Results 61 to 70 of about 1,224,230 (307)

PAK1 activation drives divergent resistance mechanisms to aromatase inhibition and tamoxifen in a luminal: A breast cancer model

open access: yesMolecular Oncology, EarlyView.
Breast cancer remains a major cause of cancer death in women, frequently developing endocrine therapy resistance. This study demonstrates that upregulated p21‐activated kinase 1 (PAK1) activity drives resistance to tamoxifen and long‐term estrogen deprivation in ER+ breast cancer models.
Luisa Schwarzmüller   +10 more
wiley   +1 more source

An Adrenocortical Carcinoma Case with Atypical Progress

open access: yesEndocrinology Research and Practice, 2022
Adrenocortical carcinoma is a relatively rare malignant tumour, which progreses rapidly within a few months. in this report an adrenocortical carcinoma case with atypical clinical progression is presented.
Hatice Sebile Dökmetaş   +5 more
doaj   +2 more sources

Heme-oxygenases during erythropoiesis in K562 and human bone marrow cells. [PDF]

open access: yesPLoS ONE, 2011
In mammalian cells, heme can be degraded by heme-oxygenases (HO). Heme-oxygenase 1 (HO-1) is known to be the heme inducible isoform, whereas heme-oxygenase 2 (HO-2) is the constitutive enzyme.
Liliane R Alves   +10 more
doaj   +1 more source

Single‐cell DNA methylation profiling: Technologies, computation, and applications in precision oncology

open access: yesMolecular Oncology, EarlyView.
Single‐cell DNA methylation (scDNAme) profiling maps epimutational clonal evolution, revealing mechanisms of malignancy and therapeutic resistance across diverse cancer types. By providing a high‐resolution landscape of intratumoral heterogeneity, these technologies empower precise patient stratification, guide the development of enhanced ...
Ik Soo Kim
wiley   +1 more source

Ribonucleotide reductases: Essential Enzymes for bacterial life

open access: yesFrontiers in Cellular and Infection Microbiology, 2014
Ribonucleotide reductase (RNR) is a key enzyme that mediates the synthesis of deoxyribonucleotides, the DNA precursors, for DNA synthesis in every living cell.
Eduard eTorrents
doaj   +1 more source

Targeting transcription factors associated with hemoglobinopathies: Lessons from successful interventions and implications for cancer

open access: yesMolecular Oncology, EarlyView.
This review summarizes the transcription factors, repressive chromatin‐modifying complexes, and epigenetic mechanisms that control fetal hemoglobin repression. Notably, many regulators of γ‐globin silencing also function in transcriptional and epigenetic networks that drive cancer, highlighting opportunities to translate advances in hemoglobinopathy ...
Meigen Yu   +3 more
wiley   +1 more source

Two types of coumarins-specific enzymes complete the last missing steps in pyran- and furanocoumarins biosynthesis

open access: yesActa Pharmaceutica Sinica B
Pyran- and furanocoumarins are key representatives of tetrahydropyrans and tetrahydrofurans, respectively, exhibiting diverse physiological and medical bioactivities. However, the biosynthetic mechanisms for their core structures remain poorly understood.
Yucheng Zhao   +11 more
doaj   +1 more source

Vacuoles, E1 enzyme, X-linked, autoinflammatory, and somatic syndrome in the intensive care unit: a case report

open access: yesJournal of Medical Case Reports, 2023
Background Vacuoles, E1 enzyme, X-linked, autoinflammatory, and somatic syndrome is a newly discovered inflammatory disease affecting male subjects, for which few data exist in the literature.
Félicie Belicard   +10 more
doaj   +1 more source

PANoptosis in the pathogenesis of myelodysplastic syndromes

open access: yesMolecular Oncology, EarlyView.
PANoptosis, a combination of three types of programmed cell death, is mediated by a large protein complex called a PANoptosome. In healthy bone marrow hematopoietic cells, PANoptosis is restricted by inhibitory signaling. In MDS, bone marrow cells become sensitive to the PANoptotic stimuli due to the aberrant inactivation of inhibitory signaling or ...
Rohit Thalla   +4 more
wiley   +1 more source

Chemical Synthesis and Enzymic Processing of Precursor Forms of Cecropins A and B

open access: yesJournal of Biological Chemistry, 1989
Radiolabeled preprocecropin B, with an alpha-amidated COOH terminus, and preprocecropin A, extended at the COOH terminus by a glycine residue, were synthesized by solid-phase methods. The respective syntheses were interrupted at intervals to allow the preparation of the predicted procecropins A and B as well as three other truncated derivatives of the ...
H C, Boman   +6 more
openaire   +2 more sources

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