The Xenomorphic Hijacking Model, Part 2: The Extracellular Signalling Burden Hypothesis
Year: 2026
Type: preprint
Abstract: The Xenomorphic Hijacking Model, Part 2: The Extracellular Signalling Burden Hypothesis Nov 11, 2026 · @Kaveh Dimitri Salahi Author: Kaveh Dimitri Salahi · Research Initiative: Priority Arts Initiative · Version: 1.0 Status: Original exploratory scientific hypothesis and research framework. Second paper in the Xenomorphic Hijacking Model series. Copyright and intellectual property notice © 2026 Kaveh Dimitri Salahi. All rights reserved. The Extracellular Signalling Burden Hypothesis, its conceptual framework, terminology and theoretical relationships are the exclusive intellectual property of Kaveh Dimitri Salahi and the Priority Arts Initiative. Any reproduction, publication, academic discussion or derivative work drawing on the framework should give clear attribution. This paper develops one component of the Xenomorphic Hijacking Model, the original research work of Kaveh Dimitri Salahi. Studies cited here remain the intellectual property of their authors and publishers. The original contribution lies in the convergence mechanism, in the interpretation of relationships between the cited findings, and in the research questions following from their integration. Author's note My thanks go to James Cameron and Sigourney Weaver. I was a child when I first saw Aliens. What stayed with me was not the fear of the creature but the shape of its logic — an organism whose whole strategy is to enter another body and turn that body's machinery toward purposes not its own. A child has no vocabulary for host, vector or effector protein. What a child has is the picture, and the picture was exact. Something can live inside you and quietly change the terms you live by, and you may never know it is there. In the years that followed I watched illness take most of my family, one at a time. Different names were written on different certificates. Each was handled as its own private misfortune, unconnected to the one before it, and nobody in any of those rooms was asking whether the separate endings might share a hidden grammar. I could never make that separation sit still. The question that would not leave me was whether something had been setting the terms quietly, for years, long before any of them had a diagnosis to carry. That question is the whole of this work. The film did not hand me an answer; films do not do that. It gave me the shape of the question early enough that I had somewhere to put the grief when it came, and a reason to spend four years reading rather than looking away. I know how unusual it is to open a scientific document by thanking a director and an actor. I would rather be unusual than ungrateful. On method. I see connections where many cannot, and routes into a problem where many stay narrowed to one direction. I hold several lines of thought at once, where others give most of a career to one. The great challenges facing humanity are, to me, my own challenge to become a better person — a competition with myself and no one else. Without funding or reward, I work toward the only prize I want: to solve what others could not, on my own time and by my own will. The first paper in this series asked whether certain long-lived parasites can reach into the control systems their hosts depend on, named three molecules worth watching, and left one question standing: if such reaching occurs, by what material means does it travel? This paper answers that, and is narrower on purpose. One debt of a different kind belongs here. Jaroslav Flegr and his colleagues established, across eighty-eight countries, that the burden of latent infection and the burden of chronic disease move together, and said with care that moving together is not the same as causing. Where they set the pen down, I picked it up — to finish what they started, and to show something greater than the sum of its parts. A note on language. Like the first paper, this one is written in deliberately plain words, on the view that an idea with real weight should be readable by a nurse, a water engineer, a patient and a professor of immunology without any of them being handed a different version. Each major part opens in ordinary language, then gives the full technical treatment. Neither layer summarises the other; both carry the argument, and nothing in the science has been softened to achieve it. Where the evidence runs out, this document says so in the same plain words. Plain summary A parasite living inside a person for years does not sit still and wait. It sheds — fragments of outer skin, small sealed bubbles carrying messages, proteins, fats, scraps of genetic code. This was long called waste. It is not waste. Much of it is language, and the body listens. The listening happens at one place. Every blood vessel is lined by a single thin layer of cells, thousands of miles of living wall, and those cells keep their alarm chemicals packed together in tiny storage sacs. When the wall is disturbed the sacs open and the alarms leave together, in one movement. Three of them matter