Acronyms

Reference glossary for acronyms and abbreviations used across the wiki. Curated — common-knowledge terms (DNA, RNA, ATP, PDF) included only when colliding with a wiki-specific use; obvious one-off mentions omitted.

When in doubt about a term, search this page first, then the relevant atomic page (e.g., [[mtor]] for mTOR-pathway detail).

A

• AAV — Adeno-Associated Virus (gene-therapy vector)
• AA — Auxiliary Activity in CAZy enzyme-family contexts; amino acid in protein-sequence contexts
• AD — Alzheimer’s Disease
• ADP — Adenosine Diphosphate
• ADSC — Adipose-Derived Stem Cell (used in skin / hyaluronan-delivery studies)
• AF — Autofluorescence (bulk fluorescent-AGE readout in skin/retina studies; non-specific to glucosepane)
• AF3 — AlphaFold 3 (biomolecular-structure prediction model with protein-ligand / nucleic-acid complex support)
• AGE — Advanced Glycation End-product → advanced-glycation-end-products
• ADI — Arginine Deiminase (guanidino-modifying enzyme family)
• AKR — Aldo-Keto Reductase (reactive-carbonyl detoxification enzyme family; e.g., AKR1B1)
• ALDH — Aldehyde Dehydrogenase (reactive-aldehyde detoxification enzyme family; e.g., ALDH2)
• AICAR — 5-Aminoimidazole-4-carboxamide Ribonucleotide (AMPK activator)
• AIF — Apoptosis-Inducing Factor
• AKT — Protein Kinase B (PKB); alternate name AKT/PKB
• ALT — Alternative Lengthening of Telomeres (telomerase-independent)
• ALT-711 — Alagebrium chloride (prototype clinical AGE-crosslink-breaker candidate)
• AMPK — AMP-Activated Protein Kinase (cellular energy sensor)
• AMD — Age-related Macular Degeneration
• ANOVA — Analysis of Variance
• ANGPTL — Angiopoietin-Like protein family
• ApoB — Apolipoprotein B (LDL/VLDL structural protein; one-per-particle, basis of atherogenic-particle count)
• AP-1 — Activator Protein 1 (Jun/Fos transcription factor complex; UV/MMP and collagen-aging axis)
• APOE — Apolipoprotein E
• ARE — Antioxidant Response Element (NRF2 target sequence)
• ATG — Autophagy-related (protein family prefix; e.g., ATG7)
• ATM — Ataxia-Telangiectasia Mutated (kinase, DNA damage)
• ATP — Adenosine Triphosphate
• ATR — Ataxia Telangiectasia and Rad3-related (kinase)
• ATRA — All-Trans Retinoic Acid
• AUC — Area Under the Curve (postprandial glucose response, drug PK, ROC analysis)

B

• BAX/BAK — BCL-2-Associated X protein / BCL-2 Antagonist Killer (pro-apoptotic)
• BB — Barbell (resistance-training equipment; distinct from DB = dumbbell)
• BCL-2 — B-Cell Lymphoma 2 (anti-apoptotic)
• BCL-xL — BCL-2-like 1 (anti-apoptotic; senolytic target)
• BDNF — Brain-Derived Neurotrophic Factor
• BENEFICIAL — Alagebrium Phase 3 heart-failure trial (failed primary endpoint)
• BER — Base Excision Repair
• BH3 — BCL-2 Homology domain 3
• BMI — Body Mass Index
• BSA — Bovine Serum Albumin (carrier/screening protein in AGE-conjugate assays)
• BNIP3 — BCL-2/E1B 19 kDa-Interacting Protein 3 → bnip3
• BP — Blood Pressure
• BRCA1/2 — Breast Cancer susceptibility protein 1/2

