision Medical Institute, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710004, China
- Correspondence: (Z.L.); (J.L.); Tel.: +86-029-87679700 (Z.L. & J.L.)
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Venkatesh K, Glenn H, Delaney A, Andersen CR, Sasson SC. Fire in the belly: A scoping review of the immunopathological mechanisms of acute pancreatitis. Front Immunol 2023; 13:1077414. [PMID: 36713404 PMCID: PMC9874226 DOI: 10.3389/fimmu.2022.1077414] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 12/21/2022] [Indexed: 01/13/2023] Open
Abstract
Introduction Acute pancreatitis (AP) is characterised by an inflammatory response that in its most severe form can cause a systemic dysregulated immune response and progression to acute multi-organ dysfunction. The pathobiology of the disease is unclear and as a result no targeted, disease-modifying therapies exist. We performed a scoping review of data pertaining to the human immunology of AP to summarise the current field and to identify future research opportunities. Methods A scoping review of all clinical studies of AP immunology was performed across multiple databases. Studies were included if they were human studies of AP with an immunological outcome or intervention. Results 205 studies met the inclusion criteria for the review. Severe AP is characterised by significant immune dysregulation compared to the milder form of the disease. Broadly, this immune dysfunction was categorised into: innate immune responses (including profound release of damage-associated molecular patterns and heightened activity of pattern recognition receptors), cytokine profile dysregulation (particularly IL-1, 6, 10 and TNF-α), lymphocyte abnormalities, paradoxical immunosuppression (including HLA-DR suppression and increased co-inhibitory molecule expression), and failure of the intestinal barrier function. Studies including interventions were also included. Several limitations in the existing literature have been identified; consolidation and consistency across studies is required if progress is to be made in our understanding of this disease. Conclusions AP, particularly the more severe spectrum of the disease, is characterised by a multifaceted immune response that drives tissue injury and contributes to the associated morbidity and mortality. Significant work is required to develop our understanding of the immunopathology of this disease if disease-modifying therapies are to be established.
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Affiliation(s)
- Karthik Venkatesh
- Malcolm Fisher Department of Intensive Care, Royal North Shore Hospital, St Leonards, NSW, Australia,The Kirby Institute, The University of New South Wales, Kensington, NSW, Australia,*Correspondence: Karthik Venkatesh,
| | - Hannah Glenn
- Malcolm Fisher Department of Intensive Care, Royal North Shore Hospital, St Leonards, NSW, Australia
| | - Anthony Delaney
- Malcolm Fisher Department of Intensive Care, Royal North Shore Hospital, St Leonards, NSW, Australia,Division of Critical Care, The George Institute for Global Health, Newtown, NSW, Australia
| | - Christopher R. Andersen
- Malcolm Fisher Department of Intensive Care, Royal North Shore Hospital, St Leonards, NSW, Australia,The Kirby Institute, The University of New South Wales, Kensington, NSW, Australia,Division of Critical Care, The George Institute for Global Health, Newtown, NSW, Australia
| | - Sarah C. Sasson
- The Kirby Institute, The University of New South Wales, Kensington, NSW, Australia,Institute of Clinical Pathology and Medical Research, Westmead Hospital, Westmead, NSW, Australia
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Li S, Li H, Zhangdi H, Xu R, Zhang X, Liu J, Hu Y, Ning D, Jin S. Hair follicle-MSC-derived small extracellular vesicles as a novel remedy for acute pancreatitis. J Control Release 2022; 352:1104-1115. [PMID: 36402231 DOI: 10.1016/j.jconrel.2022.11.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 11/09/2022] [Accepted: 11/15/2022] [Indexed: 11/21/2022]
Abstract
BACKGROUND Hair follicle-derived mesenchymal stem cell (HF-MSC)-based therapies protect against acute pancreatitis (AP). However, accumulating evidence suggests that MSC-based therapy mainly involves the secretion of MSC-derived small extracellular vesicles (MSC-sEVs) through paracrine effects. Thus, the present research investigated the therapeutic effect of HF-MSC-sEVs in AP and the underlying mechanisms. METHODS SEVs were purified from cultured HF-MSC supernatant. The effects of sEVs in vitro were analyzed on caerulein-simulated pancreatic acinar cells (PACs). The therapeutic potential of sEVs in vivo was examined in a caerulein-induced AP model. The organ distribution of sEVs in mice was determined by near-infrared fluorescence (NIRF) imaging. Serum specimens and pancreatic tissues were collected to analyze the inhibition of inflammation and pyroptosis in vivo, as well as the appropriate infusion route: intraperitoneal (i.p.) or intravenous (i.v.) injection. RESULTS HF-MSC-sEVs were taken up by PACs and improved cell viability in vitro. In vivo, sEVs were abundant in the pancreas, and the indicators of pancreatitis, including amylase, lipase, the inflammatory response, myeloperoxidase (MPO) expression and histopathology scores, in sEV-treated mice were markedly improved compared with those in the AP group, especially via tail vein injection. Furthermore, we revealed that sEVs observably downregulated the levels of crucial pyroptosis proteins in both PACs and AP tissue. CONCLUSIONS We innovatively demonstrated that HF-MSC-sEVs could alleviate inflammation and pyroptosis in PACs in AP, suggesting a refreshing cell-free remedy for AP.
