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Article ; Online: Oviduct and endometrial epithelium improve in vitro produced bovine embryo developmental kinetics.

Senn, L Kirsten / Peterson, Katheryn D / Edwards, J Lannett / Payton, Rebecca R / Mathew, Daniel J

2024 Volume 167, Issue 5

Abstract: In brief: Standard in vitro produced (IVP) bovine embryo culture media limit embryonic development. Culturing IVP bovine embryos in standard IVP bovine embryo culture media conditioned with oviduct and/or endometrial cells improves blastocyst formation ... ...

Abstract	In brief: Standard in vitro produced (IVP) bovine embryo culture media limit embryonic development. Culturing IVP bovine embryos in standard IVP bovine embryo culture media conditioned with oviduct and/or endometrial cells improves blastocyst formation and reduces the time to formation. Abstract: In vitro embryo production in cattle greatly impacts blastomere biochemistry, embryo rate of development and pre- and post-transfer survival. In vivo, the bovine embryo migrates through the oviduct isthmus before entering the uterus on approximately day 4 of development where it remains unattached within the uterine lumen until day 20 of gestation. During this time, the embryo is sequentially exposed to oviduct followed by endometrial secretions that support embryonic development. Considering this, we tested the effect of culturing in vitro produced (IVP) bovine embryos sequentially in oviduct epithelial- (OEp; days 1-3) followed by endometrial epithelial- (EEp) or EEp and fibroblast cell (EEp/F; days 4-8)-conditioned media on embryonic development using a time-lapse monitoring system. Compared to control, culturing IVP embryos in EEp- or EEp/F-conditioned media without prior culture in OEp-conditioned media increased blastocyst formation (P < 0.05) and reduced the time to blastocyst formation (P < 0.05). Culturing IVP bovine embryos in OEp-conditioned media followed by EEp- or EEp/F-conditioned media, however, had the greatest impact on embryo developmental kinetics and increased morula and blastocyst formation (P < 0.05) and reduced time to formation (P < 0.05). Day 8 blastocyst cell numbers, diameter and quality were not significantly different, although, blastocyst quality scores were less (indicative of better quality) for all cell-conditioned media compared to control. In conclusion, IVP bovine embryo development may be improved using a sequential embryo culture system involving bovine oviduct followed by endometrial cell-conditioned media.
MeSH term(s)	Pregnancy ; Female ; Humans ; Cattle ; Animals ; Culture Media, Conditioned/pharmacology ; Embryo, Mammalian ; Fallopian Tubes ; Oviducts ; Blastocyst ; Epithelium ; Embryonic Development ; Fertilization in Vitro/veterinary
Chemical Substances	Culture Media, Conditioned
Language	English
Publishing date	2024-04-17
Publishing country	England
Document type	Journal Article
ZDB-ID	2034501-X
ISSN	1741-7899 ; 1470-1626 ; 1476-3990
ISSN (online)	1741-7899
ISSN	1470-1626 ; 1476-3990
DOI	10.1530/REP-24-0008
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Article ; Online: Progesterone-stimulated endometrial cell conditioned media increases in vitro produced bovine embryo blastocyst formation.

Oliver, Mary A / Peterson, Katie D / Bhandari, Sadikshya / Payton, Rebecca R / Edwards, J Lannett / Mathew, Daniel J

Animal reproduction science

2023 Volume 254, Page(s) 107264

Abstract: The early bovine embryo is supported by histotroph molecules secreted by endometrial epithelial (EPI) and stroma fibroblast (SF) cells in response to luteal progesterone (P4). We hypothesized that specific histotroph molecule transcript abundance depends ...

