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Yubin Lei et al.
Molecular cancer, 16(1), 170-170 (2017-11-12)
Lung cancer is the leading cause of cancer death worldwide. However, the molecular mechanisms underlying lung cancer development have not been fully understood. The functions of histone deacetylases (HDACs), a class of total eighteen proteins (HDAC1-11 and SIRT1-7 in mammals)
Katrin Paeschke et al.
Nature, 497(7450), 458-462 (2013-05-10)
The Saccharomyces cerevisiae Pif1 helicase is the prototypical member of the Pif1 DNA helicase family, which is conserved from bacteria to humans. Here we show that exceptionally potent G-quadruplex unwinding is conserved among Pif1 helicases. Moreover, Pif1 helicases from organisms
Saima M Sidik et al.
PloS one, 9(6), e100450-e100450 (2014-06-28)
Toxoplasma gondii is a parasite of humans and animals, and a model for other apicomplexans including Plasmodium spp., the causative agents of malaria. Despite many advances, manipulating the T. gondii genome remains labor intensive, and is often restricted to lab-adapted
Jason J Northey et al.
The Journal of biological chemistry, 288(7), 5210-5222 (2013-01-02)
The ErbB2 and TGFβ signaling pathways cooperate to promote the migratory, invasive, and metastatic behavior of breast cancer cells. We previously demonstrated that ShcA is necessary for these synergistic interactions. Through a structure/function approach, we now show that the phosphotyrosine-binding
Yung-Hsuan Wu et al.
Cell death & disease, 11(5), 305-305 (2020-05-06)
Death-associated protein kinase 1 (DAPK1, DAPk, DAPK) is known for its involvement in apoptosis and autophagy-associated cell death. Here, we identified an unexpected function of DAPK1 in suppressing necroptosis. DAPK1-deficiency renders macrophages and dendritic cells susceptible to necroptotic death. We
The Pim-1 protein kinase is an important regulator of MET receptor tyrosine kinase levels and signaling.
Cen B, Xiong Y, Song JH, et al.
Molecular and Cellular Biology, 34(13), 2517-2532 (2014)
Mi-Hee Jun et al.
Scientific reports, 7, 40474-40474 (2017-01-18)
Mutations in fused in sarcoma (FUS), a DNA/RNA binding protein, are associated with familial amyotrophic lateral sclerosis (ALS). However, little is known about how ALS-causing mutations alter protein-protein and protein-RNA complexes and contribute to neurodegeneration. In this study, we identified
Alexandra M Pike et al.
Molecular and cellular biology, 39(21) (2019-08-07)
TIN2 is an important regulator of telomere length, and mutations in TINF2, the gene encoding TIN2, cause short-telomere syndromes. While the genetics underscore the importance of TIN2, the mechanism through which TIN2 regulates telomere length remains unclear. Here, we tested
Li Xie et al.
PLoS genetics, 8(12), e1003151-e1003151 (2013-01-04)
Numerous genetic and epigenetic alterations render cancer cells selectively dependent on specific genes and regulatory pathways, and represent potential vulnerabilities that can be therapeutically exploited. Here we describe an RNA interference (RNAi)-based synthetic interaction screen to identify genes preferentially required
Yunhui Li et al.
Nature communications, 8, 15752-15752 (2017-06-02)
BRCA1 regulates multiple cellular pathways that maintain genomic stability including cell cycle checkpoints, DNA repair, protein ubiquitination, chromatin remodelling, transcriptional regulation and apoptosis. Receptor-associated protein 80 (RAP80) helps recruit BRCA1 to double-strand breaks (DSBs) through the scaffold protein CCDC98 (Abraxas)
Suvranta K Tripathy et al.
Nature cell biology, 16(12), 1192-1201 (2014-11-25)
Dynactin is the longest known cytoplasmic dynein regulator, with roles in dynein recruitment to subcellular cargo and in stimulating processive dynein movement. The latter function was thought to involve the N-terminal microtubule-binding region of the major dynactin polypeptide p150(Glued), although
Rajat Puri et al.
Nature communications, 10(1), 3645-3645 (2019-08-15)
Chronic mitochondrial stress associates with major neurodegenerative diseases. Recovering stressed mitochondria constitutes a critical step of mitochondrial quality control and thus energy maintenance in early stages of neurodegeneration. Here, we reveal Mul1-Mfn2 pathway that maintains neuronal mitochondrial integrity under stress
Isei Tanida et al.
Autophagy, 8(1), 88-97 (2011-12-16)
ATG7 is an autophagy-related E1-like enzyme that is essential for two ubiquitination-like reactions, ATG12-conjugation and LC3-lipidation. The existence of functional sequences at the amino-terminal region of human ATG7 remains uncertain. Mutational analyses of ATG7 revealed that both mutant ATG7ΔFAP lacking
Yueshuang Ke et al.
Cellular and molecular life sciences : CMLS, 78(4), 1817-1835 (2020-08-14)
Poly(ADP-ribosyl)ation (PARylation) is an important post-translational modification mainly catalyzed by poly-ADP-ribose polymerase 1 (PARP1). In addition to having important roles in DNA damage detection and repair, it functions in gene expression regulation, especially at the posttranscriptional level. Embryonic lethal abnormal
Jing Liu et al.
Cell stem cell, 21(5), 635-649 (2017-10-17)
Human brain evolution is associated with expansion and folding of the neocortex. Increased diversity in neural progenitor (NP) populations (such as basally located radial glia [RG], which reside in an enlarged outer subventricular zone [OSVZ]) likely contributes to this evolutionary
Feimeng Zheng et al.
