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Pham DV, Shrestha P, Nguyen TK, Park J, Pandit M, Chang JH, Kim SY, Choi DY, Han SS, Choi I, Park GH, Jeong JH, Park PH. Modulation of NLRP3 inflammasomes activation contributes to improved survival and function of mesenchymal stromal cell spheroids. Mol Ther 2023; 31:890-908. [PMID: 36566348 PMCID: PMC10014231 DOI: 10.1016/j.ymthe.2022.12.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 11/23/2022] [Accepted: 12/20/2022] [Indexed: 12/25/2022] Open
Abstract
Mesenchymal stem cells (MSCs) are ubiquitous multipotent cells that exhibit significant therapeutic potentials in a variety of disorders. Nevertheless, their clinical efficacy is limited owing to poor survival, low rate of engraftment, and impaired potency upon transplantation. Spheroidal three-dimensional (3D) culture of MSCs (MSC3D) has been proven to better preserve their in vivo functional properties. However, the molecular mechanisms underlying the improvement in MSC function by spheroid formation are not clearly understood. NLRP3 inflammasomes, a key component of the innate immune system, have recently been shown to play a role in cell fate decision of MSCs. The present study examined the role of NLRP3 inflammasomes in the survival and potency of MSC spheroids. We found that MSC3D led to decreased activation of NLRP3 inflammasomes through alleviation of ER stress in an autophagy-dependent manner. Importantly, downregulation of NLRP3 inflammasomes signaling critically contributes to the enhanced survival rate in MSC3D through modulation of pyroptosis and apoptosis. The critical role of NLRP3 inflammasome suppression in the enhanced therapeutic efficacy of MSC spheroids was further confirmed in an in vivo mouse model of DSS-induced colitis. These findings suggest that 3D culture confers survival and functional advantages to MSCs by suppressing NLRP3 inflammasome activation.
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Affiliation(s)
- Duc-Vinh Pham
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea; Department of Pharmacology, Hanoi University of Pharmacy, Hanoi, Viet Nam
| | - Prakash Shrestha
- Department of Precision Medicine, School of Medicine, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Thi-Kem Nguyen
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Junhyeung Park
- Department of Precision Medicine, School of Medicine, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Mahesh Pandit
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Jae-Hoon Chang
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Soo Young Kim
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Dong-Young Choi
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Sung Soo Han
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Republic of Korea; School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Inho Choi
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Republic of Korea; Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Gyu Hwan Park
- College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Jee-Heon Jeong
- Department of Precision Medicine, School of Medicine, Sungkyunkwan University, Suwon 16419, Republic of Korea.
| | - Pil-Hoon Park
- College of Pharmacy, Yeungnam University, Gyeongsan 38541, Republic of Korea; Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Republic of Korea.
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Kaur H, Sarmah D, Veeresh P, Datta A, Kalia K, Borah A, Yavagal DR, Bhattacharya P. Endovascular Stem Cell Therapy Post Stroke Rescues Neurons from Endoplasmic Reticulum Stress-Induced Apoptosis by Modulating Brain-Derived Neurotrophic Factor/Tropomyosin Receptor Kinase B Signaling. ACS Chem Neurosci 2021; 12:3745-3759. [PMID: 34553602 DOI: 10.1021/acschemneuro.1c00506] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Ischemic stroke is devastating, with serious long-term disabilities affecting millions of people worldwide. Growing evidence has shown that mesenchymal stem cells (MSCs) administration after stroke provides neuroprotection and enhances the quality of life in stroke patients. Previous studies from our lab have shown that 1 × 105 MSCs administered intra-arterially (IA) at 6 h post stroke provide neuroprotection through the modulation of inflammasome and calcineurin signaling. Ischemic stroke induces endoplasmic reticulum (ER) stress, which exacerbates the pathology. The current study intends to understand the involvement of brain-derived neurotrophic factor/tropomyosin receptor kinase B (BDNF/TrkB) signaling in preventing apoptosis induced by ER stress post stroke following IA MSCs administration. Ischemic stroke was induced in ovariectomized female Sprague Dawley rats. The MSCs were administered IA, and animals were sacrificed at 24 h post stroke. Infarct area, neurological deficit score, motor coordination, and biochemical parameters were evaluated. The expression of various genes and proteins was assessed. An inhibition study was also carried out to confirm the involvement of BDNF/TrkB signaling in ER stress-induced apoptosis. IA-administered MSCs improved functional outcomes, reduced infarct area, increased neuronal survival, and normalized biochemical parameters. mRNA and protein expression of ER stress markers were reduced, while those of BDNF and TrkB were increased. Reduction in ER stress-mediated apoptosis was also observed. The present study shows that IA MSCs administration post stroke provides neuroprotection and can modulate ER stress-mediated apoptosis via the BDNF/TrkB signaling pathway.
