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nrf2 transcription factor assay kit (cat. no. 600590)  (Cayman Chemical)


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    Cayman Chemical nrf2 transcription factor assay kit (cat. no. 600590)
    Nrf2 Transcription Factor Assay Kit (Cat. No. 600590), supplied by Cayman Chemical, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/nrf2+transcription+factor+assay+kit/nrf2+transcription+factor+assay+kit/pm40553247-163-15-23
    Average 90 stars, based on 1 article reviews
    nrf2 transcription factor assay kit (cat. no. 600590) - by Bioz Stars, 2026-09
    90/100 stars

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    Related Articles

    Blocking Assay:

    Article Title: Neuroprotective Effects of Pulicaria incisa Infusion on Human Neuroblastoma Cells and Hippocampal Neurons
    Article Snippet: The cells were pretreated with Pi infusion, after which, 200 μM H 2 O 2 was added for an additional 2 h or 18 h. Nuclear proteins were extracted using a nuclear extraction kit (Cayman Chemical, Ann Arbor, MI, USA), according to the manufacturer’s instructions, and protein concentrations were determined using the BCA protein assay kit (Pierce Biotechnology, Rockford, lL, USA). .. Equal amounts (20 μg protein) from each sample were tested (27 °C in a heated block) for Nrf2 levels using the Nrf2 Transcription Factor Assay kit (Cayman Chemical, Ann Arbor, MI, USA). ..

    Transcription Factor Assay:

    Article Title: Neuroprotective Effects of Pulicaria incisa Infusion on Human Neuroblastoma Cells and Hippocampal Neurons
    Article Snippet: The cells were pretreated with Pi infusion, after which, 200 μM H 2 O 2 was added for an additional 2 h or 18 h. Nuclear proteins were extracted using a nuclear extraction kit (Cayman Chemical, Ann Arbor, MI, USA), according to the manufacturer’s instructions, and protein concentrations were determined using the BCA protein assay kit (Pierce Biotechnology, Rockford, lL, USA). .. Equal amounts (20 μg protein) from each sample were tested (27 °C in a heated block) for Nrf2 levels using the Nrf2 Transcription Factor Assay kit (Cayman Chemical, Ann Arbor, MI, USA). ..

    Article Title: Suppression of colonic oxidative stress caused by chronic ethanol administration and attenuation of ethanol-induced colitis and gut leakiness by oral administration of sesaminol in mice.
    Article Snippet: Protein concentration was determined using a protein assay reagent (Bio-Rad Laboratories). .. Known amounts of the extracted nuclear proteins were used for ELISA for activation of NF-κB and Nrf2 by using the TransAM® NFκB p65 transcription factor assay kit (Active Motif; Carlsbad, CA, USA) and Nrf2 transcription factor assay kit (Cayman Chemical), respectively, according to the manufacturers’ guidelines. .. Activities of plasma alanine aminotransferase (ALT) and aspartate aminotransferase (AST), as well as plasma triacylglycerol (TG), were measured using kits (L-Type Wako ALT, L-Type Wako AST, and L-Type Wako TG M, respectively), each obtained from FUJIFILM Wako Pure Chemical.

    Article Title: Hydrogen Attenuated Inflammation Response and Oxidative in Hypoxic Ischemic Encephalopathy via Nrf2 Mediated the Inhibition of NLRP3 and NF-κB.
    Article Snippet: Hypoxia and ischemia cause neonatal encephalopathy and brain injury and can further result in cerebral palsy, cognitive impairment, growth restriction, and epilepsy.. Induction of neuroprotection is a crucial therapeutic strategy for the treatment of perinatal hypoxic–ischaemic encephalopathy (HIE).. Hydrogen has neuroprotective effects against brain-related diseases.

