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M Fawzy El-Sayed, K., and C. E. Dörfer, "Gingival mesenchymal stem/progenitor cells: a unique tissue engineering gem", Stem Cells International, vol. 2016: Hindawi, 2016. Abstract
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M Fawzy El-Sayed, K., M. K. Mekhemar, B. E. Beck-Broichsitter, T. Bähr, M. Hegab, J. Receveur, C. Heneweer, S. T. Becker, J. Wiltfang, and C. E. Dörfer, "Periodontal regeneration employing gingival margin-derived stem/progenitor cells in conjunction with IL-1ra-hydrogel synthetic extracellular matrix.", Journal of clinical periodontology, vol. 42, issue 5, pp. 448-57, 2015. Abstract

AIM: This study investigated the periodontal regenerative potential of gingival margin-derived stem/progenitor cells (G-MSCs) in conjunction with IL-1ra-releasing hyaluronic acid synthetic extracellular matrix (HA-sECM).

MATERIALS AND METHODS: Periodontal defects were induced at four sites in eight miniature pigs in the premolar/molar area (-4 weeks). Autologus G-MSCs were isolated from the free gingival margin and magnetically sorted, using anti-STRO-1 antibodies. Colony formation and multilineage differentiation potential were tested. The G-MSCs were expanded and incorporated into IL-1ra-loaded/unloaded HA-sECM. Within every miniature pig, four periodontal defects were randomly treated with IL-1ra/G-MSCs/HA-sECM (test group), G-MSCs/HA-sECM (positive-control), scaling and root planing (SRP; negative control-1) or left untreated (no-treatment group; negative control 2). Differences in clinical attachment level (ΔCAL), probing depth (ΔPD), gingival recession (ΔGR), radiographic defect volume (ΔRDV), and changes in bleeding on probing (BOP) between baseline and 16 weeks post-transplantation, as well as periodontal attachment level (PAL), junctional epithelium length (JE), connective tissue adhesion (CTA), cementum regeneration (CR) and bone regeneration (BR) at 16 weeks post-transplantation were evaluated.

RESULTS: Isolated G-MSCs showed stem/progenitor cell characteristics. IL-1ra loaded and unloaded G-MSCs/HA-sECM showed higher ΔCAL, ΔPD, ΔGR, PAL, CR and BR as well as a lower JE compared to their negative controls and improved BOP.

CONCLUSION: G-MSCs in conjunction with IL-1ra-loaded/unloaded HA-sECM show a significant periodontal regenerative potential.

