Journal of Perinatal Medicine
Official Journal of the World Association of Perinatal Medicine
Editor-in-Chief: Dudenhausen, MD, FRCOG, Joachim W.
Editorial Board Member: / Bancalari, Eduardo / Greenough, Anne / Genc, Mehmet R. / Chervenak, Frank A. / Chappelle, Joseph / Bergmann, Renate L. / Bernardes, J.F. / Bevilacqua, G. / Blickstein, Isaac / Cabero Roura, Luis / Carbonell-Estrany, Xavier / Carrera, Jose M. / D`Addario, Vincenzo / D'Alton, MD, Mary E. / Dimitrou, G. / Grunebaum, Amos / Hentschel, Roland / Köpcke, W. / Kawabata, Ichiro / Keirse, Marc J.N.C. / Kurjak M.D., Asim / Lee, Ben H. / Levene, Malcolm / Lockwood, Charles J. / Marsal, Karel / Makatsariya, Alexander / Nishida, Hiroshi / Papp, Zoltán / Pejaver, Ranjan Kumar / Pooh, Ritsuko K. / Reiss, Irwin / Romero, Roberto / Saugstad, Ola D. / Schenker, Joseph G. / Sen, Cihat / Seri, Istvan / Vetter, Klaus / Winn, Hung N. / Young, Bruce K. / Zimmermann, Roland
9 Issues per year
IMPACT FACTOR 2016: 1.577
5-year IMPACT FACTOR: 1.705
CiteScore 2016: 1.49
SCImago Journal Rank (SJR) 2016: 0.602
Source Normalized Impact per Paper (SNIP) 2016: 0.832
The effect of processing and cryopreservation on nucleated umbilical cord blood cells
Recovery of nucleated cord blood cells after storage in liquid nitrogen was evaluated. Red cells were depleted using Ficoll-Paque™ or Puregene® red cell lyses. Freeze Medium contained 10% dimethylsulfoxide and 20% serum for cryoprotection. Recovery of the original cell population remaining serviceable for fluorescence activated cell sorting (FACS) was 12 ± 10% (average ± standard deviation), with a range of 1% to 55%. Viability measured by FACS analysis after freezing was significantly lower than that of the same specimens prior to freezing, 62 ± 20% compared to 91 ± 11% (p < 0.001). Percentage CD45+34+ cells were the same for fresh and frozen cells. Gestational age at which specimens were collected had no effect on the percent cells carrying the CD45+34+ markers. We conclude that better cryoprotective supplements are needed to insure consistent high recovery of viable nucleated umbilical cord blood cells after preservation in liquid nitrogen.
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