Azaftig, a proteoglycan for monitoring cachexia and for...

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 14/47 (2006.01) A61K 38/17 (2006.01) C07K 16/18 (2006.01) G01N 33/68 (2006.01)

Patent

CA 2335937

A proteoglycan ("azaftig") with a molecular weight of approximately 24,000 Dalton has been isolated and partially characterized from the urine of cachectic cancer and non-cancer patients. Azaftig has been shown to bind to receptors on fat cell membranes, and to cause lipolysis. Azaftig does not bind to muscle cell membranes, or cause proteolysis in muscle tissue. Azaftig detection in urine or other body fluids will allow early identification of patients in which weight loss may become a problem. Azaftig may also aid fat loss in humans in which obesity is a threat to health.

L'invention concerne un protéoglycane ("azaftig") ayant une masse moléculaire d'environ 24.000 u.m.a. qui a été isolé et partiellement caractérisé à partir de l'urine de sujets souffrant de cancer cachectique et de sujets ne souffrant pas d'un cancer. Il a été démontré qu'azaftig se lie aux récepteurs sur les membranes de cellules adipeuses et qu'il provoque une lipolyse. En revanche, azaftig ne se lie pas aux membranes de cellules musculaires et ne provoque pas de protéolyse dans les tissus musculaires. La détection d'azaftig dans l'urine ou dans d'autres fluides corporels permettra l'identification précoce de sujets chez lesquels la perte de poids est susceptible de devenir un problème. Azaftig peut également stimuler la perte de graisse chez les êtres humains menacés d'obésité.

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