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rigfbp2 (R&D Systems)

Name: rigfbp2
Brand: R&D Systems
Rating: 93 (40 reviews)

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R&D Systems rigfbp2
Rigfbp2, supplied by R&D Systems, used in various techniques. Bioz Stars score: 93/100, based on 40 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/result/rigfbp2/product/R&D Systems
Average 93 stars, based on 40 article reviews

rigfbp2 - by Bioz Stars, 2026-03

93/100 stars

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Effect of IGFBP2 on PD‐like phenotypes induced by 6‐OHDA in rats. (A) Schematic representation showing the experiment process of this study. (B, C) RT‐qPCR and western blotting analysis revealed that IGFBP2 expression was downregulated in the substantia nigra pars compacta (SNpc) of 6‐OHDA‐induced PD rats. (D) Behavioral tests showing the effect of IGFBP2 on 6‐OHDA‐induced behavioral impairment (Rotation, F (2, 15) = 745.7; Latency time, F (2, 15) = 59.48; T ‐turn time, F (2, 15) = 33.01; T ‐total time, F (2, 15) = 95.94). (E) Representative images showed IHC staining of TH in the SNpc of 6‐OHDA‐lesioned rats, followed by quantification of the number of TH‐positive cells ( F (2, 15) = 188.2). (F) Western blotting analysis depicting α‐synuclein expression in the SNpc tissues ( F (2, 15) = 102.3). Data were expressed as mean ± SD. Group sizes were: N = 6 animals per group. *** p < 0.001, # p < 0.05, ## p < 0.01, ### p < 0.001. * = control versus 6‐OHDA, # = 6‐OHDA versus rIGFBP2 + 6‐OHDA.

Journal: CNS Neuroscience & Therapeutics

Article Title: Insulin‐Like Growth Factor Binding Protein 2 Drives Neurodegeneration in Parkinson's Disease: Insights From In Vivo and In Vitro Studies

doi: 10.1111/cns.70076

Figure Lengend Snippet: Effect of IGFBP2 on PD‐like phenotypes induced by 6‐OHDA in rats. (A) Schematic representation showing the experiment process of this study. (B, C) RT‐qPCR and western blotting analysis revealed that IGFBP2 expression was downregulated in the substantia nigra pars compacta (SNpc) of 6‐OHDA‐induced PD rats. (D) Behavioral tests showing the effect of IGFBP2 on 6‐OHDA‐induced behavioral impairment (Rotation, F (2, 15) = 745.7; Latency time, F (2, 15) = 59.48; T ‐turn time, F (2, 15) = 33.01; T ‐total time, F (2, 15) = 95.94). (E) Representative images showed IHC staining of TH in the SNpc of 6‐OHDA‐lesioned rats, followed by quantification of the number of TH‐positive cells ( F (2, 15) = 188.2). (F) Western blotting analysis depicting α‐synuclein expression in the SNpc tissues ( F (2, 15) = 102.3). Data were expressed as mean ± SD. Group sizes were: N = 6 animals per group. *** p < 0.001, # p < 0.05, ## p < 0.01, ### p < 0.001. * = control versus 6‐OHDA, # = 6‐OHDA versus rIGFBP2 + 6‐OHDA.

Article Snippet: Recombinant IGFBP2 protein (rIGFBP2) was purchased from Cloud‐Clone Corp (Wuhan, China).

Techniques: Quantitative RT-PCR, Western Blot, Expressing, Immunohistochemistry, Control

Differential expression of mRNAs in PD rats. (A) The rats were injected with 6‐OHDA to induce the PD animal model. Apomorphine‐induced rotational behavior was tested at 2 and 3 weeks after modeling. (B) IHC staining of TH in OHDA‐lesioned rats (3 weeks). Bar = 100 µm. (C) Bidimensional principal component analysis (PCA) showing distinct clustering of gene profiles in 6‐OHDA‐induced PD rats and control rats. (D, E) Volcano plot and heatmap showing differential expression of mRNAs (|log 2 fold change (FC)| > 1 and p < 0.05). (F) Venn graph depicting the common genes of downregulated differentially expressed genes (DEGs, log 2 FC < −1.5 and p < 0.001) and parkinson‐related genes from the GeneCards database. (G) The FPKM value of IGFBP2 was shown. Group sizes were: N = 3 animals per group. ** p < 0.01, *** p < 0.001. * = control vs. 6‐OHDA.

