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liver decellularization

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https://www.readbyqxmd.com/read/29338127/establishment-of-practical-recellularized-liver-graft-for-blood-perfusion-using-primary-rat-hepatocytes-and-liver-sinusoidal-endothelial-cells
#1
H Kojima, K Yasuchika, K Fukumitsu, T Ishii, S Ogiso, Y Miyauchi, R Yamaoka, T Kawai, H Katayama, E Y Yoshitoshi-Uebayashi, S Kita, K Yasuda, N Sasaki, J Komori, S Uemoto
Tissue decellularization produces a three-dimensional scaffold that can be potentially used to fabricate functional liver grafts following recellularization. An inappropriate cell distribution and clotting during blood perfusion hinder the practical use of recellularized livers. Here, we aimed to establish a seeding method for the optimal distribution of parenchymal and endothelial cells, and to evaluate the effect of liver sinusoidal endothelial cells (LSECs) in the decellularized liver. Primary rat hepatocytes and LSECs were seeded into decellularized whole-liver scaffolds via the biliary duct and portal vein, respectively...
January 16, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29247536/three-dimensional-liver-derived-extracellular-matrix-hydrogel-promotes-liver-organoids-function
#2
Mona Saheli, Mohammadmajid Sepantafar, Behshad Pournasr, Zahra Farzaneh, Massoud Vosough, Abbas Piryaei, Hossein Baharvand
An important advantage of employing extracellular matrix (ECM)-derived biomaterials in tissue engineering is the ability to tailor the biochemical and physical microenvironment of the cells. This study aims to assess whether three-dimensional (3D) liver-derived ECM hydrogel (LEMgel) promotes physiological function of liver organoids generated by self-organization of human hepatocarcinoma cells together with human mesenchymal and endothelial cells. We have optimized the decellularization method to fabricate liver ECM derived from sheep to preserve the greatest content of glycosaminoglycans, collagen, laminin and fibronectin in produced LEMgel...
December 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29222839/decellularized-human-liver-extracellular-matrix-hdlm-mediated-hepatic-differentiation-of-human-induced-pluripotent-stem-cells-hipsc
#3
Maria Jaramillo, Heidi Yeh, Martin L Yarmush, Basak E Uygun
Liver tissue engineering has emerged as a promising approach in organ transplantation, but has been hampered by the lack of a reliable and readily available cell source. Induced pluripotent cells (hiPSC) have been highlighted a desirable source, due to their differentiation potential, ability to self-renew and the possibility of making patient specific cells. We developed a decellularization protocol that efficiently removes cellular material, while retaining extracellular matrix components. Subsequently, hiPSC were differentiated on the decellularized human liver matrix (hDLM) scaffolds using an established hepatic differentiation protocol...
December 8, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29221151/collagen-i-promotes-hepatocellular-carcinoma-cell-proliferation-by-regulating-integrin-%C3%AE-1-fak-signaling-pathway-in-nonalcoholic-fatty-liver
#4
Xinglong Zheng, Wenyan Liu, Junxi Xiang, Peng Liu, Mengyun Ke, Bo Wang, Rongqian Wu, Yi Lv
Nonalcoholic fatty liver disease (NAFLD) has become a major risk factor for hepatocellular carcinoma (HCC) worldwide. However, the underlying mechanism remains insufficiently elucidated. The expression of Collagen I, an important component of extracellular matrix (ECM), was increased during the progression from simple steatosis to NASH. The purpose of this study was to investigate the role of Collagen I in NAFLD-related HCC. To study this, the decellularized liver matrix, which preserves the pathological changes of ECM, was prepared from the human fatty liver (FLM) and human normal liver (NLM)...
November 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29211918/decellularized-human-placenta-supports-hepatic-tissue-and-allows-rescue-in-acute-liver-failure
#5
Zurab Kakabadze, Anne Kakabadze, David Chakhunashvili, Lika Karalashvili, Ekaterine Berishvili, Yogeshwar Sharma, Sanjeev Gupta
Tissue engineering with scaffolds to form transplantable organs is of wide interest. Decellularized tissues have been tested for this purpose, although supplies of healthy donor tissues, vascular recellularization for perfusion and tissue homeostasis in engineered organs pose challenges. We hypothesized decellularized human placenta will be suitable for tissue engineering. The universal availability and unique structures of placenta for accommodating tissue, including presence of embedded vessels, were major attractions...
