Dr. Ko Ka-shun (°ª¥[«H³Õ¤h)

Publications
Author/Editor Title Source Year
KO, J.K.S. & CHO, C.H. Adaptive cytoprotection and the brain-gut axis Digestion, 83(Suppl.1):19-24 2011
KO, J.K.S., AUYEUNG, K.K.W. & LAW, P.C. Astragalus saponins: the multiple-targeting anticarcinogenic and antimetastatic agent in combating colon cancers In: The Proceedings and Program Book of ISREC Symposium 2011, Hallmarks and Horizons of Cancer, September 7-10, 2011; Lausanne, Switzerland. p.111 2011
WONG, H.P., HO, J.W., KOO, M.W., YU, L., WU, W.K., LAM, E.K., TAI, E.K., KO, J.K., SHIN, V.Y., CHU, K.M. & CHO, C.H. Effects of adrenaline in human colon adenocarcinoma HT-29 cells Life Sciences, 88(25-26):1108-1112 2011
KO, J.K.S. & LEUNG, C.C.Y. Ginger extract and polaprezinc exert gastroprotective actions by antioxidant and growth factor modulating effects in rats Journal of Gastroenterology and Hepatology, 25:1861-1869 2010
AUYEUNG, K.K.W. & KO, J.K.S. Novel herbal flavonoids promote apoptosis but differentially induce cell cycle arrest in human colon cancer cell Investigational New Drugs, 28:1-13 2010
KO, J.K.S., AUYEUNG, K.K.W. & LAW, P.C. The synergistic antitumorigenic effects of vinblastine and total Astragalus saponins (AST) with reduced invasiveness of colon cancer cells  European Journal of Cancer, 8 (7 Suppl.), 138.  (22nd EORTC-NCI-AACR Symposium on ¡¥Molecular Targets and Cancer Therapeutics¡¦, co-organized by the American Association for Cancer Research, November 16-19, 2010; Berlin, Germany) 2010
AUYEUNG, K.K., CHO, C.H. & KO, J.K.S. A novel anticancer effect of Astragalus saponins: transcriptional activation of NSAID-activated gene International Journal of Cancer, 125:1082-1091 2009
AUYEUNG, K.K.W., LAW, P.C. & KO, J.K.S. Astragalus saponins induces apoptosis via an ERK-independent NF-kB signaling pathway in the human hepatocellular HepG2 cell line International Journal of Molecular Medicine, 23:189-196. 2009
AUYEUNG, K.K.W. & KO, J.K.S. Coptis chinensis inhibits hepatocellular carcinoma cell growth through nonsteroidal anti-inflammatory drug-activated gene activation International Journal of Molecular Medicine, 24:571-577 2009
KO, J.K.S. & AUYEUNG, K.K.W. Molecular targeting of phytochemicals in gastrointestinal cancers Journal of Physiology and Pharmacology 60 (Suppl. 2), 45. (13th International Conference on Gastrointestinal Research and 13th International Conference on Ulcer Research, September 10-16; Split, Croatia) 2009
KO, J.K.S. Profiling of the action mechanisms and molecular targets of novel chemotherapeutics derived from herbal source in gastrointestinal cancers In: The Programme Book of the BIT¡¦s 2nd Annual World Cancer Congress 2009, June 22-25, 2009; Beijing, China. p.87 2009
KO, J.K.S. & CHIK, C.W.S. The protective action of radix Astragalus membranaceus against hapten-induced colitis through modulation of cytokines Cytokine, 47:85-90. 2009
KO, J.K.S., MOK, N.L., WONG, C.M. & AUYEUNG, K.K.W. Astragalus saponins (AST) modulate mTOR and ERK signaling with NF-kappa B as target in native and cytokine-induced HT-29 colon cancer cells European Journal of Cancer 6 (12 Suppl.), 179-180. (20th EORTC-NCI-AACR Symposium on ¡¥Molecular Targets and Cancer Therapeutics¡¦, co-organized by the American Association for Cancer Research, October 21-24, 2008; Geneva, Switzerland) 2008
