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Frequently Asked Questions for Assisted Reproduction

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Nikolettos, N., Triantafillidis, I., Karachaliou, V., Koutsougeras, G., Vakalopoulos, I.
The effects of benzoylecgonine, oxytocin, ritodrine and atosiban on the contractility of myometrium. An experimental study
(2012) Clinical and Experimental Obstetrics and Gynecology, 39 (1), pp. 36-42.



Gianisslis, G., Simopoulou, M., Vakalopoulos, I., Zeginiadou, T., Tripsianis, G., Ktenidou-Kartali, S., Nikolettos, N., Asimakopoulos, B.
Serum pattern of circulating soluble receptor of leptin throughout the menstrual cycle
(2011) Minerva Ginecologica, 63 (4), pp. 339-342.



Asimakopoulos, B., Kotanidis, L., Nikolettos, N.
In vitro maturation and fertilization of vitrified immature human oocytes, subsequent vitrification of produced embryos, and embryo transfer after thawing
(2011) Fertility and Sterility, 95 (6), pp. 2123.e1-2123.e2. Cited 1 time.



Sivridis, E., Stamos, C., Fiska, A., Nikolettos, N., Koukourakis, M.I., Giatromanolaki, A.
C-erbB-2 and the "triple-state" in early breast carcinomas
(2010) Medical Oncology, 27 (3), pp. 578-584. Cited 2 times.



Asimakopoulos, B., Demirel, C., Felberbaum, R., Waczek, S., Nikolettos, N., Köster, F., Al-Hasani, S., Diedrich, K.
Concentrations of inflammatory cytokines and the outcome in ICSI cycles
(2010) In Vivo, 24 (4), pp. 495-500. Cited 1 time.



Kavallaris, A., Mytas, S., Chalvatzas, N., Nikolettos, N., Diedrich, K., Bohlmann, M.K., Hornemann, A.
Seven years' experience in laparoscopic dissection of intact ovarian dermoid cysts
(2010) Acta Obstetricia et Gynecologica Scandinavica, 89 (3), pp. 390-392. Cited 1 time.




Asimakopoulos, B., Milousis, A., Gioka, T., Kabouromiti, G., Gianisslis, G., Troussa, A., Simopoulou, M., Katergari, S., Tripsianis, G., Nikolettos, N.
Serum pattern of circulating adipokines throughout the physiological menstrual cycle
(2009) Endocrine Journal, 56 (3), pp. 425-433. Cited 15 times.




Asimakopoulos, B., Köster, F., Felberbaum, R., Tripsiannis, G., Caglar, G.S., Nikolettos, N., Al-Hasani, S., Diedrich, K.
Intrafollicular and circulating concentrations of leptin do not predict the outcome in IVF-ICSI cycles
(2009) Reproductive Sciences, 16 (1), pp. 113-119. Cited 4 times.



Lialiaris, T., Lyratzopoulos, E., Papachristou, F., Simopoulou, M., Mourelatos, C., Nikolettos, N.
Supplementation of melatonin protects human lymphocytes in vitro from the genotoxic activity of melphalan
(2008) Mutagenesis, 23 (5), pp. 347-354. Cited 11 times.



Pagonopoulou, O., Efthimiadou, A., Lambropoulou, M., Papadopoulos, N., Nikolettos, N.K.
Erythropoietin and growth factors exhibit differential angiogenic potential in mouse heart
(2008) In Vivo, 22 (5), pp. 587-592. Cited 1 time.



Katergari, S.A., Milousis, A., Pagonopoulou, O., Asimakopoulos, B., Nikolettos, N.K.
Review: Ghrelin in pathological conditions
(2008) Endocrine Journal, 55 (3), pp. 439-453. Cited 22 times.



Asimakopoulos, B., Abu-Hassan, D., Metzen, E., Al-Hasani, S., Diedrich, K., Nikolettos, N.
The levels of steroid hormones and cytokines in individual follicles are not associated with the fertilization outcome after intracytoplasmic sperm injection
(2008) Fertility and Sterility, 90 (1), pp. 60-64. Cited 7 times.



