Journal: Poultry Science

Article Title: PKA and PKC signaling pathways mediate vitamin D₃-regulated intestinal phosphorus absorption in broiler chickens

doi: 10.1016/j.psj.2026.106762

Figure Lengend Snippet: Effects of dietary vitamin D 3 supplementation on jejunal phosphorylation levels of PKA, PKC, PI3K, p38MAPK, and ERK in broiler chickens (19 d) (Experiment 1). The control and vitamin D 3 diets contained 0 and 1000 IU/kg vitamin D 3 , respectively. (a) p-PKA/t-PKA; (b) p-PKC/t-PKC; (c) p-PI3K/t-PI3K; (d) p-p38MAPK/t-p38MAPK; (e) p-ERK/t-ERK. Protein abundance values are means ± SD of four replicates per treatment (1 broiler per replicate) (n = 4). Values with different letters differ between treatments ( P < 0.05).

Article Snippet: PVDF membranes were incubated with primary antibodies against NaPi-IIb (1:1000, A9460; ABclonal, Wuhan, China), phosphorylated PKA (p-PKA; 1:1000, 5661S), phosphorylated PI3K (p-PI3K; 1:1000, 4228), phosphorylated ERK (p-ERK; 1:1000, 9101S), phosphorylated p38MAPK (p-p38MAPK; 1:1000, 9216S), total PKA (t-PKA; 1:1000, 5842S) (Cell Signaling Technology, Boston, USA), total PI3K (t-PI3K; 1:10000, 60225-1-Ig), total ERK (t-ERK; 1:8000, 11257-1-AP-50), total p38MAPK(t-p38MAPK; 1:1000, 14064-1-AP), total PKC (t-PKC; 1:1000, 21991-1-AP), phosphorylated PKC (p-PKC; 1:5000, 29123-1-AP), and GAPDH (1:10000, 60004-1-Ig) (Proteintech, Wuhan, China).

Techniques: Phospho-proteomics, Control, Quantitative Proteomics

Journal: Poultry Science

Article Title: PKA and PKC signaling pathways mediate vitamin D₃-regulated intestinal phosphorus absorption in broiler chickens

doi: 10.1016/j.psj.2026.106762

Figure Lengend Snippet: Effects of the PKA inhibitor H-89 on jejunal phosphorylation levels of PKC, PI3K, p38MAPK, and ERK in broiler chickens (10–15 d) (Experiment 2). (a) p-PKC/t-PKC; (b) p-PI3K/t-PI3K; (c) p-p38MAPK/t-p38MAPK; (d) p-ERK/t-ERK. Protein abundance values are means ± SD of four replicates per treatment (1 broiler per replicate) (n = 4). Values with different letters differ between treatments ( P < 0.05).

Article Snippet: PVDF membranes were incubated with primary antibodies against NaPi-IIb (1:1000, A9460; ABclonal, Wuhan, China), phosphorylated PKA (p-PKA; 1:1000, 5661S), phosphorylated PI3K (p-PI3K; 1:1000, 4228), phosphorylated ERK (p-ERK; 1:1000, 9101S), phosphorylated p38MAPK (p-p38MAPK; 1:1000, 9216S), total PKA (t-PKA; 1:1000, 5842S) (Cell Signaling Technology, Boston, USA), total PI3K (t-PI3K; 1:10000, 60225-1-Ig), total ERK (t-ERK; 1:8000, 11257-1-AP-50), total p38MAPK(t-p38MAPK; 1:1000, 14064-1-AP), total PKC (t-PKC; 1:1000, 21991-1-AP), phosphorylated PKC (p-PKC; 1:5000, 29123-1-AP), and GAPDH (1:10000, 60004-1-Ig) (Proteintech, Wuhan, China).

Techniques: Phospho-proteomics, Quantitative Proteomics

Journal: Poultry Science

Article Title: PKA and PKC signaling pathways mediate vitamin D₃-regulated intestinal phosphorus absorption in broiler chickens

doi: 10.1016/j.psj.2026.106762

Figure Lengend Snippet: Effects of the PKC inhibitor staurosporine on duodenal phosphorylation levels of PKA, PI3K, p38MAPK, and ERK in broiler chickens (13 d) (Experiment 3). (a) p-PKA/t-PKA; (b) p-PI3K/t-PI3K; (c) p-p38MAPK/t-p38MAPK; (d) p-ERK/t-ERK. Protein abundance values are means ± SD of four replicates per treatment (1 broiler per replicate) (n = 4). Values with different letters differ between treatments ( P < 0.05).

