IndraLab
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"Nrf2 activation, to help support a healthy inflammatory response, was begun with turmeric (Curcuplex CR, Xymogen), one twice a day, and sulforaphane glucosinolate 100 mg PO BID (Oncoplex ES, Xymogen); low-dose melatonin, ½ tablet of a 3 mg dose (Xymogen, melatonin CR) was used at bedtime to block NLRP3 inflammasomes, a third inflammatory pathway."
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"When human nucleus pulposus (NP) cells from IVDD patients are subjected to IL-1β, NLRP3 inflammasome is activated, while melatonin co-treatment prevents this activation and downregulates NLRP3 inflammasome components via suppression of NF-κB activity and mitochondrial ROS production [144]."
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"Pretreatment with 50 nM of melatonin for 24 hours before treatment of hydrogen peroxide significantly upregulated the expression of nuclear factor-erythroid 2-related factor 2 (Nrf2) transcription factor and downregulated the pyroptosis-related protein NLRP3, cleaved casp-1, and cleaved IL-1β."
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"Further studies await to elucidate it.Based on the above experimental data, we conclude that MT inhibits the activation of NLRP3 inflammasomes to reduce corneal transplant rejection, and that this effect is related to macrophage suppression, T cell regulation, and the reduction in corneal lymphangiogenesis."
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"In summary, the results of the experiment indicate that melatonin treatment can reduce the synthesis and release of inflammatory cytokines in BMDMs, inhibit the activation of the NF-κB signaling pathway, and interfere with mitochondrial metabolism, thereby reducing the inflammatory and antibacterial responses.4.3
Melatonin treatment suppresses excessive activation of NLRP3 inflammasome through upregulation of telomerase expression."
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"Moreover, melatonin suppresses NLRP3 inflammasome activation induced by cigarette smoking and attenuates pulmonary inflammation [XREF_BIBR], not only via reduction of NF-kappaB p65 and tumor necrosis factor-alpha (TNF-alpha) expression, but also via increase in anti-inflammatory cytokines such as IL-10 or IL-6, which can also have anti-inflammatory effects [XREF_BIBR, XREF_BIBR]."
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"Melatonin suppresses NLRP3 inflammasomes, proinflammatory cytokine activation and facilitates switching of highly inflammatory M1 macrophages to anti-inflammatory M2 macrophages ([XREF_BIBR, XREF_BIBR], [XREF_BIBR] In numerous animal viral diseases it has been shown to greatly enhance survival."
| PMC
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"In the LPS-induced mouse Depressive-like behavior (DLB) model, Melatonin pretreatment inhibited Keap-1-mediated Nrf2 proteasomal degradation, suppressed NLRP3 inflammasomes activation, downregulated GSDMD cleavage, and ultimately protected N9 microglia from pyroptosis (Arioz et al., 2019)."
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"The key roles of active caspase 1 involve the cleavage of IL-1β, IL-18 and N-GSDMD to induce pyroptotic cell death and excessive levels of cytokines.In conclusion, our research revealed that melatonin could prevent Aβ-induced inflammasome signaling by inhibiting NLRP3, ASC and caspase 1 to induce excessive cytokine release and pyroptosis by decreasing N-GSDMD levels (Fig. 8)."
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"Furthermore, study found that Polyphyllin VI (PPVI) promotes pyroptosis by activating the ROS/NFκB/NLRP3/caspase 1/GSDMD signal axis, which also suppressed the proliferation of NSCLC.As a common antioxidant, xuebin wang et al. found that melatonin could attenuate cigarette smoke (CS)-induced endothelial cell (EC) pyroptosis by inhibiting ROS/NLRP3 axis."
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"Emerging evidence has shown that melatonin exerts a protective effect against SIMI via different pathways.93 Garcia et al revealed for the first time that melatonin inhibits the NF-kB/NLRP3 pathway through the retinoid-related orphan receptor (ROR)-α to recover normal mitochondrial function and cellular redox status against SIMI.43 Melatonin reduces NF-κB-mediated proinflammatory responses and boosts mitochondrial homeostasis and redox balance, inhibiting NLRP3 inflammasome activation."
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"Although not investigated in pancreatic β-cells, melatonin suppresses the NLRP3 inflammasome in different cell types across the body [179], indicating another aspect to melatonin’s potential utility in T1DM treatment, as well as from locally produced pancreatic melatonin.Stem cell development now allows for the priming of stem cells to have the contents of their exosome/vesicles shaped to provide targeted treatments (such as miRNAs and 14-3-3 proteins) to particular cells."
