JAVED, Sumaira; AFRIDI, Muhammad Kabir Khan; HAMEED, Nadira; SADAF, Aisha; KHATTAK, Khabeer Ahmad; HUMAYUN, Sidra. RETRACTED: REGULATION OF CELL GROWTH AND KI-67 EXPRESSION BY GHRELIN: ANALYSIS OF PRIMARY BRAIN TUMOR CELL LINES: The article has been retracted at the request of the corresponding author due to concerns regarding the authenticity and integrity of the data. These concerns include ‘data fabrication or manipulation’’. In accordance with COPE (Committee on Publication Ethics) guidelines, the journal has retracted the article to maintain the integrity of the scientific record. Khyber Journal of Medical Sciences, [S. l.], v. 18, n. 2, p. 153–158, 2025. Disponível em: https://kjms.com.pk/index.php/kjms/article/view/765. Acesso em: 27 jan. 2026.