تیروزین پروتئین کیناز پروتو-اونکوژنِ Fyn (انگلیسی: Proto-oncogene tyrosine-protein kinase Fyn) یک پروتئین است که در انسان توسط ژن «FYN» کُدگذاری میشود.[۴]
این پروتئین ۵۹ کیلو دالتون وزن دارد و در سیگنالینگ یاختههای عصبی و لنفوسیتهای تی در ارتباط است و هرگونه تداخل در این مسیرهای سیگنالینگ در بروز سرطان نقش دارد.
این پروتئین در تنظیم رشد سلولی نیز دخالت دارد و جهش در آن بسیاری از فرایندهای طبیعی سلولی را برهم میزند.[۵][۶]
خانوادهٔ Src کینازها، که پروتئینِ Fyn یکی از آنهاست،[۹] از طریقِ «تهاجم و پیشرفت تومور، عبور از اپیتلیال به مزانشیمال، رگزایی، و ایجاد متاستاز» در پیشرفت سرطان نقش دارند.[۱۰]
افزایش بیش از حدِ پروتئین Fyn بهطور شایع با سرطانهای زیر مرتبط است:[۵][۱۱]
↑Zamoyska R, Basson A, Filby A, Legname G, Lovatt M, Seddon B (February 2003). "The influence of the src-family kinases, Lck and Fyn, on T cell differentiation, survival and activation". Immunological Reviews. 191 (1): 107–18. doi:10.1034/j.1600-065X.2003.00015.x. PMID12614355.
↑Palacios EH, Weiss A (October 2004). "Function of the Src-family kinases, Lck and Fyn, in T-cell development and activation". Oncogene. 23 (48): 7990–8000. doi:10.1038/sj.onc.1208074. PMID15489916.
↑Cleghon V, Morrison DK (July 1994). "Raf-1 interacts with Fyn and Src in a non-phosphotyrosine-dependent manner". J. Biol. Chem. 269 (26): 17749–55. PMID7517401.
↑Bull HA, Brickell PM, Dowd PM (August 1994). "Src-related protein tyrosine kinases are physically associated with the surface antigen CD36 in human dermal microvascular endothelial cells". FEBS Lett. 351 (1): 41–4. doi:10.1016/0014-5793(94)00814-0. PMID7521304.
↑Wenzel J, Sanzenbacher R, Ghadimi M, Lewitzky M, Zhou Q, Kaplan DR, Kabelitz D, Feller SM, Janssen O (December 2001). "Multiple interactions of the cytosolic polyproline region of the CD95 ligand: hints for the reverse signal transduction capacity of a death factor". FEBS Lett. 509 (2): 255–62. doi:10.1016/s0014-5793(01)03174-x. PMID11741599.
↑Hane M, Lowin B, Peitsch M, Becker K, Tschopp J (October 1995). "Interaction of peptides derived from the Fas ligand with the Fyn-SH3 domain". FEBS Lett. 373 (3): 265–8. doi:10.1016/0014-5793(95)01051-f. PMID7589480.
↑Messina S, Onofri F, Bongiorno-Borbone L, Giovedì S, Valtorta F, Girault JA, Benfenati F (January 2003). "Specific interactions of neuronal focal adhesion kinase isoforms with Src kinases and amphiphysin". J. Neurochem. 84 (2): 253–65. doi:10.1046/j.1471-4159.2003.01519.x. PMID12558988.
↑Arold ST, Ulmer TS, Mulhern TD, Werner JM, Ladbury JE, Campbell ID, Noble ME (May 2001). "The role of the Src homology 3-Src homology 2 interface in the regulation of Src kinases". J. Biol. Chem. 276 (20): 17199–205. doi:10.1074/jbc.M011185200. PMID11278857.
↑Klein C, Kramer EM, Cardine AM, Schraven B, Brandt R, Trotter J (February 2002). "Process outgrowth of oligodendrocytes is promoted by interaction of fyn kinase with the cytoskeletal protein tau". J. Neurosci. 22 (3): 698–707. doi:10.1523/JNEUROSCI.22-03-00698.2002. PMID11826099.