C

• CALERIE — Comprehensive Assessment of Long-term Effects of Reducing Intake of Energy (CR trial)
• CANTOS — Canakinumab Anti-inflammatory Thrombosis Outcome Study
• CAR-T — Chimeric Antigen Receptor T-cell (immunotherapy)
• CAZyme — Carbohydrate-Active enZYME (CAZy-classified carbohydrate-binding or carbohydrate-modifying enzyme)
• CBM — Carbohydrate-Binding Module (noncatalytic CAZyme domain that binds carbohydrate substrates)
• CE — Carbohydrate Esterase in CAZy contexts; also CE marking in regulatory/product contexts
• CD — Cluster of Differentiation (cell-surface marker prefix; e.g., CD34, CD90)
• CDK — Cyclin-Dependent Kinase
• CDKN1A — Cyclin-Dependent Kinase Inhibitor 1A (gene encoding p21)
• CDKN2A — Cyclin-Dependent Kinase Inhibitor 2A (gene encoding p16
• cGAS — Cyclic GMP-AMP Synthase → cgas-sting
• CGM — Continuous Glucose Monitor (e.g., Dexcom Stelo, Abbott Libre; consumer/clinical interstitial-glucose device)
• ChEMBL — European Bioinformatics Institute chemical biology database
• ChIP-seq — Chromatin Immunoprecipitation Sequencing
• CHIP — Clonal Hematopoiesis of Indeterminate Potential
• CI — Confidence Interval
• CID — Compound Identifier (PubChem numeric identifier)
• CL — Cell Ontology
• CMA — Chaperone-Mediated Autophagy
• CML — Nε-Carboxymethyl-Lysine (non-crosslink AGE adduct)
• CEL — Nε-Carboxyethyl-Lysine (non-crosslink AGE adduct)
• CNS — Central Nervous System
• COL1A1 — Collagen alpha-1(I) chain gene/protein → col1a1
• COL3A1 — Collagen alpha-1(III) chain gene/protein → col3a1
• CPET — Cardiopulmonary Exercise Test (gold-standard VO₂max + lactate-threshold measurement) → heart-rate-zones
• CPD — Cyclobutane Pyrimidine Dimer (UV-induced DNA lesion)
• CR — Caloric Restriction → caloric-restriction
• Crossref — DOI-registry metadata API
• CRP — C-Reactive Protein
• CSME — Clinically Significant Macular Edema
• CV — Coefficient of Variation (statistical: SD/mean; CGM-trace variability metric — % CV <36 = stable glucose). Also Cardiovascular in clinical contexts — disambiguate from surrounding text.
• CVD — Cardiovascular Disease

D

• Da — Dalton (molecular mass unit)
• DAF-16 — Dauer formation-defective 16 (C. elegans FOXO ortholog)
• DAMP — Damage-Associated Molecular Pattern
• DB — Dumbbell (resistance-training equipment; distinct from BB = barbell)
• DDR — DNA Damage Response → dna-damage-response
• DCCT/EDIC — Diabetes Control and Complications Trial / Epidemiology of Diabetes Interventions and Complications (longitudinal type 1 diabetes cohort)
• DDAH — Dimethylarginine Dimethylaminohydrolase (guanidino-modifying hydrolase)
• DF — Dermal Fibroblast
• DEPTOR — DEP-domain-containing mTOR-Interacting Protein
• DHM — Dihydromyricetin (ampelopsin)
• DNA-PK — DNA-dependent Protein Kinase
• DNMT — DNA Methyltransferase (DNMT1, 3A, 3B)
• DODIC — 3-Deoxyglucosone-derived Imidazolium Crosslink (AGE crosslink; minor relative to glucosepane in human skin)
• DOGDIC — 3-Deoxyglucosone-derived Imidazolium Crosslink (AGE crosslink; structurally related to DODIC/MODIC/GODIC)
• DOI — Digital Object Identifier
• DOMS — Delayed-Onset Muscle Soreness (24–72h post-eccentric-loading; resolved across successive sessions via the repeated-bout effect / RBE)
• DRP1 — Dynamin-Related Protein 1 (mitochondrial fission)
• DSB — Double-Strand Break (DNA)

