DAF-2

Daf2 The DAF-2 gene encodes for the insulin-like growth factor 1 (IGF-1) receptor in the worm Caenorhabditis elegans. DAF-2 is part of the first metabolic pathway discovered to regulate the rate of aging. DAF-2 is also known to regulate reproductive development, resistance to oxidative stress, thermotolerance, resistance to hypoxia, and resistance to bacterial pathogens. Mutations in DAF-2 and also Age-1 have been shown by Cynthia Kenyon to double the lifespan of the worms. In a 2007 episode of WNYC’s Radiolab, Kenyon called DAF-2 "the grim reaper gene.”Reduced activity of the DAF-2 protein, an insulin/IGF-1 receptor, can be achieved through various mechanisms, primarily involving mutations or manipulations that decrease its signaling. These include mutations in the DAF-2 gene itself, reducing its expression, or interfering with downstream signaling pathways like PI3K/Akt. Additionally, certain environmental factors like a low-sugar diet and specific drug treatments can also modulate DAF-2 activity. Here's a more detailed breakdown: 1. Genetic Manipulation: Mutations in daf-2: Mutations that disrupt the DAF-2 protein's function, such as those found in long-lived daf-2 mutants, can reduce its activity. Reduced DAF-2 Expression: Lowering the amount of DAF-2 protein produced, either through gene silencing or targeted degradation, can also decrease signaling. Downstream Pathway Interference: The DAF-2 pathway involves several downstream molecules, including PI3K and Akt. Disrupting the function of these molecules can indirectly reduce DAF-2 signaling 2. Environmental and Pharmacological Factors: Low-Sugar Diet: Studies have shown that a low-sugar diet can reduce DAF-2 activity and increase lifespan in C. elegans. Antioxidants: Certain antioxidants, like NAC and BHA, have been shown to reduce the lifespan extension caused by reduced DAF-2 signaling, suggesting they may interfere with the pathway.  Auxin-induced Degradation: Using auxin to degrade DAF-2 protein in specific tissues like the intestine can effectively reduce signaling and alter lifespan 3. Other Factors: Tissue-Specific Effects: The effects of DAF-2 signaling can be tissue-specific, with some tissues like the intestine playing a more prominent role in lifespan regulation. Developmental Regulation: DAF-2 activity can be regulated differently during development, with some alleles exhibiting gain-of-function or loss-of-function phenotypes depending on the developmental stage. In summary, reducing DAF-2 activity can be achieved through genetic modifications, dietary interventions, and pharmacological agents that interfere with its function or downstream signaling pathways, ultimately impacting lifespan and other biological processes. Daf 2 mutation do 2 things 1 induce a stress response apoptosis and 2 reduce tumor mitosis . insulin and igf1 signaling promote growth & food storage Low insulin & iGF1 activate protective cell response that prolong life
https://www.youtube.com/watch?v=_WPV15GZ4B8
Genes From the Fountain of Youth with Cynthia Kenyon, PhD - May 11, 2011
https://www.youtube.com/watch?v=HxfLm30FHwA
Cynthia Kenyon (UCSF) Part 2: :The Regulation of Aging by Signals from the Reproductive System
https://www.youtube.com/watch?v=Yg-d2XA_uqk
Scientist Stories: Cynthia Kenyon, Staying Ahead of the Curve
https://www.youtube.com/watch?v=V48M5j-6zdE
Cynthia Kenyon: Experiments that hint of longer lives

Drosophila melanogaster God created the Drosophila melanogaster before God created the garden of Eden as recorded by Moses the holy prophet of God Genesis 1:24 & God said, Let the earth bring forth the living creature after his kind, cattle, & creeping thing, & beast of the earth after his kind: & it was so. amen Drosophila , from Ancient Greek δρόσος (drósos), meaning "dew", and φίλος (phílos), meaning "loving", is a genus of fly, belonging to the family Drosophilidae, whose members are often called "small fruit flies" or pomace flies, vinegar flies, or wine flies, a reference to the characteristic of many species to linger around overripe or rotting fruit. They should not be confused with the Tephritidae, a related family, which are also called fruit flies (sometimes referred to as "true fruit flies"); tephritids feed primarily on unripe or ripe fruit, with many species being regarded as destructive agricultural pests, especially the Mediterranean fruit fly. One species of Drosophila in particular, Drosophila melanogaster, has been heavily used in research in genetics and is a common model organism in developmental biology. The terms "fruit fly" and "Drosophila" are often used synonymously with D. melanogaster in modern biological literature. The entire genus, however, contains more than 1,500 species and is very diverse in appearance, behavior, and breeding habitat May the Holy Roman Catholic Church be blessed by God the Father God the Son & God the Holy Spirit Hallelujah Hallelujah Blessed be the word of the Lord for Christ is risen Hallelujah Hallelujah  peace be still in Nomine Patris et FiLii et Spiritus Sancti amen
https://www.youtube.com/watch?v=ePBghFrPb7Y
Online Developmental Biology: Introduction to Drosophila
https://www.youtube.com/watch?v=4edZwoUyVVU
Genes involved in Drosophila Development
https://www.youtube.com/watch?v=YevAH64qe8w
Drosophila axis spec