    Article Title: 3',4'-Dihydroxyflavone mitigates inflammatory responses by inhibiting LPS and TLR4/MD2 interaction.
    Article Snippet: Background: We previously reported the potential inhibitory activity of 3ʹ,4ʹ-dihydroxyflavone (DHF) on nitric oxide (NO) and prostaglandin E2 (PGE2) production in lipopolysaccharide (LPS)-stimulated macrophages.. Purpose: We investigated the underlying molecular mechanisms of DHF in LPS-activated macrophages and evaluated its effect on LPS-induced septic shock in mice.. Methods: To explore the anti-inflammatory effect of DHF, nitrite, PGE2, and cytokines were measured in vitro and in vivo experiments.

    Article Title: Amelioration of diabetic kidney injury with dapagliflozin is associated with suppressing renal HMGB1 expression and restoring autophagy in obese mice.
    Article Snippet: Diabetic kidney disease (DKD) is a major cause of chronic and end-stage renal disease in diabetic patients.. Here, we investigated protective effects and possible mechanisms of dapagliflozin on renal injury in diabetic mice.. DKD mice were established by high fat diet (HFD) feeding.

    Article Title: LINC00908 Inactivates Wnt/β‐Catenin Signaling Pathway to Inhibit Prostate Cancer Cell Stemness via Upregulating GSK3B and FBXW2
    Article Snippet: Cycloheximide (CHX; 50 μg/mL) and actinomycin D (ActD; 4 μM) were purchased from Sigma‐Aldrich (St. Louis, MO, USA), while Selleck Chemicals (Houston, TX, USA) supplied MG132 (25 μM). .. For the activity detection of several signaling pathways, Notch1/CSL Reporter Kit (amsbio, Madrid, Spain), NF‐κB (p65) Transcription Factor Assay Kit (Cayman, Cayman, England), STAT3 Transcription Factor Assay Kit (Cayman), TCF/LEF Reporter kit (for Wnt pathway; amsbio), AKT Activity Assay Kit (Biovision, San Francisco, CA, USA), NRF2 Transcription Factor Assay Kit (Cayman), Human sonic hedgehog ELISA kit (amsbio), JNK Activity Assay kit (Abcam), and SRE Reporter Kit (for MAPK/ERK Signaling Pathway; amsbio) were applied. .. The overexpression vectors for LINC00908, YY1, HDAC2, p300, and FBXW2 and the respective negative control (NC), miR‐3179 mimics and miR‐NC, sh‐GSK3B#1 and sh‐NC, sh‐FBXW2#1 and sh‐NC, shRNAs targeting LINC00908 (sh/LINC00908#1 and sh/LINC00908#2) and sh/NC, shRNAs targeting DDX3X (sh/DDX3X#1 and sh/DDX3X#2) and sh/NC were cloned utilizing Genepharma.

    Article Title: Mechanisms of PM 10 Disruption of the Nrf2 Pathway in Cornea
    Article Snippet: .. This assay was performed using Nrf2 transcription factor assay kit (catalog# 600590, Cayman Chemical, Ann Arbor, MI, USA) per the manufacturer’s protocol and as reported previously [ ]. ..

    Article Title: Nrf2 activation by hydroxytyrosol and dimethyl fumarate ameliorates skin tissue repair in high-fat diet-fed mice by promoting M2 macrophage polarization and normalizing inflammatory response and oxidative damage.
    Article Snippet: Funding information Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro Abstract Hydroxytyrosol (HT) or dimethyl fumarate (DMF), activators of nuclear factor erythroid 2‐related factor 2 (Nrf2), may reduce obesity in high‐fat diet (HFD)‐fed animals; nevertheless, the role of these activators on skin tissue repair of HFD‐fed animals was not reported.. This study investigated whether HT or DMF could improve skin wound healing of HFD‐fed obese animals.. Mice were fed with an HFD, treated with HT or DMF, and full‐thickness skin wounds were created.

