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iDeal ChIP-qPCR

24 publications found.

Atypical chemokine receptor 2 expression is directly regulated by hypoxia inducible factor-1 alpha in cancer cells under hypoxia
Published: November, 2024
Abstract: Lack of significant and durable clinical benefit from anti-cancer immunotherapies is partly due to the failure of cytotoxic immune cells to infiltrate the tumor microenvironment. Immune infiltration is predominantly dependent on the chemokine netw...
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MYB/LINC00092 regulatory axis promotes the progression of papillary thyroid carcinoma
Published: February, 2024
Abstract: Introduction:Thyroid carcinoma is the most frequent malignancy in different endocrine-related tumours. In this study, we demonstrated a long non-coding RNA LINC00092-associated molecular mechanism in promoting the progression of papillary thyroid ...
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Substrate stiffness promotes vascular smooth muscle cell calcification by reducing the levels of nuclear actin monomers
Published: January, 2024
Abstract: Background: Vascular calcification (VC) is a prevalent independent risk factor for adverse cardiovascular events and is associated with diabetes, hypertension, chronic kidney disease, and atherosclerosis. However, the mechanisms regulating th...
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DAXX promotes centromeric stability independently of ATRX by preventing the accumulation of R-loop-induced DNA double-stranded breaks
Published: December, 2023
Abstract: Maintaining chromatin integrity at the repetitive non-coding DNA sequences underlying centromeres is crucial to prevent replicative stress, DNA breaks and genomic instability. The concerted action of transcriptional repressors, chromatin remodelli...
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CRISPR/Cas9-mediated inactivation of miR-34a and miR-34b/c inHCT116 colorectal cancer cells: comprehensive characterization afterexposure to 5-FU reveals EMT and autophagy as key processes regulatedby miR-34.
Published: July, 2023
Abstract: The miR-34a and miR-34b/c encoding genes represent direct targets of the p53 transcription factor, and presumably mediate part of the tumor suppressive effects of p53. Here, we sought to determine their functional relevance by inactivating miR-34a...
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Curcumin activates a ROS/KEAP1/NRF2/miR-34a/b/c cascade tosuppress colorectal cancer metastasis.
Published: May, 2023
Abstract: Curcumin, a natural phytochemical isolated from tumeric roots, represents a candidate for prevention and therapy of colorectal cancer/CRC. However, the exact mechanism of action and the downstream mediators of curcumin's tumor suppressive effects ...
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Epigenetic regulation of plastin 3 expression by the macrosatelliteDXZ4 and the transcriptional regulator CHD4.
Published: February, 2023
Abstract: Dysregulated Plastin 3 (PLS3) levels associate with a wide range of skeletal and neuromuscular disorders and the most common types of solid and hematopoietic cancer. Most importantly, PLS3 overexpression protects against spinal muscular atrophy. D...
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miR-34a and IRE1A/XBP-1(S) Form a Double-NegativeFeedback Loop to Regulate Hypoxia-Induced EMT, Metastasis,Chemo-Resistance and Autophagy
Published: February, 2023
Abstract: Tumor-associated hypoxia, i.e., decreased availability of oxygen, results in a poor clinical outcome since it promotes EMT, metastasis, and chemotherapy-resistance. We have previously identified p53 and its target miR-34a, as critical determinants...
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Exploration of nuclear body-enhanced sumoylation reveals that PMLrepresses 2-cell features of embryonic stem cells.
Published: September, 2022
Abstract: Membrane-less organelles are condensates formed by phase separation whose functions often remain enigmatic. Upon oxidative stress, PML scaffolds Nuclear Bodies (NBs) to regulate senescence or metabolic adaptation. PML NBs recruit many partner prot...
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RAD51 protects human cells from transcription-replication conflicts.
Published: August, 2022
Abstract: Oncogene activation during tumorigenesis promotes DNA replication stress (RS), which subsequently drives the formation of cancer-associated chromosomal rearrangements. Many episodes of physiological RS likely arise due to conflicts between the DNA...
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Epigenetic remodeling of downstream enhancer regions is linked toselective expression of the IL1F10 gene in differentiated humankeratinocytes.
Published: August, 2022
Abstract: Interleukin (IL)-38, encoded by the IL1F10 gene, is a member of the IL-1 family of cytokines. IL-38 is constitutively expressed in epithelia in healthy humans, and in particular in epidermal keratinocytes in the skin. IL-38 expression is closely c...
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Prolonged FOS activity disrupts a global myogenic transcriptionalprogram by altering 3D chromatin architecture in primary muscleprogenitor cells.
Published: August, 2022
Abstract: BACKGROUND: The AP-1 transcription factor, FBJ osteosarcoma oncogene (FOS), is induced in adult muscle satellite cells (SCs) within hours following muscle damage and is required for effective stem cell activation and muscle repair. However, why FO...
