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Huang C, Jiang H, Dong J, Jiang L, Li J, Xu J, Cui T, Wang L, Li X, Feng G, Zhang Y, Li T, Li W, Zhou Q. Functional mouse hepatocytes derived from interspecies chimeric livers effectively mitigate chronic liver fibrosis. Stem Cell Reports 2024; 19:877-889. [PMID: 38729156 DOI: 10.1016/j.stemcr.2024.04.006] [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: 03/18/2024] [Revised: 04/14/2024] [Accepted: 04/15/2024] [Indexed: 05/12/2024] Open
Abstract
Liver disease is a major global health challenge. There is a shortage of liver donors worldwide, and hepatocyte transplantation (HT) may be an effective treatment to overcome this problem. However, the present approaches for generation of hepatocytes are associated with challenges, and interspecies chimera-derived hepatocytes produced by interspecies blastocyst complementation (IBC) may be promising donor hepatocytes because of their more comprehensive hepatic functions. In this study, we isolated mouse hepatocytes from mouse-rat chimeric livers using IBC and found that interspecies chimera-derived hepatocytes exhibited mature hepatic functions in terms of lipid accumulation, glycogen storage, and urea synthesis. Meanwhile, they were more similar to endogenous hepatocytes than hepatocytes derived in vitro. Interspecies chimera-derived hepatocytes could relieve chronic liver fibrosis and reside in the injured liver after transplantation. Our results suggest that interspecies chimera-derived hepatocytes are a potentially reliable source of hepatocytes and can be applied as a therapeutic approach for HT.
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Affiliation(s)
- Cheng Huang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory of Organ Regeneration and Reconstruction, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Haiping Jiang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory of Organ Regeneration and Reconstruction, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jingxi Dong
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory of Organ Regeneration and Reconstruction, Chinese Academy of Sciences, Beijing 100101, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
| | - Liyuan Jiang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jie Li
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory of Organ Regeneration and Reconstruction, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jing Xu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory of Organ Regeneration and Reconstruction, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Tongtong Cui
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory of Organ Regeneration and Reconstruction, Chinese Academy of Sciences, Beijing 100101, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
| | - Leyun Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
| | - Xin Li
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory of Organ Regeneration and Reconstruction, Chinese Academy of Sciences, Beijing 100101, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
| | - Guihai Feng
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory of Organ Regeneration and Reconstruction, Chinese Academy of Sciences, Beijing 100101, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
| | - Ying Zhang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory of Organ Regeneration and Reconstruction, Chinese Academy of Sciences, Beijing 100101, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China
| | - Tianda Li
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory of Organ Regeneration and Reconstruction, Chinese Academy of Sciences, Beijing 100101, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China.
| | - Wei Li
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory of Organ Regeneration and Reconstruction, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China.
| | - Qi Zhou
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; Key Laboratory of Organ Regeneration and Reconstruction, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing 100101, China.
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2
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Aleman J, Ravikumar K, Wiegand C, Schurdak ME, Vernetti L, Gavlock D, Reese C, DeBiasio R, LaRocca G, Angarita YD, Gough A, Soto-Gutierrez A, Behari J, Yechoor V, Miedel MT, Stern AM, Banerjee I, Taylor DL. A metabolic-dysfunction associated steatotic liver acinus biomimetic induces pancreatic islet dysfunction in a coupled microphysiology system. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.22.590598. [PMID: 38712135 PMCID: PMC11071380 DOI: 10.1101/2024.04.22.590598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Preclinical and clinical studies suggest that lipid-induced hepatic insulin resistance is a primary defect that predisposes to dysfunction in pancreatic islets, implicating a perturbed liver-pancreas axis underlying the comorbidity of T2DM and MASLD. To investigate this hypothesis, we developed a human biomimetic microphysiological system (MPS) coupling our vascularized liver acinus MPS (vLAMPS) with primary islets on a chip (PANIS) enabling MASLD progression and islet dysfunction to be quantitatively assessed. The modular design of this system (vLAMPS-PANIS) allows intra-organ and inter-organ dysregulation to be deconvoluted. When compared to normal fasting (NF) conditions, under early metabolic syndrome (EMS) conditions, the standalone vLAMPS exhibited characteristics of early stage MASLD, while no significant differences were observed in the standalone PANIS. In contrast, with EMS, the coupled vLAMPS-PANIS exhibited a perturbed islet-specific secretome and a significantly dysregulated glucose stimulated insulin secretion (GSIS) response implicating direct signaling from the dysregulated liver acinus to the islets. Correlations between several pairs of a vLAMPS-derived and a PANIS-derived secreted factors were significantly altered under EMS, as compared to NF conditions, mechanistically connecting MASLD and T2DM associated hepatic factors with islet-derived GLP-1 synthesis and regulation. Since vLAMPS-PANIS is compatible with patient-specific iPSCs, this platform represents an important step towards addressing patient heterogeneity, identifying complex disease mechanisms, and advancing precision medicine.
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Kardia E, Fakhri O, Pavy M, Mason H, Huang N, Smertina E, Jenckel M, Peng NYG, Estes MK, Strive T, Frese M, Smith I, Hall RN. Hepatobiliary organoids derived from leporids support the replication of hepatotropic lagoviruses. J Gen Virol 2023; 104. [PMID: 37584657 DOI: 10.1099/jgv.0.001874] [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: 08/17/2023] Open
Abstract
The genus Lagovirus of the family Caliciviridae contains some of the most virulent vertebrate viruses known. Lagoviruses infect leporids, such as rabbits, hares and cottontails. Highly pathogenic viruses such as Rabbit haemorrhagic disease virus 1 (RHDV1) cause a fulminant hepatitis that typically leads to disseminated intravascular coagulation within 24-72 h of infection, killing over 95 % of susceptible animals. Research into the pathophysiological mechanisms that are responsible for this extreme phenotype has been hampered by the lack of a reliable culture system. Here, we report on a new ex vivo model for the cultivation of lagoviruses in cells derived from the European rabbit (Oryctolagus cuniculus) and European brown hare (Lepus europaeus). We show that three different lagoviruses, RHDV1, RHDV2 and RHDVa-K5, replicate in monolayer cultures derived from rabbit hepatobiliary organoids, but not in monolayer cultures derived from cat (Felis catus) or mouse (Mus musculus) organoids. Virus multiplication was demonstrated by (i) an increase in viral RNA levels, (ii) the accumulation of dsRNA viral replication intermediates and (iii) the expression of viral structural and non-structural proteins. The establishment of an organoid culture system for lagoviruses will facilitate studies with considerable implications for the conservation of endangered leporid species in Europe and North America, and the biocontrol of overabundant rabbit populations in Australia and New Zealand.
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Affiliation(s)
- Egi Kardia
- Health and Biosecurity Commonwealth Scientific and Industrial Research Organisation, Acton, ACT 2601, Australia
| | - Omid Fakhri
- Health and Biosecurity Commonwealth Scientific and Industrial Research Organisation, Acton, ACT 2601, Australia
| | - Megan Pavy
- Health and Biosecurity Commonwealth Scientific and Industrial Research Organisation, Acton, ACT 2601, Australia
| | - Hugh Mason
- Health and Biosecurity Commonwealth Scientific and Industrial Research Organisation, Acton, ACT 2601, Australia
| | - Nina Huang
- Health and Biosecurity Commonwealth Scientific and Industrial Research Organisation, Acton, ACT 2601, Australia
| | - Elena Smertina
- Health and Biosecurity Commonwealth Scientific and Industrial Research Organisation, Acton, ACT 2601, Australia
- Faculty of Science and Technology, University of Canberra, Bruce, ACT 2617, Australia
- Centre for Invasive Species Solutions, Bruce, ACT 2617, Australia
| | - Maria Jenckel
- Health and Biosecurity Commonwealth Scientific and Industrial Research Organisation, Acton, ACT 2601, Australia
| | - Nias Y G Peng
- Health and Biosecurity Commonwealth Scientific and Industrial Research Organisation, Acton, ACT 2601, Australia
| | - Mary K Estes
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, TX 77030, USA
- Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
| | - Tanja Strive
- Health and Biosecurity Commonwealth Scientific and Industrial Research Organisation, Acton, ACT 2601, Australia
- Centre for Invasive Species Solutions, Bruce, ACT 2617, Australia
| | - Michael Frese
- Health and Biosecurity Commonwealth Scientific and Industrial Research Organisation, Acton, ACT 2601, Australia
- Faculty of Science and Technology, University of Canberra, Bruce, ACT 2617, Australia
| | - Ina Smith
- Health and Biosecurity Commonwealth Scientific and Industrial Research Organisation, Acton, ACT 2601, Australia
| | - Robyn N Hall
- Health and Biosecurity Commonwealth Scientific and Industrial Research Organisation, Acton, ACT 2601, Australia
- Centre for Invasive Species Solutions, Bruce, ACT 2617, Australia
- Present address: Ausvet, Bruce, ACT 2617, Australia
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Tran M, Askary A, Elowitz MB. Lineage motifs: developmental modules for control of cell type proportions. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.06.06.543925. [PMID: 37333085 PMCID: PMC10274800 DOI: 10.1101/2023.06.06.543925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
In multicellular organisms, cell types must be produced and maintained in appropriate proportions. One way this is achieved is through committed progenitor cells that produce specific sets of descendant cell types. However, cell fate commitment is probabilistic in most contexts, making it difficult to infer progenitor states and understand how they establish overall cell type proportions. Here, we introduce Lineage Motif Analysis (LMA), a method that recursively identifies statistically overrepresented patterns of cell fates on lineage trees as potential signatures of committed progenitor states. Applying LMA to published datasets reveals spatial and temporal organization of cell fate commitment in zebrafish and rat retina and early mouse embryo development. Comparative analysis of vertebrate species suggests that lineage motifs facilitate adaptive evolutionary variation of retinal cell type proportions. LMA thus provides insight into complex developmental processes by decomposing them into simpler underlying modules.
