Synthesis and biology of oligoethylene glycol linked naphthoxylosides.
Thorsheim, Karin LU ; Persson, Andrea LU ; Johnsson, Richard LU ; Löfgren, Johanna ; Mani, Katrin LU
and Ellervik, Ulf
LU
(2013)
In Bioorganic & Medicinal Chemistry
21(11).
p.3310-3317
- Abstract
- Proteoglycans (PGs) are important macromolecules in mammalian cells, consisting of a core protein substituted with carbohydrate chains, known as glycosaminoglycans (GAGs). Simple xylosides carrying hydrophobic aglycons can enter cells and act as primers for GAG chain synthesis, independent of the core protein. Previously it has been shown that aromatic aglycons can be separated from the sugar residue by short linkers without affecting the GAG priming ability. To further investigate the effects of the xylose-aglycon distance on the GAG priming ability, we have synthesized xyloside derivatives with 2-naphthyl and 2-(6-hydroxynaphthyl) moieties connected to xylose, directly, via a methylene bridge, or with oligoethylene glycol linkers of... (More)
- Proteoglycans (PGs) are important macromolecules in mammalian cells, consisting of a core protein substituted with carbohydrate chains, known as glycosaminoglycans (GAGs). Simple xylosides carrying hydrophobic aglycons can enter cells and act as primers for GAG chain synthesis, independent of the core protein. Previously it has been shown that aromatic aglycons can be separated from the sugar residue by short linkers without affecting the GAG priming ability. To further investigate the effects of the xylose-aglycon distance on the GAG priming ability, we have synthesized xyloside derivatives with 2-naphthyl and 2-(6-hydroxynaphthyl) moieties connected to xylose, directly, via a methylene bridge, or with oligoethylene glycol linkers of three different lengths. The GAG priming ability and the antiproliferative activity of the xylosides, as well as the composition of the xyloside-primed GAG chains were investigated in a matched pair of human breast fibroblasts and human breast carcinoma cells. An increase of the xylose-aglycon distance from 0.24 to 0.37nm resulted in an increased GAG priming ability in both cell lines. Further increase of the xylose-aglycon distance did not result in any pronounced effects. We speculate that by increasing the xylose-aglycon distance, and thereby the surface area of the xyloside, to a certain level would make it more accessible for enzymes involved in the GAG synthesis. The compositions of the primed GAG chains varied with different xylosides, independent of the xylose-aglycon distance, probably due to various affinities for enzymes and/or different cellular uptake. Furthermore, no correlations between the antiproliferative activities, the xylose-aglycon distances, and the amounts or compositions of the GAG chains were detected suggesting involvement of other factors such as fine structure of the GAG chains, effects on endogenous PG synthesis, or other unknown factors for the antiproliferative activity. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/3733550
- author
- Thorsheim, Karin
LU
; Persson, Andrea
LU
; Johnsson, Richard
LU
; Löfgren, Johanna
; Mani, Katrin
LU
and Ellervik, Ulf
LU
- organization
- publishing date
- 2013
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Bioorganic & Medicinal Chemistry
- volume
- 21
- issue
- 11
- pages
- 3310 - 3317
- publisher
- Elsevier
- external identifiers
-
- wos:000319002600052
- pmid:23602625
- scopus:84877815730
- pmid:23602625
- ISSN
- 0968-0896
- DOI
- 10.1016/j.bmc.2013.02.062
- language
- English
- LU publication?
- yes
- id
- f1ed0784-60f2-4a00-95cd-9897bd8a0d74 (old id 3733550)
- alternative location
- http://www.ncbi.nlm.nih.gov/pubmed/23602625?dopt=Abstract
- date added to LUP
- 2016-04-01 10:15:03
- date last changed
- 2024-01-21 09:23:41
@article{f1ed0784-60f2-4a00-95cd-9897bd8a0d74,
abstract = {{Proteoglycans (PGs) are important macromolecules in mammalian cells, consisting of a core protein substituted with carbohydrate chains, known as glycosaminoglycans (GAGs). Simple xylosides carrying hydrophobic aglycons can enter cells and act as primers for GAG chain synthesis, independent of the core protein. Previously it has been shown that aromatic aglycons can be separated from the sugar residue by short linkers without affecting the GAG priming ability. To further investigate the effects of the xylose-aglycon distance on the GAG priming ability, we have synthesized xyloside derivatives with 2-naphthyl and 2-(6-hydroxynaphthyl) moieties connected to xylose, directly, via a methylene bridge, or with oligoethylene glycol linkers of three different lengths. The GAG priming ability and the antiproliferative activity of the xylosides, as well as the composition of the xyloside-primed GAG chains were investigated in a matched pair of human breast fibroblasts and human breast carcinoma cells. An increase of the xylose-aglycon distance from 0.24 to 0.37nm resulted in an increased GAG priming ability in both cell lines. Further increase of the xylose-aglycon distance did not result in any pronounced effects. We speculate that by increasing the xylose-aglycon distance, and thereby the surface area of the xyloside, to a certain level would make it more accessible for enzymes involved in the GAG synthesis. The compositions of the primed GAG chains varied with different xylosides, independent of the xylose-aglycon distance, probably due to various affinities for enzymes and/or different cellular uptake. Furthermore, no correlations between the antiproliferative activities, the xylose-aglycon distances, and the amounts or compositions of the GAG chains were detected suggesting involvement of other factors such as fine structure of the GAG chains, effects on endogenous PG synthesis, or other unknown factors for the antiproliferative activity.}},
author = {{Thorsheim, Karin and Persson, Andrea and Johnsson, Richard and Löfgren, Johanna and Mani, Katrin and Ellervik, Ulf}},
issn = {{0968-0896}},
language = {{eng}},
number = {{11}},
pages = {{3310--3317}},
publisher = {{Elsevier}},
series = {{Bioorganic & Medicinal Chemistry}},
title = {{Synthesis and biology of oligoethylene glycol linked naphthoxylosides.}},
url = {{https://lup.lub.lu.se/search/files/1689145/4053919.pdf}},
doi = {{10.1016/j.bmc.2013.02.062}},
volume = {{21}},
year = {{2013}},
}