Kisspeptin is a 54 amino acid hypothalamic peptide hormone that activates G protein-coupled KISS1 receptors. However, the physiological function of kisspeptin is not confined to the hypothalamus, as the hormone and its receptor are abundantly expressed in various tissues, including the endocrine pancreas. Kisspeptin has been shown to stimulate insulin secretion from beta-cells. Further to this, there is knowledge that kisspeptin can affect cell survival and proliferation. Whether this extends to survival and proliferation of pancreatic beta-cells, with obvious beneficial effects for diabetes, remains to be elucidated. Moreover, further understanding the role of kisspeptin in the pathophysiological progression of diabetes, could uncover important, therapeutically relevant, information.
Kisspeptin is proteolytically processed into several smaller fragments that have been isolated in humans composed of 10, 13 and 14 amino acids. Each of these fragments has a conserved C-terminal region, highlighting this as an important part of the molecule for receptor binding and biological actions. Indeed, all four peptides, kisspeptin 10, 13, 14 and 54, possess the same affinity for the KISS1 receptor, and have been shown to be biologically active. This is particularly encouraging, as smaller peptides are easier to synthesise and formulate, less expensive and much more favourable drug candidates.
Taken together, uncovering the mechanisms involved in kisspeptin degradation, its role in diabetes progression together with the direct effects of kisspeptin and related fragments on beta-cell function and survival could help reveal, an as yet untapped, therapeutic strategy for the treatment of diabetes. This would ultimately be accomplished through synthesis of long-acting kisspeptin related peptides, where the diabetes research group at Ulster have notable relevant experience.
The core objectives of this research project are therefore:
*Determine the full degradation profile of kisspeptin
*Characterise novel and long-acting kisspeptin and kisspeptin fragment peptides
*Assess in vitro biological actions of novel peptides in rodent and human insulin-releasing cell lines (BRIN-BD11 and 1.1B4) and isolated mouse islets under normal and diabetic conditions
*Determine effects of kisspeptin peptides on beta-cell proliferation and apoptosis under normal and diabetic conditions
*Uncover the role of kisspeptin in the progression of diabetes
*Establish in vivo gluco-regulatory and insulin secretory actions of novel peptides
*Determine biological duration of action / toxicity of novel peptides
*Finally, assess beneficial effects of novel peptides alone, and in combination with established antidiabetic drugs, in models of type 2 diabetes with different aetiologies
Together, this PhD project will provide excellent training in a wide range of state-of-the-art research techniques. We are seeking an applicant with good practical laboratory, computer and communication skills and enthusiasm and commitment to work diligently on all aspects of the research project. A background in biomedical sciences, pharmacology or a related subject would be desirable. Informal enquiries to Prof Gault (firstname.lastname@example.org) are welcomed.
- To hold, or expect to achieve by 15 August, an Upper Second Class Honours (2:1) Degree or equivalent from a UK institution (or overseas award deemed to be equivalent via UK NARIC) in a related or cognate field.
- Sound understanding of subject area as evidenced by a comprehensive research proposal
If the University receives a large number of applicants for the project, the following desirable criteria may be applied to shortlist applicants for interview.
- First Class Honours (1st) Degree
- Masters at 65%
- Research project completion within taught Masters degree or MRES
- Practice-based research experience and/or dissemination
- Experience using research methods or other approaches relevant to the subject domain
- Work experience relevant to the proposed project
- Publications - peer-reviewed
- Experience of presentation of research findings
- A comprehensive and articulate personal statement
- Relevant professional qualification and/or a Degree in a Health or Health related area
The University offers the following awards to support PhD study and applications are invited from UK, EU and overseas for the following levels of support:
Vice Chancellors Research Studentship (VCRS)
Full award (full-time PhD fees + DfE level of maintenance grant + RTSG for 3 years).
This scholarship will cover full-time PhD tuition fees and provide the recipient with £15,500 (tbc) maintenance grant per annum for three years (subject to satisfactory academic performance). This scholarship also comes with £900 per annum for three years as a research training support grant (RTSG) allocation to help support the PhD researcher.
Vice-Chancellor’s Research Bursary (VCRB)
Part award (full-time PhD fees + 50% DfE level of maintenance grant + RTSG for 3 years).
This scholarship will cover full-time PhD tuition fees and provide the recipient with £7,750 maintenance grant per annum for three years (subject to satisfactory academic performance). This scholarship also comes with £900 per annum for three years as a research training support grant (RTSG) allocation to help support the PhD researcher.