E

• EBY100 — Saccharomyces cerevisiae yeast-display strain used for Aga2p surface-display libraries
• ECM — Extracellular Matrix
• EC50 — Half-maximal Effective Concentration
• EC — Enzyme Commission number in enzyme-annotation contexts
• ESM — Evolutionary Scale Modeling (protein language-model family; ESM Atlas is a large predicted protein-structure resource)
• eIF — Eukaryotic Initiation Factor (translation; e.g., eIF2α, eIF4E)
• ELISA — Enzyme-Linked Immunosorbent Assay
• ENA — European Nucleotide Archive
• ER — Endoplasmic Reticulum
• ERCC — Excision Repair Cross-Complementation group (DNA-repair gene family)
• ERK — Extracellular signal-Regulated Kinase
• ETC — Electron Transport Chain → oxphos

F

• FACS — Fluorescence-Activated Cell Sorting
• FAD — Flavin Adenine Dinucleotide
• FAO — Fatty Acid Oxidation
• FAOD / FAOX — Fructosyl-Amino-Acid Oxidase / Fructosamine Oxidase (microbial amadoriase enzyme class)
• FDA — U.S. Food and Drug Administration
• FEV1 — Forced Expiratory Volume in 1 second
• FGF — Fibroblast Growth Factor (e.g., FGF21)
• FKBP12 — FK506-Binding Protein 12 kDa (rapamycin co-receptor)
• FMD — Fasting-Mimicking Diet
• FMT — Fecal Microbiota Transplantation
• FN3K — Fructosamine-3-Kinase (mammalian Amadori-product deglycation enzyme)
• FOXO — Forkhead Box O (transcription factor family) → foxo3
• FPOX — Fructosyl Peptide Oxidase (FAOD/FAOX family enzyme, often HbA1c-diagnostic context)
• FRET — Förster Resonance Energy Transfer (donor/acceptor reporter strategy)
• FWCI — Field-Weighted Citation Impact (bibliometric impact metric)

G

• GAG — Glycosaminoglycan
• GATOR — GAP Activity TOward Rags (mTORC1 amino acid sensor)
• GCV — Ganciclovir (used to ablate p16-3MR senescent cells in mouse studies)
• GBM — Glomerular Basement Membrane (kidney; long-lived collagen IV matrix, key AGE-crosslink substrate)
• GDF11/15 — Growth Differentiation Factor 11/15
• GenAge — HAGR-curated database of aging-related genes
• GH — Growth Hormone. Also Glycoside Hydrolase in CAZyme / enzyme-family contexts.
• GLP — Glucosepane (AGE crosslink abbreviation; disambiguate from GLP-1)
• GLP-1 — Glucagon-Like Peptide 1
• GLO1 / GLO2 — Glyoxalase 1 / Glyoxalase 2 (glutathione-dependent methylglyoxal detoxification system)
• GLUT4 — Glucose Transporter type 4
• GODIC — Glyoxal-derived Imidazolium Crosslink (AGE crosslink; collagen-collagen lysine-arginine bridge; minor relative to glucosepane in human skin)
• GOLD — Glyoxal-derived Lysine Dimer (AGE crosslink)
• GPCR — G-Protein-Coupled Receptor
• GSH — Reduced Glutathione
• GSPN — Glucosepane (often plasma/free-glucosepane abbreviation in DCCT/EDIC literature)
• GT — Glycosyltransferase in CAZy contexts
• GTEx — Genotype-Tissue Expression (NIH consortium / database)
• GPU — Graphics Processing Unit (accelerator used for protein-structure prediction, MD, and design workloads)
• GWAS — Genome-Wide Association Study

