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Nocturnin promotes NADH and ATP production for juvenile hormone biosynthesis in adult insects.
Pest Manag Sci
January 2025
State Key Laboratory of Cotton Bio-breeding and Integrated Utilization, School of Life Sciences, Henan University, Kaifeng, China.
Background: Juvenile hormone (JH) is a key endocrine governing insect development, metamorphosis and reproduction. JH analogs have offered great potential for insect pest control. In adulthood, JH titer rapidly increases in the previtellogenic period and reaches a peak in the vitellogenic phase.
View Article and Find Full Text PDFThe Immunohistochemical Prognostic Value of Nuclear and Cytoplasmic Silent Information Regulator 1 Protein Expression in Saudi Patients with Breast Cancer.
Biomolecules
January 2025
Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia.
Background: The mammalian NAD-dependent deacetylase sirtuin-1 family (named also silent information regulator or SIRT family, where NAD stands for "nicotinamide adenine dinucleotide" (NAD)) appears to have a dual role in several human cancers by modulating cell proliferation and death. This study examines how SIRT1 protein levels correlate with clinicopathological characteristics and survival outcomes in patients with breast cancer.
Methods: A total of 407 BC formalin-fixed paraffin-embedded (FFPE) samples were collected from King Abdulaziz University Hospital, Saudi Arabia.
NADH Reductive Stress and Its Correlation with Disease Severity in Leigh Syndrome: A Pilot Study Using Patient Fibroblasts and a Mouse Model.
Biomolecules
December 2024
Division of Clinical Pharmacology, Department of Pharmacology, Jichi Medical University, Shimotsuke 329-0498, Japan.
Nicotinamide adenine dinucleotide (NAD) is a critical cofactor in mitochondrial energy production. The NADH/NAD ratio, reflecting the balance between NADH (reduced) and NADoxidized, is a key marker for the severity of mitochondrial diseases. We recently developed a streamlined LC-MS/MS method for the precise measurement of NADH and NAD.
View Article and Find Full Text PDFNicotinamide Mononucleotide Restores NAD Levels to Alleviate LPS-Induced Inflammation via the TLR4/NF-κB/MAPK Signaling Pathway in Mice Granulosa Cells.
Antioxidants (Basel)
December 2024
Hubei Hongshan Laboratory, Wuhan 430070, China.
Inflammation disrupts the normal function of granulosa cells (GCs), which leads to ovarian dysfunction and fertility decline. Inflammatory conditions such as polycystic ovary syndrome (PCOS), primary ovarian insufficiency (POI), endometriosis, and age-related ovarian decline are often associated with chronic low-grade inflammation. Nicotinamide mononucleotide (NMN) is an important precursor of NAD and has gained attention for its potential to modulate cellular metabolism, redox homeostasis, and mitigate inflammation.
View Article and Find Full Text PDFβ-Nicotinamide Mononucleotide Reduces Oxidative Stress and Improves Steroidogenesis in Granulosa Cells Associated with Sheep Prolificacy via Activating AMPK Pathway.
Antioxidants (Basel)
December 2024
Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China.
Oxidative stress is a significant factor in the death of granulosa cells (GCs), leading to follicular atresia and consequently limiting the number of dominant follicles that can mature and ovulate within each follicular wave. Follicular fluid contains a diverse array of metabolites that play crucial roles in regulating GCs' proliferation and oocyte maturation, which are essential for follicle development and female fertility. However, the mechanisms behind metabolite heterogeneity and its effects on GCs' function remain poorly understood.
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