搜索结果: 'methocult media formulations for human hematopoietic cells serum containing'

Lam AT-L et al. (JUL 2014) Stem cells and development 23 14 1688--1703

Cationic Surface Charge Combined with Either Vitronectin or Laminin Dictates the Evolution of Human Embryonic Stem Cells/Microcarrier Aggregates and Cell Growth in Agitated Cultures

The expansion of human pluripotent stem cells (hPSC) for biomedical applications generally compels a defined,reliable,and scalable platform. Bioreactors offer a three-dimensional culture environment that relies on the implementation of microcarriers (MC),as supports for cell anchorage and their subsequent growth. Polystyrene microspheres/MC coated with adhesion-promoting extracellular matrix (ECM) protein,vitronectin (VN),or laminin (LN) have been shown to support hPSC expansion in a static environment. However,they are insufficient to promote human embryonic stem cells (hESC) seeding and their expansion in an agitated environment. The present study describes an innovative technology,consisting of a cationic charge that underlies the ECM coatings. By combining poly-L-lysine (PLL) with a coating of ECM protein,cell attachment efficiency and cell spreading are improved,thus enabling seeding under agitation in a serum-free medium. This coating combination also critically enables the subsequent formation and evolution of hPSC/MC aggregates,which ensure cell viability and generate high yields. Aggregate dimensions of at least 300 $\$ during early cell growth give rise to ≈15-fold expansion at 7 days' culture. Increasing aggregate numbers at a quasi-constant size of ≈300 $\$ indicates hESC growth within a self-regulating microenvironment. PLL+LN enables cell seeding and aggregate evolution under constant agitation,whereas PLL+VN requires an intermediate 2-day static pause to attain comparable aggregate sizes and correspondingly high expansion yields. The cells' highly reproducible bioresponse to these defined and characterized MC surface properties is universal across multiple cell lines,thus confirming the robustness of this scalable expansion process in a defined environment. View Publication

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产品号#：

05850

05857

05870

05875

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85857

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85875

产品名：

mTeSR™1

Miura Y et al. (NOV 2006) Stem cells (Dayton,Ohio) 24 11 2428--36

Mesenchymal stem cell-organized bone marrow elements: an alternative hematopoietic progenitor resource.

Bone marrow-derived mesenchymal stem cells (BMMSCs) are multipotent postnatal stem cells that have been used for the treatment of bone defects and graft-versus-host diseases in clinics. In this study,we found that subcutaneously transplanted human BMMSCs are capable of organizing hematopoietic progenitors of recipient origin. These hematopoietic cells expressed multiple lineages of hematopoietic cell associated markers and were able to rescue lethally irradiated mice,with successful engraftment in the recipient,suggesting a potential bone marrow (BM) resource for stem cell therapies. Furthermore,we found that platelet-derived growth factor (PDGF) promotes the formation of BMMSC-generated BM niches through upregulation of beta-catenin,implying that the PDGF pathway contributes to the formation of ectopic BM. These results indicate that the BMMSC-organized BM niche system represents a unique hematopoietic progenitor resource possessing potential clinical value. View Publication

