Agent skill

cellular-senescence-agent

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/cellular-senescence-agent

SKILL.md

---name: cellular-senescence-agent description: AI-powered analysis of cellular senescence for aging research, cancer therapy response, and senolytic drug development. license: MIT metadata: author: AI Group version: "1.0.0" created: "2026-01-19" compatibility:

  • system: Python 3.10+ allowed-tools:
  • run_shell_command
  • read_file
  • write_file

keywords:

  • cellular-senescence-agent
  • automation
  • biomedical measurable_outcome: execute task with >95% success rate. ---"

Cellular Senescence Agent

The Cellular Senescence Agent provides comprehensive AI-driven analysis of cellular senescence signatures for aging research, cancer biology, and senolytic therapeutic development.

When to Use This Skill

  • When identifying senescent cells in tissue or single-cell data.
  • To analyze senescence-associated secretory phenotype (SASP).
  • For predicting senolytic drug sensitivity.
  • When studying therapy-induced senescence in cancer.
  • To assess senescence burden in aging and disease.

Core Capabilities

  1. Senescence Scoring: Calculate senescence signatures from transcriptomic data.

  2. SASP Profiling: Characterize senescence-associated secretory phenotype composition.

  3. Single-Cell Detection: Identify senescent cells in scRNA-seq data.

  4. Senolytic Prediction: Predict sensitivity to senolytic drugs.

  5. Tissue Aging: Assess senescence burden across tissues.

  6. Cancer Senescence: Analyze therapy-induced senescence.

Senescence Markers

Category Markers Detection
Cell cycle p16INK4a, p21CIP1, p53 Expression, IHC
SA-β-gal GLB1 (lysosomal) Activity assay
SASP IL-6, IL-8, MMP3, PAI-1 Expression, secretion
DNA damage γH2AX, 53BP1 foci Immunofluorescence
Morphology Enlarged, flattened Imaging
Epigenetic SAHF, SAHMs Chromatin marks

Workflow

  1. Input: Bulk or single-cell RNA-seq, proteomics, imaging data.

  2. Signature Scoring: Apply senescence gene signatures.

  3. SASP Analysis: Profile secretory phenotype.

  4. Cell Identification: Flag senescent cells (single-cell).

  5. Senolytic Prediction: Match to drug sensitivity profiles.

  6. Burden Estimation: Quantify senescence load.

  7. Output: Senescence scores, SASP profile, drug recommendations.

Example Usage

User: "Analyze senescence signatures in this aging tissue dataset and identify senolytic candidates."

Agent Action:

bash
python3 Skills/Longevity_Aging/Cellular_Senescence_Agent/senescence_analyzer.py \
    --rnaseq tissue_expression.tsv \
    --singlecell tissue_scrnaseq.h5ad \
    --signatures fridman_sasp,reactome_senescence \
    --senolytic_prediction true \
    --tissue liver \
    --output senescence_report/

Senescence Gene Signatures

Signature Genes Application
Fridman (2017) CDKN1A, CDKN2A, SERPINE1... Pan-senescence
SenMayo 125 genes Tissue senescence
SASP Core IL6, IL8, CXCL1, MMP1... Secretory phenotype
p16/p21 pathway CDKN2A, CDKN1A, MDM2... Cell cycle arrest

SASP Components

Pro-inflammatory:

  • Interleukins: IL-1α/β, IL-6, IL-8
  • Chemokines: CXCL1, CXCL2, CCL2
  • Growth factors: TGF-β, VEGF

Matrix Remodeling:

  • MMPs: MMP1, MMP3, MMP10
  • Serpins: PAI-1 (SERPINE1)

Effects on Microenvironment:

  • Paracrine senescence spread
  • Immune cell recruitment
  • ECM remodeling
  • Tumor promotion (chronic) vs suppression (acute)

Senolytic Drugs

Drug Target Clinical Status
Dasatinib Src/tyrosine kinases Trials (with Q)
Quercetin PI3K, serpins Trials (with D)
Navitoclax BCL-2/BCL-xL Trials
Fisetin Multiple Early trials
UBX1325 BCL-xL Phase 2 (macular)

AI/ML Components

Senescence Classifier:

  • Multi-gene signature scoring
  • ML classifiers on expression
  • Single-cell senescence probability

Drug Response:

  • GDSC/CCLE senescence sensitivity
  • SASP-drug correlations
  • Synergy predictions

Aging Clock Integration:

  • Epigenetic age correlation
  • Transcriptomic age
  • Senescence-aging relationships

Cancer Applications

Therapy-Induced Senescence (TIS):

  • Chemotherapy, radiation
  • CDK4/6 inhibitors (palbociclib)
  • Dual outcomes: tumor suppression vs SASP-driven recurrence

Senescence + Senolytics:

  • Induce senescence → clear with senolytics
  • "One-two punch" approach
  • Clinical trials ongoing

Prerequisites

  • Python 3.10+
  • Gene signature tools (GSVA, ssGSEA)
  • Single-cell analysis (Scanpy)
  • Drug response databases

Related Skills

  • Single_Cell - For scRNA-seq analysis
  • Cancer_Metabolism_Agent - For metabolic senescence
  • Tumor_Microenvironment - For SASP effects

Research Applications

  1. Aging Research: Quantify senescence burden
  2. Cancer Therapy: Monitor TIS response
  3. Drug Development: Senolytic efficacy
  4. Fibrosis: Senescence in fibrotic disease
  5. Regeneration: Senescence in tissue repair

Author

AI Group - Biomedical AI Platform

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