Nikolettos, N., Asimakopoulos, B., Köster, F., Schöpper, B., Schulz, Ch., Caglar, G.S., Efthimiadou, A., Pagonopoulou, O., Diedrich, K., Al-Hasani, S.
Cytokine profile in cases with premature elevation of progesterone serum concentrations during ovarian stimulation
(2008) Physiological Research, 57 (2), pp. 215-224. Cited 3 times.



Metallinou, C., Asimakopoulos, B., Schröer, A., Nikolettos, N.
Gonadotropin-releasing hormone in the ovary
(2007) Reproductive Sciences, 14 (8), pp. 737-749. Cited 20 times.



Caglar, G.S., Köster, F., Schöpper, B., Asimakopoulos, B., Nehls, B., Nikolettos, N., Diedrich, K., Al-Hasani, S.
Semen DNA fragmentation index, evaluated with both TUNEL and comet assay, and the ICSI outcome
(2007) In Vivo, 21 (6), pp. 1075-1080. Cited 5 times.



Efthimiadou, A., Pagonopoulou, O., Lambropoulou, M., Papadopoulos, N., Nikolettos, N.K.
Erythropoietin enhances angiogenesis in an experimental cyclosporine A-induced nephrotoxicity model in the rat
(2007) Clinical and Experimental Pharmacology and Physiology, 34 (9), pp. 866-869. Cited 11 times.



Tentes, I., Asimakopoulos, B., Mourvati, E., Diedrich, K., Al-Hasani, S., Nikolettos, N.
Matrix metalloproteinase (MMP)-2 and MMP-9 in seminal plasma
(2007) Journal of Assisted Reproduction and Genetics, 24 (7), pp. 278-281. Cited 7 times.



Asimakopoulos, B., Köster, F., Felberbaum, R., Al-Hasani, S., Diedrich, K., Nikolettos, N.
Cytokine and hormonal profile in blood serum and follicular fluids during ovarian stimulation with the multidose antagonist or the long agonist protocol
(2006) Human Reproduction, 21 (12), pp. 3091-3095. Cited 13 times.



Pagonopoulou, O., Efthimiadou, A., Asimakopoulos, B., Nikolettos, N.K.
Modulatory role of adenosine and its receptors in epilepsy: Possible therapeutic approaches
(2006) Neuroscience Research, 56 (1), pp. 14-20. Cited 23 times.



Asimakopoulos, B., Nikolettos, N., Nehls, B., Diedrich, K., Al-Hasani, S., Metzen, E.
Gonadotropin-releasing hormone antagonists do not influence the secretion of steroid hormones but affect the secretion of vascular endothelial growth factor from human granulosa luteinized cell cultures
(2006) Fertility and Sterility, 86 (3), pp. 636-641. Cited 16 times.



Efthimiadou, A., Asimakopoulos, B., Nikolettos, N., Giatromanolaki, A., Sivridis, E., Lialiaris, T., Papachristou, D.N., Kontoleon, E.
The angiogenetic effect of intramuscular administration of b-FGF and a-FGF on cardiac muscle: The influence of exercise on muscle angiogenesis
(2006) Journal of Sports Sciences, 24 (8), pp. 849-854. Cited 5 times.



Nikolettos, N., Asimakopoulos, B., Papastefanou, I.S.
Intracytoplasmic Sperm Injection-An Assisted Reproduction Technique That Should Make Us Cautious About Imprinting Deregulation
(2006) Journal of the Society for Gynecologic Investigation, 13 (5), pp. 317-328. Cited 9 times.



Asimakopoulos, B., Schöpper, B., Dawson, A., Caglar, G.S., Vakalopoulos, I., Al-Hasani, S., Diedrich, K., Nikolettos, N.
IGF-I and epidermal growth factor levels in follicular fluid of women undergoing controlled ovarian hyperstimulation using the multidose GnRH-antagonist protocol or the long GnRH-agonist protocol
(2006) Journal of Endocrinological Investigation, 29 (5), pp. RC5-RC8. Cited 8 times.



