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Apoptosis affects integration frequency: Adult stem cells injected in blastocysts show high caspase-3 activity
Published in:
Cell Biology International, 2007, v. 31, n. 5, p. 489, doi. 10.1016/j.cellbi.2006.11.023
By:
- Koestenbauer, S.;
- Vanderzwalmen, P.;
- Hammer, A.;
- Schoonjans, L.;
- Danloy, S.;
- Zech, H.;
- Dohr, G.;
- Zech, N.H.
Publication type:
Article
Modern sperm retrieval techniques and their usefulness in oocyte fertilization.
Published in:
BJU International, 2001, v. 88, n. 2, p. 141, doi. 10.1046/j.1464-410X.2001.02301.x
By:
- Schoysman, R.;
- Van Roosendaal, E.;
- Bollen, N.;
- Vandervorst, M.;
- Vanderzwalmen, P.;
- Standaert, V.;
- Berting, G.;
- Debauche, C.;
- Lefere, C.
Publication type:
Article
Relationship between follicular volume and oocyte competence, blastocyst development and live-birth rate: optimal follicle size for oocyte retrieval.
Published in:
2018
By:
- Wirleitner, B.;
- Okhowat, J.;
- Vištejnová, L.;
- Králíčková, M.;
- Karlíková, M.;
- Vanderzwalmen, P.;
- Ectors, F.;
- Hradecký, L.;
- Schuff, M.;
- Murtinger, M.
Publication type:
journal article
Pregnancy and birth outcomes following fresh or vitrified embryo transfer according to blastocyst morphology and expansion stage, and culturing strategy for delayed development.
Published in:
2016
By:
- Wirleitner, B.;
- Schuff, M.;
- Stecher, A.;
- Murtinger, M.;
- Vanderzwalmen, P.
Publication type:
journal article
The time aspect in storing vitrified blastocysts: its impact on survival rate, implantation potential and babies born.
Published in:
Human Reproduction, 2013, v. 28, n. 11, p. 2950, doi. 10.1093/humrep/det361
By:
- Wirleitner, B.;
- Vanderzwalmen, P.;
- Bach, M.;
- Baramsai, B.;
- Neyer, A.;
- Schwerda, D.;
- Schuff, M.;
- Spitzer, D.;
- Stecher, A.;
- Zintz, M.;
- Zech, N.H.
Publication type:
Article
Lower intracellular concentration of cryoprotectants after vitrification than after slow freezing despite exposure to higher concentration of cryoprotectant solutions.
Published in:
Human Reproduction, 2013, v. 28, n. 8, p. 2101, doi. 10.1093/humrep/det107
By:
- Vanderzwalmen, P.;
- Connan, D.;
- Grobet, L.;
- Wirleitner, B.;
- Remy, B.;
- Vanderzwalmen, S.;
- Zech, N.;
- Ectors, F.J.
Publication type:
Article
Lower intracellular concentration of cryoprotectants after vitrification than after slow freezing despite exposure to higher concentration of cryoprotectant solutions.
Published in:
2013
By:
- Vanderzwalmen, P;
- Connan, D;
- Grobet, L;
- Wirleitner, B;
- Remy, B;
- Vanderzwalmen, S;
- Zech, N;
- Ectors, F J
Publication type:
Journal Article
Cytoskeletal analysis of human blastocysts by confocal laser scanning microscopy following vitrification.
Published in:
2012
By:
- Chatzimeletiou K;
- Morrison EE;
- Panagiotidis Y;
- Vanderzwalmen P;
- Prapas N;
- Prapas Y;
- Tarlatzis BC;
- Handyside AH
Publication type:
Journal Article
GnRH agonist versus GnRH antagonist in oocyte donation cycles: a prospective randomized study.
Published in:
Human Reproduction, 2005, v. 20, n. 6, p. 1516, doi. 10.1093/humrep/deh832
By:
- N. Prapas;
- Y. Prapas;
- Y. Panagiotidis;
- S. Prapa;
- P. Vanderzwalmen;
- R. Schoysman;
- G. Makedos
Publication type:
Article
Cervical dilatation has a positive impact on the outcome of IVF in randomly assigned cases having two previous difficult embryo transfers.
