N, P, S-doped carbon dots as photoluminescent probe for highly sensitive detection of Cu2+ and Fe3+ ions: Applications in cancer cell imaging and real samples DOI

Alagarsamy Priyadharshini,

Kuppu Sakthi Velu,

Ayyakannu Arumugam Napoleon

et al.

Journal of Photochemistry and Photobiology A Chemistry, Journal Year: 2025, Volume and Issue: 462, P. 116267 - 116267

Published: Jan. 6, 2025

Language: Английский

Copper Metabolism and Cuproptosis: Molecular Mechanisms and Therapeutic Perspectives in Neurodegenerative Diseases DOI Creative Commons

Xiao-xia Ban,

Hao Wan, Xin-xing Wan

et al.

Current Medical Science, Journal Year: 2024, Volume and Issue: 44(1), P. 28 - 50

Published: Feb. 1, 2024

Abstract Copper is an essential trace element, and plays a vital role in numerous physiological processes within the human body. During normal metabolism, body maintains copper homeostasis. deficiency or excess can adversely affect cellular function. Therefore, homeostasis stringently regulated. Recent studies suggest that trigger specific form of cell death, namely, cuproptosis, which triggered by excessive levels intracellular copper. Cuproptosis induces aggregation mitochondrial lipoylated proteins, loss iron-sulfur cluster proteins. In neurodegenerative diseases, pathogenesis progression neurological disorders are linked to This review summarizes advances cuproptosis nervous system diseases. offers research perspectives provide new insights into targeted treatment diseases based on cuproptosis.

Language: Английский

Citations

27

Alkyne-tagged SERS nanoprobe for understanding Cu+ and Cu2+ conversion in cuproptosis processes DOI Creative Commons
Sihan Zhang,

Yuxiao Mei,

Jiaqi Liu

et al.

Nature Communications, Journal Year: 2024, Volume and Issue: 15(1)

Published: April 15, 2024

Abstract Simultaneously quantifying mitochondrial Cu + and 2+ levels is crucial for evaluating the molecular mechanisms of copper accumulation-involved pathological processes. Here, a series molecules containing various diacetylene derivatives as Raman reporters are designed synthesized, alkyne-tagged SERS probe created determination with high selectivity sensitivity. The developed generates well-separated distinguishable fingerprint peaks built-in corrections in cellular silent region, resulting accurate quantification . present demonstrates tempo-spatial resolution real-time imaging simultaneously long-term stability benefiting from assembly Au-C≡C groups. Using this powerful tool, it found that increase during ischemia associated breakdown proteins well conversion Meanwhile, we observe parts transported out neurons by ATPase. More importantly, cuproptosis including oxidative stress process caused to , which dominates at early stage (<9 h), subsequent proteotoxic stress. Both stresses contribute neuronal death.

Language: Английский

Citations

16

Cuproptosis: molecular mechanisms, cancer prognosis, and therapeutic applications DOI Creative Commons
Y. Cong, Na Li, Zixin Zhang

et al.

Journal of Translational Medicine, Journal Year: 2025, Volume and Issue: 23(1)

Published: Jan. 22, 2025

Cuproptosis differs from other forms of cell death, such as apoptosis, necroptosis, and ferroptosis, in its unique molecular mechanisms signaling pathways. In this review, we delve into the cellular metabolic pathways copper, highlighting role copper biomolecule synthesis, mitochondrial respiration, antioxidant defense. Furthermore, elucidate relationship between cuproptosis-related genes (CRGs) cancer prognosis, analyzing their expression patterns across various tumor types impact on patient outcomes. Our review also uncovers potential therapeutic applications chelators, ionophores, copper-based nanomaterials oncology. addition, discuss emerging cuproptosis remodeling microenvironment, enhancing immune infiltration, converting "cold tumors" "hot that respond better to immunotherapy. short, underscores pivotal importance biology highlights translational a novel target.

Language: Английский

Citations

6

Common and Trace Metals in Alzheimer’s and Parkinson’s Diseases DOI Open Access
Julia Doroszkiewicz, Jakub Ali Farhan,

Jan Mroczko

et al.