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Affiliation(s)
- Shuang Li
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150086, PR China
| | - Huijuan Li
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150086, PR China
| | - Hanjing Zhangdi
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150086, PR China
| | - Ruiling Xu
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150086, PR China
| | - Xu Zhang
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150086, PR China
| | - Jingyang Liu
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150086, PR China
| | - Ying Hu
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150086, PR China
| | - Dandan Ning
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150086, PR China
| | - Shizhu Jin
- Department of Gastroenterology and Hepatology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150086, PR China..
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Shen Y, Yang H, Wu D, Yang H, Hong D. NLRP3 inflammasome inhibitor MCC950 can reduce the damage of pancreatic and intestinal barrier function in mice with acute pancreatitis. Acta Cir Bras 2022; 37:e370706. [PMID: 36327405 PMCID: PMC9633010 DOI: 10.1590/acb370706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/08/2022] [Accepted: 06/02/2022] [Indexed: 11/13/2022] Open
Abstract
PURPOSE Abnormal activation of NOD-like receptor protein 3 (NLRP3) inflammasome can lead to the occurrence and progression of acute pancreatitis. This study investigated the protective effect of MCC950 on pancreatitis mice. METHODS Eighteen mice were randomly divided into control group, severe acute pancreatitis (SAP) group and SAP+MCC950 group. Serum interleukin (IL)-1β, IL-6 and tumor necrosis factor-α (TNF-α) were measured by ELISA. Hematoxylin and eosin (HE) staining was used to evaluate the pathological damage. Western blotting was used to detect the expression of NLRP3 inflammasome and tight junction proteins in the small intestine and pancreas. RESULTS MCC950 could reduce the levels of IL-6 and IL-1β in SAP mice. After treatment with MCC950, the expression levels of NLRP3 inflammasome in the pancreas of SAP mice were significantly reduced and the pathological damage to the pancreas and intestine was alleviated. Compared with the control group, the expression of tight junction protein (ZO-1,occludin and claudin-4) in the intestinal mucosa of SAP mice was decreased, and the expression of claudin-4 and occludin were upregulated after MCC950 treatment. CONCLUSIONS MCC950 can inhibit NLRP3 inflammasome activation and significantly reduce the inflammatory response and delay the process of pancreatitis. It has therapeutic potential in the treatment of acute pancreatitis.
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Affiliation(s)
- Yanghui Shen
- MM. Fujian Medical University –Shengli Clinical Medical College – Department of Critical Care Medicine – Fuzhou, China
- MM. Fujian Provincial Hospital – Department of Critical Care Medicine – Fuzhou, China
| | - Huobao Yang
- MM. Fujian Medical University –Shengli Clinical Medical College – Department of Critical Care Medicine – Fuzhou, China
- MM. Fujian Provincial Hospital – Department of Critical Care Medicine – Fuzhou, China
| | - Dansen Wu
- MD. Fujian Medical University – Shengli Clinical Medical College – Department of Critical Care Medicine – Fuzhou, China
| | - Hangmei Yang
- MM. Fujian Medical University –Shengli Clinical Medical College – Department of Critical Care Medicine – Fuzhou, China
- MM. Fujian Provincial Hospital – Department of Critical Care Medicine – Fuzhou, China
| | - Donghuang Hong
- MM. Fujian Medical University –Shengli Clinical Medical College – Department of Critical Care Medicine – Fuzhou, China
- MM. Fujian Provincial Hospital – Department of Critical Care Medicine – Fuzhou, China
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Qiang R, Li Y, Dai X, Lv W. NLRP3 inflammasome in digestive diseases: From mechanism to therapy. Front Immunol 2022; 13:978190. [PMID: 36389791 PMCID: PMC9644028 DOI: 10.3389/fimmu.2022.978190] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Accepted: 10/12/2022] [Indexed: 09/05/2023] Open
Abstract
Digestive system diseases remain a formidable challenge to human health. NOD-like receptor family pyrin domain containing 3 (NLRP3) inflammasome is the most characteristic multimeric protein complex and is involved in a wide range of digestive diseases as intracellular innate immune sensors. It has emerged as a research hotspot in recent years. In this context, we provide a comprehensive review of NLRP3 inflammasome priming and activation in the pathogenesis of digestive diseases, including clinical and preclinical studies. Moreover, the scientific evidence of small-molecule chemical drugs, biologics, and phytochemicals, which acts on different steps of the NLRP3 inflammasome, is reviewed. Above all, deep interrogation of the NLRP3 inflammasome is a better insight of the pathomechanism of digestive diseases. We believe that the NLRP3 inflammasome will hold promise as a novel valuable target and research direction for treating digestive disorders.
