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azelaic acid

W Wu, J Xie, H Zhang
Dietary fibers (DFs), widely used as food additives to replace fat, can benefit metabolic disorders. Soluble and highly fermentable inulin (INU) and insoluble and less fermentable microcrystalline cellulose (MCC) have hypolipidemic or cholesterol-lowering effects, respectively. The current study was aimed at identifying plasma metabolite signatures and metabolic pathways associated with inclusion of DFs with different physiochemical properties, which will lead to a better understanding of functional pathways for DFs to improve metabolic health...
October 18, 2016: Food & Function
Jakaria Shawon, Akib Mahmud Khan, Adhip Rahman, Mohammad Mazharol Hoque, Mohammad Abdul Kader Khan, Mohammed G Sarwar, Mohammad A Halim
Molecular recognition has central role on the development of rational drug design. Binding affinity and interactions are two key components which aid to understand the molecular recognition in drug-receptor complex and crucial for structure-based drug design in medicinal chemistry. Herein, we report the binding affinity and the nonbonding interactions of azelaic acid and related compounds with the receptor DNA polymerase I (2KFN). Quantum mechanical calculation was employed to optimize the modified drugs using B3LYP/6-31G(d,p) level of theory...
October 1, 2016: Interdisciplinary Sciences, Computational Life Sciences
Gah-Hyun Lim, Aardra Kachroo, Pradeep Kachroo
Systemic acquired resistance (SAR) is a highly desirable form of resistance that protects against a broad-spectrum of pathogens. SAR involves the generation of a mobile signal at the site of primary infection, which arms distal portions of a plant against subsequent secondary infections. A number of diverse chemical signals contributing to SAR have been isolated and characterized. Among these, salicylic acid (SA) functions in parallel to azelaic acid (AzA) and glycerol-3-phosphate (G3P), and both AzA and G3P function downstream of the free radicals nitric oxide and reactive oxygen species...
September 2016: Plant Signaling & Behavior
S F Graham, O P Chevallier, P Kumar, O Türko Gcaron Lu, R O Bahado-Singh
OBJECTIVE: Sudden Infant Death Syndrome (SIDS) is defined as the sudden death of an infant <1 year of age that cannot be explained following a thorough investigation. Currently, no reliable clinical biomarkers are available for the prediction of infants who will die of SIDS. STUDY DESIGN: This study aimed to profile the medulla oblongata from postmortem human brain from SIDS victims (n=16) and compare their profiles with that of age-matched controls (n=7). RESULTS: Using LC-Orbitrap-MS, we detected 12 710 features in electrospray ionization positive (ESI+) mode and 8243 in ESI- mode from polar extracts of brain...
September 8, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
H Kang, X Li, Q Zhou, S Quan, F Xue, J Zheng, Y Yu
BACKGROUND: Recent studies have shown that dysregulated metabolic pathways are linked to psoriasis pathogenesis. However, an extensive, unbiased metabolic analysis in psoriatic patients has not been completely explored. The metabolome represents the end products of proteomics or cellular processes which may be closely associated with the pathogenesis of psoriasis. OBJECTIVES: To determine the differences in serum metabolomic profiles among psoriasis patients and healthy controls with the goal of identifying potential biomarkers in patients with psoriasis...
August 26, 2016: British Journal of Dermatology
Joseph F Fowler
Rosacea is a chronic skin disorder associated with flushing, erythema, dryness, burning and stinging, and inflammatory papules and pustules. New treatments available or in development target the inflammatory and erythematous components of the disease. These agents include the selective α2 receptor agonist brimonidine, the topical agents ivermectin cream 1% and azelaic acid foam 15%, and use of tetracyclinetype antibiotics, which affect the cathelicidin pathway. Semin Cutan Med Surg 35(supp6):S107-S109.
June 2016: Seminars in Cutaneous Medicine and Surgery
Kashif Siddiqui, Linda Stein Gold, Japinder Gill
BACKGROUND: Rosacea is a common chronic skin condition that manifests as recurrent inflammatory lesions. Long-term treatment is required to control symptoms and disease progression, with topical treatments being the first-line choice. Ivermectin 1 % cream is a new once-daily (QD) topical treatment for the inflammatory lesions of rosacea, and it is important to compare the efficacy, safety, and tolerability of ivermectin with other currently available topical treatments. METHODS: A systematic literature review was performed from January 2011 to June 2015, with articles published prior to 2011 retrieved from a Cochrane review on rosacea...
