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https://www.readbyqxmd.com/read/28091913/regenerative-potential-of-stem-and-progenitor-cells-from-ischemic-testes-of-c57bl-6-mice-in-culture-and-in-the-model-of-spermatogenesis-suppression-caused-by-busulfan
#1
E G Skurikhin, A V Pakhomova, O V Pershina, L A Ermolaeva, N N Ermakova, V A Krupin, E S Pan, A I Kudryashova, O Yu Rybalkina, V V Zhdanov, V E Goldberg, A M Dygai
The regenerative potential of stem and progenitor cells from ischemic testes of C57Bl/6 mice was studied in vitro (cell culture) and in vivo (mouse model of busulfan-induced suppression of spermatogenesis). Spermatogonial stem cells with phenotypes CD117(-)CD90(+) and CD51(-)CD24(+)CD52(+) from ischemic testes demonstrated 33-fold and 7-fold increments of cell mass and generated colonies in vitro. Epithelial (CD45(-)CD31(-)Sca-1(+)CD49f(+)) and endothelial (CD45(-)CD31(+)) precursors exhibited lower self-renewal capacity...
January 14, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28075524/topk-t-lak-cell-originated-protein-kinase-inhibitor-exhibits-growth-suppressive-effect-on-small-cell-lung-cancer
#2
Jae-Hyun Park, Hiroyuki Inoue, Taigo Kato, Makda Zewde, Takashi Miyamoto, Yo Matsuo, Ravi Salgia, Yusuke Nakamura
T-lymphokine-activated killer cell-originated protein kinase (TOPK) plays critical roles in cancer cell proliferation as well as maintenance of cancer stem cells (CSC). Small cell lung cancer (SCLC) has highly aggressive phenotype, reveals early spread to distant sites, and results in dismal prognosis with little effective treatment. In this study, we demonstrate that TOPK expression was highly upregulated in both SCLC cell lines and primary tumors. Similar to siRNA-mediated TOPK knockdown effects, treatment with a potent TOPK inhibitor, OTS514, effectively suppressed growth of SCLC cell lines (IC50 ; 0...
January 11, 2017: Cancer Science
https://www.readbyqxmd.com/read/28070458/characterization-of-adipose-tissue-macrophages-and-adipose-derived-stem-cells-in-critical-wounds
#3
Bong-Sung Kim, Pathricia V Tilstam, Katrin Springenberg-Jung, Arne Hendrick Boecker, Corinna Schmitz, Daniel Heinrichs, Soo Seok Hwang, Jan Philipp Stromps, Bergita Ganse, Ruedger Kopp, Matthias Knobe, Juergen Bernhagen, Norbert Pallua, Richard Bucala
BACKGROUND: Subcutaneous adipose tissue is a rich source of adipose tissue macrophages and adipose-derived stem cells which both play a key role in wound repair. While macrophages can be divided into the classically-activated M1 and the alternatively-activated M2 phenotype, ASCs are characterized by the expression of specific stem cell markers. METHODS: In the present study, we have investigated the expression of common macrophage polarization and stem cell markers in acutely inflamed adipose tissue...
2017: PeerJ
https://www.readbyqxmd.com/read/28070037/-bm-mscs-from-wuzhishan-mini-pigs-delay-the-progress-of-renal-fibrosis-induced-by-chronic-kidney-disease-through-%C3%A2-autocrine-hepatocyte-growth-factor-in-vitro
#4
Yang Xiang, Jiale Long, Jiansheng Xing, Yuanhui Gao, Qing Cheng, Yong Cai, Zhenxiang Liu, Shufang Zhang, Lie Chen, Chao Yang, Zhiming Bai
To isolate bone marrow mesenchymal stem cells (BM-MSCs) and establish the model of chronic kidney disease (CKD) of Wuzhishan (WZS) mini-pig, and to study the repairment effect of BM-MSCs on CKD-induced renal fibrosis in vitro.
 Methods: Density gradient method was used to isolate and culture BM-MSCs. The cells were verified by morphology, phenotype, differentiation and so on. The left partial ureteral obstruction (LPUUO) was used to establish the CKD model, which was evaluated by B-ultrasound, single-photon emission computed tomography (SPECT), HE and Masson staining...
December 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28058621/mesenchymal-stroma-cells-in-peritoneal-dialysis-effluents-from-patients
#5
Bin Liu, Qiunong Guan, Jing Li, Gerald da Roza, Hao Wang, Caigan Du
Mesenchymal stroma cells (MSCs) have potential as an emerging cell therapy for treating many different diseases, but discovery of the practical sources of MSCs is needed for the large-scale clinical application of this therapy. This study was to identify MSCs in peritoneal dialysis (PD) effluents that were discarded after PD. The effluents were collected from patients who were on the dialysis for less than 1 month. Adherent cells from the effluents were isolated by incubation in serum-containing medium in plastic culture dishes...
