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Current and Novel Therapeutical Approaches of Classical Homocystinuria in Childhood With Special Focus on Enzyme Replacement Therapy, Liver-Directed Therapy and Gene Therapy
J Clin Med Res. 2023 Feb;15(2):76-83. doi: 10.14740/jocmr4843. Epub 2023 Feb 28.ABSTRACTClassical homocystinuria is a hereditary defect of the enzyme cystathionine beta synthase, which is produced in the liver. If this enzyme fails, the synthesis pathway of cysteine from methionine is interrupted, leading to the accumulation of homocysteine in the blood plasma and homocysteine in the urine. After birth, the children are unremarkable except for the characteristic laboratory findings. Symptoms rarely appear before the second year of life. The most common symptom is a prolapse of the crystalline lens. This finding is seen in ...
Source: Clin Med Res - March 10, 2023 Category: Research Authors: Stefan Bittmann Gloria Villalon Elena Moschuring-Alieva Elisabeth Luchter Lara Bittmann Source Type: research

Efficacy Evaluation of Liver-Directed Gene Therapy in Fabry Mice
Conclusions: Collectively, these data provide strong evidence that our liver-directed AAV-mediated gene therapy approach holds considerable therapeutic potential for the treatment of Fabry disease. We anticipate that a single dose IV procedure will pose minimal burden to Fabry patients and will be a viable alternative to biweekly enzyme infusions, potentially reducing treatment-related morbidity whislt improving patient quality of life and potentially providing them with a functional long-term cure.DisclosuresKia: Freeline: Employment, Equity Ownership. McIntosh: Freeline: Consultancy. Hosseini: Freeline: Employment, Equit...
Source: Blood - November 21, 2018 Category: Hematology Authors: Kia, A., McIntosh, J., Rosales, C., Hosseini, P., Sheridan, R., Spiewak, J., Mills, K., Corbau, R., Nathwani, A. C. Tags: 801. Gene Therapy and Transfer: Poster I Source Type: research

ADAMTS13 and von Willebrand Factor in Thrombotic Thrombocytopenic Purpura.
Abstract Pathogenesis of thrombotic thrombocytopenic purpura (TTP) was a mystery for over half a century until the discovery of ADAMTS13. ADAMTS13 is primarily synthesized in the liver, and its main function is to cleave von Willebrand factor (VWF) anchored on the endothelial surface, in circulation, and at the sites of vascular injury. Deficiency of plasma ADAMTS13 activity (<10%) resulting from mutations of the ADAMTS13 gene or autoantibodies against ADAMTS13 causes hereditary or acquired (idiopathic) TTP. ADAMTS13 activity is usually normal or modestly reduced (>20%) in other forms of thrombotic microangi...
Source: Annual Review of Medicine - January 14, 2015 Category: Journals (General) Authors: Zheng XL Tags: Annu Rev Med Source Type: research

Stem Cells for Cell-Based Therapies
The world of stem cells We know the human body comprises many cell types (e.g., blood cells, skin cells, cervical cells), but we often forget to appreciate that all of these different cell types arose from a single cell—the fertilized egg. A host of sequential, awe-inspiring events occur between the fertilization of an egg and the formation of a new individual: Embryonic stem (ES) cells are also called totipotent cells. The first steps involve making more cells by simple cell division: one cell becomes two cells; two cells become four cells, etc. Each cell of early development is undifferentiated; that is, it is...
Source: ActionBioscience - December 28, 2012 Category: Science Authors: Ali Hochberg Source Type: news