International Journal of Molecular Sciences, Journal Year: 2023, Volume and Issue: 24(21), P. 15721 - 15721

Published: Oct. 29, 2023

Trace elements and metals play critical roles in the normal functioning of central nervous system (CNS), their dysregulation has been implicated neurodegenerative disorders such as Alzheimer’s disease (AD) Parkinson’s (PD). In a healthy CNS, zinc, copper, iron, manganese vital enzyme cofactors, supporting neurotransmission, cellular metabolism, antioxidant defense. Imbalances these trace can lead to oxidative stress, protein aggregation, mitochondrial dysfunction, thereby contributing neurodegeneration. AD, copper zinc imbalances are associated with amyloid-beta tau pathology, impacting cognitive function. PD involves disruption iron levels, leading damage neuronal loss. Toxic metals, like cadmium, impair synaptic transmission exacerbate neuroinflammation, CNS health. The role aluminum AD neurofibrillary tangle formation also noted. Understanding health might offer potential therapeutic targets for disorders. Codex Alimentarius standards concerning mentioned foods may be one key legal contributions safeguarding public Further research is needed fully comprehend complex mechanisms develop effective interventions.

Language: Английский

Citations

38

Near-Infrared Ratiometric Fluorescent Probe for Detecting Endogenous Cu2+ in the Brain DOI
Jianping Zhu, Marcus E. Graziotto,

Veronica Cottam

et al.

ACS Sensors, Journal Year: 2024, Volume and Issue: 9(6), P. 2858 - 2868

Published: May 24, 2024

Copper participates in a range of critical functions the nervous system and human brain. Disturbances brain copper content is strongly associated with neurological diseases. For example, changes level distribution are reported neuroblastoma, Alzheimer's disease, Lewy body disorders, such as Parkinson disease dementia bodies (DLB). There need for more sensitive techniques to measure intracellular levels have better understanding role homeostasis neuronal disorders. Here, we report reaction-based near-infrared (NIR) ratiometric fluorescent probe

Language: Английский

Citations

15

Impact of TNF and IL-33 Cytokines on Mast Cells in Neuroinflammation DOI Open Access
Pio Conti,

Gianpaolo Ronconi,

D Lauritano

et al.

International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(6), P. 3248 - 3248

Published: March 13, 2024

Mast cells (MCs) are derived from hematopoietic progenitors, mature in vascularized tissues, and participate innate acquired immunity. Neuroinflammation is a highly debated topic the biomedical literature; however, impact of tumor necrosis factor (TNF) IL-33 on MCs brain has not been widely addressed. can be activated by IgE binding to FcεRI, as well different antigens. After activation, mediate various immunological inflammatory responses through TNF IL-33. two receptors: TNFR1, p55 molecule, TNFR2, p75 molecule. This cytokine only one its kind stored granules also generated de novo synthesis via mRNA. In central nervous system (CNS), produced almost exclusively microglial cells, neurons, astrocytes, and, minimally, endothelial cells. release into tissue, rapidly induces adhesion molecules leukocyte molecule 1 (ELAM-1), intercellular (ICAM-1), vascular cell (VCAM-1) causes chemoattraction neutrophils inducing several molecules, including CXC chemokines (IL-8). Both act primary barrier against foreign CNS, producing pro-inflammatory cytokines such belongs IL-1 family, ST2L/IL1-RAcP receptor complex, mediates both adaptive immune response. nuclear transcription expressed brain, where it (TNF IL-1) (CCL2, CCL3, CCL5, CXCL10). Therefore, microglia CNS source cytokines, IL-33, that many diseases. The inhibition may represent new therapeutic approach could complement existing neuroinflammatory therapies.

Language: Английский

Citations

13

Atox1 protects hippocampal neurons after traumatic brain injury via DJ-1 mediated anti-oxidative stress and mitophagy DOI Creative Commons
Pengzhan Zhao,

Wenqian Shi,

Yangfan Ye

et al.