产品类型：

产品号#：

03434

03444

04434

04444

09600

09650

产品名：

MethoCult™GF M3434

MethoCult™H4434经典

StemSpan™ SFEM

产品手册

Reliable Antibodies for Your Research

产品类型：

品牌：

EasySep

产品号#：

60100

60100.1

60100AD

60100AD.1

60102

60102FI

60104

60104AD

60104AD.1

60104AZ

60104AZ.1

60104BT

60104BT.1

60104BT.2

60104FI

60104FI.1

60104PE

60104PE.1

60106

60106.1

60106AZ

60106AZ.1

60106BT

60106BT.1

60106FI

60106FI.1

60106PE

60106PE.1

60107

60107.1

601

产品名：

抗β-微管蛋白III抗体，克隆AA10

抗β-微管蛋白III抗体，克隆AA10，Alexa Fluor® 488

抗β-微管蛋白III抗体，clone AA10，Alexa Fluor® 488

抗小鼠TCR Gamma/Delta抗体，clone GL3

抗小鼠TCR Gamma/Delta抗体，clone GL3，Alexa Fluor® 488

抗小鼠TCR Gamma/Delta抗体，clone GL3，APC

抗小鼠TCR Gamma/Delta抗体，clone GL3，Biotin

抗小鼠TCR Gamma/Delta抗体，clone GL3，FITC

抗小鼠TCR Gamma/Delta抗体，clone GL3，PE

抗人CD71（转铁蛋白受体）抗体，clone OKT9

抗人CD71（转铁蛋白受体）抗体，clone OKT9，APC

抗人CD71（转铁蛋白受体）抗体，clone OKT9，Biotin

抗人CD71（转铁蛋白受体）抗体，clone OKT9，FITC

抗人CD71（转铁蛋白受体）抗体，clone OKT9，PE

Ryan MA et al. (OCT 2010) Nature medicine 16 10 1141--6

Pharmacological inhibition of EGFR signaling enhances G-CSF-induced hematopoietic stem cell mobilization.

Mobilization of hematopoietic stem and progenitor cells (HSPCs) from bone marrow into peripheral blood by the cytokine granulocyte colony-stimulating factor (G-CSF) has become the preferred source of HSPCs for stem cell transplants. However,G-CSF fails to mobilize sufficient numbers of stem cells in up to 10% of donors,precluding autologous transplantation in those donors or substantially delaying transplant recovery time. Consequently,new regimens are needed to increase the number of stem cells in peripheral blood upon mobilization. Using a forward genetic approach in mice,we mapped the gene encoding the epidermal growth factor receptor (Egfr) to a genetic region modifying G-CSF-mediated HSPC mobilization. Amounts of EGFR in HSPCs inversely correlated with the cells' ability to be mobilized by G-CSF,implying a negative role for EGFR signaling in mobilization. In combination with G-CSF treatment,genetic reduction of EGFR activity in HSPCs (in waved-2 mutant mice) or treatment with the EGFR inhibitor erlotinib increased mobilization. Increased mobilization due to suppression of EGFR activity correlated with reduced activity of cell division control protein-42 (Cdc42),and genetic Cdc42 deficiency in vivo also enhanced G-CSF-induced mobilization. Our findings reveal a previously unknown signaling pathway regulating stem cell mobilization and provide a new pharmacological approach for improving HSPC mobilization and thereby transplantation outcomes. View Publication

产品类型：

产品号#：

03234

产品名：

MethoCult™M3234

Morrow M et al. (MAY 2004) Blood 103 10 3890--6

TEL-AML1 promotes development of specific hematopoietic lineages consistent with preleukemic activity.

The t(12;21)(p13;q22) translocation is the most common chromosomal abnormality yet identified in any pediatric leukemia and gives rise to the TEL-AML1 fusion product. To investigate the effects of TEL-AML1 on hematopoiesis,fetal liver hematopoietic progenitor cells (HPCs) were transduced with retroviral vectors expressing this fusion protein. We show that TEL-AML1 dramatically alters differentiation of HPCs in vitro,preferentially promoting B-lymphocyte development,enhancing self-renewal of B-cell precursors,and leading to the establishment of long-term growth factor-dependent pre-B-cell lines. However,it had no effect on myeloid development in vitro. Further experiments were performed to determine whether TEL-AML1 also demonstrates lineage-specific activity in vivo. TEL-AML1-expressing HPCs displayed a competitive advantage in reconstituting both B-cell and myeloid lineages in vivo but had no effect on reconstitution of the T-cell lineage. Despite promoting these alterations in hematopoiesis,TEL-AML1 did not induce leukemia in transplanted mice. Our study provides a unique insight into the role of TEL-AML1 in leukemia predisposition and a potential model to study the mechanism of leukemogenesis associated with this fusion. View Publication

产品类型：

产品号#：

03534

03231

产品名：

MethoCult™GF M3534

MethoCult™M3231

Diekmann U et al. (APR 2015) Journal of Tissue Engineering and Regenerative Medicine 9 4 473--479

Embryonic stem cells of the non-human primate Callithrix jacchus can be differentiated into definitive endoderm by Activin-A but not IDE-1/2

