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Total 89 results found since Jan 2013.

Co-delivery of curcumin and si-STAT3 with a bioinspired tumor homing for polydopamine nanoparticles for synergistic osteosarcoma therapy
ConclusionThis study revealed that CPDA/siSTAT3@SCM NPs can target drug delivery by biomimetic multifunctional nanoparticles to treat OS through chemo-gene combined therapy.
Source: Cancer Nanotechnology - June 20, 2023 Category: Cancer & Oncology Source Type: research

Curcumin protects against the age-related hearing loss by attenuating apoptosis and senescence via activating Nrf2 signaling in cochlear hair cells
This study is the first to demonstrate that curcumin can prevent oxidative stress-induced auditory hair cell degeneration through Nrf2 activation, highlighting its potential therapeutic value in preventing ARHL.PMID:37334787 | DOI:10.1016/j.bcp.2023.115575
Source: Biochemical Pharmacology - June 19, 2023 Category: Drugs & Pharmacology Authors: Ning Li Xirui Yan Weiling Huang Min Chu Yang Dong Haiyan Song Yinting Peng Jianrong Shi Qing Liu Source Type: research

AMPK negatively regulates RANKL-induced osteoclast differentiation by controlling oxidative stress
This study aimed to clarify the mechanistic connection between AMPK and osteoclast differentiation, and the potential role of AMPK in the anti-resorptive effects of several phytochemicals. We found that receptor activator of nuclear factor-kappa B (NF-κB) ligand (RANKL)-induced osteoclast differentiation, osteoclastic gene expression, and activation of mitogen-activated protein kinase (MAPK) and NF-κB were promoted in cells transfected with AMPK siRNA. AMPK knockdown led to defective synthesis of heme oxygenase-1, an antioxidant enzyme, and the upstream mediator, nuclear factor erythroid-2-related factor 2. Furthermore, ...
Source: Free Radical Biology and Medicine - June 3, 2023 Category: Biology Authors: Miori Tanaka Hirofumi Inoue Nobuyuki Takahashi Mariko Uehara Source Type: research

A pH-responsive metal-organic framework for the co-delivery of HIF-2 α siRNA and curcumin for enhanced therapy of osteoarthritis
The occurrence of osteoarthritis (OA) is highly correlated with the reduction of joint lubrication performance, in which persistent excessive inflammation and irreversible destruction of cartilage dominate the...
Source: Journal of Nanobiotechnology - January 17, 2023 Category: Nanotechnology Authors: Zi-Jian Zhang, Ying-Ke Hou, Ming-Wa Chen, Xue-Zhao Yu, Si-Yu Chen, Ya-Ru Yue, Xiong-Tian Guo, Jin-Xiang Chen and Quan Zhou Tags: Research Source Type: research

Inhibition of ATF4-mediated elevation of both autophagy and AKT/mTOR was involved in antitumorigenic activity of curcumin
In this study, however, autophagy and mTOR were found to be inhibited simultaneously by curcumin treatments, and both of them played an important role in the effect of curcumin on suppressing the growth of A549 cells. Tunicamycin (TM), the activator of Endoplasmic Reticulum (ER) stress, increased both autophagy and AKT/mTOR, while curcumin could significantly decrease TM-induced autophagy and AKT/mTOR. Furthermore, curcumin could inhibit TM-induced aerobic glycolysis in A549 cells, and decrease the level of cycle-related and migration-related proteins. Blocking activating transcription factor 4 (ATF4) by siRNA strongly red...
Source: Food and Chemical Toxicology - January 14, 2023 Category: Food Science Authors: Jie Yang None Hasenbilige Shibo Bao Shengxiang Luo Liping Jiang Qiujuan Li Ying Kong Jun Cao Source Type: research

Amphiregulin induces CCN2 and fibronectin expression by TGF- β through EGFR-dependent pathway in lung epithelial cells
CONCLUSION: These results suggested that AREG mediates the TGF-β-induced EMT in human lung epithelial cells through EGFR/JNK/AP-1 activation. Understanding the role of AREG in the EMT could foster the development of therapeutic strategies for airway remodeling in severe asthma.PMID:36578010 | DOI:10.1186/s12931-022-02285-2
Source: Cell Research - December 28, 2022 Category: Cytology Authors: Wun-Hao Cheng Shih-Ya Kao Chia-Ling Chen Fara Silvia Yuliani Lee-Yuan Lin Chien-Huang Lin Bing-Chang Chen Source Type: research

Cancers, Vol. 14, Pages 4123: Recent Trends in Nanomedicine-Based Strategies to Overcome Multidrug Resistance in Tumors
lin Cancer is the leading cause of economic and health burden worldwide. The commonly used approaches for the treatment of cancer are chemotherapy, radiotherapy, and surgery. Chemotherapy frequently results in undesirable side effects, and cancer cells may develop resistance. Combating drug resistance is a challenging task in cancer treatment. Drug resistance may be intrinsic or acquired and can be due to genetic factors, growth factors, the increased efflux of drugs, DNA repair, and the metabolism of xenobiotics. The strategies used to combat drug resistance include the nanomedicine-based targeted delivery of drugs an...
Source: Cancers - August 26, 2022 Category: Cancer & Oncology Authors: Muhammad Muzamil Khan Vladimir P. Torchilin Tags: Review Source Type: research

Curcumin Alleviates D-Galactose-Induced Cardiomyocyte Senescence by Promoting Autophagy via the SIRT1/AMPK/mTOR Pathway
Evid Based Complement Alternat Med. 2022 Jul 16;2022:2990843. doi: 10.1155/2022/2990843. eCollection 2022.ABSTRACTOxidative stress and impaired autophagy are the hallmarks of cardiac aging. However, there are no specific drugs available to prevent cardiac aging. Curcumin is a natural polyphenolic drug with antioxidant, antiaging, and autophagy-promoting effects. Here, we describe the preventive role of Curcumin in cardiac aging through the induction of autophagy and the restoration of autophagy via the SIRT1/AMPK/mTOR pathway. The number of cells positive for senescence-associated β-galactosidase, P53, P16, and intracellu...
Source: Evidence-based Complementary and Alternative Medicine - July 26, 2022 Category: Complementary Medicine Authors: Lei Yang Jun Shi Xiaowan Wang Rong Zhang Source Type: research

Recent advances on therapeutic potentials of gold and silver nanobiomaterials for human viral diseases
Curr Res Chem Biol. 2022;2:100021. doi: 10.1016/j.crchbi.2022.100021. Epub 2022 Feb 1.ABSTRACTViral diseases are prominent among the widely spread infections threatening human well-being. Real-life clinical successes of the few available therapeutics are challenged by pathogenic resistance and suboptimal delivery to target sites. Nanotechnology has aided the design of functionalised and non-functionalised Au and Ag nanobiomaterials through physical, chemical and biological (green synthesis) methods with improved antiviral efficacy and delivery. In this review, innovative designs as well as interesting antiviral activities ...
Source: Herpes - July 11, 2022 Category: Infectious Diseases Authors: Yusuf Oloruntoyin Ayipo Ajibola Abdulahi Bakare Umar Muhammad Badeggi Akeem Adebayo Jimoh Amudat Lawal Mohd Nizam Mordi Source Type: research