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Liver regeneration

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https://www.readbyqxmd.com/read/29338386/estrogen-estrogen-receptor-%C3%AE-signaling-facilitates-bilirubin-metabolism-in-regenerating-liver-through-regulating-cytochrome-p450-2a6-expression
#1
Ta-Lun Kao, Yao-Li Chen, Yu-Ping Kuan, Wei-Chun Chang, Yu-Chen Ho, Shuyuan Yeh, Long-Bin Jeng, Wen-Lung Ma
BACKGROUND: After living donor liver transplantation (LDLT), rising serum bilirubin levels commonly indicate insufficient numbers of hepatocytes are available to metabolize bilirubin into biliverdin. Recovery of bilirubin levels is an important marker of hepatocyte repopulation after LDLT. Cytochrome P450 (CYP) 2A6 in humans (or cyp2a4 in rodents) can function as "bilirubin oxidase." Functional hepatocytes contain abundant CYP2A6, which is considered a marker for hepatocyte function recovery...
November 2017: Cell Transplantation
https://www.readbyqxmd.com/read/29336497/effects-of-treatment-with-maraviroc-a-ccr5-inhibitor-on-a-human-hepatic-stellate-cell-line
#2
N Coppola, A Perna, A Lucariello, S Martini, M Macera, M A Carleo, G Guerra, V Esposito, A De Luca
After an acute liver damage, tissue regeneration repairs lesions with degradation of deposed fibrotic material, while mechanisms of tissue restoration are persistently activated following several repeated injuries, inducing deposition of extracellular matrix. (ECM). Factors responsible for ECM remodeling have been identified in a pathway involving a family of zinc-dependent enzyme matrix metalloproteinases (MMPs), together with tissue inhibitor of metalloproteinases (TIMPs). Recent experimental models suggested a role of CCR5 receptor in the genesis of liver fibrosis...
January 16, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29329377/endometrial-stem-cell-derived-g-csf-attenuates-endometrial-fibrosis-via-sonic-hedgehog-transcriptional-activator-gli2
#3
Xiaona Lin, Yanling Zhang, Yibin Pan, Shilin He, Yongdong Dai, Bingqing Zhu, Cheng Wei, Liaobing Xin, Wenzhi Xu, Chunsheng Xiang, Songying Zhang
Intrauterine adhesion (IUA) is characterized by endometrial fibrosis, which ultimately leads to menstrual abnormalities, infertility and recurrent miscarriages. The Shh/Gli2 pathway plays a critical role in tissue fibrogenesis and regeneration; Gli2 activation induces profibrogenic effects in various tissues, such as the liver and kidney. However, the role of Gli2 in endometrial fibrosis remains unknown. The purpose of this study was to test the hypothesis that activated Gli2 promotes endometrial fibrosis. Endometrial samples from moderate and severe IUA patients exhibited significantly enhanced expression of Gli2 compared with normal endometrial samples and mild IUA samples...
January 10, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29325286/-research-advances-in-the-role-of-the-hippo-yap-taz-signaling-pathway-in-primary-liver-cancer
#4
L W Guo, G L Shao
The Hippo-YAP/TAZ signaling pathway is an evolutionarily conserved pathway, which has been confirmed to play an important role in organ volume control, stem cell function, tissue regeneration, and tumorigenesis. Recent research findings show that the Hippo-YAP/TAZ signaling pathway is closely associated with the development and progression of primary liver cancer, and inhibition of the activity of this pathway may be a new method for the treatment of liver cancer. This article reviews the research advances in the role of the Hippo-YAP/TAZ signaling pathway in primary liver cancer...
