Javi Ibarrondo's Avatar

Javi Ibarrondo

@jibarrondo

Researcher at UCLA. PhD. Immunology, HIV. I love science, music, books and friends. Hate lies, authoritarianism and bad people. I block trolls: no debate, no comment.

9,274
Followers
1,012
Following
1,559
Posts
19.11.2024
Joined
Posts Following

Latest posts by Javi Ibarrondo @jibarrondo

Preview
Exclusive: US investigation points to likely US responsibility in Iran school strike, sources say Military investigators believe it is likely that U.S. forces were responsible for an apparent strike on an Iranian girls' school that killed scores of children on Saturday, two U.S. officials told Reu...

Reuters Exclusive

"U.S. military investigators believe it is likely that U.S. forces were responsible for an apparent strike on an Iranian girls' school."

"The strike would rank among the worst cases of civilian casualties in decades of U.S. conflicts in the ​Middle East."

06.03.2026 02:50 πŸ‘ 9958 πŸ” 5240 πŸ’¬ 623 πŸ“Œ 630
Preview
Persistent antigen is essential for sustaining Leishmania major–specific memory CD4+ T cells and long-term immunity Persistent parasites may be key to lasting immunity because without them, memory CD4+ T cells fade and protection is lost.

Persistent antigen is essential for sustaining Leishmania major–specific memory CD4+ T cells and long-term immunity | Science Advances www.science.org/doi/10.1126/... πŸ§ͺ

06.03.2026 20:09 πŸ‘ 3 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Trapped in declining occupations: Barriers to worker mobility in a changing economy Recent occupational restructuring is widening the mobility opportunity gap between workers in growing and declining occupations.

Trapped in declining occupations: Barriers to worker mobility in a changing economy | Science Advances www.science.org/doi/10.1126/... πŸ§ͺ

06.03.2026 20:06 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
β€˜Insane’ images depict ant species in stunning 3D New method for visualizing organisms opens the door for mass digitization efforts

β€˜Insane’ images depict ant species in stunning 3D | Science | AAAS www.science.org/content/arti... πŸ§ͺ

06.03.2026 18:29 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
NIH reneges on recognizing union for early career researchers The biomedical research agency says trainees in its labs are not β€œemployees”

NIH reneges on recognizing union for early career researchers | Science | AAAS www.science.org/content/arti... πŸ§ͺ

06.03.2026 18:29 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Preview
New HIV cure approach forces hidden virus into tripping immune sensor Strategy gains momentum after promising results in cell studies and infected people

New HIV cure approach forces hidden virus into tripping immune sensor | Science | AAAS www.science.org/content/arti... πŸ§ͺ

06.03.2026 18:28 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Thirty-six solutions to stabilize Earth’s climate An updated visual assessment tool can bridge the gap between climate research and political action

Thirty-six solutions to stabilize Earth’s climate | Science www.science.org/doi/10.1126/... πŸ§ͺ

05.03.2026 22:22 πŸ‘ 43 πŸ” 22 πŸ’¬ 1 πŸ“Œ 0
Preview
Protein therapy with self-amplifying RNA Self-amplifying RNA improves heart function after myocardial infarction in mice and pigs

Protein therapy with self-amplifying RNA | Science www.science.org/doi/10.1126/... πŸ§ͺ

05.03.2026 22:19 πŸ‘ 11 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Baby-to-baby strain transmission shapes the developing gut microbiome - Nature A metagenomic survey of babies attending the first year of nursery detected extensive baby-to-baby microbial strain transmission, pointing to social interactions in infancy as crucial drivers of infan...

www.nature.com/articles/s41... πŸ§ͺ

05.03.2026 18:26 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Preview
Stem cells provide a potent treatment for frailty Elderly people with frailty, which affects up to one-quarter of over-50s, increased their endurance after a single dose of stem cells.

www.nature.com/articles/d41... πŸ§ͺ

05.03.2026 18:25 πŸ‘ 5 πŸ” 2 πŸ’¬ 0 πŸ“Œ 1
Preview
Physiological aging in three dimensions Aging is characterized by progressive structural and functional decline, driven partially by epigenetic alterations. While changes in DNA methylation, histone modifications, and chromatin accessibilit...

Aging and senescence alter 3D chromatin organization, including compartments, topologically associating domains (TADs), and enhancer–promoter interactions, leading to altered gene expression.

Physiological aging in three dimensions: Trends in Cell Biology www.cell.com/trends/cell-... πŸ§ͺ

05.03.2026 18:24 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Liver exerkine reverses aging- and Alzheimer’s-related memory loss via vasculature Liver exercise factor GPLD1 rejuvenates blood-brain barrier integrity and reverses cognitive impairments in aging and Alzheimer’s disease models by targeting GPI-anchored proteins on brain endothelial...

Liver exerkine reverses aging- and Alzheimer’s-related memory loss via vasculature: Cell www.cell.com/cell/fulltex... πŸ§ͺ

05.03.2026 18:21 πŸ‘ 6 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Preview
Many heat-stressed tropical insects are reaching their limits Vast study in Peru and Kenya confirms limited defenses against rising temperatures, redoubling climate concerns

Many heat-stressed tropical insects are reaching their limits | Science | AAAS www.science.org/content/arti... πŸ§ͺ

05.03.2026 18:15 πŸ‘ 7 πŸ” 3 πŸ’¬ 0 πŸ“Œ 1
Preview
GLP-1 drugs linked to lower addiction rates in large study of veterans The treatments appeared to help prevent a wide range of substance use disorders and reduce serious harms from existing ones

GLP-1 drugs linked to lower addiction rates in large study of veterans | Science | AAAS www.science.org/content/arti... πŸ§ͺ