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Affiliation(s)
- Martin Tran
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
| | - Amjad Askary
- Department of Molecular, Cell and Developmental Biology, University of California Los Angeles, Los Angeles, CA 90095, USA
| | - Michael B. Elowitz
- Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA
- Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA
- Lead contact
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Roman G, Stavik B, Lauritzen KH, Sandset PM, Harrison SP, Sullivan GJ, Chollet ME. "iPSC-derived liver organoids and inherited bleeding disorders: Potential and future perspectives". Front Physiol 2023; 14:1094249. [PMID: 36711019 PMCID: PMC9880334 DOI: 10.3389/fphys.2023.1094249] [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: 11/09/2022] [Accepted: 01/02/2023] [Indexed: 01/15/2023] Open
Abstract
The bleeding phenotype of hereditary coagulation disorders is caused by the low or undetectable activity of the proteins involved in hemostasis, due to a broad spectrum of genetic alterations. Most of the affected coagulation factors are produced in the liver. Therefore, two-dimensional (2D) cultures of primary human hepatocytes and recombinant overexpression of the factors in non-human cell lines have been primarily used to mimic disease pathogenesis and as a model for innovative therapeutic strategies. However, neither human nor animal cells fully represent the hepatocellular biology and do not harbor the exact genetic background of the patient. As a result, the inability of the current in vitro models in recapitulating the in vivo situation has limited the studies of these inherited coagulation disorders. Induced Pluripotent Stem Cell (iPSC) technology offers a possible solution to overcome these limitations by reprogramming patient somatic cells into an embryonic-like pluripotent state, thus giving the possibility of generating an unlimited number of liver cells needed for modeling or therapeutic purposes. By combining this potential and the recent advances in the Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/Cas9 technology, it allows for the generation of autologous and gene corrected liver cells in the form of three-dimensional (3D) liver organoids. The organoids recapitulate cellular composition and organization of the liver, providing a more physiological model to study the biology of coagulation proteins and modeling hereditary coagulation disorders. This advanced methodology can pave the way for the development of cell-based therapeutic approaches to treat inherited coagulation disorders. In this review we will explore the use of liver organoids as a state-of-the-art methodology for modeling coagulation factors disorders and the possibilities of using organoid technology to treat the disease.
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Affiliation(s)
- Giacomo Roman
- Department of Hematology, Oslo University Hospital, Oslo, Norway,Research Institute of Internal Medicine, Oslo University Hospital, Oslo, Norway,Institute of Clinical Medicine, University of Oslo, Oslo, Norway,*Correspondence: Giacomo Roman, ; Maria E. Chollet,
| | - Benedicte Stavik
- Department of Hematology, Oslo University Hospital, Oslo, Norway,Research Institute of Internal Medicine, Oslo University Hospital, Oslo, Norway
| | - Knut H. Lauritzen
- Department of Hematology, Oslo University Hospital, Oslo, Norway,Research Institute of Internal Medicine, Oslo University Hospital, Oslo, Norway,Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Per Morten Sandset
- Department of Hematology, Oslo University Hospital, Oslo, Norway,Research Institute of Internal Medicine, Oslo University Hospital, Oslo, Norway,Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Sean P. Harrison
- Department of Pediatric Research, Oslo University Hospital, Oslo, Norway
| | - Gareth J. Sullivan
- Department of Pediatric Research, Oslo University Hospital, Oslo, Norway,Department of Immunology, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Maria Eugenia Chollet
- Department of Hematology, Oslo University Hospital, Oslo, Norway,Research Institute of Internal Medicine, Oslo University Hospital, Oslo, Norway,*Correspondence: Giacomo Roman, ; Maria E. Chollet,
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6
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Regulation of Normal and Neoplastic Proliferation and Metabolism by the Extended Myc Network. Cells 2022; 11:cells11243974. [PMID: 36552737 PMCID: PMC9777120 DOI: 10.3390/cells11243974] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 11/30/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022] Open
Abstract
The Myc Network, comprising a small assemblage of bHLH-ZIP transcription factors, regulates many hundreds to thousands of genes involved in proliferation, energy metabolism, translation and other activities. A structurally and functionally related set of factors known as the Mlx Network also supervises some of these same functions via the regulation of a more limited but overlapping transcriptional repertoire. Target gene co-regulation by these two Networks is the result of their sharing of three members that suppress target gene expression as well as by the ability of both Network's members to cross-bind one another's consensus DNA sites. The two Networks also differ in that the Mlx Network's control over transcription is positively regulated by several glycolytic pathway intermediates and other metabolites. These distinctive properties, functions and tissue expression patterns potentially allow for sensitive control of gene regulation in ways that are differentially responsive to environmental and metabolic cues while allowing for them to be both rapid and of limited duration. This review explores how such control might occur. It further discusses how the actual functional dependencies of the Myc and Mlx Networks rely upon cellular context and how they may differ between normal and neoplastic cells. Finally, consideration is given to how future studies may permit a more refined understanding of the functional interrelationships between the two Networks.
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Conway JW, Braden J, Wilmott JS, Scolyer RA, Long GV, Pires da Silva I. The effect of organ-specific tumor microenvironments on response patterns to immunotherapy. Front Immunol 2022; 13:1030147. [DOI: 10.3389/fimmu.2022.1030147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 11/04/2022] [Indexed: 11/18/2022] Open
Abstract
Immunotherapy, particularly immune checkpoint inhibitors, have become widely used in various settings across many different cancer types in recent years. Whilst patients are often treated on the basis of the primary cancer type and clinical stage, recent studies have highlighted disparity in response to immune checkpoint inhibitors at different sites of metastasis, and their impact on overall response and survival. Studies exploring the tumor immune microenvironment at different organ sites have provided insights into the immune-related mechanisms behind organ-specific patterns of response to immunotherapy. In this review, we aimed to highlight the key learnings from clinical studies across various cancers including melanoma, lung cancer, renal cell carcinoma, colorectal cancer, breast cancer and others, assessing the association of site of metastasis and response to immune checkpoint inhibitors. We also summarize the key clinical and pre-clinical findings from studies exploring the immune microenvironment of specific sites of metastasis. Ultimately, further characterization of the tumor immune microenvironment at different metastatic sites, and understanding the biological drivers of these differences, may identify organ-specific mechanisms of resistance, which will lead to more personalized treatment approaches for patients with innate or acquired resistance to immunotherapy.
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Yun HJ, Suh YJ, Kim YB, Kang EJ, Choi JH, Choi YK, Lee IB, Choi DH, Seo YJ, Noh JR, Choi HS, Kim YH, Lee CH. Hepatocyte DAX1 Deletion Exacerbates Inflammatory Liver Injury by Inducing the Recruitment of CD4 + and CD8 + T Cells through NF-κB p65 Signaling Pathway in Mice. Int J Mol Sci 2022; 23:ijms232214009. [PMID: 36430486 PMCID: PMC9698938 DOI: 10.3390/ijms232214009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/09/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022] Open
Abstract
Fulminant hepatitis is characterized by rapid and massive immune-mediated liver injury. Dosage-sensitive sex reversal-adrenal hypoplasia congenita critical region on the X chromosome, gene 1 (DAX1; NR0B1) represses the transcription of various genes. Here, we determine whether DAX1 serves as a regulator of inflammatory liver injury induced by concanavalin A (ConA). C57BL/6J (WT), myeloid cell-specific Dax1 knockout (MKO), and hepatocyte-specific Dax1 knockout (LKO) mice received single intravenous administration of ConA. Histopathological changes in liver and plasma alanine aminotransferase and aspartate aminotransferase levels in Dax1 MKO mice were comparable with those in WT mice following ConA administration. Unlike Dax1 MKO mice, Dax1 LKO mice were greatly susceptible to ConA-induced liver injury, which was accompanied by enhanced infiltration of immune cells, particularly CD4+ and CD8+ T cells, in the liver. Factors related to T-cell recruitment, including chemokines and adhesion molecules, significantly increased following enhanced and prolonged phosphorylation of NF-κB p65 in the liver of ConA-administered Dax1 LKO mice. This is the first study to demonstrate that hepatocyte-specific DAX1 deficiency exacerbates inflammatory liver injury via NF-κB p65 activation, thereby causing T-cell infiltration by modulating inflammatory chemokines and adhesion molecules. Our results suggest DAX1 as a therapeutic target for fulminant hepatitis treatment.