    Enzyme-linked Immunosorbent Assay:

    Article Title: Suppression of colonic oxidative stress caused by chronic ethanol administration and attenuation of ethanol-induced colitis and gut leakiness by oral administration of sesaminol in mice.
    Article Snippet: Protein concentration was determined using a protein assay reagent (Bio-Rad Laboratories). .. Known amounts of the extracted nuclear proteins were used for ELISA for activation of NF-κB and Nrf2 by using the TransAM® NFκB p65 transcription factor assay kit (Active Motif; Carlsbad, CA, USA) and Nrf2 transcription factor assay kit (Cayman Chemical), respectively, according to the manufacturers’ guidelines. .. Activities of plasma alanine aminotransferase (ALT) and aspartate aminotransferase (AST), as well as plasma triacylglycerol (TG), were measured using kits (L-Type Wako ALT, L-Type Wako AST, and L-Type Wako TG M, respectively), each obtained from FUJIFILM Wako Pure Chemical.

    Article Title: LINC00908 Inactivates Wnt/β‐Catenin Signaling Pathway to Inhibit Prostate Cancer Cell Stemness via Upregulating GSK3B and FBXW2
    Article Snippet: Cycloheximide (CHX; 50 μg/mL) and actinomycin D (ActD; 4 μM) were purchased from Sigma‐Aldrich (St. Louis, MO, USA), while Selleck Chemicals (Houston, TX, USA) supplied MG132 (25 μM). .. For the activity detection of several signaling pathways, Notch1/CSL Reporter Kit (amsbio, Madrid, Spain), NF‐κB (p65) Transcription Factor Assay Kit (Cayman, Cayman, England), STAT3 Transcription Factor Assay Kit (Cayman), TCF/LEF Reporter kit (for Wnt pathway; amsbio), AKT Activity Assay Kit (Biovision, San Francisco, CA, USA), NRF2 Transcription Factor Assay Kit (Cayman), Human sonic hedgehog ELISA kit (amsbio), JNK Activity Assay kit (Abcam), and SRE Reporter Kit (for MAPK/ERK Signaling Pathway; amsbio) were applied. .. The overexpression vectors for LINC00908, YY1, HDAC2, p300, and FBXW2 and the respective negative control (NC), miR‐3179 mimics and miR‐NC, sh‐GSK3B#1 and sh‐NC, sh‐FBXW2#1 and sh‐NC, shRNAs targeting LINC00908 (sh/LINC00908#1 and sh/LINC00908#2) and sh/NC, shRNAs targeting DDX3X (sh/DDX3X#1 and sh/DDX3X#2) and sh/NC were cloned utilizing Genepharma.

    Activation Assay:

    Article Title: Suppression of colonic oxidative stress caused by chronic ethanol administration and attenuation of ethanol-induced colitis and gut leakiness by oral administration of sesaminol in mice.
    Article Snippet: Protein concentration was determined using a protein assay reagent (Bio-Rad Laboratories). .. Known amounts of the extracted nuclear proteins were used for ELISA for activation of NF-κB and Nrf2 by using the TransAM® NFκB p65 transcription factor assay kit (Active Motif; Carlsbad, CA, USA) and Nrf2 transcription factor assay kit (Cayman Chemical), respectively, according to the manufacturers’ guidelines. .. Activities of plasma alanine aminotransferase (ALT) and aspartate aminotransferase (AST), as well as plasma triacylglycerol (TG), were measured using kits (L-Type Wako ALT, L-Type Wako AST, and L-Type Wako TG M, respectively), each obtained from FUJIFILM Wako Pure Chemical.

    Activity Assay:

    Article Title: Hydrogen Attenuated Inflammation Response and Oxidative in Hypoxic Ischemic Encephalopathy via Nrf2 Mediated the Inhibition of NLRP3 and NF-κB.
    Article Snippet: Hypoxia and ischemia cause neonatal encephalopathy and brain injury and can further result in cerebral palsy, cognitive impairment, growth restriction, and epilepsy.. Induction of neuroprotection is a crucial therapeutic strategy for the treatment of perinatal hypoxic–ischaemic encephalopathy (HIE).. Hydrogen has neuroprotective effects against brain-related diseases.