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Affiliation(s)
- Rui Qiang
- *Correspondence: Rui Qiang, ; Yanbo Li, ; Wenliang Lv,
| | - Yanbo Li
- *Correspondence: Rui Qiang, ; Yanbo Li, ; Wenliang Lv,
| | | | - Wenliang Lv
- *Correspondence: Rui Qiang, ; Yanbo Li, ; Wenliang Lv,
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Sang W, Chen S, Lin L, Wang N, Kong X, Ye J. Antioxidant mitoquinone ameliorates EtOH-LPS induced lung injury by inhibiting mitophagy and NLRP3 inflammasome activation. Front Immunol 2022; 13:973108. [PMID: 36059543 PMCID: PMC9436256 DOI: 10.3389/fimmu.2022.973108] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Accepted: 07/29/2022] [Indexed: 12/02/2022] Open
Abstract
Chronic ethanol abuse is a systemic disorder and a risk factor for acute respiratory distress syndrome (ARDS) and chronic obstructive pulmonary disease (COPD). However, the mechanisms involved are unknown. One explanation is that ethanol produces damaging reactive oxygen species (ROS) and disturbs the balance of mitochondria within the lungs to promote a pro-injury environment. We hypothesized that targeting an antioxidant to the mitochondria would prevent oxidative damage and attenuate EtOH-LPS-induced lung injury. To test this, we investigated the effects of mitochondria-targeted ubiquinone, Mitoquinone (MitoQ) on ethanol-sensitized lung injury induced by LPS. Lung inflammation, ROS, mitochondria function, and mitophagy were assessed. We demonstrated that chronic ethanol feeding sensitized the lung to LPS-induced lung injury with significantly increased reactive oxygen species ROS level and mitochondrial injury as well as lung cellular NLRP3 inflammasome activation. These deleterious effects were attenuated by MitoQ administration in mice. The protective effects of MitoQ are associated with decreased cellular mitophagy and NLRP3 inflammasome activation in vivo and in vitro. Taken together, our results demonstrated that ethanol aggravated LPS-induced lung injury, and antioxidant MitoQ protects from EtOH-LPS-induced lung injury, probably through reducing mitophagy and protecting mitochondria, followed by NLRP3 inflammasome activation. These results will provide the prevention and treatment of ethanol intake effects with new ideas.
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Affiliation(s)
- Wenhua Sang
- School of Basic Medical Sciences, Institute of Hypoxia Research, Cixi Biomedical Institute, Wenzhou Medical University, Wenzhou, China
- School of Basic Medical Sciences, Zhejiang University, Hangzhou, China
| | - Sha Chen
- School of Basic Medical Sciences, Institute of Hypoxia Research, Cixi Biomedical Institute, Wenzhou Medical University, Wenzhou, China
| | - Lidan Lin
- School of Basic Medical Sciences, Institute of Hypoxia Research, Cixi Biomedical Institute, Wenzhou Medical University, Wenzhou, China
| | - Nan Wang
- School of Basic Medical Sciences, Institute of Hypoxia Research, Cixi Biomedical Institute, Wenzhou Medical University, Wenzhou, China
| | - Xiaoxia Kong
- School of Basic Medical Sciences, Institute of Hypoxia Research, Cixi Biomedical Institute, Wenzhou Medical University, Wenzhou, China
- *Correspondence: Xiaoxia Kong, ; Jinyan Ye,
| | - Jinyan Ye
- Department of Respiratory Medicine and Critical Care Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- *Correspondence: Xiaoxia Kong, ; Jinyan Ye,
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Al Mamun A, Suchi SA, Aziz MA, Zaeem M, Munir F, Wu Y, Xiao J. Pyroptosis in acute pancreatitis and its therapeutic regulation. Apoptosis 2022; 27:465-481. [PMID: 35687256 DOI: 10.1007/s10495-022-01729-w] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/18/2022] [Indexed: 12/20/2022]
Abstract
Pyroptosis defines a new type of GSDMs-mediated programmed cell death, distinguishes from the classical concepts of apoptosis and necrosis-mediated cell death and is prescribed by cell swelling and membrane denaturation, leading to the extensive secretion of cellular components and low-grade inflammatory response. However, NLRP3 inflammasome activation can trigger its downstream inflammatory cytokines, leading to the activation of pyroptosis-regulated cell death. Current studies reveal that activation of caspase-4/5/11-driven non-canonical inflammasome signaling pathways facilitates the pathogenesis and progression of acute pancreatitis (AP). In addition, a large number of studies have reported that NLRP3 inflammasome-dependent pyroptosis is a crucial player in driving the course of the pathogenesis of AP. Excessive uncontrolled GSDMD-mediated pyroptosis has been implicated in AP. Therefore, the pyroptosis-related molecule GSDMD may be an independent prognostic biomarker for AP. The present review paper summarizes the molecular mechanisms of pyroptotic signaling pathways and their pathophysiological impacts on the progress of AP. Moreover, we briefly present some experimental compounds targeting pyroptosis-regulated cell death for exploring novel therapeutic directions for the treatment and management of AP. Our review investigations strongly suggest that targeting pyroptosis could be an ideal therapeutic approach in AP.
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Affiliation(s)
- Abdullah Al Mamun
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China
| | - Suzia Aktar Suchi
- Department of Pharmacy, College of Pharmacy, Chosun University, Gwangju, 501759, South Korea
| | - Md Abdul Aziz
- Department of Pharmacy, Faculty of Pharmacy and Health Sciences, State University of Bangladesh, Dhaka, 1205, Bangladesh.,Laboratory of Pharmacogenomics and Molecular Biology, Department of Pharmacy, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh
| | - Muhammad Zaeem
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China
| | - Fahad Munir
- Department of Hepatobiliary Surgery, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang Province, Wenzhou, 325000, China
| | - Yanqing Wu
- Institute of Life Sciences, Wenzhou University, Zhejiang Province, Wenzhou, 325035, China
| | - Jian Xiao
- Molecular Pharmacology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China. .,Department of Hand Surgery and Peripheral Neurosurgery, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang Province, Wenzhou, 325035, China.