H

• HA — Hyaluronic Acid (hyaluronan)
• HABP — Hyaluronic Acid-Binding Protein
• HAGR — Human Ageing Genomic Resources (umbrella; hosts GenAge, LongevityMap, AnAge)
• HbA1c — Hemoglobin A1c (glycated hemoglobin; 3-mo glucose proxy)
• HDAC — Histone Deacetylase
• HDL — High-Density Lipoprotein
• HDR — Homology-Directed Repair (DSB repair)
• HGNC — HUGO Gene Nomenclature Committee
• HIF — Hypoxia-Inducible Factor (HIF-1α, HIF-2α)
• HIIT — High-Intensity Interval Training
• HIFU — High-Intensity Focused Ultrasound
• HF — Heart Failure
• HFpEF — Heart Failure with preserved Ejection Fraction
• HFrEF — Heart Failure with reduced Ejection Fraction
• HILIC — Hydrophilic Interaction Liquid Chromatography
• HMDB — Human Metabolome Database
• HMW-HA / LMW-HA — High- / Low-Molecular-Weight Hyaluronic Acid (opposite-direction inflammatory signaling context)
• HR — Hazard Ratio (epidemiology); also Homologous Recombination → homologous-recombination
• HRmax — Maximum Heart Rate (Tanaka formula: 208 − 0.7 × age; CPET-measured is more accurate) → heart-rate-zones
• HRV — Heart Rate Variability (autonomic-tone proxy; Oura measures via PPG nightly)
• hsCRP — high-sensitivity C-Reactive Protein
• HSC — Hematopoietic Stem Cell
• HSCT — Hematopoietic Stem Cell Transplantation
• HSF1 — Heat Shock Factor 1
• HSP — Heat Shock Protein (HSP70, HSP90)
• HSR — Heat Shock Response

I

• ICC — Intraclass Correlation Coefficient (test-retest reliability)
• ICD-10/11 — International Classification of Diseases, 10th / 11th revision
• IF — Intermittent Fasting
• IFG — Impaired Fasting Glucose (fasting plasma glucose 100–125 mg/dL; pre-diabetic range)
• IGF-1 — Insulin-like Growth Factor 1
• IIS — Insulin / IGF-1 Signaling
• IHC — Immunohistochemistry
• IL — Interleukin (IL-1β, IL-6, IL-10, etc.)
• IMM/OMM — Inner / Outer Mitochondrial Membrane
• IND — Investigational New Drug application
• INN — International Nonproprietary Name (WHO drug naming)
• IP — Intellectual Property in patent / commercialization contexts; also intraperitoneal in dosing-route contexts, disambiguate from surrounding text
• iPSC — induced Pluripotent Stem Cell
• IPL — Intense Pulsed Light (dermatology)
• IRB — Institutional Review Board
• IRF — Interferon Regulatory Factor
• ISR — Integrated Stress Response
• ITP — NIA Interventions Testing Program (mouse lifespan testing)

J

• JAK — Janus Kinase (JAK1, JAK2, JAK3, TYK2)
• JNK — c-Jun N-terminal Kinase

K

• KEGG — Kyoto Encyclopedia of Genes and Genomes (pathway database)
• KLH — Keyhole Limpet Hemocyanin (immunization carrier protein for small-hapten conjugates)
• KO — Knockout (gene)
• Ku — Ku70/Ku80 heterodimer (NHEJ DNA-repair complex)

L

• LAMP2A — Lysosomal-Associated Membrane Protein 2A (CMA receptor)
• LC3 — Microtubule-associated protein Light Chain 3 (autophagy marker; MAP1LC3)
• LDL — Low-Density Lipoprotein (lipoprotein particle; sdLDL = small-dense subclass, more atherogenic)
• LDL-C — Low-Density Lipoprotein Cholesterol (cholesterol content of LDL particles)
• LDLR — Low-Density Lipoprotein Receptor (hepatic clearance receptor for ApoB-containing particles; PCSK9 degrades LDLR)
• LoF — Loss of Function (genetic variant class; contrasts with gain-of-function / GoF)
• LOX — Lysyl Oxidase (collagen/elastin enzymatic crosslinking enzyme)
• Lp(a) — Lipoprotein(a)
• LPS — Lipopolysaccharide (TLR4 ligand)
• LV / LVEF / LVEDV — Left Ventricle / Left-Ventricular Ejection Fraction / Left-Ventricular End-Diastolic Volume
• LSK — Lin⁻ Sca-1⁺ c-Kit⁺ (mouse HSC gating)
• LTL — Leukocyte Telomere Length

