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https://www.readbyqxmd.com/read/27900108/high-dose-chemotherapy-with-autologous-peripheral-blood-stem-cell-transplantation-for-choriocarcinoma-a-case-report-and-literature-review
#1
Eiko Yamamoto, Kaoru Niimi, Kayo Fujikake, Tetsuya Nishida, Makoto Murata, Ayako Mitsuma, Yuichi Ando, Fumitaka Kikkawa
Choriocarcinoma is a malignant gestational trophoblastic neoplasia (GTN) and one of the curable types of gynecological cancer. However, 10% of choriocarcinoma patients have a poor prognosis, particularly when they have metastasis, apart from pulmonary metastasis, or do not go into remission by the second chemotherapeutic regimen. We herein present the case of a 36-year-old patient who had choriocarcinoma with metastases to the lungs, liver and kidneys. The 5th and 6th regimens with cisplatin for choriocarcinoma failed and the patient developed brain metastases...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27882948/the-non-canonical-wnt-receptor-ryk-regulates-hematopoietic-stem-cell-repopulation-in-part-by-controlling-proliferation-and-apoptosis
#2
Farbod Famili, Laura Garcia Perez, Brigitta Ae Naber, Jasprina N Noordermeer, Lee G Fradkin, Frank Jt Staal
The development of blood and immune cells requires strict control by various signaling pathways in order to regulate self-renewal, differentiation and apoptosis in stem and progenitor cells. Recent evidence indicates critical roles for the canonical and non-canonical Wnt pathways in hematopoiesis. The non-canonical Wnt pathway is important for establishment of cell polarity and cell migration and regulates apoptosis in the thymus. We here investigate the role of the non-canonical Wnt receptor Ryk in hematopoiesis and lymphoid development...
November 24, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27881141/analysis-of-epithelial-mesenchymal-transition-markers-in-the-histogenesis-of-hepatic-progenitor-cell-in-hbv-related-liver-diseases
#3
Wei Xu, Nong-Rong Wang, Hua-Feng Wang, Qiong Feng, Jun Deng, Zhi-Qiang Gong, Jian Sun, Xiao-Liang Lou, Xue-Feng Yu, Lv Zhou, Jin-Ping Hu, Xiao-Feng Huang, Xiao-Qing Qi, Yan-Juan Deng, Rui Gong, Yan Guo, Meng-Meng Wang, Jia-Cheng Xiao, Huan Deng
BACKGROUND: The origin and heterogeneity of hepatic progenitor cells (HPCs) remain unclear. This study aimed to investigate the involvement of epithelial-mesenchymal transition (EMT) in the histogenesis of HPCs. METHODS: Surgical liver specimens from patients with HBV-related hepatitis and cirrhosis were investigated with double immunofluorescence labeling to detect antigens associated with HPCs and EMT. Ductular reactions were subjected to quantitative reverse transcription PCR following isolation by laser capture microdissection...
November 24, 2016: Diagnostic Pathology
https://www.readbyqxmd.com/read/27880904/lyve1-marks-the-divergence-of-yolk-sac-definitive-hemogenic-endothelium-from-the-primitive-erythroid-lineage
#4
Lydia K Lee, Yasamine Ghorbanian, Wenyuan Wang, Yanling Wang, Yeon Joo Kim, Irving L Weissman, Matthew A Inlay, Hanna K A Mikkola
The contribution of the different waves and sites of developmental hematopoiesis to fetal and adult blood production remains unclear. Here, we identify lymphatic vessel endothelial hyaluronan receptor-1 (LYVE1) as a marker of yolk sac (YS) endothelium and definitive hematopoietic stem and progenitor cells (HSPCs). Endothelium in mid-gestation YS and vitelline vessels, but not the dorsal aorta and placenta, were labeled by Lyve1-Cre. Most YS HSPCs and erythro-myeloid progenitors were Lyve1-Cre lineage traced, but primitive erythroid cells were not, suggesting that they represent distinct lineages...
November 22, 2016: Cell Reports
https://www.readbyqxmd.com/read/27879410/triple-staining-including-foxa2-identifies-stem-cell-lineages-undergoing-hepatic-and-biliary-differentiation-in-cirrhotic-human-liver
#5
Charles E Rogler, Remon Bebawee, Joe Matarlo, Joseph Locker, Nicole Pattamanuch, Sanjeev Gupta, Leslie E Rogler
Recent investigations have reported many markers associated with human liver stem/progenitor cells, "oval cells," and identified "niches" in diseased livers where stem cells occur. However, there has remained a need to identify entire lineages of stem cells as they differentiate into bile ducts or hepatocytes. We have used combined immunohistochemical staining for a marker of hepatic commitment and specification (FOXA2 [Forkhead box A2]), hepatocyte maturation (Albumin and HepPar1), and features of bile ducts (CK19 [cytokeratin 19]) to identify lineages of stem cells differentiating toward the hepatocytic or bile ductular compartments of end-stage cirrhotic human liver...
