Advances in researches on lactate dehydrogenase-C4 isozyme.
	    		
		   		
	    	
    	
    	
   		
        
        	
        	
        	
        		- Author:
	        		
		        		
		        		
			        		Yong-Zhong XIONG
			        		
			        		
			        		
			        			1
			        			
			        		
			        		
			        		
			        		
			        		;
		        		
		        		
		        		
			        		Feng-Hua LAN
			        		
			        		
		        		
		        		
		        		
		        		
		        			
			        		
			        		Author Information
			        		
		        		
		        		
			        		
			        		
			        			1. Center for Laboratory Medicine, Fuzhou General Hospital, PLA, Fuzhou, Fujian 350025, China.
			        		
		        		
	        		
        		 
        	
        	
        	
        		- Publication Type:Journal Article
 
        	
        	
            
            	- MeSH:
            	
	        			
	        				
	        				
				        		
					        		Animals;
				        		
			        		
				        		
					        		Humans;
				        		
			        		
				        		
					        		Isoenzymes;
				        		
			        		
				        		
					        		genetics;
				        		
			        		
				        		
					        		immunology;
				        		
			        		
				        		
					        		L-Lactate Dehydrogenase;
				        		
			        		
				        		
					        		genetics;
				        		
			        		
				        		
					        		immunology;
				        		
			        		
				        		
					        		Male;
				        		
			        		
				        		
					        		Mice;
				        		
			        		
				        		
					        		Papio;
				        		
			        		
				        		
					        		Rabbits;
				        		
			        		
				        		
					        		Spermatozoa;
				        		
			        		
				        		
					        		enzymology;
				        		
			        		
				        		
					        		Transcription, Genetic;
				        		
			        		
				        		
					        		Vaccines, Contraceptive;
				        		
			        		
				        		
					        		immunology
				        		
			        		
	        			
	        			
            	
            	
 
            
            
            	- From:
	            		
	            			National Journal of Andrology
	            		
	            		 2003;9(8):607-610
	            	
            	
 
            
            
            	- CountryChina
 
            
            
            	- Language:Chinese
 
            
            
            	- 
		        	Abstract:
			       	
			       		
				        
				        	Lactate dehydrogenase-C4 isozyme has been widely studied as the sperm-specific antigen in the research of the contraceptive vaccine. Developmental and testis-specific expression of the LDH-C gene requires mechanisms for activation in germ cells and repression in somatic cells. LDH-C promoter, several transcription factors and methylation of CpG dinucleotides have been proved of governing action on LDH-C gene transcription. The strategy is to induce antibodies in the female reproductive tract against LDH-C antigens at a sufficient level to block fertilization. Chemically modified LDH-C4 offers a potential application in the induction of infertility of homologous species in marked contrast to native LDH-C4. In addition, advances are being made in researches on the male contraceptive vaccine and synthetic peptide immunocontraceptive.