Results 51 to 60 of about 214,320 (304)

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

C1 Inhibitor Deficiency and Angioedema of the Small Intestine Masquerading as Crohn’s Disease

open access: yesCanadian Journal of Gastroenterology, 2000
A case of C1 inhibitor deficiency presenting as localized edema of the small intestine is described. A 16-year-old, previously healthy woman presented with recurrent attacks of abdominal pain and vomiting following minor abdominal trauma.
Kelly W Burak, Gary R May
doaj   +1 more source

Proteolytic Cleavage of Various Human Serum Proteinase Inhibitors by Candida albicans Aspartic Proteinase [PDF]

open access: yes, 2008
The secreted Candida albicans aspartic proteinase (SAP) is presumed to be one of the putative Candida virulence factors, while serum proteinase inhibitors depend on host defense mechanisms.
Mine Hiroko, Tsushima Hirofumi
core   +1 more source

Genomic, Pathway Network, and Immunologic Features Distinguishing Squamous Carcinomas [PDF]

open access: yes, 2018
This integrated, multiplatform PanCancer Atlas study co-mapped and identified distinguishing molecular features of squamous cell carcinomas (SCCs) from five sites associated with ...
Abdel-Rahman, Mohamed H.   +784 more
core   +2 more sources

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

open access: yesFEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel   +13 more
wiley   +1 more source

A novel assay to diagnose hereditary angioedema utilizing inhibition of bradykinin-forming enzymes. [PDF]

open access: yes, 2015
BACKGROUND: Hereditary angioedema types I and II are caused by a functional deficiency of C1 inhibitor (C1-INH), leading to overproduction of bradykinin. The current functional diagnostic assays employ inhibition of activated C1s; however, an alternative,
Agostoni   +14 more
core   +1 more source

Expression of platelet C1 inhibitor [PDF]

open access: yesBlood, 1993
Abstract Human platelets contain a pool of C1 inhibitor (C1 INH) distinct from that in plasma. Twelve normal platelet samples washed by centrifugation had a mean platelet C1 INH antigen level of 19.3 +/- 2.8 ng (mean +/- SEM) per 10(8) platelets. These values contrast with the mean +/- SEM platelet C1 INH antigen level of 6.1 +/- 0.9 per
A H, Schmaier   +4 more
openaire   +3 more sources

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

C1-inhibitor protects against brain ischemia–reperfusion injury via inhibition of cell recruitment and inflammation

open access: yesNeurobiology of Disease, 2005
Previous studies demonstrated that C1-inhibitor (C1-INH), a complement and contact-kinin systems inhibitor, is neuroprotective in cerebral ischemia.
Claudio Storini   +7 more
doaj   +1 more source

Tendinosis develops from age- and oxygen tension-dependent modulation of Rac1 activity. [PDF]

open access: yes, 2019
Age-related tendon degeneration (tendinosis) is characterized by a phenotypic change in which tenocytes display characteristics of fibrochondrocytes and mineralized fibrochondrocytes.
Edwards, Richard W.   +7 more
core   +2 more sources

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