Abstract: The problem of the present invention is to prove a medicament for decreasing body weigh, a medicament for decreasing visceral fat, a medicament for decreasing triglyceride in the liver, and a method for screening a medicament for ameliorating obesity and fatty liver. The problem is solved by a method comprising measuring an activity of a candidate material for inhibiting a sphingomyelin synthetase wherein if the candidate material has an activity for inhibiting a sphingomyelin synthetase, the candidate material is judged to have at least one function selected from the consisting of an anti-obesity drug, a drug for decreasing visceral fat, a drug for treating fatty liver and an agent for increasing adiponectin expression.

Abstract: The present invention is directed to providing a medicament for treating or preventing a condition, disorder or disease associated with amyloid ?. Provided is a method for screening a medicament for treating or preventing a disease associated with amyloid ?, the method comprising: A) subjecting at least one of elements selected from the group consisting of 1) exosome; 2) neutral sphingomyelinase 2 (N-SMase2); and 3) sphingomyelin synthetic enzyme 2 (SMS2), and a candidate of the medicament in a condition in which they can interact with each other; and B) examining an influence by the candidate of the medicament to the element, wherein at least one of the elements is used as an index for determining as to whether or not the candidate is the medicament.

Abstract: The problem of the present invention is to prove a medicament for decreasing body weigh, a medicament for decreasing visceral fat, a medicament for decreasing triglyceride in the liver, and a method for screening a medicament for ameliorating obesity and fatty liver. The problem is solved by a method comprising measuring an activity of a candidate material for inhibiting a sphingomyelin synthetase wherein if the candidate material has an activity for inhibiting a sphingomyelin synthetase, the candidate material is judged to have at least one function selected from the consisting of an anti-obesity drug, a drug for decreasing visceral fat, a drug for treating fatty liver and an agent for increasing adiponectin expression.

Abstract: Disclosed is a method for screening for a medicinal agent that can decrease a body weight, a medicinal agent that can reduce a visceral fat, a medicinal agent that can reduce a triglyceride in the liver, and a medicinal agent that can ameliorate obesity and fatty liver. The method involves a step of measuring the inhibitory activity of a candidate substance on a sphingomyelin synthase, wherein the candidate substance is determined to have at least one function selected from the group consisting of an anti-obesity agent, a visceral fat-reducing agent, a fatty liver-treating agent and an adiponectin expression enhancer when the candidate substance has an inhibitory activity on the sphingomyelin synthase.

Abstract: The present invention relates to a novel sphingolipid ceramide N-deacylase (SCDase) having a wide substrate specificity; a method for enzymatically producing a lysosphingolipid or a sphingolipid derivative using the SCDase which is useful in the fields of medicine, carbohydrate engineering, cell engineering, and the like; the lysosphingolipid or sphingolipid derivative obtained by this production method; a gene which encodes a polypeptide having an SCDase activity useful in sphingolipid technology; a method for industrially producing a polypeptide having an SCDase deacylase activity and a recombinant polypeptide thereof using a transformant to which the gene is introduced; a probe or primer which hybridizes to the gene; and an antibody or a fragment thereof which specifically binds to the polypeptide.

Abstract: The present invention relates to a novel sphingolipid ceramide N-deacylase (SCDase) having a wide substrate specificity; a method for enzymatically producing a lysosphingolipid or a sphingolipid derivative using the SCDase which is useful in the fields of medicine, carbohydrate engineering, cell engineering, and the like; the lysosphingolipid or sphingolipid derivative obtained by this production method; a gene which encodes a polypeptide having an SCDase activity useful in sphingolipid technology; a method for industrially producing a polypeptide having an SCDase deacylase activity and a recombinant polypeptide thereof using a transformant to which the gene is introduced; a probe or primer which hybridizes to the gene; and an antibody or a fragment thereof which specifically binds to the polypeptide.

Abstract: The present invention relates to a novel sphingolipid ceramide N-deacylase (SCDase) having a wide substrate specificity; a method for enzymatically producing a lysosphingolipid or a sphingolipid derivative using the SCDase which is useful in the fields of medicine, carbohydrate engineering, cell engineering, and the like; the lysosphingolipid or sphingolipid derivative obtained by this production method; a gene which encodes a polypeptide having an SCDase activity useful in sphingolipid technology; a method for industrially producing a polypeptide having an SCDase deacylase activity and a recombinant polypeptide thereof using a transformant to which the gene is introduced; a probe or primer which hybridizes to the gene; and an antibody or a fragment thereof which specifically binds to the polypeptide.

Abstract: The present invention relates to a novel sphingolipid ceramide N-deacylase (SCDase) having a wide substrate specificity; a method for enzymatically producing a lysosphingolipid or a sphingolipid derivative using the SCDase which is useful in the fields of medicine, carbohydrate engineering, cell engineering, and the like; the lysosphingolipid or sphingolipid derivative obtained by this production method; a gene which encodes a polypeptide having an SCDase activity useful in sphingolipid technology; a method for industrially producing a polypeptide having an SCDase deacylase activity and a recombinant polypeptide thereof using a transformant to which the gene is introduced; a probe or primer which hybridizes to the gene; and an antibody or a fragment thereof which specifically binds to the polypeptide.

Abstract: The present invention relates to a novel sphingolipid ceramide N-deacylase (SCDase) having a wide substrate specificity; a method for enzymatically producing a lysosphingolipid or a sphingolipid derivative using the SCDase which is useful in the fields of medicine, carbohydrate engineering, cell engineering, and the like; the lysosphingolipid or sphingolipid derivative obtained by this production method; a gene which encodes a polypeptide having an SCDase activity useful in sphingolipid technology; a method for industrially producing a polypeptide having an SCDase deacylase activity and a recombinant polypeptide thereof using a transformant to which the gene is introduced; a probe or primer which hybridizes to the gene; and an antibody or a fragment thereof which specifically binds to the polypeptide.