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H. Garraffo · SciRah

Researcher profile · Semantic Scholar

H. Garraffo

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H. Garraffo — researcher profile on SciRah

h-index: 45
Works: 143
Citations: 6,376

Most-cited papers

Alkaloids from amphibian skin: a tabulation of over eight-hundred compounds.
John W. Daly, T. Spande, H. Garraffo
2005Journal of Natural Products647 citations
Semantic Scholar
A review of chemical ecology in poison frogs
R. Saporito, M. A. Donnelly, T. Spande, H. Garraffo
2012Chemoecology209 citations
Semantic Scholar
Heteroresistance to Fluconazole in Cryptococcus neoformans Is Intrinsic and Associated with Virulence
E. Sionov, Yun C. Chang, H. Garraffo, K. Kwon-Chung
2009Antimicrobial Agents and Chemotherapy181 citations Open access
Semantic Scholar
Oribatid mites as a major dietary source for alkaloids in poison frogs
R. Saporito, M. A. Donnelly, R. Norton, H. Garraffo +2 more
2007Proceedings of the National Academy of Sciences of the United States of America180 citations Open access
Semantic Scholar
Formicine ants: An arthropod source for the pumiliotoxin alkaloids of dendrobatid poison frogs.
R. Saporito, H. Garraffo, M. A. Donnelly, Adam L. Edwards +2 more
2004Proceedings of the National Academy of Sciences of the United States of America178 citations Open access
Semantic Scholar
ARTHROPOD ALKALOIDS IN POISON FROGS : A REVIEW OF THE 'DIETARY HYPOTHESIS'
R. Saporito, T. Spande, H. Garraffo, M. A. Donnelly
2009144 citations Open access
Semantic Scholar
Regulation of Human Adipose Tissue Activation, Gallbladder Size, and Bile Acid Metabolism by a β3-Adrenergic Receptor Agonist
Alison S. Baskin, J. Linderman, R. Brychta, Suzanne McGehee +21 more
2018Diabetes140 citations Open access
Semantic Scholar
Spatial and temporal patterns of alkaloid variation in the poison frog Oophaga pumilio in Costa Rica and Panama over 30 years.
R. Saporito, M. A. Donnelly, Poonam Jain, H. Garraffo +2 more
2007Toxicon131 citations
Semantic Scholar
Identification of a Cryptococcus neoformans Cytochrome P450 Lanosterol 14α-Demethylase (Erg11) Residue Critical for Differential Susceptibility between Fluconazole/Voriconazole and Itraconazole/Posaconazole
E. Sionov, Yun C. Chang, H. Garraffo, M. Dolan +2 more
2011Antimicrobial Agents and Chemotherapy117 citations Open access
Semantic Scholar
Alkaloids from frog skin: the discovery of epibatidine and the potential for developing novel non-opioid analgesics.
John W. Daly, H. Garraffo, T. Spande, M. Decker +2 more
2000Natural product reports (Print)117 citations Open access
Semantic Scholar
Bioactive alkaloids of frog skin: Combinatorial bioprospecting reveals that pumiliotoxins have an arthropod source
J. Daly, T. Kaneko, Jason M. Wilham, H. Garraffo +3 more
2002Proceedings of the National Academy of Sciences of the United States of America108 citations Open access
Semantic Scholar
Geographic and Seasonal Variation in Alkaloid-Based Chemical Defenses of Dendrobates pumilio from Bocas del Toro, Panama
R. Saporito, M. A. Donnelly, H. Garraffo, T. Spande +1 more
2006Journal of Chemical Ecology95 citations
Semantic Scholar
Vitamin E treatment in NAFLD patients demonstrates that oxidative stress drives steatosis through upregulation of de-novo lipogenesis
Maren C. Podszun, A. Alawad, S. Lingala, N. Morris +21 more
2020Redox Biology93 citations Open access
Semantic Scholar
NONNUTRITIVE SWEETENERS IN BREAST MILK
A. Sylvetsky, A. L. Gardner, V. Bauman, J. Blau +3 more
2015Journal of Toxicology and Environmental Health, Part A90 citations Open access
Semantic Scholar
Further Alkaloids Common to Ants and Frogs: Decahydroquinolines and a Quinolizidine
T. H. Jones, J. Gorman, R. Snelling, J. Delabie +5 more
1999Journal of Chemical Ecology90 citations
Semantic Scholar
Occurrence and significance of decahydroquinolines from dendrobatid poison frogs and a myrmicine ant: use of 1H and 13C NMR in their conformational analysis
T. Spande, Poonam Jain, H. Garraffo, Lewis K. Pannell +8 more
1999Journal of Natural Products86 citations
Semantic Scholar
Metreleptin-mediated improvements in insulin sensitivity are independent of food intake in humans with lipodystrophy
Rebecca J. Brown, Areli Valencia, M. Startzell, E. Cochran +12 more
2018Journal of Clinical Investigation84 citations Open access
Semantic Scholar