M

• mAb — Monoclonal Antibody
• MAPK — Mitogen-Activated Protein Kinase
• MAVS — Mitochondrial Antiviral Signaling protein
• MD — Molecular Dynamics (atomistic simulation of molecular motion)
• MEK — MAPK/ERK Kinase (MAP2K1/MAP2K2; activates ERK1/2; trametinib target)
• MG — Methylglyoxal
• MG-H1 — Methylglyoxal-derived Hydroimidazolone 1 (arginine-derived AGE adduct)
• MGI — Mouse Genome Informatics (Jackson Lab)
• MFN1/2 — Mitofusin 1/2 (mitochondrial fusion)
• MLSP — Maximum Lifespan (comparative-aging studies)
• MMP — Matrix Metalloproteinase
• MOC — Map of Content (wiki navigational page)
• MODIC — Methylglyoxal-derived Imidazolium Crosslink (AGE crosslink; collagen-collagen lysine-arginine bridge; minor relative to glucosepane in human skin)
• MOLD — Methylglyoxal-derived Lysine Dimer (AGE crosslink)
• MOMP — Mitochondrial Outer Membrane Permeabilization (apoptosis)
• MR — Mendelian Randomization (causal inference); also Methionine Restriction in dietary context
• MRM — Multiple Reaction Monitoring (targeted MS/MS acquisition mode)
• MRN — MRE11–RAD50–NBN complex (DSB sensor) → mrn-complex
• MS — Mass Spectrometry (analytical technique that ionizes molecules and separates them by mass-to-charge ratio; backbone of proteomics, metabolomics, lipidomics). Also occasionally Multiple Sclerosis in clinical context — disambiguate from surrounding text.
  • MS/MS — Tandem Mass Spectrometry (two stages of mass selection; fragment-ion sequencing)
  • LC-MS — Liquid Chromatography–MS (separation + detection; standard for proteomics/metabolomics)
  • LC-MS/MS — Liquid Chromatography–Tandem MS (peptide ID + quant standard)
  • GC-MS — Gas Chromatography–MS (volatile small molecules)
  • HPLC-MS — High-Performance Liquid Chromatography–MS
  • HRMS — High-Resolution Mass Spectrometry
  • AP-MS / IP-MS — Affinity Purification / Immunoprecipitation–MS (interactome mapping)
  • HDX-MS — Hydrogen–Deuterium Exchange MS (protein conformational dynamics)
  • MALDI — Matrix-Assisted Laser Desorption/Ionization (an MS ionization method, often paired as MALDI-TOF)
• MSC — Mesenchymal Stem/Stromal Cell
• MPS — Muscle Protein Synthesis (post-resistance-training adaptation driver; elevated 24–48h post-session; leucine threshold ~2.5–3 g per bolus)
• MSigDB — Molecular Signatures Database
• mtDNA — Mitochondrial DNA
• MTA — Material Transfer Agreement
• mTOR — Mechanistic Target Of Rapamycin → mtor
• mTORC1/2 — mTOR Complex 1 / 2
• MUFA — Monounsaturated Fatty Acid
• MW — Molecular Weight

