Immunogen sequence: NKQGANSRPV NQTPPPEGEK LHSDSGISVD SQSLHDQQPH TQTASGQALK GDGGLYSSLP PAKREEVEKL LNGSAGDTWR HLAGELGYQP EHIDSFTHEA CPVRALLASW ATQDSATLDA LLAALRRIQR ADLVESLCSE S. Neurotrophic factors control the survival, differentiation and maintenance of