November 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/29323715/alleviation-of-palmitic-acid-induced-endoplasmic-reticulum-stress-by-augmenter-of-liver-regeneration-through-ip3r-controlled-ca2-release
#5
Wei-Chun Xiao, Zhang Jing, Si-Li Chen, Yi-Jun Shi, Fan Xiao, Wei An
The aberrant release of Ca2+ from the endoplasmic reticulum (ER) contributes to the onset of ER stress, which is closely related to the pathogenesis of non-alcoholic fatty liver disease. We previously reported that augmenter of liver regeneration (ALR) alleviates ER stress and protects hepatocytes from lipotoxicity. However, the link between ALR protection and the suppression of ER stress remains unclear. In this study, we investigated whether the protection against liver steatosis afforded by ALR is related to its inhibition of calcium overflow from the ER to the mitochondria...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29322010/beneficiary-effect-of-commiphora-mukul-ethanolic-extract-against-high-fructose-diet-induced-abnormalities-in-carbohydrate-and-lipid-metabolism-in-wistar-rats
#6
Ramesh Bellamkonda, Rasineni Karuna, Bongu Sasi Bhusana Rao, Ketham Haritha, Bengeppagari Manjunatha, Somavarapu Silpa, Desireddy Saralakumari
The present study was proposed to elucidate the effect of Commiphora mukul gum resin elthanolic extract treatment on alterations in carbohydrate and lipid metabolisms in rats fed with high-fructose diet. Male Wistar rats were divided into four groups: two of these groups (group C and C+CM) were fed with standard pellet diet and the other two groups (group F and F+CM) were fed with high fructose (66 %) diet. C. mukul suspension in 5% Tween-80 in distilled water (200 mg/kg body weight/day) was administered orally to group C+CM and group F+CM...
January 2018: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29317320/molecular-cloning-characterization-and-expression-analysis-of-the-three-cysteine-and-glycine-rich-protein-genes-in-the-chinese-fire-bellied-newt-cynops-orientalis
#7
Yalong Feng, Juantao Feng, Hanxue Zheng, Wenjun Wang, Fulin Chen, Yuan Yu, Jihong Cui
The cysteine- and glycine-rich protein (CRP) family members, including the cysteine- and glycine-rich protein 1 (CSRP1), cysteine- and glycine-rich protein 2 (CSRP2), and the cysteine- and glycine-rich protein 3 (CSRP3), have exhibited various cellular functions during cell development and differentiation. However, the sequences of the three CSRP genes and their functions are still poorly understood in newts. In this study, we cloned the complete open reading frame (ORF) sequences of the three CSRP genes from the Chinese fire-bellied newt, Cynops orientalis (C...
January 6, 2018: Gene
https://www.readbyqxmd.com/read/29312979/bone-morphogenetic-protein-9-activin-like-kinase-1-axis-a-new-target-for-hepatic-regeneration-and-fibrosis-treatment-in-liver-injury
#8
EDITORIAL
Montserrat Marí, Albert Morales
No abstract text is available yet for this article.
December 2017: Hepatobiliary Surgery and Nutrition
https://www.readbyqxmd.com/read/29312604/serum-amyloid-a-induces-m2b-like-macrophage-polarization-during-liver-inflammation
#9
Yibin Wang, Haijun Huang, Renhua Sun, Bingyu Chen, Fang Han, Qian Li, Yin Ni, Xi Li, Jingquan Liu, Xiaozhou Mou, Yuexing Tu
Hepatitis causes hepatic cell injury, regeneration and different levels of fibrogenesis, and severe liver fibrogenesis progresses into cirrhosis with liver dysfunction. Serum amyloid A (SAA) is an acute phase protein that is predominantly secreted by hepatocytes during early injury or infection. Nevertheless, the relationship of SAA and development of cirrhosis as well as the underlying molecular mechanisms is largely unknown. Here, we found that macrophages are the major SAA-binding cells in the injured liver...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29310097/facile-hydrothermal-synthesis-of-branched-polyethylenimine-grafted-electrospun-polyacrylonitrile-fiber-membrane-as-a-highly-efficient-and-reusable-bilirubin-adsorbent-in-hemoperfusion
#10
Rui Zhao, Yumei Li, Xiang Li, Yanzi Li, Bolun Sun, Shen Chao, Ce Wang
Bilirubin is a pathogenic toxin in the blood of patients with liver failure, and bilirubin adsorbents have been applied to remove the extra bilirubin in hemoperfusion. However, the developing of high-performance adsorbents with satisfying removal ability, physical/chemical stability, biocompatibility and hemocompatibility still needs to be explored. In this study, branched polyethylenimine (bPEI) grafted electrospun polyacrylonitrile (PAN) fiber membrane (bPEIPANFM) was fabricated via a green hydrothermal process...
