Panoramic variation analysis of a family with neurodevelopmental disorders caused by biallelic loss-of-function variants in TMEM141, DDHD2, and LHFPL5.

Highly clinical and genetic heterogeneity of neurodevelopmental disorders presents a major challenge in clinical genetics and medicine. Panoramic variation analysis is imperative to analyze the disease phenotypes resulting from multilocus genomic variation. Here, a Pakistani family with parental consanguinity was presented, characterized with severe intellectual disability (ID), spastic paraplegia, and deafness.

Novel variants in LAMA3 and COL7A1 and recurrent variant in KRT5 underlying epidermolysis bullosa in five Chinese families.

Epidermolysis bullosa (EB) is a group of clinically and genetically heterogeneous diseases characterized by trauma-induced mucocutaneous fragility and blister formation. Here, we investigated five Chinese families with EB, and eight variants including a novel nonsense variant (c.47G>A, p.

An unusual case of tertiary syphilis.

We report a rare case of tertiary syphilis in a middle aged man who presented with a 6-month history of ulceration of his left eye with extreme pain. Physical examination revealed fistulas, granuloma with ulcer, and corneal opacity with granulomatous conjunctivitis in the left eye. Based on the patient's clinical manifestations and auxiliary examination results, neurosyphilis was diagnosed.

Identification and Splicing Characterization of Novel and Variants Associated With Epidermodysplasia Verruciformis in Three Chinese Families.

: Epidermodysplasia verruciformis (EV) is a rare genodermatosis characterized by abnormal susceptibility to human beta papillomavirus infections and a particular propensity to develop non-melanoma skin cancers (NMSCs). The majority of EV cases are caused by biallelic null variants in , , and . This study aimed to identify disease-causing variants in three Chinese families with EV and to elucidate their molecular pathogenesis.

Two novel SASH1 mutations in Chinese families with dyschromatosis universalis hereditaria.

Background: Dyschromatosis universalis hereditaria (DUH) is a rare genodermatosis characterized by hyper- and hypo-pigmented macules on the face, trunk, and extremities. The condition causes severe cosmetic problem which can lead to significant psychological distress to the patients and bear a negative impact on society. DUH is a condition with genetic heterogeneity.

Phenotypic Characterization of Intellectual Disability Caused by Mutation in Two Consanguineous Pakistani Families.

A homozygous in-frame deletion (c. 758_778del; p. Glu253_Ala259del) in membrane-bound O-acyltransferase family member 7 (, also known as lysophosphatidylinositol acyltransferase (LPIAT1), was previously reported to be the genetic cause of intellectual disability (ID) in consanguineous families from Pakistan.

Novel Compound Heterozygous Mutations in TTI2 Cause Syndromic Intellectual Disability in a Chinese Family.

Telomere maintenance 2 (TELO2)-interacting protein 2 (TTI2) interacts with TTI1 and TELO2 to form the Triple T complex, which is required for various cellular processes, including the double-strand DNA break response, nonsense-mediated mRNA decay, and telomerase assembly. Herein, we identified compound heterozygous mutations in using whole-exome sequencing (WES) in a Chinese family with a recessive inheritance pattern of syndromic intellectual disability. The patients displayed intellectual disability, aggressive and self-injurious behaviors, facial dysmorphic features, microcephaly, and skeletal anomalies.