Acid sphingomyelinase deficiency (ASMD) is a progressive lysosomal storage disease caused by autosomal recessive pathogenic variants in the SMPD1 gene encoding acid sphingomyelinase (ASM). In a recent study, researchers from Albert Einstein College of Medicine aimed to assess the levels of plasma lyso-sphingomyelin, a deacylated form of sphingomyelin, in patients with ASMD pre- and post-treatment with olipudase alfa (recombinant-human acid sphingomyelinase).
Shwachman-Diamond syndrome (SDS) is a rare disease of ribosome biogenesis affecting multiple systems, with predominant manifestations being exocrine pancreatic insufficiency, bone marrow failure and leukemia predisposition, among others.
The expression of zinc finger transcription factor Trps1 (TRPS1) has been recently found to be specific for tumors of the breast. In normal skin, the expression of TRPS1 is found in outer root sheath, sebocytes and matrical cells of the hair follicle, as well as the inner luminal cells of eccrine glands. Cutaneous tumors with origin in these cell types were hypothesized to express TRPS1. Because little knowledge exists about the expression of TRPS1 in nonmelanocytic tumors of the skin; researchers from The University of Texas MD Anderson Cancer Center performed immunohistochemical (IHC) analysis of TRPS1 in different types of cutaneous tumors.
Human trophoblastic cell surface antigen 2 (Trop2) is upregulated in cancers compared to normal tissues. Researchers from the University of Texas MD Anderson Cancer Center recently aimed to assess the clinical significance of Trop2 in small bowel adenocarcinoma (SBA).
Bladder small-cell carcinoma can be divided into different subtypes depending on the expression of neuroendocrine (NE) markers such as POU2F3, NEUROD1 and ASCL1. Single-cell RNA sequencing previously found a distinct subpopulation with high expression of 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-2 (PLCG2) with pro-metastatic features and poor prognosis. The aim of a newer study was to evaluate the expression of PLCG2 in bladder NE tumors and correlate it with prognostic utility.
Researchers from the University of Pittsburgh Medical Center and affiliated organizations aimed to validate a novel marker of duodenal neuroendocrine tumors (DNETs), NKK6.2.
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