December 22, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29303509/hippo-pathway-coactivators-yap-and-taz-are-required-to-coordinate-mammalian-liver-regeneration
#11
Li Lu, Milton J Finegold, Randy L Johnson
The mammalian liver has a remarkable capacity for repair following injury. Removal of up to two-third of liver mass results in a series of events that include extracellular matrix remodeling, coordinated hepatic cell cycle re-entry, restoration of liver mass and tissue remodeling to return the damaged liver to its normal state. Although there has been considerable advancement of our knowledge concerning the regenerative capacity of the mammalian liver, many outstanding questions remaining, such as: how does the regenerating liver stop proliferating when appropriate mass is restored and how do these mechanisms relate to normal regulation of organ size during development? Hippo pathway has been proposed to be central in mediating both events: organ size control during development and following regeneration...
January 5, 2018: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29295498/bmp-signalling-at-the-crossroad-of-liver-fibrosis-and-regeneration
#12
REVIEW
Blanca Herrera, Annalisa Addante, Aránzazu Sánchez
Bone Morphogenetic Proteins (BMPs) belong to the Transforming Growth Factor-β (TGF-β) family. Initially identified due to their ability to induce bone formation, they are now known to have multiple functions in a variety of tissues, being critical not only during development for tissue morphogenesis and organogenesis but also during adult tissue homeostasis. This review focus on the liver as a target tissue for BMPs actions, devoting most efforts to summarize our knowledge on their recently recognized and/or emerging roles on regulation of the liver regenerative response to various insults, either acute or chronic and their effects on development and progression of liver fibrosis in different pathological conditions...
December 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29291400/liver-organ-on-a-chip
#13
REVIEW
Colin H Beckwitt, Amanda M Clark, Sarah Wheeler, D Lansing Taylor, Donna B Stolz, Linda Griffith, Alan Wells
The liver plays critical roles in both homeostasis and pathology. It is the major site of drug metabolism in the body and, as such, a common target for drug-induced toxicity and is susceptible to a wide range of diseases. In contrast to other solid organs, the liver possesses the unique ability to regenerate. The physiological importance and plasticity of this organ make it a crucial system of study to better understand human physiology, disease, and response to exogenous compounds. The purpose of this review is to inform the reader of the significance and available methods for replicating human liver physiology and pathology ex vivo...
December 29, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/29290803/glutathione-peroxidase-3-delivered-by-hipsc-mscs-ameliorated-hepatic-ir-injury-via-inhibition-of-hepatic-senescence
#14
Xiang Qi, Kevin Tak-Pan Ng, Qizhou Lian, Chang Xian Li, Wei Geng, Chang Chun Ling, Wai Ho Yeung, Yuen Yuen Ma, Xiao Bing Liu, Hui Liu, Jiang Liu, Xin Xiang Yang, Chung Mau Lo, Kwan Man
Background and Aims: Down-regulation of GPx3 accelerated hepatic senescence, which further caused overwhelming inflammation and severe liver graft injury. MSCs derived from human induced pluripotent stem cells (hiPSC-MSCs) have been developed as more efficient delivery vehicle with the property of injury tropism. Here, we aimed to explore the suppressive role of GPx3 in hepatic IR injury using novel delivery system of hiPSC-MSCs. Methods: The mice IR injury model with partial hepatectomy was established. The engineered hiPSC-MSCs delivering GPx3 was constructed...
2018: Theranostics
https://www.readbyqxmd.com/read/29290764/aminoacylase-3-is-a-new-potential-marker-and-therapeutic-target-in-hepatocellular-carcinoma
#15
Kirill Tsirulnikov, Sergio Duarte, Anamika Ray, Nakul Datta, Ali Zarrinpar, Lin Hwang, Kym Faull, Alexander Pushkin, Ira Kurtz
Ras proteins (HRas, KRas and NRas) are common oncogenes that require membrane association for activation. Previous approaches to block/inhibit Ras membrane association were unsuccessful for cancer treatment in human clinical studies. In the present study we utilized a new approach to decrease Ras membrane association in hepatocellular carcinoma (HCC) cell lines via inhibition of an enzyme aminoacylase 3 (AA3; EC 3.5.1.114). AA3 expression was significantly elevated in the livers of HCC patients and HCC cell lines...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29290501/the-metabolic-microenvironment-steers-bone-tissue-regeneration
#16
REVIEW
Julia Loeffler, Georg N Duda, F Andrea Sass, Anke Dienelt
Over the past years, basic findings in cancer research have revealed metabolic symbiosis between different cell types to cope with high energy demands under limited nutrient availability. Although this also applies to regenerating tissues with disrupted physiological nutrient and oxygen supply, the impact of this metabolic cooperation and metabolic reprogramming on cellular development, fate, and function during tissue regeneration has widely been neglected so far. With this review, we aim to provide a schematic overview on metabolic links that have a high potential to drive tissue regeneration...