Published in:
Human Reproduction, 2004, v. 19, n. 8, p. 1791, doi. 10.1093/humrep/deh320
By:
- N. Prapas;
- Y. Prapas;
- Y. Panagiotidis;
- S. Prapa;
- P. Vanderzwalmen;
- G. Makedos
Publication type:
Article
Vitrification of human blastocysts with the Hemi-Straw carrier: application of assisted hatching after thawing.
Published in:
2003
By:
- Vanderzwalmen, P;
- Bertin, G;
- Debauche, Ch;
- Standaert, V;
- Bollen, N;
- van Roosendaal, E;
- Vandervorst, M;
- Schoysman, R;
- Zech, N
Publication type:
journal article
Vitrification of human blastocysts with the Hemi-Straw carrier: application of assisted hatching after thawing.
Published in:
Human Reproduction, 2003, v. 18, n. 7, p. 1504, doi. 10.1093/humrep/deg298
By:
- P. Vanderzwalmen;
- G. Bertin;
- C. Debauche;
- V. Standaert;
- N. Bollen;
- E.v. Roosendaal;
- M. Vandervorst;
- R. Schoysman;
- N. Zech
Publication type:
Article
Pronuclear morphology scoring and chromosomal status of embryos in severe male infertility.
Published in:
2002
By:
- Kahraman, S.;
- Kumtepe, Y.;
- Sertyel, S.;
- Dönmez, E.;
- Benkhalifa, M.;
- Fındıklı, N.;
- Vanderzwalmen, P.;
- Findikli, N
Publication type:
journal article
How homogeneous are comparison groups in any study evaluating techniques of embryo transfer?
Published in:
Human Reproduction, 2002, v. 17, n. 4, p. 1130, doi. 10.1093/humrep/17.4.1130
By:
- Prapas, Y.;
- Prapas, N.;
- Hatziparasidou, A.;
- Vanderzwalmen, P.;
- Nijs, M.;
- Prapa, S.;
- Vlassis, G.
Publication type:
Article
Births after vitrification at morula and blastocyst stages: effect of artificial reduction of the blastocoelic cavity before vitrification.
Published in:
2002
By:
- Vanderzwalmen, P.;
- Bertin, G.;
- Debauche, Ch.;
- Standaert, V.;
- van Roosendaal, E.;
- Vandervorst, M.;
- Bollen, N.;
- Zech, H.;
- Mukaida, T.;
- Takahashi, K.;
- Schoysman, R.;
- Vanderzwalmen, Pierre
Publication type:
journal article
Ultrasound-guided embryo transfer maximizes the IVF results on day 3 and day 4 embryo transfer but has no impact on day 5.
Published in:
2001
By:
- Prapas, Y.;
- Prapas, N.;
- Hatziparasidou, A.;
- Vanderzwalmen, P.;
- Nijs, M.;
- Prapa, S.;
- Vlassis, G.
Publication type:
journal article
Congenital malformations after intracytoplasmic injection of spermatids.
Published in:
2000
By:
- Zech, H.;
- Vanderzwalmen, P.;
- Prapas, Y.;
- Lejeune, B.;
- Duba, E.;
- Schoysman, R.
Publication type:
journal article
Spermatid injection: reconsidering spermatid injection.
Published in:
1999
By:
- Prapas, Y;
- Chatziparasidou, A;
- Vanderzwalmen, P;
- Nijs, M;
- Prapas, N;
- Lejeune, B;
- Vlassis, G;
- Schoysman, R
Publication type:
journal article
Spermatid injection.
Published in:
Human Reproduction, 1999, v. 14, n. 9, p. 2186, doi. 10.1093/humrep/14.9.2186
By:
- Prapas, Y.;
- Chatziparasidou, A.;
- Vanderzwalmen, P.;
- Nijs, M.;
- Prapas, N.;
- Lejeune, B.;
- Vlassis, G.;
- Schoysman, R.
Publication type:
Article
Fertility of ejaculated and testicular megalohead spermatozoa with intracytoplasmic sperm injection.
Published in:
1999
By:
- Kahraman, S;
- Akarsu, C;
- Cengiz, G;
- Dirican, K;
- Sözen, E;
- Can, B;
- Güven, C;
- Vanderzwalmen, P
Publication type:
journal article
The problems of spermatid microinjection in the human: the need for an accurate morphological approach and selective methods for viable and normal cells.
