Summary: Researchers have discovered that the youth-associated protein TIMP2 plays a critical role in maintaining the healthy function of microglia, the brain’s primary immune cells. Supplementing this protein in aged…
Tag: microglia
Peripheral Blood Cells Replenish Aging Human Microglia
Summary: Researchers revealed that aging leads to a massive, previously unrecognized migration of peripheral blood stem cell-derived immune cells into the human brain. The team dismantled the long-held dogma that…
Microglial State Transitions Dictate Alzheimer’s
Summary: Researchers unmasked a critical cellular transition that dictates whether Alzheimer’s disease pathology triggers clinical dementia. The research analyzed brain tissue from older adults, including cognitively healthy centenarians, to map…
Single Immune Switch Drives Both Arthritis and Alzheimer’s
Summary: Inflammation is the body’s natural defense, but when it gets stuck in the “on” position, it drives everything from sepsis to Alzheimer’s. A comprehensive review identifies a protein called…
Immune Cells in the Brain Discovered to Control Puberty and Reproduction
Summary: In a surprising shift in our understanding of reproductive biology, researchers have discovered that fertility is not controlled by neurons alone. The study reveals that microglia—the brain’s primary immune…
Brain Cells Behind Depression Identified
Summary: Researchers analyzing post-mortem brain tissue found two cell types altered in people with depression: excitatory neurons that regulate mood and stress, and microglia that manage inflammation. The findings highlight…
Brain Changes From Early-Life Stress May Be Reversible
Summary: A new study reveals how prenatal infections followed by early-life stress—known as “two-hit stress”—can lead to brain dysfunction and psychiatric-like behaviors. Researchers found that affected mice showed abnormal cerebellar…
Microglia Act Differently in Male and Female Brains
Summary: Microglia, the brain’s immune cells, play vital roles in clearing toxins and maintaining neuronal health but can also contribute to neurodegenerative diseases if overactive. New research reveals sex-based differences…
Immunotherapy Shows Promise as Alzheimer’s Treatment
Summary: Researchers unveiled a novel approach to combat Alzheimer’s disease by activating microglia, the brain’s immune cells, to devour amyloid beta plaques, a hallmark of the condition. This study highlights…
Microglia’s Role in Controlling Anxiety and OCD
Summary: A new study reveals how microglia can regulate anxiety and obsessive-compulsive spectrum disorder (OCSD) behaviors. Traditionally overlooked in favor of neurons, specific microglia populations were found to both stimulate…
