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https://www.readbyqxmd.com/read/28330226/anti-oxidant-and-anti-microbial-properties-of-some-ethno-therapeutically-important-medicinal-plants-of-indian-himalayan-region
#1
Sandeep Rawat, Arun K Jugran, Amit Bahukhandi, Asutosh Bahuguna, Indra D Bhatt, Ranbeer S Rawal, Uppeandra Dhar
Therapeutic potential of medicinal plants as a source of noble natural anti-oxidants and anti-microbial agents has been well recognised all across the globe. In this study, phenolic compounds, in vitro anti-oxidant activity and anti-microbial properties have been investigated in five Himalayan medicinal plants, (e.g., Acorus calamus, Habenaria intermedia, Hedychium spicatum, Roscoea procera and Valeriana jatamansi) in different solvent systems. R. procera exhibited significantly (p < 0.05) higher phenolics; while H...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28323242/investigation-of-the-indigenous-fungal-community-populating-barley-grains-secretomes-and-xylanolytic-potential
#2
Abida Sultan, Jens C Frisvad, Birgit Andersen, Birte Svensson, Christine Finnie
The indigenous fungal species populating cereal grains produce numerous plant cell wall-degrading enzymes including xylanases, which could play important role in plant-pathogen interactions and in adaptation of the fungi to varying carbon sources. To gain more insight into the grain surface-associated enzyme activity, members of the populating fungal community were isolated, and their secretomes and xylanolytic activities assessed. Twenty-seven different fungal species were isolated from grains of six barley cultivars over different harvest years and growing sites...
March 17, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28299723/mold-and-human-health-a-reality-check
#3
REVIEW
Andrea T Borchers, Christopher Chang, M Eric Gershwin
There are possibly millions of mold species on earth. The vast majority of these mold spores live in harmony with humans, rarely causing disease. The rare species that does cause disease does so by triggering allergies or asthma, or may be involved in hypersensitivity diseases such as allergic bronchopulmonary aspergillosis or allergic fungal sinusitis. Other hypersensitivity diseases include those related to occupational or domiciliary exposures to certain mold species, as in the case of Pigeon Breeder's disease, Farmer's lung, or humidifier fever...
March 16, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28285052/an-alternative-anionic-bio-sustainable-anti-fungal-agent-investigation-of-its-mode-of-action-on-the-fungal-cell-membrane
#4
Jonas Stenbæk, David Löf, Peter Falkman, Bo Jensen, Marité Cárdenas
The potential of a lactylate (the sodium caproyl lactylate or C10 lactylate), a typical food grade emulsifier, as an anionic environmental friendly anti-fungal additive was tested in growth medium and formulated in a protective coating for exterior wood. Different laboratory growth tests on the blue stain fungus Aureobasidium pullulans were performed and its interactions on a model fungal cell membrane were studied. Promising short term anti-fungal effects in growth tests were observed, although significant but less dramatic effects took place in coating test on wood panels...
March 4, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28262118/in-vitro-cytotoxicity-and-antimicrobial-activity-of-talaromyces-flavus-sp5-inhabited-in-the-marine-sediment-of-southern-coast-of-india
#5
Bibin G Anand, C K Navin Thomas, S Prakash
Marine sediment samples were collected from the coastal areas of Southern India, particularly in Kanyakumari District. Twenty-eight different fungal strains were isolated. The screening of fungi from marine sediment was done to isolate a potent fungus that can produce bioactive compounds for biomedical applications. Only three strains viz Trichoderma gamsii SP4, Talaromyces flavus SP5 and Aspergillus oryzae SP6 were screened for further studies. The intracellular bioactive compounds were extracted using solvent extraction method...
