curcumin and Dermatitis

This systematic review and meta-analysis aimed to evaluate the available literature describing the efficacy of natural and miscellaneous agents in preventing acute radiation dermatitis (RD) in cancer patients.. OVID MedLine, Embase, and Cochrane literature databases were searched from 1946 to January 2023 for randomized controlled trials studying the use of natural and miscellaneous agents to prevent RD. RevMan 5.4 was used for the meta-analysis to calculate the pooled effect sizes and 95% confidence intervals (CI) using the random effects analysis.. For the systematic review and meta-analysis, 19 and 16 studies were included, respectively. Of the five studied natural products (aloe vera, oral enzymes, olive oil, calendula, and curcumin), only oral enzymes and olive oil significantly reduced the incidence of Radiation Therapy Oncology Group grade 2. This review and meta-analysis on natural and miscellaneous agents in preventing RD in cancer patients demonstrated that oral enzymes and olive oil prevented RD severity. However, evidence supporting natural agents to prevent RD is inconsistent, mainly because of low studies numbers, low-quality study designs, and small sample sizes. Therefore, concrete conclusions cannot be made. Research on (new) natural or miscellaneous agents should focus on a randomized controlled double-blinded study design with a large patient population, a higher consistency in research methods, and clinician- and patient-reported outcomes.

Topics: Curcumin; Databases, Factual; Dermatitis; Humans; Olive Oil; Patient Reported Outcome Measures

Psoriasis is a chronic inflammatory autoimmune disease that can be initiated by excessive activation of endosomal toll-like receptors (TLRs), particularly TLR7, TLR8, and TLR9. Therefore, inhibitors of endosomal TLR activation are being investigated for their ability to treat this disease. The currently approved biological drugs adalimumab, etanercept, infliximab, ustekinumab, ixekizumab, and secukizumab are antibodies against effector cytokines that participate in the initiation and development of psoriasis. Several immune modulatory oligonucleotides and small molecular weight compounds, including IMO-3100, IMO-8400, and CPG-52364, that block the interaction between endosomal TLRs and their ligands are under clinical investigation for their effectiveness in the treatment of psoriasis. In addition, several chemical compounds, including AS-2444697, PF-05387252, PF-05388169, PF-06650833, ML120B, and PHA-408, can inhibit TLR signaling. Although these compounds have demonstrated anti-inflammatory activity in animal models, their therapeutic potential for the treatment of psoriasis has not yet been tested. Recent studies demonstrated that natural compounds derived from plants, fungi, and bacteria, including mustard seed,

Topics: Aminoquinolines; Animals; Anti-Inflammatory Agents, Non-Steroidal; Curcumin; Cytokines; Dermatitis; Endosomes; Humans; Imiquimod; Indazoles; Isonicotinic Acids; Mice; Psoriasis; Resveratrol; Signal Transduction; Skin; Stilbenes; Toll-Like Receptor 7; Toll-Like Receptor 8; Toll-Like Receptor 9; Toll-Like Receptors

Oral mucositis is the most common toxicity of chemoradiotherapy treatment of head and neck cancers. The present study was performed to evaluate the effect of a researched turmeric formulation on oral mucositis in patients receiving chemoradiotherapy for oral cancer.. This randomized double-blinded placebo-controlled trial included 60 patients with oral cancer who had undergone radical surgery. Patients were equally randomized into 3 arms. Bio-enhanced turmeric formulation (BTF) capsules (low dose [1 g/day] or high dose [1.5 g/day]) or placebo was administered daily for 6 weeks with concurrent chemoradiotherapy. Study endpoints included the impact of the treatment on chemoradiotherapy-induced oral mucositis along with dysphagia, oral pain, dermatitis, and weight loss.. The incidence of grade 3 toxicity of oral mucositis, oral pain, dysphagia, and dermatitis was significantly lower in patients who received BTF than placebo. Twenty-five and 20% patients in BTF 1 g/day (p = 0.011) and 1.5 g/day (p = 0.004) arms, respectively, developed grade 3 oral mucositis compared to 65% patients in the placebo arm. Thirty-five and 30% patients in BTF 1 g/day (p = 0.027) and 1.5 g/day (p = 0.011) arms, respectively, developed grade 3 oral pain compared to 70% patients in the placebo arm. Twenty-five and 20% patients in BTF 1 g/day (p = 0.025) and 1.5 g/day (p = 0.010) arms, respectively, developed grade 3 dysphagia compared to 60% patients in the placebo arm. Ten and 5% patients in BTF 1 g/day (p = 0.114) and 1.5 g/day (p = 0.037) arms. respectively, developed grade 3 dermatitis compared to 30% patients in the placebo arm. Patients under BTF supplementation experienced significantly less weight loss and greater compliance with treatment than placebo.. BTF (BCM-95®) can significantly reduce chemoradiotherapy-induced severe oral mucositis, dysphagia, oral pain, and dermatitis in oral cancer patients.. Clinical Trials Registry, India (Registration No. CTRI) (CTRI/2015/12/006413 dated December 4, 2015).

