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Outputs (48)

In preprints: opportunities to unravel the earliest stages of human development using stem cell-based embryo models (2023)
Journal Article
Moris, N., & Sturmey, R. (2023). In preprints: opportunities to unravel the earliest stages of human development using stem cell-based embryo models. Development, 150(17), Article dev202295. https://doi.org/10.1242/dev.202295

Several exciting advances have enabled the derivation of stem cell-based embryo-like models (SCBEMs). Such models allow us to interrogate previously intractable questions in developmental biology and ask hypothesis-driven fundamental questions such a... Read More about In preprints: opportunities to unravel the earliest stages of human development using stem cell-based embryo models.

The effect of platelet releasate on oocytes has a detrimental impact on early mammalian embryos (2023)
Thesis
Martin, F. (2023). The effect of platelet releasate on oocytes has a detrimental impact on early mammalian embryos. (Thesis). Hull York Medical School. Retrieved from https://hull-repository.worktribe.com/output/4430667

Background: Blood-derived products are a growing area of therapeutic treatments for a diverse range of conditions, including hair loss, scarring, muscle injury, wounds, arthritis, and symptoms related to the menopause. Platelet-rich plasma (PRP) is o... Read More about The effect of platelet releasate on oocytes has a detrimental impact on early mammalian embryos.

Practical considerations of dissolved oxygen levels for platelet function under hypoxia (2021)
Journal Article
Kusanto, B., Gordon, A., Naylor-Adamson, L., Atkinson, L., Coupland, C., Booth, Z., …Arman, M. (2021). Practical considerations of dissolved oxygen levels for platelet function under hypoxia. International Journal of Molecular Sciences, 22(24), Article 13223. https://doi.org/10.3390/ijms222413223

Investigating human platelet function in low-oxygen environments is important in multiple settings, including hypobaric hypoxia (e.g., high altitude), sea level hypoxia-related disease, and thrombus stability. These studies often involve drawing bloo... Read More about Practical considerations of dissolved oxygen levels for platelet function under hypoxia.

Amino acids and the early mammalian embryo: Origin, fate, function and life‐long legacy (2021)
Journal Article
Leese, H. J., McKeegan, P., & Sturmey, R. G. (2021). Amino acids and the early mammalian embryo: Origin, fate, function and life‐long legacy. International Journal of Environmental Research and Public Health, 18(18), Article 9874. https://doi.org/10.3390/ijerph18189874

Amino acids are now recognised as having multiple cellular functions in addition to their traditional role as constituents of proteins. This is well-illustrated in the early mammalian embryo where amino acids are now known to be involved in intermedi... Read More about Amino acids and the early mammalian embryo: Origin, fate, function and life‐long legacy.

Intraovarian injection of platelet-rich plasma in assisted reproduction: too much too soon? (2021)
Journal Article
Atkinson, L., Martin, F., & Sturmey, R. G. (2021). Intraovarian injection of platelet-rich plasma in assisted reproduction: too much too soon?. Human Reproduction, 36(7), 1737-1750. https://doi.org/10.1093/humrep/deab106

The prospect of ovarian rejuvenation offers the tantalising prospect of treating age-related declines in fertility or in pathological conditions such as premature ovarian failure. The concept of ovarian rejuvenation was invigorated by the indication... Read More about Intraovarian injection of platelet-rich plasma in assisted reproduction: too much too soon?.

Measurement of Glutathione as a Tool for Oxidative Stress Studies by High Performance Liquid Chromatography (2020)
Journal Article
Nuhu, F., Gordon, A., Sturmey, R., Seymour, A. M., & Bhandari, S. (2020). Measurement of Glutathione as a Tool for Oxidative Stress Studies by High Performance Liquid Chromatography. Molecules, 25(18), Article 4196. https://doi.org/10.3390/molecules25184196

Background: Maintenance of the ratio of glutathione in the reduced (GSH) and oxidised (GSSG) state in cells is important in redox control, signal transduction and gene regulation, factors that are altered in many diseases. The accurate and reliable d... Read More about Measurement of Glutathione as a Tool for Oxidative Stress Studies by High Performance Liquid Chromatography.

Glucose concentration during equine in vitro maturation alters mitochondrial function (2020)
Journal Article
Lewis, N., Hinrichs, K., Leese, H. J., McGregor Argo, C., Brison, D. R., & Sturmey, R. G. (2020). Glucose concentration during equine in vitro maturation alters mitochondrial function. Reproduction, 160(2), 227-237. https://doi.org/10.1530/REP-20-0032

The use of in vitro embryo production in the horse is increasing in clinical and research settings, however, protocols are yet to be optimised. Notably, the two most commonly used base media for in vitro maturation (IVM) supply glucose at markedly di... Read More about Glucose concentration during equine in vitro maturation alters mitochondrial function.

Metabolic profile of in vitro derived human embryos is not affected by the mode of fertilization (2020)
Journal Article
Sturmey, R. G., & Leary, C. (2020). Metabolic profile of in vitro derived human embryos is not affected by the mode of fertilization. Molecular Human Reproduction, 26(4), 277-287. https://doi.org/10.1093/molehr/gaaa015

The pattern of metabolism by early embryos in vitro has been linked to a range of phenotypes, including viability. However, the extent to which metabolic function of embryos is modified by specific methods used during ART has yet to be fully describ... Read More about Metabolic profile of in vitro derived human embryos is not affected by the mode of fertilization.

Spatial and pregnancy-related changes in the protein, amino acid, and carbohydrate composition of bovine oviduct fluid (2020)
Journal Article
Rodríguez-Alonso, B., Maillo, V., Acuña, O. S., López-Úbeda, R., Torrecillas, A., Simintiras, C. A., …Rizos, D. (2020). Spatial and pregnancy-related changes in the protein, amino acid, and carbohydrate composition of bovine oviduct fluid. International Journal of Molecular Sciences, 21(5), Article 1681. https://doi.org/10.3390/ijms21051681

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. Knowledge of how the biochemical composition of the bovine oviduct is altered due to the oviduct anatomy or the presence of an embryo is lacking. Thus, the aim of this study was to assess the... Read More about Spatial and pregnancy-related changes in the protein, amino acid, and carbohydrate composition of bovine oviduct fluid.

Good practice recommendations for the use of time-lapse technology† (2020)
Journal Article
Apter, S., Ebner, T., Freour, T., Guns, Y., Kovacic, B., Le Clef, N., …ESHRE Working group on Time-lapse technology. (2020). Good practice recommendations for the use of time-lapse technology†. Human Reproduction Open, 2020(2), Article hoaa008. https://doi.org/10.1093/hropen/hoaa008

STUDY QUESTION: What recommendations can be provided on the approach to and use of time-lapse technology (TLT) in an IVF laboratory? SUMMARY ANSWER: The present ESHRE document provides 11 recommendations on how to introduce TLT in the IVF laboratory... Read More about Good practice recommendations for the use of time-lapse technology†.

Application of extracellular flux analysis for determining mitochondrial function in mammalian oocytes and early embryos (2019)
Journal Article
Muller, B., Lewis, N., Adeniyi, T., Leese, H. J., Brison, D. R., & Sturmey, R. G. (2019). Application of extracellular flux analysis for determining mitochondrial function in mammalian oocytes and early embryos. Scientific reports, 9(1), Article 16778. https://doi.org/10.1038/s41598-019-53066-9

Mitochondria provide the major source of ATP for mammalian oocyte maturation and early embryo development. Oxygen Consumption Rate (OCR) is an established measure of mitochondrial function. OCR by mammalian oocytes and embryos has generally been rest... Read More about Application of extracellular flux analysis for determining mitochondrial function in mammalian oocytes and early embryos.

Investigating the impact of hyperglycaemia on early embryo environment and development (2019)
Thesis
Roussi, K. (2019). Investigating the impact of hyperglycaemia on early embryo environment and development. (Thesis). Hull York Medical School, the University of Hull and the University of York. Retrieved from https://hull-repository.worktribe.com/output/4222139

The development of metabolic conditions has been associated with suboptimal nutrient provision to the embryo during pregnancy. Metabolic disorders have also been linked to subfertility; obese women produce fewer and smaller oocytes that are metabolic... Read More about Investigating the impact of hyperglycaemia on early embryo environment and development.

Application of extracellular flux analysis for determining mitochondrial function in mammalian oocytes and early embryos (2019)
Working Paper
Muller, B., Lewis, N., Adeniyi, T., Leese, H. J., Brison, D., & Sturmey, R. G. Application of extracellular flux analysis for determining mitochondrial function in mammalian oocytes and early embryos

Background Mitochondria provide the major source of ATP for mammalian oocyte maturation and early embryo development. Oxygen Consumption Rate (OCR) is an established measure of mitochondrial function. OCR by mammalian oocytes and embryos has generall... Read More about Application of extracellular flux analysis for determining mitochondrial function in mammalian oocytes and early embryos.

Novel aspects of mitochondrial biology in early embryos (2019)
Thesis
Muller, B. (2019). Novel aspects of mitochondrial biology in early embryos. (Thesis). Hull York Medical School, the University of Hull and the University of York. Retrieved from https://hull-repository.worktribe.com/output/4221758

Mitochondria play an essential role in early development through facilitating the production of energy required to undergo key physiological processes. Mitochondrial function in oocytes and embryos has been associated with viability and reproductive... Read More about Novel aspects of mitochondrial biology in early embryos.

Gene expression and metabolic response of bovine oviduct epithelial cells to the early embryo (2019)
Journal Article
Hamdi, M., Sánchez-Calabuig, M. J., Rodríguez-Alonso, B., Bagés-Arnal, S., Roussi, K., Sturmey, R., …Rizos, D. (2019). Gene expression and metabolic response of bovine oviduct epithelial cells to the early embryo. Reproduction, 158(1), 85-94. https://doi.org/10.1530/REP-18-0561

© 2019 Society for Reproduction and Fertility During its journey through the oviduct, the bovine embryo may induce transcriptomic and metabolic responses, via direct or indirect contact, from bovine oviduct epithelial cells (BOECs). An in vitro model... Read More about Gene expression and metabolic response of bovine oviduct epithelial cells to the early embryo.

The enigmatic morula: mechanisms of development, cell fate determination, self-correction and implications for ART (2019)
Journal Article
Lagalla, C., Coticchio, G., Lagalla, C., Sturmey, R., Pennetta, F., & Borini, A. (2019). The enigmatic morula: mechanisms of development, cell fate determination, self-correction and implications for ART. Human Reproduction Update, 25(4), 422-438. https://doi.org/10.1093/humupd/dmz008

Background: Assisted reproduction technology offers the opportunity to observe the very early stages of human development. However, due to practical constraints, for decades morphological examination of embryo development has been undertaken at a few... Read More about The enigmatic morula: mechanisms of development, cell fate determination, self-correction and implications for ART.

Metabolomic Screening of Embryos to Enhance Successful Selection and Transfer (2019)
Book Chapter
McKeegan, P. J., & Sturmey, R. G. (2019). Metabolomic Screening of Embryos to Enhance Successful Selection and Transfer. In G. Kovacs, A. Rutherford, & D. K. Gardner (Eds.), How to prepare the egg and embryo to maximize IVF success (295-304). Cambridge, UK: Cambridge University Press. https://doi.org/10.1017/9781316756744.025

A key role of cellular metabolism is the provision of energy, in the form of adenosine triphosphate (ATP). In the case of the embryo, energy demand is dynamic and highly regulated to facilitate developmental milestones such as fertilization, cleavage... Read More about Metabolomic Screening of Embryos to Enhance Successful Selection and Transfer.

Glucose metabolism and metabolic flexibility in blood platelets (2018)
Journal Article
Aibibula, M., Naseem, K. M., & Sturmey, R. (2018). Glucose metabolism and metabolic flexibility in blood platelets. Journal of thrombosis and haemostasis : JTH, 16(11), 2300-2314. https://doi.org/10.1111/jth.14274

The metabolic integration processes required for platelet activation are unclear. The metabolic plasticity of human platelets were investigated. Activated platelets exhibit a glycolytic phenotype while preserving mitochondrial function. Platelets can... Read More about Glucose metabolism and metabolic flexibility in blood platelets.

The effect of Glucose Concentration (5.6 mM vs. 17 mM) During IVM on Developmental and Metabolic Markers of Equine Cumulus-oocyte Complex Function (2018)
Journal Article
Lewis, N., Hinrichs, K., Brison, D., Sturmey, R., & McG. Argo, C. (2018). The effect of Glucose Concentration (5.6 mM vs. 17 mM) During IVM on Developmental and Metabolic Markers of Equine Cumulus-oocyte Complex Function. Journal of Equine Veterinary Science, 66, 181. https://doi.org/10.1016/j.jevs.2018.05.073

Both M199 and DMEM/F-12 support in vitro maturation (IVM) of equine oocytes and production of viable embryos after ICSI. However, these media differ markedly in glucose concentration: 5.6 mM (M199) vs. 17 mM (DMEM/F-12). Given the known impact of emb... Read More about The effect of Glucose Concentration (5.6 mM vs. 17 mM) During IVM on Developmental and Metabolic Markers of Equine Cumulus-oocyte Complex Function.

Effect of metabolic status on conceptus–maternal interactions on day 19 in dairy cattle: II. Effects on the endometrial transcriptome (2017)
Journal Article
Bauersachs, S., Simintiras, C. A., Sturmey, R. G., Krebs, S., Bick, J., Blum, H., …Forde, N. (2017). Effect of metabolic status on conceptus–maternal interactions on day 19 in dairy cattle: II. Effects on the endometrial transcriptome. Biology of Reproduction, 97(3), 413-425. https://doi.org/10.1093/biolre/iox095

The aim of this study was to test the hypothesis that the metabolic stresses associated with lactation alter the ability of the endometrium to respond appropriately to the conceptus by examining endometrial gene expression on Day 19 of pregnancy. Imm... Read More about Effect of metabolic status on conceptus–maternal interactions on day 19 in dairy cattle: II. Effects on the endometrial transcriptome.

Genistein crosses the bioartificial oviduct and alters secretion composition (2017)
Journal Article
Simintiras, C. A., & Sturmey, R. G. (2017). Genistein crosses the bioartificial oviduct and alters secretion composition. Reproductive Toxicology, 71, 63-70. https://doi.org/10.1016/j.reprotox.2017.04.010

The dietary derived isoflavone and oestrogen analogue, genistein, is known to perturb fundamental reproductive events such as implantation and embryo cleavage. However the question of whether genistein is able to traverse the oviduct epithelial monol... Read More about Genistein crosses the bioartificial oviduct and alters secretion composition.

Maternal metabolic stress may affect oviduct gatekeeper function (2017)
Journal Article
Jordaens, L., van Hoeck, V., Maillo, V., Gutiérrez-Adán, A., Marei, W., Vlaeminck, B., …Leroy, J. L. M. R. (2017). Maternal metabolic stress may affect oviduct gatekeeper function. Reproduction, 153(6), 759-773. https://doi.org/10.1530/rep-16-0569

We hypothesized that elevated non-esterified fatty acids (NEFA) modify in vitro bovine oviduct epithelial cell (BOEC) metabolism and barrier function. Hereto, BOECs were studied in a polarized system with 24h-treatments at day 9: 1) CONTROL (0µM NEFA... Read More about Maternal metabolic stress may affect oviduct gatekeeper function.

Energy metabolism of platelets (2017)
Thesis
Aibibula, M. (2017). Energy metabolism of platelets. (Thesis). Hull York Medical School, the University of Hull and the University of York. Retrieved from https://hull-repository.worktribe.com/output/4221806

Undesired platelet activation is associated with a number of diseases characterised by metabolic imbalance, such as hyperlipidaemia. Changes in platelet energy metabolism associated with disease states are unclear. This thesis presents a detailed inv... Read More about Energy metabolism of platelets.

Modelling aspects of oviduct fluid formation in vitro (2016)
Journal Article
Simintiras, C. A., Arnold, G. J., Ulbrich, S. E., Leese, H. J., Sturmey, R. G., Froehlich, T., …Ulbrich, S. (2017). Modelling aspects of oviduct fluid formation in vitro. Reproduction, 153(1), 23-33. https://doi.org/10.1530/REP-15-0508

© 2017 Society for Reproduction and Fertility. Oviduct fluid is the microenvironment that supports early reproductive processes including fertilisation, embryo cleavage and genome activation. However, the composition and regulation of this critical e... Read More about Modelling aspects of oviduct fluid formation in vitro.

Sexually dimorphic gene expression in bovine conceptuses at the initiation of implantation (2016)
Journal Article
Forde, N., Maillo, V., O'Gaora, P., Simintiras, C. A., Sturmey, R. G., Ealy, A. D., …Lonergan, P. (2016). Sexually dimorphic gene expression in bovine conceptuses at the initiation of implantation. Biology of Reproduction, 95(4), Article ARTN 92. https://doi.org/10.1095/biolreprod.116.139857

In cattle, maternal recognition of pregnancy occurs on Day 16 via secretion of interferon tau (IFNT) by the conceptus. The endometrium can distinguish between embryos with different developmental competencies. In eutherian mammals, X-chromosome inact... Read More about Sexually dimorphic gene expression in bovine conceptuses at the initiation of implantation.

Biological optimisation, the Goldilocks principle, and how much is lagom in the preimplantation embryo (2016)
Journal Article
Leese, H. J., Guérif, F., Allgar, V., Brison, D. R., Lundin, K., & Sturmey, R. G. (2016). Biological optimisation, the Goldilocks principle, and how much is lagom in the preimplantation embryo. Molecular Reproduction and Development, 83(9), 748-754. https://doi.org/10.1002/mrd.22684

The quiet embryo hypothesis postulates that early embryo viability is associated with a relatively low metabolism (Leese. 2002. BioEssays 24: 845-849). This proposal is re-visited here using retrospective and prospective data on the metabolic activit... Read More about Biological optimisation, the Goldilocks principle, and how much is lagom in the preimplantation embryo.

Expression and function of transient receptor potential channels in the female bovine reproductive tract (2016)
Journal Article
Ghavideldarestani, M., Atkin, S. L., Leese, H. J., & Sturmey, R. G. (2016). Expression and function of transient receptor potential channels in the female bovine reproductive tract. Theriogenology, 86(2), 551-561. https://doi.org/10.1016/j.theriogenology.2016.02.005

© 2016 Elsevier Inc. The epithelium lining the oviduct is critical for early reproductive events, many of which are mediated via intracellular calcium ions. Despite this, little is known about the regulation of calcium homeostasis in the oviductal ep... Read More about Expression and function of transient receptor potential channels in the female bovine reproductive tract.

Human cell dedifferentiation in mesenchymal condensates through controlled autophagy (2015)
Journal Article
Pennock, R., Bray, E., Pryor, P., James, S., McKeegan, P., Sturmey, R., & Genever, P. (2015). Human cell dedifferentiation in mesenchymal condensates through controlled autophagy. Scientific reports, 5(1), Article ARTN 13113. https://doi.org/10.1038/srep13113

Tissue and whole organ regeneration is a dramatic biological response to injury that occurs across different plant and animal phyla. It frequently requires the dedifferentiation of mature cells to a condensed mesenchymal blastema, from which replacem... Read More about Human cell dedifferentiation in mesenchymal condensates through controlled autophagy.

The effect of maternal overweight and obesity on the viability and metabolism of human oocytes and early embryos (2015)
Thesis
Leary, C. (2015). The effect of maternal overweight and obesity on the viability and metabolism of human oocytes and early embryos. (Thesis). Hull York Medical School, the University of Hull and the University of York. Retrieved from https://hull-repository.worktribe.com/output/4217662

Overweight and obese (OWOB) women are reported to have a lower chance of becoming pregnant. The nutritional enrichment of the periconceptional environment apparent in obese women may be detrimental for embryo viability. This is the first study to exa... Read More about The effect of maternal overweight and obesity on the viability and metabolism of human oocytes and early embryos.

Embryo metabolism : what does it really mean? (2015)
Journal Article
Sturmey, R., & Lewis, N. (2015). Embryo metabolism : what does it really mean?. Animal reproduction / Colegio Brasileiro de Reproducao Animal, 12(3), 521-528

The study of early embryo metabolism has fascinated researchers in the field for nearly a century. Herein, we give a brief account of the general features of embryo metabolism and some consideration of the research performed to reach such conclusions... Read More about Embryo metabolism : what does it really mean?.

Metabolic regulation during early embryo development (2015)
Thesis
McKeegan, P. (2015). Metabolic regulation during early embryo development. (Thesis). Hull York Medical School, the University of Hull and the University of York. Retrieved from https://hull-repository.worktribe.com/output/4216544

The preimplantation embryo must satisfy dynamic changes in energy demand during development to the blastocyst stage. Energy is provided through regulated metabolic pathways including glycolysis, β-oxidation and oxidative phosphorylation. Oxygen consu... Read More about Metabolic regulation during early embryo development.

Human embryos from overweight and obese women display phenotypic and metabolic abnormalities (2014)
Journal Article
Leary, C., Leese, H. J., & Sturmey, R. G. (2015). Human embryos from overweight and obese women display phenotypic and metabolic abnormalities. Human Reproduction, 30(1), 122-132. https://doi.org/10.1093/humrep/deu276

STUDY QUESTION Is the developmental timing and metabolic regulation disrupted in embryos from overweight or obese women? SUMMARY ANSWER Oocytes from overweight or obese women are smaller than those from women of healthy weight, yet post-fertilization... Read More about Human embryos from overweight and obese women display phenotypic and metabolic abnormalities.

Amino acids in the uterine luminal fluid reflects the temporal changes in transporter expression in the endometrium and conceptus during early pregnancy in cattle (2014)
Journal Article
Forde, N., Simintiras, C. A., Sturmey, R., Mamo, S., Kelly, A. K., Spencer, T. E., …Lonergan, P. (2014). Amino acids in the uterine luminal fluid reflects the temporal changes in transporter expression in the endometrium and conceptus during early pregnancy in cattle. PLoS ONE, 9(6), e100010. https://doi.org/10.1371/journal.pone.0100010

In cattle, conceptus-maternal interactions are critical for the establishment and maintenance of pregnancy. A major component of this early interaction involves the transport of nutrients and secretion of key molecules by uterine epithelial cells to... Read More about Amino acids in the uterine luminal fluid reflects the temporal changes in transporter expression in the endometrium and conceptus during early pregnancy in cattle.

Metabolic heterogeneity during preimplantation development: The missing link? (2014)
Journal Article
Brison, D. R., Sturmey, R. G., & Leese, H. J. (2014). Metabolic heterogeneity during preimplantation development: The missing link?. Human Reproduction Update, 20(5), 632-640. https://doi.org/10.1093/humupd/dmu018

BACKGROUND Most tissues in the body rely on the presence of gap junctions in order to couple their component cells electrically and metabolically via intercellular transport of ions, metabolites and signalling agents. As a result, cells within tissue... Read More about Metabolic heterogeneity during preimplantation development: The missing link?.

Parallels between embryo and cancer cell metabolism (2013)
Journal Article
Smith, D., & Sturmey, R. (2013). Parallels between embryo and cancer cell metabolism. Biochemical Society Transactions, 41(2), 664 - 669. https://doi.org/10.1042/BST20120352

A key characteristic of cancer cells is the ability to switch from a predominantly oxidative metabolism to glycolysis and the production of lactate even when oxygen is plentiful. This metabolic switch, known as the Warburg effect, was first described... Read More about Parallels between embryo and cancer cell metabolism.

Expression and localization of creatine kinase in the preimplantation embryo (2012)
Journal Article
Forsey, K. E., Ellis, P. J., Sargent, C. A., Sturmey, R. G., & Leese, H. J. (2013). Expression and localization of creatine kinase in the preimplantation embryo. Molecular Reproduction and Development, 80(3), 185-192. https://doi.org/10.1002/mrd.22146

Creatine Kinase (CK) catalyses the “creatine shuttle,” the reversible conversion of creatine phosphate to creatine with the liberation of ATP. This article examines the potential role of the creatine shuttle in the provision of ATP during mouse preim... Read More about Expression and localization of creatine kinase in the preimplantation embryo.

Oocyte developmental failure in response to elevated nonesterified fatty acid concentrations: mechanistic insights (2012)
Journal Article
Van Hoeck, V., Leroy, J. L. M. R., Arias Alvarez, M., Rizos, D., Gutierrez-Adan, A., Schnorbusch, K., …Sturmey, R. G. (2013). Oocyte developmental failure in response to elevated nonesterified fatty acid concentrations: mechanistic insights. Reproduction, 145(1), 33-44. https://doi.org/10.1530/REP-12-0174

Elevated plasma nonesterified fatty acid (NEFA) concentrations are associated with negative energy balance and metabolic disorders such as obesity and type II diabetes. Such increased plasma NEFA concentrations induce changes in the microenvironment... Read More about Oocyte developmental failure in response to elevated nonesterified fatty acid concentrations: mechanistic insights.

Variable imprinting of the MEST gene in human preimplantation embryos (2012)
Journal Article
Huntriss, J. D., Hemmings, K. E., Hinkins, M., Rutherford, A. J., Sturmey, R. G., Elder, K., & Picton, H. M. (2013). Variable imprinting of the MEST gene in human preimplantation embryos. European Journal of Human Genetics, 21(1), 40-47. https://doi.org/10.1038/ejhg.2012.102

There is evidence that expression and methylation of the imprinted paternally expressed gene 1/mesoderm-specific transcript homologue (PEG1/MEST) gene may be affected by assisted reproductive technologies (ARTs) and infertility. In this study, we sou... Read More about Variable imprinting of the MEST gene in human preimplantation embryos.

