The aim of the present study was to investigate the effects of recombinant human anti-mullerian hormone (rhAMH) on Stem Cell Factor (SCF) expression in human granulosa cells (GCs). GCs were obtained from infertile patients undergoing IVF-ET cycles and cultured with 20 ng/ml of rhAMH. The levels of SCF mRNA and protein were detected in both matched and experimental group by real-time PCR, immunofluorescence, and ELISA, respectively, on day 4 of culture. We found that human GCs expressed SCF mRNA and protein, and SCF expression in the experimental group was significantly lower than that in the matched group (p < 0.05). We further showed that rhAMH inhibited SCF expression at mRNA and protein levels.
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http://dx.doi.org/10.1007/s12013-013-9649-x | DOI Listing |
PLoS Genet
January 2025
National Glycoengineering Research Center, Shandong University, Qingdao, China.
Protein ubiquitination is usually coupled with proteasomal degradation and is crucial in regulating protein quality. The E3 ubiquitin-protein ligase SCF (Skp1-Cullin-F-box) complex directly recognizes the target substrate via interaction between the F-box protein and the substrate. F-box protein is the determinant of substrate specificity.
View Article and Find Full Text PDFWorld J Gastrointest Oncol
January 2025
Department of Orthopaedics, Air Force Hospital of Eastern Theater, Anhui Medical University, Nanjing 230032, Jiangsu Province, China.
Background: Previous cellular studies have demonstrated that elevated expression of Cx43 promotes the degradation of cyclin E1 and inhibits cell proliferation through ubiquitination. Conversely, reduced expression results in a loss of this capacity to facilitate cyclin E degradation. The ubiquitination and degradation of cyclin E1 may be associated with phosphorylation at specific sites on the protein, with Cx43 potentially enhancing this process by facilitating the phosphorylation of these critical residues
Aim: To investigate the correlation between expression of Cx43, SKP1/Cullin1/F-box (SCF), p-cyclin E1 (ser73, thr77, thr395) and clinicopathological indexes in colon cancer.
Int J Mol Sci
January 2025
Institute of Cotton, Hebei Academy of Agriculture and Forestry Sciences/Key Laboratory of Cotton Biology and Genetic Breeding in Huanghuaihai Semiarid Area, Ministry of Agriculture and Rural Affairs, Shijiazhuang 050000, China.
SKP1 constitutes the Skp1-Cullin-F-box ubiquitin E3 ligase (SCF), which plays a role in plant growth and development and biotic and abiotic stress in ubiquitination. However, the response of the gene family to abiotic and biotic stresses in cotton has not been well characterized. In this study, a total of 72 genes with the conserved domain of SKP1 were identified in four Gossypium species.
View Article and Find Full Text PDFBiochim Biophys Acta Mol Basis Dis
January 2025
State Key Laboratory of Organ Failure Research, National Clinical Research Center of Kidney Disease, Guangdong Provincial Institute of Nephrology, Guangdong Provincial Key Laboratory of Renal Failure Research, Division of Nephrology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China; Biobank of Peking University First Hospital, Peking University First Hospital, State Key Laboratory of Vascular Homeostasis and Remodeling, Peking University Health Science Center, Peking University, Beijing 100034, China. Electronic address:
A couple of S100 family proteins (S100s) have been reported to exert pro-inflammatory functions in the progression of renal fibrosis. Unlike some S100s which are expressed by both epithelial and stromal inflammatory cells, S100A7 is restricted expressed in epithelium. Persistent S100A7 expression occurs in some invasive carcinomas and is associated with poor prognostic factors.
View Article and Find Full Text PDFWorld J Gastroenterol
January 2025
Department of Gastroenterology, The Air Force Medical Center, Beijing 100142, China.
Background: Simulated microgravity environment can lead to gastrointestinal motility disturbance. The pathogenesis of gastrointestinal motility disorders is closely related to the stem cell factor (SCF)/c-kit signaling pathway associated with intestinal flora and Cajal stromal cells. Moreover, intestinal flora can also affect the regulation of SCF/c-kit signaling pathway, thus affecting the expression of Cajal stromal cells.
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