Subtopic Deep Dive
Neuropeptide Y Physiology
Research Guide
What is Neuropeptide Y Physiology?
Neuropeptide Y (NPY) physiology examines NPY's functions in feeding stimulation, stress modulation, and cardiovascular control across vertebrate species via receptor subtypes and signaling pathways.
NPY, administered intracerebroventricularly, potently stimulates feeding behavior in rats (Clark et al., 1984, 1276 citations). Research characterizes NPY's hypothalamic roles alongside catecholamines. Over 10 key papers document NPY's conserved mechanisms in energy homeostasis.
Why It Matters
NPY physiology reveals mechanisms linking hypothalamic NPY to appetite regulation, informing obesity treatments (Clark et al., 1984; Qu et al., 1996). Stress and cardiovascular studies using NPY models guide anxiety disorder therapies (Åhrén, 2000). Vertebrate comparisons, including rat and frog spinal distributions, support translational applications (Gibson et al., 1984).
Key Research Challenges
Receptor Subtype Specificity
Distinguishing Y1, Y2, and Y5 receptor contributions to feeding requires selective agonists (Alexander et al., 2015). Signaling crosstalk complicates isolation in hypothalamic circuits. Chemogenetic tools like DREADDs aid verification (Urban and Roth, 2014).
Cross-Species Translation
NPY effects vary from rat feeding stimulation to frog spinal distribution (Clark et al., 1984; Gibson et al., 1984). Conserved pathways need multi-species validation. Pancreatic interactions challenge human extrapolation (Åhrén, 2000).
Chronic Adaptation Mechanisms
Tolerance to NPY feeding stimulation mirrors opioid neuroadaptations (Christie, 2008). Hypothalamic plasticity during stress responses remains unclear. Incretin overlaps hinder homeostasis modeling (Seino et al., 2010).
Essential Papers
A role for melanin-concentrating hormone in the central regulation of feeding behaviour
Daqing Qu, David S. Ludwig, Steen Gammeltoft et al. · 1996 · Nature · 1.3K citations
NEUROPEPTIDE Y AND HUMAN PANCREATIC POLYPEPTIDE STIMULATE FEEDING BEHAVIOR IN RATS
John T. Clark, Pushpa S. Kalra, William R. Crowley et al. · 1984 · Endocrinology · 1.3K citations
Observations that a pancreatic polypeptide-like substance, possibly neuropeptide Y, is present in hypothalamic areas and may coexist with catecholamines prompted evaluation of its role in controlli...
Calcitonin gene-related peptide immunoreactivity in the spinal cord of man and of eight other species
S.J. Gibson, J.M. Polak, S.R. Bloom et al. · 1984 · Journal of Neuroscience · 1.0K citations
Calcitonin gene-related peptide (CGRP) immunoreactivity was found throughout the entire spinal cord of man, marmoset, horse, pig, cat, guinea pig, mouse, rat, and frog. CGRP-immunoreactive fibers w...
Autonomic regulation of islet hormone secretion - Implications for health and disease
Bo Åhrén · 2000 · Diabetologia · 892 citations
The Concise Guide to PHARMACOLOGY 2015/16: G protein‐coupled receptors
S P H Alexander, Anthony P. Davenport, Eamonn Kelly et al. · 2015 · British Journal of Pharmacology · 844 citations
The Concise Guide to PHARMACOLOGY 2015/16 provides concise overviews of the key properties of over 1750 human drug targets with their pharmacology, plus links to an open access knowledgebase of dru...
GIP and GLP‐1, the two incretin hormones: Similarities and differences
Yutaka Seino, Mitsuo Fukushima, Daisuke Yabe · 2010 · Journal of Diabetes Investigation · 686 citations
Abstract Gastric inhibitory polypeptide (GIP) and glucagon‐like peptide‐1 (GLP‐1) are the two primary incretin hormones secreted from the intestine on ingestion of glucose or nutrients to stimulate...
DREADDs (Designer Receptors Exclusively Activated by Designer Drugs): Chemogenetic Tools with Therapeutic Utility
Daniel J. Urban, Bryan L. Roth · 2014 · The Annual Review of Pharmacology and Toxicology · 668 citations
In the past decade, emerging synthetic biology technologies such as chemogenetics have dramatically transformed how pharmacologists and systems biologists deconstruct the involvement of G protein–c...