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Affiliation(s)
- Hyo-Jeong Yun
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon 34113, Korea
| | - Young-Joo Suh
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
| | - Yu-Bin Kim
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
| | - Eun-Jung Kang
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
| | - Jung Hyeon Choi
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
| | - Young-Keun Choi
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
| | - In-Bok Lee
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
| | - Dong-Hee Choi
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
| | - Yun Jeong Seo
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
| | - Jung-Ran Noh
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
| | - Hueng-Sik Choi
- School of Biological Sciences and Technology, Chonnam National University, Gwangju 61186, Korea
| | - Yong-Hoon Kim
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon 34113, Korea
- Correspondence: (Y.-H.K.); (C.-H.L.)
| | - Chul-Ho Lee
- Laboratory Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology (UST), Daejeon 34113, Korea
- Correspondence: (Y.-H.K.); (C.-H.L.)
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Warner JB, Guenthner SC, Hardesty JE, McClain CJ, Warner DR, Kirpich IA. Liver-specific drug delivery platforms: Applications for the treatment of alcohol-associated liver disease. World J Gastroenterol 2022; 28:5280-5299. [PMID: 36185629 PMCID: PMC9521517 DOI: 10.3748/wjg.v28.i36.5280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 08/16/2022] [Accepted: 09/06/2022] [Indexed: 02/06/2023] Open
Abstract
Alcohol-associated liver disease (ALD) is a common chronic liver disease and major contributor to liver disease-related deaths worldwide. Despite its pre-valence, there are few effective pharmacological options for the severe stages of this disease. While much pre-clinical research attention is paid to drug development in ALD, many of these experimental therapeutics have limitations such as poor pharmacokinetics, poor efficacy, or off-target side effects due to systemic administration. One means of addressing these limitations is through liver-targeted drug delivery, which can be accomplished with different platforms including liposomes, polymeric nanoparticles, exosomes, bacteria, and adeno-associated viruses, among others. These platforms allow drugs to target the liver passively or actively, thereby reducing systemic circulation and increasing the ‘effective dose’ in the liver. While many studies, some clinical, have applied targeted delivery systems to other liver diseases such as viral hepatitis or hepatocellular carcinoma, only few have investigated their efficacy in ALD. This review provides basic information on these liver-targeting drug delivery platforms, including their benefits and limitations, and summarizes the current research efforts to apply them to the treatment of ALD in rodent models. We also discuss gaps in knowledge in the field, which when addressed, may help to increase the efficacy of novel therapies and better translate them to humans.
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Affiliation(s)
- Jeffrey Barr Warner
- Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, University of Louisville School of Medicine, Louisville, KY 40202, United States
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40202, United States
| | - Steven Corrigan Guenthner
- Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, University of Louisville School of Medicine, Louisville, KY 40202, United States
| | - Josiah Everett Hardesty
- Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, University of Louisville School of Medicine, Louisville, KY 40202, United States
| | - Craig James McClain
- Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, University of Louisville School of Medicine, Louisville, KY 40202, United States
- Alcohol Research Center, University of Louisville School of Medicine, Louisville, KY 40202, United States
- Hepatobiology and Toxicology Center, University of Louisville School of Medicine, Louisville, KY 40202, United States
- Veterans Health Administration, Robley Rex Veterans Medical Center, Louisville, KY 40206, United States
| | - Dennis Ray Warner
- Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, University of Louisville School of Medicine, Louisville, KY 40202, United States
| | - Irina Andreyevna Kirpich
- Department of Medicine, Division of Gastroenterology, Hepatology and Nutrition, University of Louisville School of Medicine, Louisville, KY 40202, United States
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40202, United States
- Alcohol Research Center, University of Louisville School of Medicine, Louisville, KY 40202, United States
- Hepatobiology and Toxicology Center, University of Louisville School of Medicine, Louisville, KY 40202, United States
- Department of Microbiology and Immunology, University of Louisville School of Medicine, Louisville, KY 40202, United States
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Abstract
Metabolic (dysfunction) associated fatty liver disease (MAFLD), previously known as non-alcoholic fatty liver disease, is the most common cause of chronic liver disease worldwide. Many risk factors contribute to the pathogenesis of MAFLD with metabolic dysregulation being the final arbiter of its development and progression. MAFLD poses a substantial economic burden to societies, which based on current trends is expected to increase over time. Numerous studies have addressed various aspects of MAFLD from its risk associations to its economic and social burden and clinical diagnosis and management, as well as the molecular mechanisms linking MAFLD to end-stage liver disease and hepatocellular carcinoma. This review summarizes current understanding of the pathogenesis of MAFLD and related diseases, particularly liver cancer. Potential therapeutic agents for MAFLD and diagnostic biomarkers are discussed.
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Sharma L, Peng X, Qing H, Hilliard BK, Kim J, Swaminathan A, Tian J, Israni-Winger K, Zhang C, Habet V, Wang L, Gupta G, Tian X, Ma Y, Shin HJ, Kim SH, Kang MJ, Ishibe S, Young LH, Kotenko S, Compton S, Wilen CB, Wang A, Dela Cruz CS. Distinct Roles of Type I and Type III Interferons during a Native Murine β Coronavirus Lung Infection. J Virol 2022; 96:e0124121. [PMID: 34705554 PMCID: PMC8791255 DOI: 10.1128/jvi.01241-21] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 10/21/2021] [Indexed: 12/15/2022] Open
Abstract
Coronaviruses are a major health care threat to humankind. Currently, the host factors that contribute to limit disease severity in healthy young patients are not well defined. Interferons are key antiviral molecules, especially type I and type III interferons. The role of these interferons during coronavirus disease is a subject of debate. Here, using mice that are deficient in type I (IFNAR1-/-), type III (IFNLR1-/-), or both (IFNAR1/LR1-/-) interferon signaling pathways and murine-adapted coronavirus (MHV-A59) administered through the intranasal route, we define the role of interferons in coronavirus infection. We show that type I interferons play a major role in host survival in this model, while a minimal role of type III interferons was manifested only in the absence of type I interferons or during a lethal dose of coronavirus. IFNAR1-/- and IFNAR1/LR1-/- mice had an uncontrolled viral burden in the airways and lung and increased viral dissemination to other organs. The absence of only type III interferon signaling had no measurable difference in the viral load. The increased viral load in IFNAR1-/- and IFNAR1/LR1-/- mice was associated with increased tissue injury, especially evident in the lung and liver. Type I but not type III interferon treatment was able to promote survival if treated during early disease. Further, we show that type I interferon signaling in macrophages contributes to the beneficial effects during coronavirus infection in mice. IMPORTANCE The antiviral and pathological potential of type I and type III interferons during coronavirus infection remains poorly defined, and opposite findings have been reported. We report that both type I and type III interferons have anticoronaviral activities, but their potency and organ specificity differ. Type I interferon deficiency rendered the mice susceptible to even a sublethal murine coronavirus infection, while the type III interferon deficiency impaired survival only during a lethal infection or during a sublethal infection in the absence of type I interferon signaling. While treatment with both type I and III interferons promoted viral clearance in the airways and lung, only type I interferons promoted the viral clearance in the liver and improved host survival upon early treatment (12 h postinfection). This study demonstrates distinct roles and potency of type I and type III interferons and their therapeutic potential during coronavirus lung infection.
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Affiliation(s)
- Lokesh Sharma
- Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Xiaohua Peng
- Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Hua Qing
- Section of Rheumatology, Allergy & Immunology, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Brandon K. Hilliard
- Section of Rheumatology, Allergy & Immunology, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Jooyoung Kim
- Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Anush Swaminathan
- Section of Rheumatology, Allergy & Immunology, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Justin Tian
- Section of Rheumatology, Allergy & Immunology, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Kavita Israni-Winger
- Section of Rheumatology, Allergy & Immunology, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Cuiling Zhang
- Section of Rheumatology, Allergy & Immunology, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Victoria Habet
- Section of Pediatric Critical Care Medicine, Department of Pediatrics, Yale School of Medicine, New Haven, Connecticut, USA
| | - Lin Wang
- Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Gayatri Gupta
- Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Xuefei Tian
- Section of Nephrology, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Yina Ma
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Hyeon-Jun Shin
- Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Sang-Hun Kim
- Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Min-Jong Kang
- Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Shuta Ishibe
- Section of Nephrology, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Lawrence H. Young
- Section of Cardiovascular Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Sergei Kotenko
- Department of Biochemistry and Molecular Biology, Rutgers New Jersey Medical School, New Brunswick, New Jersey, USA
| | - Susan Compton
- Molecular and Serological Diagnostics, Department of Comparative Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Craig B. Wilen
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Laboratory Medicine, Yale School of Medicine, New Haven, Connecticut, USA
| | - Andrew Wang
- Section of Rheumatology, Allergy & Immunology, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Immunobiology, Yale School of Medicine, New Haven, Connecticut, USA
| | - Charles S. Dela Cruz
- Section of Pulmonary, Critical Care and Sleep Medicine, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut, USA
- Department of Microbial Pathogenesis, Yale School of Medicine, New Haven, Connecticut, USA
- Veterans Affairs Medical Center, West Haven, Connecticut, USA
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12
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Thorny ground, rocky soil: Tissue-specific mechanisms of tumor dormancy and relapse. Semin Cancer Biol 2022; 78:104-123. [PMID: 33979673 PMCID: PMC9595433 DOI: 10.1016/j.semcancer.2021.05.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 04/30/2021] [Accepted: 05/04/2021] [Indexed: 02/07/2023]
Abstract
Disseminated tumor cells (DTCs) spread systemically yet distinct patterns of metastasis indicate a range of tissue susceptibility to metastatic colonization. Distinctions between permissive and suppressive tissues are still being elucidated at cellular and molecular levels. Although there is a growing appreciation for the role of the microenvironment in regulating metastatic success, we have a limited understanding of how diverse tissues regulate DTC dormancy, the state of reversible quiescence and subsequent awakening thought to contribute to delayed relapse. Several themes of microenvironmental regulation of dormancy are beginning to emerge, including vascular association, co-option of pre-existing niches, metabolic adaptation, and immune evasion, with tissue-specific nuances. Conversely, DTC awakening is often associated with injury or inflammation-induced activation of the stroma, promoting a proliferative environment with DTCs following suit. We review what is known about tissue-specific regulation of tumor dormancy on a tissue-by-tissue basis, profiling major metastatic organs including the bone, lung, brain, liver, and lymph node. An aerial view of the barriers to metastatic growth may reveal common targets and dependencies to inform the therapeutic prevention of relapse.
