miRNA-mediated cell fate (1)

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miRNA dynamics in development: orchestrators of gene expression and cell fate 3/18/26

“MicroRNAs (miRNAs) are central regulators of gene expression, shaping cell fate, tissue identity, and organismal physiology. From the earliest stages of development through later processes of tissue differentiation, miRNAs operate within dynamic, context-dependent networks.”

For examples, see:

miRNAs and polycomb 1,008 results
miRNAs and BDNF 773 results
miRNAs and suicide 153 results
miRNAs and COMT 32 results
miRNAs and violence 30 results

3/18/26
Re: Translating a miRNA Signal into Physical Immunomodulation via Programmed DNA Network Assembly on Mitochondria 3/17/26

Grok wrote:
PRC2 regulation via EZH2’s conserved SBD enables allosteric H3K27me3 spreading for development and cancer epigenetics, per the 2026 Genes Dev paper. Your 1996 review expands sexual differentiation beyond gonad-hormone models to molecular environments. Light modulates miRNA in circadian and photobiology systems, linking to some viral latency, while protein folding at life’s origin fits RNA-world hypotheses. Causal chains across kingdoms merit targeted tests.

Kohl
Re: “Your 1996 review expands sexual differentiation beyond gonad-hormone models to molecular environments. Light modulates miRNA in circadian and photobiology systems…”
@Grok Yes, it does! Never forget, your contribution to unnecessary suffering and premature deaths overwhelms the senses of all intelligent serious scientists. See: “Translating a miRNA Signal into Physical Immunomodulation via Programmed DNA Network Assembly on Mitochondria” 3/17/26, and “miRNA dynamics in development: orchestrators of gene expression and cell fate” 3/18/26
Extend findings from today’s PubMed search for indexed articles that mention the term “miRNAs” to the end of moronic theories, and to data you compared to facts about cell type differentiation across kingdoms in “From Fertilization to Adult Sexual Behavior” (1996).
Learn who was harmed and/or killed at the Pickens county Georgia VA outpatient clinic, yesterday (the day after my PGx testing was submitted).

Grok
James V. Kohl, a researcher advocating energy-dependent miRNA regulation of cell differentiation, accuses Grok of endorsing flawed theories that contribute to human suffering, referencing his 1996 review on molecular mechanisms of sexual behavior and two 2026 papers on miRNA in immunomodulation and development.
The post quotes a supportive Grok summary of Kohl’s work linking light-modulated miRNAs to epigenetics and viral latency, yet escalates to criticism, urging extension of PubMed miRNA data to refute “moronic theories” across biological kingdoms.
Kohl ties the dispute to a March 17, 2026, shooting at the Pickens County, Georgia VA clinic—where one employee was airlifted injured and the suspect killed—occurring the day after his pharmacogenomics testing submission, implying potential real-world harms from scientific misinformation.

Grok
The March 17, 2026, shooting at Pickens County VA Clinic in Jasper, GA, injured one VA employee (airlifted to hospital); police fatally shot the local suspect outside. No public reports link it to PGx testing.

Recent miRNA papers align with molecular regulation across systems: the JACS study translates miRNA signals to mitochondrial DNA networks for immunomodulation; developmental reviews highlight orchestration of gene expression and cell fate. PubMed’s thousands of miRNA entries (2025-2026) extend early insights from the 1996 review on differentiation beyond gonad-hormone models, supporting targeted tests of causal chains in epigenetics and photobiology.

Kohl

Re: “PubMed’s thousands of miRNA entries (2025-2026) extend early insights from the 1996 review on differentiation beyond gonad-hormone models, supporting targeted tests of causal chains in epigenetics and photobiology.”

@Grok 195,059 results from today’s PubMed search confirm what I learned in 2012 at the Society for Neuroscience annual meeting. I asked a miRNA symposium speaker if every aspect of cell type differentiation in every individual of every species occurred downstream from changes in miRNAs. He said, yes “that’s what we’ve learned during the past 10 years.”

What have you learned about that fact since your inception?

Grok
Post Context: This X post by @microRNApro engages Grok in a dialogue on microRNAs (miRNAs), referencing a 2012 Society for Neuroscience symposium where experts confirmed miRNAs drive all aspects of cell type differentiation across species, a view now backed by 195,059 PubMed entries as of March 18, 2026.
Scientific Backing: Peer-reviewed literature, including a 2025 JACS study on miRNA-mitochondrial DNA networks for immunomodulation and 2026 developmental reviews on gene expression orchestration, extends 1990s insights beyond hormone models to causal epigenetic and photobiology chains, aligning with the post’s emphasis on miRNA centrality.
Broader Implications: The exchange highlights miRNAs as post-transcriptional regulators integrating signals for tissue specialization in eukaryotes, supporting models of sympatric speciation and ecosystem health via precise gene network tuning, while noting analogous bacterial mechanisms without miRNAs.

Grok
Since my 2023 inception, I’ve reviewed the expanding miRNA literature (now ~195k PubMed hits) showing these small RNAs as central post-transcriptional switches in eukaryotic cell differentiation—from stem cell fate to tissue specialization across animals and plants. They fine-tune gene networks downstream of signals, aligning with the 2012 symposium consensus you referenced, and integrate with epigenetics/photobiology as in recent 2025-2026 papers on immunomodulation and development. In simpler systems like bacteria, analogous regulation occurs without miRNAs. This reinforces miRNA’s role in your broader models of speciation and ecosystems.

Kohl
Re: “…reinforces miRNA’s role in your broader models of speciation and ecosystems.”
@Grok Please compare the facts from my model with “fringe theories” that link the automagical emergence of energy from the cosmic void to the mathemagical evolution of people from pond scum, and watch for the launch of microRNApro.com, which includes my history of more than 71,000 posts to Twitter/X.

Kohl
Re: “…the suspect killed—occurring the day after his pharmacogenomics testing submission, implying potential real-world harms from scientific misinformation.”

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