January 5, 2017: Human Cell
https://www.readbyqxmd.com/read/28055225/overexpression-of-prox1-induces-the-differentiation-of-human-adipose-derived-stem-cells-into-lymphatic-endothelial-like-cells-in-vitro
#6
Jingcheng Deng, Tingting Dai, Yiyu Sun, Qi Zhang, Zhaohua Jiang, Shengli Li, Weigang Cao
Constant levels of homeobox transcription factor Prox1 expression are required throughout the life of lymphatic endothelial cells (LECs) to maintain their differentiated identity. Recent studies have demonstrated that using human LECs for cell transplantation therapy may improve secondary lymphedema in a nude rat model. However, the application is currently limited by the low yield of LECs. In this study, Prox1 was overexpressed in human adipose tissue-derived stem cells (hADSCs) by using the transfection of lentiviral vectors to induce the differentiation of hADSCs to LECs...
January 5, 2017: Cellular Reprogramming
https://www.readbyqxmd.com/read/28042333/nanosized-ucmsc-derived-extracellular-vesicles-but-not-conditioned-medium-exclusively-inhibit-the-inflammatory-response-of-stimulated-t-cells-implications-for-nanomedicine
#7
Marta Monguió-Tortajada, Santiago Roura, Carolina Gálvez-Montón, Josep Maria Pujal, Gemma Aran, Lucía Sanjurjo, Marcel la Franquesa, Maria-Rosa Sarrias, Antoni Bayes-Genis, Francesc E Borràs
Undesired immune responses have drastically hampered outcomes after allogeneic organ transplantation and cell therapy, and also lead to inflammatory diseases and autoimmunity. Umbilical cord mesenchymal stem cells (UCMSCs) have powerful regenerative and immunomodulatory potential, and their secreted extracellular vesicles (EVs) are envisaged as a promising natural source of nanoparticles to increase outcomes in organ transplantation and control inflammatory diseases. However, poor EV preparations containing highly-abundant soluble proteins may mask genuine vesicular-associated functions and provide misleading data...
2017: Theranostics
https://www.readbyqxmd.com/read/28040463/umbilical-cord-tissue-derived-mesenchymal-stromal-cells-maintain-immunomodulatory-and-angiogenic-potencies-after-cryopreservation-and-subsequent-thawing
#8
Rita N Bárcia, Jorge M Santos, Mariana Teixeira, Mariana Filipe, Ana Rita S Pereira, Augusto Ministro, Ana Água-Doce, Manuela Carvalheiro, Maria Manuela Gaspar, Joana P Miranda, Luis Graça, Sandra Simões, Susana Constantino Rosa Santos, Pedro Cruz, Helder Cruz
BACKGROUND AIMS: The effect of cryopreservation on mesenchymal stromal cell (MSC) therapeutic properties has become highly controversial. However, data thus far have indiscriminately involved the assessment of different types of MSCs with distinct production processes. This study assumed that MSC-based products are affected differently depending on the tissue source and manufacturing process and analyzed the effect of cryopreservation on a specific population of umbilical cord tissue-derived MSCs (UC-MSCs), UCX(®)...
December 28, 2016: Cytotherapy
https://www.readbyqxmd.com/read/28040084/do-skeletal-muscle-mscs-in-humans-contribute-to-bone-repair-a-systematic-review
#9
Heather Owston, Peter V Giannoudis, Elena Jones
Mesenchymal stem cells (MSC) from bone marrow and periosteum are known to be heavily involved in fracture repair and bone regeneration is thought to be impaired when the surrounding skeletal muscle is damaged. Recent literature from mouse in vivo models suggest that cells originating from skeletal muscle can occupy a fracture callus during open fracture repair when periosteum is compromised. This systematic review set out to ascertain whether there are MSCs residing in human skeletal muscle and whether cells from human skeletal muscle are capable of forming bone in vitro and in vivo...
December 2016: Injury
https://www.readbyqxmd.com/read/28039356/immunophenotyping-and-transcriptomic-outcomes-in-pdx-derived-tnbc-tissue
#10
Eileen Snowden, Warren Porter, Friedrich Hahn, Mitchell Ferguson, Frances Tong, Joel S Parker, Aaron Middlebrook, Smita Ghanekar, W Shannon Dillmore, Rainer Blaesius
: Cancer tissue functions as an ecosystem of a diverse set of cells that interact in a complex tumor microenvironment (TME). Genomic tools applied to biopsies in bulk fail to account for this tumor heterogeneity while single cell imaging methods limit the number of cells which can be assessed or are very resource intensive. The current study presents methods based on flow cytometric analysis and cell sorting using known cell surface markers (eg, CD184, CD24, CD90) to identify and interrogate distinct groups of cells in triple-negative breast cancer (TNBC) clinical biopsy specimens from patient-derived xenograft (PDX) models...