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13
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Hildebrandt F, Andersson A, Saarenpää S, Larsson L, Van Hul N, Kanatani S, Masek J, Ellis E, Barragan A, Mollbrink A, Andersson ER, Lundeberg J, Ankarklev J. Spatial Transcriptomics to define transcriptional patterns of zonation and structural components in the mouse liver. Nat Commun 2021; 12:7046. [PMID: 34857782 PMCID: PMC8640072 DOI: 10.1038/s41467-021-27354-w] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 11/10/2021] [Indexed: 12/19/2022] Open
Abstract
Reconstruction of heterogeneity through single cell transcriptional profiling has greatly advanced our understanding of the spatial liver transcriptome in recent years. However, global transcriptional differences across lobular units remain elusive in physical space. Here, we apply Spatial Transcriptomics to perform transcriptomic analysis across sectioned liver tissue. We confirm that the heterogeneity in this complex tissue is predominantly determined by lobular zonation. By introducing novel computational approaches, we enable transcriptional gradient measurements between tissue structures, including several lobules in a variety of orientations. Further, our data suggests the presence of previously transcriptionally uncharacterized structures within liver tissue, contributing to the overall spatial heterogeneity of the organ. This study demonstrates how comprehensive spatial transcriptomic technologies can be used to delineate extensive spatial gene expression patterns in the liver, indicating its future impact for studies of liver function, development and regeneration as well as its potential in pre-clinical and clinical pathology.
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Affiliation(s)
- Franziska Hildebrandt
- Department of Molecular Biosciences, the Wenner-Gren Institute, Stockholm University, Svante Arrhenius Väg 20C, SE-106 91, Stockholm, Sweden.
| | - Alma Andersson
- Science for Life Laboratory, Department of Gene Technology, KTH Royal Institute of Technology, Tomtebodavägen 23a, SE-171 65, Solna, Sweden
| | - Sami Saarenpää
- Science for Life Laboratory, Department of Gene Technology, KTH Royal Institute of Technology, Tomtebodavägen 23a, SE-171 65, Solna, Sweden
| | - Ludvig Larsson
- Science for Life Laboratory, Department of Gene Technology, KTH Royal Institute of Technology, Tomtebodavägen 23a, SE-171 65, Solna, Sweden
| | - Noémi Van Hul
- Department of Cell and Molecular Biology, Karolinska Institutet Stockholm, SE-171 77, Solna, Sweden
| | - Sachie Kanatani
- Department of Molecular Biosciences, the Wenner-Gren Institute, Stockholm University, Svante Arrhenius Väg 20C, SE-106 91, Stockholm, Sweden
| | - Jan Masek
- Department of Cell and Molecular Biology, Karolinska Institutet Stockholm, SE-171 77, Solna, Sweden
- Department of Cell Biology, Faculty of Science, Charles University, Viničná 7, 128 00, Prague 2, Czech Republic
| | - Ewa Ellis
- Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, 141-86, Stockholm, Sweden
| | - Antonio Barragan
- Department of Molecular Biosciences, the Wenner-Gren Institute, Stockholm University, Svante Arrhenius Väg 20C, SE-106 91, Stockholm, Sweden
| | - Annelie Mollbrink
- Science for Life Laboratory, Department of Gene Technology, KTH Royal Institute of Technology, Tomtebodavägen 23a, SE-171 65, Solna, Sweden
| | - Emma R Andersson
- Department of Cell and Molecular Biology, Karolinska Institutet Stockholm, SE-171 77, Solna, Sweden
| | - Joakim Lundeberg
- Science for Life Laboratory, Department of Gene Technology, KTH Royal Institute of Technology, Tomtebodavägen 23a, SE-171 65, Solna, Sweden
| | - Johan Ankarklev
- Department of Molecular Biosciences, the Wenner-Gren Institute, Stockholm University, Svante Arrhenius Väg 20C, SE-106 91, Stockholm, Sweden.
- Microbial Single Cell Genomics facility, SciLifeLab, Biomedical Center (BMC) Uppsala University, SE-751 23, Uppsala, Sweden.
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14
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Sharma R, Porterfield JE, An HT, Jimenez AS, Lee S, Kannan S, Sharma A, Kannan RM. Rationally Designed Galactose Dendrimer for Hepatocyte-Specific Targeting and Intracellular Drug Delivery for the Treatment of Liver Disorders. Biomacromolecules 2021; 22:3574-3589. [PMID: 34324818 DOI: 10.1021/acs.biomac.1c00649] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Over two million people die of liver disorders every year globally. Hepatocytes are the key cells affected in several acute and chronic liver diseases. The current clinical outcomes of liver-targeted nanoparticles are limited, necessitating the need to develop smart hepatocyte-targeted drug delivery systems. Here, we present the rational design and development of a hepatocyte-targeting glycodendrimer (GAL-24) built from biocompatible building blocks, using expedite and facile chemical methodology. GAL-24 is designed to inherently target asialoglycoprotein receptor 1 (ASGP-R) on hepatocytes and shows significant accumulation in the liver (20% of injected dose), just 1 h after systemic administration. This is highly specific to hepatocytes, with over 80% of hepatocytes showing GAL-24-Cy5 signal at 24 h. GAL-24-Cy5 maintains hepatocyte-targeting capabilities in both a mouse model of severe acetaminophen poisoning-induced hepatic necrosis and a rat model of nonalcoholic steatohepatitis (NASH). This GAL-24 nanoplatform holds great promise for improved drug delivery to hepatocytes to combat many liver disorders.
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Affiliation(s)
- Rishi Sharma
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, United States
| | - Joshua E Porterfield
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, United States.,Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Hyoung-Tae An
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, United States.,Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, United States
| | - Ambar Scarlet Jimenez
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, United States
| | - Seulki Lee
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, United States.,Department of Radiology, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, United States
| | - Sujatha Kannan
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, United States.,Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, United States.,Hugo W. Moser Research Institute at Kennedy Krieger, Inc., Baltimore, Maryland 21205, United States
| | - Anjali Sharma
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, United States
| | - Rangaramanujam M Kannan
- Center for Nanomedicine, Department of Ophthalmology, Wilmer Eye Institute Johns Hopkins University School of Medicine, Baltimore, Maryland 21231, United States.,Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States.,Hugo W. Moser Research Institute at Kennedy Krieger, Inc., Baltimore, Maryland 21205, United States
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15
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Lin CY, Adhikary P, Cheng K. Cellular protein markers, therapeutics, and drug delivery strategies in the treatment of diabetes-associated liver fibrosis. Adv Drug Deliv Rev 2021; 174:127-139. [PMID: 33857552 DOI: 10.1016/j.addr.2021.04.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 02/18/2021] [Accepted: 04/08/2021] [Indexed: 02/08/2023]
Abstract
Liver fibrosis is the excessive accumulation of extracellular matrix due to chronic injuries, such as viral infection, alcohol abuse, high-fat diet, and toxins. Liver fibrosis is reversible before it progresses to cirrhosis and hepatocellular carcinoma. Type 2 diabetes significantly increases the risk of developing various complications including liver diseases. Abundant evidence suggests that type 2 diabetes and liver diseases are bidirectionally associated. Patients with type 2 diabetes experience more severe symptoms and accelerated progression of live diseases. Obesity and insulin resistance resulting from hyperlipidemia and hyperglycemia are regarded as the two major risk factors that link type 2 diabetes and liver fibrosis. This review summarizes possible mechanisms of the association between type 2 diabetes and liver fibrosis. The cellular protein markers that can be used for diagnosis and therapy of type 2 diabetes-associated liver fibrosis are discussed. We also highlight the potential therapeutic agents and their delivery systems that have been investigated for type 2 diabetes-associated liver fibrosis.
