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X-linked ichthyosis (abbreviated XLI) is a skin condition caused by the hereditary deficiency of the steroid sulfatase (STS) enzyme that affects 1 in 2000 to 1 in 6000 males. [2] XLI manifests with dry, scaly skin [3] and is due to deletions [4] [5] or mutations [6] in the STS gene.
A congenital deficiency in the enzyme is associated with X-linked ichthyosis, a scaly-skin disease affecting roughly 1 in every 2,000 to 6,000 males. [7] [8] The excessive skin scaling and hyperkeratosis is caused by a lack of breakdown and thus accumulation of cholesterol sulfate, a steroid that stabilizes cell membranes and adds cohesion, in the outer layers of the skin.
Multiple sulfatase deficiency (MSD), also known as Austin disease, [1] or mucosulfatidosis, [1] is a very rare autosomal recessive [2] lysosomal storage disease [3] caused by a deficiency in multiple sulfatase enzymes, or in formylglycine-generating enzyme, which activates sulfatases. [4]: 502 [5] It is similar to mucopolysaccharidosis. [6]
Estradiol sulfamate (E2MATE; developmental code names J995, PGL-2, PGL-2001, ZK-190628, others), or estradiol-3-O-sulfamate, is a steroid sulfatase (STS) inhibitor which is under development for the treatment of endometriosis.
Sulfatases are found in lower and higher organisms. In higher organisms they are found in intracellular and extracellular spaces. Steroid sulfatase is distributed in a wide range of tissues throughout the body, enabling sulfated steroids synthesized in the adrenals and gonads to be desulfated following distribution through the circulation system.
Glucuronosyltransferase – steroid metabolism [6] Glucuronidase (β-glucuronidase) – steroid synthesis [7] Steroid sulfotransferase (SULT1A1, 1E1, 2A1, 2B1a, 2B1b) – steroid metabolism, neurosteroid synthesis [8] Steroid sulfatase – steroid synthesis, neurosteroid metabolism [8] Others Aromatase (estrogen synthetase) – estrogen synthesis
The results of the new treatment have since been reported in the Lancet medical journal, showing the dramatic and “life-changing improvements” to vision from the gene therapy for all four ...
Irosustat (INN Tooltip International Nonproprietary Name, USAN Tooltip United States Adopted Name; developmental code names STX-64, 667-coumate, BN-83495; also known as oristusane) is an orally active, irreversible, nonsteroidal inhibitor of steroid sulfatase (STS) and member of the aryl sulfamate ester class of drugs [2] that was under development by Sterix Ltd and Ipsen for the treatment of ...