December 2016: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28259974/3-hydroxyterphenyllin-a-natural-fungal-metabolite-induces-apoptosis-and-s-phase-arrest-in-human-ovarian-carcinoma-cells
#6
Yaomin Wang, Casey Compton, Gary O Rankin, Stephen J Cutler, Yon Rojanasakul, Youying Tu, Yi Charlie Chen
In the present study, we evaluated 3-Hydroxyter-phenyllin (3-HT) as a potential anticancer agent using the human ovarian cancer cells A2780/CP70 and OVCAR-3, and normal human epithelial ovarian cells IOSE-364 as an in vitro model. 3-HT suppressed proliferation and caused cytotoxicity against A2780/CP70 and OVCAR-3 cells, while it exhibited lower cytotoxicity in IOSE-364 cells. Subsequently, we found that 3-HT induced S phase arrest and apoptosis in a dose-independent manner. Further investigation revealed that S phase arrest was related with DNA damage which mediated the ATM/p53/Chk2 pathway...
March 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28208680/anti-bacterial-and-anti-fungal-activity-of-xanthones-obtained-via-semi-synthetic-modification-of-%C3%AE-mangostin-from-garcinia-mangostana
#7
Srinivasan Narasimhan, Shanmugam Maheshwaran, Imad A Abu-Yousef, Amin F Majdalawieh, Janarthanam Rethavathi, Prince Edwin Das, Palmiro Poltronieri
The microbial contamination in food packaging has been a major concern that has paved the way to search for novel, natural anti-microbial agents, such as modified α-mangostin. In the present study, twelve synthetic analogs were obtained through semi-synthetic modification of α-mangostin by Ritter reaction, reduction by palladium-carbon (Pd-C), alkylation, and acetylation. The evaluation of the anti-microbial potential of the synthetic analogs showed higher bactericidal activity than the parent molecule. The anti-microbial studies proved that I E showed high anti-bacterial activity whereas I I showed the highest anti-fungal activity...
February 12, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28195065/effect-of-econazole-and-benzydamine-on-sensory-neurons-in-culture
#8
S Mathivanan, R de la Torre-Martinez, C Wolf, G Mangano, L Polenzani, C Milanese, A Ferrer-Montiel
Econazole is an anti-mycotic agent widely used for the treatment of cutaneous fungal infections, and for the therapy of vaginal candidiasis. Topical application of this azole is generally safe, although some patients have complained of mild burning sensation/cutaneous irritation and itching, especially when administered intravaginally. The underlying mechanisms responsible of these adverse effects are poorly understood, though they suggest excitation of cutaneous nociceptor terminals. We report that exposure of primary cultures of rat nociceptors to econazole augments neuronal excitability...
December 2016: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28179997/the-plant-defensin-nad1-induces-tumor-cell-death-via-a-non-apoptotic-membranolytic-process
#9
Amy A Baxter, Ivan Kh Poon, Mark D Hulett
Cationic anti-microbial peptides (CAPs) have an important role in host innate defense against pathogens such as bacteria and fungi. Many CAPs including defensins also exhibit selective cytotoxic activity towards mammalian cells via both apoptotic and non-apoptotic processes, and are being investigated as potential anticancer agents. The anti-fungal plant defensin from ornamental tobacco, Nicotiana alata Defensin 1 (NaD1), was recently shown to induce necrotic-like cell death in a number of tumor cell types within 30 min of treatment, at a concentration of 10 μM...
2017: Cell Death Discovery
https://www.readbyqxmd.com/read/28168624/antimicrobial-activity-of-endophytic-fungi-from-olive-tree-leaves
#10
Cynthia Malhadas, Ricardo Malheiro, José Alberto Pereira, Paula Guedes de Pinho, Paula Baptista
In this study, the antimicrobial potential of three fungal endophytes from leaves of Olea europaea L. was evaluated and the host plant extract effect in the antimicrobial activity was examined. The volatile compounds produced by endophytes were identified by GC/MS and further correlated with the antimicrobial activity. In potato dextrose agar, both Penicillium commune and Penicillium canescens were the most effective inhibiting Gram-positive and -negative bacteria (up to 2.7-fold compared to 30 µg/mL chloramphenicol), whereas Alternaria alternata was most effective inhibiting yeasts (up to 8...
