Entera Announces First Quarter 2026 Financial Results and Updates Across its Oral Peptide Programs – GlobeNewswire
Entera Announces First Quarter 2026 Financial Results and Updates Across its Oral Peptide Programs GlobeNewswire
The truth about peptides that social media won’t tell you – Scientific American
The truth about peptides that social media won’t tell you Scientific American
The truth about peptides that social media won’t tell you – Scientific American Read Post »
Extracellular matrix-derived matrikines as emerging modulators of neuroinflammation and central nervous system signaling.
This review identifies matrikines—bioactive peptide fragments derived from extracellular matrix proteins—as a distinct class of neuroimmune modulators with therapeutic potential in neuroinflammation and neurodegeneration. GHK, a collagen-derived matrikine, is highlighted as a CNS-relevant compound that modulates microglial and astrocytic function, enhances neuronal survival, and may cross a compromised blood-brain barrier. The authors emphasize that matrikines represent an emerging therapeutic avenue complementary to classical immune mediators, but call for urgent human tissue studies to establish translational relevance and clinical utility.
Nicotinamide mononucleotide (NMN) improves the ovarian microenvironment associated with oocyte quality by increasing estrogen signaling, reprogramming ovarian metabolism, reducing oxidative stress, and inhibiting apoptosis in the spotted scat (Scatophagus argus).
This animal study in spotted scat fish demonstrated that NMN injections significantly improved ovarian function by increasing NAD+ levels and estrogen production. The treatment enhanced glucose and lipid metabolism, reduced oxidative stress, and improved mitochondrial function in ovarian tissue. Key findings included upregulation of steroidogenesis genes, increased antioxidant capacity, and reduced cellular death pathways, all contributing to better oocyte quality and reproductive health.
Nicotinamide Ameliorates Deoxynivalenol-Induced Injury in Renal Cells via Inhibiting PARP1 Hyperactivation and Restoring NAD+ Homeostasis.
This in vitro study demonstrates that the mycotoxin deoxynivalenol (DON) causes severe renal cell damage primarily through PARP1 hyperactivation and consequent NAD+ depletion, rather than through NAMPT inhibition as previously thought. Nicotinamide (NAM) successfully rescued cells by suppressing PARP1 activity and restoring NAD+ pools, while NMN supplementation alone did not protect against DON toxicity. The findings suggest that NAD+ restoration strategies targeting PARP1 inhibition may offer therapeutic value for mycotoxin exposure, relevant to practitioners considering NAD+-supporting interventions for clients with food safety concerns or oxidative stress conditions.
BPC-157 as an Investigational Peptide Therapeutic: Biopharmaceutical Challenges, Formulation Strategies, and Translational Development Barriers.
This peer-reviewed analysis critically examines BPC-157’s development barriers as a pharmaceutical candidate, identifying significant unresolved challenges: no approved formulation exists, dosing regimens lack validation, and no Phase II trials have been completed despite 30+ years of preclinical research. The paper systematically addresses biopharmaceutical obstacles including physicochemical properties, pharmacokinetic-pharmacodynamic disconnects, formulation hurdles across administration routes, and regulatory/translational barriers. For practitioners and supplement brands, this represents authoritative documentation of why BPC-157 remains investigational and the specific scientific gaps between preclinical promise and clinical reality.
Targeting the Gut-Brain Axis: Protective Effects of NMN in Alleviating D-Galactose-Induced Cognitive Deficits.
This peer-reviewed study demonstrates that NMN, an NAD+ precursor, protects against age-related cognitive decline in mice by reducing oxidative stress, suppressing neuroinflammation, and modulating gut microbiota composition toward butyrate-producing bacteria. The mechanism involves activation of the Nrf2/HO-1 antioxidant pathway and increased antioxidant enzyme activity in the hippocampus. These findings support NMN as a therapeutic strategy for age-related neurodegeneration via gut-brain axis modulation at doses of 300-500 mg/kg.
Middle-aged mice treated with GHK-Cu peptide administered intraperitoneally or intranasally show behavioral rescue but divergent hippocampal aging programs.
This peer-reviewed study demonstrates that intranasal GHK-Cu administration produces sustained cognitive improvements in aged mice across both sexes, while intraperitoneal dosing shows inconsistent results. The intranasal route suppressed oxidative phosphorylation and MYC pathways—key aging mechanisms—while reducing glial activation markers (GFAP) and increasing synaptic density (synaptophysin), suggesting direct brain engagement. The findings establish delivery route as critical to GHK-Cu efficacy and provide mechanistic validation for intranasal dosing as a gerotherapeutic approach to age-related cognitive decline.
BPC-157 and Its Novel Hybrid Analogs as Inhibitors of Acetylcholinesterase.
Researchers evaluated BPC-157 and two newly designed hybrid peptide analogs (CIARA-1 and CIARA-2) as competitive inhibitors of acetylcholinesterase, an enzyme target in Alzheimer’s disease management. All three compounds showed reversible competitive inhibition, with the hybrid analogs demonstrating superior potency compared to native BPC-157. While the peptides are significantly less potent than approved AChE inhibitors, the study validates BPC-157 as a viable scaffold for developing multifunctional neurodegenerative therapeutics through rational structural modification.
BPC-157 and Its Novel Hybrid Analogs as Inhibitors of Acetylcholinesterase. Read Post »
Cuproptosis causes meiotic metaphase I arrest by disrupting mitochondrial functions in oocytes.
This research demonstrates that copper-induced cell death (cuproptosis) impairs female oocyte maturation by disrupting mitochondrial function and energy production. The study found that NMN supplementation—a NAD+ precursor—effectively restores mitochondrial function and partially rescues meiotic arrest in oocytes exposed to copper stress. The findings position NAD+ metabolism as a therapeutic target for protecting egg quality and female fertility, with direct clinical implications for practitioners working with reproductive health.
Effects of Dietary Copper Deficiency on Colonic Barrier Integrity, Inflammatory Markers, and Gut Microbiota Composition in Mice.
This mouse study demonstrates that dietary copper deficiency damages colonic barrier integrity, reduces protective mucin-producing goblet cells, increases pro-inflammatory cytokines, and causes dysbiosis with reduced beneficial bacteria. The researchers used intraperitoneal copper sulfate as a rescue intervention (results cut off). The findings establish copper as critical for gut health and suggest copper-peptide compounds like GHK-Cu could address both the nutritional and barrier-healing aspects of copper deficiency-related gut dysfunction.
NAMPT orchestrates fibroblast cuproptosis and immune crosstalk during IPF progression.
This research identifies cuproptosis—a copper-dependent cell death pathway—as a novel mechanism that could regulate fibroblast survival and reduce excessive collagen deposition in idiopathic pulmonary fibrosis (IPF). The study positions NAMPT as a key orchestrator of this process, suggesting that modulating copper-dependent cell death in fibroblasts may offer a therapeutic approach to IPF where current treatments have limited efficacy. GHK-Cu, a copper-peptide complex, directly aligns with cuproptosis biology and may warrant investigation as a potential therapeutic agent in fibrotic disease management.
NAMPT orchestrates fibroblast cuproptosis and immune crosstalk during IPF progression. Read Post »