Abstract	The early bovine embryo is supported by histotroph molecules secreted by endometrial epithelial (EPI) and stroma fibroblast (SF) cells in response to luteal progesterone (P4). We hypothesized that specific histotroph molecule transcript abundance depends on cell type and P4 concentration and that endometrial cell conditioned media (CM) could improve in vitro produced (IVP) embryo development in culture. Primary bovine EPI and SF cells from seven uteri were incubated for 12 h with RPMI medium containing 0 (Control), 1, 15, or 50 ng of P4. RPMI was also incubated without cells (N-CM) and CM from EPI or SF cultures (EPI- or SF-CM) or a combination of the two (1:1; EPI/SF-CM) was used to culture IVP embryos from days 4-8 of development (n = 117). There was an effect of cell type (SLC1A1, SLC5A6, SLC7A1, FGF-2, FGF-7, CTGF, PRSS23 and NID2) and/or P4 concentration (FGF-7 and NID2) on endometrial cell histotroph molecule mRNA (P < 0.05). Compared to N-CM, blastocyst development on day 7 was greater in the EPI or SF-CM (P ≤ 0.05) and tended to be greater in the EPI/SF-CM (P = 0.07). On day 8, blastocyst development was greater only in the EPI-CM (P < 0.05). Further, culturing embryos with endometrial cell CM reduced day 8 blastocyst transcript abundance of cell adhesion molecule LGALS1 (P < 0.01). In conclusion, endometrial cell CM or histotroph molecules may be used to improve IVP embryo development in cattle.
MeSH term(s)	Female ; Cattle ; Animals ; Progesterone/pharmacology ; Progesterone/metabolism ; Culture Media, Conditioned/pharmacology ; Culture Media, Conditioned/metabolism ; Embryo, Mammalian ; Embryonic Development/physiology ; Blastocyst
Chemical Substances	Progesterone (4G7DS2Q64Y) ; Culture Media, Conditioned
Language	English
Publishing date	2023-05-22
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	429674-6
ISSN	1873-2232 ; 0378-4320
ISSN (online)	1873-2232
ISSN	0378-4320
DOI	10.1016/j.anireprosci.2023.107264
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Article ; Online: The Impacts of Supplemental Protein during Development on Amino Acid Concentrations in the Uterus and Pregnancy Outcomes of Angus Heifers

Brandt, Kiernan J. / Ault-Seay, Taylor B. / Payton, Rebecca R. / Schneider, Liesel G. / Edwards, J. Lannett / Myer, Phillip R. / Rhinehart, Justin D. / McLean, Kyle J.

Animals. 2023 June 15, v. 13, no. 12

2023

Abstract: Replacement heifer development is one of the most critical components in beef production. The composition of the ideal uterine environment could maximize fertility and reproductive efficiency. Our hypothesis was that protein supplementation would affect ... ...

Abstract	Replacement heifer development is one of the most critical components in beef production. The composition of the ideal uterine environment could maximize fertility and reproductive efficiency. Our hypothesis was that protein supplementation would affect the uterine environment of beef heifers without inhibiting development or reproduction. To test the effects of dietary supplementation on these outcomes, a randomized complete block design with repeated measures was implemented. Angus heifers (n = 60) were blocked by body weight (BW) and randomly assigned to one of three supplemental protein treatment groups (10% (CON), 20% (P20), and 40% (P40)). Mixed model ANOVAs were used to determine whether protein supplementation treatments, time, and the interaction or protein supplementation, semen exposure, and the interaction influenced uterine luminal fluid (ULF) and pregnancy outcomes. Amino acids (AAs) were impacted (p < 0.001), specifically, the essential AAs: Arg, Iso, Leu, Val, His, Lys, Met, Phe, Trp. Protein supplementation influenced multiple AAs post-insemination: Arg (p = 0.03), CC (p = 0.05), 1-MH (p = 0.001), and Orn (p = 0.03). In conclusion, protein supplementation did not affect the reproductive development via puberty attainment or the timing of conception even with alterations in growth. However, uterine AA concentrations did change throughout development and protein supplementation influenced ULF d 14 post-insemination, which may affect the conception rates.
Keywords	Angus ; amino acids ; beef ; beef production ; body weight ; conception ; heifers ; pregnancy ; protein supplements ; puberty ; reproductive efficiency ; semen ; statistical models ; uterus
Language	English
Dates of publication	2023-0615
Publishing place	Multidisciplinary Digital Publishing Institute
Document type	Article ; Online
ZDB-ID	2606558-7
ISSN	2076-2615
ISSN	2076-2615
DOI	10.3390/ani13121995
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Magnitude and persistence of higher estrus-associated temperatures in beef heifers and suckled cows.

