Growth factorsPub Date : 2025-02-01Epub Date: 2025-03-12DOI: 10.1080/08977194.2025.2478393
Nataša Todorović-Raković, Jelena Milovanović, Marko Radulovic, John Greenman
{"title":"Serum HER2 as potential prognostic biomarker in primary breast cancer patients.","authors":"Nataša Todorović-Raković, Jelena Milovanović, Marko Radulovic, John Greenman","doi":"10.1080/08977194.2025.2478393","DOIUrl":"10.1080/08977194.2025.2478393","url":null,"abstract":"<p><p>Tissue expressed human epidermal growth factor receptor 2 (HER2) is an established parameter of breast cancer, and it is determined in routine clinical practice by histology. This study aims to assess the prognostic value of serum HER2 protein quantified using ELISA in 66 primary breast cancer patients. The median follow-up period was 94 months. Prognostic performance was assessed through receiver operating characteristic (ROC), Cox proportional hazards regression, and Kaplan-Meier analyses. There was a significant difference between serum HER2 levels of patients with and without recurrence. Prognostic associations were significant for age, grade, nodal status, follicle-stimulating hormone, oestradiol, and serum HER2. The cut-off point for serum HER2 levels was 6.0 ng/mL. Recurrence incidence was 29% in the serum HER2<b><sup>high</sup></b> subgroup, compared to only 10% in the serum HER2<b><sup>low</sup></b> subgroup. Serum HER2 testing by ELISA holds promise as an additional tool alongside routine tissue HER2 analysis for primary breast cancer patients.</p>","PeriodicalId":12782,"journal":{"name":"Growth factors","volume":" ","pages":"37-44"},"PeriodicalIF":1.8,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143604685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Growth factorsPub Date : 2025-02-01Epub Date: 2025-03-13DOI: 10.1080/08977194.2025.2470185
James Dimou, Giovanna D'Abaco, Lucy Paradiso, Nicole Kountouri, Wayne Ng, Stanley Stylli, Katharine Drummond, Antony Burgess, Andrew Kaye, Andrew Morokoff
{"title":"Akt inhibition is effective against PTEN-deleted, chemoirradiation-resistant glioblastoma stem cells.","authors":"James Dimou, Giovanna D'Abaco, Lucy Paradiso, Nicole Kountouri, Wayne Ng, Stanley Stylli, Katharine Drummond, Antony Burgess, Andrew Kaye, Andrew Morokoff","doi":"10.1080/08977194.2025.2470185","DOIUrl":"10.1080/08977194.2025.2470185","url":null,"abstract":"<p><p>Activated Akt and loss of phosphatase and tensin homolog (PTEN) tumour suppression aid chemo- and radio-resistance in glioblastoma stem cells (GSC), contributing to treatment failure in glioblastoma. In this study, sixteen GSC lines were generated from 66 individual glioma samples, in gliomasphere culture conditions. Thirteen of 16 GSC lines expressed hyperphosphorylated Akt (Ser473); Akt phosphorylation did not correlated with EGFR expression. An LDH colorimetric assay was used to measure the in vitro cytotoxicity of eight of these lines. Akt X (20 µM) proved more effective at inducing in vitro GSC cytotoxicity (range: 22-73%) over 48 hours than triciribine (20 µM) (0-27%), although both agents inhibited Akt phosphorylation as detected by western blot analysis. A statistically significant correlation between PTEN loss (western blot) and the extent of Akt X-induced cytotoxicity was found (p = 0.03). Akt inhibition reduces in vitro proliferation of treatment-resistant GSC lines, especially in PTEN-deficient lines, warranting further translational investigation in glioblastoma.</p>","PeriodicalId":12782,"journal":{"name":"Growth factors","volume":" ","pages":"20-36"},"PeriodicalIF":1.8,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143614650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Growth factorsPub Date : 2024-10-01Epub Date: 2024-12-25DOI: 10.1080/08977194.2024.2432951
G A Alsabri, F van der Horst, S A Alkaabi, S A Alavi, T Forouzanfar, M N Helder
{"title":"Evaluating growth-factor release in leukocyte- and platelet-rich fibrin, advanced platelet-rich fibrin, and injectable platelet-rich fibrin protocols: a narrative review.","authors":"G A Alsabri, F van der Horst, S A Alkaabi, S A Alavi, T Forouzanfar, M N Helder","doi":"10.1080/08977194.2024.2432951","DOIUrl":"10.1080/08977194.2024.2432951","url":null,"abstract":"<p><p>Since its introduction in 2001, multiple platelet-rich fibrin (PRF) centrifugation protocols have emerged, but the variations in growth factor release that result from these protocols remain unclear. This review aimed to evaluate growth factor release across three PRF protocols: leukocyte-PRF (L-PRF), advanced-PRF (A-PRF/+), and injectable-PRF (i-PRF). A comprehensive search was conducted using the MEDLINE and Embase