November 22, 2016: Journal of Histochemistry and Cytochemistry: Official Journal of the Histochemistry Society
https://www.readbyqxmd.com/read/27878730/mesenchymal-epithelial-transition-in-culture-of-stromal-progenitor-cells-isolated-from-the-liver-of-a-patient-with-alcoholic-cirrhosis
#6
I V Kholodenko, R V Kholodenko, G V Manukyan, V V Burunova, K N Yarygin
The cells isolated from biopsy specimen of a patient with alcoholic liver cirrhosis and cultured under standard conditions for obtaining stromal cell culture clearly diverged during early passages into two morphologically and phenotypically different subtypes: epithelial and mesenchymal. Mesenchymal cells expressed CD90 and CD44 and epithelial cells expressed CD166, CD227, and hepatocyte growth factor receptor Met. Starting from passage 6, the culture underwent spontaneous morphological changes and by passages 8-10 contained only epithelium-like cells...
November 23, 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27867036/dna-methylation-dynamics-of-human-hematopoietic-stem-cell-differentiation
#7
Matthias Farlik, Florian Halbritter, Fabian Müller, Fizzah A Choudry, Peter Ebert, Johanna Klughammer, Samantha Farrow, Antonella Santoro, Valerio Ciaurro, Anthony Mathur, Rakesh Uppal, Hendrik G Stunnenberg, Willem H Ouwehand, Elisa Laurenti, Thomas Lengauer, Mattia Frontini, Christoph Bock
Hematopoietic stem cells give rise to all blood cells in a differentiation process that involves widespread epigenome remodeling. Here we present genome-wide reference maps of the associated DNA methylation dynamics. We used a meta-epigenomic approach that combines DNA methylation profiles across many small pools of cells and performed single-cell methylome sequencing to assess cell-to-cell heterogeneity. The resulting dataset identified characteristic differences between HSCs derived from fetal liver, cord blood, bone marrow, and peripheral blood...
December 1, 2016: Cell Stem Cell
https://www.readbyqxmd.com/read/27864114/lipopolysaccharide-promotes-tumorigenicity-of-hepatic-progenitor-cells-by-promoting-proliferation-and-blocking-normal-differentiation
#8
Xiao-Yong Li, Xue Yang, Qiu-Dong Zhao, Zhi-Peng Han, Lei Liang, Xiao-Rong Pan, Jing-Ni Zhu, Rong Li, Meng-Chao Wu, Li-Xin Wei
Hepatic progenitor cells (HPCs) are bipotential stem cells that can differentiate into mature hepatocytes or biliary epithelial cells (BECs). They are thought to be involved in repair of liver injury and the incidence of hepatic carcinoma. Their physiology is closely associated with the microenvironment where they reside. Lipopolysaccharide (LPS), an important component of the hepatic pathological microenvironment, is stored in the liver and affects many types of cells in various hepatosis. HPCs may also be influenced by LPS...
November 15, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27862115/pediatric-acute-liver-failure-of-undetermined-cause-a-research-workshop
#9
Estella M Alonso, Simon P Horslen, Edward M Behrens, Edward Doo
: Pediatric Acute liver failure (PALF) is a potentially devastating condition which occurs in previously healthy children of all ages and frequently leads to a rapid clinical deterioration. An identified cause for liver injury is lacking in approximately 30% of cases. Children with undetermined diagnosis have lower spontaneous survival and higher rates of transplantation and death than other diagnostic groups. A single day workshop sponsored by the National Institute of Diabetes and Digestive and Kidney Diseases brought together clinicians and basic scientists to integrate aligned research findings and develop a foundation for new mechanistic studies and future treatment trials...
November 14, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27859677/plane-of-nutrition-affects-growth-rate-organ-size-and-skeletal-muscle-satellite-cell-activity-in-newborn-calves
#10
M E MacGhee, J S Bradley, S R McCoski, A M Reeg, A D Ealy, S E Johnson
Plane of nutrition effects on body, tissue and cellular growth in the neonatal calf are poorly understood. The hypothesis that a low plane of nutrition (LPN) would limit skeletal muscle size by reducing fibre growth and muscle progenitor cell activity was tested. At birth, calves were randomly assigned to either a LPN (20% CP, 20% fat; GE=1.9 Mcal/days) or a high plane of nutrition (HPN; 27% CP, 10% fat, GE = 3.8 Mcal/days) in a 2 × 3 factorial design to test the impact of diet on neonatal calf growth, organ weight and skeletal muscle morphometry with time...
