# Exploring the Pain-Relieving Potential: Unveiling Antinociceptive Properties in Animal Venoms and Toxins

**Authors:** Davi Gomes Angstmam, Bruna Cristina Jeronimo, Joeliton dos Santos Cavalcante, Ana Flávia Marques Pereira, Cristiane Flora Villarreal, Daniel Carvalho Pimenta, Rui Seabra Ferreira Junior

PMC · DOI: 10.3390/toxins18020069 · Toxins · 2026-01-27

## TL;DR

This study explores pain-relieving molecules from animal venoms and toxins, identifying potential new biopharmaceuticals with fewer side effects.

## Contribution

The study systematically identifies and classifies analgesic toxins from animal venoms with potential pharmacological targets.

## Key findings

- 152 toxins and venoms with analgesic potential were identified from 212 reviewed articles.
- Most of the identified toxins interact with ion channels, offering an alternative to current pain medications.
- Peptides with masses between 500 Da and 5000 Da are highlighted as strong candidates for new biopharmaceuticals.

## Abstract

Currently, commercially available pain medications can cause adverse effects. Within this framework, researchers have been exploring new drug candidates derived from animal venoms and toxins. The objective of this study was to investigate the number of molecules with potential for pain relief derived from animal venoms and toxins, which could potentially contribute to the development of new biopharmaceuticals. We conducted a literature search in January 2025, covering the period from 1960 to 2025, in two Latin American and nine international scientific databases. The results consisted of 212 articles selected for review. From these articles, 152 toxins and venoms with analgesic potential were identified and classified into 14 different types of pharmacological targets. The peptides investigated, with masses between 500 Da and 5000 Da, are strong candidates for alternative biopharmaceuticals. Most of the toxins found interact with ion channels, representing an alternative to commercially available drugs.