December 6, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29210278/decellularized-liver-matrix-modified-cryogel-scaffolds-as-potential-hepatocyte-carriers-in-bioartificial-liver-support-systems-and-implantable-liver-constructs
#6
Apeksha Damania, Anupam Kumar, Arun Kumar Teotia, Kimura Haruna, Masamichi Kamihira, Hiroyuki Ijima, Shiv Kumar Sarin, Ashok Kumar
Recent progress in the use of decellularized organ scaffolds as regenerative matrices for tissue engineering holds great promise in addressing the issue of donor organ shortage. Decellularization preserves the mechanical integrity, composition, and microvasculature critical for zonation of hepatocytes in the liver. Earlier studies have reported the possibility of repopulating decellularized matrices with hepatic cell lines or stem cells to improve liver regeneration. In this work, we study the versatility of decellularized liver matrix as a substrate coating of 3D cryogel scaffolds...
December 6, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29204185/bioengineering-considerations-in-liver-regenerative-medicine
#7
REVIEW
Ogechi Ogoke, Janet Oluwole, Natesh Parashurama
Background: Liver disease contributes significantly to global disease burden and is associated with rising incidence and escalating costs. It is likely that innovative approaches, arising from the emerging field of liver regenerative medicine, will counter these trends. Main body: Liver regenerative medicine is a rapidly expanding field based on a rich history of basic investigations into the nature of liver structure, physiology, development, regeneration, and function...
2017: Journal of Biological Engineering
https://www.readbyqxmd.com/read/29157906/novel-decellularized-liver-matrix-alginate-hybrid-gel-beads-for-the-3d-culture-of-hepatocellular-carcinoma-cells
#8
Dongsheng Sun, Yang Liu, Huihui Wang, Fei Deng, Ying Zhang, Shan Zhao, Xiaojun Ma, Huijian Wu, Guangwei Sun
Developing reliable three-dimensional (3D) cell culture systems that can mimic native tumor microenvironments is necessary for investigating the mechanism of hepatocellular carcinoma (HCC) metastasis and screen therapeutic drugs. In the present study, we developed decellularized liver matrix-alginate (DLM-ALG) hybrid gel beads. DLM powder was prepared by optimized decellularization methods and liquid nitrogen grinding. DLM-ALG beads were generated by dropping alginate solution containing DLM powder into a gelling bath...
November 17, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29152658/hepatic-differentiation-of-mouse-bone-marrow%C3%A2-derived-mesenchymal-stem-cells-using-a-novel-3d-culture-system
#9
Qiong Wu, Jing Tang, Yi Li, Li Li, Yujia Wang, Ji Bao, Hong Bu
The development of novel culture systems that mimic the in vivo microenvironment may be beneficial for inducing the differentiation of stem cells and promoting liver function. In the present study, spheroid cultures and decellularized liver scaffolds (DLSs) were utilized to obtain differentiated hepatocyte‑like cells. Mouse bone marrow (BM)‑derived mesenchymal stem cells (MSCs) self‑aggregated into spheroids under low‑attachment conditions and implanted into the DLSs via a negative pressure suction device...
October 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29104526/-tissue-papers-from-organ-specific-decellularized-extracellular-matrices
#10
Adam E Jakus, Monica M Laronda, Alexandra S Rashedi, Christina M Robinson, Chris Lee, Sumanas W Jordan, Kyle E Orwig, Teresa K Woodruff, Ramille N Shah
Using an innovative, tissue-independent approach to decellularized tissue processing and biomaterial fabrication, the development of a series of "tissue papers" derived from native porcine tissues/organs (heart, kidney, liver, muscle), native bovine tissue/organ (ovary and uterus), and purified bovine Achilles tendon collagen as a control from decellularized extracellular matrix particle ink suspensions cast into molds is described. Each tissue paper type has distinct microstructural characteristics as well as physical and mechanical properties, is capable of absorbing up to 300% of its own weight in liquid, and remains mechanically robust (E = 1-18 MPa) when hydrated; permitting it to be cut, rolled, folded, and sutured, as needed...