databases, identifying 14 studies that met the inclusion criteria. Due to significant heterogeneity in study designs and methodologies, a meta-analysis was not feasible. However, our findings suggest that lower-speed centrifugation protocols, such as A-PRF/+ and i-PRF, tend to provide a more uniform cell distribution and sustain higher growth factor release over time compared to the conventional L-PRF protocol. Despite these observations, the current evidence is insufficient to draw definitive conclusions about the growth factor release levels among L-PRF, A-PRF/+, and i-PRF. Further well-designed, comparative studies are required to clarify these differences and establish optimal protocols for clinical use.</p>","PeriodicalId":12782,"journal":{"name":"Growth factors","volume":" ","pages":"216-228"},"PeriodicalIF":1.8,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142894007","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Plasma levels and diagnostic utility of VEGF, MMP-9 and TIMP-2 in the diagnosis of psoriasis forms.","authors":"Imen Chihaoui, Arbia Abbes, Wiem Zidi, Nesrine Fourti, Dalenda El Euch, Amel Mebazaa, Moncef Feki, Mourad Mokni, Sameh Hadj Taieb, Monia Allal-Elasmi","doi":"10.1080/08977194.2024.2430205","DOIUrl":"10.1080/08977194.2024.2430205","url":null,"abstract":"<p><p>Psoriasis pathogenisis remain unknown despite the fact that it is considered as the most common autoimmune skin disease. We raised the hypothesis whether the selected biomarkers in this study provide actual evidence of psoriasis presence and severity. We aim in a first level to study serum level of pro-angiogenic marker VEGF variation and its correlation with MMP-9 and its specific inhibitor TIMP-2 in psoriatic patients serum. The study included 115 psoriatic patients and 51 controls. The biological parameters were measured by ELISA methods. Logistic regression analysis showed that VEGF, MMP-9, and inflammation Z-score are associated with psoriasis. ROC analysis showed that VEGF has low discriminant power for PsVG, However TIMP-2 and inflammation Z-scorewell discriminate this variant of psoriasis. The combined analysis of VEGF-TIMP-2 resulted in a significant increase in discriminant power for PsVG. Increase inflammatory phase may be reflecting the tissue destruction byMMP-9, emphasizing the deleterious expanse and the architectural changes of the skin which are more severe in PsP.</p>","PeriodicalId":12782,"journal":{"name":"Growth factors","volume":" ","pages":"188-197"},"PeriodicalIF":1.8,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142695074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Growth factorsPub Date : 2024-10-01Epub Date: 2024-11-14DOI: 10.1080/08977194.2024.2422014
Weiqiang Wei, Di Xu, Fan Hu, Tenglong Jiang, Hong Liu
{"title":"Platelet-rich plasma promotes wound repair in diabetic foot ulcer mice via the VEGFA/VEGFR2/ERK pathway.","authors":"Weiqiang Wei, Di Xu, Fan Hu, Tenglong Jiang, Hong Liu","doi":"10.1080/08977194.2024.2422014","DOIUrl":"10.1080/08977194.2024.2422014","url":null,"abstract":"<p><p>Diabetic foot ulcers (DFUs) are a severe microvascular complication. Platelet-rich plasma (PRP) pitches in DFU treatment. This study explored the mechanism of PRP facilitating wound repair in DFU mice via vascular endothelial growth factor A (VEGFA)/VEGF receptor 2 (VEGFR2)/extracellular signal-regulated kinase (ERK) pathway. The DFU mouse model was established, with wound skin injected with PRP, followed by the detections of wound area, histopathological changes, and CD31-positive cells. IL-6/TNF-α/VEGFA/VEGFR2/p-VEGFR2/(ERK1/2)/(p-ERK1/2) levels in wound tissue homogenates were assessed. VEGFA-VEGFR2 interaction was evaluated. PRP-treated DFU mice were simultaneously treated with fruquintinib/PD98059. PRP reduced wound area, IL-6 and TNF-α levels, elevated epidermal dermal thickness, CD31-positive cell number, and aligned tissue structure, which were mitigated by fruquintinib/PD98059. PRP promoted VEGFR2 phosphorylation. PRP and fruquintinib/PD98059 abated p-VEGFR2/VEGFR2 or p-ERK1/2/ERK1/2 levels in DFU mice. PRP activated the ERK pathway through VEGFA/VEGFR2. Collectively, PRP promoted VEGFR2 phosphorylation and activated the ERK pathway, thereby facilitating wound repair in DFU mice.