## Full-text entities

- **Genes:** ASIC4 (acid sensing ion channel subunit family member 4) [NCBI Gene 55515] {aka ACCN4, BNAC4}, KNG1 (kininogen 1) [NCBI Gene 3827] {aka BDK, BK, HAE6, HK, HMWK, KNG}, Tnf (tumor necrosis factor) [NCBI Gene 21926] {aka DIF, TNF-a, TNF-alpha, TNFSF2, TNFalpha, Tnfa}, CCKBR (cholecystokinin B receptor) [NCBI Gene 887] {aka CCK-2R, CCK-B, CCK2R, GASR}, GLUD1 (glutamate dehydrogenase 1) [NCBI Gene 2746] {aka GDH, GDH1, GLUD, hGDH1}, TRPC1 (transient receptor potential cation channel subfamily C member 1) [NCBI Gene 7220] {aka HTRP-1, TRP1}, GABARAP (GABA type A receptor-associated protein) [NCBI Gene 11337] {aka ATG8A, GABARAP-a, MM46}, Cnr1 (cannabinoid receptor 1) [NCBI Gene 12801] {aka CB-R, CB1, CB1A, CB1B, CB1R}, TRPA1 (transient receptor potential cation channel subfamily A member 1) [NCBI Gene 8989] {aka ANKTM1, FEPS, FEPS1, p120}, CCK (cholecystokinin) [NCBI Gene 885], TPSG1 (tryptase gamma 1) [NCBI Gene 25823] {aka PRSS31, TMT, trpA}, Cnr2 (cannabinoid receptor 2) [NCBI Gene 12802] {aka CB-2, CB2, CB2-R}, CFD (complement factor D) [NCBI Gene 1675] {aka ADIPSIN, ADN, DF, PFD}, ASIC1 (acid sensing ion channel subunit 1) [NCBI Gene 41] {aka ACCN2, ASIC, BNaC2}, Pla2g1b (phospholipase A2, group IB, pancreas) [NCBI Gene 18778] {aka Pla2a, sPLA2IB}, CD1A (CD1a molecule) [NCBI Gene 909] {aka CD1, FCB6, HTA1, R4, T6}, ASIC2 (acid sensing ion channel subunit 2) [NCBI Gene 40] {aka ACCN, ACCN1, ASIC2a, BNC1, BNaC1, MDEG}, SCN10A (sodium voltage-gated channel alpha subunit 10) [NCBI Gene 6336] {aka FEPS2, Nav1.8, PN3, SNS}, CAV3 (caveolin 3) [NCBI Gene 859] {aka LGMD1C, LQT9, MPDT, RMD2, VIP-21, VIP21}, Lhx2 (LIM homeobox protein 2) [NCBI Gene 16870] {aka LH2A, Lh-2, Lim2, ap, apterous}, CCKAR (cholecystokinin A receptor) [NCBI Gene 886] {aka CCK-1R, CCK-A, CCK1-R, CCK1R, CCKRA}, Il1b (interleukin 1 beta) [NCBI Gene 16176] {aka IL-1beta, Il-1b}, TNF (tumor necrosis factor) [NCBI Gene 7124] {aka DIF, IMD127, TNF-alpha, TNFA, TNFSF2, TNLG1F}, HTR3A (5-hydroxytryptamine receptor 3A) [NCBI Gene 3359] {aka 5-HT-3, 5-HT3A, 5-HT3R, 5HT3R, HTR3}, TRPV1 (transient receptor potential cation channel subfamily V member 1) [NCBI Gene 7442] {aka VR1}, SCN9A (sodium voltage-gated channel alpha subunit 9) [NCBI Gene 6335] {aka ETHA, FEB3B, GEFSP7, HSAN2D, NE-NA, NENA}, HTR1A (5-hydroxytryptamine receptor 1A) [NCBI Gene 3350] {aka 5-HT-1A, 5-HT1A, 5HT1a, ADRB2RL1, ADRBRL1, G-21}, GAST (gastrin) [NCBI Gene 2520] {aka GAS}, CACNA1H (calcium voltage-gated channel subunit alpha1 H) [NCBI Gene 8912] {aka CACNA1HB, Cav3.2, ECA6, EIG6, HALD4}, AKR1B1 (aldo-keto reductase family 1 member B) [NCBI Gene 231] {aka ADR, ALDR1, ALR2, AR}, BDKRB2 (bradykinin receptor B2) [NCBI Gene 624] {aka B2R, BK-2, BK2, BKR2, BRB2}, TRPC6 (transient receptor potential cation channel subfamily C member 6) [NCBI Gene 7225] {aka FSGS2, TRP6}, Ap3b1 (adaptor-related protein complex 3, beta 1 subunit) [NCBI Gene 11774] {aka AP-3, Hps2, beta3A, pe, pearl, rim2}, OPN1MW (opsin 1, medium wave sensitive) [NCBI Gene 2652] {aka CBBM, CBD, COD5, GCP, GOP, OPN1MW1}, CACNA1B (calcium voltage-gated channel subunit alpha1 B) [NCBI Gene 774] {aka BIII, CACNL1A5, CACNN, Cav2.2, DYT23, NEDNEH}, ASIC3 (acid sensing ion channel subunit 3) [NCBI Gene 9311] {aka ACCN3, DRASIC, SLNAC1, TNaC1}, CACNA1I (calcium voltage-gated channel subunit alpha1 I) [NCBI Gene 8911] {aka Cav3.3, NEDSIS, ca(v)3.3}, CAV2 (caveolin 2) [NCBI Gene 858] {aka CAV}, HTR7 (5-hydroxytryptamine receptor 7) [NCBI Gene 3363] {aka 5-HT7}
- **Diseases:** withdrawal syndrome (MESH:D013375), arthritis (MESH:D001168), nerve damage (MESH:D000080902), hypertension (MESH:D006973), fibromyalgia (MESH:D005356), infections (MESH:D007239), diabetic neuropathy (MESH:D003929), digestive disorders (MESH:D004066), toxicity (MESH:D064420), urogenital tract obstructions (MESH:D014564), Chronic pain (MESH:D059350), neuropathic (MESH:D009437), sciatic nerve (MESH:D020426), constipation (MESH:D003248), allergic (MESH:D004342), muscle pain (MESH:D063806), peripheral neuropathy (MESH:D010523), cancer pain (MESH:D000072716), allodynia (MESH:D006930), migraine (MESH:D008881), mechanical (MESH:D041781), motor (MESH:D000068079), tissue injury (MESH:D017695), dorsal root ganglion (DRG) injury (MESH:D045888), hematoma (MESH:D006406), melanoma (MESH:D008545), inflammation (MESH:D007249), constriction injury (MESH:D014947), incisional injury (MESH:D000069290), fracture (MESH:D050723), Pain (MESH:D010146), cancer (MESH:D009369), postoperative pain (MESH:D010149), weakness (MESH:D018908), dependence (MESH:D019966), anxiety (MESH:D001007), edema (MESH:D004487), CFA (MESH:D001169), neurological diseases (MESH:D020271), autoimmune diseases (MESH:D001327), knee pain (MESH:D046788), visceral pain (MESH:D059265), paralysis (MESH:D010243), acute (MESH:D000208), opioid (MESH:D009293), osteoarthritis (MESH:D010003), neurological deficits (MESH:D009461), ischemia (MESH:D007511), nutritional disorders (MESH:D009748), analgesia (MESH:D000699), Acute pain (MESH:D059787)