Journal: CNS Neuroscience & Therapeutics

Article Title: Insulin‐Like Growth Factor Binding Protein 2 Drives Neurodegeneration in Parkinson's Disease: Insights From In Vivo and In Vitro Studies

doi: 10.1111/cns.70076

Figure Lengend Snippet: Differential expression of mRNAs in PD rats. (A) The rats were injected with 6‐OHDA to induce the PD animal model. Apomorphine‐induced rotational behavior was tested at 2 and 3 weeks after modeling. (B) IHC staining of TH in OHDA‐lesioned rats (3 weeks). Bar = 100 µm. (C) Bidimensional principal component analysis (PCA) showing distinct clustering of gene profiles in 6‐OHDA‐induced PD rats and control rats. (D, E) Volcano plot and heatmap showing differential expression of mRNAs (|log 2 fold change (FC)| > 1 and p < 0.05). (F) Venn graph depicting the common genes of downregulated differentially expressed genes (DEGs, log 2 FC < −1.5 and p < 0.001) and parkinson‐related genes from the GeneCards database. (G) The FPKM value of IGFBP2 was shown. Group sizes were: N = 3 animals per group. ** p < 0.01, *** p < 0.001. * = control vs. 6‐OHDA.

Article Snippet: Recombinant IGFBP2 protein (rIGFBP2) was purchased from Cloud‐Clone Corp (Wuhan, China).

Techniques: Expressing, Injection, Animal Model, Immunohistochemistry, Control

Effect of IGFBP2 on 6‐OHDA‐induced oxidative stress and mitochondrial impairment in rats. (A) ROS production, MDA content, and SOD and GSH‐Px activities in the SNpc were tested using corresponding commercial assay kits (ROS, F (2, 15) = 37; MDA, F (2, 15) = 42.56; SOD, F (2, 15) = 25.42; GSH‐Px, F (2, 15) = 45.15). (B) JC‐1 staining indicating the changes in mitochondrial membrane potential (Ψm; Q2‐2, F (2, 15) = 175.4; Q2‐4, F (2, 15) = 175.5). (C) ATP level was assessed by ATP detection kit ( F (2, 15) = 26.63). (D) Western blotting analysis revealing cytochrome c expression in cytoplasm and mitochondria in the SNpc of rats (cytochrome c in cytoplasm, F (2, 15) = 38.49; cytochrome c in mitochondria, F (2, 15) = 193.7). (E) Representative images of TUNEL‐positive staining in the SNpc tissues. Data were expressed as mean ± SD. Group sizes were: N = 6 animals per group. * p < 0.05, ** p < 0.01, *** p < 0.001, # p < 0.05, ## p < 0.01, ### p < 0.001. * = control versus 6‐OHDA, # = 6‐OHDA versus rIGFBP2 + 6‐OHDA.

Journal: CNS Neuroscience & Therapeutics

Article Title: Insulin‐Like Growth Factor Binding Protein 2 Drives Neurodegeneration in Parkinson's Disease: Insights From In Vivo and In Vitro Studies

doi: 10.1111/cns.70076

Figure Lengend Snippet: Effect of IGFBP2 on 6‐OHDA‐induced oxidative stress and mitochondrial impairment in rats. (A) ROS production, MDA content, and SOD and GSH‐Px activities in the SNpc were tested using corresponding commercial assay kits (ROS, F (2, 15) = 37; MDA, F (2, 15) = 42.56; SOD, F (2, 15) = 25.42; GSH‐Px, F (2, 15) = 45.15). (B) JC‐1 staining indicating the changes in mitochondrial membrane potential (Ψm; Q2‐2, F (2, 15) = 175.4; Q2‐4, F (2, 15) = 175.5). (C) ATP level was assessed by ATP detection kit ( F (2, 15) = 26.63). (D) Western blotting analysis revealing cytochrome c expression in cytoplasm and mitochondria in the SNpc of rats (cytochrome c in cytoplasm, F (2, 15) = 38.49; cytochrome c in mitochondria, F (2, 15) = 193.7). (E) Representative images of TUNEL‐positive staining in the SNpc tissues. Data were expressed as mean ± SD. Group sizes were: N = 6 animals per group. * p < 0.05, ** p < 0.01, *** p < 0.001, # p < 0.05, ## p < 0.01, ### p < 0.001. * = control versus 6‐OHDA, # = 6‐OHDA versus rIGFBP2 + 6‐OHDA.

Article Snippet: Recombinant IGFBP2 protein (rIGFBP2) was purchased from Cloud‐Clone Corp (Wuhan, China).

