12 Benefits of 7,8-Dihydroxyflavone (7,8-DHF) + Side Effects

12 Benefits of 7,8-Dihydroxyflavone (7,8-DHF) + Side Effects

7,8-DHF is an investigational plant compound and a new nootropic. It has attracted a lot of attention in recent years because it targets a brain receptor that helps grow new neurons. Learn about its potential here. What Is 7,8-Dihydroxyflavone?

7,8-Dihydroxyflavone (7,8-DHF) is a flavone found in plants. It was discovered while searching for molecules that imitate the function of brain-derived neurotrophic factor ( BDNF ) [ 1 , 2 ].

BDNF promotes the growth of neurons and synapses (synaptogenesis) and is very important for normal brain function. Lower amounts of BDNF are observed in diseases such as depression , Alzheimer’s, Parkinson’s, and schizophrenia [ 1 , 3 , 4 ].

Studies in animals show that 7,8-DHF could potentially help with brain repair, long-term memory, depression, and neurodegenerative diseases. However, studies in humans have not yet begun [ 2 ]. Mechanism of Effect

7,8-DHF mimics the effects of brain-derived neurotrophic factor ( BDNF ) in brain cells by activating tropomyosin-related kinase B ( TrkB ) receptors, the typical target of BDNF [ 5 ].

The therapeutic potential of BDNF is restricted due to its short half-life (less than 10 minutes) and its inability to cross the blood-brain barrier because of its large size. Unlike BDNF 7,8-DHF is able to penetrate the blood-brain barrier and enter the central nervous system (CNS) [ 1 ].

7,8-DHF also increases the production of Nrf2 . Nrf2 increases antioxidants enzymes such as heme oxygenase 1 ( HO-1 ) and also enzymes that repair DNA (8-oxoguanine DNA glycosylase-1 – OGG1) [ 6 , 7 ]. Antioxidant Activity

7,8-DHF rescues cells from damage and death caused by oxidative stress [ 8 ].

Cells do not need to have the TrkB receptor to be protected [ 8 ].

In this case, 7,8-DHF:

Because of the relatively low apparent bioavailability of 7,8-DHF (about 5% in mice), researchers are currently developing prodrugs that can be converted to 7,8-DHF once inside the body. The most promising of these is currently known as R13, which has eliminated plaques associated with Alzheimer’s disease in the brains of living mice [ 12 , 13 ].

R13 has not yet been tested in humans, and we do not recommend using it until such studies are conducted. Animal & Cell Research on 7,8-Dihydroxyflavone

No clinical evidence supports the use of 7,8,-DHP for any health condition , as all research thus far has been preclinical. Below is a summary of the existing animal and cell-based research, which should guide further investigational efforts. However, the studies listed below should not be interpreted as supportive of any health benefit.

7,8-DHF improved object recognition (a test used to determine learning and memory) in healthy rats when given immediately following and three hours after learning. It also improved memory in mice with dementia [ 14 ].

In rat models of post-traumatic stress disorder ( PTSD ), 7,8-DHF prevented stress-related memory impairment [ 15 , 16 ].

7,8-DHF also improved memory in aging rats [ 17 , 18 ].

7,8-DHF promoted the repair of damaged neurons [ 19 ].

It also increased the production of new neurons in the brains of adult mice after brain injury and promoted neuron growth in aged mice [ 20 , 21 ].

Similarly, 7,8-DHF, along with exercise , improved brain function in rats that experienced traumatic brain injury [ 22 ].

7,8-DHF protected against stroke-related brain damage in mice. The beneficial effect was more pronounced in females [ 11 , 23 ].

7,8-DHF also prevented neuronal damage in mice after traumatic brain injury [ 24 ].

7,8-DHF decreased the release of inflammatory factors in brain cells by blocking NF-κB [ 25 ].

7,8-DHF also reduced the levels of inflammation-causing nitric oxide, prostaglandin E2 ( PGE2 ), TNF-alpha , and IL-6 in macrophages ( white blood cells ) [ 26 ]. Alzheimer’s Disease

Reduced amyloid plaque formation

Reduced oxidative stress

Prevented loss of synapses Prevented memory deficits and preserved cognitive function However, another study found no benefits in treating mice with Alzheimer’s-like brain damage with 7,8-DHF [ 31 ]. Parkinson’s Disease 7,8-DHF improved motor function and prevents the loss of dopamine -related neurons in a mouse model of Parkinson’s disease [ 32 , 33 , 34 ].It also prevents the death of dopamine-sensitive neurons in monkey models of Parkinson’s disease [ 35 ]. Huntington’s Disease 7,8-DHF delayed the motor and cognitive impairment and prolonged survival in a mouse model of Huntington’s disease [ 36 , 37 ]. Amyotrophic Lateral Sclerosis (ALS) 7,8-DHF improved motor deficits and neuron survival in a mouse model of ALS [ 38 ]. Multiple Sclerosis 7,8-DHF reduced disease severity in a mouse model of multiple sclerosis [ 39 ]. Schizophrenia 7,8-DHF decreased cognitive deficits and improved learning and memory in rat models of schizophrenia [ 40 ].Infections in pregnancy and subsequent abnormal brain development can increase the risk of schizophrenia in offspring. Early use of 7,8-DHF decreased behavioral abnormalities and psychosis in mice offspring at risk of developing a schizophrenia-like disorder [ 41 , 42 ]. Down Syndrome In a mouse model of down syndrome, early intervention with 7,8-DHF increased the production of new neurons (hippocampus) and improved learning and memory [ 43 ]. Fragile X Syndrome Fragile X syndrome is a genetic condition. It causes a range of developmental problems including cognitive impairment and learning disabilities.In a mouse model of fragile X syndrome, 7,8-DHF improved cognitive function and reduced spine abnormalities [ 44 ]. Rett Syndrome Rett Syndrome is a non-inherited genetic brain disorder, mainly affecting girls. Symptoms include unusually slower growth, difficult coordination control, and language issues.7,8-DHF improved symptoms in a mouse model of Rett syndrome [ 45 ].7,8-DHF improved depression in mice that experienced social defeat [ 46 ].It also reduced depressive behaviors in rodents experiencing chronic stress [ 47 , 48 ].7,8-DHF decreased abnormalities in behavior and dopamine transport in mice on METH (methamphetamine) [ 49 , 50 ].7,8-DHF also reduced the rewarding effects of cocaine in mice [ 51 ].7,8-DHF reduced fat production and fat build-up by increasing antioxidant enzymes and neutralizing reactive oxygen […]

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