Efthimiadou, A., Nikolettos, N.K., Lambropoulou, M., Papadopoulos, N., Kontoleon, E.
Angiogenic effect of intramuscular administration of basic fibroblast growth factor in atrophied muscles: An experimental study in the rat
(2006) British Journal of Sports Medicine, 40 (4), pp. 355-358. Cited 5 times.




Efthimiadou, A., Lambropoulou, M., Pagonopoulou, O., Vakalopoulous, I., Papadopoulous, N., Nikolettos, N.
The role of the basic-fibroblast growth factor (b-FGF) in cylosporine-induced nephrotoxicity
(2006) In Vivo, 20 (2), pp. 265-270. Cited 3 times.



Efthimiadou, A., Asimakopoulos, B., Nikolettos, N., Giatromanolaki, A., Sivridis, E., Papachristou, D.N., Kontoleon, E.
Angiogenic effect of intramuscular administration of basic and acidic fibroblast growth factor on skeletal muscles and influence of exercise on muscle angiogenesis
(2006) British Journal of Sports Medicine, 40 (1), pp. 35-39. Cited 10 times.



Karydis, S., Asimakopoulos, B., Papadopoulos, N., Vakalopoulos, I., Al-Hasani, S., Nikolettos, N.
ICSI outcome is not associated with the incidence of spermatozoa with abnormal chromatin condensation
(2005) In Vivo, 19 (5), pp. 921-926. Cited 5 times.



Asimakopoulos, B., Nikolettos, N., Papachristou, D.N., Simopoulou, M., Al-Hasani, S., Diedrich, K.
Follicular fluid levels of vascular endothelial growth factor and leptin are associated with pregnancy outcome of normal women participating in intracytoplasmic sperm injection cycles
(2005) Physiological Research, 54 (3), pp. 263-270. Cited 21 times.



Lambropoulou, M., Alexiadis, G., Limberis, V., Nikolettos, N., Tripsianis, G.
Clinicopathologic and prognostic significance of cyclooxygenase-2 expression in endometrial carcinoma
(2005) Histology and Histopathology, 20 (3), pp. 753-759. Cited 10 times.



Caglar, G.S., Asimakopoulos, B., Nikolettos, N., Diedrich, K., Al-Hasani, S.
Recombinant LH in ovarian stimulation
(2005) Reproductive BioMedicine Online, 10 (6), pp. 774-785. Cited 12 times.



Caglar, G.S., Hammadeh, M., Asimakopoulos, B., Nikolettos, N., Diedrich, K., Al-Hassani, S.
In vivo and in vitro decondensation of human sperm and assisted reproduction technologies
(2005) In Vivo, 19 (3), pp. 623-630. Cited 6 times.




Dafopoulos, K., Griesinger, G., Schultze-Mosgau, A., Orief, Y., Schöpper, B., Nikolettos, N., Diedrich, K., Al-Hasani, S.
Factors affecting outcome after ICSI with spermatozoa retrieved from cryopreserved testicular tissue in non-obstructive azoospermia
(2005) Reproductive BioMedicine Online, 10 (4), pp. 455-460. Cited 10 times.



Dafopoulos, K., Griesinger, G., Schultze-Mosgau, A., Orief, Y., Schöpper, B., Nikolettos, N., Diedrich, K., Al-Hasani, S.
Cumulative pregnancy rate after ICSI with cryopreserved testicular tissue in non-obstructive azoospermia
(2005) Reproductive BioMedicine Online, 10 (4), pp. 461-466. Cited 10 times.



Orief, Y., Nikolettos, N., Al-Hassani, S.
Cryopreservation of two pronuclear stage zygotes
(2005) Reviews in Gynaecological Practice, 5 (1), pp. 39-44. Cited 3 times.



Caglar, G.S., Asimakopoulos, B., Nikolettos, N., Diedrich, K., Al-Hasani, S.
Preimplantation genetic diagnosis for aneuploidy screening in repeated implantation failure
(2005) Reproductive BioMedicine Online, 10 (3), pp. 381-388. Cited 23 times.



Efthimiadou, A., Asimakopoulos, B., Nikolettos, N., Giatromanolaki, A., Sivridis, E., Lialiaris, T.S., Papachristou, D.N., Kontoleon, E.
The angiogenetic effect of intramuscular administration of VEGF on muscle. The influence of exercise on angiogenesis
(2004) In Vivo, 18 (6), pp. 825-830. Cited 8 times.