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16
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Goddi A, Schroedl L, Brey EM, Cohen RN. Laminins in metabolic tissues. Metabolism 2021; 120:154775. [PMID: 33857525 DOI: 10.1016/j.metabol.2021.154775] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 03/13/2021] [Accepted: 04/08/2021] [Indexed: 12/16/2022]
Abstract
Laminins are extracellular matrix proteins that reside in the basement membrane and provide structural support in addition to promoting cellular adhesion and migration. Through interactions with cell surface receptors, laminins stimulate intracellular signaling cascades which direct specific survival and differentiation outcomes. In metabolic tissues such as the pancreas, adipose, muscle, and liver, laminin isoforms are expressed in discrete temporal and spatial patterns suggesting that certain isoforms may support the development and function of particular metabolic cell types. This review focuses on the research to date detailing the expression of laminin isoforms, their potential function, as well as known pathways involved in laminin signaling in metabolic tissues. We will also discuss the current biomedical therapies involving laminins in these tissues in addition to prospective applications, with the goal being to encourage future investigation of laminins in the context of metabolic disease.
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Affiliation(s)
- Anna Goddi
- Committee on Molecular Metabolism and Nutrition, The University of Chicago, 900 East 57th St, Chicago, IL 60637, USA
| | - Liesl Schroedl
- Pritzker School of Medicine, The University of Chicago, 924 E 57th St, Chicago, IL 60637, USA
| | - Eric M Brey
- Department of Biomedical Engineering and Chemical Engineering, The University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249, USA
| | - Ronald N Cohen
- Committee on Molecular Metabolism and Nutrition, The University of Chicago, 900 East 57th St, Chicago, IL 60637, USA; Section of Endocrinology, Diabetes, and Metabolism, The University of Chicago, 5841 South Maryland Ave, Chicago, IL 60637, USA.
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17
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MR cell size imaging with temporal diffusion spectroscopy. Magn Reson Imaging 2021; 77:109-123. [PMID: 33338562 PMCID: PMC7878439 DOI: 10.1016/j.mri.2020.12.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 12/10/2020] [Accepted: 12/13/2020] [Indexed: 02/07/2023]
Abstract
Cytological features such as cell size and intracellular morphology provide fundamental information on cell status and hence may provide specific information on changes that arise within biological tissues. Such information is usually obtained by invasive biopsy in current clinical practice, which suffers several well-known disadvantages. Recently, novel MRI methods such as IMPULSED (imaging microstructural parameters using limited spectrally edited diffusion) have been developed for direct measurements of mean cell size non-invasively. The IMPULSED protocol is based on using temporal diffusion spectroscopy (TDS) to combine measurements of water diffusion over a wide range of diffusion times to probe cellular microstructure over varying length scales. IMPULSED has been shown to provide rapid, robust, and reliable mapping of mean cell size and is suitable for clinical imaging. More recently, cell size distributions have also been derived by appropriate analyses of data acquired with IMPULSED or similar sequences, which thus provides MRI-cytometry. This review summarizes the basic principles, practical implementations, validations, and example applications of MR cell size imaging based on TDS and demonstrates how cytometric information can be used in various applications. In addition, the limitations and potential future directions of MR cytometry are identified including the diagnosis of nonalcoholic steatohepatitis of the liver and the assessment of treatment response of cancers.
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18
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Welch EC, Yu H, Tripathi A. Optimization of a Clinically Relevant Chemical-Mechanical Tissue Dissociation Workflow for Single-Cell Analysis. Cell Mol Bioeng 2021; 14:241-258. [PMID: 34109003 DOI: 10.1007/s12195-021-00667-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 02/01/2021] [Indexed: 12/17/2022] Open
Abstract
Introduction While single-cell analysis technology has flourished, obtaining single cells from complex tissues continues to be a challenge. Current methods require multiple steps and several hours of processing. This study investigates chemical and mechanical methods for clinically relevant preparation of single-cell suspension from frozen biopsy cores of complex tissues. The developed protocol can be completed in 15 min. Methods Frozen bovine liver biopsy cores were normalized by weight, dimension, and calculated cellular composition. Various chemical reagents were tested for their capability to dissociate the tissue via confocal microscopy, hemocytometry and quantitative flow cytometry. Images were processed using ImageJ. Quantitative flow cytometry with gating analysis was also used for the analysis of dissociation. Physical modeling simulations were conducted in COMSOL Multiphysics. Results A rapid method for tissue dissociation was developed for single-cell analysis techniques. The results of this study show that a combination of 1% type-1 collagenase and pronase or hyaluronidase in 100 U/µL HBSS solution is the most effective at dissociating 2.5 mm thawed bovine liver biopsy cores in 15 min, with dissociation efficiency of 37-42% and viability >90% as verified using live MDA-MB-231 cancer cells. Cellular dissociation is significantly improved by adding a controlled mechanical force during the chemical process, to dissociate 93 ± 8% of the entire tissue into single cells. Conclusions Understanding cellular dissociation in ex vivo tissues is essential to the development of clinically relevant dissociation workflows. Controlled mechanical force in combination with chemical treatment produces high quality tissue dissociation. This research is relevant to the understanding and assessment of tissue dissociation and the establishment of an automated preparatory workflow for single cell diagnostics. Supplementary Information The online version of this article (10.1007/s12195-021-00667-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- E Celeste Welch
- School of Engineering, Center for Biomedical Engineering, Brown University, Providence, RI 02916 USA
| | - Harry Yu
- School of Engineering, Center for Biomedical Engineering, Brown University, Providence, RI 02916 USA
| | - Anubhav Tripathi
- School of Engineering, Center for Biomedical Engineering, Brown University, Providence, RI 02916 USA
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19
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Le DC, Chansangrat J, Keeratibharat N, Horkaew P. Functional Segmentation for Preoperative Liver Resection Based on Hepatic Vascular Networks. IEEE ACCESS 2021; 9:15485-15498. [DOI: 10.1109/access.2021.3053384] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
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20
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Lim HK, Jeffrey GP, Ramm GA, Soekmadji C. Pathogenesis of Viral Hepatitis-Induced Chronic Liver Disease: Role of Extracellular Vesicles. Front Cell Infect Microbiol 2020; 10:587628. [PMID: 33240824 PMCID: PMC7683521 DOI: 10.3389/fcimb.2020.587628] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Accepted: 10/13/2020] [Indexed: 12/11/2022] Open
Abstract
Extracellular vesicles are encapsulated lipid nanoparticles secreted by a variety of cell types in living organisms. They are known to carry proteins, metabolites, nucleic acids, and lipids as their cargoes and are important mediators of intercellular communication. The role of extracellular vesicles in chronic liver disease has been reported. Chronic liver disease such as viral hepatitis accounts for a significant mortality and morbidity burden worldwide. Hepatic fibrosis has been commonly associated with the chronic form of viral hepatitis, which results in end-stage liver disease, including cirrhosis, liver failure, and carcinoma in some patients. In this review, we discuss the potential role of extracellular vesicles in mediating communication between infectious agents (hepatitis B and C viruses) and host cells, and how these complex cell-cell interactions may facilitate the development of chronic liver disease. We will further discuss how understanding their biological mechanism of action might be beneficial for developing therapeutic strategies to treat chronic liver disease.
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Affiliation(s)
- Hong Kiat Lim
- Hepatic Fibrosis Group, Department of Cellular and Molecular Biology, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia
| | - Gary P Jeffrey
- Faculty of Health and Medical Sciences, University of Western Australia, Perth, WA, Australia.,Sir Charles Gairdner Hospital, Nedlands, Hepatology Department and Liver Transplant Service, Perth, WA, Australia
| | - Grant A Ramm
- Hepatic Fibrosis Group, Department of Cellular and Molecular Biology, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
| | - Carolina Soekmadji
- Hepatic Fibrosis Group, Department of Cellular and Molecular Biology, QIMR Berghofer Medical Research Institute, Brisbane, QLD, Australia.,Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia
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21
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Trauma-Hemorrhage Stimulates Immune Defense, Mitochondrial Dysfunction, Autophagy, and Apoptosis in Pig Liver at 72 h. Shock 2020; 55:630-639. [PMID: 32826806 DOI: 10.1097/shk.0000000000001556] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
ABSTRACT Hepatic dysfunction frequently occurs after trauma-hemorrhage, resulting in severe pathophysiological responses that include leukocyte shifting and self-mediated mechanisms of cells, such as autophagy and apoptosis. This in vivo study aimed to characterize mitochondrial morphology, leukocyte reaction, and the processes of autophagy and apoptosis after polytrauma hemorrhage (TH) in a long-term, large animal model.Liver tissue was taken from a porcine TH model (hemorrhagic shock, blunt chest trauma, tibia fracture, and liver laceration) with an intensive care unit follow-up of 72 h. The ultrastructural changes of the liver tissue after TH were evaluated by transmission electron microscopy. The leukocyte phenotypes and autophagy and apoptosis pathways were elucidated by immunohistofluorescence, Western blot, and terminal deoxynucleotidyl transferase dUTP nick-end labeling (TUNEL).In addition to post-traumatic changes in the mitochondrial morphology, the biomarkers of anti-inflammatory macrophages (CD163) and reparative monocytes (CD11R3 and CD16) were upregulated, while the inducible nitric oxide synthase was downregulated after TH. Furthermore, the autophagy-related protein expressions of LC3 and Beclin-1 were upregulated, whereas the protein expression of P62 was downregulated after TH. Costaining showed that the macrophages were LC3 (or Beclin-1) positive and that CD163 was copositive and upregulated. Apoptosis biomarkers (cleaved-caspase-3/caspase-3 and Bcl-2) increased after TH, which is in line with TUNEL results.In conclusion, the observed findings indicate that mitochondrial dysfunction might be one trigger of hepatic autophagy and apoptosis after TH. These processes occur together with the activation of anti-inflammatory leukocytes in liver tissue. Further studies are needed to elucidate the potential therapeutic effects of inhibiting mitochondrial swelling during autophagy or apoptosis.