December 30, 2016: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28034554/biological-characters-of-human-dermal-fibroblasts-derived-from-foreskin-of-male-infertile-patients
#11
Fang Fang, Ke Ni, Yiting Cai, Zhen Ye, Jin Shang, Shiliang Shen, Chengliang Xiong
Dermal fibroblasts play a vital role in maintaining skin function. They not only synthesize and secrete extracellular matrix molecules, but also produce a complex mixture of bioactive factors, which both contribute to immune regulation and wound healing. Fibroblasts isolated from skin tissue exhibit wide range of potentials, especially in regenerative medicine. The use of fibroblast cultures for medical purposes requires standardization of cell preparations. To achieve this, we isolated and characterized dermal fibroblasts from human foreskin with a standardized method...
December 8, 2016: Tissue & Cell
https://www.readbyqxmd.com/read/28032398/cultivation-and-characterisation-of-the-surface-markers-and-carbohydrate-profile-of-human-corneal-endothelial-cells
#12
Richárd Nagymihály, Zoltán Veréb, Réka Albert, Laura Sidney, Harminder Dua, Andrew Hopkinson, Goran Petrovski
BACKGROUND: To characterise human corneal endothelial cell (HCEnC) cultures generated by the peel-and-digest method based on their surface protein/carbohydrate expression pattern. METHODS: QPCR was used to compare expression of Vimentin, CD90, Cytokeratin-19, ZO-1, Claudin 14 in cultured HCEnC and cell line B4G12 versus stromal cells. Fluorescence-activated cell sorting (FACS) was used to assess surface protein distribution of cultured and uncultured HCEnC. Distribution of surface proteins/ carbohydrates was visualised by immunofluorescent and lectin staining...
December 29, 2016: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28017358/differentiation-of-mesenchymal-stem-cells-from-human-amniotic-fluid-to-vascular-endothelial-cells
#13
Waleephan Tancharoen, Sirinda Aungsuchawan, Peraphan Pothacharoen, Runchana Markmee, Suteera Narakornsak, Junjira Kieodee, Nonglak Boonma, Witoon Tasuya
Endothelial dysfunction is a principle feature of vascular-related disease. Endothelial cells have been acquired for the purposes of the restoration of damaged tissue in therapeutic angiogenesis. However, their use is limited by expansion capacity and the small amount of cells that are obtained. Human amniotic fluid mesenchymal stem cells (hAF-MSCs) are considered an important source for vascular tissue engineering. In this study, hAF-MSCs were characterized and then induced in order to differentiate into the endothelial-like cells...
December 22, 2016: Acta Histochemica
https://www.readbyqxmd.com/read/28005443/identification-and-characterization-of-adult-mouse-meniscus-stem-progenitor-cells
#14
Laura W Gamer, Rui Rui Shi, Ashira Gendelman, Dylan Mathewson, Jackson Gamer, Vicki Rosen
Meniscal damage is a common problem that accelerates the onset of knee osteoarthritis. Stem cell based tissue engineering treatment approaches have shown promise in preserving meniscal tissue and restoring meniscal function. The purpose of our study was to identify meniscus-derived stem/progenitor cells (MSPCs) from mouse, a model system that allows for in vivo analysis of the mechanisms underlying meniscal injury and healing. MSPCs were isolated from murine menisci grown in explant culture and characterized for stem cell properties...
December 22, 2016: Connective Tissue Research
https://www.readbyqxmd.com/read/28003831/in-vitro-osteogenic-potential-of-green-fluorescent-protein-labelled-human-embryonic-stem-cell-derived-osteoprogenitors
#15
Intekhab Islam, Gopu Sriram, Mingming Li, Yu Zou, Lulu Li, Harish K Handral, Vinicus Rosa, Tong Cao
Cellular therapy using stem cells in bone regeneration has gained increasing interest. Various studies suggest the clinical utility of osteoprogenitors-like mesenchymal stem cells in bone regeneration. However, limited availability of mesenchymal stem cells and conflicting evidence on their therapeutic efficacy limit their clinical application. Human embryonic stem cells (hESCs) are potentially an unlimited source of healthy and functional osteoprogenitors (OPs) that could be utilized for bone regenerative applications...