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"Furthermore, melatonin was found to suppress the NLRP3/IL-1β axis and reduce eNOS proteolysis, resulting in improved endothelium-dependent vasorelaxation.78The LPS can directly cause endothelial cells (ECs) injury, disrupting the cytoskeletal proteins, intercellular connections, and adhesion of ECs, which leads to the increased vascular permeability and fluid extravasation into the extravascular tissue, resulting in edema."
eidos
"Our study aimed to further demonstrate that MT inhibits NLRP3 in a corneal transplantation model , thereby affecting the migration of both innate and adaptive immune cells to the corneal and cervical lymph nodes , as well as the secretion of inflammatory factors and chemokines , thereby modulating the immune response to promote rejection after transplantation ."
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"In more detail, melatonin administration decreased NLR family pyrin domain containing 3 (NLRP3), p20, and IL-1β levels by inhibiting nuclear factor kappa B (NF-κB) signaling and downregulating mtROS production in human NP cells treated with IL-1β and a rat needle puncture IDD model."
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"In a lipopolysaccharide (LPS)‐induced acute lung injury (ALI) mouse model, intratracheal administration of 30 mg/kg body weight melatonin 3 days before ALI induction improved histological changes in the lung caused by LPS stimulus, as well as lung density and aerated lung volume, and decreased the infiltration of macrophages and neutrophils and IL‐1β and caspase‐1 levels by inhibiting NLRP3 activation."
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"53
A study by Ma and colleagues
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found that melatonin could scavenge ROS and attenuate the activation of NLRP3 (nucleotide‐binding domain and leucine‐rich repeat pyrin domain containing 3) inflammatory vesicles through the Sirt3/FOXO3a/Parkin mitophagy pathway in macrophages, which in turn significantly attenuated the size and vulnerability of AS plaques for the purpose of treating AS."
eidos
"It was concluded that melatonin can inhibit NLRP3 by regulating non-coding RNAs and has an overall anti-inflammatory effect with the inhibition of inflammatory pathways , such as NFkappaB , and the activation of mitophagy and the Nrf2 / NFE2L2 pathway , diminishing ROS generation ."
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"We made the following observations : (1) treatment with melatonin upregulated mitophagy associated proteins (PINK1 and Parkin) and reduced mitochondrial damage and ROS generation after SAH; (2) administration of melatonin inhibited NLRP3 inflammasome activation after SAH and attenuated the inflammatory response; (3) melatonin treatment reduced neuronal cell death, brain edema and neurological dysfunction following SAH; and (4) pretreatment with 3-MA reversed the beneficial effect of melatonin on the inhibition of NLRP3 inflammasome activation."
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"Another 40 studies were reportedly withdrawn, without obvious reasons, but one might speculate that this was due to difficulties in recruiting patients or to the lack of results, particularly on delirium prophylaxis, Parkinson’s disease, coronary artery calcification, intensive care elderly population or “melatonin inhibition of NLRP3 inflammasome in COVID19 patients”, to name only but a few.Looking at the 56 trials currently recruiting, one can separate them into two main categories: observational and interventional."
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"While in the experimental autoimmune prostatitis (EAP) mouse model, apart from the attenuating effect of the NLRP3 inhibitor MCC950 (67), melatonin also inhibited the NLRP3 inflammasome signaling pathway by activating Sirt1, which reduced prostate inflammation and pelvic pain (68)."
sparser
"Our study aimed to further demonstrate that MT inhibits NLRP3 in a corneal transplantation model, thereby affecting the migration of both innate and adaptive immune cells to the corneal and cervical lymph nodes, as well as the secretion of inflammatory factors and chemokines, thereby modulating the immune response to promote rejection after transplantation."
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"In this part of the experiment, in order to confirm that melatonin inhibits the activation of ROS/NLRP3 inflammasome pathway in vascular endothelial cells induced by HG mainly through or at least partly through Nrf2 signaling pathway, Nrf2 expression was knocked down by siRNA interference, which was verified by RT-qPCR."
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"However, it is not clear whether MT plays a role in regulating the innate and adaptive immune responses during corneal graft rejection.Our study aimed to further demonstrate that MT inhibits NLRP3 in a corneal transplantation model, thereby affecting the migration of both innate and adaptive immune cells to the corneal and cervical lymph nodes, as well as the secretion of inflammatory factors and chemokines, thereby modulating the immune response to promote rejection after transplantation."