Journal: JID Innovations

Article Title: High-salt diet aggravates skin inflammation of psoriasis-like mouse model with CCL20‒CCR6 axis further activation

doi: 10.1016/j.xjidi.2026.100451

Figure Lengend Snippet: Increasing sodium concentration upregulates Ccl20 expression in KCs through the JNK/p38–SGK1 pathway. ( a ) qPCR analysis of selected chemokines, cytokines, and Sgk1 in KCs (n = 5 for each group). (b) Immunoblot analysis of p38, phosphorylated p38, JNK, and phosphorylated JNK in KCs for different time (0 min, 30 min, 60 min), and tubulin was used as control. The relative densitometry of all bands (arbitrary unit) was normalized to the level of 0 min (n = 3 for each group). (c) qPCR analysis of Ccl20 and Sgk1 RNA expression in KCs treated with pharmacological inhibitors (n = 3 for each group). Data are shown as mean ± SEM. For a, P -values were determined by 2-tailed Student’s t -test. For c, P -values were determined by 1-way ANOVA. ∗∗ P < .01, ∗∗∗ P < .01, and ∗∗∗∗ P < .0001. KC, keratinocyte; min, minute.

Article Snippet: JNK Rabbit mAb (Cell Signaling Technology, catalog number 5292), phosphorylated JNK Rabbit mAb (Cell Signaling Technology, catalog number 4668), p38 Rabbit mAb (Cell Signaling Technology, catalog number 8690), phosphorylated p38 Rabbit mAb (Cell Signaling Technology, catalog number 4511), mouse anti-Alpha Tubulin mAb (Proteintech, catalog number HRP-66031) were used as primary antibodies, and goat antirabbit antibody (Abcam, catalog number ab6721) was used as secondary antibody.

Techniques: Concentration Assay, Expressing, Western Blot, Control, RNA Expression

Journal: iScience

Article Title: AKG-TET axis is central to senescence plasticity

doi: 10.1016/j.isci.2025.114298

Figure Lengend Snippet: AKG-TET deficiency leads to replicative senescence aHDFs (3 × 10 5 cells/mL) were seeded in each culture plate and were treated, in triplicate, without (UT) or treated (T) with C35 (5 μM), peptides (20 μM), TET1 siRNA ( TET1 i ; 300 nM). Cells treated with Bleomycin (Bleo; 5 μg/mL), or H 2 O 2 (100 μM) were used as positive control. Cells were incubated with 30 μM BrdU for 18 h prior to removal of both the cells and culture media following 7 days of treatment. (A) Heatmap of TET gene expression. (B) TET activity and global DNA levels of 5 mC, 5hmC, and 5 fC. (C) Expression patterns of energy/stress and nutrient-sensing pathways in aging PBMCs mirror those observed in young, actively replicating aHDFs (week 3) undergoing senescence, as well as those treated with TET1 i , C35, and RLS. (D) Expression level of hTERT , NAMPT , and PCNA . (E) Expression level of COL1A1 and ELN. (F) Cellular UPS activity, ATP, NAD + /NADH ratio, and LC3B levels. (G) Cellular levels of LC3B without (−) and after pre-treatment with (+) Bafilomycin A1 (1 μM) for 24 h. (H) Cellular ROS. (I) Extent of oxidative DNA damage assessed by the cellular level of 8OHdG. Positive control was comprised of cells treated with H 2 O 2 and Bleomycin (Bleo). Negative control was comprised of cells treated with CLV. (J) γH2AX immunolocalized to nuclei. For positive control, cells were treated with Bleomycin (Bleo). Intranuclear γH2AX (green) appears as focal spots (red arrows) or as a diffuse pan-nuclear pattern (yellow arrows) in nuclei marked by DAPI (blue) staining. Nuclei are further highlighted by double hashed lines. The boxes in the left pane (scale bars 10 μM) are magnified in the right insets (scale bars 2.5 μm). (K) NFKB1 gene expression. (L) Level of intra-nuclear phosphorylated p65 (p65P). (M) Cellular levels of ROS, IL6, and IL8 were secreted into culture media. (N) Expression levels of senescence markers ( CDKN2A , CDKN1A , CDKN1B , LTA4H , TIMP1 , and MMP1 ). (O) Expression level of LDH toxicity, SAβ-Gal activity, and extracellular level of lactic acid (LA). (P) LDHA1 gene expression. (Q) Rate of proliferation assessed by the quantitation of BrdU incorporated into the nuclei of cells in S-phase. Bar and line graphs show the means ± SD. Boxplots show the first and third quartiles and median values. Points are shown as empty and mean points as filled circles. The distribution of data points is shown by Beeswarm in Violin plots. Statistical significance was assessed using Student’s t test for two-group comparisons. p -values are presented as follows: ns (not significant), p ≤ 5 × 10 −1 , ∗p ≤ 5 × 10 −2 , ∗∗p ≤ 5 × 10 −3 , ∗∗∗p ≤ 5 × 10 −4 .

