Several methods for simple and efficient chemical synthesis of dolichyl phosphates and their analogues and derivatives are briefly summarized with a special emphasis on chemical modification of phosphoryl group and preparation of dolichyl phosphates labelled at the omega-end and at the gamma-isoprene unit of the isoprene chain by fluorescent groups, 2-aminopyridine and 1-aminonaphtalene residues. Additionally, data on biochemical assays with application of the compounds mentioned above are presented.
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Sheng Wu Gong Cheng Xue Bao
June 2024
School of Biotechnology, Jiangnan University, Wuxi 214122, Jiangsu, China.
Protein folding and quality control processes primarily occur in the endoplasmic reticulum (ER). ER-resident molecular chaperones play a crucial role in guiding nascent polypeptides towards their correct tertiary structures. Some of these chaperones specifically recognize glucosylated -glycan moieties on peptide.
View Article and Find Full Text PDFAm J Transl Res
April 2024
Department of Orthopedic Surgery, The Second Hospital of Dalian Medical University Dalian, Liaoning, China.
Background: Osteoporosis (OP) stands as a prevalent bone ailment affecting the elderly, globally. The identification of reliable diagnostic markers crucially aids OP clinical management.
Methods: Utilizing the GEO database (GSE35959), we acquired expression profiles for OP and normal samples.
J Cell Biol
April 2024
Department of Biomedicine, University of Basel, Basel, Switzerland.
Glycosylation is essential to facilitate cell-cell adhesion and differentiation. We determined the role of the dolichol phosphate mannosyltransferase (DPM) complex, a central regulator for glycosylation, for desmosomal adhesive function and epidermal differentiation. Deletion of the key molecule of the DPM complex, DPM1, in human keratinocytes resulted in weakened cell-cell adhesion, impaired localization of the desmosomal components desmoplakin and desmoglein-2, and led to cytoskeletal organization defects in human keratinocytes.
View Article and Find Full Text PDFEnviron Toxicol
March 2024
Shanghai Putuo Central School of Clinical Medicine, Anhui Medical University, Shanghai, China.
Breast cancer (BRCA) is the most common malignancies worldwide with increasing rate. Dolichol phosphate mannose synthase (DPMS) is a critical mannosyltransferase involved in the posttranslational modification of proteins. At present, there is limited knowledge regarding the function of DPMS in breast cancer.
View Article and Find Full Text PDFDolichyl phosphates (DolP) are ubiquitous lipids that are present in almost all eukaryotic membranes. They play a key role in several protein glycosylation pathways and the formation of glycosylphosphatidylinositol anchors. These lipids constitute only ~0.
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