Article Snippet: PVDF membranes were incubated with primary antibodies against NaPi-IIb (1:1000, A9460; ABclonal, Wuhan, China), phosphorylated PKA (p-PKA; 1:1000, 5661S), phosphorylated PI3K (p-PI3K; 1:1000, 4228), phosphorylated ERK (p-ERK; 1:1000, 9101S), phosphorylated p38MAPK (p-p38MAPK; 1:1000, 9216S), total PKA (t-PKA; 1:1000, 5842S) (Cell Signaling Technology, Boston, USA), total PI3K (t-PI3K; 1:10000, 60225-1-Ig), total ERK (t-ERK; 1:8000, 11257-1-AP-50), total p38MAPK(t-p38MAPK; 1:1000, 14064-1-AP), total PKC (t-PKC; 1:1000, 21991-1-AP), phosphorylated PKC (p-PKC; 1:5000, 29123-1-AP), and GAPDH (1:10000, 60004-1-Ig) (Proteintech, Wuhan, China).

Techniques: Phospho-proteomics, Quantitative Proteomics

Journal: Anti-Cancer Drugs

Article Title: Hematopoietic progenitor kinase 1 inhibitor BGB-15025 induces apoptosis in acute myeloid leukemia cells through the cell cycle pathway and mitogen-activated protein kinase/extracellular signal-regulated kinase pathway signaling axis

doi: 10.1097/CAD.0000000000001794

Figure Lengend Snippet: BGB-15025 inhibits the cell cycle and the MAPK/ERK signaling pathway in AML cells. (a) KEGG analysis revealed that differentially expressed genes were significantly enriched in relevant signaling pathways. (b) GSEA of differentially expressed genes in the treated group, compared with the control group, indicated a predominant enrichment in cell cycle-related pathways. (c) Two AML cell lines (KG1A and THP-1) were exposed to different concentrations of BGB-15025, and the expression levels of CCND1 , CDK4 , and P21 genes were quantified using qRT-PCR. (d) Various concentrations of BGB-15025 were administered to two AML cell lines (KG1A and THP-1), followed by the detection of cyclin D1, CDK4, and P21 protein expressions via Western blot analysis. (f) Different concentrations of BGB-15025 were administered to two AML cell lines, KG1A and THP-1. The expression levels of ERK, p-ERK, P38, and p-P38 proteins were assessed using Western blot analysis. Data presented are derived from at least three independent experiments. Statistical significance was determined as follows: * P < 0.05, ** P < 0.01, *** P < 0.001, **** P < 0.0001 when compared with the control group. (e and g) The effect of HPK1 knockdown on the expression of the above-mentioned proteins was assessed in AML (THP-1) cells. AML, acute myeloid leukemia; GSEA, Gene Set Enrichment Analysis; HPK1, hematopoietic progenitor kinase 1; KEGG, Kyoto Encyclopedia of Genes and Genomes; MAPK/ERK, mitogen-activated protein kinase/extracellular signal-regulated kinase; qRT-PCR, quantitative real-time PCR.

Article Snippet: Membranes were subsequently incubated overnight at 4 °C with specific primary antibodies: β-actin (#4970; 1 : 1000), HPK1 (#46510; 1 : 1000), cyclin D1 (#55506; 1 : 1000), P21 (#2947; 1 : 1000), ERK (#4696; 1 : 1000), phosphorylated ERK (p-ERK, #4370; 1 : 1000), P38 MAPK (#8690; 1 : 1000), and phosphorylated P38 MAPK (p-P38, #9211; 1 : 1000) (all from Cell Signaling Technology, Danvers, Massachusetts, USA).

Techniques: Protein-Protein interactions, Control, Expressing, Quantitative RT-PCR, Western Blot, Derivative Assay, Knockdown, Real-time Polymerase Chain Reaction

Journal: Oncology Letters

Article Title: Methylglyoxal-derived glycated albumin enhances the stemness potential of invasive ductal carcinoma-derived breast cancer stem-like cell line KAIMRC1

doi: 10.3892/ol.2026.15541

Figure Lengend Snippet: GA effects on ERK1/2 phosphorylation in invasive ductal carcinoma-derived KAIMRC1 stem-like cells. Representative western blot analyses showed p-ERK1/2 in KAIMRC1 stem-like cells treated with 100 µg/ml GA for (A) 30 to 120 min and with (B) 50–100 µg/ml GA or unglycated BSA for 90 min of incubation. Bar graphs show the relative expression level of p-ERK1/2 normalized to total ERK1/2. GAPDH served as the loading control. Data are presented as the mean ± SD from three independent experiments. Statistical significance relative to the untreated control is indicated as *P < 0.05 and **P < 0.01. C, control; GA, glycated albumin; p-ERK1/2, phosphorylated-ERK1/2; GAPDH, glyceraldehyde 3-phosphate dehydrogenase.

