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Cognitive & Neuropeptides · Source-reviewed dossier
Dermorphin
Source-Reviewed Research Dossier
Cognitive & Neuropeptide Research Families
This center groups neuroactive peptides and related research compounds studied in signaling, behavior, stress, memory or neurological models. Endogenous biological roles, experimental interventions and a supplied catalog material are separate evidence questions.
5 families found for “Cognitive & Neuropeptides”
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Cognitive & Neuropeptides · Source-reviewed dossier
Dermorphin
Source-Reviewed Research Dossier
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Cognitive & Neuropeptides · Source-reviewed dossier
DSIP
Source-Reviewed Research Dossier
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Cognitive & Neuropeptides · Source-reviewed dossier
Selank
Source-Reviewed Research Dossier
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Cognitive & Neuropeptides · Source-reviewed dossier
Semax
Source-Reviewed Research Dossier
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Cognitive & Neuropeptides · Source-reviewed dossier
VIP
Source-Reviewed Research Dossier
Category knowledge center
How to evaluate this research category
This hub separates molecular identity, study design and lot documentation so related families can be explored without turning unlike evidence into a single claim.
- 5
- canonical families
- 10
- catalog variants
- 5
- reviewed dossiers
- 10
- linked source records
What this category includes
- Neuropeptide and neuroendocrine signaling families
- Catalog materials associated with cognitive or behavioral models
- Short peptides and analogues requiring explicit sequence identity
- Source-reviewed human, animal, in-vitro and mechanistic context
Identity and interpretation checks
- A peptide being endogenous does not establish the effect of externally supplied research material.
- Behavioral models depend on species, task, route, timing and comparator.
- Commercial names may conceal sequence or terminal-modification differences.
Sequence and form
Confirm sequence, termini, salt or counterion and whether the name describes an endogenous peptide or an analogue.
Model boundary
Behavioral findings in rodents or cell signaling experiments cannot establish a human cognitive outcome.
Outcome definition
Memory, stress, sleep and neuroprotection are different endpoints and should not be merged into one efficacy claim.
Continue the research
Comparisons and editorial analysis
Use fixed, reviewed comparison pages for defined questions and articles for deeper source context. Product dossiers remain the source for catalog identity and variants.
Semax Evidence in 2024–2025: Rat Stroke and Mouse Spinal-Cord Models
Recent Semax papers report molecular and functional findings in rats, female mice and cell models. They expand mechanism hypotheses but do not supply the…
Read analysis →Semax Identity Guide: ACTH(4–7)-Pro-Gly-Pro Sequence and Testing
Semax is the synthetic heptapeptide Met-Glu-His-Phe-Pro-Gly-Pro, also written ACTH(4–7)-Pro-Gly-Pro. It should not be confused with semaxanib, an unrelated small molecule with a similar name.
Read analysis →Selank Evidence Review: Small Human Studies and GABA Research
Selank has limited human comparative literature and a larger mechanistic narrative around GABA signaling. The human reports are small, mostly Russian-language, and do not…
Read analysis →Selank Identity Guide: TKPRPGP Sequence and Tuftsin Relationship
Selank is the heptapeptide Thr-Lys-Pro-Arg-Pro-Gly-Pro. It incorporates the tuftsin sequence Thr-Lys-Pro-Arg and adds Pro-Gly-Pro, but it is not identical to tuftsin.
Read analysis →DSIP and Sleep: Why the Evidence Remains Unresolved
Delta sleep-inducing peptide has a memorable name, but the literature does not support treating that name as a settled mechanism or a proven human…
Read analysis →DSIP Identity Guide: Emideltide Sequence, Mass and Analytical Record
DSIP is a defined nonapeptide also indexed as emideltide. The exact nine-residue sequence is clearer than its proposed endogenous mechanism.
Read analysis →Category questions
Evidence and identity FAQ
These answers define how the category is organized. They do not replace the product specification, lot documents or the cited study record.
Does a neuropeptide name identify one exact material?
Not always. Sequence length, terminal form, salt and analogue status may differ, so the applicable specification must define the material.
Are animal cognition studies evidence of a human benefit?
No. They support a model-specific research finding and require separate human evidence before any clinical interpretation.
How should two neuropeptides be compared?
Compare molecular identity, target pathway, study model, endpoint and evidence maturity rather than combining unrelated outcome labels.