    Article Title: 3',4'-Dihydroxyflavone mitigates inflammatory responses by inhibiting LPS and TLR4/MD2 interaction.
    Article Snippet: Background: We previously reported the potential inhibitory activity of 3ʹ,4ʹ-dihydroxyflavone (DHF) on nitric oxide (NO) and prostaglandin E2 (PGE2) production in lipopolysaccharide (LPS)-stimulated macrophages.. Purpose: We investigated the underlying molecular mechanisms of DHF in LPS-activated macrophages and evaluated its effect on LPS-induced septic shock in mice.. Methods: To explore the anti-inflammatory effect of DHF, nitrite, PGE2, and cytokines were measured in vitro and in vivo experiments.

    Article Title: LINC00908 Inactivates Wnt/β‐Catenin Signaling Pathway to Inhibit Prostate Cancer Cell Stemness via Upregulating GSK3B and FBXW2
    Article Snippet: Cycloheximide (CHX; 50 μg/mL) and actinomycin D (ActD; 4 μM) were purchased from Sigma‐Aldrich (St. Louis, MO, USA), while Selleck Chemicals (Houston, TX, USA) supplied MG132 (25 μM). .. For the activity detection of several signaling pathways, Notch1/CSL Reporter Kit (amsbio, Madrid, Spain), NF‐κB (p65) Transcription Factor Assay Kit (Cayman, Cayman, England), STAT3 Transcription Factor Assay Kit (Cayman), TCF/LEF Reporter kit (for Wnt pathway; amsbio), AKT Activity Assay Kit (Biovision, San Francisco, CA, USA), NRF2 Transcription Factor Assay Kit (Cayman), Human sonic hedgehog ELISA kit (amsbio), JNK Activity Assay kit (Abcam), and SRE Reporter Kit (for MAPK/ERK Signaling Pathway; amsbio) were applied. .. The overexpression vectors for LINC00908, YY1, HDAC2, p300, and FBXW2 and the respective negative control (NC), miR‐3179 mimics and miR‐NC, sh‐GSK3B#1 and sh‐NC, sh‐FBXW2#1 and sh‐NC, shRNAs targeting LINC00908 (sh/LINC00908#1 and sh/LINC00908#2) and sh/NC, shRNAs targeting DDX3X (sh/DDX3X#1 and sh/DDX3X#2) and sh/NC were cloned utilizing Genepharma.

    Article Title: Nrf2 activation by hydroxytyrosol and dimethyl fumarate ameliorates skin tissue repair in high-fat diet-fed mice by promoting M2 macrophage polarization and normalizing inflammatory response and oxidative damage.
    Article Snippet: Funding information Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro Abstract Hydroxytyrosol (HT) or dimethyl fumarate (DMF), activators of nuclear factor erythroid 2‐related factor 2 (Nrf2), may reduce obesity in high‐fat diet (HFD)‐fed animals; nevertheless, the role of these activators on skin tissue repair of HFD‐fed animals was not reported.. This study investigated whether HT or DMF could improve skin wound healing of HFD‐fed obese animals.. Mice were fed with an HFD, treated with HT or DMF, and full‐thickness skin wounds were created.

    Binding Assay:

    Article Title: 3',4'-Dihydroxyflavone mitigates inflammatory responses by inhibiting LPS and TLR4/MD2 interaction.
    Article Snippet: Background: We previously reported the potential inhibitory activity of 3ʹ,4ʹ-dihydroxyflavone (DHF) on nitric oxide (NO) and prostaglandin E2 (PGE2) production in lipopolysaccharide (LPS)-stimulated macrophages.. Purpose: We investigated the underlying molecular mechanisms of DHF in LPS-activated macrophages and evaluated its effect on LPS-induced septic shock in mice.. Methods: To explore the anti-inflammatory effect of DHF, nitrite, PGE2, and cytokines were measured in vitro and in vivo experiments.

