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Sharma M, Dubey PK, Kumar R, et al. Developmental Competence of Buffalo (Bubalus bubalis) Pluripotent Embryonic Stem Cells Over Different Homologous Feeder Layers and the Comparative Evaluation with Various Extracellular Matrices. Int J Stem Cells. 2013;6(1):26-36doi: 10.15283/ijsc.2013.6.1.26.
Sharma, M., Dubey, P. K., Kumar, R., Nath, A., Kumar, G. S., & Sharma, G. T. (2013). Developmental Competence of Buffalo (Bubalus bubalis) Pluripotent Embryonic Stem Cells Over Different Homologous Feeder Layers and the Comparative Evaluation with Various Extracellular Matrices. International journal of stem cells, 6(1), 26-36. https://doi.org/10.15283/ijsc.2013.6.1.26
Sharma, Manjinder, et al. "Developmental Competence of Buffalo (Bubalus bubalis) Pluripotent Embryonic Stem Cells Over Different Homologous Feeder Layers and the Comparative Evaluation with Various Extracellular Matrices." International journal of stem cells vol. 6,1 (2013): 26-36. doi: https://doi.org/10.15283/ijsc.2013.6.1.26
Sharma M, Dubey PK, Kumar R, Nath A, Kumar GS, Sharma GT. Developmental Competence of Buffalo (Bubalus bubalis) Pluripotent Embryonic Stem Cells Over Different Homologous Feeder Layers and the Comparative Evaluation with Various Extracellular Matrices. Int J Stem Cells. 2013 May;6(1):26-36. doi: 10.15283/ijsc.2013.6.1.26. PMID: 24298371; PMCID: PMC3841000.
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Int J Stem Cells. 2013 May;6(1):26-36. doi: 10.15283/ijsc.2013.6.1.26.

Developmental Competence of Buffalo (Bubalus bubalis) Pluripotent Embryonic Stem Cells Over Different Homologous Feeder Layers and the Comparative Evaluation with Various Extracellular Matrices.

International journal of stem cells

Manjinder Sharma, Pawan K Dubey, Rajesh Kumar, Amar Nath, G Sai Kumar, G Taru Sharma

Affiliations

  1. Reproductive Physiology Laboratory, Division of Physiology and Climatology, Indian Veterinary Research Institute, Bareilly, India.

PMID: 24298371 PMCID: PMC3841000 DOI: 10.15283/ijsc.2013.6.1.26

Abstract

BACKGROUND AND OBJECTIVES: Use of somatic cells as a feeder layer to maintain the embryonic stem cells (ESCs) in undifferentiated state limits the stem cell research design, since experimental data may result from a combined ESCs and feeder cell response to various stimuli. Therefore, present study was designed to evaluate the developmental competence of the buffalo ESCs over different homogenous feeders and compare with various extracellular matrices using different concentrations of LIF.

METHODS AND RESULTS: Inner cell masses (ICMs) of in vitro hatched blastocysts were cultured onto homologous feeders viz. fetal fibroblast, granulosa and oviductal cell feeder layers and synthetic matrices viz. fibronectin, collagen type I and matrigel in culture medium. Developmental efficiency was found higher for ESCs cultured on fetal fibroblast and granulosa layers (83.33%) followed by fibronectin (77.78%) at 30 ng LIF. Oviductal feeder was found to be the least efficient feeder showing only 11.11% undifferentiated primary ESC colonies at 30 ng LIF. However, neither feeder layer nor synthetic matrix could support the development of primary colonies at 10 ng LIF. Expression of SSEA- 4, TRA-1-60 and Oct-4 were found positive in ESC colonies from all the feeders and synthetic matrices with 20 ng and 30 ng LIF.

CONCLUSIONS: Fetal fibroblast and granulosa cell while, amongst synthetic matrices, fibronectin were found to be equally efficient to support the growth and maintenance of ESCs pluripotency with 30 ng LIF. This well-defined culture conditions may provide an animal model for culturing human embryonic stem cells in the xeno-free or feeder-free conditions for future clinical applications.

Keywords: Buffalo; Embryonic stem cell; Extracellular matrix; Feeder layer; Pluripotency

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