doi:10.1369/jhc.7A7188.2007
Volume 55 (11): 1089-1094, 2007 Copyright ©The Histochemical Society, Inc. Septin Expression in Proliferative Retinal Membranes
Department of Ophthalmic Pathology (XX,PM), University Eye Clinic (CP,JF), University of Basel, Basel, Switzerland; Department of Ophthalmology, Qinghai Provincial People's Hospital, Xining, Qinghai, China (XX); and University Eye Hospital (MP), Department of Pediatrics and Adolescent Medicine (BZ,IB), University of Freiburg, Freiburg, Germany Correspondence to: Peter Meyer, MD, Department of Ophthalmic Pathology, University of Basel, PO Box CH-4012, Basel, Switzerland. E-mail: peter.meyer{at}unibas.ch We undertook this study to evaluate the expression of septin family members SEPT5, SEPT8, and SEPT11 in proliferative retinal membranes. Epiretinal membranes (ERM) were obtained from seven patients with proliferative vitreoretinopathy (PVR) and from four patients and four postmortem eyes with proliferative diabetic retinopathy (PDR). Subretinal membranes (SRM) were obtained from one patient and six postmortem eyes. Membranes were examined by immunohistochemical staining of paraffin sections using polyclonal antibodies against SEPT5, SEPT8, and SEPT11 and an ABC detection system. SEPT8 expression was detected in all ERM and SRM, with an exceptionally strong expression of 100% for ERM of PVR, 63% for PDR membranes, and 57% for SRM. SEPT11 was identified in 91% of all cases, with strong expression of 14%, 25%, and 14% in ERM of PVR, PDR, and SRM, respectively. SEPT5 was seen in 54% of all cases; strong immunostaining was found in only one case of PVR membranes. Our finding suggests a role for members of the septin family in the development of proliferative retinal membranes. (J Histochem Cytochem 55:1089–1094, 2007)
Key Words: SEPT5 SEPT8 SEPT11 proliferative vitreoretinopathy proliferative diabetic retinopathy epiretinal membrane subretinal membrane
|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||