Immune reactivity to HER-2/neu protein for diagnosis and treatment of malignancies in which the HER-2/neu oncogene is associated

An isolated peptide consisting of one of the amino acid sequences:

• (Seq. ID No. 3)
• Pro-Leu-Thr-Ser-Ile-Ile-Ser-Ala-Val;
• (Seq. ID No. 4)
• Ile-Leu-Leu-Val-Val-Val-Leu-Gly-Val;
• (Seq. ID No. 5)
• Leu-Leu-Val-Val-Val-Leu-Gly-Val-Val;
• (Seq. ID No. 6)
• Arg-Leu-Leu-Gln-Glu-Thr-Glu-Leu-Val;
• (Seq. ID No. 8)
• Asp-Leu-Ala-Ala-Arg-Asn-Val-Leu-Val;
• (Seq. ID No. 10)
• Thr-Leu-Ser-Pro-Gly-Lys-Asn-Gly-Val;
• (Seq. ID No. 20)
• Asp-Leu-Leu-Glu-Lys-Gly-Glu-Arg-Leu;
• (Seq. ID No. 23)
• Asp-Leu-Val-Asp-Ala-Glu-Glu-Tyr-Leu;
• (Seq. ID No. 26)
• Gln-Leu-Phe-Glu-Asp-Asn-Tyr-Ala-Leu;
• (Seq. ID No. 27)
• Lys-Ile-Phe-Gly-Ser-Leu-Ala-Phe-Leu;
• (Seq. ID No. 28)
• Ile-Leu-Asp-Glu-Ala-Tyr-Val-Met-Ala-Gly-Val;
• (Seq. ID No. 29)
• Val-Met-Ala-Gly-Val-Gly-Ser-Pro-Tyr-Val;
• (Seq. ID No. 70)
• Ile-Ile-Ser-Ala-Val-Val-Gly-Ile-Leu.