December 28, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/29289644/matrix-metalloproteinases-and-liver-fibrosis-translational-aspects
#17
REVIEW
Elke Roeb
Liver fibrosis, a reversible wound-healing response to chronic cellular injury, reflects a balance between liver repair and progressive substitution of the liver parenchyma by scar tissue. Complex mechanisms that underlie liver fibrogenesis are summarized to provide the basis for generating targeted therapies to reverse fibrogenesis and improve the outcomes of patients with chronic liver disease. This minireview presents some pathophysiological aspects of liver fibrosis as a dynamic process and elucidates matrix metalloproteinases (MMPs) and their role within as well as beyond matrix degradation...
December 28, 2017: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29288565/high-and-long-term-von-willebrand-factor-expression-after-sleeping-beauty-transposon-mediated-gene-therapy-in-a-mouse-model-of-severe-von-willebrand-disease
#18
Irina Portier, Karen Vanhoorelbeke, Sebastien Verhenne, Inge Pareyn, Nele Vandeputte, Hans Deckmyn, Daniel S Goldenberg, Himanshu B Samal, Manvendra Singh, Zoltán Ivics, Zsuzsanna Izsvák, Simon F De Meyer
BACKGROUND: Type 3 von Willebrand disease (VWD) is characterized by complete absence of von Willebrand factor (VWF). Current therapy is limited to treatment with exogenous VWF/FVIII products, which only provide a short-term solution. Gene therapy offers the potential for a long-term treatment for VWD. OBJECTIVES: To develop an integrative Sleeping Beauty (SB) transposon-mediated VWF gene transfer approach in a preclinical mouse model of severe VWD. METHODS: We established a robust platform for sustained transgene murine (m)VWF expression in the liver of Vwf-/- mice by combining a liver-specific promoter with a sandwich transposon design and the SB100X transposase via hydrodynamic gene delivery...
December 29, 2017: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29288124/adult-hepatocytes-direct-liver-organogenesis-through-non-parenchymal-cell-recruitment-in-the-kidney
#19
Rie Utoh, Junji Komori, Hiroyuki Kuge, Kohei Tatsumi, Masumi Yamada, Shinji Hirohashi, Masahiro Tsutsumi, Toshihiro Amanuma, Akira Yoshioka, Yoshiyuki Nakajima, Kenjiro Wake, Teruo Okano, Eric Lagasse, Kazuo Ohashi
BACKGROUND & AIMS: Since the first account of the myth of Prometheus, the amazing regenerative capacity of the liver has fascinated researchers due to its enormous medical potential. Liver regeneration is promoted by multiple types of liver cells, including hepatocytes and liver non-parenchymal cells (NPCs), through the complex intercellular signaling. However, the liver organogenetic mechanism, especially the role of adult hepatocytes at ectopic sites, remains unknown. In this study, we demonstrate that hepatocytes alone spurred liver organogenesis to form an organ-sized complex 3D liver that exhibited native liver architecture and functions in the kidneys of mice...
December 26, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/29286119/perioperative-oral-supplementation-with-fish-oil-promotes-liver-regeneration-following-partial-hepatectomy-in-mice-via-ampk-activation
#20
Hui Yao, Xiao Fu, Xuejian Zi, Wenjun Jia, Yudong Qiu
The present study aimed to observe the effects of perioperative oral supplementation with fish oil (FO) on liver regeneration in mice and examine the potential mechanism. A total of 120 male ICR mice were randomly divided into 5 groups: Sham, Control, fish oil (FO), Compound C [the AMP‑activated protein kinase (AMPK) inhibitor dorsomorphin], and Compound C + FO. Changes in liver function, alterations in hepatocyte proliferation and in the expression of polarization markers, and activation of AMPK signaling were examined following partial hepatectomy (PH)...
December 27, 2017: Molecular Medicine Reports
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