November 18, 2016: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/27853648/endothelial-progenitor-cell-number-and-erk-phosphorylation-serve-as-predictive-and-prognostic-biomarkers-in-advanced-hepatocellular-carcinoma-patients-treated-with-sorafenib
#11
Suresh Gopi Kalathil, Amit Anand Lugade, Renuka Iyer, Austin Miller, Yasmin Thanavala
Sorafenib is an oral anti-angiogenic multi-kinase inhibitor used for systemic therapy in patients with advanced hepatocellular carcinoma (HCC) who are not suitable candidates for surgery or liver transplantation. An earlier study conducted with HCC tumor tissue suggested that ERK phosphorylation (pERK), a downstream target of sorafenib, may serve as a potential biomarker for therapeutic efficacy of sorafenib. However, no study thus far has utilized a minimal invasive procedure to predict HCC patient responsiveness to sorafenib...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27848279/a-transcriptional-switch-point-during-hematopoietic-stem-and-progenitor-cell-ontogeny
#12
Daisuke Sugiyama, Anagha Joshi, Kasem Kulkeaw, Keai Sinn Tan, Tomoko Yokoo-Inoue, Chiyo Mizuochi-Yanagi, Kaori Yasuda, Atsushi Doi, Tadafumi Iino, Masayoshi Itoh, Sayaka Nagao-Sato, Kenzaburo Tani, Koichi Akashi, Yoshihide Hayashizaki, Harukazu Suzuki, Hideya Kawaji, Piero Carninci, Alistair R R Forrest
During mammalian embryogenesis, hematopoietic stem and progenitor cells (HSPCs) originate from mesoderm-derived endothelial cells in the aorta-gonad-mesonephros (AGM) region and placenta. Later, HSPCs expand in fetal liver and migrate to bone marrow shortly before birth. Understanding global transcriptional regulation governing HSPC emergence from embryonic stem/induced pluripotent stem cells is necessary to devise clinical applications, such as novel transplantation approaches. Here, to assess transcriptional dynamics during development, we performed cap analysis of gene expression (CAGE) on 10 developmental murine HSPC populations isolated from the AGM region, placenta, fetal liver and bone marrow and identified 15,681 transcripts across HSPC ontogeny...
November 16, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27830548/fetal-liver-stem-progenitor-cell-transplantation-a-model-to-study-tissue-mass-replacement-and-cell-based-therapies
#13
Mladen I Yovchev, Michael Oertel
Liver transplantation is the only therapeutic treatment for patients with end-stage liver diseases. However, donor organ scarcity is the major limitation, and therefore, alternative strategies are urgently needed. The ultimate goal for successful cell-based therapies is the ability of transplanted cells to efficiently engraft and reconstitute injured liver mass. To evaluate the repopulation capacity of transplanted cells, it is essential to identify their specific characteristics, as well as to study the mechanism(s) Through which transplanted donor cells replace tissue mass in hepatic microenvironments, using well-established cell transplantation models...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27830546/thy-1-cd90-positive-hepatic-progenitor-cells-hepatoctyes-and-non-parenchymal-liver-cells-isolated-from-human-livers
#14
Thomas S Weiss, Rania Dayoub
In response to liver injury, hepatic cells, especially hepatocytes, can rapidly proliferate to repair liver damage. Additionally, it was shown that under certain circumstances liver resident cells with progenitor capabilities are involved in liver cell proliferation and differentiation. These hepatic progenitor cells (HPCs), known as oval cells in rodents, are derived from the canals of Hering, which are located in the periportal region of the liver. Regarding to different cell niches, which were defined for human HPCs, several markers have been used to identify these cells such as CD34, c-kit, OV-6, and Thy-1 (CD90)...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27829832/members-of-the-cyr61-ctgf-nov-protein-family-emerging-players-in-hepatic-progenitor-cell-activation-and-intrahepatic-cholangiocarcinoma
#15
Qunfeng Wu, Marda Jorgensen, Joanna Song, Junmei Zhou, Chen Liu, Liya Pi
Hepatic stem/progenitor cells (HPC) reside quiescently in normal biliary trees and are activated in the form of ductular reactions during severe liver damage when the replicative ability of hepatocytes is inhibited. HPC niches are full of profibrotic stimuli favoring scarring and hepatocarcinogenesis. The Cyr61/CTGF/NOV (CCN) protein family consists of six members, CCN1/CYR61, CCN2/CTGF, CCN3/NOV, CCN4/WISP1, CCN5/WISP2, and CCN6/WISP3, which function as extracellular signaling modulators to mediate cell-matrix interaction during angiogenesis, wound healing, fibrosis, and tumorigenesis...