Article Snippet: Mouse monoclonal anti-BrdU antibody , Santa Cruz Biotechnology , RRID: AB_626766.

Techniques: Positive Control, Incubation, Gene Expression, Activity Assay, Expressing, Negative Control, Staining, Quantitation Assay

Journal: iScience

Article Title: AKG-TET axis is central to senescence plasticity

doi: 10.1016/j.isci.2025.114298

Figure Lengend Snippet: AKG-TET dependent resilience to damage and protection against damage-induced senescence Proliferating aHDFs (0.3 × 10 6 /mL) and PBMCs (70 years; PBMC 70Yr, 1 × 10 6 /mL) were seeded in culture plates and pre-treated in triplicate without (untreated: UT) or with H 2 O 2 (100 μM) for 24 h. After 24 h, cells were washed and treated without or with CLV (20 μM), or CRISPR TET1 ( TET1 CR ;1 μg/mL). Cells were incubated with 30 μM BrdU for 18 h prior to removal of both the cells and culture media following 7 days of treatment. (A) Expression levels of TETs in PBMCs. (B) AKG bioavailability in PBMCs. (C) Expression levels of energy/stress and nutritional sensors in PBMCs. (D) Heatmap of senescence marker gene expression in PBMCs. (E) Level of extracellular lactic acid (LA) and SAβ-Gal activity in PBMCs. (F) Quantification of BrdU and ROS (qROS) in PBMCs. Bar and line graphs show the means ± SD. Statistical significance was assessed using Student’s t test for two-group comparisons. p -values are presented as follows: ns (not significant), p ≤ 5 × 10 −1 , ∗p ≤ 5 × 10 −2 , ∗∗p ≤ 5 × 10 −3 , ∗∗∗p ≤ 5 × 10 −4 . Points are shown as empty and mean points as filled circles.

Article Snippet: Mouse monoclonal anti-BrdU antibody , Santa Cruz Biotechnology , RRID: AB_626766.

Techniques: CRISPR, Incubation, Expressing, Marker, Gene Expression, Activity Assay