Mills, Megan D / Pollock, Abigayle B / Batey, Ian E / O'Neil, Michael A / Schrick, F Neal / Payton, Rebecca R / Moorey, Sarah E / Fioravanti, Pablo / Hipsher, Will / Zoca, Saulo M / Edwards, J Lannett

Journal of animal science

2024 Volume 102

Abstract: Higher estrus-associated temperatures (HEAT) are a hallmark feature in sexually active females. The overarching aim of this study was to characterize the variability, magnitude, and persistence of HEAT in heifers and suckled beef cows as well as identify ...

Abstract	Higher estrus-associated temperatures (HEAT) are a hallmark feature in sexually active females. The overarching aim of this study was to characterize the variability, magnitude, and persistence of HEAT in heifers and suckled beef cows as well as identify associated factors when occurring during thermoneutral conditions at the onset of the spring breeding season. In both heifers and cows, estrus was induced using a 7-d controlled internal drug release (CIDR)-PGF2α protocol. Vaginal temperature after prostaglandin F2α administration was recorded every 5 min using a Thermochron iButton affixed to a blank CIDR (containing no progesterone). Estrus was defined as when a heifer first stood to be mounted or when a cow had an Estrotect patch score of 3 or 4. Level of HEAT varied among individual animals. When comparing common HEAT variables using a mixed model with date nested within a year, maximum HEAT (39.9 ± 0.1 and 40.0 ± 0.1 °C) and duration (15.5 ± 0.8 and 15.4 ± 0.7) were similar in heifers and cows, respectively. However, the magnitude and persistence of HEAT differed. Total area under the HEAT curve was 117.1 ± 13.5 and 158.7 ± 12.3 for heifers vs cows, respectively (P = 0.0571). Further, 42.9% of heifers and 49% of cows had maximum HEAT ≥ 40 °C which persisted up to 6.5 and 10 h, respectively. When ambient conditions were predominantly thermoneutral, temperature humidity index had minimal impact on HEAT (mixed model, repeated measures over time). Toward identifying associated factors with different aspects of HEAT using best fit hierarchical linear regression models, baseline vaginal temperature and baseline duration were the most highly associated independent variables. Follicle size, estradiol and progesterone levels, and other available animal-related variables (e.g., age, weight, hair coat score) explained only a small amount of variation in HEAT. In summary, level of HEAT varies in estrus females even under thermoneutral conditions. Because HEAT can persist for an extended time, direct effects on fertility important components are unavoidable. Whether HEAT is a good or bad component of the periovulatory microenvironment is the basis of ongoing and future studies.
MeSH term(s)	Cattle ; Female ; Animals ; Temperature ; Estrus Synchronization ; Hot Temperature ; Progesterone/pharmacology ; Estrus ; Dinoprost/pharmacology ; Insemination, Artificial/veterinary ; Gonadotropin-Releasing Hormone/pharmacology
Chemical Substances	Progesterone (4G7DS2Q64Y) ; Dinoprost (B7IN85G1HY) ; Gonadotropin-Releasing Hormone (33515-09-2)
Language	English
Publishing date	2024-03-19
Publishing country	United States
Document type	Journal Article
ZDB-ID	390959-1
ISSN	1525-3163 ; 0021-8812
ISSN (online)	1525-3163
ISSN	0021-8812
DOI	10.1093/jas/skae079
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Article ; Online: Impact of preovulatory follicle maturity on oocyte metabolism and embryo development.