Role of transient receptor potential channels in mammalian oviduct and uterine epithelia (2011)
Thesis
Ghavideldarestani, M. (2011). Role of transient receptor potential channels in mammalian oviduct and uterine epithelia. (Thesis). Hull York Medical School, the University of Hull and the University of York. Retrieved from https://hull-repository.worktribe.com/output/4213385

Calcium is an important secondary messenger and plays a major role in cell function, including proliferation, cell growth, secretion and death .It also plays a critical role in uterine smooth muscle contraction and embryo implantation. This thesis is... Read More about Role of transient receptor potential channels in mammalian oviduct and uterine epithelia.

Elevated non-esterified fatty acid concentrations during bovine oocyte maturation compromise early embryo physiology (2011)
Journal Article
Van Hoeck, V., Sturmey, R. G., Bermejo-Alvarez, P., Rizos, D., Gutierrez-Adan, A., Leese, H. J., …Leroy, J. L. M. R. (2011). Elevated non-esterified fatty acid concentrations during bovine oocyte maturation compromise early embryo physiology. PLoS ONE, 6(8), e23183. https://doi.org/10.1371/journal.pone.0023183

Elevated concentrations of serum non-esterified fatty acids (NEFA), associated with maternal disorders such as obesity and type II diabetes, alter the ovarian follicular micro-environment and have been associated with subfertility arising from reduc... Read More about Elevated non-esterified fatty acid concentrations during bovine oocyte maturation compromise early embryo physiology.

Amino acid metabolism of bovine blastocysts: A biomarker of sex and viability (2010)
Journal Article
Sturmey, R. G., Bermejo-Alvarez, P., Gutierrez-Adan, A., Rizos, D., Leese, H. J., & Lonergan, P. (2010). Amino acid metabolism of bovine blastocysts: A biomarker of sex and viability. Molecular Reproduction and Development, 77(3), 285-296. https://doi.org/10.1002/mrd.21145

The ratio of male/female embryos may be modified by environmental factors such as maternal diet in vivo and the composition of embryo culture media in vitro. We have used amino acid profiling, a noninvasive marker of developmental potential to compar... Read More about Amino acid metabolism of bovine blastocysts: A biomarker of sex and viability.

Removal of red light minimizes methylene blue-stimulated DNA damage in oesophageal cells: implications for chromoendoscopy (2009)
Journal Article
Sturmey, R. G., Wild, C. P., & Hardie, L. J. (2009). Removal of red light minimizes methylene blue-stimulated DNA damage in oesophageal cells: implications for chromoendoscopy. Mutagenesis, 24(3), 253-258. https://doi.org/10.1093/mutage/gep004

Barrett's oesophagus (BO) carries an increased risk of progression to oesophageal adenocarcinoma. Chromoendoscopy with methylene blue (MB) can be used to facilitate identification of BO and target areas for biopsy. If photoexcited, MB can generate re... Read More about Removal of red light minimizes methylene blue-stimulated DNA damage in oesophageal cells: implications for chromoendoscopy.

DNA damage and metabolic activity in the preimplantation embryo (2008)
Journal Article
Sturmey, R. G., Hawkhead, J. A., Barker, E. A., & Leese, H. J. (2009). DNA damage and metabolic activity in the preimplantation embryo. Human Reproduction, 24(1), 81-91. https://doi.org/10.1093/humrep/den346

BACKGROUND: Embryos with greater viability have a lower or 'quieter' amino acid metabolism than those which arrest. We have hypothesized this is due to non-viable embryos possessing greater cellular/molecular damage and consuming more nutrients, such... Read More about DNA damage and metabolic activity in the preimplantation embryo.

The effects of hypo- and hyperglycemia during lipolysis-like conditions on bovine oocyte maturation, subsequent embryo developmental and glucose metabolism
Conference Proceeding
Sturmey, R., Andries, S., Bols, P., De Bie, J., Desmet, K., Leroy, J., & Marei, W. The effects of hypo- and hyperglycemia during lipolysis-like conditions on bovine oocyte maturation, subsequent embryo developmental and glucose metabolism.

Abstract of a conference paper presented at the 31st meeting of the European Embryo Transfer Associaton, 11-12 September 2015, Ghent, Belgium.