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Fawzy HA, Mohammed AA, Fawzy HM, Fikry EM. Reorienting of pramipexole as a promising therapy for acute pancreatitis in a rat model by suppressing TLR-4\NF-κB p65\NLRP3 inflammasome signaling. Can J Physiol Pharmacol 2022; 100:542-552. [PMID: 35413206 DOI: 10.1139/cjpp-2021-0664] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
OBJECTIVE Acute pancreatitis (AP), a disorder of global importance, has a growing incidence and prevalence, particularly in the western world. Its complications include pseudo-cysts and chronic pancreatitis. Pramipexole (PMX), a D2/3 receptor selecting agonist used in Parkinsonism, has reported anti-inflammatory effects lately. PURPOSE Exploring the potential curative role of PMX in an l-arginine-induced acute pancreatitis rat model besides a possible mechanistic pathway. METHODS Rats were divided randomly into three groups: control, l-arginine, and "l-arginine + PMX". 7 days after AP induction, rats decapitated and estimated for serum amylase, lipase, glucose, pancreatic inflammatory mediators "toll-like receptor-4, nuclear factor- kappa B p65 ,serum tumor necrosis factor-α, NLRP3 inflammasome, caspase-1, interleukin-1 beta, oxidative biomarkers "malondialdehyde, myeloperoxidase, nitrite/nitrate, reduced glutathione, and the apoptotic marker "caspase-3", with pancreatic histopathological changes. RESULTS L-arginine mediated AP proved by elevated serum lipase and amylase, pancreatic inflammatory, oxidative and apoptotic markers with infiltration of inflammatory cells using hematoxylin and eosin stain. PMX improved all these adverse signs of AP greatly. CONCLUSION PMX might be considered as an innovative therapy for AP due to its remarkable antioxidant, anti-apoptotic, and anti-inflammatory effects, which are attributed to the suppression of the NLRP3 inflammasome and its downstream inflammatory cytokines.
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Affiliation(s)
| | - Asmaa A Mohammed
- Al-Azhar University, 68820, Department of Pharmacology and Toxicology, Cairo, Egypt;
| | - Hala M Fawzy
- NODCAR, 204596, Department of Pharmacology, Giza, Egypt;
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Blood Urea Nitrogen as a Prognostic Marker in Severe Acute Pancreatitis. DISEASE MARKERS 2022; 2022:7785497. [PMID: 35392494 PMCID: PMC8983180 DOI: 10.1155/2022/7785497] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Accepted: 03/10/2022] [Indexed: 12/12/2022]
Abstract
Objectives To explore independent risk factors with good and early predictive power for SAP severity and prognosis. Methods Patients with SAP were enrolled at Central South University Xiangya Hospital between April 2017 and May 2021 and used as the training cohort. From June 2021 to February 2022, all patients with SAP were defined as external patients for validation. Patients were grouped by survival status at a 30-day posthospital admission and then compared in terms of basic information and laboratory tests to screen the independent risk factors. Results A total of 249 patients with SAP were enrolled in the training cohort. The all-cause mortality rate at a 30-day postadmission was 25.8% (51/198). Blood urea nitrogen (BUN) levels were significantly higher in the mortality group (20.45 [interquartile range (IQR), 19.7] mmol/L) than in the survival group (6.685 [IQR, 6.3] mmol/L; P < 0.001). After propensity score matching (PSM), the BUN level was still higher in the mortality group than in the survival group (18.415 [IQR, 19.555] mmol/L vs. 10.63 [IQR, 6.03] mmol/L; P = 0.005). The area under the curve (AUC) of the receiver operating characteristic curve (ROC) of BUN was 0.820 (95% confidence interval, 0.721–0.870; P < 0.001). The optimal BUN level cut-off for predicting a 30-day all-cause mortality was 10.745 mmol/L. Moreover, patients with SAP were grouped according to BUN levels and stratified according to optimal cut-off value. Patients with high BNU levels were associated with significantly higher rates of invasive mechanical ventilation (before PSM: 61.8% vs. 20.6%, P < 0.001; after PSM: 71.1% vs. 32%, P = 0.048) and a 30-day all-cause mortality (before PSM: 44.9% vs. 6.9%, P < 0.001; after PSM: 60% vs. 34.5%, P = 0.032) than those with low BNU levels before or after PSM. The effectiveness of BUN as a prognostic marker was further validated using ROC curves for the external validation set (n = 49). The AUC of BUN was 0.803 (95% CI, 0.655–0.950; P = 0.011). It showed a good ability to predict a 30-day all-cause mortality in patients with SAP. We also observed similar results regarding disease severity, including the Acute Physiology and Chronic Health Evaluation II score (before PSM: 16 [IQR, 8] vs. 8 [IQR, 6], P < 0.001; after PSM: 18 [IQR, 10] vs. 12 [IQR, 7], P < 0.001), SOFA score (before PSM: 7 [IQR, 5] vs. 3 [IQR, 3], P < 0.001; after PSM: 8 [IQR, 5] vs. 5 [IQR, 3.5], P < 0.001), and mMarshall score (before PSM: 4 [IQR, 3] vs. 3 [IQR, 1], P < 0.001; after PSM: 5 [IQR, 2.5] vs. 3 [IQR, 1], P < 0.001). There was significant increase in intensive care unit occupancy in the high BUN level group before PSM (93.3% vs. 73.1%, P < 0.001), but not after PSM (97.8% vs. 86.2%, P = 0.074). Conclusions Our results showed that BUN levels within 24 h after hospital admission were independent risk factors for a 30-day all-cause death in patients with SAP.