Article Snippet: Mouse primary monoclonal antibodies directed against extracellular signal-regulated kinase (ERK)1 (clone G-8; cat. no. sc-271269), phosphorylated-ERK1/2 (p-ERK1/2; clone E-4; Tyr204 of ERK1; cat. no. sc-7383), OCT3/4 (clone A-9; cat. no. sc-365509) and RAGE (clone E-1; cat. no. sc-74473) were obtained from Santa Cruz Biotechnology, Inc.

Techniques: Phospho-proteomics, Derivative Assay, Western Blot, Incubation, Expressing, Control

Journal: Oncology Reports

Article Title: Knockdown of CCT2 inhibits the malignant progression of hepatocellular carcinoma cells by impairing STAT3 activation

doi: 10.3892/or.2026.9086

Figure Lengend Snippet: Knockdown of CCT2 inhibits STAT3 signaling activation in hepatocellular carcinoma cells. The protein levels of STAT3, p-STAT3, MCL1, MMP2 and SOX2 in (A) Huh-7 and (B) HCCLM3 cells were measured by western blotting. The protein levels of (C) p-STAT3, (D) MCL1, (E) MMP2 and (F) SOX2 in subcutaneous tumor tissue were detected by immunohistochemical staining. *P<0.05, **P<0.01 vs. sh-NC. CCT2, chaperonin containing TCP1 subunit 2; sh, short hairpin; NC, negative control; p, phosphorylated; MCL1, myeloid cell leukemia sequence 1; SOX2, SRY-box transcription factor 2.

Article Snippet: The primary antibodies were as follows: CCT2 (cat. no. 24896-1-AP), β-actin (cat. no. 66009-1-Ig), MMP2 (cat. no. 10373-2-AP), myeloid cell leukemia sequence 1 (MCL1; cat. no. 16225-1-AP) and SRY-box transcription factor 2 (SOX2; cat. no. 11064-1-AP; all Proteintech Group, Inc.) and STAT3 (cat. no. 4904) and phosphorylated (p-)STAT3 (Tyr705; cat. no. 4113; both Cell Signaling Technology, Inc.) The membranes were washed three times in TBST (0.1% Tween-20) for 5 min each at room temperature.

Techniques: Knockdown, Activation Assay, Western Blot, Immunohistochemical staining, Staining, Negative Control, Sequencing

Journal: Oncology Reports

Article Title: Knockdown of CCT2 inhibits the malignant progression of hepatocellular carcinoma cells by impairing STAT3 activation

doi: 10.3892/or.2026.9086

Figure Lengend Snippet: IL-6 abolishes the effects of CCT2 knockdown on the proliferation and invasion of hepatocellular carcinoma cells. The protein levels of STAT3 and p-STAT3 in (A) Huh-7 and (B) HCCLM3 cells were measured by western blotting. The proliferation of (C) Huh-7 and (D) HCCLM3 cells following CCT2 knockdown and IL-6 treatment was detected using EdU incorporation assay. The invasion of (E) Huh-7 and (F) HCCLM3 cells was assessed using Transwell assay. *P<0.05, **P<0.01 vs. PBS. CCT2, chaperonin containing TCP1 subunit 2; sh, short hairpin; p-, phosphorylated.

Article Snippet: The primary antibodies were as follows: CCT2 (cat. no. 24896-1-AP), β-actin (cat. no. 66009-1-Ig), MMP2 (cat. no. 10373-2-AP), myeloid cell leukemia sequence 1 (MCL1; cat. no. 16225-1-AP) and SRY-box transcription factor 2 (SOX2; cat. no. 11064-1-AP; all Proteintech Group, Inc.) and STAT3 (cat. no. 4904) and phosphorylated (p-)STAT3 (Tyr705; cat. no. 4113; both Cell Signaling Technology, Inc.) The membranes were washed three times in TBST (0.1% Tween-20) for 5 min each at room temperature.