N

• NAD⁺ — Nicotinamide Adenine Dinucleotide (oxidized form)
• NADH — NAD⁺ (reduced form)
• NAFLD — Non-Alcoholic Fatty Liver Disease
• NAMPT — Nicotinamide Phosphoribosyltransferase (NAD⁺ salvage rate-limiter)
• NBE — Neutral Blood Exchange
• NCBI — National Center for Biotechnology Information
• NEAT — Non-Exercise Activity Thermogenesis (walking, fidgeting, daily-life kcal expenditure outside structured exercise; major driver of total daily energy expenditure variance)
• NER — Nucleotide Excision Repair
• NF-κB — Nuclear Factor kappa-B
• NHEJ — Non-Homologous End Joining (DSB repair)
• NIA — National Institute on Aging (NIH)
• NIH — National Institutes of Health
• NK — Natural Killer (cell); cytotoxic innate lymphocyte; primary immune effector clearing senescent cells via activating-receptor engagement
• NKG2D — Natural-Killer Group 2 member D (KLRK1); activating receptor on NK/CD8⁺ T cells; binds stress-induced ligands (MICA/MICB, ULBPs) upregulated on senescent and transformed cells → senescence-immune-surveillance
• NLRP3 — NLR-family Pyrin domain containing 3 (inflammasome)
• NMN — Nicotinamide Mononucleotide (NAD⁺ precursor) → nmn
• NNK — Degenerate codon encoding all 20 amino acids with reduced stop-codon burden (directed-evolution saturation mutagenesis)
• NS — Not Significant (statistical result)
• NP — Nanoparticle (drug-delivery vehicle; e.g., dual-PRR-agonist NPs in immuno-oncology)
• NR — Nicotinamide Riboside (NAD⁺ precursor) → nr
• NRF1/2 — Nuclear Respiratory Factor 1/2 (mitobiogenesis); also NRF2 = NFE2L2 (antioxidant TF)

O

• OA — Open Access (publishing)
• OHP — Overhead Press (resistance training; vertical-push compound movement)
• OIS — Oncogene-Induced Senescence
• OPA1 — Optic Atrophy 1 (mitochondrial inner-membrane fusion / cristae)
• OPTN — Optineurin (autophagy receptor)
• OR — Odds Ratio (epidemiology)
• ORF — Open Reading Frame
• OTC — Over The Counter (non-prescription drug/supplement context)
• OXPHOS — Oxidative Phosphorylation → oxphos

P

• p16 — CDKN2A-encoded CDK inhibitor (senescence marker)
• p21 — CDKN1A-encoded CDK inhibitor (cell-cycle arrest)
• p53 — Tumor protein 53 (TP53)
• PAMP — Pathogen-Associated Molecular Pattern
• PAD — Peptidylarginine Deiminase (arginine/citrulline-modifying enzyme family)
• PARP — Poly(ADP-Ribose) Polymerase (PARP1)
• PBS — Phosphate-Buffered Saline
• PCSK9 — Proprotein Convertase Subtilisin/Kexin type 9
• PCR — Polymerase Chain Reaction
• PDB — Protein Data Bank (3D biomolecular-structure archive)
• PDAC — Pancreatic Ductal Adenocarcinoma (most common pancreatic cancer; immune-cold tumor microenvironment)
• PDR — Proliferative Diabetic Retinopathy
• PDH — Pyruvate Dehydrogenase
• PDGF-AA — Platelet-Derived Growth Factor AA
• PGC-1α — PPARγ Coactivator 1α (mitobiogenesis master regulator)
• PI3K — Phosphoinositide 3-Kinase
• PINK1 — PTEN-Induced Kinase 1 (mitophagy)
• PK / PD — Pharmacokinetics / Pharmacodynamics
• PL — Polysaccharide Lyase in CAZy contexts
• PLOD — Procollagen-Lysine,2-Oxoglutarate 5-Dioxygenase (lysyl hydroxylase family)
• PMC — PubMed Central
• PMID — PubMed Identifier
• PMT — N-phenacyl-4,5-dimethylthiazolium (alagebrium/ALT-711 pharmacophore)
• P4HA — Prolyl 4-Hydroxylase subunit alpha family
• PPARγ — Peroxisome Proliferator-Activated Receptor gamma
• PPL — Push/Pull/Legs (resistance-training split convention; alternative to upper/lower split)
• PPO — Polyphenol Oxidase (plant enzyme in banana/apple/pear that oxidatively degrades flavan-3-ols; relevant to smoothie polyphenol bioavailability — Ottaviani 2023)
• PROTAC — Proteolysis-Targeting Chimera
• PRR — Pattern Recognition Receptor
• PTB — N-Phenacylthiazolium Bromide (prototype thiazolium AGE-breaker)
• PTM — Post-Translational Modification
• PTEN — Phosphatase and Tensin homolog
• PUFA — Polyunsaturated Fatty Acid
• PWV — Pulse Wave Velocity (arterial stiffness measure)
• PUMA — p53 Upregulated Modulator of Apoptosis (BBC3)