Clark, Hannah M / Stokes, Allyson E / Edwards, J Lannett / Payton, Rebecca R / Schrick, F Neal / Campagna, Shawn R / Sarumi, Qudus / Hessock, Emma A / Roberts, Samantha R / Azaridolatabad, Nima / Moorey, Sarah E

PNAS nexus

2024 Volume 3, Issue 5, Page(s) pgae181

Abstract: Improved oocyte competence for embryo development and pregnancy was observed following ovulation of preovulatory follicles with greater physiological maturity, as indicated by estradiol production, prior to the gonadotropin-releasing hormone (GnRH)- ... ...

Abstract	Improved oocyte competence for embryo development and pregnancy was observed following ovulation of preovulatory follicles with greater physiological maturity, as indicated by estradiol production, prior to the gonadotropin-releasing hormone (GnRH)-induced luteinizing hormone (LH) surge. It was hypothesized that follicular fluid from preovulatory follicles of greater maturity better supports the maturing oocyte's metabolic requirements and improves embryo development. The objective was to determine if differences in preovulatory follicular fluid due to follicle maturity influence oocyte metabolism during in vitro maturation (IVM) and affect embryo development. Bovine preovulatory follicular fluid was collected 18 h after a GnRH-induced LH surge. Serum estradiol concentration at GnRH administration categorized follicles as greater or lesser maturity. Immature bovine oocytes were submitted to 24 h IVM in medium supplemented with 20% follicular fluid from preovulatory follicles of greater or lesser maturity. Embryo development was recorded. Oocyte maturation media and media conditioned by developing embryos were submitted for metabolomics. A randomized block design was utilized to determine differences in embryo development and media metabolites (
Language	English
Publishing date	2024-04-30
Publishing country	England
Document type	Journal Article
ISSN	2752-6542
ISSN (online)	2752-6542
DOI	10.1093/pnasnexus/pgae181
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Article: The Impacts of Supplemental Protein during Development on Amino Acid Concentrations in the Uterus and Pregnancy Outcomes of Angus Heifers.

Brandt, Kiernan J / Ault-Seay, Taylor B / Payton, Rebecca R / Schneider, Liesel G / Edwards, J Lannett / Myer, Phillip R / Rhinehart, Justin D / McLean, Kyle J

Animals : an open access journal from MDPI

2023 Volume 13, Issue 12

Abstract	Replacement heifer development is one of the most critical components in beef production. The composition of the ideal uterine environment could maximize fertility and reproductive efficiency. Our hypothesis was that protein supplementation would affect the uterine environment of beef heifers without inhibiting development or reproduction. To test the effects of dietary supplementation on these outcomes, a randomized complete block design with repeated measures was implemented. Angus heifers (
Language	English
Publishing date	2023-06-15
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2606558-7
ISSN	2076-2615
ISSN	2076-2615
DOI	10.3390/ani13121995
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Article ; Online: Impact of an acute heat shock during

Rowinski, Julia R / Rispoli, Louisa A / Payton, Rebecca R / Schneider, Liesel G / Schrick, F Neal / McLean, Kyle J / Edwards, J Lannett

Animal reproduction

2021 Volume 17, Issue 4, Page(s) e20200221

Abstract: An acute heat stress event after the LH surge increased interleukin 6 (IL6) levels in the follicular fluid of the ovulatory follicle in hyperthermic cows. To examine direct consequences of a physiologically-relevant elevated temperature (41.0°C) on the ... ...

Abstract	An acute heat stress event after the LH surge increased interleukin 6 (IL6) levels in the follicular fluid of the ovulatory follicle in hyperthermic cows. To examine direct consequences of a physiologically-relevant elevated temperature (41.0°C) on the cumulus-oocyte complex (COC), IL6 transcript abundance and related receptor components were evaluated throughout
Language	English
Publishing date	2021-02-16
Publishing country	Brazil
Document type	Journal Article
ZDB-ID	2227229-X
ISSN	1984-3143 ; 1984-3143
ISSN (online)	1984-3143
ISSN	1984-3143
DOI	10.1590/1984-3143-ar2020-0221
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Article: Metabolite abundance in bovine preovulatory follicular fluid is influenced by follicle developmental progression post estrous onset in cattle.