</p>","PeriodicalId":12782,"journal":{"name":"Growth factors","volume":" ","pages":"161-170"},"PeriodicalIF":1.8,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142618736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"GDF15 promotes corneal neovascularization and RB cell progression via AKT/ERK signal pathway.","authors":"Haijian Zheng, Wen Zheng, Shiliang Cheng, Chunguang Li, Guanglan Liu, Miao Yu, Meng Li, Xinfeng Liu, Fangfang Li, Yanluan Wan, Ling Wang","doi":"10.1080/08977194.2024.2432948","DOIUrl":"10.1080/08977194.2024.2432948","url":null,"abstract":"<p><p>In this study, we aim to explore the involvement of growth differentiation factor 15 (GDF15) in both corneal neovascularization (CNV) and retinoblastoma (RB) progression. Cell migration and proliferation were assessed through Scratch assays and CCK-8 assays. Apoptosis was quantified using flow cytometry. In vitro angiogenesis was evaluated through a tube formation assay. RT-PCR and western blot analyses were employed to assess the angiogenesis-related factors. Results demonstrated that RhGDF15 has a promotional effect on the migration of RB cells. Conversely, si-GDF15 demonstrated an opposite effect. RhGDF15 exhibited an enhancement the tube formation, the levels of HIF-1α and SDF, as well as cell migration. Conversely, si-GDF15 demonstrated an opposite effect. The levels of factors were elevated by rhGDF15 in both HREC and RB cell lines. In conclusion, the downregulation of GDF15 has the potential to inhibit corneal angiogenesis and impede the migration of RB cells. These effects may be dependent on the AKT/ERK pathway.</p>","PeriodicalId":12782,"journal":{"name":"Growth factors","volume":" ","pages":"205-215"},"PeriodicalIF":1.8,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142947773","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Growth factorsPub Date : 2024-10-01Epub Date: 2024-10-10DOI: 10.1080/08977194.2024.2413623
Marie Rubin Sander, Agni Karolina Tsiatsiou, Kehuan Wang, Natalia Papadopoulos, Charlotte Rorsman, Frida Olsson, Johan Heldin, Ola Söderberg, Carl-Henrik Heldin, Johan Lennartsson
{"title":"PDGF-induced internalisation promotes proteolytic cleavage of PDGFRβ in mesenchymal cells.","authors":"Marie Rubin Sander, Agni Karolina Tsiatsiou, Kehuan Wang, Natalia Papadopoulos, Charlotte Rorsman, Frida Olsson, Johan Heldin, Ola Söderberg, Carl-Henrik Heldin, Johan Lennartsson","doi":"10.1080/08977194.2024.2413623","DOIUrl":"10.1080/08977194.2024.2413623","url":null,"abstract":"<p><p>Platelet-derived growth factor (PDGF)-induced signalling via PDGF receptor β (PDGFRβ) leads to activation of downstream signalling pathways which regulate multiple cellular responses. It is unclear how PDGFRβ is degraded; both lysosomal and proteasomal degradation have been suggested. In this study, we have characterised the proteolytic cleavage of ligand-activated PDGFRβ, which results in two fragments: a larger fragment containing the extracellular domain, the transmembrane segment, and a part of the intracellular juxtamembrane region with a molecular mass of ∼130 kDa, and an intracellular ∼70 kDa fragment released into the cytoplasm. The proteolytic processing did not take place without internalisation of PDGFRβ. In addition, chelation of intracellular Ca<sup>2+</sup> inhibited proteolytic processing. Inhibition of the proteasome affected signal transduction by increasing the phosphorylation of PDGFRβ, PLCγ, and STAT3 while reducing it on Erk1/2 and not affecting Akt. The proteolytic cleavage was observed in fibroblasts or cells that had undergone epithelial-mesenchymal transition.</p>","PeriodicalId":12782,"journal":{"name":"Growth factors","volume":" ","pages":"147-160"},"PeriodicalIF":1.8,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142463302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Growth factorsPub Date : 2024-10-01Epub Date: 2024-11-23DOI: 10.1080/08977194.2024.2432941
Ashraf A Elsharkawy, Amany K El-Hawary, Gehan A AlSawah, Hadil M AboElenin, Mohammad H Awad
{"title":"Role of leptin and Insulin like growth Factor-1 In regulation of growth in children with congenital cyanotic heart disease.","authors":"Ashraf A Elsharkawy, Amany K El-Hawary, Gehan A AlSawah, Hadil M AboElenin, Mohammad H Awad","doi":"10.1080/08977194.2024.2432941","DOIUrl":"10.1080/08977194.2024.2432941","url":null,"abstract":"<p><strong>Background: </strong>Congenital cyanotic heart disease (CHD) in children is associated with several complications, amongst these complications is growth retardation which is believed to be multifactorial.</p><p><strong>Objectives: </strong>The objective of this study is to find out the role of leptin and Insulin-Like Growth Factor-1 (IGF-1) in the growth of paediatric patients with cyanotic CHD of different anatomical defects.</p><p><strong>Design/methods: </strong>This is a cross-sectional study involving thirty-nine children known to suffer from congenital cyanotic heart disease followed by the cardiology outpatient department, and forty-seven matched controls. Serum leptin and IGF-1 were evaluated in all the enrolled subjects besides anthropometric measurement and assessment of average oxygen saturation.