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Mohamed MZ, Mohammed HH, Khalaf HM. Therapeutic effect of rupatadine against l-arginine-induced acute pancreatitis in rats: role of inflammation. Can J Physiol Pharmacol 2022; 100:176-183. [PMID: 35050802 DOI: 10.1139/cjpp-2021-0330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Acute pancreatitis (AP) is an abrupt inflammatory disorder causing high morbidity and mortality. As AP is an insidious medical emergency, a curative modality is required instead of a preventive measure. Thus, we investigated the possible curative effect of rupatadine on a rat model of AP. Rupatadine is a potent histamine receptor 1 (H1R) and platelet-activating factor (PAF) blocker. We used four groups of six Wistar rats as follows: the control group received vehicle; the rupatadine control group received rupatadine as 6 mg/kg orally; the AP group received l-arginine intraperitoneally, and the treatment group received rupatadine at 1, 6, and 24 h after l-arginine injection. The levels of serum amylase, pancreatic oxidative parameters, and pancreatic cytokines were measured. PAF, histamine, and myeloperoxidase levels were determined in the pancreas. Histopathological and immunohistochemical examinations were performed to determine nuclear factor kappa-B (NF-κB) and caspase 3 expressions. Oxidative damage and severe inflammation were detected in the pancreas of the AP group. Rupatadine reduced the oxidative damage and the levels of proinflammatory cytokines, PAF, histamine, myeloperoxidase, NF-κB, and caspase 3 expressions. It restored the pancreatic acini to almost normal condition. Rupatadine induced important anti-inflammatory and antiapoptotic effects against l-arginine-induced AP.
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Affiliation(s)
- Mervat Z Mohamed
- Department of Pharmacology, Faculty of Medicine, Minia University, 61511 Minia, Egypt
| | - Hanaa H Mohammed
- Department of Histology, Faculty of Medicine, Minia University, 61511 Minia, Egypt
| | - Hanaa M Khalaf
- Department of Pharmacology, Faculty of Medicine, Minia University, 61511 Minia, Egypt
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Gao L, Chong E, Pendharkar S, Hong J, Windsor JA, Ke L, Li W, Phillips A. The Effects of NLRP3 Inflammasome Inhibition in Experimental Acute Pancreatitis: A Systematic Review and Meta-Analysis. Pancreas 2022; 51:13-24. [PMID: 35195590 DOI: 10.1097/mpa.0000000000001971] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
ABSTRACT Acute pancreatitis (AP) is an inflammatory disease, and NLRP3 inflammasome activation is involved in the pathogenesis of AP. Previous research showed that inhibition of NLRP3 inflammasome may exert protective effects on animal models of AP and reduces disease severity. The aim of this systematic review and meta-analysis is to evaluate the effects of drug treatment of NLRP3 inflammasome on the outcomes of experimental AP. PubMed, Embase, Medline, and Web of Science databases were searched for relevant articles without language restrictions. The main outcomes for this study included local pancreatic injury, the incidence of systemic inflammatory responses, and the incidence of organ failure. Twenty-eight animal studies including 556 animals with AP were included in the meta-analysis. Compared with controls, inhibition of NLRP3 inflammasome significantly reduced the pancreatic histopathological scores, serum amylase, and lipase levels. In addition, inhibition of NLRP3 inflammasome reduced the levels of circulating inflammatory cytokines, as well as mitigating severity of AP-associated acute lung injury and acute intestinal injury. To conclude, inhibition of NLRP3 inflammasome has protective effects on AP by mitigating organ injury and systemic inflammation in animal studies, indicating that NLRP3 inflammasome holds promise as a target for specific AP therapy.