    Extraction:

    Article Title: Amelioration of diabetic kidney injury with dapagliflozin is associated with suppressing renal HMGB1 expression and restoring autophagy in obese mice.
    Article Snippet: Diabetic kidney disease (DKD) is a major cause of chronic and end-stage renal disease in diabetic patients.. Here, we investigated protective effects and possible mechanisms of dapagliflozin on renal injury in diabetic mice.. DKD mice were established by high fat diet (HFD) feeding.

    Protein-Protein interactions:

    Article Title: LINC00908 Inactivates Wnt/β‐Catenin Signaling Pathway to Inhibit Prostate Cancer Cell Stemness via Upregulating GSK3B and FBXW2
    Article Snippet: Cycloheximide (CHX; 50 μg/mL) and actinomycin D (ActD; 4 μM) were purchased from Sigma‐Aldrich (St. Louis, MO, USA), while Selleck Chemicals (Houston, TX, USA) supplied MG132 (25 μM). .. For the activity detection of several signaling pathways, Notch1/CSL Reporter Kit (amsbio, Madrid, Spain), NF‐κB (p65) Transcription Factor Assay Kit (Cayman, Cayman, England), STAT3 Transcription Factor Assay Kit (Cayman), TCF/LEF Reporter kit (for Wnt pathway; amsbio), AKT Activity Assay Kit (Biovision, San Francisco, CA, USA), NRF2 Transcription Factor Assay Kit (Cayman), Human sonic hedgehog ELISA kit (amsbio), JNK Activity Assay kit (Abcam), and SRE Reporter Kit (for MAPK/ERK Signaling Pathway; amsbio) were applied. .. The overexpression vectors for LINC00908, YY1, HDAC2, p300, and FBXW2 and the respective negative control (NC), miR‐3179 mimics and miR‐NC, sh‐GSK3B#1 and sh‐NC, sh‐FBXW2#1 and sh‐NC, shRNAs targeting LINC00908 (sh/LINC00908#1 and sh/LINC00908#2) and sh/NC, shRNAs targeting DDX3X (sh/DDX3X#1 and sh/DDX3X#2) and sh/NC were cloned utilizing Genepharma.



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    Image Search Results


    Nrf2 gene expression and DNA binding activity in Nrf2 +/+ and Nrf2 +/− mice. ( A ): Nrf2 mRNA levels in the cortex of Nrf2 +/+ and Nrf2 +/− mice ( n = 3–5). ( B , C ): DNA binding ability of Nrf2 assessed in the nuclear extracts of the cortex and liver of Nrf2 +/+ ( n = 4) and Nrf2 +/− ( n = 4–5) mice using Trans−AM motif assay. Data are presented as mean ± SEM. * indicate a significant difference ( p < 0.05) from Nrf2 +/+ mice.

    Journal: Nutrients

    Article Title: Accelerated Aging Induced by an Unhealthy High-Fat Diet: Initial Evidence for the Role of Nrf2 Deficiency and Impaired Stress Resilience in Cellular Senescence

    doi: 10.3390/nu16070952

    Figure Lengend Snippet: Nrf2 gene expression and DNA binding activity in Nrf2 +/+ and Nrf2 +/− mice. ( A ): Nrf2 mRNA levels in the cortex of Nrf2 +/+ and Nrf2 +/− mice ( n = 3–5). ( B , C ): DNA binding ability of Nrf2 assessed in the nuclear extracts of the cortex and liver of Nrf2 +/+ ( n = 4) and Nrf2 +/− ( n = 4–5) mice using Trans−AM motif assay. Data are presented as mean ± SEM. * indicate a significant difference ( p < 0.05) from Nrf2 +/+ mice.

    Article Snippet: Equal concentrations of isolated nuclear protein (30 μg) were employed to assess Nrf2 DNA-binding capability using the TransAM Nrf2 transcription factor assay kit from Active Motif.

