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Asparaginase is an enzyme that is used as a medication and in food manufacturing. [6] [7] As a medication, L-asparaginase is used to treat acute lymphoblastic leukemia (ALL) and lymphoblastic lymphoma (LBL). [6] It is given by injection into a vein, or muscle. [6] A pegylated version is also available. [8] In food manufacturing it is used to ...
Calaspargase pegol is an engineered protein consisting of the E. coli-derived enzyme L-asparaginase II conjugated with succinimidyl carbonate monomethoxypolyethylene glycol . [6] The L-asparaginase portion hydrolyzes L-asparagine to L-aspartic acid depriving the tumor cell of the L-asparagine it needs for survival. [ 6 ]
Escherichia coli derived asparagine synthetase is a dimeric protein with each subunit folding into two distinct domains. [4] The N-terminal region consists of two layers of six-stranded antiparallel β-sheets between which is the active site responsible for the hydrolysis of glutamine. [4]
66514 Ensembl ENSG00000162174 ENSMUSG00000024654 UniProt Q7L266 Q8C0M9 RefSeq (mRNA) NM_001083926 NM_025080 NM_025610 RefSeq (protein) NP_001077395 NP_079356 NP_079886 Location (UCSC) Chr 11: 62.34 – 62.39 Mb Chr 19: 9.09 – 9.11 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse L-asparaginase is an enzyme that in humans is encoded by the ASRGL1 gene. Function The ASRGL1 protein ...
Asparagine synthetase uses ATP to activate aspartate, forming β-aspartyl-AMP. Glutamine donates an ammonium group, which reacts with β-aspartyl-AMP to form asparagine and free AMP. [21] The biosynthesis of asparagine from oxaloacetate. In reaction that is the reverse of its biosynthesis, asparagine is hydrolyzed to aspartate by asparaginase ...
Pegaspargase is a modified version of the enzyme asparaginase which has undergone PEGylation. [8] [6] It works by breaking down the amino acid asparagine that are circulating in the bloodstream. [6] The circulating asparagine is essential for the cancer cells to enable growth since they can't produce their own, in contrast to normal cells. [9]
Hormonal therapy is used for several types of cancers derived from hormonally responsive tissues, including the breast, prostate, endometrium, and adrenal cortex. Hormonal therapy may also be used in the treatment of paraneoplastic syndromes or to ameliorate certain cancer- and chemotherapy-associated symptoms, such as anorexia.
In the cancer disease state, the interaction of PD-L1 on the tumor cells with PD-1 on a T-cell reduces T-cell function signals to prevent the immune system from attacking the tumor cells. [9] Use of an inhibitor that blocks the interaction of PD-L1 with the PD-1 receptor can prevent the cancer from evading the immune system in this way. [9]