Mutflash - Medizinische Argumentationen und Studiensammlungen

https://lipid-nanoparticle-development-europe.com/?utm_source=marketo&utm_medium=email&utm_campaign=primary-expanded&utm_content=other%2Fev-70818%2Fem-01%2Fmrna-europe%2Ffta-launch&mkt_tok=MzU1LURPUy00MjkAAAGkH-ry_nEV-sicDXblT7Lm3UkBj0ZES2XWTGyeEx2pNIAdZCYhjESL98aJUxqA6HZ1dAITqq9Yid96xFVq2dELwmaes9xY6vwJbLKrjRThjfPXRlWt Die "Elite"™ versammelt sich.

https://substack.com/home/post/p-214442544 (Meine Gedanken zu diesem Stack).

Spannend: https://x.com/drwojakmd/status/1924795990164504787?s=52

Google NotebookLM explainer of Maria's recent Substack article. August 19, 2026 Exosomes, Schmectasomes: The Hidden Second Life of mRNA-LNPs What the Onpattro Pharmacokinetic Data Reveals About the mRNA-LNP Platform https://mariagutschi.substack.com/p/the-exosome-problem-why-the-mrna

https://x.com/CanningPharm/status/2096978424048800107?s=20 https://pmc.ncbi.nlm.nih.gov/articles/PMC12180297/pdf/nihms-2086674.pdf

https://substack.com/home/post/p-214200784 -_- Der ganze Hay-Part war mal wieder typisch ich: Wieso hab ich Wang statt Hay geschrieben?!

LDH is decoupled from BALF-Fluid-Mixture.

S100A8 is not merely an inflammatory marker or a mediator of myeloid-cell recruitment; independent biophysical work has demonstrated that apo-S100A8 can directly interact with anionic lipid membranes and exert a detergent-like membrane-disruptive effect. In model membranes, this activity was strongly dependent on lipid composition, with pronounced membrane leakage observed in phosphatidylserine-containing bilayers, whereas zwitterionic DOPC/cholesterol membranes were comparatively resistant. This observation is potentially relevant to the present findings because it suggests that S100A8 may participate in a feed-forward mechanism in which an initial disturbance of cellular membrane homeostasis promotes inflammatory S100A8 production, while the resulting accumulation of S100A8 may in turn further perturb susceptible cellular membranes. The present study does not establish such a mechanism, and the membrane experiments were performed in a distinct experimental system; nevertheless, the convergence of these observations is notable. In particular, the authors report substantial pulmonary inflammatory recruitment and increased BALF protein and cellularity, whereas the increase in LDH is comparatively modest, indicating that the magnitude of the cellular and inflammatory response is not accompanied by proportionate evidence of overt lytic cell injury. A non-lytic or sublethal form of membrane perturbation therefore remains a plausible possibility, and S100A8 represents one candidate mediator that could contribute to such a process. This may be particularly relevant when considered from a phosphoinositide-centered perspective. Although the S100A8 study does not directly investigate phosphoinositides, it provides an important proof of principle that the physicochemical composition and anionic character of cellular membranes can determine how inflammatory proteins interact with, and potentially destabilize, those membranes. Phosphoinositides constitute a particularly dynamic and functionally consequential class of anionic membrane lipids, and perturbation of their homeostasis could therefore represent an upstream event capable of altering membrane organization, signaling, trafficking, cytoskeletal coupling, and the cellular response to subsequent inflammatory stimuli. Within such a framework, the initiating lesion would not necessarily be the inflammatory response itself, but rather an early disturbance of membrane lipid homeostasis that subsequently generates DAMP release and innate immune activation. The findings of the present study are compatible with such a model: LNP administration is associated with local muscle-cell necrosis and mitochondrial damage, including release of mtDNA, followed by systemic inflammatory signaling, pulmonary neutrophil recruitment, transcriptional induction of inflammatory pathways, and ultimately NET formation. The authors experimentally connect several of these downstream events, but they do not consider whether they could form a self-amplifying circuit initiated by a more fundamental disturbance of membrane homeostasis. Under this model, S100A8 could represent an important intermediate rather than merely a downstream marker of neutrophil recruitment. An initial perturbation of membrane lipid organization could promote cellular stress and DAMP release, thereby activating and recruiting neutrophils and inducing S100A8 expression. Increased extracellular S100A8 could then interact with anionic lipid surfaces and promote additional membrane perturbation, potentially generating further DAMP release and inflammatory signaling. Such a positive-feedback mechanism would provide a conceptual link between an initial membrane-centered disturbance and the extensive downstream inflammatory phenotype observed in the study. Importantly, this model would also provide a potential explanation for why conventional measures of overt cellular injury may not fully capture the biological magnitude of the response: membrane dysfunction, altered lipid organization, signaling abnormalities, and sublethal permeability changes could precede or occur independently of extensive membrane rupture and therefore generate relatively little LDH release. The marked increase in BALF cellularity and protein concentration despite a comparatively limited LDH response is consequently noteworthy and warrants further investigation rather than being interpreted simply as a conventional measure of tissue injury. Taken together, these observations suggest a potentially broader mechanistic framework in which membrane lipid perturbation functions as an upstream initiating event, followed by DAMP release, innate immune activation, S100A8 induction, neutrophil recruitment and NETosis, and subsequent secondary membrane perturbation. In our framework, the membrane would not merely be a passive target of inflammation but a central regulatory interface through which the initial disturbance could be amplified and propagated. The S100A8 membrane-interaction data provide an intriguing mechanistic precedent for such a feedback process, while the present study provides several of the downstream components that would be required for such a model. This remains a hypothesis rather than a demonstrated causal pathway, and direct experiments linking phosphoinositide perturbation to S100A8 induction and subsequent membrane dysfunction would be required. Nevertheless, the convergence of the transcriptional S100A8 signal, the pronounced neutrophilic response, the NETosis phenotype, and the disproportionate relationship between BALF cellularity/protein and LDH makes this possibility particularly worthy of investigation. Tamulytė R, Baronaitė I, Šulskis D, Smirnovas V, Jankunec M. Pro-inflammatory S100A8 Protein Exhibits a Detergent-like Effect on Anionic Lipid Bilayers, as Imaged by High-Speed AFM. ACS Appl Mater Interfaces. 2025 Jan 8;17(1):2635-2647. doi: 10.1021/acsami.4c18749. Epub 2024 Dec 26. PMID: 39723944; PMCID: PMC11783366.

