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Developing a highly efficient 4-hydroxyphenylacetate-3-hydroxylase for salvianic acid A synthesis by computer-aided molecular modification.
Int J Biol Macromol
January 2025
Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China; School of Biological and Chemical Engineering, NingboTech University, Ningbo 315100, China; Jinhua Advanced Research Institute, Jinhua 321019, China. Electronic address:
Salvianic acid A (SAA) is a catechol compound known for its diverse physiochemical functions and has significant applications in the food and pharmaceutical industries. 4-Hydroxyphenylacetate-3-hydroxylase (4HPA3H) is a critical enzyme for SAA biosynthesis, and improving its activity towards p-hydroxyphenyllactate acid (4HPLA) is essential for highly efficient SAA production in stable biosynthetic pathways. To address this, the distal site and loops of the substrate pocket were modified to improve 4HPA3H catalytic activity towards 4HPLA using computer-aided molecular modification methods.
View Article and Find Full Text PDFTargeted delivery of curcumin and CM11 peptide against hepatocellular carcinoma cells based on binding affinity of PreS1-coated chitosan nanoparticles to SB3 protein.
Amino Acids
January 2025
Tissue Engineering and Regenerative Medicine Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
In recent years, the use of cationic peptides as alternative drugs with anticancer activity has received attention. In this study, the targeted release of curcumin (Cur) and CM11 peptide alone and together against hepatocellular carcinoma (HCC) was evaluated using chitosan nanoparticles (CS NPs) coated with Pres1 that target the SB3 antigen of HCC cells (PreS1-Cur-CM11-CS NPs). SB3 protein is the specific antigen of HCC and the PreS1 peptide is a part of the hepatitis B antigen, which can specifically bind to the SB3 protein.
View Article and Find Full Text PDFPlant Compounds Inhibit the Growth of W12 Cervical Precancer Cells Containing Episomal or Integrant HPV DNA; Tanshinone IIA Synergizes with Curcumin in Cervical Cancer Cells.
Viruses
December 2024
Department of Rehabilitation and Regenerative Medicine, College of Physicians and Surgeons, Columbia University, HHSC-1518, 701 W. 168th Street, New York, NY 10032, USA.
This study explores the effects of plant compounds on human papillomavirus (HPV)-induced W12 cervical precancer cells and bioelectric signaling. The aim is to identify effective phytochemicals, both individually and in combination, that can prevent and treat HPV infection and HPV associated cervical cancer. Phytochemicals were tested using growth inhibition, combination, gene expression, RT PCR, and molecular docking assays.
View Article and Find Full Text PDFCurcumin and Vitamin D Supplement Attenuates Knee Osteoarthritis Progression in ACLT + MMx Rat Model: Effect on Cartilage Protection and Pain Reduction.
Nutrients
January 2025
Department of Anesthesiology, Cathay General Hospital, Taipei 280, Taiwan.
Knee osteoarthritis (OA) is a common and debilitating disorder marked by joint degradation, inflammation, and persistent pain. This study examined the possible therapeutic effects of curcumin and vitamin D on OA progression and pain in a rat knee OA model by anterior cruciate ligament transection and meniscectomy (ACLT + MMx). Male Wistar rats were categorized into five groups: control, curcumin-treated (100 mg/kg/day), vitamin D-treated (25 µg/kg/day), a combination of vitamin D and curcumin, and sham-operated.
View Article and Find Full Text PDFPolyphenolic Hispolon Derived from Medicinal Mushrooms of the and Genera Promotes Wound Healing in Hyperglycemia-Induced Impairments.
Nutrients
January 2025
Department of Pharmacy and Master Program, Collage of Pharmacy and Health Care, Tajen University, Yanpu Township 90741, Taiwan.
: This study investigated the wound-healing potential of hispolon, a polyphenolic pigment derived from medicinal mushrooms, under diabetic conditions using both in vitro and in vivo models. : In the in vitro assays, L929 fibroblast cells exposed to high glucose (33 mmol/L) were treated with hispolon at concentrations of 2.5, 5, 7.
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