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Ying Wu et al.
Theranostics, 10(3), 1151-1165 (2020-01-16)
Pancreatic ductal adenocarcinoma (PDAC) is a highly lethal disease with poor prognosis. Insights into the roles of MicroRNAs (miRNAs) in diseases, particularly in cancer, have made miRNAs attractive tools and targets for novel therapeutic approaches. Methods: Here, we employed a...
Jennifer Beauvarlet et al.
Cancers, 12(6) (2020-06-24)
Lysosomes play a key role in regulating cell death in response to cancer therapies, yet little is known on the possible role of lysosomes in the therapeutic efficacy of G-quadruplex DNA ligands (G4L) in cancer cells. Here, we investigate the...
Raquel Ordoñez et al.
Journal of pineal research, 59(2), 178-189 (2015-05-16)
Autophagy is a process that maintains homeostasis during stress, although it also contributes to cell death under specific contexts. Ceramides have emerged as important effectors in the regulation of autophagy, mediating the crosstalk with apoptosis. Melatonin induces apoptosis of cancer...
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Ai-Ling Tian et al.
Cell death & disease, 12(1), 6-6 (2021-01-09)
The integrated stress response manifests with the phosphorylation of eukaryotic initiation factor 2α (eIF2α) on serine residue 51 and plays a major role in the adaptation of cells to endoplasmic reticulum stress in the initiation of autophagy and in the...
Cui-Zan Cai et al.
Autophagy, 17(5), 1112-1130 (2020-06-17)
NRBF2 is a component of the class III phosphatidylinositol 3-kinase (PtdIns3K) complex. Our previous study has revealed its role in regulating ATG14-associated PtdIns3K activity for autophagosome initiation. In this study, we revealed an unknown mechanism by which NRBF2 modulates autophagosome maturation...
Aobing Cheng et al.
European journal of pharmacology, 849, 84-95 (2019-02-03)
Application of the commonly used volatile anesthetic sevoflurane after brain ischemia (sevoflurane postconditioning) attenuates ischemic brain injury. It is not known whether autophagy plays a role in this sevoflurane postconditioning-induced neuroprotection. Human SH-SY5Y cells were induced to become neuron-like cells....
Tomohiro Furukawa et al.
Cell chemical biology, 27(11), 1396-1409 (2020-09-06)
Aflatoxin contamination of crops is a serious problem worldwide. Utilization of aflatoxin production inhibitors is attractive, as the elucidation of their modes of action contributes to clarifying the mechanism of aflatoxin production. Here, we identified mitochondrial protease ClpP as the...
Jing Zhou et al.
Autophagy, 11(8), 1259-1279 (2015-06-27)
Autophagy inhibition has been widely accepted as a promising therapeutic strategy in cancer, while the lack of effective and specific autophagy inhibitors hinders its application. Here we found that liensinine, a major isoquinoline alkaloid, inhibits late-stage autophagy/mitophagy through blocking autophagosome-lysosome...
Timothy Marsh et al.
Developmental cell, 52(5), 591-604 (2020-02-23)
Although autophagy is being pursued as a therapeutic target in clinical oncology trials, its effects on metastasis, the principal cause of cancer mortality, remain unclear. Here, we utilize mammary cancer models to temporally delete essential autophagy regulators during carcinoma progression....
Poonuch Muhamad et al.
Malaria journal, 10, 44-44 (2011-02-18)
In Thailand, the proportion of Plasmodium vivax infection has become equal to Plasmodium falciparum. Reports of a trend of gradual decline of in vitro sensitivity of P. vivax to chloroquine in some areas of the country, together with accumulating evidences...
Anna M Schläfli et al.
Scientific reports, 11(1), 9011-9011 (2021-04-29)
ALK inhibitors effectively target EML4-ALK positive non-small cell lung cancer, but their effects are hampered by treatment resistance. In the present study, we asked whether ALK inhibition affects autophagy, and whether this may influence treatment response. Whereas the impact of...
Eva Hitz et al.
Communications biology, 4(1), 336-336 (2021-03-14)
Casein kinase 2 (CK2) is a pleiotropic kinase phosphorylating substrates in different cellular compartments in eukaryotes. In the malaria parasite Plasmodium falciparum, PfCK2 is vital for asexual proliferation of blood-stage parasites. Here, we applied CRISPR/Cas9-based gene editing to investigate the...
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Ri-Sheng Yao et al.
Medicinal chemistry (Shariqah (United Arab Emirates)), 8(5), 865-873 (2012-06-30)
Eight aromatic amino acid derivatives (9a-9h) as gastrin-releasing peptide receptor (GRPR) antagonists were designed and synthesized. For the design, the tertiary structure of GRPR was predicted by blast searching in the premise of 1u19 protein as the template. Eight target...
Francesca Finetti et al.
Frontiers in cell and developmental biology, 9, 634003-634003 (2021-04-09)
Lymphocyte homeostasis, activation and differentiation crucially rely on basal autophagy. The fine-tuning of this process depends on autophagy-related (ATG) proteins and their interaction with the trafficking machinery that orchestrates the membrane rearrangements leading to autophagosome biogenesis. The underlying mechanisms are...
