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Receptor binding
The peptide has to reach the right receptor and hold on long enough to matter — and ignore every receptor that looks almost the same.
Doctor of Pharmacy · Peptide pharmacology
Peptides, from the first bond to the clinical effect.
Pedram Yousfi researches how short chains of amino acids find their receptor, change its shape, and turn that single moment of contact into a measurable effect in a patient. This site collects that work — and explains it in language a clinician, a researcher or a curious reader can use.
PharmDDoctor of Pharmacy, specialised in peptide pharmacology
10+ yrsIn pharmaceutical practice, teaching and lab work
EN · AR · FALectures and consultations in three languages
Dr. Pedram Yousfi
Peptide research & education
A peptide is a sentence written in amino acids.
Below is oxytocin: nine residues, one disulfide bridge, and an effect strong enough to be used in hospitals every day. Select any residue to see what it contributes.
Cysteine
Forms the disulfide bridge with residue 6 — the bond that closes oxytocin into a ring and holds its shape.
POSITION 1From mechanism to therapeutic effect
Four things have to happen before a peptide becomes a treatment.
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Signal transduction
Binding changes the receptor's shape. That change is passed inward through G proteins, kinases and second messengers.
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Drug response
The cell answers: a channel opens, a gene switches on, a muscle contracts. Multiply that across a tissue and you have a response.
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Clinical application
Dose, route, half-life, safety margin. This is where the molecule stops being chemistry and starts being medicine.
Areas of work
What the research looks at.
Receptor binding & selectivity
Why one peptide activates its target and leaves a near-identical receptor untouched. Affinity, kinetics, and the side chains that decide both.
Stability, half-life & delivery
Peptides are fragile by nature. Cyclisation, amidation, unnatural residues and carrier systems are how a promising molecule survives long enough to work.
Signalling pathways
Tracing what happens after binding — and where a therapeutic effect separates from a side effect.
Safety & quality
Purity, impurities, immunogenicity and the regulatory expectations that separate a real product from a claim.
Reading the evidence
Sorting published peptide research into what is established, what is early, and what is marketing.
Teaching & lectures
Explaining a mechanism is part of the research, not an afterthought.
Lectures and workshops for pharmacy students, clinical teams and industry audiences — in English and Arabic, built around the same idea: if you can follow the molecule, you can judge the claim.
About
A pharmacist who kept following one question.
Pedram Yousfi is a doctor of pharmacy whose doctoral work centred on peptides — how they are built, how quickly they disappear, and what has to be true for them to reach a receptor intact.
The work sits between the bench and the clinic. On one side, structure, stability and binding data. On the other, the practical questions that arrive from clinicians and patients: does this actually do anything, is it safe, and how would we know.
- 2024Doctorate in peptide pharmacologyResearch on receptor selectivity and peptide stability
- 2019Doctor of Pharmacy (PharmD)Clinical pharmacy and pharmacotherapy
- OngoingLecturer & scientific speakerContinuing education for pharmacists and clinical teams
- OngoingScientific consultantEvidence review and formulation guidance for teams working with peptides
Publications & talks
Selected work.
2025
2024
2024
2023
Cyclisation strategies and their effect on peptide half-life
Review articleReceptor selectivity in short peptide agonists: what the side chains decide
Original researchPharmacology: from mechanism to therapeutic effect
Invited lectureReading peptide claims: separating evidence from marketing
Continuing education workshopConsultation
Bring a question, leave with the evidence behind it.
A scientific consultation is a focused session — usually 30 to 45 minutes — for people who need a clear read on a peptide, a mechanism or a study.
- Reviewing what a study actually shows, and what it doesn't
- Mechanism explained for a clinical or student audience
- Stability, storage and formulation questions
- Scientific review of product claims and marketing material
This is scientific and educational consultation. It is not a diagnosis, a prescription, or a substitute for care from your own treating physician.
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