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Affiliation(s)
- Harpreet Kaur
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat 382007, India
| | - Deepaneeta Sarmah
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat 382007, India
| | - Pabbala Veeresh
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat 382007, India
| | - Aishika Datta
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat 382007, India
| | - Kiran Kalia
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat 382007, India
| | - Anupom Borah
- Cellular and Molecular Neurobiology Laboratory, Department of Life Science and Bioinformatics, Assam University, Silchar 788011, Assam, India
| | - Dileep R. Yavagal
- Department of Neurology and Neurosurgery, University of Miami Miller School of Medicine, Miami, Florida 33136, United States
| | - Pallab Bhattacharya
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Ahmedabad, Gandhinagar, Gujarat 382007, India
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Pan XJ, Misrani A, Tabassum S, Yang L. Mitophagy pathways and Alzheimer's disease: From pathogenesis to treatment. Mitochondrion 2021; 59:37-47. [PMID: 33872797 DOI: 10.1016/j.mito.2021.04.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 04/08/2021] [Accepted: 04/13/2021] [Indexed: 12/24/2022]
Abstract
Alzheimer's disease (AD) is an age-dependent, incurable mental illness that is associated with the accumulation of aggregates of amyloid-beta (Aβ) and hyperphosphorylated tau fragments (p-tau). Detailed studies on postmortem AD brains, cell lines, and mouse models of AD have shown that numerous cellular alterations, including mitochondrial deficits, synaptic disruption and glial/astrocytic activation, are involved in the disease process. Mitophagy is a cellular process by which damaged/weakened mitochondria are selectively eliminated from the cell. In AD, impairments in mitophagy trigger the gradual accumulation of defective mitochondria. This review will focus on the recent progress in understanding the molecular mechanisms and pathological role of mitophagy and its implications for AD pathogenesis. We will also discuss the novel concept of the regulation of mitophagy as a therapeutic avenue for the prevention and treatment of AD.
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Affiliation(s)
- Xian-Ji Pan
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou University, Guangzhou 510006, China
| | - Afzal Misrani
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou University, Guangzhou 510006, China
| | - Sidra Tabassum
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou University, Guangzhou 510006, China
| | - Li Yang
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou University, Guangzhou 510006, China.
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Qin B, Zhang Q, Chen D, Yu HY, Luo AX, Suo LP, Cai Y, Cai DY, Luo J, Huang JF, Xiong K. Extracellular vesicles derived from mesenchymal stem cells: A platform that can be engineered. Histol Histopathol 2021; 36:615-632. [PMID: 33398872 DOI: 10.14670/hh-18-297] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Mesenchymal stem cells play an important role in tissue damage and repair. This role is mainly due to a paracrine mechanism, and extracellular vesicles (EVs) are an important part of the paracrine function. EVs play a vital role in many aspects of cell homeostasis, physiology, and pathology, and EVs can be used as clinical biomarkers, vaccines, or drug delivery vehicles. A large number of studies have shown that EVs derived from mesenchymal stem cells (MSC-EVs) play an important role in the treatment of various diseases. However, the problems of low production, low retention rate, and poor targeting of MSC-EVs are obstacles to current clinical applications. The engineering transformation of MSC-EVs can make up for those shortcomings, thereby improving treatment efficiency. This review summarizes the latest research progress of MSC-EV direct and indirect engineering transformation from the aspects of improving MSC-EV retention rate, yield, targeting, and MSC-EV visualization research, and proposes some feasible MSC-EV engineering methods of transformation.
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Affiliation(s)
- Bo Qin
- Hubei Polytechnic University School of Medicine, Huangshi, Hubei, China
| | - Qi Zhang
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Dan Chen
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Hai-Yang Yu
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Ai-Xiang Luo
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Liang-Peng Suo
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Yan Cai
- Department of Histology and Embryology, Xiangya School of Medicine, Central South University, Changsha, Hunan, China
| | - De-Yang Cai
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Jia Luo
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan, China
| | - Ju-Fang Huang
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Ophthalmology, Changsha, Hunan, China.
| | - Kun Xiong
- Department of Neurobiology and Human Anatomy, School of Basic Medical Science, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Ophthalmology, Changsha, Hunan, China.