Vice-Chancellor’s Research Fees Bursary (VCRFB)
Fees only award (PhD fees + RTSG for 3 years).
This scholarship will cover full-time PhD tuition fees for three years (subject to satisfactory academic performance). This scholarship also comes with £900 per annum for three years as a research training support grant (RTSG) allocation to help support the PhD researcher.
Department for the Economy (DFE)
The scholarship will cover tuition fees at the Home rate and a maintenance allowance of £ 15,500 (tbc) per annum for three years (subject to satisfactory academic performance). EU applicants will only be eligible for the fee’s component of the studentship (no maintenance award is provided). For Non-EU nationals the candidate must be "settled" in the UK. This scholarship also comes with £900 per annum for three years as a research training support grant (RTSG) allocation to help support the PhD researcher.
Due consideration should be given to financing your studies; for further information on cost of living etc. please refer to: www.ulster.ac.uk/doctoralcollege/postgraduate-research/fees-and-funding/financing-your-studies
The Doctoral College at Ulster University
My experience has been great and the people that I have worked with have been amazing
Kieran O'Donnell - 3D printing of biological cells for tissue engineering applicationsWatch Video
Kamin Hau - PhD in Biomedical Sciences
Completing the MRes provided me with a lot of different skills, particularly in research methods and lab skills.
Michelle Clements Clements - MRes - Life and Health SciencesWatch Video
I completed my undergraduate studies at Ulster University, where I graduated in 2017 with first class honours in Biomedical Science with a Diploma in Professional Practice . I joined the Diabetes Research group as a PhD researcher in September 2017 and completed my PhD studies in June 2020.I am proud to say I not only completed my PhD studies within 3 years, but also became the World Champion (with a perfect score!) in Irish Dance during my PhD studies. My favourite memory was the opportunity to present my PhD work at the EASD conference in 2019. If I could speak to myself at the start of my PhD, the best piece of advice I would give myself would be to enjoy every single minute as the time flies in. I really would do another PhD!
Sarah Craig - PhD in Biomedical Sciences
I completed my undergraduate studies in America at Texas Woman’s University where I majored in Kinesiology. I then moved to Scotland to successfully complete my Masters with Merit in Human Anatomy at the University of Dundee.My proudest moment was when I passed my viva! My favourite memory was …the dissections. I’ll never forget the friends I made and the good times we had together. I couldn’t have got through this without the support of my family, friends, lab colleagues, supervisors, and my boyfriend. If I could speak to myself at the start of my PhD, the best piece of advice I would give myself would be to write up after every experiment, keep a lot of back up copies of the work, and to enjoy the experience.
Natalie Klempel - PhD in Biomedical Sciences
Throughout my PhD I’ve been provided with continuous support and guidance by my supervisors and the staff at the University.I’ve also received many opportunities to further enhance my professional development in the form of teaching experience and presenting my work at conferences which will aid in my pursuit of a career in academia or industry.
I studied Medical Neuroscience at the University of Sussex followed by a year working in Industry and then a Master's in Genetics at the University of Lyon in France, before coming to Ulster University for my PhD in Biomedical Sciences.I want to thank my fantastic supervisors Declan McKenna and Colum Walsh for teaching me so much and for being so supportive. I had a brilliant PhD experience, made all the better by my lovely supervisors, office-buddies, tearoom-buddies, and other friends. I also want to thank the amazing staff at the Coleraine campus gym for being so much fun and for giving me my love of fitness. I am so glad that I decided to join in the first year - it was really the thing that kept me sane during the stressful periods and I so enjoyed being part of that community. My best wishes to the rest of my cohort and good luck for the future.
