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Article
The gut microbiome switches mutant p53 from tumour-suppressive to oncogenic
Somatic mutations in p53, which inactivate the tumour-suppressor function of p53 and often confer oncogenic gain-of-function properties, are very common in cancer1,2. Here we studied the effects of hotspot gain-o...
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Article
CKIα ablation highlights a critical role for p53 in invasiveness control
In a mouse model of intestinal cancer, Yinon Ben-Neriah and colleagues show that in the absence of CK1-α, the loss of p53 dramatically enhances tumour progression and metastasis. The tumour repressor p53 norma...
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Article
NF-κB functions as a tumour promoter in inflammation-associated cancer
The causes of sporadic human cancer are seldom recognized, but it is estimated that carcinogen exposure and chronic inflammation are two important underlying conditions for tumour development, the latter accou...
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Article
Identification of the receptor component of the IκBα–ubiquitin ligase
NF-κB, a ubiquitous, inducible transcription factor involved in immune, inflammatory, stress and developmental processes, is retained in a latent form in the cytoplasm of non-stimulated cells by inhibitory mol...
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Article
Rapid proteolysis of IκB-α is necessary for activation of transcription factor NF-κB
INDUCIBLE gene expression in eukaryotes is mainly controlled by the activity of transcriptional activator proteins, such as NF-κB (refs 1–3), a factor activated upon treatment of cells with phorbolesters, lipo...
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Article
Leukocytes express a novel gene encoding a putative transmembrane protein-kinase devoid of an extracellular domain
Tyrosine-specific phosphorylation of proteins is a key to the control of diverse pathways leading to cell growth and differentiation1. The protein-tyrosine kinases described to date are either transmembrane prote...
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Article
Isolation and expression of a complementary DNA that confers multidrug resistance
The emergence and outgrowth of a population of tumour cells resistant to multiple drugs is a major problem in the chemotherapeutic treatment of cancer. We have used highly drug-resistant cell lines developed in v...
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Article
T-cell hybridoma bearing heavy chain variable region determinants producing (T,G)-A--L-specific helper factor
Thymus-derived lymphocytes (T cells) exert their regulatory effect (help or suppression) on the antibody production by B cells either by direct cell to cell interaction or by soluble mediators or factors1,2. The ...
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Article
Alloactivated Lyt 1 +2− T lymphoblasts bind syngeneic Ia antigens
A large proportion of T blasts activated in the mixed lymphocyte reaction (MLR) is capable of binding plasma membrane (PM) vesicles prepared from the stimulator strain1,2. The binding of vesicles is specific, and...
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Article
Allotype-linked genetic control of a polymorphic VH framework determinant on mouse T-helper cell receptors
The immune system confronts antigens through the variable domains of antigen receptors on lymphocytes. The biochemistry of these antigen receptors is fundamental to the understanding of the immune system. Whil...