Topics: Chemoradiotherapy; Curcuma; Deglutition Disorders; Dermatitis; Double-Blind Method; Head and Neck Neoplasms; Humans; Mouth Neoplasms; Pain; Stomatitis; Weight Loss

As a polyphenolic compound originated from the food spice turmeric, curcumin (CUR) has various pharmacological effects, such as anti-inflammatory, antioxidation, antiproliferative, and antiangiogenic activities. Psoriasis is centered on the overproduction of Th1- and Th2-related cytokines (e.g., interleukin [IL]-23, IL-17, TNF-α, IL-22), which is involved in the occurrence and development of its pathogenesis. However, whether CUR is involved in the treatment of psoriasis and its specific mechanisms are not fully understood.. In this study, we detected the therapeutic effect of CUR (100 mg/kg/day) on IMQ-induced dermatitis in mice, analyzed by PASI scores, ELISA, HE staining, immunofluorescence. Moreover, we further confirmed the alteration in the relative abundance of the gut microbiota through 16sRNA to explore whether CUR could regulate the gut microbiota of IMQ-induced mice.. Through intragastric administration, CUR can alleviate psoriasis-like lesions of mice by decreasing PASI scores, reducing the level of IL-6, IL-17A, IL-22, IL-23, TNF-α, and TGF-β1, promoting the expression of IL-10. Moreover, 16sRNA sequencing revealed that CUR could regulate the alteration in the abundance alteration of gut microbiota related to inflammation, such as Alistipes, Mucispirillum, and Rikenella at genus level. The correlation analysis further confirmed the close association between important microflora and psoriasis-like inflammation indicators.. CUR exerts the effect of alleviating dermatitis of psoriatic mice by regulating Th-17 related inflammatory factors. Moreover, the changes in gut microbiota via CUR may be another factor of relieving IMQ-induced lesions in mice. Therefore, CUR may be a highly promising candidate for the treatment of psoriasis.

Topics: Animals; Curcumin; Dermatitis; Gastrointestinal Microbiome; Imiquimod; Inflammation; Interleukin-23; Mice; Tumor Necrosis Factor-alpha

Curcumin (CUR) is a hydrophobic polyphenol with anti-inflammatory activity. However, its low water-solubility and poor skin permeation limited its application in the treatment of dermititis. CUR-loaded micelles were prepared using thin membrane hydration method with methoxy poly (ethylene glycol)-block-poly (ε-caprolactone) (MPEG-PCL) as carrier material. The drug loading capacity and encapsulation efficiency were 12.14 ± 0.33 and 93.57 ± 1.67%, respectively. CUR-loaded micelles increased CUR's water-solubility to 1.87 mg/mL, being 1.87 × 10

Topics: Administration, Cutaneous; Animals; Curcumin; Dermatitis; Edema; Hydrogels; Mice; Micelles; Skin

Topics: Administration, Topical; Animals; Anti-Inflammatory Agents, Non-Steroidal; Cellulose; Curcumin; Dermatitis; Drug Carriers; Imiquimod; Lipids; Male; Mice; Nanofibers; Psoriasis

Curcuma longa L. is an important industrial crop used by medicinal and cosmetic industries in the world. Its leaves are a waste material after harvesting rhizomes. The aim of the study was to evaluate the chemical and pharmacological profile of essential oil from waste leaves of Curcuma longa (EOCl) against skin inflammation.. EOCl was subjected to gas chromatography (GC) analysis for identification of essential oil constituents and its anti-inflammatory evaluation through in vitro and in vivo models.. Chemical fingerprinting using GC and GC-MS analysis of EOCl revealed the presence of 11 compounds, representing 90.29% of the oil, in which terpinolene (52.88%) and α-phellandrene (21.13%) are the major components. In the in vitro testing EOCl inhibited the production of pro-inflammatory cytokines (TNF-α, IL-6, IL-1β) in lipopolysaccharide (LPS) and 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced inflammation in the human keratinocyte cell line (HaCaT). Topical application of EOCl produced anti-inflammatory effects by reducing ear thickness, ear weight and ameliorating the level of pro-inflammatory cytokines (TNF-α, IL-6, IL-1β) at protein and mRNA levels as well as regulating the overproduction of oxidative markers and restoring the histopathological damage in a TPA-induced mouse model of inflammation.. These findings of topical anti-inflammatory properties of EOCl provide a scientific basis for medicinal use of this plant material against inflammatory disorders.

