Results 1 to 10 of about 1,378,476 (169)

Clinical application and drug resistance mechanism of gemcitabine [PDF]

open access: yesFrontiers in Cell and Developmental Biology
Gemcitabine, as a nucleoside analog, exerts a broad-spectrum antitumor effect by interfering with DNA synthesis, but its clinical application is limited by drug resistance.
Xuanrui Zhang, Bing Qi, Jing Chen
doaj   +2 more sources

Drug Resistance Mechanism among Acinetobacter Species

open access: yesJournal of Pure and Applied Microbiology, 2021
Acinetobacter species cause infections that are difficult to control due to multi-drug resistance and are noted for their intrinsic resistance to antibiotics and for their ability to acquire genes encoding resistance for the production of beta-lactamases
S. Jayashree   +2 more
doaj   +1 more source

Case report: Different mechanisms of drug resistance in a synchronous multiple primary lung cancer patient after EGFR-TKI treatment

open access: yesFrontiers in Oncology, 2022
Non-small-cell lung cancer (NSCLC) is the most common cancer in the world. In recent years, the incidence of synchronous multiple primary lung cancer (SMPLC) has gradually increased. Surgery is the preferred method to treat these patients. The management
Shaonan Xie, Qingyi Liu
doaj   +1 more source

Genomic landscape and efficacy of HER2-targeted therapy in patients with HER2-mutant non-small cell lung cancer

open access: yesFrontiers in Oncology, 2023
BackgroundHER2-targeted therapy provides survival benefits to HER2-mutant non-small cell lung cancer (NSCLC). A better understanding of the clinical and genomic characterization of treatment-naïve HER2-positive NSCLC, as well as the efficacy of and ...
Yanjie Han   +8 more
doaj   +1 more source

Resistance mechanisms [PDF]

open access: yesAnnals of Translational Medicine, 2016
By definition, the terms sepsis and septic shock refer to a potentially fatal infectious state in which the early administration of an effective antibiotic is the most significant determinant of the outcome. Because of the global spread of resistant bacteria, the efficacy of antibiotics has been severely compromised. S.
Yasemin, Cag   +4 more
openaire   +2 more sources

Chemotherapy Resistance Mechanisms [PDF]

open access: yesActa Oncologica, 1996
Resistance to chemotherapy is a major problem in oncology. The drug resistance in breast cancer shares most traits with other solid tumours. As a result of studies of cell lines and animal tumours a number of drug resistance factors have been identified but only limited data from human tumours are available.
U, Ringborg, A, Platz
openaire   +2 more sources

The Influencing Factors of Bacterial Resistance Related to Livestock Farm: Sources and Mechanisms

open access: yesFrontiers in Animal Science, 2021
Bacterial resistance is a complex scientific issue. To manage this issue, we need to deeply understand the influencing factors and mechanisms. Based on the background of livestock husbandry, this paper reviews the factors that affect the acquisition of ...
Kaixuan Guo   +14 more
doaj   +1 more source

Mechanisms of tamoxifen resistance [PDF]

open access: yesEndocrine-Related Cancer, 2004
The anti-oestrogen tamoxifen is the most commonly used treatment for patients with oestrogen-receptor (ER)-positive breast cancer. Although many patients benefit from tamoxifen in the adjuvant and metastatic settings, resistance is an important clinical problem. The target of tamoxifen in vivo is the ER.
Alistair, Ring, Mitch, Dowsett
openaire   +2 more sources

Transcriptome Analysis Revealed the Molecular Response Mechanism of High-Resistant and Low-Resistant Alfalfa Varieties to Verticillium Wilt

open access: yesFrontiers in Plant Science, 2022
Following infestation by Verticillium wilt, alfalfa (Medicago sativa L.) often shows symptoms such as disease spots, leaf loss, stem, and leaf yellowing, resulting in the decline of alfalfa yield and quality and causing significant losses to the alfalfa ...
Fang Li   +6 more
doaj   +1 more source

Overexpression of leucoanthocyanidin reductase or anthocyanidin reductase elevates tannins content and confers cassava resistance to two-spotted spider mite

open access: yesFrontiers in Plant Science, 2022
The two-spotted spider mite (TSSM) is a destructive cassava pest. Intensive demonstration of resistance mechanism greatly facilitates the creation of TSSM-resistant cassava germplasm.
Qing Chen   +28 more
doaj   +1 more source

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