Hessock, Emma A / Edwards, J Lannett / Schrick, F Neal / Payton, Rebecca R / Campagna, Shawn R / Pollock, Abigayle B / Clark, Hannah M / Stokes, Allyson E / Klabnik, Jessica L / Hill, Kennedy S / Roberts, Samantha R / Hinson, Meredith G / Moorey, Sarah E

Frontiers in cell and developmental biology

2023 Volume 11, Page(s) 1156060

Abstract: Introduction: ...

Abstract	Introduction:
Language	English
Publishing date	2023-05-05
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2737824-X
ISSN	2296-634X
ISSN	2296-634X
DOI	10.3389/fcell.2023.1156060
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Article ; Online: Preovulatory serum estradiol concentration is positively associated with oocyte ATP and follicular fluid metabolite abundance in lactating beef cattle.

Read, Casey C / Edwards, J Lannett / Schrick, F Neal / Rhinehart, Justin D / Payton, Rebecca R / Campagna, Shawn R / Castro, Hector F / Klabnik, Jessica L / Moorey, Sarah E

Journal of animal science

2022 Volume 100, Issue 7

Abstract: Cattle induced to ovulate a small, physiologically immature preovulatory follicle had reduced oocyte developmental competence that resulted in decreased embryo cleavage and day 7 embryo quality compared with animals induced to ovulate a more advanced ... ...

Abstract	Cattle induced to ovulate a small, physiologically immature preovulatory follicle had reduced oocyte developmental competence that resulted in decreased embryo cleavage and day 7 embryo quality compared with animals induced to ovulate a more advanced follicle. RNA-sequencing was performed on oocytes and their corresponding cumulus cells approximately 23 h after gonadotropin-releasing hormone (GnRH) administration to induce the preovulatory gonadotropin surge suggested reduced capacity for glucose metabolism and oxidative phosphorylation in the cumulus cells and oocytes from follicles ≤11.7 mm, respectively. We hypothesized that induced ovulation of a small, physiologically immature preovulatory follicle results in a suboptimal follicular microenvironment and reduced oocyte metabolic capacity. We performed a study with the objective to determine the impact of preovulatory follicle diameter and serum estradiol concentration at GnRH administration on oocyte metabolic competence and follicular fluid metabolome profiles. We synchronized the development of a preovulatory follicle and collected the follicle contents via transvaginal aspiration approximately 19 h after GnRH administration in lactating beef cows (n = 319). We determined ATP levels and mitochondrial DNA (mtDNA) copy number in 110 oocytes and performed ultra-high-performance liquid chromatography-high resolution mass spectrometry metabolomic studies on 45 follicular fluid samples. Intraoocyte ATP and the amount of ATP produced per mtDNA copy number were associated with serum estradiol concentration at GnRH and time from GnRH administration to follicle aspiration (P < 0.05). mtDNA copy number was not related to follicle diameter at GnRH, serum estradiol concentration at GnRH, or any potential covariates (P > 0.10). We detected 90 metabolites in the aspirated follicular fluid. We identified 22 metabolites associated with serum estradiol concentration at GnRH and 63 metabolites associated with follicular fluid progesterone concentration at the time of follicle aspiration (FDR < 0.10). Pathway enrichment analysis of significant metabolites suggested altered proteinogenesis, citric acid cycle, and pyrimidine metabolism in follicles of reduced estrogenic capacity pre-gonadotropin surge or reduced progesterone production by the time of follicle aspiration.
MeSH term(s)	Adenosine Triphosphate/analysis ; Animals ; Cattle ; DNA, Mitochondrial ; Estradiol ; Female ; Follicular Fluid/metabolism ; Gonadotropin-Releasing Hormone/pharmacology ; Lactation ; Oocytes ; Progesterone
Chemical Substances	DNA, Mitochondrial ; Gonadotropin-Releasing Hormone (33515-09-2) ; Progesterone (4G7DS2Q64Y) ; Estradiol (4TI98Z838E) ; Adenosine Triphosphate (8L70Q75FXE)
Language	English
Publishing date	2022-06-30
Publishing country	United States
Document type	Journal Article
ZDB-ID	390959-1
ISSN	1525-3163 ; 0021-8812
ISSN (online)	1525-3163
ISSN	0021-8812
DOI	10.1093/jas/skac136
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Article ; Online: Preovulatory follicular fluid and serum metabolome profiles in lactating beef cows with thin, moderate, and obese body condition.