S100A8 is not merely an inflammatory marker or a mediator of myeloid-cell recruitment; independent biophysical work has demonstrated that apo-S100A8 can directly interact with anionic lipid membranes and exert a detergent-like membrane-disruptive effect. In model membranes, this activity was strongly dependent on lipid composition, with pronounced membrane leakage observed in phosphatidylserine-containing bilayers, whereas zwitterionic DOPC/cholesterol membranes were comparatively resistant. This observation is potentially relevant to the present findings because it suggests that S100A8 may participate in a feed-forward mechanism in which an initial disturbance of cellular membrane homeostasis promotes inflammatory S100A8 production, while the resulting accumulation of S100A8 may in turn further perturb susceptible cellular membranes. The present study does not establish such a mechanism, and the membrane experiments were performed in a distinct experimental system; nevertheless, the convergence of these observations is notable. In particular, the authors report substantial pulmonary inflammatory recruitment and increased BALF protein and cellularity, whereas the increase in LDH is comparatively modest, indicating that the magnitude of the cellular and inflammatory response is not accompanied by proportionate evidence of overt lytic cell injury. A non-lytic or sublethal form of membrane perturbation therefore remains a plausible possibility, and S100A8 represents one candidate mediator that could contribute to such a process. This may be particularly relevant when considered from a phosphoinositide-centered perspective. Although the S100A8 study does not directly investigate phosphoinositides, it provides an important proof of principle that the physicochemical composition and anionic character of cellular membranes can determine how inflammatory proteins interact with, and potentially destabilize, those membranes. Phosphoinositides constitute a particularly dynamic and functionally consequential class of anionic membrane lipids, and perturbation of their homeostasis could therefore represent an upstream event capable of altering membrane organization, signaling, trafficking, cytoskeletal coupling, and the cellular response to subsequent inflammatory stimuli. Within such a framework, the initiating lesion would not necessarily be the inflammatory response itself, but rather an early disturbance of membrane lipid homeostasis that subsequently generates DAMP release and innate immune activation. The findings of the present study are compatible with such a model: LNP administration is associated with local muscle-cell necrosis and mitochondrial damage, including release of mtDNA, followed by systemic inflammatory signaling, pulmonary neutrophil recruitment, transcriptional induction of inflammatory pathways, and ultimately NET formation. The authors experimentally connect several of these downstream events, but they do not consider whether they could form a self-amplifying circuit initiated by a more fundamental disturbance of membrane homeostasis. Under this model, S100A8 could represent an important intermediate rather than merely a downstream marker of neutrophil recruitment. An initial perturbation of membrane lipid organization could promote cellular stress and DAMP release, thereby activating and recruiting neutrophils and inducing S100A8 expression. Increased extracellular S100A8 could then interact with anionic lipid surfaces and promote additional membrane perturbation, potentially generating further DAMP release and inflammatory signaling. Such a positive-feedback mechanism would provide a conceptual link between an initial membrane-centered disturbance and the extensive downstream inflammatory phenotype observed in the study. Importantly, this model would also provide a potential explanation for why conventional measures of overt cellular injury may not fully capture the biological magnitude of the response: membrane dysfunction, altered lipid organization, signaling abnormalities, and sublethal permeability changes could precede or occur independently of extensive membrane rupture and therefore generate relatively little LDH release. The marked increase in BALF cellularity and protein concentration despite a comparatively limited LDH response is consequently noteworthy and warrants further investigation rather than being interpreted simply as a conventional measure of tissue injury. Taken together, these observations suggest a potentially broader mechanistic framework in which membrane lipid perturbation functions as an upstream initiating event, followed by DAMP release, innate immune activation, S100A8 induction, neutrophil recruitment and NETosis, and subsequent secondary membrane perturbation. In our framework, the membrane would not merely be a passive target of inflammation but a central regulatory interface through which the initial disturbance could be amplified and propagated. The S100A8 membrane-interaction data provide an intriguing mechanistic precedent for such a feedback process, while the present study provides several of the downstream components that would be required for such a model. This remains a hypothesis rather than a demonstrated causal pathway, and direct experiments linking phosphoinositide perturbation to S100A8 induction and subsequent membrane dysfunction would be required. Nevertheless, the convergence of the transcriptional S100A8 signal, the pronounced neutrophilic response, the NETosis phenotype, and the disproportionate relationship between BALF cellularity/protein and LDH makes this possibility particularly worthy of investigation. Tamulytė R, Baronaitė I, Šulskis D, Smirnovas V, Jankunec M. Pro-inflammatory S100A8 Protein Exhibits a Detergent-like Effect on Anionic Lipid Bilayers, as Imaged by High-Speed AFM. ACS Appl Mater Interfaces. 2025 Jan 8;17(1):2635-2647. doi: 10.1021/acsami.4c18749. Epub 2024 Dec 26. PMID: 39723944; PMCID: PMC11783366.

