Structure of Trichamide, a Cyclic Peptide from the Bloom-Forming Cyanobacterium Trichodesmium erythraeum, Predicted from the Genome Sequence S Sudek, MG Haygood, DTA Youssef, EW Schmidt Applied and environmental microbiology 72 (6), 4382-4387, 2006 | 146 | 2006 |
Constituents of the Egyptian Centaurea scoparia; III. Phenolic constituents of the aerial parts D Youssef, AW Frahm Planta Medica 61 (06), 570-573, 1995 | 115 | 1995 |
Acetophenones, a chalcone, a chromone and flavonoids from Pancratium maritimum DTA Youssef, MA Ramadan, AA Khalifa Phytochemistry 49 (8), 2579-2583, 1998 | 114 | 1998 |
Apratoxin H and Apratoxin A Sulfoxide from the Red Sea Cyanobacterium Moorea producens CC Thornburg, ES Cowley, J Sikorska, LA Shaala, JE Ishmael, ... Journal of natural products 76 (9), 1781-1788, 2013 | 111 | 2013 |
Salmahyrtisol A, a Novel Cytotoxic Sesterterpene from the Red Sea Sponge Hyrtios erecta DTA Youssef, RK Yamaki, M Kelly, PJ Scheuer Journal of natural products 65 (1), 2-6, 2002 | 96 | 2002 |
Pachycladins A−E, Prostate Cancer Invasion and Migration Inhibitory Eunicellin-Based Diterpenoids from the Red Sea Soft Coral Cladiella pachyclados HM Hassan, MA Khanfar, AY Elnagar, R Mohammed, LA Shaala, ... Journal of natural products 73 (5), 848-853, 2010 | 90 | 2010 |
Bioactive natural and semisynthetic latrunculins KA El Sayed, DTA Youssef, D Marchetti Journal of natural products 69 (2), 219-223, 2006 | 89 | 2006 |
Hyrtioerectines A−C, Cytotoxic Alkaloids from the Red Sea Sponge Hyrtios erectus DTA Youssef Journal of natural products 68 (9), 1416-1419, 2005 | 89 | 2005 |
Theonellamide G, a Potent Antifungal and Cytotoxic Bicyclic Glycopeptide from the Red Sea Marine Sponge Theonella swinhoei DTA Youssef, LA Shaala, GA Mohamed, JM Badr, FH Bamanie, ... Marine drugs 12 (4), 1911-1923, 2014 | 88 | 2014 |
Cyclic Depsipeptides, Grassypeptolides D and E and Ibu-epidemethoxylyngbyastatin 3, from a Red Sea Leptolyngbya Cyanobacterium CC Thornburg, M Thimmaiah, LA Shaala, AM Hau, JM Malmo, JE Ishmael, ... Journal of natural products 74 (8), 1677-1685, 2011 | 84 | 2011 |
Hepatoprotective effect of flavonol glycosides rich fraction from egyptianVicia calcarata desf. Against CCI4-induced liver damage in rats ANB Singab, DTA Youssef, E Noaman, S Kotb Archives of pharmacal Research 28, 791-798, 2005 | 84 | 2005 |
Burkholdines 1097 and 1229, Potent Antifungal Peptides from Burkholderia ambifaria 2.2N KA Tawfik, P Jeffs, B Bray, G Dubay, JO Falkinham III, M Mesbah, ... Organic letters 12 (4), 664-666, 2010 | 81 | 2010 |
Latrunculin A and Its C-17-O-Carbamates Inhibit Prostate Tumor Cell Invasion and HIF-1 Activation in Breast Tumor Cells KAE Sayed, MA Khanfar, HM Shallal, A Muralidharan, B Awate, ... Journal of natural products 71 (3), 396-402, 2008 | 78 | 2008 |
Bioactive Brominated Metabolites from the Red Sea Sponge Suberea mollis MI Abou-Shoer, LA Shaala, DTA Youssef, JM Badr, AAM Habib Journal of Natural Products 71 (8), 1464-1467, 2008 | 77 | 2008 |
Hyrtiazepine, an Azepino-indole-Type Alkaloid from the Red Sea Marine Sponge Hyrtios erectus P Sauleau, MT Martin, METH Dau, DTA Youssef, ML Bourguet-Kondracki Journal of natural products 69 (12), 1676-1679, 2006 | 77 | 2006 |
Sipholenol A, a marine‐derived sipholane triterpene, potently reverses P‐glycoprotein (ABCB1)‐mediated multidrug resistance in cancer cells Z Shi, S Jain, IW Kim, XX Peng, I Abraham, DTA Youssef, LW Fu, ... Cancer science 98 (9), 1373-1380, 2007 | 72 | 2007 |
Reversal of P-glycoprotein-mediated multidrug resistance by sipholane triterpenoids S Jain, S Laphookhieo, Z Shi, L Fu, S Akiyama, ZS Chen, DTA Youssef, ... Journal of natural products 70 (6), 928-931, 2007 | 72 | 2007 |
Sipholane triterpenoids: Chemistry, reversal of ABCB1/P-glycoprotein-mediated multidrug resistance, and pharmacophore modeling S Jain, I Abraham, P Carvalho, YH Kuang, LA Shaala, DTA Youssef, ... Journal of natural products 72 (7), 1291-1298, 2009 | 65 | 2009 |
Anticancer and anti-inflammatory sulfur-containing semisynthetic derivatives of sarcophine S Sawant, D Youssef, A Mayer, P Sylvester, V Wali, M Arant, K El Sayed Chemical and pharmaceutical bulletin 54 (8), 1119-1123, 2006 | 64 | 2006 |
Hurghadolide A and Swinholide I, Potent Actin-Microfilament Disrupters from the Red Sea Sponge Theonella s winhoei DTA Youssef, SL Mooberry Journal of natural products 69 (1), 154-157, 2006 | 63 | 2006 |