Q

• qPCR — quantitative Polymerase Chain Reaction
• QC — Quality Control
• QM / QM/MM — Quantum Mechanics / Quantum Mechanics–Molecular Mechanics (electronic-structure calculation alone or embedded in a classical molecular environment)
• QTRAP — Hybrid triple-quadrupole / linear-ion-trap mass spectrometer platform

R

• RAR — Retinoic Acid Receptor
• RAGE — Receptor for Advanced Glycation End-products
• RaptOR — Regulatory-Associated Protein of mTOR (mTORC1 component)
• RBE — Repeated-Bout Effect (DOMS attenuation across successive eccentric-loading sessions; underlies the “first 2-3 sessions are the hardest” phenomenon)
• RCT — Randomized Controlled Trial
• RDL — Romanian Deadlift (hip-hinge resistance-training variant; eccentric-emphasis posterior-chain movement; lower spinal-load than conventional deadlift)
• REDD1 — Regulated in Development and DNA damage response 1
• RHEB — Ras Homolog Enriched in Brain (mTORC1 activator GTPase)
• RHR — Resting Heart Rate (cardiovascular fitness proxy; Oura measures nightly)
• RICTOR — Rapamycin-Insensitive Companion of mTOR (mTORC2 component)
• RIR — Reps In Reserve (training-intensity prescription; “RIR 2” = stop 2 reps short of failure; preserves recovery while maintaining strength/hypertrophy stimulus — Schoenfeld 2017)
• RNA-seq — RNA Sequencing
• ROCK — Rho-associated coiled-coil-containing protein kinase (mechanosignaling / cytoskeletal tension)
• ROM — Range Of Motion
• ROS — Reactive Oxygen Species
• RPE — Rate of Perceived Exertion (1–10 subjective effort scale; used alongside HR-zone prescription) → heart-rate-zones. Also Retinal Pigment Epithelium in ophthalmology contexts.
• RT-PCR — Reverse-Transcription Polymerase Chain Reaction
• RR — Risk Ratio / Relative Risk
• rRNA — Ribosomal RNA

S

• SAF — Skin Autofluorescence (non-invasive fluorescent-AGE surrogate; not glucosepane-specific)
• SAHF — Senescence-Associated Heterochromatin Foci
• SASP — Senescence-Associated Secretory Phenotype → sasp
• SA-β-gal — Senescence-Associated β-galactosidase
• SBP / DBP — Systolic / Diastolic Blood Pressure
• SCF — Stem Cell Factor (KITLG ligand; also stem-cell factor in skin pigmentation context)
• scRNA-seq — single-cell RNA Sequencing
• SCFA — Short-Chain Fatty Acid
• SELEX — Systematic Evolution of Ligands by EXponential enrichment (aptamer-selection method)
• SENS — Strategies for Engineered Negligible Senescence → sens-damage-categories
• SFA — Saturated Fatty Acid
• SIPS — Stress-Induced Premature Senescence
• SIRT1–7 — Sirtuin family (NAD⁺-dependent deacetylases) → sirt1, sirt3
• SMAC — Second Mitochondria-derived Activator of Caspases (DIABLO)
• SMAD — Sma- and Mad-related protein (TGF-β signal transducer)
• SNP — Single Nucleotide Polymorphism
• SOD — Superoxide Dismutase (SOD1, SOD2/MnSOD, SOD3)
• SPE — Solid-Phase Extraction (sample-cleanup method, including LC-MS workflows)
• SPF — Sun Protection Factor (UVB-weighted sunscreen protection rating)
• SRM — Selected Reaction Monitoring (targeted MS/MS acquisition mode; closely related to MRM)
• STAT — Signal Transducer and Activator of Transcription
• STAC — Sirtuin-Activating Compound
• STING — Stimulator of Interferon Genes → cgas-sting
• STZ — Streptozotocin (diabetogenic compound used in rodent models)
• STRING — Search Tool for the Retrieval of Interacting Genes/Proteins

