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Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.
Compilé à partir de 24 articles PubMed · modèle : gemma4:31b
Résumé
Himatanthus sucuuba is an Amazonian tree used in traditional medicine for its anti-inflammatory, wound-healing, and leishmanicidal properties [PMID:11724243, 34686006, 17459622].
Contexte
Himatanthus sucuuba, also known as "Bellaco caspi", is a medicinal plant from the Apocynaceae family found in the Amazon [PMID:34686006, 11724243].
Usages traditionnels
In Peruvian traditional medicine, the latex is used to treat wounds, inflammation, ulcers, and cutaneous leishmaniasis (Uta) [PMID:32801553, 17459622]. It is also used in the treatment of gastritis and haemorrhoids [PMID:1795523].
Composés actifs
The plant contains spirolactone iridoids such as plumericin and isoplumericin [PMID:11724243, 17459622], and pentacyclic triterpenes including lupeol acetate, lupeol cinnamate, lupeol beta-phenyl propionate, and alpha-amyrin cinnamate [PMID:11724243]. Other identified components include phenolic acids, beta-dihydro-plumbericinic acid, plumeridoid C, and fulvoplumierin [PMID:34686006, 21979978, 690844]. Bark also contains confluentic acid and 2'-O-methylperlatolic acid [PMID:8069971].
Mécanisme d'action
Plumericin acts as a potent inhibitor of the NF-κB pathway [PMID:24329519]. In intestinal models, it reduces the expression of inflammatory factors such as tumor necrosis factor-α (TNF-α), cyclooxygenase-2, and inducible nitric oxide synthase [PMID:31914614]. The latex has been shown to increase nitric oxide (NO) and TNF-α while decreasing Transforming Growth Factor-beta (TGF-beta) production in macrophages [PMID:20096374].
Preuves cliniques
Preuve DCutaneous Leishmaniasis
Latex exhibited potent leishmanicidal activity against Leishmania amazonensis in vitro and reduced parasite load in vivo via oral administration [PMID:20096374]; plumericin showed reduction of macrophage infection similar to Amphotericin B [PMID:17459622].
Preuve DInflammation
Hexane fractions of latex inhibited carrageenan-induced rat paw edema by 35.9% at 200 mg/kg [PMID:10821061]; plumericin reduced intestinal inflammation and oxidative stress in DNBS-induced colitis models [PMID:31914614, 33445622].
Preuve DWound Healing
Latex is used traditionally for wounds [PMID:32801553], though one comparative study did not detect significant wound-healing activity for H. sucuuba compared to other plants [PMID:9080340].
Sécurité et effets indésirables
High doses (500 mg/kg) in rats caused significant decreases in maternal weight gain, fetal weight, and placental efficiency [PMID:26339763]. A dose of 250 mg/kg in rats caused increased preimplantation loss rate and reduced placental efficiency [PMID:26339763].
Grossesse et allaitement
A stem bark decoction (40 mg/rat twice daily) suggested low reproductive toxicity and teratogenic potential in rats [PMID:1795523], however, higher doses of H. sucuuba (250-500 mg/kg) significantly impaired maternal reproductive outcomes and fetal weight in rats [PMID:26339763].
Synthèse des preuves
The evidence is primarily based on in vitro studies and animal models (Level D), demonstrating significant anti-inflammatory and leishmanicidal activity, though high-dose toxicity in pregnant rats has been observed.
Sources PubMed
1.PMID: 26339763 (2015) — Effect of Himatanthus sucuuba in Maternal Reproductive Outcome and Fetal Anomaly Frequency in Rats. · Birth defects research. Part B, Developmental and reproductive toxicology
2.PMID: 11724243 (2001) — A bioactive spirolactone iridoid and triterpenoids from Himatanthus sucuuba. · Chemical & pharmaceutical bulletin
3.PMID: 34686006 (2021) — Phytochemical Screening of Himatanthus sucuuba (Spruce) Woodson (Apocynaceae) Latex, In Vitro Cytotoxicity and Incision Wound Repair in Mice. · Plants (Basel, Switzerland)
4.PMID: 20096374 (2010) — Leishmanicidal activity of Himatanthus sucuuba latex against Leishmania amazonensis. · Parasitology international
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— Anti-inflammatory and analgesic activities of the latex containing triterpenes from Himatanthus sucuuba.
· Planta medica
6.PMID: 17459622 (2007) — Spirolactone iridoids might be responsible for the antileishmanial activity of a Peruvian traditional remedy made with Himatanthus sucuuba (Apocynaceae). · Journal of ethnopharmacology
7.PMID: 32801553 (2020) — Histopathological evaluation of latex of Bellaco-Caspi, Himatanthus sucuuba (Spruce) Woodson on wound healing effect in BALB/C mice. · Veterinary world
8.PMID: 31914614 (2020) — Plumericin prevents intestinal inflammation and oxidative stress in vitro and in vivo. · FASEB journal : official publication of the Federation of American Societies for Experimental Biology
9.PMID: 690844 (1978) — South American plants III: Isolation of fulvoplumierin from Himatanthus sucuuba (M. Arg.) Woodson (Apocynaceae). · Journal of pharmaceutical sciences
10.PMID: 8069971 (1994) — Confluentic acid and 2'-O-methylperlatolic acid, monoamine oxidase B inhibitors in a Brazilian plant, Himatanthus sucuuba. · Chemical & pharmaceutical bulletin
11.PMID: 21979978 (2011) — Plumeridoid C from the Amazonian traditional medicinal plant Himatanthus sucuuba. · Acta crystallographica. Section C, Crystal structure communications
12.PMID: 33445622 (2021) — Plumericin Protects against Experimental Inflammatory Bowel Disease by Restoring Intestinal Barrier Function and Reducing Apoptosis. · Biomedicines
13.PMID: 24329519 (2014) — Identification of plumericin as a potent new inhibitor of the NF-κB pathway with anti-inflammatory activity in vitro and in vivo. · British journal of pharmacology
14.PMID: 9080340 (1997) — Evaluation of the wound-healing activity of selected traditional medicinal plants from Perú. · Journal of ethnopharmacology
15.PMID: 1795523 (1991) — Screening for reproductive toxicity in rats for a decoction of Himathanthus sucuuba stem bark. · Journal of ethnopharmacology