</p><p><strong>Results: </strong>The patients' group showed statistically significant lower height, weight, Body mass index (BMI), leptin levels, and IGF-1. In addition, the patient group had a significant positive correlation between serum leptin and BMI, as well as a positive correlation of IGF-1 with average oxygen saturation.</p><p><strong>Conclusion: </strong>Children suffering from congenital cyanotic heart disease have a higher probability of developing poor growth. Serum leptin and IGF-1 are lower in affected children with congenital cyanotic cardiac defects suggesting that they may play a role in their poor growth.</p>","PeriodicalId":12782,"journal":{"name":"Growth factors","volume":" ","pages":"198-204"},"PeriodicalIF":1.8,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142695093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Growth factorsPub Date : 2024-10-01Epub Date: 2024-11-01DOI: 10.1080/08977194.2024.2423747
Meysam Bastami, Ramin Hosseini
{"title":"The codon optimised gene produces an active human basic fibroblastic growth factor in rice cell suspension culture.","authors":"Meysam Bastami, Ramin Hosseini","doi":"10.1080/08977194.2024.2423747","DOIUrl":"10.1080/08977194.2024.2423747","url":null,"abstract":"<p><p>The coding sequence of human basic fibroblast growth factor (hbFGF) was optimised for expression in rice. An expression cassette was constructed by fusing the PCR-amplified <i>RAmy3D</i> promoter, along with its 5'UTR, 3'UTR, and terminator sequences, to the codon-optimised hbFGF sequence. This cassette was inserted into the pCAMBIA1304 shuttle vector, which also contained the RAmy3D signal peptide. <i>Agrobacterium tumefaciens</i> strain LBA 4404 was used to transform rice callus. Among the transformed lines, the callus expressing the highest level of bFGF (38.1 mg/kg fresh weight) was identified via ELISA and selected for establishing a cell suspension culture. Expression and secretion of the recombinant bFGF into the culture medium were observed three days after incubating the transgenic rice cells in sucrose-free medium. The presence of recombinant bFGF was confirmed through Western blot and SDS-PAGE analyses. Furthermore, the rice-derived bFGF effectively stimulated the proliferation of NIH/3T3 cells, demonstrating a comparable biological activity to that of commercial bFGF.</p>","PeriodicalId":12782,"journal":{"name":"Growth factors","volume":" ","pages":"171-187"},"PeriodicalIF":1.8,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142557779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Growth factorsPub Date : 2024-08-01Epub Date: 2024-09-25DOI: 10.1080/08977194.2024.2407566
Wafa'a Alqabandi, Gursev S Dhaunsi
{"title":"L-Glutamine mitigates bile acid-induced inhibition of growth factor activity in rat hepatocyte cultures.","authors":"Wafa'a Alqabandi, Gursev S Dhaunsi","doi":"10.1080/08977194.2024.2407566","DOIUrl":"10.1080/08977194.2024.2407566","url":null,"abstract":"<p><p>Bile acid-induced hepatotoxicity is inevitable in Cholestasis pathogenesis and L-Glutamine (L-Gln) has been reported to prevent total parenteral nutrition (TPN)-induced cholestasis in premature neonates. While mechanisms remain unknown, we hypothesize that bile acids impair growth factor (GF) function in hepatocytes which L-glutamine prevents through NAPDH oxidase (NOX) modulation. Glycochenodeoxycholic acid (GCDC, 0-100 µM) when added to primary hepatocyte cultures significantly (p < 0.01) decreased the FBS-induced BrdU incorporation, however inhibition of Fibroblast Growth factor (FGF)- or Hepatocyte growth factor (HGF)-induced DNA synthesis was more pronounced (p < 0.001). L-Gln markedly attenuated GCDC-mediated inhibition of DNA synthesis in both FBS and GF-treated cells. GCDC significantly increased the NADPH oxidase activity and NOX-1 protein expression that were markedly reduced by L-Gln and protein kinase c (PKC) inhibitor, LY-333531. Apocynin (APCN) and diphenyliodonium (DPI) significantly blocked the GCDC-mediated inhibition of GF-induced DNA synthesis. This study demonstrates that bile acid-induced hepatotoxicity involves dysfunction of certain growth factors via protein kinase c (PKC)- mediated NOX modulation which can be corrected, at least partly, by L-glutamine.</p>","PeriodicalId":12782,"journal":{"name":"Growth factors","volume":" ","pages":"120-127"},"PeriodicalIF":1.8,"publicationDate":"2024-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142345146","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}