M Fawzy El-Sayed, K., K. Jakusz, A. Jochens, C. Dörfer, and F. Schwendicke, "Stem Cell Transplantation for Pulpal Regeneration: A Systematic Review", Tissue Engineering Part B: Reviews, vol. 21, no. 5: Mary Ann Liebert, Inc. 140 Huguenot Street, 3rd Floor New Rochelle, NY 10801 USA, pp. 451–460, 2015. Abstract
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M Fawzy El-Sayed, K., and C. E. Dörfer, "Gingival mesenchymal stem/progenitor cells: a unique tissue engineering gem", Stem cells international, vol. 2016: Hindawi Publishing Corporation, 2016. Abstract
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M Fawzy El-Sayed, K., and C. E. Doerfer, "Animal models for periodontal tissue engineering: a knowledge-generating process", Tissue Engineering Part C: Methods, vol. 23, issue 12: Mary Ann Liebert, Inc. 140 Huguenot Street, 3rd Floor New Rochelle, NY 10801 USA, pp. 900-925, 2017. Abstract
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M Fawzy El-Sayed, K., S. Paris, S. T. Becker, M. Neuschl, W. Buhr, S. Sälzer, A. Wulff, M. E. Refai, M. S. Darhous, M. El-Masry, et al., "Periodontal regeneration employing gingival margin-derived stem/progenitor cells: an animal study", Journal of clinical periodontology, vol. 39, no. 9, pp. 861–870, 2012. Abstract
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M Fawzy El-Sayed, K., R. Elsalawy, N. Ibrahim, M. Gadalla, H. Albargasy, N. Zahra, S. Mokhtar, N. El Nahhas, Y. El Kaliouby, and C. E. Dörfer, "The dental pulp stem/progenitor cells-mediated inflammatory-regenerative axis", Tissue Engineering Part B: Reviews, vol. 25, issue 5: Mary Ann Liebert, Inc., publishers 140 Huguenot Street, 3rd Floor New …, pp. 445-460, 2019. Abstract
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M Fawzy El-Sayed, K., K. Jakusz, A. Jochens, C. Dörfer, and F. Schwendicke, "Stem cell transplantation for pulpal regeneration: a systematic review", Tissue Engineering Part B: Reviews, vol. 21, issue 5: Mary Ann Liebert, Inc. 140 Huguenot Street, 3rd Floor New Rochelle, NY 10801 USA, pp. 451-460, 2015. Abstract
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M Fawzy El-Sayed, K., K. Jakusz, A. Jochens, C. Dörfer, and F. Schwendicke, "Stem cell transplantation for pulpal regeneration: a systematic review", Tissue Engineering Part B: Reviews, vol. 21, issue 5: Mary Ann Liebert, Inc. 140 Huguenot Street, 3rd Floor New Rochelle, NY 10801 USA, pp. 451-460, 2015. Abstract
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M Fawzy El-Sayed, K., M. K. Mekhemar, B. E. Beck-Broichsitter, T. Bähr, M. Hegab, J. Receveur, C. Heneweer, S. T. Becker, J. Wiltfang, and C. E. Dörfer, "Periodontal regeneration employing gingival margin-derived stem/progenitor cells in conjunction with IL-1ra-hydrogel synthetic extracellular matrix", Journal of clinical periodontology, vol. 42, no. 5, pp. 448–457, 2015. Abstract
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M Fawzy El-Sayed, K., K. Jakusz, A. Jochens, C. Dörfer, and F. Schwendicke, "Stem cell transplantation for pulpal regeneration: a systematic review", Tissue Engineering Part B: Reviews, vol. 21, issue 5: Mary Ann Liebert, Inc. 140 Huguenot Street, 3rd Floor New Rochelle, NY 10801 USA, pp. 451-460, 2015. Abstract
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M Fawzy El-Sayed, K., and C. E. Doerfer, "Animal models for periodontal tissue engineering: a knowledge-generating process", Tissue Engineering Part C: Methods, vol. 23, issue 12: Mary Ann Liebert, Inc. 140 Huguenot Street, 3rd Floor New Rochelle, NY 10801 USA, pp. 900-925, 2017. Abstract
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M M El-Abd, I A Abd El Gawad, R. E. - A. F. H. M. A., "Study on Vitamin B1 on milk and some milk products .", Annals of Agric. Sci., Moshtohor (Egypt), vol. 24, issue 3, pp. 1477, 1986. Abstract
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M M El-Abd, F H Ragab, A. E. G. E. - A. I. A. M. A., "Study on Vitamin A on milk and some milk products .", Annals of Agric. Sci., Moshtohor (Egypt), vol. 24, issue 4, pp. 2129, 1986. Abstract
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M M Metwally, I A Abd El Gawad, S. E. - N. K. E. A., "Spray drying of lactic acid culture I. The effect of spray drying conditions on survival of microorganisms", Egyptian J. Dairy Sci.,, vol. 17, pp. 35, 1989. Abstract
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al M M Metwally, I A Abd El Gawad, A. D. A. F. A. E. A. M., "The use of deoxyribonucleic acid content for determining bacterial count in milk", Egyptian J. Appl. Sci., 5:55 ()., vol. 5, pp. 55, 1990. Abstract
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M M Metwally, I A Abd El Gawad, M. E. A. M. S. M., "The hypocholesterolaemic effect of butter milk. IV. The hypocholesterolaemic effect of yoghurt and acidophilus butter milk.", Egyptian J. Appl. Sci.,., vol. 5, issue 6, pp. 67, 1990. Abstract
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al M M Metwally, I A Abd El Gawad, A. D. A. F. A. E. A. M., "A simple method for the determination of milk heat treatment history.", Egyptian J. Appl. Sci.,, vol. 5, issue 6, pp. 388, 1990. Abstract
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M M Metwally, I A Abd El Gawad, K. E. - S. M. A. M., "The use of concentrated whey in making cheese spread .", Annals of Agricultural Science, Moshtohor [Egypt], vol. 21, pp. 749, 1984. Abstract
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M M Metwally, I A Abd El Gawad, M. E. A. M. S. M., "The hypocholesterolaemic effect of butter milk. I. The effect of butter oil, butter milk, casein and cream on rats serum and hepatic lipids.", Egyptian J. Dairy Sci.,, vol. 16, pp. 175, 1988. Abstract
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M M Metwally, I A Abd El Gawad, M. E. S. A. E. E. M., "The selection of a proper starter for Ras Cheese-making mode from buffalo milk.", African J. of Agric. Sci.,, vol. 17, issue 1, pp. 1-11, 1990. Abstract
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M M Metwally, IA Abd El Gawad, H. E. M. M. S. M., "The hypocholesterolaemic effect of butter milk .” III- The effect of orotic acid, buffaloes and cows butter milk on rats serum cholesterol and lipids.", Fayoum Journal of Agricultural Research and Development (EGYPT), vol. 5, issue 1, 1991. Abstract
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M M Metwally, I A Abd El Gawad, K. E. - S. M. A. M., "Production of concentrated cheese whey free from sandiness.", Annals of Agricultural Science, Moshtohor (Egypt), vol. 22, pp. 1, 1985. Abstract
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