Pluripotent stem cells hold great promise for regenerative medicine,due to their unlimited self-renewal potential and the ability to differentiate into all somatic cell types. Differences between the rodent disease models and the situation in humans can be narrowed down with non-human primate models. The common marmoset monkey (Callithrix jacchus) is an interesting model for biomedical research because these animals are easy to breed,get relatively old (≤ 13 years),are small in size,are relatively cost-effective and have a high genetic proximity to the human. In particular,diseases of the liver and pancreas are interesting for cell replacement therapies but the in vitro differentiation of ESCs into the definitive endoderm germ layer is still a demanding task. Membrane-permeable,chemically defined small molecules can possibly replace recombinant growth factors used in most directed differentiation protocols. However,the potent small molecules IDE-1 and IDE-2 were not able to induce definitive endoderm-like cells when ESCs from the common marmoset were treated with these compounds,whereas the recombinant growth factor Activin A could force the differentiation into this lineage. Our results indicate that ESCs from the common marmoset are less sensitive or even insensitive to these small molecules. Thus,differences between the species of human ESCs and ESCs of this non-human primate might be a useful model to further evaluate the exact mode of action of these compounds. View Publication

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05850

05857

05870

05875

85850

85857

85870

85875

产品名：

mTeSR™1

Fakler M et al. (FEB 2009) Blood 113 8 1710--22

Small molecule XIAP inhibitors cooperate with TRAIL to induce apoptosis in childhood acute leukemia cells and overcome Bcl-2-mediated resistance.

Defects in apoptosis contribute to poor outcome in pediatric acute lymphoblastic leukemia (ALL),calling for novel strategies that counter apoptosis resistance. Here,we demonstrate for the first time that small molecule inhibitors of the antiapoptotic protein XIAP cooperate with TRAIL to induce apoptosis in childhood acute leukemia cells. XIAP inhibitors at subtoxic concentrations,but not a structurally related control compound,synergize with TRAIL to trigger apoptosis and to inhibit clonogenic survival of acute leukemia cells,whereas they do not affect viability of normal peripheral blood lymphocytes,suggesting some tumor selectivity. Analysis of signaling pathways reveals that XIAP inhibitors enhance TRAIL-induced activation of caspases,loss of mitochondrial membrane potential,and cytochrome c release in a caspase-dependent manner,indicating that they promote a caspase-dependent feedback mitochondrial amplification loop. Of note,XIAP inhibitors even overcome Bcl-2-mediated resistance to TRAIL by enhancing Bcl-2 cleavage and Bak conformational change. Importantly,XIAP inhibitors kill leukemic blasts from children with ALL ex vivo and cooperate with TRAIL to induce apoptosis. In vivo,they significantly reduce leukemic burden in a mouse model of pediatric ALL engrafted in non-obese diabetic/severe combined immunodeficient (NOD/SCID) mice. Thus,XIAP inhibitors present a promising novel approach for apoptosis-based therapy of childhood ALL. View Publication

产品类型：

产品号#：

04100

产品名：

MethoCult™ H4100

Donahue RE et al. (JAN 2000) Blood 95 2 445--52

High levels of lymphoid expression of enhanced green fluorescent protein in nonhuman primates transplanted with cytokine-mobilized peripheral blood CD34(+) cells.

We have used a murine retrovirus vector containing an enhanced green fluorescent protein complimentary DNA (EGFP cDNA) to dynamically follow vector-expressing cells in the peripheral blood (PB) of transplanted rhesus macaques. Cytokine mobilized CD34(+) cells were transduced with an amphotropic vector that expressed EGFP and a dihydrofolate reductase cDNA under control of the murine stem cell virus promoter. The transduction protocol used the CH-296 recombinant human fibronectin fragment and relatively high concentrations of the flt-3 ligand and stem cell factor. Following transplantation of the transduced cells,up to 55% EGFP-expressing granulocytes were obtained in the peripheral circulation during the early posttransplant period. This level of myeloid marking,however,decreased to 0.1% or lower within 2 weeks. In contrast,EGFP expression in PB lymphocytes rose from 2%-5% shortly following transplantation to 10% or greater by week 5. After 10 weeks,the level of expression in PB lymphocytes continued to remain at 3%-5% as measured by both flow cytometry and Southern blot analysis,and EGFP expression was observed in CD4(+),CD8(+),CD20(+),and CD16/56(+) lymphocyte subsets. EGFP expression was only transiently detected in red blood cells and platelets soon after transplantation. Such sustained levels of lymphocyte marking may be therapeutic in a number of human gene therapy applications that require targeting of the lymphoid compartment. The transient appearance of EGFP(+) myeloid cells suggests that transduction of a lineage-restricted myeloid progenitor capable of short-term engraftment was obtained with this protocol. (Blood. 2000;95:445-452) View Publication