2016: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/27826058/the-progenitor-cell-dilemma-cellular-and-functional-heterogeneity-in-assistance-or-escalation-of-liver-injury
#16
REVIEW
Veronika Lukacs-Kornek, Frank Lammert
Liver progenitor cells (LPCs) are quiescent cells that are activated during liver injury and thought to give rise to hepatocytes and cholangiocytes in order to support liver regeneration and tissue restitution. While hepatocytes are capable of self-renewal, during most chronic injuries the proliferative capacity of hepatocytes is inhibited thus LPCs provide main source for regeneration. Despite extensive lineage tracing studies, their role and involvement in these processes are often controversial. Additionally, increasing evidence suggest that the LPC compartment consists of heterogeneous cell populations that are actively involved in cellular interactions with myeloid and lymphoid cells during regeneration...
November 5, 2016: Journal of Hepatology
https://www.readbyqxmd.com/read/27823982/angptl8-reverses-established-adriamycin-cardiomyopathy-by-stimulating-adult-cardiac-progenitor-cells
#17
Shuyuan Chen, Jiaxi Chen, Xing-Li Meng, Jin-Song Shen, Jing Huang, Pintong Huang, Zhaoxia Pu, Nathan H McNeill, Paul A Grayburn
Established adriamycin cardiomyopathy is a lethal disease. When congestive heart failure develops, mortality is approximately 50% in a year. It has been known that ANGPTLs has various functions in lipid metabolism, inflammation, cancer cell invasion, hematopoietic stem activity and diabetes. We hypothesized that ANGPTL8 is capable of maintaining heart function by stimulating adult cardiac progenitor cells to initiate myocardial regeneration. We employed UTMD to deliver piggybac transposon plasmids with the human ANGPTL8 gene to the liver of rats with adriamycin cardiomyopathy...
November 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27817226/-quo-vadis-hematology
#18
Zsolt Matula, Gyöngyi Kudlik, Veronika Urbán S, Ferenc Uher
For decades, developing hematopoietic cells have been strictly compartmentalized into a small population of multipotent self-renewing hematopoietic stem cells, multipotent hematopoietic progenitor cells that are undergoing commitment to myeloid or lymphoid fates, and unipotent precursor cells that mature towards peripheral blood and immune cells. Recent studies, however, have provided a battery of findings that cannot be explained by this "classical" hierarchical model for the architecture of hematopoiesis...
November 2016: Orvosi Hetilap
https://www.readbyqxmd.com/read/27796316/ductular-reaction-on-a-chip-microfluidic-co-cultures-to-study-stem-cell-fate-selection-during-liver-injury
#19
Amranul Haque, Pantea Gheibi, Gulnaz Stybayeva, Yandong Gao, Natalie Torok, Alexander Revzin
Liver injury modulates local microenvironment, triggering production of signals that instruct stem cell fate choices. In this study, we employed a microfluidic co-culture system to recreate important interactions in the liver stem cell niche, those between adult hepatocytes and liver progenitor cells (LPCs). We demonstrate that pluripotent stem cell-derived LPCs choose hepatic fate when cultured next to healthy hepatocytes but begin biliary differentiation program when co-cultured with injured hepatocytes. We connect this fate selection to skewing in production of hepatocyte growth factor (HGF) and transforming growth factor (TGF)-β1 caused by injury...
October 31, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27792746/fetal-lymphoid-progenitors-become-restricted-to-b-1-fates-coincident-with-il-7r%C3%AE-expression
#20
Ryuji Iida, Kaori Shinoda, Yuki Hayano, Yoshinori Nagai, Kiyoshi Takatsu, Taku Kouro
B-1 cells represent a sub-fraction of B lymphocytes that participate in T cell-independent antibody production and contribute to innate immunity. While the production of B-1 cells is favored during the fetal waves of lymphopoiesis, it has been unclear when and how that differentiation option is specified. To clarify this, lymphoid and hematopoietic progenitors of fetal liver (FL) and adult bone marrow (ABM) were examined for the B cell differentiation potential. Mouse common lymphoid progenitors (CLPs) and more primitive KSL fraction of FL and ABM were transferred to SCID mice and donor-derived B cell subsets were analyzed 4 weeks later...
2016: PloS One
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