T

• T1D — Type 1 Diabetes
• T2D — Type 2 Diabetes
• TAK1 — TGF-β-Activated Kinase 1 (MAP3K7)
• TAME — Targeting Aging with Metformin (clinical trial)
• TAZ — Transcriptional coactivator with PDZ-binding motif (WWTR1; Hippo pathway effector, commonly paired as YAP/TAZ)
• TBK1 — TANK-Binding Kinase 1
• TERC — Telomerase RNA Component
• TERT — Telomerase Reverse Transcriptase
• TET — Ten-Eleven Translocation methylcytosine dioxygenase
• TFAM — Mitochondrial Transcription Factor A
• TFEB — Transcription Factor EB (autophagy/lysosome master regulator)
• TG — Triglyceride(s) (plasma lipid; elevated in atherogenic dyslipidemia)
• TGF-β — Transforming Growth Factor beta
• TIR — Time In Range (CGM metric: % of readings within 70–140 mg/dL for non-diabetic context; primary glycemic-quality indicator)
• TIMP — Tissue Inhibitor of Metalloproteinases
• TLR — Toll-Like Receptor
• TMAO — Trimethylamine N-Oxide
• TNF — Tumor Necrosis Factor (TNF-α)
• TP53 — Tumor Protein p53 gene
• TPE — Therapeutic Plasma Exchange → plasma-exchange
• TRE — Time-Restricted Eating (synonym: TRF, time-restricted feeding)
• TRC4186 — Pyridinium AGE-breaker candidate from Torrent Pharmaceuticals
• TRF1/2 — Telomeric Repeat-binding Factor 1/2 (shelterin)
• TSC1/2 — Tuberous Sclerosis Complex 1/2 (mTORC1 GAP)
• TYK2 — Tyrosine Kinase 2 (JAK family)

U

• UCP — Uncoupling Protein (UCP1, UCP2)
• ULK1 — Unc-51-Like Autophagy Activating Kinase 1
• UniProt — Universal Protein resource (Swiss-Prot/TrEMBL)
• UPR — Unfolded Protein Response (UPR^ER, UPR
• UPS — Ubiquitin-Proteasome System
• USPTO — United States Patent and Trademark Office
• UTR — Untranslated Region (mRNA)
• UV — Ultraviolet (UVA = ultraviolet A; UVB = ultraviolet B)

V

• VAF — Variant Allele Frequency (CHIP context)
• VAS — Visual Analog Scale (0–10 self-rated symptom severity; clinical-trial standard for pain / fatigue / leg-heaviness)
• VDAC — Voltage-Dependent Anion Channel (outer mitochondrial membrane)
• VEGF — Vascular Endothelial Growth Factor
• VLDL — Very Low-Density Lipoprotein (hepatic TG-rich particle; VLDL remnants carry ApoB and contribute to atherogenic load)
• VO2max — Maximal Oxygen Uptake

W

• WHO — World Health Organization
• WIPO — World Intellectual Property Organization
• WPI — Whey Protein Isolate (fast-digesting, leucine-rich dairy-protein supplement; common post-resistance-training protein source) → protein-intake
• WT — Wild-Type

X

• XBP1 — X-box Binding Protein 1 (UPR effector)
• XIAP — X-linked Inhibitor of Apoptosis Protein
• XP — Xeroderma Pigmentosum (NER deficiency syndrome)
• XRCC — X-Ray Repair Cross-Complementing (DNA-repair gene family)

Y

• YAP — Yes-Associated Protein (Hippo pathway effector)

Z

• Z1–Z5 — Heart-rate training zones (Z1 = active recovery 50–60% HRmax · Z2 = aerobic base 60–70% · Z3 = tempo/sub-threshold 70–80% · Z4 = lactate threshold/VO₂max 80–90% · Z5 = anaerobic/neuromuscular 90–100%) → heart-rate-zones
• ZMPSTE24 — Zinc Metallopeptidase STE24 (progerin processing)