List of works - Katarina Jewgenow

A non-surgical uterine lavage technique in large cats intended for treatment of uterine infection-induced infertility.

scientific article published on 13 March 2006

Analysis of Sertoli cell efficiency allows the differentiation between two fundamentally different forms of feline teratospermia.

scientific article

Analysis of gene expression in granulosa cells post-maturation to evaluate oocyte culture systems in the domestic cat.

scientific article published on 24 January 2017

Animal housing and welfare: effects of housing conditions on body weight and cortisol in a medium-sized rodent (Cavia aperea).

scientific article published in January 2014

Apoptosis within bovine follicular cells and its effect on oocyte development during in vitro maturation.

scientific article published in March 2003

Apoptosis-Related Factors in the Luteal Phase of the Domestic Cat and Their Involvement in the Persistence of Corpora Lutea in Lynx

scientific article published on 24 November 2015

Blastocyst recovery and multifactorial gene expression analysis in the wild guinea pig (Cavia aperea).

scientific article

Capabilities and challenges of examination of gene expression for quality assessment of domestic cat embryos

scientific article published in December 2012

Cat preantral follicle survival after prolonged cooled storage followed by vitrification

scientific article published on 19 February 2018

Characterization of fetal growth by repeated ultrasound measurements in the wild guinea pig (Cavia aperea).

scientific article published on 20 May 2014

Characterization of reproductive activity in captive male Eurasian lynx (Lynx lynx)

scientific article published on 10 November 2005

Comparative analysis of intraluteal steroidogenic enzymes emphasises the functionality of fresh and persistent corpora lutea during pro--and metoestrus in the lynx

scientific article

Comparative binding affinity study of progestins to the cytosol progestin receptor of endometrium in different mammals.

scientific article

Comparative metabolism of PGFM (13,14-dihydro-15-keto-PGF2α) in feces of felids.

scientific article

Comparative metabolism of gestagens and estrogens in the four lynx species, the Eurasian (Lynx lynx), the Iberian (L. pardinus), the Canada lynx (L. canadensis) and the bobcat (L. rufus).

scientific article published on 25 March 2010

Comparison of Different Materials for Self-Pressurized Vitrification of Feline Oocytes-First Results

scientific article published on 3 May 2021

Contraception for population control in exotic carnivores.

scientific article

Corpora lutea of pregnant and pseudopregnant domestic cats reveal similar steroidogenic capacities during the luteal life span

scientific article published on 17 August 2014

Cryobanking of viable biomaterials: implementation of new strategies for conservation purposes

scientific article

Cryopreservation of canine ovarian cortex using DMSO or 1,3-propanediol.

scientific article published on 13 April 2016

Cryopreservation of feline oocytes by vitrification using commercial kits and slush nitrogen technique

scientific article published on 24 November 2016

Current State of In Vitro Embryo Production in African Lion (<i>Panthera leo</i>)

scientific article published on 31 May 2022

Current achievements and future research directions in ovarian tissue culture, in vitro follicle development and transplantation: implications for fertility preservation

scientific article

DNA degradation in mural granulosa cells of non- and slightly atretic follicles of fresh and cold-stored domestic cat ovaries ⬇️

scientific article published on November 1, 1997

Die Isolierung von Präantralfollikeln aus Eierstöcken des Rindes

scientific article published in December 1991

Dynamic changes in ovarian follicles measured by ultrasonography during gonadotropin stimulation in rhesus monkeys.

scientific article

Effects of rhFSH regimen and time interval on ovarian responses to repeated stimulation cycles in rhesus monkeys during a physiologic breeding season.

scientific article published on 5 May 2008

Effects of thyroxin (T4) and activin A on in vitro growth of preantral follicles in domestic cats.

scientific article published on 31 January 2013

Embryo retrieval after hormonal treatment to control ovarian function and non-surgical artificial insemination in African lions (Panthera leo).

scientific article published in December 2012

Embryonic gene activation in in vitro produced embryos of the domestic cat (Felis catus).

scientific article published on 26 July 2010

Epidermal growth factor and epidermal growth factor receptor in the ovary of the domestic cat (Felis catus).

scientific article

Expression of steroidogenic enzymes and steroid receptors in foetal gonads of domestic cat-Sex similarities and differences.

scientific article published on 15 November 2016

Expression profiles of relaxin family peptides and their receptors indicate their influence on spermatogenesis in the domestic cat (Felis catus).

scientific article published on 28 January 2015

Feline gonads exhibit tissue specific alternative splicing of oestrogen receptor alpha (ESR1).