September 13, 2017: Advanced Functional Materials
https://www.readbyqxmd.com/read/29101679/simple-and-quick-method-to-obtain-a-decellularized-functional-liver-bioscaffold
#11
Matteo Ghiringhelli, Alessandro Zenobi, Stefano Brizzola, Fulvio Gandolfi, Valentino Bontempo, Sandro Rossi, Tiziana A L Brevini, Fabio Acocella
The development of new approaches for organ transplantation has become crucial in the last years. In particular, organ engineering, involving the preparation of acellular matrices that provide a natural habitat for reseeding with an appropriate population of cells, is an attractive although technically demanding approach. We here describe a method that allows for the derivation of functional in vitro hepatic organoids and that does not require a previous selection of all the parenchymal hepatocytes and non-parenchymal cells, namely, Kupffer cells, liver endothelial cells, and hepatic stellate cells...
November 4, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29101678/liver-bioengineering-using-decellularized-whole-liver-scaffolds
#12
Iris Pla-Palacín, Pilar Sainz-Arnal, Sara Morini, Manuel Almeida, Pedro M Baptista
Currently, due to the progress made in the field of regenerative medicine, whole-organ bioengineering is becoming a valid alternative to cope with the shortages of organs for transplantation. In this chapter, we describe the main techniques carried out for pig liver bioengineering, which serves as an essential model for future human liver bioengineering. These include porcine whole-liver decellularization, endothelial and mesenchymal stem cell isolation, porcine ES-derived hepatoblasts, and scaffold recellularization using a bioreactor perfusion system...
November 4, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29052367/decellularized-caprine-liver-extracellular-matrix-as-a-2d-substrate-coating-and-3d-hydrogel-platform-for-vascularized-liver-tissue-engineering
#13
Tarun Agarwal, Rajan Narayan, Somnath Maji, Sudip Kumar Ghosh, Tapas Kumar Maiti
Development of a vascularized liver tissue construct is a need of an hour to circumvent the current demand of liver transplantation in healthcare sector. An appropriate matrix must support liver cell viability, functionality, and development of microvasculature. With this perspective, here, we report the use of decellularized Caprine liver ECM (CLECM) derived hydrogel for tissue engineering applications. First, CLECM was used as a substrate coating material for 2D hepatocyte culture. HepG2 cells cultured on CLECM coated surface showed higher albumin, urea, glycogen and GAGs synthesis in comparison to collagen coated surface (taken as control for the study)...
October 19, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29017397/liver-scaffolds-support-survival-and-metabolic-function-of-multilineage-neonatal-allogenic-cells
#14
Wessam Hassanein, Arielle Cimeno, Avraham Werdesheim, Bryan Buckingham, Joshua Harrison, Mehmet C Uluer, Ali Khalifeh, Carlos Rivera-Pratts, Stephen Klepfer, Jhade D Woodall, Urmil Dhru, Elliot Bromberg, Dawn Parsell, Cinthia Drachenberg, Rolf N Barth, John C LaMattina
Organ scaffold bioengineering is currently limited by the inability to effectively repopulate the scaffold with appropriately distributed functional cells. We examined the feasibility of a decellularized liver scaffold to support the growth and function of multilineage allogenic cells derived from either adult or neonatal liver cells. Cell slurries from neonatal and adult rat livers containing hepatocytes, cholangiocytes, and endothelial cells were introduced into decellularized adult rat liver scaffolds via the bile duct...
October 10, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28972946/recent-advances-in-decellularization-and-recellularization-for-tissue-engineered-liver-grafts
#15
Yujia Wang, Clara T Nicolas, Harvey S Chen, Jeffery J Ross, Silvana B De Lorenzo, Scott L Nyberg
Liver transplantation from deceased or living human donors remains the only proven option for patients with end-stage liver disease. However, the shortage of donor organs is a significant clinical concern that has led to the pursuit of tissue-engineered liver grafts generated from decellularized liver extracellular matrix and functional cells. Investigative efforts on optimizing both liver decellularization and recellularization protocols have been made in recent decades. In the current review, we briefly summarize these advances, including the generation of high-quality liver extracellular matrix scaffolds, evaluation criteria for quality control, modification of matrix for enhanced properties, and reseeding strategies...