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Laura Hellinen et al.
Pharmaceutics, 12(6) (2020-06-21)
Interactions between drugs and melanin pigment may have major impacts on pharmacokinetics. Therefore, melanin binding can modify the efficacy and toxicity of medications in ophthalmic and other disease of pigmented tissues, such as melanoma. As melanin is present in many...
Phedias Diamandis et al.
Nature chemical biology, 3(5), 268-273 (2007-04-10)
The identification of self-renewing and multipotent neural stem cells (NSCs) in the mammalian brain holds promise for the treatment of neurological diseases and has yielded new insight into brain cancer. However, the complete repertoire of signaling pathways that governs the...
Nunzia D'Onofrio et al.
Scientific reports, 10(1), 8978-8978 (2020-06-04)
δ-Valerobetaine (δVB) is a constitutive milk metabolite with antioxidant and anti-inflammatory activities. Here, we tested the antineoplastic properties of milk δVB on human colorectal cancer cells. CCD 841 CoN (non-tumorigenic), HT-29 (p53 mutant adenocarcinoma) and LoVo (APC/RAS mutant adenocarcinoma) cells...
Heather J Painter et al.
Antimicrobial agents and chemotherapy, 65(3) (2020-12-29)
The continued emergence of drug-resistant Plasmodium falciparum parasites hinders global attempts to eradicate malaria, emphasizing the need to identify new antimalarial drugs. Attractive targets for chemotherapeutic intervention are the cytochrome (cyt) bc 1 complex, which is an essential component of...
Jonathan Zirin et al.
PLoS genetics, 11(2), e1005006-e1005006 (2015-02-19)
Given the diversity of autophagy targets and regulation, it is important to characterize autophagy in various cell types and conditions. We used a primary myocyte cell culture system to assay the role of putative autophagy regulators in the specific context...
Changkun Hu et al.
Bioorganic & medicinal chemistry, 16(17), 7888-7893 (2008-08-12)
This study was to evaluate the enhancement value of chloroquine (CQ) in cancer cell killing when used in combination with Akt inhibitors. The results showed that the combination of CQ and Akt inhibitors is much more effective than either one...
Liyan Qiu et al.
Journal of liposome research, 22(3), 245-253 (2012-05-23)
Doxorubicin, as a widely used chemotherapeutic, always causes multidrug resistance in human cancer cells. To circumvent drug resistance, we developed a novel formulation where doxorubicin hydrochloride (DOX) and chloroquine phosphate (CQ) were simultaneously loaded into liposomes by a pH-gradient method...
Gerrit Müller et al.
Autophagy, 16(8), 1380-1395 (2019-11-02)
Oxidative stress and Th17 cytokines are important mediators of inflammation. Treatment with beta-adrenoceptor (ADRB) antagonists (beta-blockers) is associated with induction or aggravation of psoriasis-like skin inflammation, yet the underlying mechanisms are poorly understood. Herein, we identify lysosomotropic beta-blockers as critical...
Sónia Paixão et al.
Neuron, 104(4), 749-764 (2019-10-07)
Tactile stimuli are integrated and processed by neuronal circuits in the deep dorsal horn of the spinal cord. Several spinal interneuron populations have been implicated in tactile information processing. However, dorsal horn projection neurons that contribute to the postsynaptic dorsal column...
Bolin Hou et al.
Scientific reports, 9(1), 11087-11087 (2019-08-02)
Sunitinib (ST), a multitargeted receptor tyrosine kinase inhibitor, has been demonstrated to be effective for the treatment of renal carcinoma. It has been reported that ST is involved in the mediation of autophagy; however, its regulatory role in the autophagic...
Rio Sebori et al.
Oxidative medicine and cellular longevity, 2018, 9179270-9179270 (2018-12-05)
We previously showed that treatment with resveratrol (3,5,4'-trihydroxy-trans-stilbene), an activator of the NAD+-dependent deacetylase SIRT1 at 4 g/kg food for 32 weeks, significantly decreased the muscular reactive oxygen species (ROS) levels and ameliorated the pathology of mdx mice, an animal model...
Ana Cristina da Silva Pinto et al.
European journal of medicinal chemistry, 44(6), 2731-2735 (2008-12-17)
4-Nerolidylcatechol (1) was isolated from cultivated Pothomorphe peltata root on a multigram scale using straight-forward solvent extraction-column chromatography. New semi-synthetic derivatives of 1 were prepared and tested in vitro against multidrug-resistant Plasmodium falciparum K1 strain. Mono-O-methyl, mono-O-benzyl, O,O-dibenzyl and O,O-dibenzoyl...
Xing Huang et al.
Autophagy, 15(7), 1258-1279 (2019-02-23)
Notwithstanding the numerous drugs available for liver cancer, emerging evidence suggests that chemotherapeutic resistance is a significant issue. HGF and its receptor MET play critical roles in liver carcinogenesis and metastasis, mainly dependent on the activity of receptor tyrosine kinase....
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