One particularly intriguing aspect of the transcriptional response is the prominent regulation of S100a8, which the authors mention only briefly in the context of neutrophil chemotaxis, together with Cxcl2 and Cxcr2. This finding may deserve substantially greater mechanistic consideration.

Lipid nanoparticle used in mRNA vaccine promotes tumor metastasis in mouse model via mtDNA-induced neutrophil activation and NETosis https://www.sciencedirect.com/science/article/abs/pii/S1748013226000666

Das Bundesgesundheitsministerium reagiert auf russische Drohne

https://t.me/mspezial/21112 https://t.me/mspezial/21113 https://blogs.worldbank.org/en/opendata/first-ever-un-report-global-stillbirths-reveals-enormous-and-neglected-toll https://data.unicef.org/resources/a-neglected-tragedy-stillbirth-estimates-report/ Gissler M, Durox M, Smith L, Blondel B, Broeders L, Hindori-Mohangoo A, Kearns K, Kolarova R, Loghi M, Rodin U, Szamotulska K, Velebil P, Weber G, Zurriaga O, Zeitlin J; Euro-Peristat Research Network. Clarity and consistency in stillbirth reporting in Europe: why is it so hard to get this right? Eur J Public Health. 2022 Apr 1;32(2):200-206. doi: 10.1093/eurpub/ckac001. Erratum in: Eur J Public Health. 2022 Jun 1;32(3):512. doi: 10.1093/eurpub/ckac042. PMID: 35157046; PMCID: PMC8975542. https://www.tommys.org/about-us/news-views/call-for-reform-in-stillbirth-recording-as-study-finds-major-errors Bei der Interpretation von Statistiken zu Früh- und Totgeburten bestehen mindestens drei zentrale Probleme: Erstens können absolute und relative Angaben zu völlig unterschiedlichen und teilweise irreführenden Schlussfolgerungen führen, insbesondere wenn sich Bezugsgrößen und Nenner über die Zeit verändern. Zweitens ist von einer relevanten Untererfassung bzw. Dunkelziffer auszugehen, gerade an den statistischen und gestationalen Grenzbereichen, sodass nicht alle vergleichbaren Ereignisse gleichermaßen erfasst werden. Drittens zeigt die im verlinkten Artikel beschriebene Studie einen erheblichen Klassifikations- und Dokumentationsbias: Ein großer Teil der erfassten Fälle wurde fehlerhaft bzw. unzutreffend als ungeklärt oder mit einer falschen Todesursache klassifiziert. Dadurch können sowohl die Größenordnung als auch die Entwicklung und Ursachen von Früh- und Totgeburten in der Statistik erheblich verzerrt erscheinen.

"The analyses show that stillbirth rates in most European countries are still declining or stable at a low level. Germany and Belgium stand out with a clear and significant upward trend in stillbirths since at least 2010. In Germany, the number of stillbirths per 1,000 births rose from 2.8 in 2010 to 3.7 in 2021. Belgium saw an increase from 4.6 to 5.6 over the same period." = Anstieg von 32,14 % + extreme Untererfassung https://www.mpg.de/24104403/understanding-the-increase-in-stillbirth-rates-in-germany-amid-european-declines