March 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28157653/efficacy-of-vitamin-b-complex-as-an-adjuvant-therapy-for-the-treatment-of-complicated-vulvovaginal-candidiasis-an-in-vivo-and-in-vitro-study
#11
RANDOMIZED CONTROLLED TRIAL
Mei-Guo Sun, Ying Huang, Yuan-Hong Xu, Yun-Xia Cao
OBJECTIVE: This study aimed to explore the efficacy of vitamin B complex as an adjuvant therapy for the treatment of complicated vulvovaginal candidiasis (VVC) in vitro and in vivo. METHODS: One-hundred fifty-eight complicated VVC patients were randomly divided into group A (treated with suppository+oral antifungal agents), group B (treated with suppository+vaginal cream), and group C (treated with suppository+vaginal cream+oral vitamin B complex). A mouse model of VVC was established...
April 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28120351/comparative-efficacy-of-topical-application-of-tacrolimus-and-clotrimazole-in-the-treatment-of-pityriasis-versicolor-a-single-blind-randomised-clinical-trial
#12
Mozhdeh Sepaskhah, Maryam Sadat Sadat, Keyvan Pakshir, Zahra Bagheri
BACKGROUND: Pityriasis versicolor (PV) is a common superficial fungal disease. Possibility of emergence of resistant strains to azoles, and difficulty in differentiation of hypopigmented PV and early vitiligo, encouraged us to evaluate the efficacy of topical tacrolimus (a calcineurin inhibitor agent with proven in vitro anti-Malassezia effect) for PV treatment generally and its effect on PV-induced hypopigmentation specifically. OBJECTIVES: To evaluate the efficacy of topical tacrolimus on pityriasis versicolor...
January 25, 2017: Mycoses
https://www.readbyqxmd.com/read/28106743/design-synthesis-and-antifungal-activity-evaluation-of-new-thiazolin-4-ones-as-potential-lanosterol-14%C3%AE-demethylase-inhibitors
#13
Anca Stana, Dan C Vodnar, Radu Tamaian, Adrian Pîrnău, Laurian Vlase, Ioana Ionuț, Ovidiu Oniga, Brînduşa Tiperciuc
Twenty-three thiazolin-4-ones were synthesized starting from phenylthioamide or thiourea derivatives by condensation with α-monochloroacetic acid or ethyl α-bromoacetate, followed by substitution in position 5 with various arylidene moieties. All the synthesized compounds were physico-chemically characterized and the IR (infrared spectra), ¹H NMR (proton nuclear magnetic resonance), (13)C NMR (carbon nuclear magnetic resonance) and MS (mass spectrometry) data were consistent with the assigned structures...
January 17, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28104135/renal-allograft-aspergillus-infection-presenting-with-obstructive-uropathy-a-case-report
#14
L Sadagah, M Alharbi, M Alshomrani, A Almalki
BACKGROUND: Isolated renal allograft aspergillosis is rare and usually presents with fever and decreased glomerular filtration rate. Presentation with obstructive uropathy caused by aspergillus fungal balls is much less common. We report a young male patient who presented with obstructive uropathy secondary to isolated renal allograft aspergillus infection 6 weeks after transplant. He was treated with nephrectomy and antifungal medications. CASE PRESENTATION: A 29-year-old Saudi male patient had a recent living non-related kidney transplantation in Pakistan...
January 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28103779/flavone-analogues-as-antimicrobial-agents
#15
Kamlesh Kumar Naik, Sivakumar Thangavel, Afroze Alam
BACKGROUND: Most of the available antimicrobial drugs have developed resistance, some of them suffer from severe toxicity, side effects. So, there is a need to discover novel compound(s) which should not only be potent, but also less toxic and cost effective. OBJECTIVES: The aim of the study is to develop new synthetic antimicrobial agents (Anti-bacterial and anti-fungal) such as 3-substituted flavone/flavanone derivatives, which should be significantly potent with low toxicity...
January 18, 2017: Recent Patents on Inflammation & Allergy Drug Discovery
https://www.readbyqxmd.com/read/28040409/antifungal-effects-of-phytocompounds-on-candida-species-alone-and-in-combination-with-fluconazole
#16
REVIEW
Mengjiao Lu, Tao Li, Jianjian Wan, Xiuyun Li, Lei Yuan, Shujuan Sun
Invasive fungal infections caused by Candida spp. remain the most predominant nosocomial fungal infections. Owing to the increased use of antifungal agents, resistance of Candida spp. to antimycotics has emerged frequently, especially to fluconazole (FLC). To cope with this issue, new efforts have been dedicated to discovering novel antimycotics or new agents that can enhance the susceptibility of Candida spp. to existing antimycotics. The secondary metabolites of plants represent a large library of compounds that are important sources for new drugs or compounds suitable for further modification...