O'Sullivan E, Kinnon C, Brickell P (1999). "Wiskott-Aldrich syndrome protein, WASP". Int. J. Biochem. Cell Biol. 31 (3–4): 383–7. doi:10.1016/S1357-2725(98)00118-6. PMID10224664.
Sasaoka T, Kobayashi M (2000). "The functional significance of Shc in insulin signaling as a substrate of the insulin receptor". Endocr. J. 47 (4): 373–81. doi:10.1507/endocrj.47.373. PMID11075717.
Leavitt SA, SchOn A, Klein JC, Manjappara U, Chaiken IM, Freire E (2004). "Interactions of HIV-1 proteins gp120 and Nef with cellular partners define a novel allosteric paradigm". Curr. Protein Pept. Sci. 5 (1): 1–8. doi:10.2174/1389203043486955. PMID14965316.
Tolstrup M, Ostergaard L, Laursen AL, Pedersen SF, Duch M (2004). "HIV/SIV escape from immune surveillance: focus on Nef". Curr. HIV Res. 2 (2): 141–51. doi:10.2174/1570162043484924. PMID15078178.
Joseph AM, Kumar M, Mitra D (2005). "Nef: "necessary and enforcing factor" in HIV infection". Curr. HIV Res. 3 (1): 87–94. doi:10.2174/1570162052773013. PMID15638726.
1a0n: NMR STUDY OF THE SH3 DOMAIN FROM FYN PROTO-ONCOGENE TYROSINE KINASE COMPLEXED WITH THE SYNTHETIC PEPTIDE P2L CORRESPONDING TO RESIDUES 91-104 OF THE P85 SUBUNIT OF PI3-KINASE, FAMILY OF 25 STRUCTURES
1aot: NMR STRUCTURE OF THE FYN SH2 DOMAIN COMPLEXED WITH A PHOSPHOTYROSYL PEPTIDE, MINIMIZED AVERAGE STRUCTURE
1aou: NMR STRUCTURE OF THE FYN SH2 DOMAIN COMPLEXED WITH A PHOSPHOTYROSYL PEPTIDE, 22 STRUCTURES
1avz: V-1 NEF PROTEIN IN COMPLEX WITH WILD TYPE FYN SH3 DOMAIN
1azg: NMR STUDY OF THE SH3 DOMAIN FROM FYN PROTO-ONCOGENE TYROSINE KINASE KINASE COMPLEXED WITH THE SYNTHETIC PEPTIDE P2L CORRESPONDING TO RESIDUES 91-104 OF THE P85 SUBUNIT OF PI3-KINASE, MINIMIZED AVERAGE (PROBMAP) STRUCTURE
1efn: HIV-1 NEF PROTEIN IN COMPLEX WITH R96I MUTANT FYN SH3 DOMAIN
1fyn: PHOSPHOTRANSFERASE
1g83: CRYSTAL STRUCTURE OF FYN SH3-SH2
1m27: Crystal structure of SAP/FynSH3/SLAM ternary complex
1nyf: NMR STUDY OF THE SH3 DOMAIN FROM FYN PROTO-ONCOGENE TYROSINE KINASE, MINIMIZED AVERAGE (PROBMAP) STRUCTURE
1nyg: NMR STUDY OF THE SH3 DOMAIN FROM FYN PROTO-ONCOGENE TYROSINE KINASE, FAMILY OF 20 STRUCTURES
1shf: CRYSTAL STRUCTURE OF THE SH3 DOMAIN IN HUMAN FYN; COMPARISON OF THE THREE-DIMENSIONAL STRUCTURES OF SH3 DOMAINS IN TYROSINE KINASES AND SPECTRIN
1zbj: Inferential Structure Determination of the Fyn SH3 domain using NOESY data from a 15N,H2 enriched protein
2dq7: Crystal Structure of Fyn kinase domain complexed with staurosporine