Reading Guide
Foundational Papers
Start with Clark et al. (1984, 1276 citations) for core NPY feeding evidence in rats; Qu et al. (1996, 1318 citations) for central regulation context; Gibson et al. (1984) for vertebrate distributions.
Recent Advances
Alexander et al. (2015, 844 citations) for GPCR details; Urban and Roth (2014, 668 citations) for DREADD tools in NPY circuits.
Core Methods
ICV administration (Clark et al., 1984); immunohistochemistry (Gibson et al., 1984); chemogenetics (Urban and Roth, 2014); GPCR profiling (Alexander et al., 2015).
How PapersFlow Helps You Research Neuropeptide Y Physiology
Discover & Search
Research Agent uses searchPapers and citationGraph to map NPY feeding studies from Clark et al. (1984, 1276 citations), revealing 50+ connected papers on hypothalamic mechanisms. exaSearch uncovers vertebrate-specific NPY distributions like Gibson et al. (1984). findSimilarPapers expands from Qu et al. (1996) to MCH-NPY interactions.
Analyze & Verify
Analysis Agent applies readPaperContent to parse Clark et al. (1984) abstracts for ICV dosing data, then runPythonAnalysis with pandas to quantify feeding responses across rat studies. verifyResponse (CoVe) and GRADE grading confirm receptor claims against Alexander et al. (2015) GPCR data, flagging inconsistencies in Y-subtype signaling.
Synthesize & Write
Synthesis Agent detects gaps in NPY-stress links post-feeding studies, generating exportMermaid diagrams of hypothalamic pathways. Writing Agent uses latexEditText, latexSyncCitations for Clark (1984) and Åhrén (2000), and latexCompile to produce review manuscripts with NPY receptor figures.
Use Cases
"Plot NPY feeding dose-responses from rat studies in Clark 1984 and similar papers"
Research Agent → searchPapers('NPY feeding rats') → Analysis Agent → readPaperContent(Clark 1984) → runPythonAnalysis(pandas/matplotlib dose curve) → researcher gets publication-ready feeding response graph.
"Draft LaTeX review on NPY hypothalamic signaling with citations"
Synthesis Agent → gap detection(NPY hypothalamus) → Writing Agent → latexEditText(structure review) → latexSyncCitations(Clark 1984, Qu 1996) → latexCompile → researcher gets compiled PDF with synced bibliography.
"Find GitHub code for NPY receptor simulations"
Research Agent → citationGraph(Urban Roth 2014 DREADDs) → Code Discovery → paperExtractUrls → paperFindGithubRepo → githubRepoInspect → researcher gets verified simulation repos for NPY GPCR modeling.
Automated Workflows
Deep Research workflow scans 50+ NPY papers via searchPapers → citationGraph, producing structured reports on feeding vs. cardiovascular roles (Clark et al., 1984; Åhrén, 2000). DeepScan applies 7-step CoVe analysis to verify receptor signaling from Alexander et al. (2015). Theorizer generates hypotheses on NPY-MCH interactions from Qu et al. (1996).
Frequently Asked Questions
What defines Neuropeptide Y physiology?
NPY physiology studies its stimulation of feeding via hypothalamic injection (Clark et al., 1984), stress responses, and cardiovascular regulation across vertebrates through Y-receptor pathways.
What methods characterize NPY functions?
Intracerebroventricular administration tests feeding (Clark et al., 1984); immunohistochemistry maps spinal distributions (Gibson et al., 1984); DREADDs enable chemogenetic receptor activation (Urban and Roth, 2014).
What are key papers on NPY?
Clark et al. (1984, 1276 citations) shows NPY stimulates rat feeding; Qu et al. (1996, 1318 citations) links to MCH; Alexander et al. (2015) details GPCR pharmacology.
What open problems exist in NPY research?
Subtype-specific signaling in chronic stress; cross-species cardiovascular translation; neuroadaptations to sustained NPY exposure (Christie, 2008).
Research Neuropeptides and Animal Physiology with AI
PapersFlow provides specialized AI tools for your field researchers. Here are the most relevant for this topic:
AI Literature Review
Automate paper discovery and synthesis across 474M+ papers
Deep Research Reports
Multi-source evidence synthesis with counter-evidence
Paper Summarizer
Get structured summaries of any paper in seconds
AI Academic Writing
Write research papers with AI assistance and LaTeX support
Start Researching Neuropeptide Y Physiology with AI
Search 474M+ papers, run AI-powered literature reviews, and write with integrated citations — all in one workspace.