Search Results - "Vaisberg, Abraham J."
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Synthesis, antileishmanial activity and cytotoxicity of 2,3-diaryl- and 2,3,8-trisubstituted imidazo[1,2-a]pyrazines
Published in European journal of medicinal chemistry (20-10-2015)“…A series of original 2-phenyl-3-(pyridin-4-yl)imidazo[1,2-a]pyrazines and the 3-iodo precursors, bearing a polar moiety at the C-8 position, was synthesized…”
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2
Plagiochiline A Inhibits Cytokinetic Abscission and Induces Cell Death
Published in Molecules (Basel, Switzerland) (12-06-2018)“…We previously reported on the isolation and biological activities of plagiochiline A ( ), a 2,3-secoaromadendrane-type sesquiterpenoid from the Peruvian…”
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3
Antimycobacterial Metabolites from Plectranthus: Royleanone Derivatives against Mycobacterium tuberculosis Strains
Published in Chemistry & biodiversity (01-04-2010)“…The antimycobacterial activities of eight diterpenes, 1–8, isolated previously from Plectranthus and eleven esters, 9–19, of…”
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4
A Multipronged Approach to the Study of Peruvian Ethnomedicinal Plants: A Legacy of the ICBG-Peru Project
Published in Journal of natural products (Washington, D.C.) (27-03-2009)“…A multidisciplinary and international team of scientists was assembled in the early 1990s to conduct an ethnobotanical study of plants used by the Aguaruna…”
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5
Physangulidine A, a Withanolide from Physalis angulata, Perturbs the Cell Cycle and Induces Cell Death by Apoptosis in Prostate Cancer Cells
Published in Journal of natural products (Washington, D.C.) (25-01-2013)“…Recently, our group reported the discovery of three new withanolides, physangulidines A–C, from Physalis angulata. In this study, the biological effects of…”
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6
Synthesis, Cytotoxicity, and Anti-Trypanosoma cruzi Activity of New Chalcones
Published in Journal of medicinal chemistry (09-10-2008)“…Synthesis of a cytotoxic dihydrochalcone, first isolated from a traditional Amazonian medicinal plant Iryanthera juruensis Warb (Myristicaceae), followed by a…”
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Ethnobotany, phytochemistry and pharmacology of Uncaria (Rubiaceae)
Published in Phytochemistry (Oxford) (2005)“…A review of the pharmacology and phytochemistry of Uncaria. Emphasis is placed on new compounds and recent pharmacological studies, which are reported…”
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A survey of traditional medicinal plants from the Callejón de Huaylas, Department of Ancash, Perú
Published in Journal of ethnopharmacology (01-05-1998)“…The medicinal uses of local flora from the Callejón de Huaylas, Department of Ancash, northeastern Perú, are reported. This geographical area has an old…”
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Antibacterial activity of some Peruvian medicinal plants from the Callejon de Huaylas
Published in Journal of ethnopharmacology (01-01-2002)“…Extracts of eight medicinal plants from the Callejon de Huaylas in Peru were screened for antibacterial activity in eighteen bacterial strains by the…”
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10
Physangulidines A, B, and C: Three New Antiproliferative Withanolides from Physalis angulata L
Published in Organic letters (02-03-2012)“…Bioassay-directed fractionation of the whole plant of Physalis angulata L. afforded three new antiproliferative withanolides with an unusual carbon framework:…”
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A Bioactive Spirolactone Iridoid and Triterpenoids from Himatanthus sucuuba
Published in Chemical & pharmaceutical bulletin (2001)“…Himatanthus sucuuba is an Amazonian tree with abundant, yet conflicting ethnobotanical information. Investigation of the polar and non-polar constituents led…”
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12
Discovery of Novel (Imidazo[1,2-a]pyrazin-6-yl)ureas as Antiproliferative Agents Targeting P53 in Non-small Cell Lung Cancer Cell Lines
Published in Anticancer research (01-04-2016)“…A series of (imidazo[1,2-a]pyrazin-6-yl)ureas were synthesized through 6-aminoimidazo[1,2-a]pyrazine as a key intermediate…”
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13
Trypanoside, anti-tuberculosis, leishmanicidal, and cytotoxic activities of tetrahydrobenzothienopyrimidines
Published in Bioorganic & medicinal chemistry (15-04-2010)“…The synthesis of 2-(5,6,7,8-tetrahydro[1]benzothieno[2,3- d]pyrimidin-4-yl)hydrazone-derivatives (BTPs) and their in vitro evaluation against Trypanosoma cruzi…”
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14
MALDI-TOF MS characterization of proanthocyanidins from cranberry fruit (Vaccinium macrocarpon) that inhibit tumor cell growth and matrix metalloproteinase expression in vitro
Published in Journal of the science of food and agriculture (15-01-2006)“…Proanthocyanidin-rich extracts were prepared by fractionation of the fruit of the North American cranberry (Vaccinium macrocarpon). In vitro growth inhibition…”
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Cytotoxic and anti-infective phenolic compounds isolated from Mikania decora and Cremastosperma microcarpum
Published in Planta medica (01-09-2011)“…An anticancer-bioassay guided isolation of the ethanol extract and fractions of two plants from the Peruvian rainforest, Mikania decora and Cremastosperma…”
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In Vivo Wound-Healing Activity of Oleanolic Acid Derived from the Acid Hydrolysis of Anredera diffusa
Published in Journal of natural products (Washington, D.C.) (01-06-2006)“…Anredera diffusa is used as a wound-healing agent in traditional Peruvian medicine. Acid hydrolysis of the bioactive ethanolic extract, followed by in vivo…”
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Identification of Triterpene Hydroxycinnamates with in Vitro Antitumor Activity from Whole Cranberry Fruit (Vaccinium macrocarpon)
Published in Journal of agricultural and food chemistry (04-06-2003)“…Bioactivity-guided fractionation of cranberry fruit was used to determine the identity of triterpenoid esters from Vaccinium macrocarpon, which inhibit tumor…”
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Cytotoxic and anti-infective sesquiterpenes present in Plagiochila disticha (Plagiochilaceae) and Ambrosia peruviana (Asteraceae)
Published in Planta medica (01-05-2010)“…A pharmacological screening of the ethanol extract and fractions of two Peruvian medicinal plants, Plagiochila disticha and Ambrosia peruviana, led to the…”
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Aegicerin, the First Oleanane Triterpene with Wide-Ranging Antimycobacterial Activity, Isolated from Clavija procera
Published in Journal of natural products (Washington, D.C.) (01-05-2006)“…An ethanol extract of the Peruvian plant Clavija procera, a member of the rare Theophrastaceae family, was fractionated using a colorimetric bioassay-guided…”
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Isolation of Cytotoxic Metabolites from Targeted Peruvian Amazonian Medicinal Plants
Published in Journal of natural products (Washington, D.C.) (01-01-2008)“…The antiproliferative bioassay-guided fractionation of five Peruvian plants, Doliocarpus dentatus, Picramnia sellowii, Strychnos mitscherlichii, Iryanthera…”
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