2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28879659/extracellular-matrix-particle-glycosaminoglycan-composite-hydrogels-for-regenerative-medicine-applications
#16
Vince Beachley, Garret Ma, Chris Papadimitriou, Matt Gibson, Michael Corvelli, Jennifer Elisseeff
Tissue extracellular matrix (ECM) is a complex material made up of fibrous proteins and ground substance (glycosaminoglycans, GAGs) that are secreted by cells. ECM contains important biological cues that modulate cell behaviors, and it also serves as a structural scaffold to which cells can adhere. For clinical applications, where immune rejection is a constraint, ECM can be processed using decellularization methods intended to remove cells and donor antigens from tissue or organs, while preserving native biological cues essential for cell growth and differentiation...
September 6, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28856614/decellularized-liver-scaffold-for-liver-regeneration
#17
Wei Yang, Renpei Xia, Yujun Zhang, Hongyu Zhang, Lianhua Bai
After being initially hailed as the ultimate solution to end-stage organ failure, such as end-stage liver disease (ESLD), engineering of vascularized tissues has stalled because of the need for a well-structured circulatory system that can maintain the cells to be seeded inside the construct.In the field of regenerative medicine, decellularized scaffolds, derived mainly from various non-autologous whole organs, have become an emerging treatment technique to overcome this obstacle. As a result of significant progress made in recent years, organogenesis through whole-organ decellularization scaffolds may now become more feasible than ever before...
August 31, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28851916/a-novel-three-dimensional-culture-system-maintaining-the-physiological-extracellular-matrix-of-fibrotic-model-livers-accelerates-progression-of-hepatocellular-carcinoma-cells
#18
Yuya Miyauchi, Kentaro Yasuchika, Ken Fukumitsu, Takamichi Ishii, Satoshi Ogiso, Takahito Minami, Hidenobu Kojima, Ryoya Yamaoka, Hokahiro Katayama, Takayuki Kawai, Elena Yukie Yoshitoshi-Uebayashi, Sadahiko Kita, Katsutaro Yasuda, Naoya Sasaki, Shinji Uemoto
Liver fibrosis is characterized by the progressive accumulation of extracellular matrix (ECM) and is a strong predictor of hepatocellular carcinoma (HCC) development and progression. However, the effect of ECM in fibrotic livers on HCC cells is poorly understood. The aims of this study were to create a new culture system that retained the natural ECM of fibrotic model livers and to establish whether natural ECM regulated the characteristics of HCC cells. Using an organ decellularization technique, we created a new culture system that preserved the tissue-specific ECM of fibrotic model livers from CCl4-treated rats...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28808979/decellularization-of-liver-and-organogenesis-in-rats
#19
Nana Shirakigawa, Hiroyuki Ijima
Recently, organ construction has been attempted using decellularized organs. In this study, we used decellularized rat liver to construct liver tissue by recellularization. The right lobe of the rat liver was decellularized with 4% Triton X-100 solution, recellularized with 10(7) rat hepatocytes, and albumin synthesis in the recellularized right lobe was observed. Therefore, we introduce a method of decellularizing rat liver, which retains its fine vascular structure after removal of all the cells, perform organogenesis using the decellularized liver, and evaluate the structural and functional properties of the products...
August 15, 2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28776092/hepatocytic-differentiation-of-ips-cells-on-decellularized-liver-tissue
#20
Mitsuhi Hirata, Tetsuji Yamaoka
Decellularized tissues (DETs) have been attracting great attention as scaffolds for tissue-engineering approaches. Recently, some studies have reported that decellularized liver tissues (DLT) can provide an excellent environment for the hepatocytic differentiation of hepatic stem/progenitor cells that were already committed to the hepatocyte lineage. However, the effects of DLT on the hepatocytic differentiation of induced pluripotent stem cells (iPSs) have not yet been established. Here we studied the hepatocytic differentiation of iPSs on DLT and decellularized heart tissues (DHT) in order to determine the tissue-specific effects of DETs on iPSs differentiation...
December 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
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