February 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28026947/biodegradable-kojic-acid-based-polymers-controlled-delivery-of-bioactives-for-melanogenesis-inhibition
#17
Jonathan J Faig, Alysha Moretti, Laurie B Joseph, Yingyue Zhang, Mary Joy Nova, Kervin Smith, Kathryn E Uhrich
Kojic acid (KA) is a naturally occurring fungal metabolite that is utilized as a skin-lightener and antibrowning agent owing to its potent tyrosinase inhibition activity. While efficacious, KA's inclination to undergo pH-mediated, thermal-, and photodegradation reduces its efficacy, necessitating stabilizing vehicles. To minimize degradation, poly(carbonate-esters) and polyesters comprised of KA and natural diacids were prepared via solution polymerization methods. In vitro hydrolytic degradation analyses revealed KA release was drastically influenced by polymer backbone composition (e...
January 26, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28003000/double-edge-sword-behavior-of-carbendazim-a-potent-fungicide-with-anti-cancer-therapeutic-properties
#18
Karan Goyal, Ajay Sharma, Ridhima Arya, Rohit Sharma, Girish K Gupta, Anil K Sharma
A number of benzimidazole derivatives such as benomyl and carbendazim have been known for their potential role as agricultural fungicides. Simultaneously carbendazim has also been found to inhibit proliferation of mammalian tumor cells specifically drug and multidrug resistant cell lines. Studies carried out with fungal and mammalian cells have highlighted the potential role of carbendazim in inhibiting proliferation of cells, thereby exhibiting therapeutic implications against cancer. Because of its promising preclinical antitumor activity, Carbendazim had undergone phase I clinical trials and is under further clinical investigations for treatment of cancer...
December 21, 2016: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/27994583/beyond-traditional-antimicrobials-a-caenorhabditis-elegans-model-for-discovery-of-novel-anti-infectives
#19
REVIEW
Cin Kong, Su-Anne Eng, Mei-Perng Lim, Sheila Nathan
The spread of antibiotic resistance amongst bacterial pathogens has led to an urgent need for new antimicrobial compounds with novel modes of action that minimize the potential for drug resistance. To date, the development of new antimicrobial drugs is still lagging far behind the rising demand, partly owing to the absence of an effective screening platform. Over the last decade, the nematode Caenorhabditis elegans has been incorporated as a whole animal screening platform for antimicrobials. This development is taking advantage of the vast knowledge on worm physiology and how it interacts with bacterial and fungal pathogens...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27976895/angiogenesis-inhibitors-and-anti-inflammatory-agents-from-phoma-sp-ntou4195
#20
Ming-Shian Lee, Shih-Wei Wang, Guei-Jane Wang, Ka-Lai Pang, Ching-Kuo Lee, Yueh-Hsiung Kuo, Hyo-Jung Cha, Ruo-Kai Lin, Tzong-Huei Lee
Seven new polyketides, phomaketides A-E (1-5) and pseurotins A3 (6) and G (7), along with the known compounds FR-111142, pseurotins A, A1, A2, D, and F2, 14-norpseurotin A, α-carbonylcarbene, tyrosol, cyclo(-l-Pro-l-Leu), and cyclo(-l-Pro-l-Phe), were purified from the fermentation broth and mycelium of the endophytic fungal strain Phoma sp. NTOU4195 isolated from the marine red alga Pterocladiella capillacea. The structures were established through interpretation of spectroscopic data. The antiangiogenic and anti-inflammatory effects of 1-7 and related analogues were evaluated using human endothelial progenitor cells (EPCs) and lipopolysaccharide (LPS)-activated murine macrophage RAW264...
December 23, 2016: Journal of Natural Products
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