Topics: Animals; Cell Survival; Cells, Cultured; Curcuma; Dermatitis; Female; Gas Chromatography-Mass Spectrometry; Humans; Mice; Oils, Volatile; Plant Leaves; Rabbits; Tetradecanoylphorbol Acetate

In the present work new highly biocompatible nanovesicles were developed using polyanion sodium hyaluronate to form polymer immobilized vesicles, so called hyalurosomes. Curcumin, at high concentration was loaded into hyalurosomes and physico-chemical properties and in vitro/in vivo performances of the formulations were compared to those of liposomes having the same lipid and drug content. Vesicles were prepared by direct addition of dispersion containing the polysaccharide sodium hyaluronate and the polyphenol curcumin to a commercial mixture of soy phospholipids, thus avoiding the use of organic solvents. An extensive study was carried out on the physico-chemical features and properties of curcumin-loaded hyalurosomes and liposomes. Cryogenic transmission electron microscopy and small-angle X-ray scattering showed that vesicles were spherical, uni- or oligolamellar and small in size (112-220 nm). The in vitro percutaneous curcumin delivery studies on intact skin showed an improved ability of hyalurosomes to favour a fast drug deposition in the whole skin. Hyalurosomes as well as liposomes were biocompatible, protected in vitro human keratinocytes from oxidative stress damages and promoted tissue remodelling through cellular proliferation and migration. Moreover, in vivo tests underlined a good effectiveness of curcumin-loaded hyalurosomes to counteract 12-O-tetradecanoilphorbol (TPA)-produced inflammation and injuries, diminishing oedema formation, myeloperoxydase activity and providing an extensive skin reepithelization. Thanks to the one-step and environmentally-friendly preparation method, component biocompatibility and safety, good in vitro and in vivo performances, the hyalurosomes appear as promising nanocarriers for cosmetic and pharmaceutical applications.

Topics: Animals; Cells, Cultured; Curcumin; Dermatitis; Humans; Hyaluronic Acid; Microscopy, Electron, Transmission; Skin; Swine; Wound Healing

Dibenzoylmethane (DBM), a β-diketone structural analogue of curcumin, has been reported to exhibit anti-tumorigenic and chemopreventive activities. Due to the structural resemblance of DBM to the anti-inflammatory curcumin and an aspirin-like skeleton of DBM derivatives, we tested the anti-inflammatory effects of DBM and its derivatives, 1,3-bis-(2-substituted-phenyl)-propane-1,3-dione, on 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced tumor promotion as well as TPA- and arachidonic acid-induced mouse ear edema in skin of CD-1 mice. Topical application of 10 μmol DBM together with TPA on the back of mice previously treated with 7,12-dimethylbenz[α]anthracene (DMBA) inhibited TPA-induced skin tumor promotion significantly. In addition, 1,3-bis-(2-acetoxy phenyl)-propane-1,3-dione was a superior anti-inflammatory agent to aspirin (80% of inhibition), on TPA-induced mouse ear edema and reduced the production of prostaglandin E2 (PGE(2)), comparable to aspirin. Taken together, 1,3-bis-(2-acetoxyphenyl-propane-1,3-dione merits a valuable anti-inflammatory agent substituting aspirin in therapeutic treatment as well prevention of cancer.

Topics: 9,10-Dimethyl-1,2-benzanthracene; Animals; Anti-Inflammatory Agents; Arachidonic Acid; Aspirin; Carcinogens; Curcumin; Dermatitis; Ear, External; Edema; Female; Ketones; Mice; Mice, Inbred Strains; Platelet Aggregation Inhibitors; Skin Neoplasms; Tetradecanoylphorbol Acetate

Previous studies have demonstrated appreciable tumor induction in mouse skin by daily irradiation with high-power long-wavelength ultraviolet A (UVA).. The aim of the present study was to examine the enhancing effects of UVA on changes in mouse skin mediated by the tumor promoter 12-o-tetradecanoylphorbol-13-acetate (TPA) by measurement of ornithine decarboxylase (ODC) activity and morphometric analysis. In addition, we examined the inhibitory effects of curcumin, a component of turmeric, on these changes.. ODC activity in the epidermis of CD-1 mice was determined by the method of Russell and Snyder. Epidermal and dermal thickness, and the number of dermal infiltrating inflammatory cells were quantified using a computer-assisted image analyzer.. A combination of topical TPA application and UVA irradiation produced a greater increment of ODC activity at 4 h than TPA alone (p < 0.05). Histopathologically, TPA plus UVA tended to increase the dermal infiltrating inflammatory cells in contrast to TPA alone. Pretreatment of mice with curcumin significantly abrogated the TPA-induced changes in ODC activity and the dermal infiltrating inflammatory cells as well as the TPA plus UVA-mediated enhancement of these changes.. Our data indicate that UVA irradiation (18.72 J/cm2) significantly enhances ODC induction at an early stage (4-6 h) after topical application of TPA, and aggravates the dermatitis elicited by TPA. Pretreatment with curcumin significantly inhibits these enhancing effects.

Topics: Animals; Curcumin; Dermatitis; Disease Models, Animal; Drug Interactions; Female; Mice; Mice, Inbred Strains; Ornithine Decarboxylase; Skin; Tetradecanoylphorbol Acetate; Ultraviolet Rays