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22
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Bertucci EM, Mason MW, Camus AC, Rhodes OE, Parrott BB. Chronic low dose irradiation alters hepatic transcriptional profiles, but not global DNA methylation in medaka (Oryzias latipes). THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 729:138680. [PMID: 32361431 DOI: 10.1016/j.scitotenv.2020.138680] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 03/26/2020] [Accepted: 04/11/2020] [Indexed: 06/11/2023]
Abstract
Ionizing radiation (IR) resulting from both natural and anthropogenic sources is ubiquitous throughout the environment. Historically, studies on the biological impacts of radiation primarily focused on responses to acute doses of radiation, with little advancement in our understanding of environmentally relevant exposures. Epigenetic mechanisms are capable of mediating organismal responses to environmental stressors and DNA methylation plays important roles in gene regulation and promoting chromosomal stability. Here, we assess broad-scale transcriptional and epigenetic variation resulting from chronic exposure to low doses of ionizing radiation (LDIR; 5.78, 53.76, or 520.23 mGy/day) using Japanese medaka fish (Oryzias latipes) in a replicated mesocosm design. We observed significant changes to the hepatic transcriptome induced by a 3-month chronic exposure to IR, whereas global DNA methylation appeared largely unaffected. Our findings reveal a set of genes, including those involved in immune function, responding to environmentally relevant IR exposures, which do not appear to be mediated by a systemic global shift in DNA methylation.
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Affiliation(s)
- Emily M Bertucci
- Odum School of Ecology, University of Georgia, 140 E. Green St., Athens 30602, GA, USA; Savannah River Ecology Laboratory, University of Georgia, P.O. Drawer E, Aiken 29802, SC, USA.
| | - Marilyn W Mason
- Savannah River Ecology Laboratory, University of Georgia, P.O. Drawer E, Aiken 29802, SC, USA.
| | - Alvin C Camus
- College of Veterinary Medicine Department of Pathology, University of Georgia, 501 D.W. Brooks Drive, Athens 30602, GA, USA.
| | - Olin E Rhodes
- Odum School of Ecology, University of Georgia, 140 E. Green St., Athens 30602, GA, USA; Savannah River Ecology Laboratory, University of Georgia, P.O. Drawer E, Aiken 29802, SC, USA.
| | - Benjamin B Parrott
- Odum School of Ecology, University of Georgia, 140 E. Green St., Athens 30602, GA, USA; Savannah River Ecology Laboratory, University of Georgia, P.O. Drawer E, Aiken 29802, SC, USA.
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23
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Lasli S, Kim HJ, Lee K, Suurmond CAE, Goudie M, Bandaru P, Sun W, Zhang S, Zhang N, Ahadian S, Dokmeci MR, Lee J, Khademhosseini A. A Human Liver-on-a-Chip Platform for Modeling Nonalcoholic Fatty Liver Disease. ADVANCED BIOSYSTEMS 2019; 3:e1900104. [PMID: 32648699 PMCID: PMC7473489 DOI: 10.1002/adbi.201900104] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 05/29/2019] [Indexed: 12/16/2022]
Abstract
The liver possesses a unique microenvironment with a complex internal vascular system and cell-cell interactions. Nonalcoholic fatty liver disease (NAFLD) is the most common form of chronic liver disease, and although much effort has been dedicated to building models to target NAFLD, most in vitro systems rely on simple models failing to recapitulate complex liver functions. Here, an in vitro system is presented to study NAFLD (steatosis) by coculturing human hepatocellular carcinoma (HepG2) cells and umbilical vein endothelial cells (HUVECs) into spheroids. Analysis of colocalization of HepG2-HUVECs along with the level of steatosis reveals that the NAFLD pathogenesis could be better modeled when 20% of HUVECs are presented in HepG2 spheroids. Spheroids with fat supplements progressed to the steatosis stage on day 2, which could be maintained for more than a week without being harmful for cells. Transferring spheroids onto a chip system with an array of interconnected hexagonal microwells proves helpful for monitoring functionality through increased albumin secretions with HepG2-HUVEC interactions and elevated production of reactive oxygen species for steatotic spheroids. The reversibility of steatosis is demonstrated by simply stopping fat-based diet or by antisteatotic drug administration, the latter showing a faster return of intracellular lipid levels to the basal level.
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Affiliation(s)
- Soufian Lasli
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Institute of Bioengineering, School of Life Sciences and School of Engineering, Ecole Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland
| | - Han-Jun Kim
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
| | - KangJu Lee
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
| | - Ceri-Anne E Suurmond
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Bioengineering Technologies, University of Twente, 7522, NB, Enschede, The Netherlands
| | - Marcus Goudie
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
| | - Praveen Bandaru
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
| | - Wujin Sun
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
| | - Shiming Zhang
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
| | - Niyuan Zhang
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Samad Ahadian
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
| | - Mehmet R Dokmeci
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Department of Radiology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, 90095, USA
| | - Junmin Lee
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
| | - Ali Khademhosseini
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Center for Minimally Invasive Therapeutics, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Department of Radiology, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, CA, 90095, USA
- Department of Chemical and Biomolecular Engineering, Henry Samueli School of Engineering and Applied Sciences, University of California-Los Angeles, Los Angeles, CA, 90095, USA
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24
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Zafarnia S, Mrugalla A, Rix A, Doleschel D, Gremse F, Wolf SD, Buyel JF, Albrecht U, Bode JG, Kiessling F, Lederle W. Non-invasive Imaging and Modeling of Liver Regeneration After Partial Hepatectomy. Front Physiol 2019; 10:904. [PMID: 31379606 PMCID: PMC6652107 DOI: 10.3389/fphys.2019.00904] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 07/01/2019] [Indexed: 12/12/2022] Open
Abstract
The liver has a unique regenerative capability upon injury or partial resection. The regeneration process comprises a complex interplay between parenchymal and non-parenchymal cells and is tightly regulated at different scales. Thus, we investigated liver regeneration using multi-scale methods by combining non-invasive imaging with immunohistochemical analyses. In this context, non-invasive imaging can provide quantitative data of processes involved in liver regeneration at organ and body scale. We quantitatively measured liver volume recovery after 70% partial hepatectomy (PHx) by micro computed tomography (μCT) and investigated changes in the density of CD68+ macrophages by fluorescence-mediated tomography (FMT) combined with μCT using a newly developed near-infrared fluorescent probe. In addition, angiogenesis and tissue-resident macrophages were analyzed by immunohistochemistry. Based on the results, a model describing liver regeneration and the interactions between different cell types was established. In vivo analysis of liver volume regeneration over 21 days after PHx by μCT imaging demonstrated that the liver volume rapidly increased after PHx reaching a maximum at day 14 and normalizing until day 21. An increase in CD68+ macrophage density in the liver was detected from day 4 to day 8 by combined FMT-μCT imaging, followed by a decline towards control levels between day 14 and day 21. Immunohistochemistry revealed the highest angiogenic activity at day 4 after PHx that continuously declined thereafter, whereas the density of tissue-resident CD169+ macrophages was not altered. The simulated time courses for volume recovery, angiogenesis and macrophage density reflect the experimental data describing liver regeneration after PHx at organ and tissue scale. In this context, our study highlights the importance of non-invasive imaging for acquiring quantitative organ scale data that enable modeling of liver regeneration.
