This paper presents a patient with the following malformations: split hand and split foot on the left side, a hypoplastic fifth ray of the right hand and a hypoplastic first ray of the right foot with a small cleft between the first and second ray; eye abnormalities which consist of a complete iris coloboma of the left eye in an atypical position (cranio-temporal) and a coloboma of the choroid in the right eye; a glandular hypospadias and terato-zoospermia. Since split hand/split foot can be caused by mutations in the p63 gene, mutation analysis of this gene was performed. However, sequencing analysis did not reveal a mutation. This malformation complex may represent a new syndrome.
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http://dx.doi.org/10.1097/00019605-200210000-00001 | DOI Listing |
Pathol Int
March 2024
Department of Diagnostic Pathology, Kindai University Hospital, Osaka, Japan.
Perturbation of genes is important for somatic hypermutation to increase antibody affinity during B-cell immunity; however, it may also promote carcinogenesis. Previous studies have revealed that transcription is an important process that can induce DNA damage and genomic instability. Transciption-export-2 (TREX-2) complex, which regulates messenger RNA (mRNA) nuclear export, has been studied in the budding yeast Saccharomyces cerevisiae; however, recent studies have started investigating the molecular function of the mammalian TREX-2 complex.
View Article and Find Full Text PDFProtein Sci
September 2023
Structural Biology and NMR Laboratory, University of Copenhagen, Copenhagen N, Denmark.
Intrinsically disordered proteins (IDPs) are often multifunctional and frequently posttranslationally modified. Deleted in split hand/split foot 1 (Dss1-Sem1 in budding yeast) is a highly multifunctional IDP associated with a range of protein complexes. However, it remains unknown if the different functions relate to different modified states.
View Article and Find Full Text PDFAm J Med Genet C Semin Med Genet
June 2021
Department of Art and Art History, University of Alabama, Birmingham, Alabama, USA.
A marginal illustration of a non-ambulatory child in the 14th Century Luttrell Psalter is the earliest currently identifiable image of an individual with Split Hand Split Foot with Long Bone Deficiency (SHFLD). Changes in portrayal of SHFLD over the centuries reflect changes in social perception of disabilities from pious sympathy to scientific curiosity and unfortunately also morbid fascination. Hopefully understanding of the past attitudes toward split hand and foot as reflected in art can help in moving toward acceptance of individuals with this highly visible malformation.
View Article and Find Full Text PDFMedicine (Baltimore)
October 2020
Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
Rationale: Split-hand/split-foot malformation (SHFM), also known as ectrodactyly, is a congenital limb malformation affecting the central rays of the autopod extending to syndactyly, median clefts of the hands and feet, aplasia/hypoplasia of phalanges, metacarpals and metatarsals. Duplication of this 10q24 region is associated with SHFM3. While the clinical and genetic heterogeneity of SHFM makes the prenatal diagnosis and genetic counseling more challenging and difficult.
View Article and Find Full Text PDFGenet Test Mol Biomarkers
September 2020
Department of Biochemistry, Abdul Wali Khan University, Mardan, Pakistan.
Split-hand/split-foot malformation (SHFM) is a developmental and congenital limb malformation characterized by variable degrees of medial clefting or absence of one or more digits in hands and/or feet. The aim of this study was to identify the underlying cause of three consanguineous Pakistani families showing various types of SHFM-related features. Standard molecular methods, including whole-genome sequencing (WGS), whole-exome sequencing (WES), microsatellite markers-based genotyping, and Sanger sequencing were performed to search for the likely causative variants.
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