Published in:
1998
By:
- Vanderzwalmen, P;
- Nijs, M;
- Schoysman, R;
- Bertin, G;
- Lejeune, B;
- Vandamme, B;
- Kahraman, S;
- Zech, H
Publication type:
journal article
Debate. Are spermatid injections of any clinical value? The problems of spermatid microinjection in the human: the need for an accurate morphological approach and selective methods for viable and normal cells.
Published in:
Human Reproduction, 1998, v. 13, n. 3, p. 515, doi. 10.1093/oxfordjournals.humrep.a019693
By:
- Vanderzwalmen, P;
- Nijs, M;
- Schoysman, R;
- Bertin, G;
- Lejeune, B;
- Vandamme, B;
- Kahraman, S;
- Zech, H
Publication type:
Article
Successful treatment of idiopathic anejaculation with electroejaculation after microsurgical vas aspiration.
Published in:
1998
By:
- Vanderschueren, D;
- Spiessens, C;
- Kiekens, C;
- Vanderzwalmen, P;
- Nijs, M;
- Schoysman, R;
- D'Hooghe, T
Publication type:
journal article
Case report. Successful treatment of idiopathic anejaculation with electroejaculation after microsurgical vas aspiration.
Published in:
Human Reproduction, 1998, v. 13, n. 2, p. 370, doi. 10.1093/humrep/13.2.370
By:
- Vanderschueren, D;
- Spiessens, C;
- Kiekens, C;
- Vanderzwalmen, P;
- Nijs, M;
- Schoysman, R;
- D'Hooghe, T
Publication type:
Article
Is there a future for spermatid injections?
Published in:
Human Reproduction, 1998, v. 13, n. suppl_4, p. 71, doi. 10.1093/humrep/13.suppl_4.71
By:
- Vanderzwalmen, P.;
- Nijs, M.;
- Stecher, A.;
- Zech, H.;
- Bertin, G.;
- Lejeune, B.;
- Vandamme, B.;
- Chatziparasidou, A.;
- Prapas, Y.;
- Schoysman, R.
Publication type:
Article
Relationship of human follicular diameter with oocyte fertilization and development after in-vitro fertilization or intracytoplasmic sperm injection.
Published in:
Human Reproduction, 1997, v. 12, n. 9, p. 2002, doi. 10.1093/humrep/12.9.2002
By:
- Ectors, F J;
- Vanderzwalmen, P;
- Van Hoeck, J;
- Nijs, M;
- Verhaegen, G;
- Delvigne, A;
- Schoysman, R;
- Leroy, F
Publication type:
Article
Intracytoplasmic injection of spermatids retrieved from testicular tissue: influence of testicular pathology, type of selected spermatids and oocyte activation.
Published in:
Human Reproduction, 1997, v. 12, n. 6, p. 1203, doi. 10.1093/humrep/12.6.1203
By:
- Vanderzwalmen, P;
- Zech, H;
- Birkenfeld, A;
- Yemini, M;
- Bertin, G;
- Lejeune, B;
- Nijs, M;
- Segal, L;
- Stecher, A;
- Vandamme, B;
- van Roosendaal, E;
- Schoysman, R
Publication type:
Article
Andrology: Fertilizing ability of immotile spermatozoa after intracytoplasmic sperm injection.
Published in:
Human Reproduction, 1996, v. 11, n. 10, p. 2180, doi. 10.1093/oxfordjournals.humrep.a019073
By:
- Nijs, M.;
- Vanderzwalmen, P.;
- Vandamme, B.;
- Segal-Bertin, G.;
- Lejeune, B.;
- Segal, L.;
- van Roosendaal, E.;
- Schoysman, R.
Publication type:
Article
Pregnancies achieved with testicular and ejaculated spermatozoa in combination with intracytoplasmic sperm injection in men with totally or initially immotile spermatozoa in the ejaculate.
Published in:
1996
By:
- Kahraman, Semra;
- Tasdemir, Murat;
- Tasdemir, Işlk;
- Vicdan, Kubilay;
- Özgür, Suat;
- Polat, Gurur;
- Işlk, Ahmet Z.;
- Biberoğlu, Kutay;
- Vanderzwalmen, Pierre;
- Nijs, Martine;
- Schoysman, Robert;
- Kahraman, S;
- Tasdemir, M;
- Tasdemir, I;
- Vicdan, K;
- Ozgur, S;
- Polat, G;
- Islk, A Z;
- Biberoğlu, K;
- Vanderzwalmen, P
Publication type:
journal article
Two essential steps for a successful intracytoplasmic sperm injection: injection of immobilized spermatozoa after rupture of the oolema.
