Results 41 to 50 of about 700,279 (259)

COMP–PMEPA1 axis promotes epithelial‐to‐mesenchymal transition in breast cancer cells

open access: yesMolecular Oncology, EarlyView.
This study reveals that cartilage oligomeric matrix protein (COMP) promotes epithelial‐to‐mesenchymal transition (EMT) in breast cancer. We identify PMEPA1 (protein TMEPAI) as a novel COMP‐binding partner that mediates EMT via binding to the TSP domains of COMP, establishing the COMP–PMEPA1 axis as a key EMT driver in breast cancer.
Konstantinos S. Papadakos   +6 more
wiley   +1 more source

IMPDH inhibition enhances cytarabine efficacy in SAMHD1‐expressing leukaemia cells via guanine nucleotide depletion

open access: yesMolecular Oncology, EarlyView.
Cytarabine is a key therapy for acute myeloid leukaemia (AML), but its efficacy is limited by the dNTPase SAMHD1, which hydrolyses its active metabolite. Screening nucleotide biosynthesis inhibitors revealed that IMPDH inhibitors selectively sensitise SAMHD1‐proficient AML cells to cytarabine.
Miriam Yagüe‐Capilla   +9 more
wiley   +1 more source

Uptake, Translocation, and Stability of Oxytetracycline and Streptomycin in Citrus Plants

open access: yesAntibiotics, 2019
Huanglongbing (HLB), or citrus greening, is the most destructive disease to the citrus industry. In Florida, it is caused by the bacterium, Candidatus Liberibacter asiaticus (CLas) and is transmitted by the Asian citrus psyllid, Diaphorina citri.
Fuad Al-Rimawi   +4 more
doaj   +1 more source

Determination of streptomycin and dihydrostreptomycin residues in cheese by weak cation solid phase extraction purification coupled with high performance liquid chromatography-tandem mass spectrometry

open access: yesZhongguo shipin weisheng zazhi, 2023
ObjectiveTo develop a determination method for streptomycin and dihydrostreptomycin in cheese using high performance liquid chromatography-tandem mass spectrometry.MethodsThe samples were extracted with 20 mmol/L Na2HPO4 solution (pH 7.4, adjusted by 6 ...
YANG Hao   +5 more
doaj   +1 more source

Chemical Assay of Streptomycin B (Mannosido – Streptomycin) [PDF]

open access: yesNature, 1948
MORRIS1 has recently described the use of new reagent (0·2 per cent anthrone, a reduction product of anthroquinone, in 95 per cent sulphuric acid) for quantitative determination of carbohydrates. We have found that it can be used not only for distinguishing streptomycin B (a mannoside) from streptomycin A, but also for estimating the amount of the ...
W B, EMERY, A D, WALKER
openaire   +2 more sources

Dual PI3K/AKT and CDK4/6 inhibition reveals selective sensitivity in an SHH medulloblastoma stem cell model

open access: yesMolecular Oncology, EarlyView.
Targeted therapy was evaluated in SHH medulloblastoma using neuroepithelial stem cell (NES) and tumor‐derived NES‐like (tNES) models in 2D monolayers and 3D spheroids. PI3K, AKT, and CDK4/6 inhibitors had minimal effects in NES but markedly reduced viability and growth and induced apoptosis in tNES cells, revealing distinct therapeutic vulnerabilities.
Monika Lukoseviciute   +4 more
wiley   +1 more source

Conformational Response of 30S-bound IF3 to A-Site Binders Streptomycin and Kanamycin

open access: yesAntibiotics, 2016
Aminoglycoside antibiotics are widely used to treat infectious diseases. Among them, streptomycin and kanamycin (and derivatives) are of importance to battle multidrug-resistant (MDR) Mycobacterium tuberculosis.
Roberto Chulluncuy   +4 more
doaj   +1 more source

Establishment of a humanized patient‐derived xenograft mouse model of high‐grade serous ovarian cancer for preclinical evaluation of combination immunotherapy

open access: yesMolecular Oncology, EarlyView.
We have established a humanized orthotopic patient‐derived xenograft (Hu‐oPDX) mouse model of high‐grade serous ovarian cancer (HGSOC) that recapitulates human tumor–immune interactions. Using combined anti‐PD‐L1/anti‐CD73 immunotherapy, we demonstrate the model's improved biological relevance and enhanced translational value for preclinical ...
Luka Tandaric   +10 more
wiley   +1 more source

The Effects of Local Streptomycin/lidocaine Injections on Treatment of Carbamazepine Resistant Trigeminal Neuralgia

open access: yesJournal of Mazandaran University of Medical Sciences, 2018
Background and purpose: Trigeminal neuralgia is the most common type of facial neuralgia. The pain would easily affect the quality of life according to its acute and severe nature. Treatment modalities include pharmacotherapy, microvascular decompression,
Amir Hooman Sadr Haghighi   +3 more
doaj  

E2A selectively regulates TGF‐β–induced apoptosis in KRAS‐mutant non‐small cell lung cancer

open access: yesMolecular Oncology, EarlyView.
Ability to induce apoptosis by TGF‐β is frequently lost in advanced lung adenocarcinoma despite intact TGF‐β signaling. We identify E2A as a mutant KRAS–dependent mediator of resistance to TGF‐β–induced apoptosis. TGF‐β induces E2A via SMAD3 in mutant KRAS cells, and E2A silencing restores apoptosis and enhances radiation response in cell lines ...
Sergei Chuikov   +3 more
wiley   +1 more source

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