Arthropod–Frog Connection: Decahydroquinoline and Pyrrolizidine Alkaloids Common to Microsympatric Myrmicine Ants and Dendrobatid Frogs
John W. Daly, H. Garraffo, Poonam Jain, T. Spande +3 more
2004Journal of Chemical Ecology84 citations
Semantic Scholar
Evidence for an enantioselective pumiliotoxin 7-hydroxylase in dendrobatid poison frogs of the genus Dendrobates
J. Daly, H. Garraffo, T. Spande, V. C. Clark +3 more
2003Proceedings of the National Academy of Sciences of the United States of America80 citations Open access
Semantic Scholar
Evidence for biosynthesis of pseudophrynamine alkaloids by an Australian myobatrachid frog (pseudophryne) and for sequestration of dietary pumiliotoxins.
Benjamin P. C. Smith, M. Tyler, T. Kaneko, H. Garraffo +2 more
2002Journal of Natural Products80 citations
Semantic Scholar
A role for muscarinic receptors in neutrophil extracellular trap formation and levamisole-induced autoimmunity.
C. Carmona-Rivera, M. Purmalek, E. Moore, Meryl A. Waldman +7 more
2017JCI Insight73 citations Open access
Semantic Scholar
Biologically active substances from amphibians: preliminary studies on anurans from twenty-one genera of Thailand.
John W. Daly, Naratitt Noimai, B. Kongkathip, N. Kongkathip +7 more
2004Toxicon68 citations
Semantic Scholar
Sex-related Differences in Alkaloid Chemical Defenses of the Dendrobatid Frog Oophaga pumilio from Cayo Nancy, Bocas del Toro, Panama
R. Saporito, M. A. Donnelly, Anne A. Madden, H. Garraffo +1 more
2010Journal of Natural Products67 citations Open access
Semantic Scholar
Pharmacokinetics of Sucralose and Acesulfame-Potassium in Breast Milk Following Ingestion of Diet Soda
K. Rother, A. Sylvetsky, P. Walter, H. Garraffo +1 more
2017Journal of Pediatric Gastroenterology and Nutrition - JPGN63 citations Open access
Semantic Scholar
Alkaloids in Bufonid Toads (Melanophryniscus): Temporal and Geographic Determinants for Two Argentinian Species
J. Daly, J. Wilham, T. Spande, H. Garraffo +3 more
2007Journal of Chemical Ecology63 citations
Semantic Scholar
Chapter One - Alkaloids from Amphibian Skins
J. Daly, H. Garraffo, T. Spande
199960 citations
Semantic Scholar
Absence of skin alkaloids in captive-raised Madagascan mantelline frogs (Mantella) and sequestration of dietary alkaloids.
John W. Daly, H. Garraffo, Geoffrey S. E. Hall, John F. Cover
1997Toxicon60 citations
Semantic Scholar
Bioassay-guided isolation of epiquinamide, a novel quinolizidine alkaloid and nicotinic agonist from an Ecuadoran poison frog, Epipedobates tricolor.
R. Fitch, H. Garraffo, T. Spande, H. Yeh +1 more
2003Journal of Natural Products57 citations
Semantic Scholar
Venom chemistry of the ant Myrmicaria melanogaster from Brunei.
T. H. Jones, Heather L. Voegtle, H. Miras, Robert G. Weatherford +5 more
2007Journal of Natural Products56 citations
Semantic Scholar
Involvement of PDK1, PKC and TOR signaling pathways in basal fluconazole tolerance in Cryptococcus neoformans
Hyeseung Lee, Ami Khanal Lamichhane, H. Garraffo, K. J. Kwon-Chung +1 more
2012Molecular Microbiology50 citations Open access
Semantic Scholar
Specificity of Ascorbate Analogs for Ascorbate Transport
S. C. Rumsey, R. Welch, H. Garraffo, P. Ge +4 more
1999Journal of Biological Chemistry49 citations Open access
Semantic Scholar
Indolizidine 239Q and Quinolizidine 275I. Major alkaloids in two Argentinian bufonid toads (Melanophryniscus)
J. Daly, H. Garraffo, T. Spande, H. Yeh +4 more
2008Toxicon46 citations Open access
Semantic Scholar
Alkaloids of Anuran Skin: Antimicrobial Function?
C. Macfoy, Douglas Danosus, Raj Sandit, T. H. Jones +3 more
2005Zeitschrift für Naturforschung C - A Journal of Biosciences45 citations Open access
Semantic Scholar
A Siphonotid Millipede (Rhinotus) as the Source of Spiropyrrolizidine Oximes of Dendrobatid Frogs
R. Saporito, M. A. Donnelly, R. Hoffman, H. Garraffo +1 more
2003Journal of Chemical Ecology45 citations
Semantic Scholar
Alkaloids in the Mite Scheloribates laevigatus: Further Alkaloids Common to Oribatid Mites and Poison Frogs
R. Saporito, R. Norton, N. R. Andriamaharavo, H. Garraffo +1 more
2011Journal of Chemical Ecology43 citations
Semantic Scholar
Synthesis of alkaloid 223A and a structural revision.
N. Toyooka, A. Fukutome, H. Nemoto, John W. Daly +3 more
2002Organic Letters42 citations Open access
Semantic Scholar
Widespread sucralose exposure in a randomized clinical trial in healthy young adults.