here, and the same three appear again and again in cancer, multiple sclerosis, Alzheimer's, heart attacks, high blood pressure and diabetes. Six diseases with apparently nothing in common keep arriving at the same three doors — because the three are not separate findings that happen to agree. Pull one and all three come. Anything knocking quietly on that wall for years therefore raises them all at once, and a parasite shedding into the blood for a decade is exactly such a thing. The second idea is stranger, and it is why this is not a story about blame. The effect runs both ways: toward illness where disease comes from a body inflamed too much, away from it where disease comes from a body attacking itself by mistake. So this is not a claim that parasites cause these six diseases, but a claim about a setting — where the body's alarm threshold sits, and what a lifetime of quiet signalling does to it. Each part below opens in ordinary words before the technical account begins. Abstract The first paper in this series identified three signalling targets for the Xenomorphic Hijacking Model — endothelin-1 (ET-1), angiopoietin-2 (ANG-2) and interleukin-6 (IL-6) — on the grounds that each sits inside the systems regulating vessel tone, vessel-lining stability and inflammatory communication, and each can be measured by established methods. It left open what, if anything, connects those three to one another. This paper addresses that question. Persistent parasites continuously release surface glycoproteins, membrane lipids, extracellular vesicles, regulatory RNAs, proteases and metabolic end-products into host tissue, and this material is biologically active independently of where the organism sits. The argument is that the three named targets are not three independent readouts but partly one: endothelin-1 and angiopoietin-2 are co-stored in endothelial Weibel-Palade bodies and co-released on exocytosis, with interleukin-6 rising through the same activation programme. A stimulus triggering that exocytosis does not elevate one mediator. It elevates the set — which supplies a mechanistic reason for a prediction the first paper had already stated, that the three markers together would identify unstable inflammatory and endothelial states more effectively than any alone. The discipline the first paper built into its treatment of angiopoietin-2 applies here with full force, and is strengthened by the mechanism. These are host molecules, made by the host's own endothelium and stored in a host organelle. The parasite is a trigger, not a source. Nothing here describes a parasite-secreted toxin, and the distinction between a manipulated host system and a poisoned one is maintained throughout. Two further positions follow. The direction of effect is not uniform: evidence assembled here indicates it is fixed by disease class rather than by organism, running toward pathology in vascular and inflammatory outcomes and, in at least one demyelinating autoimmune outcome, away from it. And cumulative lifetime exposure to parasite-derived extracellular material is offered as a candidate biological substrate for the conditioning variable the first paper defined mathematically but did not identify physically. No claim is made that coordinated elevation of these three molecules is a parasite-controlled mechanism, nor that one mechanism explains cardiovascular disease, Alzheimer's disease, multiple sclerosis, diabetes, hypertension and cancer. Those limits were set in the first paper and are kept. What is claimed is narrower: that a shared release mechanism exists, that five persistent human parasites have documented points of contact with it, and that one molecule in a pathway already treated with licensed drugs has never been measured in the disease that pathway is used to treat. From manipulation to material In plain terms. The first part of this work asked whether long-lived parasites change the hosts they live in. The follow-up is the one worth asking: with what? A parasite cannot reach into a body with an idea. Something physical has to cross the gap — and once you ask what crosses, the question becomes something you can put in a test tube and weigh. 1. Surface and outer-membrane components — in continuous contact with host tissue. 2. Excretory–secretory products (ESPs) — actively released proteins with identified host targets. 3. Extracellular vesicles — membrane-bound packages of proteins, lipids and regulatory RNAs. 4. Metabolic by-products — some crystalline and immunologically active. Part 1 of the Xenomorphic Hijacking Model dealt with host manipulation: the capacity of persistent parasites to alter host physiology in ways serving their own transmission. That framing carries a more tractable question. Manipulation requires a medium. If a parasite alters host signalling, some material must cross the host–parasite interface — and that material can be collected, measured and applied.
Author: Salahi, Kaveh Dimitri
Language: English
Subfield: Molecular Biology
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W7225797231
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