Techniques: Staining, Membrane, Western Blot, Expressing, TUNEL Assay, Control

Effect of IGFBP2 on IGF‐1R/AKT signaling pathway. (A, B) Relative expression levels of IGF‐1R, p‐IGF‐1R, AKT, and p‐AKT in the SNpc were measured by western blotting (p‐IGF‐1R, F (2, 15) = 345.4; IGF‐1R, F (2, 15) = 229.7; p‐IGF‐1R/IGF‐1R, F (2, 15) = 92.01; p‐AKT, F (2, 15) = 811.5; AKT, F (2, 15) = 0.2335; p‐AKT/AKT, F (2, 15) = 851.2). Data were expressed as mean ± SD. Group sizes were: N = 6 animals per group. *** p < 0.001, ### p < 0.001. * = control versus 6‐OHDA, # = 6‐OHDA versus rIGFBP2 + 6‐OHDA.

Journal: CNS Neuroscience & Therapeutics

Article Title: Insulin‐Like Growth Factor Binding Protein 2 Drives Neurodegeneration in Parkinson's Disease: Insights From In Vivo and In Vitro Studies

doi: 10.1111/cns.70076

Figure Lengend Snippet: Effect of IGFBP2 on IGF‐1R/AKT signaling pathway. (A, B) Relative expression levels of IGF‐1R, p‐IGF‐1R, AKT, and p‐AKT in the SNpc were measured by western blotting (p‐IGF‐1R, F (2, 15) = 345.4; IGF‐1R, F (2, 15) = 229.7; p‐IGF‐1R/IGF‐1R, F (2, 15) = 92.01; p‐AKT, F (2, 15) = 811.5; AKT, F (2, 15) = 0.2335; p‐AKT/AKT, F (2, 15) = 851.2). Data were expressed as mean ± SD. Group sizes were: N = 6 animals per group. *** p < 0.001, ### p < 0.001. * = control versus 6‐OHDA, # = 6‐OHDA versus rIGFBP2 + 6‐OHDA.

Article Snippet: Recombinant IGFBP2 protein (rIGFBP2) was purchased from Cloud‐Clone Corp (Wuhan, China).

Techniques: Expressing, Western Blot, Control

Effect of IGFBP2 on apoptosis induced by 6‐OHDA in differentiated PC12 cells. The differentiated PC12 cells were co‐treated with rIGFBP2 and rIGF‐1 for 24 h, and then subjected to 6‐OHDA for 24 h. (A) CCK‐8 assay was performed to determine cell viability ( F (4, 10) = 45.19). (B) LDH content was evaluated using a LDH detection kit ( F (4, 10) = 45.50). (C) Apoptosis induced by 6‐OHDA was determined with Hoechst 33258 staining ( F (4, 10) = 160.7). (D) Bax, Bcl‐2, cleaved caspase‐9, and cleaved caspase‐3 expression were determined by western blotting in PC12 cells (Bax, F (4, 10) = 82.57; Bcl‐2, F (4, 10) = 136.6; cleaved caspase‐9, F (4, 10) = 53.36; cleaved caspase‐3, F (4, 10) = 65.57). Data were expressed as mean ± SD. Group sizes were: N = 3 wells per group. * p < 0.05, *** p < 0.001, ^ p < 0.05, ^^ p < 0.01, ^^^ p < 0.001, # p < 0.05, ## p < 0.01, ### p < 0.001, + p < 0.05, +++ p < 0.001. * = control versus 6‐OHDA, ^ = 6‐OHDA versus rIGFBP2 + 6‐OHDA, # = 6‐OHDA versus rIGF‐1 + 6‐OHDA, + = rIGFBP2 + 6‐OHDA versus rIGF‐1 + rIGFBP2 + 6‐OHDA.

Journal: CNS Neuroscience & Therapeutics

Article Title: Insulin‐Like Growth Factor Binding Protein 2 Drives Neurodegeneration in Parkinson's Disease: Insights From In Vivo and In Vitro Studies

