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1

Predictive value of the differential in nucleolar count (ND) between the pronuclei of 16–18 hour zygote and embryo quality on day 3 and 5

Igor Brusil, Levent Keskintepe, Mark Adamowicz, Raifa Zody, Jeffery D. Fisch, Geoffrey Sher

Journal:

Fertility and Sterility

Year:

2003

Language:

english

File:

PDF, 153 KB

english, 2003

2

Soluble HLA-G (sHLA-G) in human embryo culture media: a useful marker for assessing embryo quality, and implantation potential for IVF

Roumen Roussev, Levent Keskintepe, Carolyn Coulam, Geoffery Sher, Ghanima Maasarani

Journal:

Fertility and Sterility

Year:

2003

Language:

english

File:

PDF, 55 KB

english, 2003

3

Does the utilization of embryo glue give promise in donor embryo fets?

Thornton, Melvin, Ghaemi, Seyed, Keskintepe, Levent

Journal:

Fertility and Sterility

Year:

2018

Language:

english

File:

PDF, 110 KB

english, 2018

4

8-Cl-Adenosine Induces Growth Arrest without Differentiation of Primary Mouse Epidermal Keratinocytes

Dransfield, Daniel T., Griner, Richard D., Ray, Sagarika, Keskintepe, Meral, Bollag, Wendy B.

Journal:

The Journal of Investigative Dermatology

Year:

2001

Language:

english

File:

PDF, 245 KB

english, 2001

5

Human pregnancies after transfer of fresh (four-to eight-cell) versus frozen-thawed blastocysts resulting from intracytoplasmic sperm injection

E. J. Servy, R. A. Kaufmann, Z. Liu, Y. Menezo, L. Keskintepe

Journal:

Journal of Assisted Reproduction and Genetics

Year:

1998

Language:

english

File:

PDF, 404 KB

english, 1998

6

Vitrification of human embryos subjected to blastomere biopsy for pre-implantation genetic screening produces higher survival and pregnancy rates than slow freezing

Levent Keskintepe, Geoffrey Sher, Anna Machnicka, Drew Tortoriello, Aykut Bayrak, Jeffrey Fisch, Yuksel Agca

Journal:

Journal of Assisted Reproduction and Genetics

Year:

2009

Language:

english

File:

PDF, 217 KB

english, 2009

7

Embryo selection criteria based on morphology VERSUS the expression of a biochemical marker (sHLA-G) and a graduated embryo score: prediction of pregnancy outcome

Dirk J. Kotze, Polly Hansen, Levent Keskintepe, Ellen Snowden, Geoffrey Sher, Thinus Kruger

Journal:

Journal of Assisted Reproduction and Genetics

Year:

2010

Language:

english

File:

PDF, 155 KB

english, 2010

8

Derivation and comparison of C57BL/6 embryonic stem cells to a widely used 129 embryonic stem cell line

Levent Keskintepe, Karen Norris, Gabriela Pacholczyk, Suzanne Morris Dederscheck, Ali Eroglu

Journal:

Transgenic Research

Year:

2007

Language:

english

File:

PDF, 254 KB

english, 2007

9

Biotechnology and its application in the IVF treatment

Tahsin Yakut, Levent Keskintepe

Journal:

Current Opinion in Biotechnology

Year:

2011

Language:

english

File:

PDF, 72 KB

english, 2011

10

Improvement in bovine embryo production in vitro by glutathione-containing culture media

Gaia C. Luvoni, Levent Keskintepe, Benjamin G. Brackett

Journal:

Molecular Reproduction and Development

Year:

1996

Language:

english

File:

PDF, 784 KB

english, 1996

11

Effects of EGTA and slow freezing of bovine oocytes on post-thaw development in vitro

T. Mogas, L. Keskintepe, A.I. Younis, B.G. Brackett

Journal:

Molecular Reproduction and Development

Year:

1999

Language:

english

File:

PDF, 379 KB

english, 1999

12

Comparison of aneuploidy frequencies between in vitro matured and unstimulated cycles oocytes by metaphase comparative genomic hybridization (mCGH)

Tahsin Yakut, Mutlu Karkucak, Geoffrey Sher, Levent Keskintepe

Journal:

Molecular Biology Reports

Year:

2012

Language:

english

File:

PDF, 277 KB

english, 2012

13

Procedural improvements for in vitro production of viable uterine stage caprine embryos

L. Keskintepe, G.C. Luvoni, S.J. Rzucidlo, B.G. Brackett

Journal:

Small Ruminant Research

Year:

1996

Language:

english

File:

PDF, 710 KB

english, 1996

14

Oocyte karyotyping by comparative genomic hybrydization provides a highly reliable method for selecting “competent” embryos, markedly improving in vitro fertilization outcome: a multiphase study

Geoffrey Sher, Levent Keskintepe, Meral Keskintepe, Mike Ginsburg, Ghanima Maassarani, Tahsin Yakut, Volkan Baltaci, Dirk Kotze, Evrim Unsal

Journal:

Fertility and Sterility

Year:

2007

Language:

english

File:

PDF, 108 KB

english, 2007

15

Graduated Embryo Score and soluble human leukocyte antigen-G expression improve assisted reproductive technology outcomes and suggest a basis for elective single-embryo transfer

Jeffrey D. Fisch, Levent Keskintepe, Michael Ginsburg, Mark Adamowicz, Geoffrey Sher

Journal:

Fertility and Sterility

Year:

2007

Language:

english

File:

PDF, 107 KB

english, 2007

16

Gonadotropin-releasing hormone agonist/antagonist conversion with estrogen priming in low responders with prior in vitro fertilization failure

Jeffrey D. Fisch, Levent Keskintepe, Geoffrey Sher

Journal:

Fertility and Sterility

Year:

2008

Language:

english

File:

PDF, 133 KB

english, 2008

17

Reply of the Authors

Geoffrey Sher, L. Keskintepe

Journal:

Fertility and Sterility

Year:

2007

Language:

english

File:

PDF, 56 KB

english, 2007

18

Single embryo transfer (SET) day 3 vs. day 5 based on graduated embryo score (GES) and soluble human leukocyte antigen-g (sHLA-G): preliminary results of a prospective, randomized controlled trial

J.D. Fisch, M. Adamowicz, J. Hackworth, M. Ginsburg, L. Keskintepe, G. Sher

Journal:

Fertility and Sterility

Year:

2007

Language:

english

File:

PDF, 115 KB

english, 2007

19

Vaginal sildenafil selectively improves uterine receptivity in women with poorly estrogenized endometrium

G. Sher, J. Fisch, L. Keskintepe

Journal:

Fertility and Sterility

Year:

2007

Language:

english

File:

PDF, 41 KB

english, 2007

20

A retrospective analysis of fish “normal” blastomeres in failed PGD cycles: a preliminary report

L. Keskintepe, G. Sher, M. Ginsburg, M. Keskintepe, P. Okamoto, J. Crowley

Journal:

Fertility and Sterility

Year:

2007

Language:

english

File:

PDF, 41 KB

english, 2007

21

Multiple interventions did not cause any harmful affect on chromosomally normal donor embryos: case study

L. Keskintepe, A. Bayrak, G. Sher

Journal:

Fertility and Sterility

Year:

2008

Language:

english

File:

PDF, 54 KB

english, 2008

22

Embryo development rate may be affected by chromosomal constitution of an embryo

R. Sondeno, M. Keskintepe, M. Ginsburg, P. Okomoto, G. Sher, L. Keskintepe

Journal:

Fertility and Sterility

Year:

2008

Language:

english

File:

PDF, 46 KB

english, 2008

23

High survival rate of metaphase II human oocytes after first polar body biopsy and vitrification: determining the effect of previtrification conditions

Levent Keskintepe, Yuksel Agca, Geoffrey Sher, Meral Keskintepe, Ghanima Maassarani

Journal:

Fertility and Sterility

Year:

2009

Language:

english

File:

PDF, 341 KB

english, 2009

24

Genetic analysis of human embryos by metaphase comparative genomic hybridization (mCGH) improves efficiency of IVF by increasing embryo implantation rate and reducing multiple pregnancies and spontaneous miscarriages

Geoffrey Sher, Levent Keskintepe, Meral Keskintepe, Ghanima Maassarani, Drew Tortoriello, Steven Brody

Journal:

Fertility and Sterility

Year:

2009

Language:

english

File:

PDF, 132 KB

english, 2009

25

Efffective human and mouse blastocyst vitrification system: introducing Cryopette

L. Keskintepe, Y. Agca, A. Bayrak, G. Sher

Journal:

Fertility and Sterility

Year:

2009

Language:

english

File:

PDF, 35 KB

english, 2009

26

Frozen embryo transfer (FET) with blastocysts vitrified on day 5 or 6 for patients

K.K. Volentine, L. Keskintepe

Journal:

Fertility and Sterility

Year:

2009

Language:

english

File:

PDF, 48 KB

english, 2009

27

Processing semen for art using 5'-N-ethyl-carboxamidoadenosine (NECA) induced swim down enriches samples for morphology grade and DNA integrity of spermatozoa

Z. Beyhan, J.D. Fisch, G. Sher, L. Keskintepe

Journal:

Fertility and Sterility

Year:

2011

Language:

english

File:

PDF, 41 KB

english, 2011

28

Cryopreservation of bovine blastocysts obtained by intracytoplasmic sperm injection

L. Keskintepe, B.G. Brackett

Journal:

Year:

2000

Language:

english

File:

PDF, 1.61 MB

english, 2000

29

Cryopreservation of zona-intact and zona-free bovine blastocysts resulting from intracytoplasmic sperm injection

L Keskintepe, B.G Brackett

Journal:

Year:

1999

Language:

english

File:

PDF, 75 KB

english, 1999

30

Stable and unstable transgene integration sites in the human genome: extinction of the Green Fluorescent Protein transgene in K562 cells

Anna Rita Migliaccio, Chikh Bengra, Jianhua Ling, Wenhu Pi, Chunhua Li, Shan Zeng, Meral Keskintepe, Barry Whitney, Massimo Sanchez, Giovanni Migliaccio, Dorothy Tuan

Journal:

Year:

2000

Language:

english

File:

PDF, 716 KB

english, 2000

31

In vitro maturation and fertilization of Toggenburg goat oocytes

A.I. Younis, L. Keskintepe, K. Mackie, B.G. Brackett

Journal:

Year:

1992

Language:

english

File:

PDF, 71 KB

english, 1992

32

Term development of caprine embryos derived from immature oocytes in vitro

L. Keskintepe, G.M. Darwish, A.T. Kenimer, B.G. Brackett

Journal:

Year:

1994

Language:

english

File:

PDF, 618 KB

english, 1994

33

Defined sperm treatments and insemination conditions enable improved bovine embryo production in vitro

B.G. Brackett, L. Keskintepe

Journal:

Year:

1996

Language:

english

File:

PDF, 89 KB

english, 1996

34

Enhanced production of bovine blastocysts in defined media with appropriate polyvinyl alcohol (PVA) and HEPES concentrations

L. Keskintepe, B.G. Brackett

Journal:

Year:

1996

Language:

english

File:

PDF, 76 KB

english, 1996

35

The graduated embryo score predicts the outcome of assisted reproductive technologies better than a single day 3 evaluation and achieves results associated with blastocyst transfer from day 3 embryo transfer

Jeffrey D Fisch, Geoffrey Sher, Mark Adamowicz, Levent Keskintepe

Journal:

Fertility and Sterility

Year:

2003

Language:

english

File:

PDF, 89 KB

english, 2003

36

A rational basis for measuring sHLA-G expression in culture media as a method for selecting embryos for transfer: A randomized, prospective study

G. Sher, L. Keskintepe, J. Batzofin

Journal:

Fertility and Sterility

Year:

2004

Language:

english

File:

PDF, 85 KB

english, 2004

37

Soluble HLA-G measurement in the medium surrounding individual day 2 embryos in culture: A strong predictor of embryo implantation and viable pregnancy potential

G. Sher, L. Keskintepe, J. Batzofin

Journal:

Fertility and Sterility

Year:

2004

Language:

english

File:

PDF, 93 KB

english, 2004

38

Role of inhibins as markers of follicular maturity in women undergoing controlled ovarian hyperstimulation with GnRH antagonist for in vitro fertilization

C.B. Coulam, M. Adamowicz, L. Keskintepe, R. Roussev

Journal:

Fertility and Sterility

Year:

2004

Language:

english

File:

PDF, 112 KB

english, 2004

39

Soluble human leukocyte antigen G expression in phase I culture media at 46 hours after fertilization predicts pregnancy and implantation from day 3 embryo transfer

Geoffrey Sher, Levent Keskintepe, Jeffery D. Fisch, Brian A. Acacio, Peter Ahlering, Joel Batzofin, Mike Ginsburg

Journal:

Fertility and Sterility

Year:

2005

Language:

english

File:

PDF, 78 KB

english, 2005

40

Graduated embryo score (GES) is superior to day-3 morphologic criteria alone for predicting ART outcome

Jeffrey David Fisch, Geoffrey Sher, Herman Rodriguez, Gail Overby, Mark Adamowicz, Levent Keskintepe

Journal:

Fertility and Sterility

Year:

2002

Language:

english

File:

PDF, 20 KB

english, 2002

41

Timing of blastocyst transfer relative to the thaw: a critical factor in outcome following FET

Mark Adamowicz, Levent Keskintepe, Rifa Zody, Linda Danner, Jeffrey D. Fisch, Geoffrey Sher

Journal:

Fertility and Sterility

Year:

2003

Language:

english

File:

PDF, 39 KB

english, 2003

42

The Graduated Embryo Score (GES) on day 3 of culture predicts outcome from blastocyst transfer

Jeffrey D. Fisch, Geoffrey Sher, Mark Adamowicz, Raifa Zody, Levent Keskintepe

Journal:

Fertility and Sterility

Year:

2003

Language:

english

File:

PDF, 95 KB

english, 2003

43

Pregnany outcome after IVF/ET among couples who have elevated DNA fragmentation determined by the sperm DNA integrity assay (SDIa™)

Carolyn B. Coulam, Peter Alhering, Herman Rodriguez, Levent Keskintepe, Geoffrey Sher, Roumen Roussev

Journal:

Fertility and Sterility

Year:

2003

Language:

english

File:

PDF, 37 KB

english, 2003

44

High incidence of tetraploid male bovine blastocyst development from oocytes injected with sexed freeze-dried spermatozoa

Levent Keskintepe, Anna Machnicka, Gabriella Pacholczyk, Karen Norris, Benjamin G. Brackett, Geoffrey Sher

Journal:

Fertility and Sterility

Year:

2003

Language:

english

File:

PDF, 21 KB

english, 2003

45

Transfering embryos to blastocyst medium 36 hrs post ICSI in preparation for day 3 embryo transfer, improves implantation, and pregnancy potential

Levent Keskintepe, Jeffery D. Fisch, Mark Adamowicz, Raifa Zody, Geoffery Sher

Journal:

Fertility and Sterility

Year:

2003

Language:

english

File:

PDF, 37 KB

english, 2003

46

A randomized, controlled trial of low dose GnRH antagonist started on day 2 in “poor responders” undergoing stimulation with luteal phase GNRH agonist, estrogen priming and high-dose FSH

Jeffrey D. Fisch, Geoffrey Sher, Levent Keskintepe

Journal:

Fertility and Sterility

Year:

2003

Language:

english

File:

PDF, 20 KB

english, 2003

47

The sperm DNA integrity assay (SDI™) a valuable method for assessing sperm vitality in preparation for in vitro fertilization (IVF)

Peter Ahlering, Levent Keskintepe, Geoffrey Sher, Jeffrey D. Fisch, Linda Danner, Ghanima Maasarani

Journal:

Fertility and Sterility

Year:

2003

Language:

english

File:

PDF, 19 KB

english, 2003

48

Caprine blastocyst development after intracytoplasmic sperm injection (ICSI)

L. Keskintepe, P.C. Morton, S.E. Smith, M.J. Tucker, A.A. Simplicio, B.G. Brackett

Journal:

Year:

1997

Language:

english

File:

PDF, 72 KB

english, 1997

49

Influences of culture components on the development of bovine blastocysts in defined conditions

B.G. Brackett, L. Keskintepe, A.A. Simplicio, G.C. Luvoni

Journal:

Year:

1997

Language:

english

File:

PDF, 87 KB

english, 1997

50

Use of cryopreserved spermatozoa for caprine in vitro fertilization (IVF)

A.A. Simplicio, B.G. Brackett, L. Keskintepe

Journal:

Year:

1997

Language:

english

File:

PDF, 72 KB

english, 1997

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