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Affiliation(s)
- Sara Zafarnia
- Institute for Experimental Molecular Imaging, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Anna Mrugalla
- Institute for Experimental Molecular Imaging, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Anne Rix
- Institute for Experimental Molecular Imaging, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Dennis Doleschel
- Institute for Experimental Molecular Imaging, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Felix Gremse
- Institute for Experimental Molecular Imaging, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Stephanie D Wolf
- Department of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Johannes F Buyel
- Fraunhofer Institute for Molecular Biology and Applied Ecology IME, Aachen, Germany.,Institute for Molecular Biotechnology, RWTH Aachen University, Aachen, Germany
| | - Ute Albrecht
- Department of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Johannes G Bode
- Department of Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany
| | - Fabian Kiessling
- Institute for Experimental Molecular Imaging, Medical Faculty, RWTH Aachen University, Aachen, Germany
| | - Wiltrud Lederle
- Institute for Experimental Molecular Imaging, Medical Faculty, RWTH Aachen University, Aachen, Germany
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25
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Calitz C, Hamman JH, Fey SJ, Wrzesinski K, Gouws C. Recent advances in three-dimensional cell culturing to assess liver function and dysfunction: from a drug biotransformation and toxicity perspective. Toxicol Mech Methods 2018; 28:369-385. [PMID: 29297242 DOI: 10.1080/15376516.2017.1422580] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Carlemi Calitz
- Pharmacen™, Centre of Excellence for Pharmaceutical Sciences, North-West University, Potchefstroom, South Africa
| | - Josias H. Hamman
- Pharmacen™, Centre of Excellence for Pharmaceutical Sciences, North-West University, Potchefstroom, South Africa
| | - Stephen J. Fey
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense M, Denmark
| | - Krzysztof Wrzesinski
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense M, Denmark
| | - Chrisna Gouws
- Pharmacen™, Centre of Excellence for Pharmaceutical Sciences, North-West University, Potchefstroom, South Africa
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26
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Ahmed Abdel-Reheim M, Messiha BAS, Abo-Saif AA. Quillaja saponaria bark saponin protects Wistar rats against ferrous sulphate-induced oxidative and inflammatory liver damage. PHARMACEUTICAL BIOLOGY 2017; 55:1972-1983. [PMID: 28728456 PMCID: PMC6130630 DOI: 10.1080/13880209.2017.1345950] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Revised: 05/09/2017] [Accepted: 06/19/2017] [Indexed: 06/07/2023]
Abstract
CONTEXT Saponins from different sources are historically reported in Chinese medicine to possess many beneficial effects. However, insufficient experimental data are available regarding the hepatoprotective potential of Quillaja bark saponin. OBJECTIVE The protective effect of Quillaja saponaria Molina (Quillajaceae) bark triterpenoid saponin against iron-induced hepatotoxicity is compared to the standard N-acetylcysteine in adult male Wistar rats. MATERIALS AND METHODS Animals were divided into (six) groups, namely a normal control, an N-acetylcysteine control (300 mg/kg/day, p.o., 10 days), a saponin control (100 mg/kg/day, p.o., for 10 days), a hepatotoxicity control (two doses of ferrous sulphate, 30 mg/kg/day each, i.p., on 9th and 10th day), an N-acetylcysteine plus ferrous sulphate (standard treatment) and a saponin plus ferrous sulphate (test treatment) group. Hepatocyte integrity loss markers (serum ALT, AST, ALP, GGT and LDH), oxidative stress markers (hepatic MDA, GSH and NOx), dyslipidaemic markers (serum TC and TG) and hepatocyte functioning markers (serum bilirubin and albumin) were assessed. RESULTS Quillaja bark saponin decreased iron-induced elevation of ALT (reaching 57% of hepatotoxicity control), AST (66%), ALP (76%), GGT (60%), LDH (54%), MDA (65%), NOx (77%), TC (70%), TG (54%), and total (54%), direct (54%) and indirect (54%) bilirubin, coupled with increased GSH (219%) and albumin (159%) levels. Histopathological study strongly supported biochemical estimations, while immunohistochemical study showed marked effect on eNOS and iNOS expression. CONCLUSIONS Quillaja bark saponin has a good hepatoprotective effect. Amelioration of oxidative stress and suppression of NOS expression, with resultant maintenance of hepatocyte integrity and functioning, may explain this beneficial effect.
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Affiliation(s)
| | | | - Ali Ahmed Abo-Saif
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Nahda University, Beni Suef, Egypt
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27
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Zhang JQ, Zhou W, Zhu SS, Lin J, Wei PF, Li FF, Jin PP, Yao H, Zhang YJ, Hu Y, Liu YM, Chen M, Li ZQ, Liu XS, Bai L, Wen LP. Persistency of Enlarged Autolysosomes Underscores Nanoparticle-Induced Autophagy in Hepatocytes. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2017; 13:1602876. [PMID: 27925395 DOI: 10.1002/smll.201602876] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Revised: 11/09/2016] [Indexed: 06/06/2023]
Abstract
The diverse biological effects of nanomaterials form the basis for their applications in biomedicine but also cause safety issues. Induction of autophagy is a cellular response after nanoparticles exposure. It may be beneficial in some circumstances, yet autophagy-mediated toxicity raises an alarming concern. Previously, it has been reported that upconversion nanoparticles (UCNs) elicit liver damage, with autophagy contributing most of this toxicity. However, the detailed mechanism is unclear. This study reveals persistent presence of enlarged autolysosomes in hepatocytes after exposure to UCNs and SiO2 nanoparticles both in vitro and in vivo. This phenomenon is due to anomaly in the autophagy termination process named autophagic lysosome reformation (ALR). Phosphatidylinositol 4-phosphate (PI(4)P) relocates onto autolysosome membrane, which is a key event of ALR. PI(4)P is then converted into phosphatidylinositol 4,5-bisphosphate (PI(4,5)P2 ) by phosphatidylinositol-4-phosphate 5-kinase. Clathrin is subsequently recruited by PI(4,5)P2 and leads to tubule budding of ALR. Yet it is observed that PI(4)P cannot be converted in nanoparticle-treated hepatocytes cells. Exogenous supplement of PI(4,5)P2 suppresses the enlarged autolysosomes in vitro. Abolishment of these enlarged autolysosomes by autophagy inhibitor relieves the hepatotoxicity of UCNs in vivo. The results provide evidence for disrupted ALR in nanoparticle-treated hepatocytes, suggesting that the termination of nanoparticle-induced autophagy is of equal importance as the initiation.
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Affiliation(s)
- Ji-Qian Zhang
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, 230022, P. R. China
| | - Wei Zhou
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
- School of Biological and Medical Engineering, Hefei University of Technology, Hefei, Anhui, 230009, P. R. China
| | - Sha-Sha Zhu
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
| | - Jun Lin
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
| | - Peng-Fei Wei
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
| | - Fen-Fen Li
- Center for Biomedical Engineering, Department of Electronic Science and Technology, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
| | - Pei-Pei Jin
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
| | - Han Yao
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
| | - Yun-Jiao Zhang
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
| | - Yi Hu
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
| | - Yi-Ming Liu
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
| | - Ming Chen
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
- Department of Pharmacology, Anhui University of Chinese Medicine, Hefei, Anhui, 230038, P.R. China
- Anhui Anke Biotechnology (Group) Co., Ltd, Hefei, Anhui, 230088, P. R. China
| | - Zheng-Quan Li
- Department of Materials Physics, Zhejiang Normal University, Jinhua, Zhejiang, 321004, P. R. China
| | - Xue-Sheng Liu
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Anhui Medical University, Hefei, Anhui, 230022, P. R. China
| | - Li Bai
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
| | - Long-Ping Wen
- The CAS Key Laboratory of Innate Immunity and Chronic Disease, School of Life Sciences, Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei, Anhui, 230027, P. R. China
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28
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Kim JH, Kim HW, Cha KJ, Han J, Jang YJ, Kim DS, Kim JH. Nanotopography Promotes Pancreatic Differentiation of Human Embryonic Stem Cells and Induced Pluripotent Stem Cells. ACS NANO 2016; 10:3342-55. [PMID: 26900863 DOI: 10.1021/acsnano.5b06985] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Although previous studies suggest that nanotopographical features influence properties and behaviors of stem cells, only a few studies have attempted to derive clinically useful somatic cells from human pluripotent stem cells using nanopatterned surfaces. In the present study, we report that polystyrene nanopore-patterned surfaces significantly promote the pancreatic differentiation of human embryonic and induced pluripotent stem cells. We compared different diameters of nanopores and showed that 200 nm nanopore-patterned surfaces highly upregulated the expression of PDX1, a critical transcription factor for pancreatic development, leading to an approximately 3-fold increase in the percentage of differentiating PDX1(+) pancreatic progenitors compared with control flat surfaces. Furthermore, in the presence of biochemical factors, 200 nm nanopore-patterned surfaces profoundly enhanced the derivation of pancreatic endocrine cells producing insulin, glucagon, or somatostatin. We also demonstrate that nanopore-patterned surface-induced upregulation of PDX1 is associated with downregulation of TAZ, suggesting the potential role of TAZ in nanopore-patterned surface-mediated mechanotransduction. Our study suggests that appropriate cytokine treatments combined with nanotopographical stimulation could be a powerful tool for deriving a high purity of desired cells from human pluripotent stem cells.
