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Acta Physiol Hung

Title:		Identification of sex-associated protein in the preputial gland of house rat (a new insight in rodent pest management)
Author(s):		Kamalakkannan S; Achiraman S; Rajkumar R; Kumar KR; Archunan G;
Address:		"Department of Animal Science, Bharathidasan University, Tiruchirappalli-620 024, Tamilnadu, India"
Journal Title:		Acta Physiol Hung
Year:		2006
Volume:		93
Issue:		2-Mar
Page Number:		145 - 152
DOI:		10.1556/APhysiol.93.2006.2-3.5
ISSN/ISBN:		0231-424X (Print) 0231-424X (Linking)
Abstract:		"Our recent findings revealed that the preputial gland of male house rat contains 20 kDa protein, however, the role of androgen in the production of this protein is not known. Hence, the present study was carried out to evaluate the androgen dependency of 20 kDa protein in the preputial gland of house rat (Rattus rattus) and to compare its presence in female clitoral gland. Further, on castration the amount of glandular protein in male was significantly decreased to a certain extent, while testosterone treatment on castrated males showed an increasing trend. The electrophorogram of male house rat showed six different protein fractions with molecular weights of 90, 70, 60, 50, 35 and 20 kDa. However, the 70, 60, 50 and 35 kDa were absent in female. Among the different fractions, 90 and 20 kDa proteins were prominent. On castration, the 20 kDa protein was disappeared; while on testosterone treatment the protein reappeared. Thus, the present study concludes that the 20 kDa protein is a testosterone dependent sex-associated protein. Since urinary protein is found to act as carrier for volatile substances in pheromonal communication. The present study suggests that the glandular protein may bind with the volatile compounds produced from preputial gland. Identification of this carrier protein in the preputial gland explores the possibility of developing pheromonal trap for rodent pest management (RPM)"
Keywords:		"Animals Carrier Proteins/*isolation & purification Clitoris/chemistry Electrophoresis, Polyacrylamide Gel Female Male Orchiectomy Penis/chemistry Rats Sebaceous Glands/*chemistry Sex Attractants/*urine Testosterone/pharmacology;"
Notes:		"MedlineKamalakkannan, S Achiraman, S Rajkumar, R Kumar, K Ramesh Archunan, G eng Research Support, Non-U.S. Gov't Hungary 2006/10/27 Acta Physiol Hung. 2006 Jun; 93(2-3):145-52. doi: 10.1556/APhysiol.93.2006.2-3.5"