Horn, Emma J / Read, Casey C / Edwards, J Lannett / Schrick, F Neal / Rhinehart, Justin D / Payton, Rebecca R / Campagna, Shawn R / Klabnik, Jessica L / Clark, Hannah M / Myer, Phillip R / McLean, Kyle J / Moorey, Sarah E

Journal of animal science

2022 Volume 100, Issue 7

Abstract: Extremes in body condition reduce fertility and overall productivity in beef cattle herds, due in part to altered systemic metabolic conditions that influence the intrafollicular and uterine environment. Follicular fluid and serum metabolome profiles are ...

Abstract	Extremes in body condition reduce fertility and overall productivity in beef cattle herds, due in part to altered systemic metabolic conditions that influence the intrafollicular and uterine environment. Follicular fluid and serum metabolome profiles are influenced by body composition in women and dairy cattle; however, such information is lacking in beef cattle. We hypothesized that body condition score (BCS)-related alterations in the metabolome of preovulatory follicular fluid and serum may influence oocyte maturation while impacting the oviductal or uterine environment. Therefore, we performed a study with the objective to determine the relationship between BCS and the metabolome of follicular fluid and serum in lactating beef cattle. We synchronized the development of a preovulatory follicle in 130 cows of varying BCS. We collected blood and performed transvaginal follicle aspirations to collect follicular fluid from the preovulatory follicle ~18 h after gonadotropin-releasing hormone administration to stimulate the preovulatory gonadotropin surge. We then selected follicular fluid and serum samples from cows with BCS 4 (Thin; n = 14), BCS 6 (Moderate; n = 18), or BCS >8 (Obese; n = 14) for ultra-high performance liquid chromatography-high resolution mass spectrometry. We identified differences in the follicular fluid or serum of thin, moderate, and obese animals based on multiple linear regression. MetaboAnalyst 5.0 was used for enrichment analysis of significant metabolites. We identified 38 metabolites in follicular fluid and 49 metabolites in serum. There were no significant differences in follicular fluid metabolite content among BCS classifications. There were 5, 22, and 1 serum metabolites differentially abundant between thin-obese, moderate-thin, and moderate-obese classifications, respectively (false discovery rate [FDR] < 0.10). These metabolites were enriched in multiple processes including "arginine biosynthesis," "arginine/proline metabolism," and "D-glutamine/D-glutamate metabolism" (FDR < 0.04). Pathways enriched with serum metabolites associated with BCS indicate potentially increased reactive oxygen species (ROS) in serum of thin cows. ROS crossing the blood follicular barrier may negatively impact the oocyte during oocyte maturation and contribute to the reduced pregnancy rates observed in thin beef cows.
MeSH term(s)	Animals ; Arginine/metabolism ; Cattle ; Cattle Diseases/metabolism ; Female ; Follicular Fluid/metabolism ; Humans ; Lactation ; Metabolome ; Obesity/metabolism ; Obesity/veterinary ; Pregnancy ; Reactive Oxygen Species/metabolism
Chemical Substances	Reactive Oxygen Species ; Arginine (94ZLA3W45F)
Language	English
Publishing date	2022-06-28
Publishing country	United States
Document type	Journal Article
ZDB-ID	390959-1
ISSN	1525-3163 ; 0021-8812
ISSN (online)	1525-3163
ISSN	0021-8812
DOI	10.1093/jas/skac152
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