doi: 10.1111/cns.70076

Figure Lengend Snippet: Effect of IGFBP2 on apoptosis induced by 6‐OHDA in differentiated PC12 cells. The differentiated PC12 cells were co‐treated with rIGFBP2 and rIGF‐1 for 24 h, and then subjected to 6‐OHDA for 24 h. (A) CCK‐8 assay was performed to determine cell viability ( F (4, 10) = 45.19). (B) LDH content was evaluated using a LDH detection kit ( F (4, 10) = 45.50). (C) Apoptosis induced by 6‐OHDA was determined with Hoechst 33258 staining ( F (4, 10) = 160.7). (D) Bax, Bcl‐2, cleaved caspase‐9, and cleaved caspase‐3 expression were determined by western blotting in PC12 cells (Bax, F (4, 10) = 82.57; Bcl‐2, F (4, 10) = 136.6; cleaved caspase‐9, F (4, 10) = 53.36; cleaved caspase‐3, F (4, 10) = 65.57). Data were expressed as mean ± SD. Group sizes were: N = 3 wells per group. * p < 0.05, *** p < 0.001, ^ p < 0.05, ^^ p < 0.01, ^^^ p < 0.001, # p < 0.05, ## p < 0.01, ### p < 0.001, + p < 0.05, +++ p < 0.001. * = control versus 6‐OHDA, ^ = 6‐OHDA versus rIGFBP2 + 6‐OHDA, # = 6‐OHDA versus rIGF‐1 + 6‐OHDA, + = rIGFBP2 + 6‐OHDA versus rIGF‐1 + rIGFBP2 + 6‐OHDA.

Article Snippet: Recombinant IGFBP2 protein (rIGFBP2) was purchased from Cloud‐Clone Corp (Wuhan, China).

Techniques: CCK-8 Assay, Staining, Expressing, Western Blot, Control

Effect of IGFBP2 on oxidative stress and mitochondrial function in 6‐OHDA‐lesioned PC12 cells. (A) ROS and MDA levels, SOD and GSH‐Px activities were determined by the commercial assay kits (ROS, F (4, 10) = 37.55; MDA, F (4, 10) = 41.91; SOD, F (4, 10) = 55.79; GSH‐Px, F (4, 10) = 75.03). (B) Changes in Ψm were evaluated by JC‐1 staining. (C) Relative expression of Cytochrome c in cytoplasm and mitochondria was detected by western blotting analysis (cytochrome c in cytoplasm, F (4, 10) = 47.39; cytochrome c in mitochondria, F (4, 10) = 62). Data were expressed as mean ± SD. Group sizes were: N = 3 wells per group. *** p < 0.001, ^ p < 0.05, ^^ p < 0.01, ^^^ p < 0.001, ## p < 0.01, ### p < 0.001, ++ p < 0.01, +++ p < 0.001. * = control versus 6‐OHDA, ^ = 6‐OHDA versus rIGFBP2 + 6‐OHDA, # = 6‐OHDA versus rIGF‐1 + 6‐OHDA, + = rIGFBP2 + 6‐OHDA versus rIGF‐1 + rIGFBP2 + 6‐OHDA.

Journal: CNS Neuroscience & Therapeutics

Article Title: Insulin‐Like Growth Factor Binding Protein 2 Drives Neurodegeneration in Parkinson's Disease: Insights From In Vivo and In Vitro Studies

doi: 10.1111/cns.70076

Figure Lengend Snippet: Effect of IGFBP2 on oxidative stress and mitochondrial function in 6‐OHDA‐lesioned PC12 cells. (A) ROS and MDA levels, SOD and GSH‐Px activities were determined by the commercial assay kits (ROS, F (4, 10) = 37.55; MDA, F (4, 10) = 41.91; SOD, F (4, 10) = 55.79; GSH‐Px, F (4, 10) = 75.03). (B) Changes in Ψm were evaluated by JC‐1 staining. (C) Relative expression of Cytochrome c in cytoplasm and mitochondria was detected by western blotting analysis (cytochrome c in cytoplasm, F (4, 10) = 47.39; cytochrome c in mitochondria, F (4, 10) = 62). Data were expressed as mean ± SD. Group sizes were: N = 3 wells per group. *** p < 0.001, ^ p < 0.05, ^^ p < 0.01, ^^^ p < 0.001, ## p < 0.01, ### p < 0.001, ++ p < 0.01, +++ p < 0.001. * = control versus 6‐OHDA, ^ = 6‐OHDA versus rIGFBP2 + 6‐OHDA, # = 6‐OHDA versus rIGF‐1 + 6‐OHDA, + = rIGFBP2 + 6‐OHDA versus rIGF‐1 + rIGFBP2 + 6‐OHDA.

Article Snippet: Recombinant IGFBP2 protein (rIGFBP2) was purchased from Cloud‐Clone Corp (Wuhan, China).

Techniques: Staining, Expressing, Western Blot, Control

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