• Gene deletion; HGNC; HGNC:1787; CDKN2A; Zygosity=Homozygous (PubMed=15495191; PubMed=18487078).
  
• Mutation; HGNC; HGNC:11998; TP53; Simple; p.Leu26Profs*10 (c.75delA); Zygosity=Unspecified (PubMed=10628319; PubMed=18487078).
  

PubMed=10628319
Hilmar Ballo, Pavel Koldovsky, Thomas K. Hoffmann, Vera Balz, Barbara Hildebrandt, Claus-Dieter Gerharz, Henning Bier;
Establishment and characterization of four cell lines derived from human head and neck squamous cell carcinomas for an autologous tumor-fibroblast in vitro model.
Anticancer Res. 19:3827-3836(1999)

PubMed=15495191; DOI=10.1002/gcc.20119
Sascha Raschke, Vera Balz, Thomas Efferth, Wolfgang Arthur Schulz, Andrea R. Florl;
Homozygous deletions of CDKN2A caused by alternative mechanisms in various human cancer cell lines.
Genes Chromosomes Cancer 42:58-67(2005)

PubMed=16331601; DOI=10.1002/ijc.21514
Anja Muller, Eniko Sonkoly, Christine Eulert, Peter Arne Gerber, Robert Kubitza, Kerstin Schirlau, Petra Franken-Kunkel, Christopher Poremba, Carl Henry Snyderman, Lars-Oliver Klotz, Thomas Ruzicka ...Show all 16 authors... , Henning Bier, Albert Zlotnik, Theresa L. Whiteside, Bernhard Homey, Thomas K. Hoffmann; Show fewer authors
Chemokine receptors in head and neck cancer: association with metastatic spread and regulation during chemotherapy.
Int. J. Cancer 118:2147-2157(2006)

PubMed=18487078; DOI=10.1016/j.oraloncology.2008.02.006
Thomas K. Hoffmann, Eniko Sonkoly, Ulrich Hauser, Anke van Lierop, Theresa L. Whiteside, Jens Peter Klussmann, Dieter Hafner, Patrick J. Schuler, Ulrike Friebe-Hoffmann, Kathrin Scheckenbach, Kaisa Erjala ...Show all 15 authors... , Reidar Grenman, Jorg Schipper, Henning Bier, Vera Balz; Show fewer authors
Alterations in the p53 pathway and their association with radio- and chemosensitivity in head and neck squamous cell carcinoma.
Oral Oncol. 44:1100-1109(2008)

PubMed=26045983; PMCID=PMC4449432
Frank Ziemann, Andrea Arenz, Stefanie Preising, Claus Wittekindt, Jens Peter Klussmann, Rita Engenhart-Cabillic, Andrea Wittig;
Increased sensitivity of HPV-positive head and neck cancer cell lines to X-irradiation +/- cisplatin due to decreased expression of E6 and E7 oncoproteins and enhanced apoptosis.
Am. J. Cancer Res. 5:1017-1031(2015)