Results 91 to 100 of about 5,311,244 (314)

Calpain small subunit homodimerization is robust and calcium‐independent

open access: yesFEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy   +4 more
wiley   +1 more source

Digital signature schemes based on Lucas functions

open access: yes, 1995
In 1993 Lennon and Smith proposed to use Lucas functions instead of the exponentiation function as a one-way function in cryptographic mechanisms. Recently Smith and Skinner presented an ElGamal signature scheme based on Lucas functions.
Lucas Functions   +3 more
core  

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

Cyclovirobuxine D ameliorates cardiomyocyte senescence in diabetic cardiomyopathy mice by enhancing mitochondrial function via sirtuin 3–ATP5O signal axis

open access: yesChinese Medicine
Background Diabetic cardiomyopathy (DCM) is a cardiovascular complication, with cardiomyocyte senescence being a key pathological process. Cyclovirobuxine D (CVB-D), the active compound in Buxus sinica (Rehd. et Wils.) var. parvifolia M. Cheng. CVB-D has
Jiang-fei An   +13 more
doaj   +1 more source

Design and Synthesis of Flavonoidal Ethers and Their Anti-Cancer Activity In Vitro

open access: yesMolecules, 2019
Flavonoids are well-characterized polyphenolic compounds with pharmacological and therapeutic activities. However, most flavonoids have not been developed into clinical drugs, due to poor bioavailability.
Lu Jin   +7 more
doaj   +1 more source

The Coefficients Of Functions With Positive Real Part And Some Special Classes Of Univalent Functions. [PDF]

open access: yes, 2003
Several special classes of univalent functions f in the unit disk U are characterized by the quantity zf'(z)/ f (z) lies in a given region in the right-half plane.
M. Ali, Rosihan
core  

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

open access: yesFEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura   +2 more
wiley   +1 more source

Selective ERK1/2 agonists isolated from Melia azedarach with potent anti-leukemic activity

open access: yesBMC Cancer, 2019
Background MAPK/ERK kinases transmit signals from many growth factors/kinase receptors during normal cell growth/differentiation, and their dysregulation is a hallmark of diverse types of cancers.
Ning Wang   +11 more
doaj   +1 more source

Functionals on continuous functions [PDF]

open access: yesPacific Journal of Mathematics, 1974
Baxter, J. R., Chacon, R. V.
openaire   +2 more sources

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