Published in:
1996
By:
- Vanderzwalmen, P.;
- Bertin, G.;
- Lejeune, B.;
- Nijs, M.;
- Vandamme, B.;
- Schoysman, R.
Publication type:
journal article
High implantation and pregnancy rates with testicular sperm extraction and intracytoplasmic sperm injection in obstructive and non-obstructive azoospermia.
Published in:
1996
By:
- Kahraman, S.;
- Özgür, S.;
- Alataş, C.;
- Aksoy, S.;
- Balaban, B.;
- Evrenkaya, T.;
- Nuhoğlu, A.;
- Taşdemir, M.;
- Biberoğlu, K.;
- Schoysman, R.;
- Vanderzwalmen, P.;
- Nijs, M.;
- Ozgür, S
Publication type:
journal article
Fertilization of an oocyte microinseminated with a spermatid in an in-vitro fertilization programme.
Published in:
1995
By:
- Vanderzwalmen, P.;
- Lejeune, B.;
- Nij, M.;
- Segal-Bertin, G.;
- Vandamme, B.;
- Schoysman, R.;
- Nijs, M
Publication type:
journal article
Successful fertilization by testicular spermatozoa in an in-vitro fertilization programme.
Published in:
1993
By:
- Schoysman, R.;
- Vanderzwalmen, P.;
- Nijs, M.;
- Segal-Bertin, G.;
- van de Casseye, M.
Publication type:
Case Study
A monozygotic twin pregnancy after application of zona rubbing on a frozen-thawed blastocyst.
Published in:
1993
By:
- Nijs, M;
- Vanderzwalmen, P;
- Segal-Bertin, G;
- Geerts, L;
- Van Roosendaal, E;
- Segal, L;
- Schoysman-Deboeck, A;
- Schoysman, R
Publication type:
journal article
CASE REPORT: A monozygotic twin pregnancy after application of zona rubbing on a frozen—thawed blastocyst.
Published in:
Human Reproduction, 1993, v. 8, n. 1, p. 127
By:
- Nijs, M.;
- Vanderzwalmen, P.;
- Segal-Bertin, G.;
- Geerts, L.;
- van Roosendaal, E.;
- Segal, L.;
- Schoysman-Deboeck, A.;
- Schoysman, R.
Publication type:
Article
Usefulness of partial dissection of the zona pellucida in a human in-vitro fertilization programme.
Published in:
1992
By:
- Vanderzwalmen, P.;
- Barlow, P.;
- Nijs, M.;
- Bertin, G.;
- Leroy, F.;
- Schoysman, R.
Publication type:
journal article
Individual demands of human embryos on IVF culture medium: influence on blastocyst development and pregnancy outcome.
Published in:
Reproductive BioMedicine Online (Reproductive Healthcare Limited), 2010, v. 21, n. 6, p. 776, doi. 10.1016/j.rbmo.2010.08.003
By:
- Wirleitner, B.;
- Vanderzwalmen, P.;
- Stecher, A.;
- Zech, M. H.;
- Zintz, M.;
- Zech, N. H.
Publication type:
Article
Aseptic vitrification of blastocysts from infertile patients, egg donors and after IVM.
Published in:
Reproductive BioMedicine Online (Reproductive Healthcare Limited), 2009, v. 19, n. 5, p. 700, doi. 10.1016/j.rbmo.2009.09.011
By:
- Vanderzwalmen, P.;
- Ectors, F.;
- Grobet, L.;
- Prapas, Y.;
- Panagiotidis, Y.;
- Vanderzwalmen, S.;
- Stecher, A.;
- Frias, P.;
- Liebermann, J.;
- Zech, N. H.
Publication type:
Article
Morphology of vitrified/warmed day-5 embryos predicts rates of implantation, pregnancy and live birth.
Published in:
Reproductive BioMedicine Online (Reproductive Healthcare Limited), 2009, v. 19, n. 1, p. 72, doi. 10.1016/S1472-6483(10)60049-1
By:
- Ebner, T.;
- Vanderzwalmen, P.;
- Shebl, O.;
- Urdl, W.;
- Moser, M.;
- Zech, N. H.;
- Tews, G.
Publication type:
Article

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