Techniques: Knockdown, Western Blot, Transwell Assay

Journal: JID Innovations

Article Title: The 4E-BP1 deletion modestly mitigates mTORC1-deficient epidermal barrier defects

doi: 10.1016/j.xjidi.2026.100453

Figure Lengend Snippet: The 4E-BP1 depletion slightly rescues the skin barrier function in Rap EKO mice. ( a ) Schematic representation of the floxed Rptor locus and complete Eif4ebp1 knockout, showing PCR fragment lengths before and after recombination. Genomic DNA PCR analysis from mouse tails confirms successful recombination of the floxed Rptor region in the presence of K14-driven Cre and complete Eif4ebp1 knockout. ( b ) Western blot analysis of 4E-BP1 protein expression in back skin from indicated genotypes. ( c ) Macroscopic appearance and body weight measurements of control, Rap EKO , and dKO newborn mice at P0. ( d ) Representative toluidine blue dye penetration assay with newborn mice and the quantification of the blue stained area (n = 5). ( e ) Representative H&E-stained sections of back skin and tongue from control, Rap EKO , and dKO newborns at P0. Dashed lines indicate the basement membrane. Bar = 100 μm. Right panels show quantification of epidermal thickness and HF density (n = 5). ( f ) Left: immunohistochemical staining for p-S6 and p-4E-BP1 in back skin sections at P0. Bar = 50 μm. Right: quantitative analysis of p-S6 and p-4E-BP1 immunoreactivity (n = 5). Dashed lines indicate the basement membrane. Data are presented as mean ± SEM; each dot represents an individual mouse. Statistical significance was determined by 2-way ANOVA with multiple comparisons. ∗ P < .05, ∗∗ P < .01, ∗∗∗ P < .001, and ∗∗∗∗ P < .001. dKO denotes Rap EKO / Eif4ebp1 −/− , e denotes epidermis, and d denotes dermis. dKO, double-knockout; HF, hair follicle; K14, keratin 14; ns, not significant; p-4E-BP1, phosphorylated 4E-BP1; P0, postnatal day 0; P2, P0, postnatal day 2; p-S6, phosphorylated S6; WT, wild-type.

Article Snippet: Primary antibodies and dilutions included Ki-67 (1:200, Abcam, ab15580), K14 (1:500, Abcam, ab181595), loricrin (1:200, Invitrogen, PA5-30583), keratin 10 (1:200, Santa Cruz, SC-23877), FLG (1:250, BioLegend, #905804), phosphorylated S6 (1:200, Cell Signaling Technology, #5364s), and phosphorylated 4EBP1 (1:200, Cell Signaling Technology, #2855).

Techniques: Knock-Out, Western Blot, Expressing, Control, Staining, Membrane, Immunohistochemical staining, Double Knockout

Journal: iScience

Article Title: Promotion of breast cancer by the DNPH1 enzyme

doi: 10.1016/j.isci.2026.115227

Figure Lengend Snippet: Alterations in mammary tumors upon Dnph1 knockout (A) Examples of CD31 staining in mammary tumors from a MMTV-Her2/Dnph1 +/+ and a MMTV-Her2/Dnph1 −/− mouse. Right panels show ImageJ-mediated image modulation to enhance vessel structures, allowing the computer-mediated quantification of blood vessel density. Scale bars, 0.4 mm. (B) Corresponding quantification of vessel density. Tumors were age- and weight-matched; two-tailed, unpaired t test. (C) Tumor vessel density plotted against the weight of the tumor. These tumors were not weight- or age-matched, yet include those shown in panel B. Shown are linear regressions; while the slopes were not significantly different, the Y-intercepts were significantly different ( p = 0.0007). (D) Relative levels of AMP, GMP, and UMP in mammary tumors from MMTV-Her2/Dnph1 +/+ and MMTV-Her2/Dnph1 −/− mice; two-tailed, unpaired t test. (E and F) Immunohistochemical staining for phospho-AMPKα or phospho-YAP1, respectively, on age- and weight-matched tumors as in panel B. Examples of immunohistochemical staining are shown at the bottom. Scale bars, 0.4 mm. Means with standard deviation are shown in panels B and D-F.

Article Snippet: YAP1 phosphorylated on serine 127 , Cell Signaling , Cat# 4911.

Techniques: Knock-Out, Staining, Two Tailed Test, Immunohistochemical staining, Standard Deviation

Journal: iScience

Article Title: Promotion of breast cancer by the DNPH1 enzyme

doi: 10.1016/j.isci.2026.115227

Figure Lengend Snippet: Model how DNPH1 promotes breast tumor development and progression This model is centered around a DNPH1-YAP1 axis, yet DNPH1 may utilize to-be-identified effectors other than YAP1 to stimulate, e.g., stem cells or angiogenesis.

Article Snippet: YAP1 phosphorylated on serine 127 , Cell Signaling , Cat# 4911.

Techniques: