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Ma H, Wang C, Liang S, Yu X, Yuan Y, Lv Z, Zhang J, Jin C, Zhu J, Wang C, Sun P, Li W. ROCK inhibition enhanced hepatocyte liver engraftment by retaining membrane CD59 and attenuating complement activation. Mol Ther 2023; 31:1846-1856. [PMID: 36860134 PMCID: PMC10277888 DOI: 10.1016/j.ymthe.2023.02.018] [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: 08/16/2022] [Revised: 01/19/2023] [Accepted: 02/23/2023] [Indexed: 03/03/2023] Open
Abstract
Hepatocyte transplantation can be an effective treatment for patients with certain liver-based metabolic disorders and liver injuries. Hepatocytes are usually infused into the portal vein, from which hepatocytes migrate into the liver and integrate into the liver parenchyma. However, early cell loss and poor liver engraftment represent major hurdles to sustaining the recovery of diseased livers after transplantation. In the present study, we found that ROCK (Rho-associated kinase) inhibitors significantly enhanced in vivo hepatocyte engraftment. Mechanistic studies suggested that the isolation of hepatocytes caused substantial degradation of cell membrane proteins, including the complement inhibitor CD59, probably due to shear stress-induced endocytosis. ROCK inhibition by ripasudil, a clinically used ROCK inhibitor, can protect transplanted hepatocytes by retaining cell membrane CD59 and blocking the formation of the membrane attack complex. Knockdown of CD59 in hepatocytes eliminates ROCK inhibition-enhanced hepatocyte engraftment. Ripasudil can accelerate liver repopulation of fumarylacetoacetate hydrolase-deficient mice. Our work reveals a mechanism underlying hepatocyte loss after transplantation and provides immediate strategies to enhance hepatocyte engraftment by inhibiting ROCK.
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Affiliation(s)
- Haoxin Ma
- Department of Cell Biology, Naval Medical University, Shanghai 200433, China
| | - Chao Wang
- Department of Cell Biology, Naval Medical University, Shanghai 200433, China
| | - Shulong Liang
- Department of Cell Biology, Naval Medical University, Shanghai 200433, China
| | - Xinlu Yu
- Department of Cell Biology, Naval Medical University, Shanghai 200433, China
| | - Yuan Yuan
- Department of Cell Biology, Naval Medical University, Shanghai 200433, China
| | - Zhuanman Lv
- Department of Cell Biology, Naval Medical University, Shanghai 200433, China
| | - Jiqianzhu Zhang
- Department of Health Toxicology, Naval Medical University, Shanghai 200433, China
| | - Caixia Jin
- Department of Regenerative Medicine, College of Medicine, Tongji University, Shanghai 200433, China
| | - Jiangbo Zhu
- Department of Health Toxicology, Naval Medical University, Shanghai 200433, China
| | - Chao Wang
- Department of Cell Biology, Naval Medical University, Shanghai 200433, China
| | - Pingxin Sun
- Department of Cell Biology, Naval Medical University, Shanghai 200433, China
| | - Wenlin Li
- Department of Cell Biology, Naval Medical University, Shanghai 200433, China
- Shanghai Key Laboratory of Cell Engineering, Naval Medical University, Shanghai 200433, China
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Jaber FL, Sharma Y, Gupta S. Hepatocyte Transplantation Rebalances Cytokines for Hepatic Regeneration in Rats with Ataxia Telangiectasia Mutated Pathway-Related Acute Liver Failure. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:27-38. [PMID: 36309105 PMCID: PMC9768683 DOI: 10.1016/j.ajpath.2022.10.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 09/08/2022] [Accepted: 10/04/2022] [Indexed: 11/11/2022]
Abstract
Inadequate DNA damage response related to ataxia telangiectasia mutated gene restricts hepatic regeneration in acute liver failure. Resolving mechanistic gaps in liver damage and repair requires additional animal models that are unconstrained by ultrarapid and unpredictable mortalities or substantial divergences from human pathology. This study used Fischer 344 rats primed with the antitubercular drug, rifampicin, plus phenobarbitone, and monocrotaline, a DNA adduct-forming alkaloid. Rifampicin and monocrotaline can cause liver failure in people. This regimen resulted in hepatic oxidative stress, necrosis, DNA double-strand breaks, liver test abnormalities, altered serum cytokine expression, and mortality. Healthy donor hepatocytes were transplanted ectopically in the peritoneal cavity to study whether they could supply metabolic support and rebalance inflammatory or protective cytokines affecting liver regeneration events. Hepatocyte transplantation increased candidate cytokine levels (granulocyte colony-stimulating factor, granulocyte-macrophage colony-stimulating factor, interferon-γ, IL-10, and IL-12), leading to Atm, Stat3, and Akt signaling in hepatocytes and nonparenchymal cells, lowering of inflammation, and improvements in intermediary metabolism, DNA repair, and hepatocyte proliferation. Such control of DNA damage and inflammation, along with stimulation of hepatic growth, offers paradigms for cell signaling to restore hepatic homeostasis and regeneration in acute liver failure. Further studies of molecular pathways of high pathobiological impact will advance the knowledge of liver regeneration.
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Affiliation(s)
- Fadi-Luc Jaber
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York
| | - Yogeshwar Sharma
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York
| | - Sanjeev Gupta
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York; Department of Pathology, Albert Einstein College of Medicine, Bronx, New York; Diabetes Center, Albert Einstein College of Medicine, Bronx, New York; Fleischer Institute for Diabetes and Metabolism, Albert Einstein College of Medicine, Bronx, New York; Irwin S. and Sylvia Chanin Institute for Cancer Research, Albert Einstein College of Medicine, Bronx, New York; Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, New York.
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3
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Viswanathan P, Sharma Y, Jaber FL, Tchaikovskaya T, Gupta S. Transplanted hepatocytes rescue mice in acetaminophen-induced acute liver failure through paracrine signals for hepatic ATM and STAT3 pathways. FASEB J 2021; 35:e21471. [PMID: 33683737 DOI: 10.1096/fj.202002421r] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 01/27/2021] [Accepted: 02/08/2021] [Indexed: 12/29/2022]
Abstract
Acute liver failure constitutes a devastating condition that needs novel cell and molecular therapies. To elicit synergisms in cell types of therapeutic interest, we studied hepatocytes and liver sinusoidal endothelial in mice with acetaminophen-induced acute liver failure. The context of regenerative signals was examined by transplants in peritoneal cavity because it possesses considerable capacity and allows soluble signals to enter the systemic circulation. Whereas transplanted hepatocytes and liver sinusoidal endothelial cells engrafted in peritoneal cavity, only the former could rescue mice in liver failure by improving injury outcomes, activating hepatic DNA damage repair, and inducing liver regeneration. The cytokines secreted by donor hepatocytes or liver sinusoidal endothelial cells differed and in hepatocytes from mice undergoing acetaminophen toxicity major cytokines were even rendered deficient (eg, G-CSF, VEGF, and others). Significantly, recapitulating hepatotoxicity-related DNA damage response in cultured cells identified impairments in ATM and JAK/STAT3 intersections since replacing cytokines produced less from injured hepatocytes restored these pathways to avoid acetaminophen hepatotoxicity. Similarly, hepatocyte transplantation in acute liver failure restored ATM and JAK/STAT3 pathways to advance DNA damage/repair and liver regeneration. The unexpected identification of novel hepatic G-CSF receptor expression following injury allowed paradigmatic studies of G-CSF supplementation to confirm the centrality of this paracrine ATM and STAT3 intersection. Remarkably, DNA damage/repair and hepatic regeneration directed by G-CSF concerned rebalancing of regulatory gene networks overseeing inflammation, metabolism, and cell viability. We conclude that healthy donor hepatocytes offer templates for generating specialized cell types to replace metabolic functions and regenerative factors in liver failure.
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Affiliation(s)
- Preeti Viswanathan
- Division of Pediatric Gastroenterology, Department of Pediatrics, Children's Hospital at Montefiore, Albert Einstein College of Medicine, Bronx, NY, USA.,Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Yogeshwar Sharma
- Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY, USA.,Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Fadi-Luc Jaber
- Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY, USA.,Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Tatyana Tchaikovskaya
- Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY, USA.,Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Sanjeev Gupta
- Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, NY, USA.,Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA.,Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, USA.,Diabetes Center, Albert Einstein College of Medicine, Bronx, NY, USA.,Fleischer Institute for Diabetes and Metabolism, Albert Einstein College of Medicine, Bronx, NY, USA.,Irwin S. and Sylvia Chanin Institute for Cancer Research, Albert Einstein College of Medicine, Bronx, NY, USA.,Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, NY, USA
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Zheng F, Zhu J, Zhang W, Fu Y, Lin Z. Thal protects against paraquat-induced lung injury through a microRNA-141/HDAC6/IκBα-NF-κB axis in rat and cell models. Basic Clin Pharmacol Toxicol 2021; 128:334-347. [PMID: 33015978 PMCID: PMC7894280 DOI: 10.1111/bcpt.13505] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 09/18/2020] [Accepted: 09/25/2020] [Indexed: 12/16/2022]
Abstract
The protective functions of thalidomide in paraquat (PQ)-induced injury have been reported. But the mechanisms remain largely unknown. In this research, a PQ-treated rat model was established and further treated with thalidomide. Oedema and pathological changes, oxidative stress, inflammation, fibrosis and cell apoptosis in rat lungs were detected. A PQ-treated RLE-6TN cell model was constructed, and the viability and apoptosis rate of cells were measured. Differentially expressed microRNAs (miRNAs) after thalidomide administration were screened out. Binding relationship between miR-141 and histone deacetylase 6 (HDAC6) was validated. Altered expression of miR-141 and HDAC6 was introduced to identify their involvements in thalidomide-mediated events. Consequently, thalidomide administration alone exerted no damage to rat lungs; in addition it reduced PQ-induced oedema. The oxidative stress, inflammation and cell apoptosis in rat lungs were reduced by thalidomide. In RLE-6TN cells, thalidomide increased cell viability and decreased apoptosis. miR-141 was responsible for thalidomide-mediated protective events by targeting HDAC6. Overexpression of HDAC6 blocked the protection of thalidomide against PQ-induced injury via activating the IkBα-NF-κB signalling pathway. Collectively, this study evidenced that thalidomide protects lung tissues from PQ-induced injury through a miR-141/HDAC6/IkBα-NF-κB axis.
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Affiliation(s)
- Fenshuang Zheng
- Department of Emergency MedicineSecond People's Hospital of Yunnan ProvinceKunmingChina
| | - Junbo Zhu
- Department of Emergency MedicineSecond People's Hospital of Yunnan ProvinceKunmingChina
| | - Wei Zhang
- Department of Emergency MedicineSecond People's Hospital of Yunnan ProvinceKunmingChina
| | - Yangshan Fu
- Department of Emergency MedicineSecond People's Hospital of Yunnan ProvinceKunmingChina
| | - Zhaoheng Lin
- Department of Critical Care MedicinePeople's Hospital of Xishuangbanna Dai Nationality Autonomous PrefecturePingpongChina
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Jaber FL, Sharma Y, Mui BG, Kapoor S, Gupta S. Tumor Necrosis Factor Directs Allograft-Related Innate Responses and Its Neutralization Improves Hepatocyte Engraftment in Rats. THE AMERICAN JOURNAL OF PATHOLOGY 2021; 191:79-89. [PMID: 33127336 PMCID: PMC7768347 DOI: 10.1016/j.ajpath.2020.09.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2020] [Revised: 09/09/2020] [Accepted: 09/30/2020] [Indexed: 12/12/2022]
Abstract
The innate immune system plays a critical role in allograft rejection. Alloresponses involve numerous cytokines, chemokines, and receptors that cause tissue injury during rejection. To dissect these inflammatory mechanisms, we developed cell transplantation models in dipeptidylpeptidase-deficient F344 rats using mycophenolate mofetil and tacrolimus for partial lymphocyte-directed immunosuppression. Syngeneic hepatocytes engrafted in liver, whereas allogeneic hepatocytes were rejected but engrafted after immunosuppression. These transplants induced mRNAs for >40 to 50 cytokines, chemokines, and receptors. In allografts, innate cell type-related regulatory networks extended to granulocytes, monocytes, and macrophages. Activation of Tnfa and its receptors or major chemokine receptor-ligand subsets persisted in the long term. An examination of the contribution of Tnfa in allograft response revealed that it was prospectively antagonized by etanercept or thalidomide, which resolved cytokine, chemokine, and receptor cascades. In bioinformatics analysis of upstream regulator networks, the Cxcl8 pathway exhibited dominance despite immunosuppression. Significantly, Tnfa antagonism silenced the Cxcl8 pathway and decreased neutrophil and Kupffer cell recruitment, resulting in multifold greater engraftment of allogeneic hepatocytes and substantially increased liver repopulation in retrorsine/partial hepatectomy model. We conclude that Tnfa is a major driver for persistent innate immune responses after allogeneic cells. Neutralizing Tnfa should help in avoiding rejection and associated tissue injury in the allograft setting.
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Affiliation(s)
- Fadi Luc Jaber
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York
| | - Yogeshwar Sharma
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York
| | - Brandon G Mui
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York
| | - Sorabh Kapoor
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York
| | - Sanjeev Gupta
- Department of Medicine, Albert Einstein College of Medicine, Bronx, New York; Marion Bessin Liver Research Center, Albert Einstein College of Medicine, Bronx, New York; Department of Pathology, Albert Einstein College of Medicine, Bronx, New York; Diabetes Center, Albert Einstein College of Medicine, Bronx, New York; Fleischer Institute for Diabetes and Metabolism, Albert Einstein College of Medicine, Bronx, New York; Irwin S. and Sylvia Chanin Institute for Cancer Research, Albert Einstein College of Medicine, Bronx, New York; Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, New York.
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6
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Repair of acute liver damage with immune evasive hESC derived hepato-blasts. Stem Cell Res 2020; 49:102010. [PMID: 33011360 DOI: 10.1016/j.scr.2020.102010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Revised: 08/23/2020] [Accepted: 09/21/2020] [Indexed: 01/20/2023] Open
Abstract
Human embryonic stem cells (hESCs) can undergo unlimited self-renewal and differentiate into hepatic cells, including expandable hepato-blasts (HBs) and hepatocyte-like cells (HLCs) in vitro. Therefore, hESC-derived HBs have the potential to become a renewable cell source for cell therapy of serious liver damage. However, one of the key challenges for such cell therapy is the allogeneic immune rejection of hESC-derived HBs. To overcome this challenge, we developed a strategy to protect the hESC-derived HBs from allogeneic immune rejection by ectopically expressing immune suppressive molecules CTLA4-Ig and PD-L1, denoted CP HBs. Like HBs derived from normal hESCs, CP HBs are capable of repairing liver damage in animal models. Using humanized mice (Hu-mice) reconstituted with human immune system, we showed that CP HBs are protected from allogeneic immune system and can survive long-term in Hu-mice. These data support the feasibility to develop CP HBs into a cell therapy to treat serious liver damage.
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7
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Yadav N, Jaber FL, Sharma Y, Gupta P, Viswanathan P, Gupta S. Efficient Reconstitution of Hepatic Microvasculature by Endothelin Receptor Antagonism in Liver Sinusoidal Endothelial Cells. Hum Gene Ther 2018; 30:365-377. [PMID: 30266073 DOI: 10.1089/hum.2018.166] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Reconstitution of healthy endothelial cells in vascular beds offers opportunities for mechanisms in tissue homeostasis, organ regeneration, and correction of deficient functions. Liver sinusoidal endothelial cells express unique functions, and their transplantation is relevant for disease models and for cell therapy. As molecular targets for improving transplanted cell engraftment and proliferation will be highly significant, this study determined whether ETA/B receptor antagonism by the drug bosentan could overcome cell losses due to cell transplantation-induced cytotoxicity. Cell engraftment and proliferation assays were performed with healthy wild-type liver sinusoidal endothelial cells transplanted into the liver of dipeptidylpeptidase IV knockout mice. Transplanted cells were identified in tissues by enzyme histochemistry. Cells with prospective ETA/B antagonism engrafted significantly better in hepatic sinusoids. Moreover, these cells underwent multiple rounds of division under liver repopulation conditions. The gains of ETA/B antagonism resulted from benefits in cell viability and membrane integrity. Also, in bosentan-treated cells, mitochondrial homeostasis was better maintained with less oxidative stress and DNA damage after injuries. Intracellular effects of ETA/B antagonism were transduced by conservation of ataxia telangiectasia mutated protein, which directs DNA damage response. Therefore, ETA/B antagonism in donor cells will advance vascular reconstitution. Extensive experience with ETA/B antagonists will facilitate translation in people.