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Hu YD, Tang CL, Jiang JZ, Lv HY, Wu YB, Qin XD, Shi S, Zhao B, Zhu XN, Xia ZY. Neuroprotective Effects of Dexmedetomidine Preconditioning on Oxygen-glucose Deprivation-reoxygenation Injury in PC12 Cells via Regulation of Ca 2+-STIM1/Orai1 Signaling. Curr Med Sci 2020; 40:699-707. [PMID: 32862381 DOI: 10.1007/s11596-020-2201-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2020] [Accepted: 06/30/2020] [Indexed: 12/26/2022]
Abstract
Dexmedetomidine (DEX), a potent and highly selective agonist for α2-adrenergic receptors (α2AR), exerts neuroprotective effects by reducing apoptosis through decreased neuronal Ca2+ influx. However, the exact action mechanism of DEX and its effects on oxygen-glucose deprivation-reoxygenation (OGD/R) injury in vitro are unknown. We demonstrate that DEX pretreatment reduced OGD/R injury in PC12 cells, as evidenced by decreased oxidative stress, autophagy, and neuronal apoptosis. Specifically, DEX pretreatment decreased the expression levels of stromal interaction molecule 1 (STIM1) and calcium release-activated calcium channel protein 1 (Orai1), and reduced the concentration of intracellular calcium pools. In addition, variations in cytosolic calcium concentration altered apoptosis rate of PC12 cells after exposure to hypoxic conditions, which were modulated through STIM1/Orai1 signaling. Moreover, DEX pretreatment decreased the expression levels of Beclin-1 and microtubule-associated protein 1A/1B-light chain 3 (LC3), hallmark markers of autophagy, and the formation of autophagosomes. In conclusion, these results suggested that DEX exerts neuroprotective effects against oxidative stress, autophagy, and neuronal apoptosis after OGD/R injury via modulation of Ca2+-STIM1/Orai1 signaling. Our results offer insights into the molecular mechanisms of DEX in protecting against neuronal ischemia-reperfusion injury.
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Affiliation(s)
- Yi-da Hu
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Chao-Liang Tang
- Department of Anesthesiology, the First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Jia-Zhen Jiang
- Department of Emergency, Huashan Hospital North, Fudan University, Shanghai, 201907, China
| | - Hai-Yan Lv
- Department of Neurology, Shanghai General Hospital, Shanghai Jiao Tong University, Shanghai, 201620, China
| | - Yuan-Bo Wu
- Department of Neurology, the First Affiliated Hospital of University of Science and Technology of China, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, China
| | - Xiu-de Qin
- Department of Neurology, Shenzhen Traditional Chinese Medicine Hospital, the Fourth Clinical Medical College of Guangzhou University of Chinese Medicine, Shenzhen, 518033, China
| | - Si Shi
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Bo Zhao
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Xiao-Nan Zhu
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan, 430060, China
| | - Zhong-Yuan Xia
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, 430060, China.
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Goyal U, Ta M. A novel role of vitronectin in promoting survival of mesenchymal stem cells under serum deprivation stress. Stem Cell Res Ther 2020; 11:181. [PMID: 32429996 PMCID: PMC7238575 DOI: 10.1186/s13287-020-01682-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 03/30/2020] [Accepted: 04/17/2020] [Indexed: 12/11/2022] Open
Abstract
Background Due to their immunomodulatory and trophic support functions, mesenchymal stem cells (MSCs) are promising in the field of cell-based regenerative medicine. However, MSC survival post-transplantation is challenged by various microenvironment stress factors. Here, we investigated the role of vitronectin (VTN) in the survival strategy of MSCs under serum deprivation stress condition. Methods Proliferation kinetics and cell adhesion of MSCs under serum deprivation were determined from population doublings and cell-matrix de-adhesion studies, respectively. mRNA and protein expression levels of VTN were confirmed by qRT-PCR and Western blotting, respectively. Immunofluorescence technique revealed distribution of VTN under serum deprivation stress. siRNA and inhibitor-based studies were performed to confirm the role and regulation of VTN. Apoptosis and cell cycle status of MSCs were assessed using flow cytometric analysis. Results Subjecting MSCs to serum deprivation led to significant increase in cell spread area and cell-matrix adhesion. An upregulation of VTN expression was noted with an arrest in G0/G1 phase of cell cycle and no appreciable apoptotic change. Pro-survival PI3kinase pathway inhibition led to further increase in VTN expression with no apoptotic change. siRNA-mediated inhibition of VTN resulted in reversal in G0/G1 cell cycle arrest and a marked increase in apoptosis, suggesting a role of VTN in preventing serum deprivation-induced apoptotic cell death. In addition, p65 knockdown resulted in downregulation of VTN establishing an association between NF-κβ pathway and VTN. Conclusions VTN was identified as a survival factor in providing protection from serum deprivation-induced apoptosis in MSCs.
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Affiliation(s)
- Umesh Goyal
- Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur Campus, Nadia, West Bengal, 741246, India
| | - Malancha Ta
- Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur Campus, Nadia, West Bengal, 741246, India.
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