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Does Mesenchymal Stem Cell Population in Umbilical Cord Blood Vary at Different Gestational Periods?

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Abstract

Objective

To identify and quantitatively determine Mesenchymal stem cells (MSCs) in the umbilical cord blood (UCB) of neonates born at different gestational periods.

Methods

UCB was collected at birth in neonates of three different gestational groups. The mononuclear cells (MNCs) were phenotypically analyzed by flow cytometer.

Results

The yield of total MNCs did not differ much with gestation; the average values were 22.6 ± 6.48 × 106 cells/ml. The MSCs were significantly higher in the lower gestation group. These were 0.0219 ± 0.012 %, 0.0044 ± 0.003 % and 0.0022 ± 0.003 % in 28 to 31 wk, 32 to 35 wk and >36 wk, respectively (P = 0.00). There was a significant inverse correlation between the gestational age and the presence of MSCs with a correlation co-efficient of −0.54 (P = 0.0001).

Conclusions

The MSCs population was significantly higher in infants born at lesser gestation than those born at term gestation.

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Acknowledgements

Consumables for this study was made available from the research grant provided by the All India Institute of Medical Sciences, New Delhi. Authors are grateful to Stem cell Biology lab, National Institute of Immunology, India for flow cytometric analysis of the samples.

Conflict of Interest

None.

Role of funding Source

The study was supported by the funds from the AIIMS Research Fund.

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Correspondence to Ramesh Agarwal.

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Jain, A., Mathur, N., Jeevashankar, M. et al. Does Mesenchymal Stem Cell Population in Umbilical Cord Blood Vary at Different Gestational Periods?. Indian J Pediatr 80, 375–379 (2013). https://doi.org/10.1007/s12098-012-0844-3

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  • DOI: https://doi.org/10.1007/s12098-012-0844-3

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