    Techniques: Gene Expression, Binding Assay, Activity Assay

    Impact of partial Nrf2 ablation and HFD on metabolic parameters. Nrf2 +/+ and Nrf2 +/− mice were fed with standard diet (SD) or high-fat diet (HFD) for 20 weeks. ( A – D ): Final body weight (BW), fasting blood glucose, fasting insulin, and HOMA-IR index measured in Nrf2 +/+ ( n = 7–9) and Nrf2 +/− ( n = 6–7) mice after 20 weeks of respective dietary treatment. Data are presented as mean ± SEM. * denotes a significant difference ( p < 0.05) from the indicated group.

    Journal: Nutrients

    Article Title: Accelerated Aging Induced by an Unhealthy High-Fat Diet: Initial Evidence for the Role of Nrf2 Deficiency and Impaired Stress Resilience in Cellular Senescence

    doi: 10.3390/nu16070952

    Figure Lengend Snippet: Impact of partial Nrf2 ablation and HFD on metabolic parameters. Nrf2 +/+ and Nrf2 +/− mice were fed with standard diet (SD) or high-fat diet (HFD) for 20 weeks. ( A – D ): Final body weight (BW), fasting blood glucose, fasting insulin, and HOMA-IR index measured in Nrf2 +/+ ( n = 7–9) and Nrf2 +/− ( n = 6–7) mice after 20 weeks of respective dietary treatment. Data are presented as mean ± SEM. * denotes a significant difference ( p < 0.05) from the indicated group.

    Article Snippet: Equal concentrations of isolated nuclear protein (30 μg) were employed to assess Nrf2 DNA-binding capability using the TransAM Nrf2 transcription factor assay kit from Active Motif.

    Techniques:

    Partial Nrf2 ablation increases the expression of senescence markers in peripheral tissues. Analysis of Cdkn2a (p16 INK4a ) gene expression in the liver ( A ) and epididymal white adipose tissue (eWAT) ( B ) samples from Nrf2 +/+ and Nrf2 +/− mice after 20 weeks of consuming a standard diet (SD) or high fat diet (HFD) ( n = 3−6/group). Data are presented as mean ± SEM. * indicates a significant difference ( p < 0.05) from the indicated group.

    Journal: Nutrients

    Article Title: Accelerated Aging Induced by an Unhealthy High-Fat Diet: Initial Evidence for the Role of Nrf2 Deficiency and Impaired Stress Resilience in Cellular Senescence

    doi: 10.3390/nu16070952

    Figure Lengend Snippet: Partial Nrf2 ablation increases the expression of senescence markers in peripheral tissues. Analysis of Cdkn2a (p16 INK4a ) gene expression in the liver ( A ) and epididymal white adipose tissue (eWAT) ( B ) samples from Nrf2 +/+ and Nrf2 +/− mice after 20 weeks of consuming a standard diet (SD) or high fat diet (HFD) ( n = 3−6/group). Data are presented as mean ± SEM. * indicates a significant difference ( p < 0.05) from the indicated group.

    Article Snippet: Equal concentrations of isolated nuclear protein (30 μg) were employed to assess Nrf2 DNA-binding capability using the TransAM Nrf2 transcription factor assay kit from Active Motif.

    Techniques: Expressing, Gene Expression

    Induction of senescence in brain microvascular endothelial cells due to partial Nrf2 ablation. ( A ) Representative images of immunofluorescent labeling used to detect p16-RFP in endomucin+ endothelial cells in the hippocampus of Nrf2 +/+ and Nrf2 +/− mice after 20 weeks of consuming a standard diet (SD) or high fat diet (HFD) ( n = 4/group). White arrows indicate the presence of mRFP positive senescent endothelial cells in the hippocampus. ( B ) Quantification of the p16-RFP+/endomucin+ endothelial cells in the hippocampi of all the groups. Data are presented as mean ± SEM. * p < 0.05.