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Affiliation(s)
| | - Eric Chong
- Surgical and Translational Research Centre, Faculty of Medical and Health Sciences, School of Medicine, University of Auckland, Auckland, New Zealand
| | - Sayali Pendharkar
- Surgical and Translational Research Centre, Faculty of Medical and Health Sciences, School of Medicine, University of Auckland, Auckland, New Zealand
| | | | | | - Lu Ke
- From the Center of Severe Acute Pancreatitis, Department of Critical Care Medicine, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
| | - Weiqin Li
- From the Center of Severe Acute Pancreatitis, Department of Critical Care Medicine, Jinling Hospital, Medical School of Nanjing University, Nanjing, Jiangsu, China
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Bharmal SH, Kimita W, Ko J, Petrov MS. Cytokine signature for predicting new-onset prediabetes after acute pancreatitis: A prospective longitudinal cohort study. Cytokine 2021; 150:155768. [PMID: 34823207 DOI: 10.1016/j.cyto.2021.155768] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 10/26/2021] [Accepted: 11/03/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND/PURPOSE Acute inflammation of the pancreas often leads to metabolic sequelae, the most common of which is new-onset prediabetes (and, ultimately, diabetes). However, there is a lack of studies on predictors of this sequela. The aim was to investigate whether cytokines/chemokines measured at baseline are predictive of new-onset prediabetes after acute pancreatitis (NOPAP). METHODS This was a prospective longitudinal cohort study (as part of the LACERTA project) that included 68 individuals with non-necrotising acute pancreatitis who had no diabetes mellitus. Of them, 17 individuals had prediabetes at baseline and during follow-up, 37 individuals had normoglycaemia at baseline and during follow-up, and 14 individuals had normoglycaemia at baseline and developed NOPAP during follow-up. A commercially available human cytokine/chemokine multiplex kit was used to measure a total of 28 analytes at baseline. Multinomial regression analyses were conducted to investigate the associations between the cytokines/chemokines and the three study groups. RESULTS Interleukin-1β and interferon γ significantly predicted progression to NOPAP with an odds ratio (95% confidence interval) of 1.097 (1.002, 1.201) and 1.094 (1.003, 1.192), respectively (after accounting for age, sex, body mass index, and aetiology of acute pancreatitis). None of the studied cytokines/chemokines showed statistically significant associations with the antecedent prediabetes group (after accounting for the above covariates). CONCLUSION Elevated levels of interleukin-1β and interferon γ in acute pancreatitis individuals with normoglycaemia at baseline may predict progression to NOPAP during follow-up.
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Affiliation(s)
| | - Wandia Kimita
- School of Medicine, University of Auckland, New Zealand
| | - Juyeon Ko
- School of Medicine, University of Auckland, New Zealand
| | - Maxim S Petrov
- School of Medicine, University of Auckland, New Zealand.
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Fujisawa K, Shimo M, Taguchi YH, Ikematsu S, Miyata R. PCA-based unsupervised feature extraction for gene expression analysis of COVID-19 patients. Sci Rep 2021; 11:17351. [PMID: 34456333 PMCID: PMC8403676 DOI: 10.1038/s41598-021-95698-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Accepted: 07/23/2021] [Indexed: 01/08/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) is raging worldwide. This potentially fatal infectious disease is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, the complete mechanism of COVID-19 is not well understood. Therefore, we analyzed gene expression profiles of COVID-19 patients to identify disease-related genes through an innovative machine learning method that enables a data-driven strategy for gene selection from a data set with a small number of samples and many candidates. Principal-component-analysis-based unsupervised feature extraction (PCAUFE) was applied to the RNA expression profiles of 16 COVID-19 patients and 18 healthy control subjects. The results identified 123 genes as critical for COVID-19 progression from 60,683 candidate probes, including immune-related genes. The 123 genes were enriched in binding sites for transcription factors NFKB1 and RELA, which are involved in various biological phenomena such as immune response and cell survival: the primary mediator of canonical nuclear factor-kappa B (NF-κB) activity is the heterodimer RelA-p50. The genes were also enriched in histone modification H3K36me3, and they largely overlapped the target genes of NFKB1 and RELA. We found that the overlapping genes were downregulated in COVID-19 patients. These results suggest that canonical NF-κB activity was suppressed by H3K36me3 in COVID-19 patient blood.
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Affiliation(s)
- Kota Fujisawa
- School of Life Science and Technology, Tokyo Institute of Technology, Tokyo, 152-8550, Japan.
| | - Mamoru Shimo
- Graduate School of Engineering and Science, University of the Ryukyus, Okinawa, 903-0213, Japan
| | - Y-H Taguchi
- Department of Physics, Chuo University, Tokyo, 112-8551, Japan
| | - Shinya Ikematsu
- Department of Bioresources Engineering, National Institute of Technology, OkinawaCollege, Okinawa, 905-2192, Japan
| | - Ryota Miyata
- Faculty of Engineering, University of the Ryukyus, Okinawa, 903-0213, Japan.
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Li CX, Cui LH, Zhang LQ, Yang L, Zhuo YZ, Cui NQ, Zhang SK. Role of NLR family pyrin domain-containing 3 inflammasome in the activation of pancreatic stellate cells. Exp Cell Res 2021; 404:112634. [PMID: 34004193 DOI: 10.1016/j.yexcr.2021.112634] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 04/28/2021] [Accepted: 04/30/2021] [Indexed: 12/21/2022]
Abstract
NLRP3 inflammasome activation plays an important role in the development of pancreatic fibrosis. However, it is unclear whether the activation of the NLRP3 inflammasome is directly involved in the activation of Pancreatic stellate cells (PSCs). The aim of this study was to investigate the role and mechanism of the NLRP3 inflammasome in the activation of PSCs. In vivo, a rat model of chronic pancreatitis (CP) was induced by intravenous injection of dibutyltin dichloride (DBTC). In vitro, rat primary PSCs were isolated from pancreatic tissues and incubated with the NLRP3 inflammasome activator LPS, the NLRP3 inhibitor MCC950, or NLRP3 siRNA. The results showed that the expression of NLRP3, pro-Caspase-1, Caspase-1 and IL-18 was increased in the rat model of CP and during PSCs activation. LPS increased the protein levels of NLRP3, ASC, Caspase-1, IL-1β and IL-18 accompanied by the upregulation of α-SMA, Col I and FN expression. Moreover, MCC950 or NLPR3 siRNA decreased the expression of α-SMA, Col I, FN, TGF-β1 and p-Smad3. Furthermore, MCC950 reversed the LPS-induced upregulation of α-SMA, FN and Col Ⅰ expression in PSCs. This study revealed that the NLRP3 inflammasome is directly involved in the activation of PSCs in vivo and in vitro. Inhibiting NLRP3 suppresses the activation of PSCs through the TGF-β1/Smad3 pathway.