KO, J.K.S. & AUYEUNG, K.K.W. Astragalus saponins induce apoptosis in human gastric adenocarcinoma cells via a caspase 3-dependent pathway Journal of Shenyang Pharmaceutical University,  25 (Suppl.), 6 ; Symposium between Mainland and Hong Kong on Pharmacology and Clinical Pharmacology, October 10-13, 2008; Shenyang, China 2008
KO, J.K.S. & AUYEUNG, K.K.W. Herbal (Astragalus) saponins inhibit HepG2 cell growth and promote apoptosis through NF-kB and ERK signaling In: Proceedings of the 99th Annual Meeting of the American Association for Cancer Research 2008, April 12-16, 2008; San Diego, California, U.S.A. Abstract no. 2276 2008
Auyeung, K. K. W., P. L. Liu, C. Chan, W. Y. Wu, S. S. T. Lee & J. K. S. Ko. Herbal Isoprenols Induce Apoptosis in Human Colon Cancer Cells through Transcriptional Activation of PPAR Gamma Cancer Investigation, 26:708-717 2008
KO, J.K.S Radix Astragali extract as potential anti-carcinogenic agent: from pro-apoptotic activity to identification of molecular targets In: The Programme and Abstract Book of the International Symposium on Gastrointestinal Inflammation and Cancer: from Etiology to Therapy, September 26-28, 2008; Beijing, China. p.30-31 2008
TIN, M.M.Y., CHO, C.H., CHAN, K., JAMES, A.E. & KO, J.K.S. Astragalus saponins induce growth inhibition and apoptosis in human colon cancer cells and tumor xenograft Carcinogenesis, 28(6):1347-1355 2007
KO, J. K. S., AUYEUNG, K.K.W., TIN, M.M.Y. & CHO, C.H. Astragalus Saponins Induce Transcriptional Activation of NSAID-Activated Gene (NAG-1) in Colon Cancer Cells Via a PI3K-Akt/Egr-1 Signaling Pathway Gastroenterology, 132 (Suppl.):A423 2007
KO, J.K.S., LEUNG, W.C., HO, W.K. & CHIU, P. Herbal diterpenoids induce growth arrest and apoptosis in colon cancer cells with increased expression of the nonsteroidal anti-inflammatory drug-activated gene European Journal of Pharmacology, 559:1-13 2007
KO, J.K.S., TIN, M.M.Y., CHO, C.H. & CHAN, K.K.C. Astragalus Saponins Induce Inhibition of Cell Proliferation in Association with COX-Independent Overexpression of NAG-1 in Colon Cancer Cells Gastroenterology, 130(Suppl. 2):A583 2006
KO, J.K.S., CHO, C.H. & CHAN, K.K.C. A Comparative Study of the Antitumor Effects of a Novel Herbal Extract and 5-Fu/oxaliplain in a Colon Tumor Xenograft Model Gastroenterology, 128(Suppl. 2):A178 2005
KO, J.K.S., LAM, F.Y.L. & CHEUNG, A.P.L. Amelioration of experimental colitis by Astragalus membranaceus through anti-oxidation and inhibition of adhesion molecule synthesis World Journal of Gastroenterology, 11 (37):5787-5794 2005
CHO, C.H. & KO, J.K.S. Herbal medicines and animal models of gastrointestinal diseases In: S. Gad (ed.) Drug Discovery Handbook. John Wiley & Sons: Hoboken, U.S.A. Chapter 22, pp.1013-1035 2005
KO, J.K.S. & CHO, C.H. The diverse actions of nicotine and different extracted fractions from tobacco smoke against hapten-induced colitis in rats Toxicological Sciences, 87(1):285-295 2005
KO, J.K.S. A Preliminary Study of the Effects of Astragali Radix Extract on Apoptosis and Immunomodulation in Human Colonic Cancer Cells Journal of Leukocyte Biology, Suppl 2004:56-57 2004
KO, J.K.S., CHO, C.H. & LAM, S.K. Adaptive cytoprotection through modulation of nitric oxide in ethanol-evoked gastritis World Journal of Gastroenterology 10, 2503-2508. 2004
KO, J.K.S. Amelioration of Hapten-Induced Colitis by Radix Astragalus Membranaceus through Modulation of Cytokines Toxicology and Applied Pharmacology, 197:344.  2004