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PARP1-SNAI2 transcription axis drives resistance to PARP inhibitor,Talazoparib.
Published: July, 2022
Abstract: The synthetic lethal association between BRCA deficiency and poly (ADP-ribose) polymerase (PARP) inhibition supports PARP inhibitor (PARPi) clinical efficacy in BRCA-mutated tumors. PARPis also demonstrate activity in non-BRCA mutated tumors presu...
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AP4 suppresses DNA damage, chromosomal instability and senescence viainducing and repressing miR-22-3p
Published: May, 2022
Abstract: Background AP4 (TFAP4) encodes a basic helix-loop-helix leucine zipper (bHLH-LZ) transcription factor and is a direct target gene of the oncogenic transcription factor c-MYC. Here, we set out to determine the relevance of AP4 in human colorectal c...
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Sevoflurane induces inflammation in primary hippocampal neurons byregulating Hoxa5/Gm5106/miR-27b-3p positive feedback loop.
Published: December, 2021
Abstract: Postoperative cognitive dysfunction (POCD) is a normal condition that develops after surgery with anesthesia, leading to deterioration of cognitive functions. However, the mechanism of POCD still remains unknown. To elucidate the POCD molecular me...
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Regulatory interplay between Vav1, Syk and β-catenin occurs in lungcancer cells.
Published: October, 2021
Abstract: Vav1 exhibits two signal transducing properties as an adaptor protein and a regulator of cytoskeleton organization through its Guanine nucleotide Exchange Factor module. Although the expression of Vav1 is restricted to the hematopoietic lineage, i...
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Epigenetic remodelling of enhancers in response to estrogen deprivationand re-stimulation.
Published: September, 2021
Abstract: Estrogen hormones are implicated in a majority of breast cancers and estrogen receptor alpha (ER), the main nuclear factor mediating estrogen signaling, orchestrates a complex molecular circuitry that is not yet fully elucidated. Here, we investig...
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Enhanced targeted DNA methylation of the CMV and endogenous promoterswith dCas9-DNMT3A3L entails distinct subsequent histonemodification changes in CHO cells.
Published: July, 2021
Abstract: With the emergence of new CRISPR/dCas9 tools that enable site specific modulation of DNA methylation and histone modifications, more detailed investigations of the contribution of epigenetic regulation to the precise phenotype of cells in culture,...
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Atg7 deficiency in microglia drives an altered transcriptomic profileassociated with an impaired neuroinflammatory response
Published: June, 2021
Abstract: Microglia, resident immunocompetent cells of the central nervous system, can display a range of reaction states and thereby exhibit distinct biological functions across development, adulthood and under disease conditions. Distinct gene expression ...
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FOS licenses early events in stem cell activation driving skeletal muscleregeneration.
Published: January, 2021
Abstract: Muscle satellite cells (SCs) are a quiescent (non-proliferative) stem cell population in uninjured skeletal muscle. Although SCs have been investigated for nearly 60 years, the molecular drivers that transform quiescent SCs into the rapidly dividi...
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CREB3 Transactivates lncRNA ZFAS1 to Promote PapillaryThyroid Carcinoma Metastasis by Modulating miR-373-3/MMP3Regulatory Axis
Published: January, 2021
Abstract: The incidence rate of thyroid carcinoma ranks ninth among human malignancies, and it accounts for the most frequent malignancy in endocrine-related tumors. This study aimed to investigate the role of long noncoding RNA (lncRNA) ZFAS1 in the metast...
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The transcription factor scleraxis differentially regulates gene expressionin tenocytes isolated at different developmental stages.
Published: August, 2020
Abstract: The transcription factor scleraxis (SCX) is expressed throughout tendon development and plays a key role in directing tendon wound healing. However, little is known regarding its role in fetal or young postnatal tendons, stages in development that...
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TET-Mediated Hypermethylation Primes SDH-Deficient Cells for HIF2α-Driven Mesenchymal Transition.
Published: March, 2020
Abstract: Loss-of-function mutations in the SDHB subunit of succinate dehydrogenase predispose patients to aggressive tumors characterized by pseudohypoxic and hypermethylator phenotypes. The mechanisms leading to DNA hypermethylation and its cont...
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The nuclear hypoxia-regulated NLUCAT1 long non-coding RNA contributes to an aggressive phenotype in lung adenocarcinoma through regulation of oxidative stress.
Published: August, 2019
Abstract: Lung cancer is the leading cause of cancer death worldwide, with poor prognosis and a high rate of recurrence despite early surgical removal. Hypoxic regions within tumors represent sources of aggressiveness and resistance to therapy. Although lon...
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