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Affiliation(s)
- Cai-Xia Li
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Institute of Acute Abdominal Diseases of Integrated Traditional Chinese and Western Medicine, Tianjin Nankai Hospital, Nankai Clinical College, Tianjin Medical University, Tianjin, 300100, China
| | - Li-Hua Cui
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Institute of Acute Abdominal Diseases of Integrated Traditional Chinese and Western Medicine, Tianjin Nankai Hospital, Nankai Clinical College, Tianjin Medical University, Tianjin, 300100, China
| | - Lan-Qiu Zhang
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Institute of Acute Abdominal Diseases of Integrated Traditional Chinese and Western Medicine, Tianjin Nankai Hospital, Nankai Clinical College, Tianjin Medical University, Tianjin, 300100, China
| | - Lei Yang
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Institute of Acute Abdominal Diseases of Integrated Traditional Chinese and Western Medicine, Tianjin Nankai Hospital, Nankai Clinical College, Tianjin Medical University, Tianjin, 300100, China
| | - Yu-Zhen Zhuo
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Institute of Acute Abdominal Diseases of Integrated Traditional Chinese and Western Medicine, Tianjin Nankai Hospital, Nankai Clinical College, Tianjin Medical University, Tianjin, 300100, China
| | - Nai-Qiang Cui
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Institute of Acute Abdominal Diseases of Integrated Traditional Chinese and Western Medicine, Tianjin Nankai Hospital, Nankai Clinical College, Tianjin Medical University, Tianjin, 300100, China; Hepatobiliary and Pancreatic Surgery, Tianjin Nankai Hospital, Tianjin, 300100, China
| | - Shu-Kun Zhang
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Institute of Acute Abdominal Diseases of Integrated Traditional Chinese and Western Medicine, Tianjin Nankai Hospital, Nankai Clinical College, Tianjin Medical University, Tianjin, 300100, China.
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Lu C, Guo X, Wang P, Qiu T, Zhan L. Study on the inhibitory effect of ulinastatin on caspase-1-dependent pyroptosis in acinar cells of acute pancreatitis. EUR J INFLAMM 2021. [DOI: 10.1177/20587392211050827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Objectives Pyroptosis, a special kind of cell death, is generally believed to aggravate the inflammatory response. It has been found that the acinar cell pyroptosis exits in the course of pancreatitis. Ulinastatin has the function of inhibiting the release of inflammatory mediators, thereby reducing the inflammatory reaction, which suggests that ulinastatin has potential inhibitory effect on pyroptosis. The aim of this study is to investigate the effect of ulinastatin on caspase-1-dependent acinar cell pyroptosis in acute pancreatitis. Methods Acute pancreatitis model was established by intraperitoneal injection of L-arginine. Rats in ulinastatin group were injected with ulinastatin intravenously after successful modeling. The pancreatic tissues of rats were subjected to pathological examination and detection of cleaved-caspase-1, GSDMD-N, IL-1β, and IL-18. Serum samples were also collected for measurement of IL-1β, IL-18, amylase, and lipase. Results Slight pathological damage of pancreas was observed in the pancreatitis and the ulinastatin group. Compared with the blank control group ( p < .05), the protein levels of cleaved-caspase-1, GSDMD-N, IL-1β, and IL-18 were significantly increased in pancreatitis group but decreased in ulinastatin group ( p < .05). The positive reaction of caspase-1 in pancreatitis group was significantly higher than that in the blank control group ( p < .05). After administration of ulinastatin, the positive reaction of caspase-1 was significantly lower than that in pancreatitis group ( p < .05). As for the levels of serum IL-1β and IL-18, they were significantly higher in pancreatitis group than those in the blank control group ( p < .05). Administration of ulinastatin significantly decreased the serum levels of IL-1β and IL-18 ( p < .05). And the serum amylase and lipase levels elevated in pancreatitis group, while significantly inhibited by ulinastatin ( p < .05). Conclusions The results showed that the onset of acute pancreatitis was accompanied by obvious acinar cell pyroptosis. Ulinastatin could inhibit caspase-1-dependent acinar cell pyroptosis in acute pancreatitis.
