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Histopathological Comparison and Expression Analysis of COL1A1, COL3A1, and ELN in the Proximal and Distal Ventral Dartos of Patients With Hypospadias: Protocol for Prospective Case-Control Study

Histopathological Comparison and Expression Analysis of COL1A1, COL3A1, and ELN in the Proximal and Distal Ventral Dartos of Patients With Hypospadias: Protocol for Prospective Case-Control Study

Hypospadias is a common congenital malformation characterized by the displacement of the urethral meatus on the ventral side of the penis, incomplete ventral prepuce development, and penile curvature known as chordee [1-3]. Hypospadias represents the most prevalent form of penile deformity, with data indicating its occurrence in 1 out of every 125-300 male births [4-6]. The severity of this anomaly varies, with meatus locations ranging from the glans to the scrotum [3].

Putu Angga Risky Raharja, Ponco Birowo, Lisnawati Rachmadi, Heri Wibowo, Aria Kekalih, Gede Wirya Kusuma Duarsa, Tariq Abbas, Irfan Wahyudi

JMIR Res Protoc 2025;14:e70075

Differences in Messenger RNA Expression of Fibulin-1, Elastin, Matrix Metalloproteinase-1, Basic Fibroblast Growth Factor, and α-Smooth Muscle Actin Between the Ventral and Dorsal Tunica Dartos in Patients With Hypospadias and Chordee: Protocol for a Prospective Cohort Study

Differences in Messenger RNA Expression of Fibulin-1, Elastin, Matrix Metalloproteinase-1, Basic Fibroblast Growth Factor, and α-Smooth Muscle Actin Between the Ventral and Dorsal Tunica Dartos in Patients With Hypospadias and Chordee: Protocol for a Prospective Cohort Study

Chordee, a downward curvature of the penis, is commonly associated with hypospadias and results from tissue growth disturbances [5]. The proteins fibulin-1, elastin, matrix metalloproteinase-1 (MMP-1), basic fibroblast growth factor (b FGF or FGF-2), and α-smooth muscle actin (α-SMA) play roles in hypospadias development [4,6,7]. Fibulin-1 is related to extracellular matrix integrity, while elastin contributes to tissue extensibility.

Joko Pitoyo, Alvarino, Eryati Darwin, Yanwirasti

JMIR Res Protoc 2024;13:e52282