2016: SpringerPlus
Surabhi Dayal, Priyadarshini Sahu, Ruchika Dua
BACKGROUND: Glycolic acid (GA) peel is one of the most versatile agents in the treatment of melasma. GA peeling alone or in combination with topical hypopigmenting agents has shown encouraging results. However, there is paucity of controlled trial demonstrating the efficacy of glycolic peel in conjunction with topical azelaic acid (AA). We therefore sought to highlight the efficacy and safety of this combination in melasma. OBJECTIVE: To assess the clinical efficacy, safety and reduction in melasma quality of life (MELASQOL) scores on combining serial GA peels with topical 20% AA cream in epidermal melasma...
August 8, 2016: Journal of Cosmetic Dermatology
E Burchacka, P Potaczek, P Paduszyński, K Karłowicz-Bodalska, T Han, S Han
Azelaic acid is a naturally occurring saturated C9-dicarboxylic acid which has been shown to be effective in the treatment of comedonal acne and inflammatory acne, as well as hiperpigmentary skin disorders. The aim of the present study is to compare new developed liposomal hydrogel (lipogel) and commercially available product in terms of the active substance-azelaic acid bioavailability. Topical formulations were evaluated for physical parameters, such as pH measurement, organoleptic evaluation and liposome size analysis in lipogel formulation...
July 30, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Marius Rademaker
BACKGROUND/OBJECTIVES: Rosacea is a chronic inflammatory disorder that affects up to 10% of the population. Standard treatments include topical azelaic acid and metronidazole or systemic tetracyclines. Isotretinoin has generally been restricted to severe disease, often at a dose of 0.5-1.0 mg/kg/day. METHOD: Retrospective review of open-label isotretinoin (initial dose 20 mg/day, with dose adjustments according to response), in patients with mild to moderate papulopustular rosacea...
July 20, 2016: Australasian Journal of Dermatology
N A Ushakova, E S Brodskii, A A Kovalenko, A I Bastrakov, A A Kozlova, D S Pavlov
The lipid fraction of larvae of the black soldier fly Hermetia illucens was shown to contain lauric acid (38.43 wt %) and its esters, azelaic and sebacic acids, and azelaic acid dibutyl ester. The dominant compound in the group of identified glycerides was lauric acid monoglyceride (0.70 wt %). Glycerides were also represented by triglycerides and diglycerides of lauric acid. Sterols were represented primarily by phytosterols (over 75%), the major of which was alpha-sitosterol (45%). The identified lipid complex composition is apparently determined by the biological characteristics of the fly Hermetia illucens and ensures antibacterial defence of larvae and stability of lipids at changing ambient temperature...
May 2016: Doklady. Biochemistry and Biophysics
Dhananjay K Deshmukh, Kimitaka Kawamura, Manas K Deb
The size distributions of aerosols can provide evidences for their sources and formation processes in the atmosphere. Size-segregated aerosols (9-sizes) were collected in urban site (Raipur: 21.2°N and 82.3°E) in central India during winter of 2012-2013. The samples were analyzed for dicarboxylic acids (C2-C12), ω-oxocarboxylic acids (ωC2-ωC9), pyruvic acid and α-dicarbonyls (C2-C3) as well as elemental carbon (EC), organic carbon (OC), water-soluble OC (WSOC) and inorganic ions. Diacids showed a predominance of oxalic acid (C2) followed by succinic and azelaic acid whereas ω-oxoacids exhibited a predominance of glyoxylic acid and glyoxal was more abundant than methylglyoxal in all the sizes...
October 2016: Chemosphere
C Richter, C Trojahn, K Hillmann, G Dobos, V Kanti, A Vogt, U Blume-Peytavi, J Kottner
BACKGROUND: The postadolescent form of acne papulopustulosa, also referred to as 'acne tarda' can have substantial negative impact on Quality of Life, especially in adult female patients. OBJECTIVE: Although the Dermatology Life Quality Index (DLQI) is widely used, empirical evidence about its performance in adult female acne patients is lacking. METHODS: In this prospective cohort study, we have investigated the sensitivity to change of the DLQI in 53 female adult acne patients with mild to moderate facial acne treated with azelaic acid (AzA) 15% gel twice daily over 24 weeks...
July 9, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
Agnieszka Gunia-Krzyżak, Justyna Popiół, Henryk Marona
Hyperpigmentation disorders constitute important medical and aesthetical conditions. Dark areas or dark spots on the skin result from inappropriate amount and/or deposition of skin pigments - melanins. Several depigmenting agents, such as kojic acid, arbutin, aloesin, ellagic acid, resveratrol, azelaic acid, niacinamide, tretinoin, glycolic acid, lactic acid, and citric acid, have already been identified and are used in topical drugs or cosmetic formulations for the treatment of hyperpigmentations. However, these compounds are characterized by insufficient effectiveness and multiple adverse effects...