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Affiliation(s)
- Chengxiang Lu
- Departments of Intensive Care Unit, Zhongshan Hospital Xiamen University, Xiamen, China
| | - Xueling Guo
- Departments of Intensive Care Unit, Zhongshan Hospital Xiamen University, Xiamen, China
| | - Pingping Wang
- Departments of Intensive Care Unit, Zhongshan Hospital Xiamen University, Xiamen, China
| | - Ting Qiu
- Departments of Neurology, Zhongshan Hospital Xiamen University, Xiamen, China
| | - Linghui Zhan
- Departments of Intensive Care Unit, Zhongshan Hospital Xiamen University, Xiamen, China
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Zhang G, Tang L, Liu H, Liu D, Wang M, Cai J, Liu W, Nie W, Zhang Y, Yu X. Psidium guajava Flavonoids Prevent NLRP3 Inflammasome Activation and Alleviate the Pancreatic Fibrosis in a Chronic Pancreatitis Mouse Model. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2021; 49:2001-2015. [PMID: 34961420 DOI: 10.1142/s0192415x21500944] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Chronic pancreatitis (CP) is a multifactorial, inflammatory syndrome characterized by acinar atrophy and fibrosis. Activation of NOD-like receptors family pyrin domain-containing 3 (NLRP3) inflammasome is a central mediator of multiple chronic inflammatory responses and chronic fibrosis including pancreatic fibrosis in CP. The Psidium guajavaleaf is widely used in traditional medicine for the treatment of chronic inflammation, but the anti-inflammatory effect of Psidium guajavaleaf on CP has not yet been revealed. In this study, we investigated whether the extract of total flavonoids from Psidium guajava leaves (TFPGL) plays a therapeutic mechanism on CP through NLRP3 inflammasome signaling pathway in a mouse CP model. The H&E and acid-Sirius red staining indicted that TFPGL attenuated the inflammatory cell infiltration and fibrosis significantly. The results of immunohistological staining, western blot and RT-qPCR showed that the expressions of NLRP3 and caspase-1 were significantly increased in the CP model group, while TFPGL significantly decreased the NLRP3 and caspase-1 expression at both the gene and protein levels. Moreover, ELISA assay was used to examine the levels of NLRP3 inflammasome target genes, such as caspase-1, IL-1[Formula: see text] and IL-18. We found that TFPGL treatment decreased the expression of caspase-1, IL-1[Formula: see text] and IL-18, which is critical for the NLRP3 inflammasome signaling pathway and inflammation response significantly. These results demonstrated that TFPGL attenuated pancreatic inflammation and fibrosis via preventing NLRP3 inflammasome activation and TFPGL can be used as a potential therapeutic agent for CP.
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Affiliation(s)
- Guixian Zhang
- Department of Cancer Pharmacology, Tianjin Institute of Medical & Pharmaceutical Sciences, Tianjin Medicine and Health Research Center, Tianjin 300020, P. R. China
| | - Liming Tang
- Department of Traditional Chinese Medicine, Tianjin Santan Hospital, Tianjin 300020, P. R. China
| | - Hongbin Liu
- Department of Cancer Pharmacology, Tianjin Institute of Medical & Pharmaceutical Sciences, Tianjin Medicine and Health Research Center, Tianjin 300020, P. R. China
| | - Dawei Liu
- Department of Cancer Pharmacology, Tianjin Institute of Medical & Pharmaceutical Sciences, Tianjin Medicine and Health Research Center, Tianjin 300020, P. R. China
| | - Manxue Wang
- Department of Cancer Pharmacology, Tianjin Institute of Medical & Pharmaceutical Sciences, Tianjin Medicine and Health Research Center, Tianjin 300020, P. R. China
| | - Jun Cai
- Department of Cancer Pharmacology, Tianjin Institute of Medical & Pharmaceutical Sciences, Tianjin Medicine and Health Research Center, Tianjin 300020, P. R. China
| | - Weijun Liu
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin NanKai Hospital, Tianjin 300100, P. R. China
| | - Wei Nie
- Department of Cancer Pharmacology, Tianjin Institute of Medical & Pharmaceutical Sciences, Tianjin Medicine and Health Research Center, Tianjin 300020, P. R. China
| | - Yi Zhang
- Tianjin Key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Tianjin NanKai Hospital, Tianjin 300100, P. R. China
| | - Xiaomeng Yu
- Department of Cancer Pharmacology, Tianjin Institute of Medical & Pharmaceutical Sciences, Tianjin Medicine and Health Research Center, Tianjin 300020, P. R. China
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Wagatsuma K, Nakase H. Contradictory Effects of NLRP3 Inflammasome Regulatory Mechanisms in Colitis. Int J Mol Sci 2020; 21:ijms21218145. [PMID: 33143375 PMCID: PMC7662299 DOI: 10.3390/ijms21218145] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/28/2020] [Accepted: 10/29/2020] [Indexed: 02/08/2023] Open
Abstract
The inflammasome is an intracellular molecular complex, which is mainly involved in innate immunity. Inflammasomes are formed in response to danger signals, associated with infection and injury, and mainly regulate the secretion of interleukin-1β and interleukin-18. Inflammasome dysregulation is known to be associated with various diseases and conditions, and its regulatory mechanisms have become of great interest in recent years. In the colon, inflammasomes have been reported to be associated with autophagy and the microbiota, and their dysregulation contributes to colitis and. However, the detailed role of inflammasomes in inflammatory bowel disease is still under debate because the mechanisms that regulate the inflammasome are complex and the inflammasome components and cytokines show seemingly contradictory multiple effects. Herein, we comprehensively review the literature on inflammasome functioning in the colon and describe the complex interactions of the NOD-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome components with inflammatory cytokines, autophagy, and the microbiota in experimental colitis models and patients with inflammatory bowel disease.
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