Abstract: A compound useful as an antifungal agent, particularly a therapeutic agent for deep-seated mycoses, is provided. A fungus Acremonium persicinum was collected, and cyclic compounds were isolated from culture liquids thereof. The present inventors confirmed that the cyclic compounds or salts thereof have a potent antifungal activity and are useful as medicaments, particularly an antifungal agent, and thus the present invention was completed. The cyclic compound and the salt thereof according to the present invention can be used as an agent for preventing or treating mycoses, particularly deep-seated mycoses.

Abstract: The present invention relates to a new compound useful as a modulator of melanocortin receptors. In particular, the present invention relates to a compound WS727713, a process for production of the compound by culturing, in a culture medium, a WS727713-producing strain belonging to Pseudonocardia and recovering the compound from a culture broth, a pharmaceutical composition containing the compound, and uses of the compound.

Abstract: The present invention relates to a new compound useful as a modulator of melanocortin receptors. In particular, the present invention relates to a compound WS727713, a process for production of the compound by culturing, in a culture medium, a WS727713-producing strain belonging to Pseudonocardia and recovering the compound from a culture broth, a pharmaceutical composition containing the compound, and uses of the compound.

Abstract: The present invention relates to a new compound useful as a modulator of melanocortin receptors.

Abstract: A compound useful as an antifungal agent, particularly a therapeutic agent for deep-seated mycoses, is provided. A fungus Acremonium persicinum was collected, and cyclic compounds were isolated from culture liquids thereof. The present inventors confirmed that the cyclic compounds or salts thereof have a potent antifungal activity and are useful as medicaments, particularly an antifungal agent, and thus the present invention was completed. The cyclic compound and the salt thereof according to the present invention can be used as an agent for preventing or treating mycoses, particularly deep-seated mycoses.

Abstract: The present invention relates to a new compound useful as a modulator of melanocortin receptors.

Abstract: The present invention relates to a compound WS727713, useful as a modulator of melanocortin receptors, and a process for its production by culturing in a culture medium the actinomycetes strain of the genus Pseudonocardia, deposit number FERM BP-7570 and recovering the compound.

Abstract: A cyclic peptide compound of the following general formula (I): Wherein R1, R2 and R3 are defined in the description, or a salt thereof. The compound (I) is useful for the prophylactic and/or therapeutic treatment of hepatitis C.

Abstract: A cyclic peptide compound of the following general formula (I): Wherein R1, R2 and R3 are defined in the description, or a salt thereof. The compound (I) is useful for the prophylactic and/or therapeutic treatment of hepatitis C.

Abstract: The present invention relates to a new compound useful as a modulator of melanxocortin receptors.

Abstract: The present invention provides a new antimicrobial compound WF14573, and a process for producing WF14573 by (a) culturing a WF14573A and/or B-producing microorganism in a nutrient medium and recovering WF14573A and/or B from the resultant cultured broth or (b) deacylating WF14573A and/or B in the presence of a microbial substance which is capable of deacylating WF14573A and/or B. Also provided are an antimicrobial agent comprising WF14573 and carrier(s), a pharmaceutical composition comprising an effective amount of WF14573 and pharmaceutically acceptable carrier(s), a method for killing microorganisms by applying WF14573 to the microorganisms, and use of WF14573 for the treatment of infectious diseases caused by pathogenic microorganisms.

Abstract: This invention relates to new polypeptide compound represented by the following formula (I), wherein R1, R2, R3, R4, R5, R6, and R7 are described in the specification, or a salt thereof which have antimicrobial activities (especially, antifungal activities), inhibitory activity on &bgr;-1,3-glucan synthase, to process for preparation thereof, to a pharmaceutical composition comprising the same, and to a method for the prophylactic and/or therapeutic treatment of infectious diseases including Pneumocystis carinii infection (e.g. Pneumocystis carinii pneumonia) in a human being or an animal.

Abstract: A cyclic tetrapeptide compound and use thereof.

Abstract: The present invention provides a new bioactive compound of formula (I), which has an antimicrobial activity against pathogenic microorganisms, and a process for production thereof. Also provided are a pharmaceutical composition comprising the compound and pharmaceutically acceptable carrier, a use of the WF002 as a medicament and use of the compound for manufacture of the medicament for treatment of infectious disease.

Abstract: This invention relates to new polypeptide compounds represented by the following formula (I): wherein R1 is as defined in the description or a salt thereof which have antimicrobial activities (especially, antifungal activities), inhibitory activity on &bgr;-1,3-glucan synthase, to process for preparation thereof, to a pharmaceutical composition comprising the same, and to a method for the prophylactic and/or therapeutic treatment of infectious disease including Pneumocystis carinii infection (e.g., Pneumocystis carinii pneumonia) in a human being or an animal.

Abstract: The invention relates to new polypeptide compounds represented by the following formula [I]: wherein R1 is hydrogen, etc, R2 is hydrogen, etc, R3 is hydrogen, etc, and R4 is hydrogen, etc, or a salt thereof which have antimicrobial activities (especially, antifungal activities), inhibitory activity on &bgr;-1,3-glucan synthase, to process for preparation thereof, to a pharmaceutical composition comprising the same, and to a method for the prophylactic and/or therapeutic treatment of infectious diseases including Pneumocystis carinii infection (e.g. Pneumocystis carinii pneumonia) in a human being or an animal.

Abstract: The present invention relates to a novel fatty acid derivative of the following formula: ##STR1## wherein R.sup.1 is acyl group, etc.;R.sup.2 is acyl(lower)alkyl;R.sup.3 is lower alkyl, etc.;R.sup.4 is hydrogen, etc.; andX is --O--, etc;and a pharmaceutically acceptable salt thereof, which is useful as a medicament; the processes for the preparation of said fatty acid derivative or a salt thereof; a pharmaceutical composition comprising said fatty acid derivative or a pharmaceutically acceptable salt thereof; etc.

Abstract: The present invention relates to a novel polypeptide having the following presumed structure: ##STR1## and the compound has both excellent fungicidal and protozoicidal effects.

Abstract: WB2663 substance-producing bacteria belonging to the genus Pseudomonas are cultured to produce a physiologically active substance, from which are isolated neutral substances WB2663A, WB2663B and WB2663C having respective specific rotations[.alpha.].sub.D.sup.23 : -36.degree. (C=0.5, CH.sub.2 Cl.sub.2),[.alpha.].sub.D.sup.23 : -12.degree. (C=0.5, CH.sub.2 Cl.sub.2),[.alpha.].sub.D.sup.23 : -9.degree. (C=0.5, CH.sub.2 Cl.sub.2),These substances have an excellent antitumor effect.

Abstract: The invention relates to a method of producing cyclosporin A and/or C which is characterized by culturing a cyclosporin A and/or C-producing strain of microorganism belonging to the genus Nectria (e.g. Nectria sp. F-4908) and recovering cyclosporin A and/or C from the resulting cultured broth.