scientific article published in December 2012

Fluorescence body of bovine spermatozoa represents Y-chromosome

scientific article published on 24 April 2009

Follicle-stimulating hormone receptor in felids: intra- and interspecies variation

scientific article published on 10 February 2006

Follicular Growth is Characterized by Biochemical Interplay of Proliferation and Apoptotic Death in Bovine Follicular Cells

scientific article published in December 1999

Functional role of feline zona pellucida protein 4 trefoil domain: a sperm receptor or structural component of the domestic cat zona pellucida?

scientific article

High-resolution ultrasonography of xenografted domestic cat ovarian cortex.

scientific article

Histological and endocrine characterisation of the annual luteal activity in Eurasian lynx (Lynx lynx).

scientific article published on 24 July 2012

Hormone-induced luteolysis on physiologically persisting corpora lutea in Eurasian and Iberian lynx (Lynx lynx and Lynx pardinus).

scientific article published on 20 May 2014

IGF-I Medium Supplementation Improves Singly Cultured Cat Oocyte Maturation and Embryo Development In Vitro

scientific article published on 28 June 2021

Immune Contraception in Wildlife Animals

scientific article published on 3 November 2016

Immunocontraception in Wildlife Animals

scientific article published in 2009

In vitro development of individually matured bovine oocytes in relation to follicular wall atresia.

scientific article published in March 1999

Influence of cooling rate on the ability of frozen-thawed sperm to bind to heterologous zona pellucida, as assessed by competitive in vitro binding assays in the ocelot (Leopardus pardalis) and tigrina (Leopardus tigrinus).

scientific article published on 30 October 2007

Influence of culture medium composition on relative mRNA abundances in domestic cat embryos

scientific article published on 27 June 2012

Investigations on reproductive physiology in the male Eurasian lynx (Lynx lynx).

scientific article published on 17 April 2006

Isolation of preantral follicles from nondomestic cats—viability and ultrastructural investigations

scientific article published in October 1996

Life cycle of feline Corpora lutea: histological and intraluteal hormone analysis.

scientific article published on December 2012

Localization of oestrogen receptors in the epididymis during sexual maturation of the domestic cat.

scientific article published in July 2009

Lynx reproduction--long-lasting life cycle of corpora lutea in a feline species

scientific article published on 21 March 2014

Measurement of plasma corticosterone and fecal glucocorticoid metabolites in the chicken (Gallus domesticus), the great cormorant (Phalacrocorax carbo), and the goshawk (Accipiter gentilis).

scientific article published in May 2003

Metabolism of prostaglandin F2alpha in Eurasian lynx (Lynx lynx) and Asian leopard cat (Prionailurus bengalensis euptilura).

scientific article published on 22 January 2017

Mitochondrial characteristics in oocytes of the domestic cat (Felis catus) after in vitro maturation and vitrification.

scientific article published on 2 May 2017

Moderate seasonality in testis function of domestic cat.

scientific article published in October 2007

Monitoring testicular activity of male Eurasian (Lynx lynx) and Iberian (Lynx pardinus) lynx by fecal testosterone metabolite measurement

scientific article published on 14 July 2006

Non cat-like ovarian cycle in the Eurasian and the Iberian lynx - ultrasonographical and endocrinological analysis

scientific article published in July 2009

Non-Invasive Pregnancy Diagnosis in Big Cats using the PGFM (13,14-dihydro-15-keto-PGF2α) Assay

scientific article

Non-invasive monitoring of hormones: a tool to improve reproduction in captive breeding of the Eurasian lynx

scientific article

Ovarian response to gonadotropin stimulation in juvenile rhesus monkeys

scientific article

PGFM (13,14-dihydro-15-keto-PGF(2alpha)) in pregnant and pseudo-pregnant Iberian lynx: a new noninvasive pregnancy marker for felid species

scientific article published on 21 December 2009

Paternal heat exposure causes DNA methylation and gene expression changes of Stat3 in Wild guinea pig sons

scientific article

Paternal intergenerational epigenetic response to heat exposure in male Wild guinea pigs.

scientific article published on 19 December 2015

Physiologically persistent Corpora lutea in Eurasian lynx (Lynx lynx) - longitudinal ultrasound and endocrine examinations intra-vitam

scientific article

Polysialylation of NCAM correlates with onset and termination of seasonal spermatogenesis in roe deer.

scientific article published on 24 March 2014

Polysialylation takes place in granulosa cells during apoptotic processes of atretic tertiary follicles.