05.03.2026 18:15 πŸ‘ 5 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Preview
Distinct spatial organization governs oral mucosal immunity - Nature Immunology Moutsopoulos, Williams and colleagues show oral mucosal barrier tissues exhibit dynamic zonal immune cell environments, including tonic inflammatory features in healthy individuals and development of ...

www.nature.com/articles/s41... πŸ§ͺ

04.03.2026 18:44 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Rapid elicitation of neutralizing Asn332-glycan-independent antibodies to the V3-glycan epitope of HIV-1 Env in nonhuman primates - Nature Immunology WIN332 is an HIV-1 Env protein designed to elicit a new class of Asn332-glycan-independent antibodies (type II) to the V3-glycan site of Env. WIN332 immunization rapidly induces type-II V3-glycan anti...

www.nature.com/articles/s41... πŸ§ͺ

04.03.2026 18:44 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Metabolic quiescence of naive-like memory T cells precedes and maintains antigen-specific T cell memory - Nature Immunology Schober and colleagues show that effector CD8+ T cells undergo metabolic shutdown, CD8+ central memory T cells are the most metabolically active, and naive-like memory T cells are quiescent during the...

www.nature.com/articles/s41... πŸ§ͺ

04.03.2026 18:42 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Preview
Microbes might be able to planet hop on asteroid shrapnel Experiment confirms bacteria could survive being blasted off world by impact

Microbes might be able to planet hop on asteroid shrapnel | Science | AAAS www.science.org/content/arti... πŸ§ͺ

04.03.2026 18:38 πŸ‘ 5 πŸ” 4 πŸ’¬ 0 πŸ“Œ 1
Preview
Delays in awards and funding calls worry NIH-funded researchers Many programs may be pushed into the next fiscal year, and some could face funding gaps

Delays in awards and funding calls worry NIH-funded researchers | Science | AAAS www.science.org/content/arti... πŸ§ͺ

04.03.2026 18:38 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Stem cell therapies β€˜come of age’ with two conditional approvals in Japan Induced pluripotent stem cells could help treat diseased hearts and brains

Stem cell therapies β€˜come of age’ with two conditional approvals in Japan | Science | AAAS www.science.org/content/arti... πŸ§ͺ

04.03.2026 18:37 πŸ‘ 2 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
Preview
Did ancient Greek priestesses brew a mind-bending potion drunk by Cicero and Marcus Aurelius? Researchers found the psychedelic elixir would have been possible to make using ingredients and techniques available in ancient Greece

Did ancient Greek priestesses brew a mind-bending potion drunk by Cicero and Marcus Aurelius? | Science | AAAS www.science.org/content/arti... πŸ§ͺ

04.03.2026 18:37 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 1
Emotional and cognitive effects of menopause and hormone replacement therapy | Psychological Medicine | Cambridge Core Emotional and cognitive effects of menopause and hormone replacement therapy - Volume 56

www.cambridge.org/core/journal... πŸ§ͺ

03.03.2026 19:18 πŸ‘ 1 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
Preview
The theory of epidemics with altruism | PNAS Social distancing can mitigate the spread of diseases in humans and animals. Social distancing allows susceptible individuals to protect themselves...

The theory of epidemics with altruism | PNAS www.pnas.org/doi/10.1073/... πŸ§ͺ

03.03.2026 19:13 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 1
Preview
β€˜Truly spectacular’ drug for sleeping sickness simplifies treatment, raising hopes for eradication European regulators greenlight new one-dose compound that could help African countries get rid of an ancient burden

β€˜Truly spectacular’ drug for sleeping sickness simplifies treatment, raising hopes for eradication | Science | AAAS www.science.org/content/arti... πŸ§ͺ

03.03.2026 18:37 πŸ‘ 12 πŸ” 4 πŸ’¬ 0 πŸ“Œ 0
Preview
Suspended small business research programs derail development of gene therapies, hip implants, and more Congressional impasse has halted billions in research funding for innovative technologies

Suspended small business research programs derail development of gene therapies, hip implants, and more | Science | AAAS www.science.org/content/arti... πŸ§ͺ

03.03.2026 18:30 πŸ‘ 7 πŸ” 7 πŸ’¬ 1 πŸ“Œ 0
Preview
How will we know if AI is smart enough to do science? New tests gauge whether large language models can use their deep troves of knowledge to actually make discoveries

How will we know if AI is smart enough to do science? | Science | AAAS www.science.org/content/arti... πŸ§ͺ

03.03.2026 18:30 πŸ‘ 3 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0
Preview
Meet three scientists who said no to Epstein The warning signs included a web search, a mother’s doubts, and inklings of a β€œsexist attitude”

Meet three scientists who said no to Epstein | Science | AAAS www.science.org/content/arti... πŸ§ͺ

03.03.2026 18:29 πŸ‘ 14 πŸ” 8 πŸ’¬ 0 πŸ“Œ 2
Post image

Every senator who voted to confirm RFK Jr owns this tragedy. Every single one.

27.02.2026 14:51 πŸ‘ 16766 πŸ” 7027 πŸ’¬ 540 πŸ“Œ 374
Preview
When I lost my university email, my identity as a scientist took an unexpected hit β€œMy scientific life [had] gathered there, thread by thread,” this researcher writes

When I lost my university email, my identity as a scientist took an unexpected hit | Science | AAAS www.science.org/content/arti... πŸ§ͺ

27.02.2026 14:28 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Preview
Private money cannot replace public funding of science Who should pay for American science? In the current political climate, many are looking to the private sector to compensate for cuts in public funding. At the Harvard School of Public Healthβ€”particula...

Private money cannot replace public funding of science | Science www.science.org/doi/10.1126/... πŸ§ͺ

27.02.2026 14:27 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0