Increased expression of cellular FLICE/caspase-8 inhibitory protein in condyloma acuminatum. 2011

Fen Tian, and Jiejie Lu, and Li Wang, and Lin Li, and Jing Yang, and Yan Li, and Guanxin Shen, and Yating Tu, and Juan Tao
Department of Dermatology, Union Hospital, Tongji Medical College, Huazhong University, Wuhan Hubei 430022, PR China.

Condyloma acuminatum (CA) is a benign epithelial tumor caused by infection with human papillomaviruses (HPVs) and characterized by abnormal cell proliferation. Cellular caspase-8 (FLICE)-like inhibitory protein (c-FLIP) was originally identified as an inhibitor of death-receptor signaling through competition with caspase-8 for recruitment to FAS-associated via death domain (FADD). More recently, it has been determined that c-FLIP is associated with the survival and proliferation of T cells and keratinocytes. The aim of this work was to study the expression of c-FLIP in CA and its relationship with keratinocyte proliferation. Immunoperoxidase staining methods were applied to analyze the location and expressions of both c-FLIP and proliferating cell nuclear antigens (PCNA) in 34 CA and 16 normal foreskin tissues. Semiquantitative reverse transcriptase-polymerase chain reactions (RT-PCR) and western blotting were performed to further identify the expression of c-FLIP in CA. c-FLIP expression at both mRNA and protein level was significantly higher in CA than normal foreskin. c-FLIP expression was highly correlated with the PCNA labeling index (LI) in CA. We concluded that c-FLIP overexpression might take part in keratinocyte proliferation in CA.

UI MeSH Term Description Entries
D007150 Immunohistochemistry Histochemical localization of immunoreactive substances using labeled antibodies as reagents. Immunocytochemistry,Immunogold Techniques,Immunogold-Silver Techniques,Immunohistocytochemistry,Immunolabeling Techniques,Immunogold Technics,Immunogold-Silver Technics,Immunolabeling Technics,Immunogold Silver Technics,Immunogold Silver Techniques,Immunogold Technic,Immunogold Technique,Immunogold-Silver Technic,Immunogold-Silver Technique,Immunolabeling Technic,Immunolabeling Technique,Technic, Immunogold,Technic, Immunogold-Silver,Technic, Immunolabeling,Technics, Immunogold,Technics, Immunogold-Silver,Technics, Immunolabeling,Technique, Immunogold,Technique, Immunogold-Silver,Technique, Immunolabeling,Techniques, Immunogold,Techniques, Immunogold-Silver,Techniques, Immunolabeling
D008297 Male Males
D003218 Condylomata Acuminata Sexually transmitted form of anogenital warty growth caused by the human papillomaviruses. Genital Warts,Venereal Warts,Warts, Genital,Warts, Venereal,Genital Wart,Venereal Wart,Wart, Genital,Wart, Venereal
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D015153 Blotting, Western Identification of proteins or peptides that have been electrophoretically separated by blot transferring from the electrophoresis gel to strips of nitrocellulose paper, followed by labeling with antibody probes. Immunoblotting, Western,Western Blotting,Western Immunoblotting,Blot, Western,Immunoblot, Western,Western Blot,Western Immunoblot,Blots, Western,Blottings, Western,Immunoblots, Western,Immunoblottings, Western,Western Blots,Western Blottings,Western Immunoblots,Western Immunoblottings
D015603 Keratinocytes Epidermal cells which synthesize keratin and undergo characteristic changes as they move upward from the basal layers of the epidermis to the cornified (horny) layer of the skin. Successive stages of differentiation of the keratinocytes forming the epidermal layers are basal cell, spinous or prickle cell, and the granular cell. Keratinocyte
D049109 Cell Proliferation All of the processes involved in increasing CELL NUMBER including CELL DIVISION. Cell Growth in Number,Cellular Proliferation,Cell Multiplication,Cell Number Growth,Growth, Cell Number,Multiplication, Cell,Number Growth, Cell,Proliferation, Cell,Proliferation, Cellular
D052816 Foreskin The double-layered skin fold that covers the GLANS PENIS, the head of the penis. Foreskins
D053446 CASP8 and FADD-Like Apoptosis Regulating Protein An APOPTOSIS-regulating protein that is structurally related to CASPASE 8 and competes with CASPASE 8 for binding to FAS ASSOCIATED DEATH DOMAIN PROTEIN. Two forms of CASP8 and FADD-like apoptosis regulating protein exist, a long form containing a caspase-like enzymatically inactive domain and a short form which lacks the caspase-like domain. Casper Protein,FLICE-Inhibitory Protein,FLICE-Inhibitory Protein Long Form,FLICE-Inhibitory Protein Short Form,FLIP (Cellular),FLIP-L,FLIP-L Protein,FLIP-S,FLIP-S Protein,CASP8 and FADD Like Apoptosis Regulating Protein,FLICE Inhibitory Protein,FLICE Inhibitory Protein Long Form,FLICE Inhibitory Protein Short Form,FLIP L Protein,FLIP S Protein

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