scientific article published on 14 October 2015

Pregnancy diagnosis in urine of Iberian lynx (Lynx pardinus).

scientific article published on 17 November 2008

Preservation of female germ cells from ovaries of cat species.

scientific article

Preservation of primordial follicles from lions by slow freezing and xenotransplantation of ovarian cortex into an immunodeficient mouse.

scientific article published in December 2012

Production of lion (Panthera leo) blastocysts after in vitro maturation of oocytes and intracytoplasmic sperm injection.

scientific article published on 5 December 2014

Progesterone and estradiol in cat placenta--biosynthesis and tissue concentration

scientific article published on 31 July 2012

Progesterone, estrogen, and androgen receptors in the corpus luteum of the domestic cat, Iberian lynx (Lynx pardinus) and Eurasian lynx (Lynx lynx).

scientific article published on 5 July 2016

Prolonged storage of epididymal spermatozoa does not affect their capacity to fertilise in vitro-matured domestic cat (Felis catus) oocytes when using ICSI.

scientific article published in January 2011

Quantity rather than quality in teratospermic males: a histomorphometric and flow cytometric evaluation of spermatogenesis in the domestic cat (Felis catus).

scientific article

Recombinant feline oviductin--a powerful tool for functional IVF studies in the domestic cat.

scientific article published in December 2012

Reduced germ cell apoptosis during spermatogenesis in the teratospermic domestic cat.

scientific article published on 5 February 2009

Reproduction and advances in reproductive studies in carnivores.

scientific article published on January 2014

Research on reproduction is essential for captive breeding of endangered carnivore species.

scientific article published on 15 November 2016

Role of media, protein and energy supplements on maintenance of morphology and DNA-synthesis of small preantral domestic cat follicles during short-term culture.

scientific article published in June 1998

Role of sex steroids and prostaglandins during the luteal life cycle in domestic cats and lynxes

scientific article published in 2022

Seasonal profiles of ovarian activity in Iberian lynx (Lynx pardinus) based on urinary hormone metabolite analyses.

scientific article published in July 2009

Seasonally activated spermatogenesis is correlated with increased testicular production of testosterone and epidermal growth factor in mink (Mustela vison).

scientific article published on 14 February 2006

Seasonally different reproductive investment in a medium-sized rodent (Cavia aperea).

scientific article published on May 2015

Sequence analysis of feline oviductin and its expression during the estrous cycle in the domestic cat (Felis catus).

scientific article published on 19 October 2011

Sequential expression of zona pellucida protein genes during the oogenesis of domestic cats

scientific article published in February 1999

Serum chemistry and haematology for female Eurasian lynx (Lynx lynx)

scientific article published on 6 February 2016

Short-term culture of ovarian cortex pieces to assess the cryopreservation outcome in wild felids for genome conservation

scientific article

Short-term preservation of canine preantral follicles: Effects of temperature, medium and time.

scientific article

Steroidogenic enzymes, their products and sex steroid receptors during testis development and spermatogenesis in the domestic cat (Felis catus).

scientific article published on 28 November 2017

Structure of an otter (Lutra lutra) population in Germany – results of DNA and hormone analyses from faecal samples

scientific article published in 2006

Synthesis and reception of prostaglandins in corpora lutea of domestic cat and lynx.

scientific article published on 24 May 2016

Testosterone production and spermatogenesis in free-ranging Eurasian lynx (Lynx lynx) throughout the year

scientific article published on 7 May 2014

The application of in vitro sperm competition test to evaluate the impact of ZP-derived peptides on fertilization capacity of cat sperm.

scientific article published on 18 April 2006

The characterisation of an antiserum against zona pellucida of domestic cats

scientific article published in September 1994

The corpus luteum of the domestic cat: histologic classification and intraluteal hormone profile

scientific article published on 10 November 2014

The impact and potential etiology of teratospermia in the domestic cat and its wild relatives.

scientific article

The influence of recombinant feline oviductin on different aspects of domestic cat (Felis catus) IVF and embryo quality

scientific article published on 16 June 2014

The molecular detection of relaxin and its receptor RXFP1 in reproductive tissue of Felis catus and Lynx pardinus during pregnancy

scientific article

The recovery of preantral follicles from ovaries of domestic cats and their characterisation before and after culture

scientific article published in September 1995

Using PGFM (13,14-dihydro-15-keto-prostaglandin F2α) as a non-invasive pregnancy marker for felids

scientific article

Validation of a minimally invasive blood-sampling technique for the analysis of hormones in domestic rabbits, Oryctolagus cuniculus (Lagomorpha).