June 26, 2016: Current Medicinal Chemistry
Céline Le Lay, Emmanuel Coton, Gwenaëlle Le Blay, Jean-Marc Chobert, Thomas Haertlé, Yvan Choiset, Nicolas Nguyen Van Long, Laurence Meslet-Cladière, Jérôme Mounier
Fungal growth in bakery products represents the most frequent cause of spoilage and leads to economic losses for industrials and consumers. Bacteria, such as lactic acid bacteria and propionibacteria, are commonly known to play an active role in preservation of fermented food, producing a large range of antifungal metabolites. In a previous study (Le Lay et al., 2016), an extensive screening performed both in vitro and in situ allowed for the selection of bacteria exhibiting an antifungal activity. In the present study, active supernatants against Penicillium corylophilum and Aspergillus niger were analyzed to identify and quantify the antifungal compounds associated with the observed activity...
June 20, 2016: International Journal of Food Microbiology
Sara Al-Marabeh, Enam Khalil, Mohammad Khanfar, Amal G Al-Bakri, Muhammed Alzweiri
Azelaic acid is a dicarboxylic acid compound used in treatment of acne vulgaris. However, high concentration (ca 20%) is needed to guarantee the drug availability in the skin. The latter increases the incidence of side effects such as local irritation. The prodrug strategy to enhance azelaic acid diffusion through skin was not reported before. Thus, a lipophilic prodrug of azelaic acid (diethyl azelate [DEA]) was synthesized and investigated to improve percutaneous availability of azelaic acid, with a subsequent full physical, chemical, and biological characterization...
June 27, 2016: Pharmaceutical Development and Technology
Adnan Amin, Emmy Tuenter, Vassiliki Exarchou, Atul Upadhyay, Paul Cos, Louis Maes, Sandra Apers, Luc Pieters
Nymphoides indica (L.) Kuntze (Menyanthaceae) is traditionally used in the Indian subcontinent. However, scientific data reporting its constituents are poor. This study aimed at evaluating its phytochemical constituents and various biological activities. Phytochemical investigations of the extracts and fractions resulted in the isolation of 5 lipophilic compounds, i.e. azelaic (nonanedioic) acid (1) and 4-methyl-heptanedioic acid (3), hexadecanoic (2) and stearic acid (5) and the fatty alcohol hexadecanol (4); 3 seco-iridoids, i...
June 10, 2016: Phytotherapy Research: PTR
Alain Taieb, Linda Stein Gold, Steven R Feldman, Viktor Dansk, Evelina Bertranou
BACKGROUND: Papulopustular rosacea is a chronic skin disease involving central facial erythema in combination with papules and pustules. Papulopustular rosacea is treated with topical, systemic, or a combination of topical and systemic therapies. Currently approved topical therapies include azelaic acid gel/cream/foam twice daily (BID) and metronidazole cream/gel/lotion BID. Ivermectin 1% cream once daily (QD) is a new topical agent for the treatment of papulopustular rosacea that has been approved for the management of inflammatory lesions of rosacea and offers an alternative to current treatments...
June 2016: Journal of Managed Care & Specialty Pharmacy
B Sofen, G Prado, J Emer
Dyschromia is a leading cause for cosmetic consultation, especially in those with diverse skin types (mixture of ethnicities) and with the rise of non-core and untrained physicians performing cosmetic procedures. Melasma and post-inflammatory hyperpigmentation (PIH) account for the majority of cases and are characterized by pigmented macules and patches distributed symmetrically in sun-exposed areas of the forehead, cheeks, and chin in melasma, and irregularly in areas of inflammation or an inciting traumatic event with PIH...
January 2016: Skin Therapy Letter
Corinna Dressler, Stefanie Rosumeck, Alexander Nast
After cessation of successful initial acne therapy, patients often experience flares. Consecutive maintenance treatment after successful induction therapy is promoted by guidelines; however, little is known about the efficacy/safety of different maintenance regimens. A systematic review on acne maintenance treatments was conducted. We identified 5 randomized controlled trials [RCTs; adapalene vs. vehicle or vs. no treatment (3 RCTs), adapalene/benzoyl peroxide (BPO) vs. vehicle, combination/monotherapy of minocycline (systemic)/tazarotene/placebo] and 3 non-RCTs on systemic isotretinoin, adapalene/BPO and azelaic acid...
2016: Dermatology: International Journal for Clinical and Investigative Dermatology
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