IN TODAY’S EDITION
- 🧊 | Immune cells mobilized
- 🌍️ | Ancestral mushroom use
- 🌲 | Turkey tail, farmed
Hi Shroomers. 16 studies this week covering cancer biology, psilocybin at scale, ancestral use, addiction, and fungi doing serious environmental work. The porcini finding is the standout, and the wastewater bioreactor results are the kind of real-world application that doesn’t get enough attention. Let’s get into it!
HEALTH & WELLNESS
Cancer cell shutdown 🛑 Porcini mushroom (Boletus edulis) contains edulitin 2, a protein that cut colon cancer cell survival by more than 80% after 72 hours. It pushed nearly 40% of cancer cells into apoptosis, the body’s clean “cell shutdown” process, while avoiding the messier cell death that can drive inflammation. Even at 400 µg/mL, it didn’t disrupt simulated gut microbes.
Muscle defense boost 💪 Shiitake mushroom (Lentinula edodes) packs 27.43 g protein, 34.98 g fiber, 2606 mg potassium, and 117.98 mg magnesium per 100 g of freeze-dried powder. Its extract delivered high antioxidant activity and reduced both IL-6, an inflammation signal, and oxidative stress in muscle cells at 125–500 µg/mL.
Immune cells mobilized 🧊 Cordyceps (Cordyceps militaris) contains cordycepin, a compound that helped immune cells move into melanoma tumors and shrink tumor volume in mice. At 20 µM, cordycepin increased immune-cell cleanup of tumor material, boosted tumor-targeting movement, and raised key immune signals linked to cancer-cell clearance. The strongest result came when cordycepin-primed immune cells were injected directly into tumors, reducing both tumor size and weight while increasing cancer-cell death markers.
PSILOCYBIN & LEGISLATION
Depression evidence check 📚️ A review of 13 psilocybin-assisted therapy trials involving 606 people found no clear overall antidepressant effect when results were pooled, with the average effect missing statistical significance and study results varying widely. Trial design mattered: control group type explained 98.7% of the differences between studies, and protocols with 2–5 psilocybin sessions showed stronger effects than more intensive approaches. The takeaway is not that psilocybin “doesn’t work,” but that results depend heavily on the therapy structure, comparison group, and study quality.
Going mainstream 📻️ In 2024, 2.8% of Americans age 12 and older used psilocybin in the past year, equal to about 8 million people. Use was higher among adults 18–25, men, college-educated adults, cannabis users, and people who had used LSD, ketamine, or MDMA in the same year. People with a past-year major depressive episode also had higher odds of psilocybin use, making this a key public-health snapshot as psychedelics move further into everyday life.
Ancestral mushroom use 🌍️ Basotho healers and non-healers in southern Africa reported using Psilocybe maluti, a psilocybin-producing mushroom found in Lesotho and South Africa, for initiation, healing, recreation, and protection. In interviews with 26 healers and 8 non-healers, 15 healers and 6 non-healers independently identified the mushroom, and 5 healers described adding it to a psychoactive initiation brew used to intensify dreams and visions. The findings expand documented traditional psilocybin use beyond the Americas and show a different pattern than Western clinical or Mesoamerican models: smaller doses, mixed preparations, and use as one tool within a broader healing system.
Addiction brain reset ♻️ In people with methamphetamine use disorder, psilocybin-assisted therapy was linked to measurable changes in brain networks tied to attention, self-reflection, salience, and cognitive control. Brain scans showed stronger network organization after treatment, with local activity shifts in frontal and sensorimotor regions. Greater reductions in meth use tracked with recovery in frontostriatal and attention circuits, making this a strong early signal for psilocybin’s role in addiction and brain plasticity research.
Cancer survivor trends 💝 Among U.S. adults 50+, lifetime psilocybin use was lower in cancer survivors from 2015–2019, at 6.4% versus 7.7% in people without cancer. Any classic psychedelic use reached 11.6% among cancer survivors, while cannabis use was nearly the same between groups at 41.6% versus 42.6%. Use varied by cancer type, with head and neck, cervical, and hepatobiliary/pancreatic cancer survivors showing the highest cannabis-and-psychedelic co-use, making this a strong real-world snapshot for aging, cancer care, and psychedelic literacy.