scientific article

Validation of an enzyme immunoassay for the measurement of faecal glucocorticoid metabolites in Eurasian (Lynx lynx) and Iberian lynx (Lynx pardinus).

scientific article published on 24 July 2014

Viability of small preantral ovarian follicles from domestic cats after cryoprotectant exposure and cryopreservation ⬇️

scientific article published on January 1, 1998

Vitrification of domestic cat oocytes--effect on viability and integrity of subcellular structures

scientific article published on December 2012

List of works by Katarina Jewgenow

A non-surgical uterine lavage technique in large cats intended for treatment of uterine infection-induced infertility.

Analysis of Sertoli cell efficiency allows the differentiation between two fundamentally different forms of feline teratospermia.

Analysis of gene expression in granulosa cells post-maturation to evaluate oocyte culture systems in the domestic cat.

Animal housing and welfare: effects of housing conditions on body weight and cortisol in a medium-sized rodent (Cavia aperea).

Apoptosis within bovine follicular cells and its effect on oocyte development during in vitro maturation.

Apoptosis-Related Factors in the Luteal Phase of the Domestic Cat and Their Involvement in the Persistence of Corpora Lutea in Lynx

Blastocyst recovery and multifactorial gene expression analysis in the wild guinea pig (Cavia aperea).

Capabilities and challenges of examination of gene expression for quality assessment of domestic cat embryos

Cat preantral follicle survival after prolonged cooled storage followed by vitrification

Characterization of fetal growth by repeated ultrasound measurements in the wild guinea pig (Cavia aperea).

Characterization of reproductive activity in captive male Eurasian lynx (Lynx lynx)

Comparative analysis of intraluteal steroidogenic enzymes emphasises the functionality of fresh and persistent corpora lutea during pro--and metoestrus in the lynx

Comparative binding affinity study of progestins to the cytosol progestin receptor of endometrium in different mammals.

Comparative metabolism of PGFM (13,14-dihydro-15-keto-PGF2α) in feces of felids.

Comparative metabolism of gestagens and estrogens in the four lynx species, the Eurasian (Lynx lynx), the Iberian (L. pardinus), the Canada lynx (L. canadensis) and the bobcat (L. rufus).

Comparison of Different Materials for Self-Pressurized Vitrification of Feline Oocytes-First Results

Contraception for population control in exotic carnivores.

Corpora lutea of pregnant and pseudopregnant domestic cats reveal similar steroidogenic capacities during the luteal life span

Cryobanking of viable biomaterials: implementation of new strategies for conservation purposes

Cryopreservation of canine ovarian cortex using DMSO or 1,3-propanediol.

Cryopreservation of feline oocytes by vitrification using commercial kits and slush nitrogen technique

Current State of In Vitro Embryo Production in African Lion (<i>Panthera leo</i>)

Current achievements and future research directions in ovarian tissue culture, in vitro follicle development and transplantation: implications for fertility preservation

DNA degradation in mural granulosa cells of non- and slightly atretic follicles of fresh and cold-stored domestic cat ovaries ⬇️

Die Isolierung von Präantralfollikeln aus Eierstöcken des Rindes

Dynamic changes in ovarian follicles measured by ultrasonography during gonadotropin stimulation in rhesus monkeys.

Effects of rhFSH regimen and time interval on ovarian responses to repeated stimulation cycles in rhesus monkeys during a physiologic breeding season.

Effects of thyroxin (T4) and activin A on in vitro growth of preantral follicles in domestic cats.

Embryo retrieval after hormonal treatment to control ovarian function and non-surgical artificial insemination in African lions (Panthera leo).

Embryonic gene activation in in vitro produced embryos of the domestic cat (Felis catus).

Epidermal growth factor and epidermal growth factor receptor in the ovary of the domestic cat (Felis catus).

Expression of steroidogenic enzymes and steroid receptors in foetal gonads of domestic cat-Sex similarities and differences.

Expression profiles of relaxin family peptides and their receptors indicate their influence on spermatogenesis in the domestic cat (Felis catus).

Feline gonads exhibit tissue specific alternative splicing of oestrogen receptor alpha (ESR1).

Fluorescence body of bovine spermatozoa represents Y-chromosome

Follicle-stimulating hormone receptor in felids: intra- and interspecies variation

Follicular Growth is Characterized by Biochemical Interplay of Proliferation and Apoptotic Death in Bovine Follicular Cells

Functional role of feline zona pellucida protein 4 trefoil domain: a sperm receptor or structural component of the domestic cat zona pellucida?