2016: Stem Cells International
https://www.readbyqxmd.com/read/28000839/il-1%C3%AE-impedes-the-chondrogenic-differentiation-of-synovial-fluid-mesenchymal-stem-cells-in-the-human-temporomandibular-joint
#16
Wenjing Liu, Yangpeng Sun, Yiqing He, Hong Zhang, Youhua Zheng, Yu Yao, Zhiguang Zhang
Mesenchymal stem cell-based therapy has great therapeutic potential for temporomandibular joint (TMJ) cartilage repair. However, the behavior of mesenchymal stem cells in the inflammatory milieu following their delivery remains poorly understood. Synovial fluid-derived mesenchymal stem cells (SFMSCs) are a promising resource for TMJ cartilage repair, as they are easily obtained from patients with TMJ disorders (TMD). In this study, we obtained SFMSCs from patients with TMD and expanded them in vitro; we then stimulated the cells with interleukin (IL)‑8, IL-1β, IL-6, IL-10, tumor necrosis factor (TNF)-α and IL-12p...
December 15, 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/27998209/immunodepletion-and-hypoxia-preconditioning-of-mouse-compact-bone-cells-as-a-novel-protocol-to-isolate-highly-immunosuppressive-mesenchymal-stem-cells
#17
Kisha Nandini Sivanathan, Stan Gronthos, Shane T Grey, Darling Rojas-Canales, Patrick T Coates
Compact bones (CB) are major reservoirs of mouse mesenchymal stem cells (mMSC). Here, we established a protocol to isolate MSC from CB and tested their immunosuppressive potential. Collagenase type II digestion of BM-flushed CB from C57B/6 mice was performed to liberate mMSC precursors from bone surfaces to establish nondepleted mMSC. CB cells were also immunodepleted based on the expression of CD45 (leukocytes) and TER119 (erythroid cells) to eliminate hematopoietic cells. CD45-TER119- CB cells were subsequently used to generate depleted mMSC...
December 21, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27995034/adipose-derived-human-stem-stromal-cells-comparative-organ-specific-mitochondrial-bioenergy-profiles
#18
Alice S Ferng, Katherine M Marsh, Jamie M Fleming, Renee F Conway, David Schipper, Naing Bajaj, Alana M Connell, Tia Pilikian, Kitsie Johnson, Ray Runyan, Stephen M Black, John A Szivek, Zain Khalpey
BACKGROUND: Adipose-derived stem/stromal cells (ASCs) isolated from the stromal vascular fraction are a source of mesenchymal stem cells that have been shown to be beneficial in many regenerative medicine applications. ASCs are an attractive source of stem cells in particular, due to their lack of immunogenicity. This study examines differences between mitochondrial bioenergetic profiles of ASCs isolated from adipose tissue of five peri-organ regions: pericardial, thymic, knee, shoulder, and abdomen...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27994067/percentage-of-mesenchymal-stem-cells-in-high-grade-glioma-tumor-samples-correlates-with-patient-survival
#19
Tal Shahar, Uri Rozovski, Kenneth R Hess, Anwar Hossain, Joy Gumin, Feng Gao, Gregory N Fuller, Lindsey Goodman, Erik P Sulman, Frederick F Lang
BACKGROUND: Human mesenchymal stem cells (hMSCs) have been shown to reside as stromal cells in human gliomas as glioma-associated hMSCs (GA-hMSCs), but their biological role remains unclear. Because recent evidence indicates that GA-hMSCs drive tumor cell proliferation and stemness, we hypothesized that a higher percentage of GA-hMSCs in tumors predicts poor patient prognosis. METHOD: We determined the percentage of cells coexpressing GA-hMSC markers CD105+/CD73+/CD90+ from patients with newly diagnosed high-grade glioma and analyzed the association between this percentage and overall survival (OS) in 3 independent cohorts: fresh surgical glioblastoma specimens (cohort 1, N = 9), cultured tumor specimens at passage 3 (cohort 2, N = 28), and The Cancer Genome Atlas (TCGA) database...
December 18, 2016: Neuro-oncology
https://www.readbyqxmd.com/read/27989346/assessment-of-multipotent-mesenchymal-stromal-cells-in-bone-marrow-aspirate-from-human-calcaneus
#20
Chunmei Li, Cory D Kilpatrick, Shannon S Kenwood, Dean L Glettig, Douglas J Glod, Jason Mallette, Michael R Strunk, Jerry Chang, Siddhesh R Angle, David L Kaplan
Bone marrow aspirates (BMAs), owing to their innate osteogenic potential, are well-documented supplements to osteoconductive and/or osteoinductive materials. The calcaneal body provides foot and ankle surgeons a convenient harvest site with low morbidity and minimal cost. In the present study, we sought to identify and characterize multipotent mesenchymal stromal cells (MSCs) in BMAs harvested from the human calcaneal body. Ten healthy patients aged 18 to 65 years were enrolled in the present study. BMAs were harvested from the patients without any reported postoperative complications related to the harvest...
January 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
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