CHO, C.H., KO, J.K.S. & KOO, M.W.L. Perspective and clinical significance of eicosanoids in the digestive system In: P. Curtis-Prior (ed.) The Eicosanoids. John Wiley & Sons: London. Chapter 36, pp.407-414 2004
KO, J.K.S. & C.H. CHO A Preliminary Study of the Immunomodulation by Radix Angelica Sinensis (Chinese Dangguai) and Heparin in Experimental Colitis Gastroenterology, 124(Suppl.):A494-495 2003
LUK, H.H., KO, J.K., FUNG, H.S. & CHO, C.H. Delineation of the protective action of zinc sulfate on ulcerative colitis in rats European Journal of Pharmacology 443, 197-204 2002
GUO, X., KO, J.K.S., MEI, Q.B. & CHO, C.H. Aggravating effect of cigarette smoke exposure on experimental colitis is associated with leukotriene B4 and reactive oxygen metabolites Digestion 63, 180-187 2001
KO, J.K.S., SHAM, N.F., GUO, X. & CHO, C.H. Beneficial intervention of experimental colitis by passive cigarette smoking through the modulation of cytokines in rats Journal of Investigative Medicine 49, 21-29 2001
GUO, X., LIU, E.S.L., KO, J.K.S., WONG, B.C.Y., YE, Y., LAM, S.K. & CHO, C.H. Protective role of cyclooxygenase inhibitor in the adverse action of passive cigarette smoking on the initiation of experimental colitis in rats European Journal of Pharmacology 411, 193-203 2001
KO, J.K.S. & CHO, C.H. Co-regulation of mucosal nitric oxide and prostaglandins in gastric defensive mechanisms and their roles in adaptive cytoprotection Inflammation Research 48, 471-478 1999
GUO, X., WANG, W.P., KO, J.K.S. & CHO, C.H. Involvement of neutrophils and free radicals in the potentiating effects of passive cigarette smoking on inflammatory bowel disease in rats Gastroenterology, 117:884-892 1999
KO, J.K.S. & CHO, C.H. A histological study on the mechanisms of adaptive cytoprotection on ethanol-induced mucosal damage in rat stomachs Digestive Diseases and Sciences 43, 1248-1257 1998
KO, J.K.S., MA, J.J., CHOW, J.Y.C. & CHO, C.H. The correlation of the weakening effect on gastric mucosal integrity by 5-HT with neutrophil activation Free Radical Biology and Medicine 24, 1007-1014 1998
KO, J.K.S., CHING, C.K., CHOW, J.Y.C., ZHANG, S.T., LAM, S.K. & CHO, C.H. The vascular and glandular organoprotective properties of metronidazole in the rodent stomach Alimentary Pharmacology and Therapeutics 11, 811-819 1997
KO, J.K.S. & CHO, C.H. Adaptive gastric mucosal cytoprotection in rats: different modes of action by three mild irritants Digestion 57, 54-59 1996
KO, J.K.S. & CHO, C.H. The antilesion actions of anticholinergic agents on ethanol-induced injury in rat stomachs: The importance of gastric vascular integrity and tonicity Journal of Autonomic Pharmacology 16, 117-125 1996
KO, J.K.S. & CHO, C.H. Leucocyte-endothelial interactions in the vasculature following inflammation of the gastric mucosa Journal of Gastroenterology and Hepatology 10, 469-470 1995
KO, J.K.S. & CHO, C.H. The mechanistic pathway of gastric adaptive cytoprotection: a study on different components of the autonomic nervous system Journal of Autonomic Pharmacology 15, 205-214 1995
CHAN, Y.S., KO, J.K.S. & CHO, C.H. The role of dorsal motor nucleus of vagus in gastric function and mucosal damage induced by ethanol in rats Digestive Diseases and Sciences 40, 2312-2316 1995
KO, J.K.S. & CHO, C.H. The role of non-protein sulfhydryl compounds in gastric adaptive cytoprotection against ethanol-induced mucosal damage in rats Inflammation Research 44, 242-244 1995

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