Life reports 📊 In the Global Psychedelic Survey 2023, 6,379 adults completed the survey and 1,529 shared open-text reflections about psychedelic use. Three themes stood out: perceived health benefits, stronger wellbeing and personal growth, and major shifts in life perspective or meaning. Because these are self-reported experiences, not clinical outcomes, the strongest takeaway is cultural and harm-reduction value: people are using psychedelics for healing, identity, pain, growth, and crisis recovery outside formal medical settings.
ECOLOGY & CONSERVATION
Fungi filter flame chemicals 🧯 Turkey tail (Trametes versicolor), reishi (Ganoderma lucidum), and Pycnoporus sanguineus removed flame-retardant chemicals from urban wastewater in rotating drum bioreactors under real, non-sterile conditions. The system removed over 90% of TBP and TBEP, while the wood-supported fungal reactor removed 57% of TCEP and 68% of TCPP, two harder-to-remove chlorinated pollutants. Reishi became a key player, growing by three logs in the wood reactor, and no potentially toxic breakdown products remained after long-term treatment.
Pollution cleanup teamwork 🏗️ The fungus Arthrinium acutiapicum DL-5 degraded 78.8% of benzo[a]pyrene after 14 days, while the bacterium Pseudomonas nicosulfuronedens DY-8 degraded 72.5% on its own. Used together in contaminated soil, the fungal-bacterial pairing reduced leftover benzo[a]pyrene even further by boosting pollutant-degrading genes and helping native microbes break down toxic metabolites. This shows how fungi can act less like solo cleanup crews and more like ecosystem engineers, making bacterial pollution removal stronger in real soil.
Mangrove root boost 🌊 Arbuscular mycorrhizal fungi plus coconut husk helped mangrove propagules build stronger roots, leaves, and early stability over 4 months. The combined treatment increased root growth by 103.6% versus the control, 60.0% versus coconut husk alone, and 52.4% versus mycorrhiza alone. By month 4, root amount was still 27.6–50.5% higher than the other treatments, turning coconut waste and beneficial fungi into a low-cost tool for coastal restoration.
GROWING & GOURMET
Turkey tail, farmed 🌲 Turkey tail (Trametes versicolor) grown on chestnut forest logs produced fruiting bodies on 68% of inoculated logs after about 328 days, turning forest biomass into a controlled mushroom crop. Compared with wild samples, cultivated turkey tail had higher protein at 5.62%, fiber at 50.6%, and α-tocopherol at 14.8 mg/100 g, plus stronger DPPH antioxidant activity. Wild turkey tail still showed broader chemical diversity, but cultivated samples offer a more scalable, traceable way to produce bioactive-rich functional mushroom ingredients without relying on foraging.
Low-sodium bread upgrade 🍞 White button mushroom (Agaricus bisporus) and oyster mushroom (Pleurotus ostreatus) stem flours helped replace 50–100% of salt in bread while raising protein, fiber, potassium, and calcium. Sodium dropped from 2164.75 mg/100 g in regular bread to as low as 59.70 mg/100 g, and protein digestibility stayed around 85% across the tested breads. Oyster mushroom stem flour at 3% produced the lowest predicted glycemic index, making mushroom leftovers a practical win for lower sodium, better nutrition, and food-waste.
Brazilian chanterelle find 🇧🇷 Chanterelle (Cantharellus guyanensis) was confirmed for the first time in Brazil’s Cerrado biome using morphology plus ITS, LSU, and TEF1-α genetic markers. Nutritionally, it contained 25% crude protein, 64.2% total carbohydrates, 79.8% total digestible nutrients, and just 2% crude fat. Its fruity aroma, low moisture, high dry matter, and strong mineral profile, including 347 mg/kg iron and 28.8 g/kg potassium, make it a standout wild gourmet mushroom and regional food resource.
Shrimp feed swap 🦐 Straw mushroom (Volvariella sp.) myco-meal replaced up to 50% of soybean meal in whiteleg shrimp (Litopenaeus vannamei) feed without hurting growth or survival. The 50% replacement group had the strongest growth response, with 4518% weight gain, 8.52% specific growth rate, and 87.5% feed conversion efficiency over 60 days. Higher levels raised immune-cell counts and gut lactic acid bacteria, but 75–100% replacement lowered blood glucose, making 50% the sweet spot for sustainable shrimp nutrition.
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