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04436

04064

04100

04230

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04431

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04444

04464

04531

04535

04545

04536

04564

04035

04330

04034

04044

04435

04445

04534

04544

产品名：

MethoCult™ SF H4436

MethoCult™ H4034 Optimum启动试剂盒套装

MethoCult™ H4100

MethoCult™H4230

MethoCult™SF H4236

MethoCult™H4431

MethoCult™H4434经典

MethoCult™ H4434 Classic启动试剂盒套装

MethoCult™H4531

MethoCult™H4535富集无EPO

MethoCult™ H4535 Enriched，不含EPO

MethoCult™ SF H4536

入门套件MethoCult™H4534经典无EPO

MethoCult™H4035 Optimum无EPO

MethoCult™H4330

MethoCult™H4034 Optimum

MethoCult™H4435富集

MethoCult™H4534经典无EPO

产品手册

qPCR Arrays for Cell Characterization

产品类型：

品牌：

MesenCult

产品号#：

05110

05115

05220

05221

05401

05402

05411

05412

05455

05910

05916

05946

05230

05970

05120

03950

05240

85850

85857

85870

85875

05270

05275

05271

05439

05990

07515

07516

07517

07521

07522

07523

07524

07531

07532

07533

07534

07541

07542

07543

07544

05876

055

产品名：

STEMdiff™定型内胚层检测试剂盒

STEMdiff™ 中胚层诱导培养基

MesenCult™ MSC基础培养基 (人)

MesenCult™ MSC 刺激补充剂（人）

MesenCult™ 增殖试剂盒（人）

MesenCult™ 脂肪分化试剂盒 (人)

MesenCult™-ACF软骨细胞分化试剂盒

TeSR™-E5

TeSR™-E6

STEMdiff™ 三谱系分化试剂盒

STEMdiff™胰腺祖细胞试剂盒

mTeSR™3D

STEMdiff™ 间充质祖细胞试剂盒

mTeSR™1

STEMdiff™ APEL™2 培养基

MesenCult™-hPL 培养基试剂盒

TeSR™-E8™

人多能干细胞三谱系分化qPCR阵列

qPCR预混试剂盒

Naïve态人多能干细胞 qPCR 阵列

人间充质干细胞 qPCR 阵列分析

不含酚红的mTeSR™1

Alamein MA et al. (SEP 2015) Journal of Tissue Engineering and Regenerative Medicine 9 9 1078--1083

Polymeric nanofibrous substrates stimulate pluripotent stem cells to form three-dimensional multilayered patty-like spheroids in feeder-free culture and maintain their pluripotency

Expansion of pluripotent stem cells in defined media devoid of animal-derived feeder cells to generate multilayered three-dimensional (3D) bulk preparations or spheroids,rather than two-dimensional (2D) monolayers,is advantageous for many regenerative,biological or disease-modelling studies. Here we show that electrospun polymer matrices comprised of nanofibres that mimic the architecture of the natural fibrous extracellular matrix allow for feeder-free expansion of pluripotent human induced pluripotent stem cells (IPSCs) and human embryonic stem cells (HESCs) into multilayered 3D 'patty-like' spheroid structures in defined xeno-free culture medium. The observation that IPSCs and HESCs readily revert to 2D growth in the absence of the synthetic nanofibre membranes suggests that this 3D expansion behaviour is mediated by the physical microenvironment and artificial niche provided by the nanofibres only. Importantly,we could show that such 3D growth as patties maintained the pluripotency of cells as long as they were kept on nanofibres. The generation of complex multilayered 3D structures consisting of only pluripotent cells on biodegradable nanofibre matrices of the desired shape and size will enable both industrial-scale expansion and intricate organ-tissue engineering applications with human pluripotent stem cells,where simultaneous coupling of differentiation pathways of all germ layers from one stem cell source may be required for organ formation. View Publication

产品类型：

产品号#：

05850

05857

05870

05875

85850

85857

85870

85875

产品名：

mTeSR™1

Baba Y et al. (AUG 2006) Journal of immunology (Baltimore,Md. : 1950) 177 4 2294--303

Constitutively active beta-catenin promotes expansion of multipotent hematopoietic progenitors in culture.