Charlotte Zoe Angel - PhD in Biomedical Sciences
I am originally from Nepal, having received my undergraduate and master's degree from Bangladesh. During my Master's degree, I chose area of diabetes research and then I was offered a PhD in the School of Biomedical Sciences on Diabetes Research. Currently, I'm working as a Scientist at Randox Laboratories Ltd. Thus, I would like to thank my supervisors, without them I wouldn't be in this position today.My proudest moment was when I presented my research outcomes to an international symposium. My favorite memory was the love of university staff and colleagues during my PhD tenure. I’ll never forget my supervisors, and especially Professor Peter Flatt, who has guided me in each step of my PhD life. I couldn’t have got through this without Professor Peter Flatt and Dr Yasser Abdel-Wahab and the University’s staff support.If I could speak to myself at the start of my PhD, the best piece of advice I would give myself would be after all the hard work, you will receive a
Prawej Ansari - PhD in Biomedical Sciences
I joined Ulster university in Jan 1990 after completing Postdoctoral research in Germany (1986-88) and PhD in India (1985). DSc degree in Applied Microbial-Biotechnology has been awarded after the evaluation of my thesis based on Research, Publication & related activities, completed as a research-active academic member of staff (1990-2019). DSc thesis summarised my scientific outputs and contributions (183 research papers, 3 biotechnology reference-books, 43 research-informed book-chapters, 26 research-informed review-articles, 90 conference-abstracts,1 European Patent and 2 Technology-transfers; Supervision of National & International researchers-18 Postdoctoral/Exchange and 12 PhD; and affiliations as Examiner of 58 PhD researchers globally, and Fellow & Member of nine scientific & academic societies.My message to all researchers is that "Chase your Aspirations and Never Give up". I couldn’t have got through my long academic & Professional journey without
Poonam Singh Nigam - DSc in Biomedical Sciences
I started my PhD after I completed my undergraduate in Biology at Ulster University in 2016, with a dissertation project that focused on genetic variations in bacterial species. I continued using some of these techniques in my doctoral research, which primarily involved the investigation and development of mass spectrometry imaging in vitamin D treated prostate cancer, looking at the metabolic and genetic variations upon treatment. I worked with international collaborators at the University of Edinburgh and Maastricht University, where I got to learn and develop mass spectrometry techniques that have not previously been carried out in Northern Ireland. I now work as a postdoctoral researcher at the National High Magnetic Field Laboratory at Florida State University in Tallahassee, Florida, where I am helping to develop and implement a mass spectrometry imaging facility for users across the world with the super powerful 21T FT-ICR mass spectrometer.A PhD is a demanding process but when
Karl Smith - PhD in Biomedical Sciences
I graduated Ulster University in 2016 with a degree in Biomedical Science with DPP (Pathology). I was then offered a PhD studentship with Dr Catriona Kelly and Professor Neville McClenaghan at CTRIC which I started in September 2016. My PhD explored the pathophysiology of Cystic Fibrosis-Related Diabetes, the most common co-morbidity associated with Cystic Fibrosis.My proudest moment was undoubtedly passing my Viva (via Skype!), but I was also proud to be given the opportunity to present my work at the UK Cystic Fibrosis Trust Conference in 2018. Through this conference, I was able to meet with people with CF and the challenges they face which was important reminder that the research I was doing mattered. I couldn't have got through this without the unwavering support of my family, who were always there for me in the good times and the bad. I am also extremely grateful for the support and mentorship of my supervisors Dr Catriona Kelly, Professor Neville McClenaghan and Dr Dawood Khan
Ryan Kelsey - PhD in Biomedical Sciences
My proudest moment was when I knew the possibility of the full transfer of my PhD project to Ulster University, the University which I loved and started my first steps towards my PhD in, and also being a PhD graduate from one of the highly reputable universities such as Ulster is a big thing which I should always be proud of. I think there is no that word that can ever express my deepest thanks and sincere appreciation to my supervisor Professor Kathryn Burnett for her ideal supervision, valuable guidance, encouragement, generous help and ultimate support throughout my PhD project. I have been really lucky to have her as a supervisor. Also my deepest gratitude to Mr Linden Ashfield, Principal Clinical Pharmacist, Antrim Area Hospital (NHSCT) for his help and endless support throughout the whole research project. Also, I could not have got through this without the support of my beloved family (my father ”Sayed”, my mother ”Gamila”, my wife “Nermeen”
Ahmed Abuelhana - PhD in Biomedical Sciences
I graduated from Queen's University Belfast with a Master's in pharmacy in 2014 and subsequently began working as a community pharmacist in the Greater Belfast area. My career began to take an unusual turn when I got involved with a small startup company who developed a novel blood glucose monitor for diabetic patients. From here, my interest in diabetes was piqued and I applied for a PhD project (somewhat optimistically!) in the Diabetes Research Group at Ulster. Nearly four years later, I'm still there working as a postdoctoral researcher. Not bad considering I never thought I had a chance of getting a PhD spot!My time within the DRG has been, and still is, fantastic. I've made life-long friends (and surprisingly few enemies!) who have been patient, helpful and a joy to collaborate with. I couldn't have got through it without them (you know who you are). Likewise, the guidance from my supervisors, Prof. Peter Flatt and Dr. Nigel Irwin, has been invaluable. I'm probably most proud of
Ryan Lafferty - PhD in Biomedical Sciences