High-resolution ultrasonography of xenografted domestic cat ovarian cortex.

Histological and endocrine characterisation of the annual luteal activity in Eurasian lynx (Lynx lynx).

Hormone-induced luteolysis on physiologically persisting corpora lutea in Eurasian and Iberian lynx (Lynx lynx and Lynx pardinus).

IGF-I Medium Supplementation Improves Singly Cultured Cat Oocyte Maturation and Embryo Development In Vitro

Immune Contraception in Wildlife Animals

Immunocontraception in Wildlife Animals

In vitro development of individually matured bovine oocytes in relation to follicular wall atresia.

Influence of cooling rate on the ability of frozen-thawed sperm to bind to heterologous zona pellucida, as assessed by competitive in vitro binding assays in the ocelot (Leopardus pardalis) and tigrina (Leopardus tigrinus).

Influence of culture medium composition on relative mRNA abundances in domestic cat embryos

Investigations on reproductive physiology in the male Eurasian lynx (Lynx lynx).

Isolation of preantral follicles from nondomestic cats—viability and ultrastructural investigations

Life cycle of feline Corpora lutea: histological and intraluteal hormone analysis.

Localization of oestrogen receptors in the epididymis during sexual maturation of the domestic cat.

Lynx reproduction--long-lasting life cycle of corpora lutea in a feline species

Measurement of plasma corticosterone and fecal glucocorticoid metabolites in the chicken (Gallus domesticus), the great cormorant (Phalacrocorax carbo), and the goshawk (Accipiter gentilis).

Metabolism of prostaglandin F2alpha in Eurasian lynx (Lynx lynx) and Asian leopard cat (Prionailurus bengalensis euptilura).

Mitochondrial characteristics in oocytes of the domestic cat (Felis catus) after in vitro maturation and vitrification.

Moderate seasonality in testis function of domestic cat.

Monitoring testicular activity of male Eurasian (Lynx lynx) and Iberian (Lynx pardinus) lynx by fecal testosterone metabolite measurement

Non cat-like ovarian cycle in the Eurasian and the Iberian lynx - ultrasonographical and endocrinological analysis

Non-Invasive Pregnancy Diagnosis in Big Cats using the PGFM (13,14-dihydro-15-keto-PGF2α) Assay

Non-invasive monitoring of hormones: a tool to improve reproduction in captive breeding of the Eurasian lynx

Ovarian response to gonadotropin stimulation in juvenile rhesus monkeys

PGFM (13,14-dihydro-15-keto-PGF(2alpha)) in pregnant and pseudo-pregnant Iberian lynx: a new noninvasive pregnancy marker for felid species

Paternal heat exposure causes DNA methylation and gene expression changes of Stat3 in Wild guinea pig sons

Paternal intergenerational epigenetic response to heat exposure in male Wild guinea pigs.

Physiologically persistent Corpora lutea in Eurasian lynx (Lynx lynx) - longitudinal ultrasound and endocrine examinations intra-vitam

Polysialylation of NCAM correlates with onset and termination of seasonal spermatogenesis in roe deer.

Polysialylation takes place in granulosa cells during apoptotic processes of atretic tertiary follicles.

Pregnancy diagnosis in urine of Iberian lynx (Lynx pardinus).

Preservation of female germ cells from ovaries of cat species.

Preservation of primordial follicles from lions by slow freezing and xenotransplantation of ovarian cortex into an immunodeficient mouse.

Production of lion (Panthera leo) blastocysts after in vitro maturation of oocytes and intracytoplasmic sperm injection.

Progesterone and estradiol in cat placenta--biosynthesis and tissue concentration

Progesterone, estrogen, and androgen receptors in the corpus luteum of the domestic cat, Iberian lynx (Lynx pardinus) and Eurasian lynx (Lynx lynx).

Prolonged storage of epididymal spermatozoa does not affect their capacity to fertilise in vitro-matured domestic cat (Felis catus) oocytes when using ICSI.

Quantity rather than quality in teratospermic males: a histomorphometric and flow cytometric evaluation of spermatogenesis in the domestic cat (Felis catus).

Recombinant feline oviductin--a powerful tool for functional IVF studies in the domestic cat.

Reduced germ cell apoptosis during spermatogenesis in the teratospermic domestic cat.

Reproduction and advances in reproductive studies in carnivores.

Research on reproduction is essential for captive breeding of endangered carnivore species.