Redox Biology, Journal Year: 2024, Volume and Issue: 72, P. 103156 - 103156

Published: April 12, 2024

Regulation of the oxidative stress response is crucial for management and prognosis traumatic brain injury (TBI). The copper chaperone Antioxidant 1 (Atox1) plays a role in regulating intracellular ion balance impacting antioxidant capacity mitochondria, as well state cells. However, it remains unknown whether Atox1 involved modulating following TBI. Here, we investigated regulatory on neurons both vivo vitro, elucidated underlying mechanism through culturing hippocampal HT-22 cells with mutation. expression was significantly diminished TBI, while mice overexpressed exhibited more preserved structure reduced levels post-TBI. Furthermore, displayed notable impairments learning memory functions after which were ameliorated by overexpression Atox1. In stretch model cells, mitigated preserving normal morphology network connectivity facilitating elimination damaged mitochondria. Mechanistically, co-immunoprecipitation mass spectrometry revealed binding to DJ-1. Knockdown DJ-1 impaired Mutations copper-binding motif or sequestration free led substantial decrease interaction between DJ-1, failing restore mutants. findings suggest that mediates ability withstand stress. And targeting could be potential therapeutic approach addressing post-traumatic neurological dysfunction.

Language: Английский

Citations

12

Fluorescence chemosensor for anion recognition, solvatochromism and protein binding studies based on Schiff- base derivative DOI

Shunmugasundaram Gurusamy,

Murugesan Sankarganesh, Veerasamy Sathish

et al.

Journal of Molecular Structure, Journal Year: 2024, Volume and Issue: 1312, P. 138542 - 138542

Published: May 6, 2024

Language: Английский

Citations

11

Dysfunction in atox-1 and ceruloplasmin alters labile Cu levels and consequently Cu homeostasis in C. elegans DOI Creative Commons
Ann-Kathrin Weishaupt,

Karsten Lamann,

Elke Tallarek

et al.

Frontiers in Molecular Biosciences, Journal Year: 2024, Volume and Issue: 11

Published: Feb. 8, 2024

Copper (Cu) is an essential trace element, however excess toxic due to its redox properties. Cu homeostasis therefore needs be tightly regulated via cellular transporters, storage proteins and exporters. An imbalance in has been associated with neurodegenerative disorders such as Wilson’s disease, but also Alzheimer’s or Parkinson’s disease. In our current study, we explored the utility of using Caenorhabditis elegans ( C. ) a model dyshomeostasis. The application dosing use mutants lacking intracellular chaperone atox-1 major protein ceruloplasmin facilitated assessment status, functional markers including total levels, labile distribution gene expression homeostasis-related genes. Our data revealed decrease uptake increase levels genetic dysfunction, well altered homeostasis-associated addition, uncovered role play worm’s homeostasis. This study provides insights into suitable , focus on promising marker dysregulation during disease progression.

Language: Английский

Citations

9

lncRNAs as prognostic markers and therapeutic targets in cuproptosis-mediated cancer DOI Creative Commons
Asif Ahmad Bhat, Muhammad Afzal, Ehssan Moglad

et al.

Clinical and Experimental Medicine, Journal Year: 2024, Volume and Issue: 24(1)

Published: Sept. 26, 2024

Abstract Long non-coding RNAs (lncRNAs) have emerged as crucial regulators in various cellular processes, including cancer progression and stress response. Recent studies demonstrated that copper accumulation induces a unique form of cell death known cuproptosis, with lncRNAs playing key role regulating cuproptosis-associated pathways. These may trigger cell-specific responses to stress, presenting new opportunities prognostic markers therapeutic targets. This paper delves into the cuproptosis-mediated cancer, underscoring their potential biomarkers targets for innovative strategies. A thorough review scientific literature was conducted, utilizing databases such PubMed, Google Scholar, ScienceDirect, search terms like 'lncRNAs,' 'cuproptosis,' 'cancer.' Studies were selected based on relevance lncRNA regulation cuproptosis pathways implications prognosis treatment. The highlights significant contribution cuproptosis-related genes pathways, impacting metabolism, mitochondrial responses, apoptotic signaling. Specific are breast, lung, liver, ovarian, pancreatic, gastric cancers. objective this article is explore cancers mediated by cuproptosis.

Language: Английский

Citations

9