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Lysozyme OKDB#: 4172
 Symbols: LYZ Species: human
 Synonyms: LZM, lysozyme,  Locus: 12q15 in Homo sapiens


For retrieval of Nucleotide and Amino Acid sequences please go to: OMIM Entrez Gene
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General Comment NCBI Summary: This gene encodes human lysozyme, whose natural substrate is the bacterial cell wall peptidoglycan (cleaving the beta[1-4]glycosidic linkages between N-acetylmuramic acid and N-acetylglucosamine). Lysozyme is one of the anti-microbial agents found in human milk, and is also present in spleen, lung, kidney, white blood cells, plasma, saliva, and tears. Missense mutations in LYZ have been identified in heritable renal amyloidosis. [provided by RefSeq]
General function Extracellular binding protein
Comment
Cellular localization Secreted
Comment
Ovarian function
Comment
Expression regulated by
Comment
Ovarian localization
Comment A proteomic analysis of IVF follicular fluid in women Estes SJ et al. OBJECTIVE: To address the lack of predictors of IVF success by using proteomic biometrics. DESIGN: Experimental study of follicular fluid specimens from a prospective cohort of IVF patients. SETTING: Academic research laboratory and IVF program. PATIENT(S): Women or=11 oocytes and live birth (10 pairs). Year of cycle start and IVF down-regulation protocol were also matched. INTERVENTION(S): Follicular fluid was separated by two-dimensional polyacrylamide gel electrophoresis followed by Sypro Ruby staining and comparison with PDQuest software. Logistic regression was incorporated to calculate the likelihood of live birth in relation to the protein spot of interest. MAIN OUTCOME MEASURE(S): Protein markers. RESULT(S): Liquid chromatography-tandem mass spectrometry and searching of sequence databases revealed 11 potential protein candidates. Haptoglobin alpha, predominantly fetal expressed T1 domain, mitochondrial integrity genome (ATPase), apolipoprotein H (beta-2 glycoprotein I), dihydrolipoyl dehydrogenase, lyzozyme C, fibrinogen alpha-chain, and immunoglobulin heavy chain V-III (region BRO) were found to have increased expression in the live birth group, whereas antithrombin, vitamin D-binding protein, and complement 3 were decreased. An ELISA confirmed a significantly lower level of antithrombin. CONCLUSION(S): Proteomic evaluation of follicular fluid is able to identify potential biomarkers of good versus poor responders in matched pairs of IVF patients.
Follicle stages
Comment
Phenotypes
Mutations 0 mutations
Genomic Region show genomic region
Phenotypes and GWAS show phenotypes and GWAS
Links
OMIM (Online Mendelian Inheritance in Man: an excellent source of general gene description and genetic information.)
OMIM \ Animal Model
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created: Jan. 22, 2010, 1:49 p.m. by: hsueh   email:
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last update: Jan. 22, 2010, 1:50 p.m. by: hsueh    email:



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