Nature communications, 7, 10180-10180 (2016-01-20)
Centrosome-localized mitotic Aurora kinase A (AURKA) facilitates G2/M events. Here we show that AURKA translocates to the nucleus and causes distinct oncogenic properties in malignant cells by enhancing breast cancer stem cell (BCSC) phenotype. Unexpectedly, this function is independent of
Jacob M Vogan et al.
eLife, 5 (2016-08-16)
We dissected the importance of human telomerase biogenesis and trafficking pathways for telomere maintenance. Biological stability of human telomerase RNA (hTR) relies on H/ACA proteins, but other eukaryotes use other RNP assembly pathways. To investigate additional rationale for human telomerase
Juan Wang et al.
Cell reports, 26(1), 209-221 (2019-01-04)
Fatty acid uptake is the first step in fatty acid utilization, but it remains unclear how the process is regulated. Protein palmitoylation is a fatty acyl modification that plays a key regulatory role in protein targeting and trafficking; however, its
Florence Jacob et al.
The New phytologist, 217(4), 1667-1680 (2017-12-12)
Pattern recognition receptors (PRRs) and nucleotide-binding domain and leucine-rich repeat (LRR)-containing proteins (NLRs) initiate pattern-triggered immunity (PTI) and effector-triggered immunity (ETI), respectively, each associated with the activation of an overlapping set of defence genes. The regulatory mechanism behind this convergence
Yi-Ting Liu et al.
Human molecular genetics, 29(9), 1547-1567 (2020-04-28)
Dominant mutations in the mitochondrial paralogs coiled-helix-coiled-helix (CHCHD) domain 2 (C2) and CHCHD10 (C10) were recently identified as causing Parkinson's disease and amyotrophic lateral sclerosis/frontotemporal dementia/myopathy, respectively. The mechanism by which they disrupt mitochondrial cristae, however, has been uncertain. Using
Mingliang Zhao et al.
Viruses, 12(2) (2020-02-23)
Hydropericardium-Hepatitis Syndrome (HHS) caused by Fowl Adenovirus Serotype 4 (FAdV4) infection is a severe threat to the poultry industry worldwide, especially in China since 2015. Recent studies show that FAdV4 induces liver injury through apoptosis. However, the underlying molecular mechanism
Feng-Ming Yang et al.
The Journal of clinical investigation, 128(6), 2459-2472 (2018-05-08)
Many Toll-like receptors (TLRs) signal through TNF receptor-associated factor 6 (TRAF6) to activate innate immune responses. Here, we show that somatic nuclear autoantigenic sperm protein (sNASP) binds to TRAF6 to prevent TRAF6 autoubiquitination in unstimulated macrophages. Following LPS stimulation, a
Xuejing Ma et al.
iScience, 24(8), 102834-102834 (2021-08-10)
New strategies are urgently needed to characterize the functions of the lipid droplet (LD). Here, adiposome, an artificial LD mimetic platform, was validated by comparative in vitro bioassays. Scatchard analysis found that the binding of perilipin 2 (PLIN2) to the adiposome
Sachiko Takikawa et al.
Epigenetics, 8(12), 1268-1279 (2013-10-19)
Genomic imprinting is a common epigenetic phenomenon in mammals. Dysregulation of genomic imprinting has been implicated in a variety of human diseases. ZFP57 is a master regulator in genomic imprinting. Loss of ZFP57 causes loss of DNA methylation imprint at
Wei Wu et al.
mBio, 12(3), e0100521-e0100521 (2021-06-15)
DEAD (Glu-Asp-Ala-Glu) box RNA helicases have been proven to contribute to antiviral innate immunity. The DDX21 RNA helicase was identified as a nuclear protein involved in rRNA processing and RNA unwinding. DDX21 was also proven to be the scaffold protein
Miaolin Zhu et al.
Molecular medicine reports, 13(2), 1909-1913 (2015-12-18)
Our previous study demonstrated that type II cyclic guanosine monophosphate (cGMP)-dependent protein kinase (PKG II) inhibited epidermal growth factor (EGF)-induced phosphorylation/activation of epidermal growth factor receptor (EGFR). Since human epidermal growth factor receptor 2 (HER2) has a similar molecular structure
Xing Liu et al.
Nature, 535(7610), 153-158 (2016-07-08)
Inflammatory caspases (caspases 1, 4, 5 and 11) are activated in response to microbial infection and danger signals. When activated, they cleave mouse and human gasdermin D (GSDMD) after Asp276 and Asp275, respectively, to generate an N-terminal cleavage product (GSDMD-NT)
Li Wan et al.
Molecular cell, 81(13), 2808-2822 (2021-06-11)
The cyclic GMP-AMP synthase-stimulator of interferon genes (cGAS-STING) pathway senses cytosolic DNA and induces interferon-stimulated genes (ISGs) to activate the innate immune system. Here, we report the unexpected discovery that cGAS also senses dysfunctional protein production. Purified ribosomes interact directly
Ju Zhang et al.
Molecular oncology, 14(9), 2313-2331 (2020-06-04)
Cervical cancer is induced by persistent infections with high-risk human papillomaviruses (HPVs), which produce the early protein 6 of HPVs (E6)/E7 protein that is involved in cell transformation by interacting with several oncoproteins or tumor suppressors. However, the role of
Hung-Yu Sun et al.
PloS one, 6(9), e25530-e25530 (2011-10-08)
Molecular covariation of highly polymorphic viruses is thought to have crucial effects on viral replication and fitness. This study employs association rule data mining of hepatitis C virus (HCV) sequences to search for specific evolutionary covariation and then tests functional
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