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- PMID: 25145936
- UKPMCID: 25145936
- DOI: 10.1681/ASN.2013090961
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Urinary Tract Effects of HPSE2 Mutations.
Stuart, Helen M; Roberts, Neil A; Hilton, Emma N; McKenzie, Edward A; Daly, Sarah B; Hadfield, Kristen D; Rahal, Jeffery S; Gardiner, Natalie J; Tanley, Simon W; Lewis, Malcolm A; Sites, Emily; Angle, Brad; Alves, Cláudia; Lourenço, Teresa; Rodrigues, Márcia; Calado, Angelina; Amado, Marta; Guerreiro, Nancy; Serras, Inês; Beetz, Christian; Varga, Rita-Eva; Silay, Mesrur Selcuk; Darlow, John M; Dobson, Mark G; Barton, David E; Hunziker, Manuela; Puri, Prem; Feather, Sally A; Goodship, Judith A; Goodship, Timothy H J; Lambert, Heather J; Cordell, Heather J; ; Saggar, Anand; Kinali, Maria; ; Lorenz, Christian; Moeller, Kristina; Schaefer, Franz; Bayazit, Aysun K; Weber, Stefanie; Newman, William G; Woolf, Adrian S
Journal of the American Society of Nephrology : JASN. 2014;.
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Full-text held externally
- PMID: 25145936
- UKPMCID: 25145936
- DOI: 10.1681/ASN.2013090961
Abstract
Urofacial syndrome (UFS) is an autosomal recessive congenital disease featuring grimacing and incomplete bladder emptying. Mutations of HPSE2, encoding heparanase 2, a heparanase 1 inhibitor, occur in UFS, but knowledge about the HPSE2 mutation spectrum is limited. Here, seven UFS kindreds with HPSE2 mutations are presented, including one with deleted asparagine 254, suggesting a role for this amino acid, which is conserved in vertebrate orthologs. HPSE2 mutations were absent in 23 non-neurogenic neurogenic bladder probands and, of 439 families with nonsyndromic vesicoureteric reflux, only one carried a putative pathogenic HPSE2 variant. Homozygous Hpse2 mutant mouse bladders contained urine more often than did wild-type organs, phenocopying human UFS. Pelvic ganglia neural cell bodies contained heparanase 1, heparanase 2, and leucine-rich repeats and immunoglobulin-like domains-2 (LRIG2), which is mutated in certain UFS families. In conclusion, heparanase 2 is an autonomic neural protein implicated in bladder emptying, but HPSE2 variants are uncommon in urinary diseases resembling UFS.
Bibliographic metadata
- Stuart, Helen M
- Roberts, Neil A
- Hilton, Emma N
- McKenzie, Edward A
- Daly, Sarah B
- Hadfield, Kristen D
- Rahal, Jeffery S
- Gardiner, Natalie J
- Tanley, Simon W
- Lewis, Malcolm A
- Sites, Emily
- Angle, Brad
- Alves, Cláudia
- Lourenço, Teresa
- Rodrigues, Márcia
- Calado, Angelina
- Amado, Marta
- Guerreiro, Nancy
- Serras, Inês
- Beetz, Christian
- Varga, Rita-Eva
- Silay, Mesrur Selcuk
- Darlow, John M
- Dobson, Mark G
- Barton, David E
- Hunziker, Manuela
- Puri, Prem
- Feather, Sally A
- Goodship, Judith A
- Goodship, Timothy H J
- Lambert, Heather J
- Cordell, Heather J
- Saggar, Anand
- Kinali, Maria
- Lorenz, Christian
- Moeller, Kristina
- Schaefer, Franz
- Bayazit, Aysun K
- Weber, Stefanie
- Newman, William G
- Woolf, Adrian S