A. Sylvetsky, P. Walter, H. Garraffo, K. Robien +1 more
2017American Journal of Clinical Nutrition41 citations Open access
Semantic Scholar
Phantasmidine: an Epibatidine Congener from the Ecuadorian Poison Frog Epipedobates anthonyi
R. Fitch, T. Spande, H. Garraffo, H. Yeh +1 more
2010Journal of Natural Products40 citations Open access
Semantic Scholar
N-Methyldecahydroquinolines: An Unexpected Class of Alkaloids from Amazonian Poison Frogs (Dendrobatidae)
John W. Daly, Nathaniel F. Ware, R. Saporito, T. Spande +1 more
2009Journal of Natural Products36 citations Open access
Semantic Scholar
Gluconeogenesis and risk for fasting hyperglycemia in Black and White women.
S. Chung, A. Courville, Anthony U. Onuzuruike, Mirella Galvan-De La Cruz +10 more
2018JCI Insight35 citations Open access
Semantic Scholar
Epiquinamide: A Poison That Wasn't From a Frog That Was
R. Fitch, Gordon D. Sturgeon, Shaun R. Patel, T. Spande +3 more
2009Journal of Natural Products35 citations Open access
Semantic Scholar
Individual and Geographic Variation of Skin Alkaloids in Three Species of Madagascan Poison Frogs (Mantella)
John W. Daly, H. Garraffo, T. Spande, L. Giddings +3 more
2008Journal of Chemical Ecology35 citations
Semantic Scholar
Plasma concentrations of sucralose in children and adults
A. Sylvetsky, V. Bauman, J. Blau, H. Garraffo +2 more
2016Toxicological & Environmental Chemistry34 citations Open access
Semantic Scholar
Alkaloids from single skins of the Argentinian toad Melanophryniscus rubriventris (ANURA, BUFONIDAE): An unexpected variability in alkaloid profiles and a profusion of new structures
H. Garraffo, N. R. Andriamaharavo, M. Vaira, M. F. Quiroga +2 more
2012SpringerPlus29 citations Open access
Semantic Scholar
Structure of alkaloid 275A, a novel 1-azabicyclo[5.3.0]decane from a dendrobatid frog, Dendrobates lehmanni: synthesis of the tetrahydrodiastereomers.
H. Garraffo, Poonam Jain, T. Spande, John W. Daly +3 more
2001Journal of Natural Products28 citations
Semantic Scholar
Histrionicotoxin alkaloids finally detected in an ant.
T. H. Jones, R. M. M. Adams, T. Spande, H. Garraffo +2 more
2012Journal of Natural Products25 citations
Semantic Scholar
Synthesis of poison-frog alkaloids 233A, 235U, and 251AA and their inhibitory effects on neuronal nicotinic acetylcholine receptors.
N. Toyooka, Soushi Kobayashi, De-Jun Zhou, H. Tsuneki +7 more
2007Bioorganic & Medicinal Chemistry Letters25 citations Open access
Semantic Scholar
Production of the macrocyclic bis-bibenzyls in axenically farmed and wild liverwort Marchantia polymorpha L. subsp. ruderalis Bischl. et Boisselier
M. Sabovljević, Milorad M. Vujičić, Xiao-Ning Wang, H. Garraffo +2 more
2016Plant Biosystems24 citations
Semantic Scholar
The enantioselective synthesis of poison-frog alkaloids (−)-203A, (−)-209B, (−)-231C, (−)-233D, and (−)-235B″
N. Toyooka, De-Jun Zhou, H. Nemoto, H. Garraffo +2 more
200623 citations
Semantic Scholar
Epibatidine: From Frog Alkaloid to Analgesic Clinical Candidates. A Testimonial to “True Grit”!
H. Garraffo, T. Spande, Michael Williams
200921 citations Open access
Semantic Scholar

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T. Spande×33
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T. Spande — researcher profile on SciRah
John W. Daly×14
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John W. Daly — researcher profile on SciRah
R. Saporito×11
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R. Saporito — researcher profile on SciRah
J. Daly×9
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J. Daly — researcher profile on SciRah

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P. Walter — researcher profile on SciRah

M. A. Donnelly×6

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M. A. Donnelly — researcher profile on SciRah

John W. Daly×6

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John W. Daly — researcher profile on SciRah

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Poonam Jain — researcher profile on SciRah

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T. Kaneko — researcher profile on SciRah

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T. H. Jones — researcher profile on SciRah

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Hong-Yi Cai — researcher profile on SciRah

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A. Sylvetsky — researcher profile on SciRah