Full paperExtracellular matrix (mesoglea) of Hydra vulgaris: II. Influence of collagen and proteoglycan components on head regeneration☆
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The Basement Membrane Proteoglycans Perlecan and Agrin: Something Old, Something New
2015, Current Topics in MembranesCitation Excerpt :The occurrence of proteoglycans as intrinsic components of basement membranes can be found early in evolution. Their presence in these highly specialized matrices can be traced back to the development of the mesoglea, a primordial basement membrane-like structure interposed between the endoderm and ectoderm in the cnidarian, Hydra vulgaris (Sarras, Madden, et al., 1991; Sarras, Meador, & Zhang, 1991). More recent studies have since isolated and characterized the GAGs from hydra, reporting that the major GAG species present in total hydra homogenates was chondroitin sulfate (CS), present as both nonsulfated and sulfated CS chains; heparan sulfate (HS) was also identified but present to a lesser extent (Yamada, Morimoto, Fujisawa, & Sugahara, 2007).
Adhesion networks of cnidarians: A postgenomic view
2014, International Review of Cell and Molecular BiologyCitation Excerpt :Integration of these classic methods with the application of pharmacological inhibitors, antibodies or antisense reagents has led to the identification of functional roles for ECM components including Hcol-1, laminin beta subunit, Hmp1, Hmp2, and MMP in regenerative processes (Deutzmann et al., 2000; Shimizu et al., 2002; Yan et al., 1995, 2000a,b; Zhang et al., 2002). Blockade of glycosaminoglycan substitutions by β-xyloside has implicated roles for glycosaminoglycans in head regeneration (Sarras et al., 1991b, 1993; Zhang et al., 2002). In agreement with its localization in the body, Hmp1 has particular roles in head regeneration and affects the differentiation status of tentacle epidermal cells.
Immortality and the base of multicellular life: Lessons from cnidarian stem cells
2009, Seminars in Cell and Developmental BiologyFACIT collagen (1α-chain) is expressed by hemocytes and epidermis during the inflammatory response of the ascidian Ciona intestinalis
2008, Developmental and Comparative ImmunologyWhy polyps regenerate and we don't: Towards a cellular and molecular framework for Hydra regeneration
2007, Developmental BiologyType IV collagen: A network for development, differentiation, and disease
2005, Advances in Developmental BiologyCitation Excerpt :Purified 7S domain is the most potent inhibitor, followed by NC1 domain monomers and then NC1 hexamers. Aggregation is also blocked by agents that inhibit collagen cross‐linking (Sarras et al., 1991b). Consistent with these studies, type IV collagen has been shown to also be essential for head regeneration (Fowler et al., 2000).
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This work was supported in part by NIH grants RR06500 (M.P.S.); funds were awarded to M.P.S. by the Juvenile Diabetes Foundation International; and funds from the University of Kansas Medical Center BRSG program were awarded to M.P.S.