Nikolettos, N., Asimakopoulos, B., Nicolettos, N., Efthimiadou, A., Mourvati, E., Demirel, C.
Evaluation of leptin, interleukin-1β, tumor necrosis factor-α and vascular endothelial growth factor in serum and follicular fluids of women undergoing controlled ovarian hyperstimulation as prognostic markers of ICSI outcome
(2004) In Vivo, 18 (5), pp. 667-674. Cited 10 times.



Nikolettos, N., Asimakopoulos, B., Simopoulou, M., Al-Hasani, S., Diedrich, K.
Gonadotropin releasing hormone antagonists and cryopreservation outcome: A review
(2004) Archives of Gynecology and Obstetrics, 270 (2), pp. 69-73. Cited 5 times.



Nikolettos, N., Asimakopoulos, B., Simopoulou, M., Efthimiadou, A., Tsoulou, S., Al-Hasani, S., Diedrich, K.
Cetrorelix in ICSI Cycles of Women with one Ovary
(2004) Review of Clinical Pharmacology and Pharmacokinetics, International Edition, 18 (1), pp. 146-147.



Nikolettos, N., Asimakopoulos, B., Simopoulou, M., Al-Hasani, S.
A borderline form of empty follicle syndrome. Case report
(2004) Clinical and Experimental Obstetrics and Gynecology, 31 (1), pp. 79-80. Cited 4 times.



Nikolettos, N., Asimakopoulos, B., Diedrich, K., Al-Hasani, S.
Triptorelin versus cetrorelix in intracytoplasmic sperm injection cycles in women with a single ovary
(2004) European Journal of Obstetrics Gynecology and Reproductive Biology, 112 (2), pp. 185-188. Cited 1 time.



Nikolettos, N., Asimakopoulos, B., Vakalopoulos, I., Orologa, M., Hatzissabas, I.
Father-to-son sperm donation. A report of three cases
(2003) Clinical and Experimental Obstetrics and Gynecology, 30 (4), pp. 226-228.



Nikolettos, N., Asimakopoulos, B., Simopoulou, M., Al-Hasani, S.
GnRH agonist administration after embryo transfer, in long protocol stimulated cycles, prevents ovarian hyperstimulation syndrome. A report of five cases
(2003) In Vivo, 17 (6), pp. 655-658. Cited 4 times.



Tentes, I., Asimakopoulos, B., Hellman, U., Nikolettos, N., Kortsaris, A., Kontoleon-Vakalopoulou, E.
Subcellular fractionation and electrophoretic analysis of proteins from the regenerating nerve in rabbits following treatment with triiodothyronine (T3)
(2003) In Vivo, 17 (6), pp. 601-608. Cited 2 times.



Asimakopoulos, B., Simopoulou, M., Al-Hasani, S., Nikolettos, N.
Women with one ovary in in-vitro fertilisation.
(2003) Folia medica, 45 (1), pp. 25-29.



Al-Hasani, S., Asimakopoulos, B., Nikolettos, N., Diedrich, K.
Comparison of the response to ovarian stimulation between women with one ovary and those with two ovaries, in a program of ICSI/ET
(2003) Acta Obstetricia et Gynecologica Scandinavica, 82 (9), pp. 845-849. Cited 3 times.



Asimakopoulos, B., Al-Hasani, S., Nikolettos, N., Diedrich, K.
A comparison of the ovarian response to external stimulation between women with right or left ovary participating in programs of ICSI/ET
(2003) Archives of Gynecology and Obstetrics, 268 (3), pp. 168-171.



Schröder, A.K., Asimakopoulos, B., Nikolettos, N., Diedrich, K., Al-Hasani, S.
Women with only one ovary: Do they have lower potential for reproduction? [Frauen mit nur einem eierstock: Verfügen sie über ein niedrigeres reproduktives potenzial?]
(2003) Reproduktionsmedizin, 19 (2), pp. 81-83.



Nikolettos, N., Asimakopoulos, B., Hatzissabas, I.
Intrafamilial sperm donation: Ethical questions and concerns
(2003) Human Reproduction, 18 (5), pp. 933-936. Cited 6 times.



Asimakopoulos, B., Nikolettos, N., Al-Hasani, S., D'Hooghe, T., Debrock, S., Spiessens, C., Afschrift, H., Bakelants, E., Meuleman, C., Meuuwis, L.
Prospective randomized study on day of embryo transfer (multiple letters)
(2003) Human Reproduction, 18 (4), pp. 892-893.



Nikolettos, N., Asimakopoulos, B., Tentes, L., Schöpper, B., Al-Hasani, S.
Matrix metalloproteinases 2 and 9 in follicular fluids of patients undergoing controlled ovarian stimulation for ICSI/ET
(2003) In Vivo, 17 (2), pp. 201-204. Cited 5 times.



Schöpper, B., Köster, F., Asimakopoulos, B., Diedrich, K., Nikolettos, N., Al-Hasani, S.
Is the outcome of an infertility treatment with intracytoplasmic sperm injection in women with a single ovary dependent on the location of the ovary? [Ist der erfolg einer sterilitätsbehandlung mit intrazytoplasmatischer spermieninjektion bei einseitig ovarektomierten frauen von der lage des verbliebenen ovars abhängig?]
(2003) Journal fur Fertilitat und Reproduktion, 13 (1), pp. 13-15.



Asimakopoulos, B., Nikolettos, N., Al-Hasani, S., Diedrich, K.
An evaluation of the multiple dose protocol of cetrorelix in single ovary women
(2003) In Vivo, 17 (1), pp. 89-92. Cited 4 times.



Nikolettos, N., Asimakopoulos, B., Vakalopoulos, I., Simopoulou, M.
Endometrial fluid accumulation during controlled ovarian stimulation for ICSI treatment. A report of three cases
(2002) Clinical and Experimental Obstetrics and Gynecology, 29 (4), pp. 290-292. Cited 2 times.



Nikolettos, N., Al-Hasani, S., Küpker, W., Vakalopoulos, I., Asimakopoulos, B., Fornara, P., Diedrich, K.
Comparison of poor responders with good responders using intentionally frozen-thawed epididymal spermatozoa in subsequent ICSI cycles
(2002) Clinical and Experimental Obstetrics and Gynecology, 29 (2), pp. 131-134. Cited 2 times.



Nikolettos, N., Al-Hasani, S., Fornara, P., Vakalopoulos, I., Asimakopoulos, B., Diedrich, K.
Outcome of anticipated ICSI cycles using intentionally frozen-thawed testicular spermatozoa according to the spouse's response to ovarian stimulation
(2002) Clinical and Experimental Obstetrics and Gynecology, 29 (2), pp. 126-130. Cited 3 times.



Nikolettos, N., Al-Hasani, S., Felberbaum, R., Demirel, L.C., Kupker, W., Montzka, P., Xia, Y.X., Schopper, B., Sturm, R., Diedrich, K.
Gonadotropin-releasing hormone antagonist protocol: A novel method of ovarian stimulation in poor responders
(2001) European Journal of Obstetrics Gynecology and Reproductive Biology, 97 (2), pp. 202-207. Cited 53 times.



Nikolettos, N., Al-Hasani, S., Demirel, C., Hoepfner, A.-S., Schöpper, B., Sturm, R., Bals-Pratsch, M., Küpker, W., Diedrich, K.
Comparison of pregnancy rates of frozen-thawed human oocytes in the pronuclear stage transferred 2-3 hours after thawing or after 24 hours culturing: A retrospective analysis
(2001) Middle East Fertility Society Journal, 6 (1), pp. 34-42. Cited 1 time.



Nikolettos, N., Al-Hasani, S.
Frozen pronuclear oocytes: Advantages for the patient
(2000) Molecular and Cellular Endocrinology, 169 (1-2), pp. 55-62. Cited 4 times.



Nikolettos, N., Al-Hasani, S., Felberbaum, R., Demirel, L.C., Riethmüller-Winzen, H., Reissmann, T., Schöpper, B., Sturm, R., Diedrich, K.
Comparison of cryopreservation outcome with human pronuclear stage oocytes obtained by the GnRH antagonist, Cetrorelix, and GnRH agonists
(2000) European Journal of Obstetrics Gynecology and Reproductive Biology, 93 (1), pp. 91-95. Cited 20 times.



Nikolettos, N., Al-Hasani, S., Demirel, C., Küpker, W., Bals-Pratsch, M., Sandmann, J., Fornara, P., Schöpper, B., Sturm, R., Diedrich, K.
Outcome of ICSI cycles using frozen-thawed surgically obtained spermatozoa in poor responders to ovarian stimulation: Cancellation or proceeding to ICSI?
(2000) European Journal of Obstetrics Gynecology and Reproductive Biology, 92 (2), pp. 259-264. Cited 2 times.



Nikolettos, N., Kupker, W., Al-Hasani, S., Demirel, L.C., Schöpper, B., Sturm, R., Diedrich, K.
ICSI outcome in patients of 40 years age and over: A retrospective analysis
(2000) European Journal of Obstetrics Gynecology and Reproductive Biology, 91 (2), pp. 177-182. Cited 19 times.



Schöpper, B., Al-Hasani, S., Ludwig, M., Nikolettos, N., Diedrich, K.
Intracytoplasmic injection of spermatids postmeiotic maturation arrest [Die intrazytoplasmatische injektion von spermatiden bei postmeiotischem reifungsarrest]
(2000) Gynakologe, 33 (2), pp. 125-129.



Nikolettos, N., Demirel, C.L., Al-Hasani, S., Nikolettos, N., Mansour, R.T., Rhodes, C.A., Jaroudi, K., Hassan, H.A.
Blastocyst versus day 2 or 3 embryo transfer
(2000) Middle East Fertility Society Journal, 5 (1), pp. 23-35.



Demirel, C.L., Nikolettos, N., Al-Hasani, S.
Current perspectives of blastocyst stage transfer
(1999) Middle East Fertility Society Journal, 4 (3), pp. 181-187.



Küpker, W., Al-Hasani, S., Schöpper, B., Nikolettos, N., Diedrich, K.
Limitations of reproduction medicine in male subfertility. Treatment of severe spermatogenesis disorders [Grenzen der reproduktionsmedizin bei mannlicher subfertilitat: Die behandlung der schweren spermatogenesestorung]
(1999) Urologe - Ausgabe A, 38 (6), pp. 575-582. Cited 3 times.



Nikolettos, N., Küpker, W., Demirel, C., Schöpper, B., Blasig, C., Sturm, R., Felberbaum, R., Bauer, O., Diedrich, K., Al-Hasani, S.
Fertilization potential of spermatozoa with abnormal morphology
(1999) Human Reproduction, 14 (SUPPL. 1), pp. 47-70. Cited 12 times.



Küpker, W., Schwinger, E., Hiort, O., Ludwig, M., Nikolettos, N., Schlegel, P.N., Diedrich, K.
Genetics of male subfertility: Consequences for the clinical work-up
(1999) Human Reproduction, 14 (SUPPL. 1), pp. 24-37. Cited 26 times.



Nikolettos, N., Al-Hasani, S., Baukloh, V., Schöpper, B., Demirel, L.C., Baban, N., Sturm, R., Rudolf, K., Tomalak, K., Tinneberg, H.R., Diedrich, K.
The outcome of intracytoplasmic sperm injection in patients with retrograde ejaculation
(1999) Human Reproduction, 14 (9), pp. 2293-2296. Cited 19 times.



Al-Hasani, S., Demirel, L.C., Schöpper, B., Bals-Pratsch, M., Nikolettos, N., Küpker, W., Ugur, M., Sturm, R., Diedrich, K.
Pregnancies achieved after frozen-thawed pronuclear oocytes obtained by intracytoplasmic sperm injection with spermatozoa extracted from frozen-thawed testicular tissues from non-obstructive azoospermic men
(1999) Human Reproduction, 14 (8), pp. 2031-2035. Cited 31 times.
 
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