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Affiliation(s)
- Jong Hyun Kim
- Laboratory of Stem Cells and Tissue Regeneration, Department of Biotechnology, College of Life Sciences and Biotechnology, Science Campus, Korea University , 145 Anam-ro, Seongbuk-gu, Seoul 02841, Korea
| | - Hyung Woo Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH) , 77 Cheongam-Ro, Nam-gu, Pohang, Gyeongbuk 37673, Korea
| | - Kyoung Je Cha
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH) , 77 Cheongam-Ro, Nam-gu, Pohang, Gyeongbuk 37673, Korea
| | - Jiyou Han
- Laboratory of Stem Cells and Tissue Regeneration, Department of Biotechnology, College of Life Sciences and Biotechnology, Science Campus, Korea University , 145 Anam-ro, Seongbuk-gu, Seoul 02841, Korea
| | - Yu Jin Jang
- Laboratory of Stem Cells and Tissue Regeneration, Department of Biotechnology, College of Life Sciences and Biotechnology, Science Campus, Korea University , 145 Anam-ro, Seongbuk-gu, Seoul 02841, Korea
| | - Dong Sung Kim
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH) , 77 Cheongam-Ro, Nam-gu, Pohang, Gyeongbuk 37673, Korea
| | - Jong-Hoon Kim
- Laboratory of Stem Cells and Tissue Regeneration, Department of Biotechnology, College of Life Sciences and Biotechnology, Science Campus, Korea University , 145 Anam-ro, Seongbuk-gu, Seoul 02841, Korea
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29
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Jun HY, Lee YH, Juhng SK, Lee MS, Oh J, Yoon KH. Micro-CT measurements of tumoral vessels supplied by portal circulation in hepatic colorectal metastasis mouse model. Microsc Res Tech 2014; 77:415-21. [PMID: 24659362 DOI: 10.1002/jemt.22361] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 02/24/2014] [Accepted: 03/11/2014] [Indexed: 12/17/2022]
Abstract
The purpose of this study was to elucidate the micro CT findings of tumoral vessels supplied by portal circulation during establishment of hepatic metastasis of colorectal cancer in a mouse model. Hepatic metastases were induced in 15 BALB/c mice through the injection of murine colonic adenocarcinoma tumor cells into the mesenteric vein. Micro-CT imaging of the tumoral vessels was obtained to clarify the microvascular architecture. We evaluated the sinusoidal structure, diameter of the tumoral vessels (DTV) and blood vessel density (BVD) according to tumor sizes ranging from 201 to 3,000 µm in diameter. A total of 116 tumors were observed on day 15 after cell injection. The mean diameter of a normal hepatic sinusoid was 11.7 ± 2.0 µm on micro CT. The DTV supplied by the portal vein of tumors measuring 1,001-1,500 µm in diameter was greater than that of tumors 200-1,000 µm in diameter. The mean BVD from the portal vein gradually decrease according to size of tumor from 201 to 3,000 µm in diameter (r(2) = -0.584, P < 0.01). The characteristics of tumoral vessels supplied by portal circulation during establishment of hepatic colorectal metastases were well visualized with micro-CT imaging.
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Affiliation(s)
- Hong Young Jun
- Imaging Science-Based Lung and Bone Diseases Research Center, Wonkwang University, Iksan, Jeonbuk, Korea; BK21plus Program and Department of Smart Life-Care Convergence, Wonkwang University, Graduate School, Iksan, Jeonbuk, Korea
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30
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Géraud C, Evdokimov K, Straub BK, Peitsch WK, Demory A, Dörflinger Y, Schledzewski K, Schmieder A, Schemmer P, Augustin HG, Schirmacher P, Goerdt S. Unique cell type-specific junctional complexes in vascular endothelium of human and rat liver sinusoids. PLoS One 2012; 7:e34206. [PMID: 22509281 PMCID: PMC3317944 DOI: 10.1371/journal.pone.0034206] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2011] [Accepted: 02/23/2012] [Indexed: 12/27/2022] Open
Abstract
Liver sinusoidal endothelium is strategically positioned to control access of fluids, macromolecules and cells to the liver parenchyma and to serve clearance functions upstream of the hepatocytes. While clearance of macromolecular debris from the peripheral blood is performed by liver sinusoidal endothelial cells (LSECs) using a delicate endocytic receptor system featuring stabilin-1 and -2, the mannose receptor and CD32b, vascular permeability and cell trafficking are controlled by transcellular pores, i.e. the fenestrae, and by intercellular junctional complexes. In contrast to blood vascular and lymphatic endothelial cells in other organs, the junctional complexes of LSECs have not yet been consistently characterized in molecular terms. In a comprehensive analysis, we here show that LSECs express the typical proteins found in endothelial adherens junctions (AJ), i.e. VE-cadherin as well as α-, β-, p120-catenin and plakoglobin. Tight junction (TJ) transmembrane proteins typical of endothelial cells, i.e. claudin-5 and occludin, were not expressed by rat LSECs while heterogenous immunreactivity for claudin-5 was detected in human LSECs. In contrast, junctional molecules preferentially associating with TJ such as JAM-A, B and C and zonula occludens proteins ZO-1 and ZO-2 were readily detected in LSECs. Remarkably, among the JAMs JAM-C was considerably over-expressed in LSECs as compared to lung microvascular endothelial cells. In conclusion, we show here that LSECs form a special kind of mixed-type intercellular junctions characterized by co-occurrence of endothelial AJ proteins, and of ZO-1 and -2, and JAMs. The distinct molecular architecture of the intercellular junctional complexes of LSECs corroborates previous ultrastructural findings and provides the molecular basis for further analyses of the endothelial barrier function of liver sinusoids under pathologic conditions ranging from hepatic inflammation to formation of liver metastasis.
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Affiliation(s)
- Cyrill Géraud
- Department of Dermatology, Venereology and Allergology, University Medical Center and Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany.
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31
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Paschos KA, Canovas D, Bird NC. The engagement of selectins and their ligands in colorectal cancer liver metastases. J Cell Mol Med 2011; 14:165-74. [PMID: 19627399 PMCID: PMC3837616 DOI: 10.1111/j.1582-4934.2009.00852.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The colonization of the liver by colorectal cancer (CRC) cells is a complicated process which includes many stages, until macrometastases occur. The entrapment of malignant cells within the hepatic sinusoids and their interactions with resident non-parenchymal cells are considered very important for the whole metastatic sequence. In the sinusoids, cell connection and signalling is mediated by multiple cell adhesion molecules, such as the selectins. The three members of the selectin family, E-, P- and L-selectin, in conjunction with sialylated Lewis ligands and CD44 variants, regulate colorectal cell communication and adhesion with platelets, leucocytes, sinusoidal endothelial cells and stellate cells. Their role in CRC liver metastases has been investigated in animal models and human tissue, in vivo and in vitro, in static and shear flow conditions, and their key-function in several molecular pathways has been displayed. Therefore, trials have already commenced aiming to exploit selectins and their ligands in the treatment of benign and malignant diseases. Multiple pharmacological agents have been developed that are being tested for potential therapeutic applications.
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Affiliation(s)
- Konstantinos A Paschos
- Liver Research Group, Section of Oncology, School of Medicine, Royal Hallamshire Hospital, The University of Sheffield, Sheffield, UK.
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Lin RZ, Wang TP, Hung RJ, Chuang YJ, Chien CCM, Chang HY. Tumor-induced endothelial cell apoptosis: Roles of NAD(P)H oxidase-derived reactive oxygen species. J Cell Physiol 2011; 226:1750-62. [DOI: 10.1002/jcp.22504] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Zöller M, Jung T. The Colorectal Cancer Initiating Cell: Markers and Their Role in Liver Metastasis. ACTA ACUST UNITED AC 2011. [DOI: 10.1007/978-94-007-0292-9_4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Abstract
Colorectal cancer is one of the commonest malignancies in the "developed" world. The liver constitutes the main host organ for its distant metastases which, when present, augur a bad prognosis for the disease. Kupffer cells (KCs) are macrophages that constantly reside within the liver and form an effective first line defence against multiple harmful agents which reach the hepatic sinusoids via the portal circulation. KCs remove chemical compounds and dead or damaged cells, eliminate bacteria and protect against invading tumour cells. They may play a crucial tumouricidal role, exerting cytotoxic and cytostatic functions through the release of multiple cytokines and chemokines. Subsequently, colorectal metastasising cells are destroyed either by KC-performed phagocytosis or via the stimulation of other immune cells which migrate into the sinusoids and act accordingly. On the contrary, KC products, including cytokines, growth factors and matrix-degrading enzymes may promote liver metastasis, supporting tumour cell extravasation, motility and invasion. Current research aims to exploit the antineoplastic properties of KCs in new therapeutic approaches of colorectal cancer liver metastasis. Numerous agents, such as the granulocyte macrophage-colony stimulating factor, interferon gamma, muramyl peptide analogues and various antibody based treatments, have been tested in experimental models with promising results. Future trials may investigate their use in everyday clinical practice and compare their therapeutic value with current treatment of the disease.
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Affiliation(s)
- Konstantinos A Paschos
- Liver Research Group, Section of Oncology, School of Medicine, Royal Hallamshire Hospital, The University of Sheffield, Sheffield, UK
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Zhang C, Chia SM, Ong SM, Zhang S, Toh YC, van Noort D, Yu H. The controlled presentation of TGF-β1 to hepatocytes in a 3D-microfluidic cell culture system. Biomaterials 2009; 30:3847-53. [DOI: 10.1016/j.biomaterials.2009.03.052] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2009] [Accepted: 03/29/2009] [Indexed: 12/18/2022]
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Braet F, Nagatsuma K, Saito M, Soon L, Wisse E, Matsuura T. The hepatic sinusoidal endothelial lining and colorectal liver metastases. World J Gastroenterol 2007; 13:821-5. [PMID: 17352008 PMCID: PMC4065914 DOI: 10.3748/wjg.v13.i6.821] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Colorectal cancer (CRC) is a common malignant disease and the severe nature of cases in men and women who develop colorectal cancer makes this an important socio-economic health issue. Major challenges such as understanding and modeling colorectal cancer pathways rely on our understanding of simple models such as outlined in this paper. We discuss that the development of novel standardized approaches of multidimensional (correlative) biomolecular microscopy methods facilitates the collection of (sub) cellular tissue information in the early onset of colorectal liver metastasis and that this approach will be crucial in designing new effective strategies for CRC treatment. The application of X-ray micro-computed tomography and its potential in correlative imaging of the liver vasculature will be discussed.
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