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Affiliation(s)
- Neelam Yadav
- 1 Department of Medicine, Albert Einstein College of Medicine, Bronx, New York.,2 Department of Biochemistry, Dr. RML Avadh University, Faizabad, India
| | - Fadi Luc Jaber
- 1 Department of Medicine, Albert Einstein College of Medicine, Bronx, New York
| | - Yogeshwar Sharma
- 1 Department of Medicine, Albert Einstein College of Medicine, Bronx, New York
| | - Priya Gupta
- 1 Department of Medicine, Albert Einstein College of Medicine, Bronx, New York
| | - Preeti Viswanathan
- 3 Department of Pediatrics, Albert Einstein College of Medicine and Children's Hospital at Montefiore, Bronx, New York
| | - Sanjeev Gupta
- 1 Department of Medicine, Albert Einstein College of Medicine, Bronx, New York.,4 Department of Pathology, Albert Einstein College of Medicine, Bronx, New York.,5 Marion Bessin Liver Research Center, Diabetes Center, Irwin S. and Sylvia Chanin Institute for Cancer Research, and Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, New York
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Sharma Y, Liu J, Kristian KE, Follenzi A, Gupta S. In Atp7b-/- Mice Modeling Wilson's Disease Liver Repopulation With Bone Marrow-Derived Myofibroblasts or Inflammatory Cells and Not Hepatocytes Is Deleterious. Gene Expr 2018; 19:15-24. [PMID: 30029699 PMCID: PMC6290324 DOI: 10.3727/105221618x15320123457380] [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] [Indexed: 11/24/2022]
Abstract
In Wilson's disease, Atp7b mutations impair copper excretion with liver or brain damage. Healthy transplanted hepatocytes repopulate the liver, excrete copper, and reverse hepatic damage in animal models of Wilson's disease. In Fah-/- mice with tyrosinemia and α-1 antitrypsin mutant mice, liver disease is resolved by expansions of healthy hepatocytes derived from transplanted healthy bone marrow stem cells. This potential of stem cells has not been defined for Wilson's disease. In diseased Atp7b-/- mice, we reconstituted bone marrow with donor cells expressing green fluorescent protein reporter from healthy transgenic mice. Mature hepatocytes originating from donor bone marrow were identified by immunostaining for green fluorescence protein and bile canalicular marker, dipeptidylpeptidase-4. Mesenchymal and inflammatory cell markers were used for other cells from donor bone marrow cells. Gene expression, liver tests, and tissues were analyzed for outcomes in Atp7b-/- mice. After bone marrow transplantation in Atp7b-/- mice, donor-derived hepatocytes containing bile canaliculi appeared within weeks. Despite this maturity, donor-derived hepatocytes neither divided nor expanded. The liver of Atp7b-/- mice was not repopulated by donor-derived hepatocytes: Atp7b mRNA remained undetectable; liver tests, copper content, and fibrosis actually worsened. Restriction of proliferation in hepatocytes accompanied oxidative DNA damage. By contrast, donor-derived mesenchymal and inflammatory cells extensively proliferated. These contributed to fibrogenesis through greater expression of inflammatory cytokines. In Wilson's disease, donor bone marrow-derived cells underwent different fates: hepatocytes failed to proliferate; inflammatory cells proliferated to worsen disease outcomes. This will help guide stem cell therapies for conditions with proinflammatory or profibrogenic microenvironments.
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Affiliation(s)
- Yogeshwar Sharma
- *Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Jinghua Liu
- †Department of Obstetrics and Gynecology, Shanghai Public Health Clinical Center, Shanghai, P.R. China
| | | | - Antonia Follenzi
- §Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, USA
- ¶Department of Health Sciences, Università del Piemonte Orientale “A. Avogadro”, Novara, Italy
| | - Sanjeev Gupta
- *Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
- §Department of Pathology, Albert Einstein College of Medicine, Bronx, NY, USA
- #Marion Bessin Liver Research Center, Diabetes Center, Cancer Center, and Ruth L. and David S. Gottesman Institute for Stem Cell and Regenerative Medicine Research, Albert Einstein College of Medicine, Bronx, NY, USA
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