Journal: iScience

Article Title: AKG-TET axis is central to senescence plasticity

doi: 10.1016/j.isci.2025.114298

Figure Lengend Snippet: AKG-TET deficient senescence state is reversible Young replicatively proliferating aHDFs (week 3, 0.3 × 10 6 /mL)) were seeded in culture plates and pre-treated in triplicates without (UT) and with C35 (5 μM), RLS (20 μM), or TET1 siRNA ( TET1 i ; 300 nM). Aliquot of cells were incubated with 30 μM BrdU for 18 h prior to removal of both the cells and culture media following 7 days of treatment. The remaining cells were re-seeded in equal numbers and cultured without treatment for an additional 7 days (withdrawal). Cultures were incubated with 30 μM BrdU for 18 h prior to removal of both the cells and culture media. (A) Quantification of TET activity, and 5 mC and 5fc levels. (B) Expression level of energy/stress and nutritional sensor genes. (C) Expression level of NFKB1 , RELA , IKBA , COL1A1, and ELN . (D) γH2AX immunolocalized (cyan) in nuclei. Nuclei stained for DAPI (deep blue) are marked by double hashed lines. (E) Extracellular level of lactic acid (LA), SAβ-Gal activity, LDH toxicity, and UPS. (F) Intracellular level of ROS and 8OHdG. (G) Heatmap of senescence markers and RRM2 gene expression. (H) Rate of proliferation assessed by BrdU incorporation into the nuclei of cells in S-phase. Bar and line graphs show the means ± SD. Boxplots show the first and third quartiles and median values. All points are shown as empty, and mean points as filled circles. The distribution of all data points is shown by Beeswarm in Violin plots. Statistical significance was assessed using Student’s t test for two-group comparisons. p -values are presented as follows: ns (not significant), p ≤ 5 × 10 −1 , ∗p ≤ 5 × 10 −2 , ∗∗p ≤ 5 × 10 −3 , ∗∗∗p ≤ 5 × 10 −4 .

Article Snippet: Mouse monoclonal anti-BrdU antibody , Santa Cruz Biotechnology , RRID: AB_626766.

Techniques: Incubation, Cell Culture, Activity Assay, Expressing, Staining, Gene Expression, BrdU Incorporation Assay

Journal: iScience

Article Title: AKG-TET axis is central to senescence plasticity

doi: 10.1016/j.isci.2025.114298

Figure Lengend Snippet: Activation of the AKG-TET axis reverses replicative and age induced senescence Replicatively induced senescence. Replicatively senescent aHDFs (0.3 × 10 6 cells/mL) were seeded in triplicate in each plate and were treated without (UT) and with RLS (20 μM), CLV (20 μM), or CRISPR TET1 plasmids (TET1 CR , 1 μg/mL). Cells were incubated with 30 μM BrdU for 18 h prior to removal of both the cells and culture media following 7 days of treatment. (A) Expression level of TET s. (B) AKG bioavailability and TET activity (TET act ). (C) Expression level of energy/stress and nutritional sensor gene expression. (D) Intracellular level of ROS. (E) Heatmap of senescence marker and RRM2 gene expression. (F) Level of lactic acid (LA) in culture media. (G) Cellular SAβ-Gal activity. (H) Quantitation of nuclear BrdU. (I) Total cell numbers. Age induced senescence. PBMCs (PBMC 70Yr ) were seeded (1 × 10 6 cells/mL) in triplicate in each well of a 24-well plate and were treated without (UT) and with RLS (20 μM), CLV (20 μM), or CRISPR TET1 plasmids ( TET1 CR : 1 μg/mL). Cells and culture media were removed on day 7 of treatment for analysis. (J) Quantitation of bioavailable AKG and TET activity in cells treated with RLS versus CLV. (K) qPCR quantitation of the expression level of TET s. (L) qPCR quantitation of the expression level of energy/stress and nutritional sensor gene expression. (M) Quantitation of BrdU incorporated into nuclei of cells in S-phase, lactic (LA) acid in culture media, cellular SAβ-Gal activity, and ROS. (N) Heatmap of senescence markers and RRM2 in PBMCs. Bar and line graphs show the means ± SD. Boxplots show the first and third quartiles and median values. All points are shown as empty, and mean points as filled circles. The distribution of all data points is shown by Beeswarm in Violin plots. Statistical significance was assessed using Student’s t test for two-group comparisons. p -values are presented as follows: ns (not significant), p ≤ 5 × 10 −1 , ∗p ≤ 5 × 10 −2 , ∗∗p ≤ 5 × 10 −3 , ∗∗∗p ≤ 5 × 10 −4 , ∗∗∗∗p ≤ 5 × 10 −5 .

Article Snippet: Mouse monoclonal anti-BrdU antibody , Santa Cruz Biotechnology , RRID: AB_626766.

Techniques: Activation Assay, CRISPR, Incubation, Expressing, Activity Assay, Gene Expression, Marker, Quantitation Assay