This study was designed to investigate one component of the Wnt/beta-catenin signaling pathway that has been implicated in stem cell self-renewal. Retroviral-mediated introduction of stable beta-catenin to primitive murine bone marrow cells allowed the expansion of multipotential c-Kit(low)Sca-1(low/-)CD19(-) CD11b/Mac-1(-)Flk-2(-)CD43(+)AA4.1(+)NK1.1(-)CD3(-)CD11c(-)Gr-1(-)CD45R/B220(+) cells in the presence of stromal cells and cytokines. They generated myeloid,T,and B lineage lymphoid cells in culture,but had no T lymphopoietic potential when transplanted. Stem cell factor and IL-6 were found to be minimal requirements for long-term,stromal-free propagation,and a beta-catenin-transduced cell line was maintained for 5 mo with these defined conditions. Although multipotential and responsive to many normal stimuli in culture,it was unable to engraft several types of irradiated recipients. These findings support previous studies that have implicated the canonical Wnt pathway signaling in regulation of multipotent progenitors. In addition,we demonstrate how it may be experimentally manipulated to generate valuable cell lines. View Publication

产品类型：

产品号#：

03434

03444

产品名：

MethoCult™GF M3434

Lymperi S et al. (FEB 2011) Blood 117 5 1540--9

Inhibition of osteoclast function reduces hematopoietic stem cell numbers in vivo.

Osteoblasts play a crucial role in the hematopoietic stem cell (HSC) niche; however,an overall increase in their number does not necessarily promote hematopoiesis. Because the activity of osteoblasts and osteoclasts is coordinately regulated,we hypothesized that active bone-resorbing osteoclasts would participate in HSC niche maintenance. Mice treated with bisphosphonates exhibited a decrease in proportion and absolute number of Lin(-)cKit(+)Sca1(+) Flk2(-) (LKS Flk2(-)) and long-term culture-initiating cells in bone marrow (BM). In competitive transplantation assays,the engraftment of treated BM cells was inferior to that of controls,confirming a decrease in HSC numbers. Accordingly,bisphosphonates abolished the HSC increment produced by parathyroid hormone. In contrast,the number of colony-forming-unit cells in BM was increased. Because a larger fraction of LKS in the BM of treated mice was found in the S/M phase of the cell cycle,osteoclast impairment makes a proportion of HSCs enter the cell cycle and differentiate. To prove that HSC impairment was a consequence of niche manipulation,a group of mice was treated with bisphosphonates and then subjected to BM transplantation from untreated donors. Treated recipient mice experienced a delayed hematopoietic recovery compared with untreated controls. Our findings demonstrate that osteoclast function is fundamental in the HSC niche. View Publication

产品类型：

产品号#：

03434

03444

05350

产品名：

MethoCult™GF M3434

搜索结果: 'methocult media formulations for human hematopoietic cells serum containing'

Cationic Surface Charge Combined with Either Vitronectin or Laminin Dictates the Evolution of Human Embryonic Stem Cells/Microcarrier Aggregates and Cell Growth in Agitated Cultures

Mesenchymal stem cell-organized bone marrow elements: an alternative hematopoietic progenitor resource.

Pharmacological inhibition of EGFR signaling enhances G-CSF-induced hematopoietic stem cell mobilization.

TEL-AML1 promotes development of specific hematopoietic lineages consistent with preleukemic activity.

Embryonic stem cells of the non-human primate Callithrix jacchus can be differentiated into definitive endoderm by Activin-A but not IDE-1/2

Small molecule XIAP inhibitors cooperate with TRAIL to induce apoptosis in childhood acute leukemia cells and overcome Bcl-2-mediated resistance.

High levels of lymphoid expression of enhanced green fluorescent protein in nonhuman primates transplanted with cytokine-mobilized peripheral blood CD34(+) cells.

Polymeric nanofibrous substrates stimulate pluripotent stem cells to form three-dimensional multilayered patty-like spheroids in feeder-free culture and maintain their pluripotency

Constitutively active beta-catenin promotes expansion of multipotent hematopoietic progenitors in culture.

Inhibition of osteoclast function reduces hematopoietic stem cell numbers in vivo.

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