Lck Proteins, Antibodies, cDNA Clones Research Reagents

LCK (LCK Proto-Oncogene, Src Family Tyrosine Kinase, also known as LSK; YT16; IMD22; p56lck; pp58lck), located on 1p35.2, is conserved in chimpanzee, dog, cow, mouse, rat, chicken, zebrafish, and frog. The gene produces a 58001 Da protein composed of 509 amino acids. This gene is a member of the Src family of protein tyrosine kinases (PTKs). Diseases such as Immunodeficiency 22 and Autoimmune Cardiomyopathy are associated with LCK. The related pathways of LCK include RET signaling and CD28 co-stimulation.

Lck Protein (1)

    Lck Antibody (3)

      Lck cDNA Clone (30)

      NM_001042771.1

      克隆载体 cDNA 产品

      In lentiviral vector

      NM_010693.3

      克隆载体 cDNA 产品

      In lentiviral vector

      Lck qPCR Primer (1)

      Lck Lysate (1)

        Lck 分子背景

        Protein kinases are critically involved in signaling pathways that regulate cell growth, differentiation, activation, and survival. Initially identified as a T-cell specific member of the Src family of protein tyrosine kinases, Lck has become the object of intensive investigations which have revealed a key role for this kinase in the central processes controlling T-cell development, activation, proliferation, and survival. Lck is expressed specifically in lymphoid cells. It contains one protein kinase domain, one SH2 domain, and one SH3 domain. It is associated with a variety of cell surface receptors and is critical for signal transduction from the T-cell antigen receptor (TCR). Consequently, Lck is targeted by regulatory proteins of T-lymphotropic viruses, especially by the Herpesvirus saimiri (HVS) tyrosine kinase interacting protein (Tip). This oncoprotein physically interacts with Lck in HVS transformed T cells and has an impact on its catalytic activity. Together with the identification of defects in the regulation of Lck expression or activity in T-cell leukemias, suggests that dysregulation of Lck might play a role in neoplastic transformation. However, under certain conditions, Lck is also involved in the induction of apoptosis. This chemosensitizing effect of Lck is independent of T-cell receptor signaling and does not require the kinase activity of Lck. The findings demonstrate that Lck might be part of two independent signaling pathways leading to either cell proliferation or apoptosis.

        Lck 参考文献

        • Majolini MB, et al. (1999) Dysregulation of the protein tyrosine kinase LCK in lymphoproliferative disorders and in other neoplasias. Leuk Lymphoma. 35(3-4): 245-54.
        • Isakov N, et al. (2000) Lck protein tyrosine kinase is a key regulator of T-cell activation and a target for signal intervention by Herpesvirus saimiri and other viral gene products. Eur J Biochem. 267(12): 3413-21.
        • Heyninck K, et al. (2006) A novel link between Lck, Bak expression and chemosensitivity. Oncogene. 25(12): 1693-5.

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