    Journal: Nutrients

    Article Title: Accelerated Aging Induced by an Unhealthy High-Fat Diet: Initial Evidence for the Role of Nrf2 Deficiency and Impaired Stress Resilience in Cellular Senescence

    doi: 10.3390/nu16070952

    Figure Lengend Snippet: Induction of senescence in brain microvascular endothelial cells due to partial Nrf2 ablation. ( A ) Representative images of immunofluorescent labeling used to detect p16-RFP in endomucin+ endothelial cells in the hippocampus of Nrf2 +/+ and Nrf2 +/− mice after 20 weeks of consuming a standard diet (SD) or high fat diet (HFD) ( n = 4/group). White arrows indicate the presence of mRFP positive senescent endothelial cells in the hippocampus. ( B ) Quantification of the p16-RFP+/endomucin+ endothelial cells in the hippocampi of all the groups. Data are presented as mean ± SEM. * p < 0.05.

    Article Snippet: Equal concentrations of isolated nuclear protein (30 μg) were employed to assess Nrf2 DNA-binding capability using the TransAM Nrf2 transcription factor assay kit from Active Motif.

    Techniques: Labeling

    Schematic illustration of the relationship between consumption of HFD/obesity, oxidative stress, Nrf2 deficiency, and cellular senescence in accelerated aging. Dysfunctional mitochondria, NADPH oxidases, ER stress from misfolded proteins, metabolic processes in peroxisomes, and inflammasomes are major sources of increased reactive oxygen species (ROS) levels in obesity. Nrf2 plays a crucial role in maintaining cellular redox homeostasis. Under conditions of oxidative stress, Nrf2 is released from the Keap1−Cul3−RBX1 complex, after which it translocates into the nucleus, forms heterodimers with small Maf proteins (sMaf), and binds to antioxidant response elements (AREs). This activation leads to the transcription of genes encoding antioxidant enzymes, DNA repair mechanisms and proteins that confer anti-inflammatory effects, facilitating ROS detoxification and restoration of cellular homeostasis. Conversely, impaired Nrf2 activation results in the accumulation of toxic levels of ROS, inducing macromolecular damage like DNA breaks, and triggering senescence, ultimately leading to an accelerated aging phenotype.

    Journal: Nutrients

    Article Title: Accelerated Aging Induced by an Unhealthy High-Fat Diet: Initial Evidence for the Role of Nrf2 Deficiency and Impaired Stress Resilience in Cellular Senescence

    doi: 10.3390/nu16070952

    Figure Lengend Snippet: Schematic illustration of the relationship between consumption of HFD/obesity, oxidative stress, Nrf2 deficiency, and cellular senescence in accelerated aging. Dysfunctional mitochondria, NADPH oxidases, ER stress from misfolded proteins, metabolic processes in peroxisomes, and inflammasomes are major sources of increased reactive oxygen species (ROS) levels in obesity. Nrf2 plays a crucial role in maintaining cellular redox homeostasis. Under conditions of oxidative stress, Nrf2 is released from the Keap1−Cul3−RBX1 complex, after which it translocates into the nucleus, forms heterodimers with small Maf proteins (sMaf), and binds to antioxidant response elements (AREs). This activation leads to the transcription of genes encoding antioxidant enzymes, DNA repair mechanisms and proteins that confer anti-inflammatory effects, facilitating ROS detoxification and restoration of cellular homeostasis. Conversely, impaired Nrf2 activation results in the accumulation of toxic levels of ROS, inducing macromolecular damage like DNA breaks, and triggering senescence, ultimately leading to an accelerated aging phenotype.

    Article Snippet: Equal concentrations of isolated nuclear protein (30 μg) were employed to assess Nrf2 DNA-binding capability using the TransAM Nrf2 transcription factor assay kit from Active Motif.

    Techniques: Activation Assay