- **Chemicals:** lidocaine (MESH:D008012), heroin (MESH:D003932), Bunodosine (-), Caeruleins (MESH:D002108), Ba2+ (MESH:C080430), Na+ (MESH:D012964), K+ (MESH:D011188), dexmedetomidine (MESH:D020927), nicotine (MESH:D009538), pentazocine (MESH:D010423), Cl- (MESH:D002713), naloxone (MESH:D009270), capsaicin (MESH:D002211), ATP (MESH:D000255), ketoprofen (MESH:D007660), methysergide (MESH:D008784), meloxicam (MESH:D000077239), lipid (MESH:D008055), tramadol (MESH:D014147), morphine (MESH:D009020), Bufotenin (MESH:D002027), Calcium (MESH:D002118), magnesium (MESH:D008274), formalin (MESH:D005557), 5-HT (MESH:D012701), ibuprofen (MESH:D007052), Adenosine (MESH:D000241), mygalin (MESH:C518064), Epibatidine (MESH:C082748), clonidine (MESH:D003000), carrageenan (MESH:D002351), cinobufagin (MESH:C002471), prostaglandins (MESH:D011453), paclitaxel (MESH:D017239), deltorphins (MESH:C059567), aspirin (MESH:D001241), prostaglandin E2 (MESH:D015232), crotalphine (MESH:C533006), fentanyl (MESH:D005283), MIA (MESH:D019807), glutamate (MESH:D018698), acetic acid (MESH:D019342), SO-3 (MESH:C011118), alkaloid (MESH:D000470), TTX (MESH:D013779), bufalin (MESH:C022777), GABA (MESH:D005680), NO (MESH:D009569), DVB (MESH:C037162), oxaliplatin (MESH:D000077150)
- **Species:** Conus textile (cloth-of-gold cone, species) [taxon 6494], Heteropoda venatoria (giant crab spider, species) [taxon 152925], Tityus serrulatus (Brazilian scorpion, species) [taxon 6887], Urticina eques (species) [taxon 417072], Brachypelma albopilosum (species) [taxon 351119], Trichonephila clavata (joro-gumo, species) [taxon 2740835], Conus achatinus (species) [taxon 369967], Parachartergus fraternus (species) [taxon 91406], Heteractis crispa [taxon 175771], Phoneutria nigriventer (Brazilian armed spider, species) [taxon 6918], Agelenopsis aperta (species) [taxon 6908], Dendroaspis polylepis (species) [taxon 8624], Rattus norvegicus (brown rat, species) [taxon 10116], Stichodactyla gigantea (species) [taxon 230562], Homo sapiens (human, species) [taxon 9606], Dryophytes japonicus (Japanese treefrog, species) [taxon 109175], Rodentia (rodent, order) [taxon 9989], Phyllomedusa bicolor (two-colored leaf frog, species) [taxon 8393], Heterometrus laoticus (species) [taxon 217256], Vespidae (wasps, family) [taxon 7438], Dinoponera quadriceps (species) [taxon 609295], Bufo gargarizans (Asiatic toad, species) [taxon 30331], Micrurus lemniscatus (South American coral snake, species) [taxon 129464], Conus parvatus (species) [taxon 520983], Pelodryas caerulea (green tree frog, species) [taxon 30344], Ornithoctonus hainana [taxon 209901], Crotalus durissus terrificus (cascabel, subspecies) [taxon 8732], Gloydius ussuriensis (Ussuri mamushi, species) [taxon 35671], Actinopterygii (fishes, superclass) [taxon 7898], Acanthoscurria gomesiana (species) [taxon 115339], Olivierus martensii (Chinese scorpion, species) [taxon 34649], Hysterocrates gigas (species) [taxon 118972], Bungarus fasciatus (banded krait, species) [taxon 8613], Pseudomyrmex triplarinus (species) [taxon 600763], Apis mellifera (bee, species) [taxon 7460], Drosophila melanogaster (fruit fly, species) [taxon 7227], Conus magus (magus cone, species) [taxon 6492], Pelagia noctiluca (species) [taxon 400838], Antillogorgia elisabethae (species) [taxon 1352039], Canthigaster coronata (crowned puffer, species) [taxon 264150], Thrixopelma pruriens (green velvet, species) [taxon 213387], Cannabis (genus) [taxon 3482], Petrachloros mirabilis (species) [taxon 2918835], Conus geographus (geography cone, species) [taxon 6491], Epipedobates tricolor (species) [taxon 92736], Anemonastrum (genus) [taxon 22868], Polybia occidentalis (camoati, species) [taxon 91432], Bipolaris victoriae (species) [taxon 40125], Mus musculus (house mouse, species) [taxon 10090], Stichodactyla mertensii (Merten's anemone, species) [taxon 645706], Pseudocoprococcus catus (species) [taxon 116085], Haplopelma lividum [taxon 1184493], Hyla annectans (Assam treefrog, species) [taxon 317325], Cyriopagopus schmidti (Chinese bird spider, species) [taxon 29017], Trachycephalus typhonius (species) [taxon 1033724], Hemiscorpius lepturus (species) [taxon 520031], Hottentotta franzwerneri (species) [taxon 1038076], Conus moncuri (species) [taxon 2496636], Ophiophagus hannah (king cobra, species) [taxon 8665], Naja atra (Chinese cobra, species) [taxon 8656]
- **Mutations:** A1 adenosine, A2A
- **Cell lines:** HEK293 — Homo sapiens (Human), Transformed cell line (CVCL_0045)

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## References

352 references — full list in the complete paper: https://tomesphere.com/paper/PMC12945304/full.md

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Source: https://tomesphere.com/paper/PMC12945304