- published: 12 May 2015
- views: 31410
EGF can refer to several things.
A growth factor is a naturally occurring substance capable of stimulating cellular growth, proliferation, healing, and cellular differentiation. Usually it is a protein or a steroid hormone. Growth factors are important for regulating a variety of cellular processes.
Growth factors typically act as signaling molecules between cells. Examples are cytokines and hormones that bind to specific receptors on the surface of their target cells.
They often promote cell differentiation and maturation, which varies between growth factors. For example, bone morphogenetic proteins stimulate bone cell differentiation, while fibroblast growth factors and vascular endothelial growth factors IGF stimulate blood vessel differentiation (angiogenesis).
Growth factor is sometimes used interchangeably among scientists with the term cytokine. Historically, cytokines were associated with hematopoietic (blood forming) cells and immune system cells (e.g., lymphocytes and tissue cells from spleen, thymus, and lymph nodes). For the circulatory system and bone marrow in which cells can occur in a liquid suspension and not bound up in solid tissue, it makes sense for them to communicate by soluble, circulating protein molecules. However, as different lines of research converged, it became clear that some of the same signaling proteins the hematopoietic and immune systems used were also being used by all sorts of other cells and tissues, during development and in the mature organism.
Epidermal growth factor or EGF is a growth factor that stimulates cell growth, proliferation, and differentiation by binding to its receptor EGFR. Human EGF is a 6045-Da protein with 53 amino acid residues and three intramolecular disulfide bonds.
EGF results in cellular proliferation, differentiation, and survival. EGF is a low-molecular-weight polypeptide first purified from the mouse submandibular gland, but since then found in many human tissues including submandibular gland, parotid gland. Salivary EGF, which seems also regulated by dietary inorganic iodine, also plays an important physiological role in the maintenance of oro-esophageal and gastric tissue integrity. The biological effects of salivary EGF include healing of oral and gastroesophageal ulcers, inhibition of gastric acid secretion, stimulation of DNA synthesis as well as mucosal protection from intraluminal injurious factors such as gastric acid, bile acids, pepsin, and trypsin and to physical, chemical and bacterial agents.
EGF Signal Transduction Pathway
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🤔乜鬼都話EGF,講到萬能,點揀先好?[ 🈸網店資訊 ]
Epidermal growth factor
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[中毒性アリ]ACVD EGF type2 60分作業用耐久
[ACVD]EGF type2
EGF란
Epidermal Growth Factor (EGF)
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Bioeffect EGF Serum MIRACLE SERUM
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頂級EGF修護精華液見證篇
EGF화장품 사용전후
BIOEFFECT EGF UPDATE #4
ACVD EGF宗教洗腦 BGM
EGF
EGF Golden Line - zabieg z czynnikami wzrostu i złotem koloidalnym
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EGF pathway - Epidermal growth factor receptor and pathway is explained in this lecture http://www.shomusbiology.com/ Get Shomu's Biology DVD set here- http://www.shomusbiology.com/dvd-store/ Download the study materials here- http://shomusbiology.com/bio-materials.html Remember Shomu’s Biology is created to spread the knowledge of life science and biology by sharing all this free biology lectures video and animation presented by Suman Bhattacharjee in YouTube. All these tutorials are brought to you for free. Please subscribe to our channel so that we can grow together. You can check for any of the following services from Shomu’s Biology- Buy Shomu’s Biology lecture DVD set- www.shomusbiology.com/dvd-store Shomu’s Biology assignment services – www.shomusbiology.com/assignment -help Join On...
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ACVDよりエバーグリーンファミリーテーマBGM 60分耐久 これを機にアーマードコアシリーズを知ってもらえればと思います。 是非、プレイしてみてください。 きっと、はまりますから
EGF란 상피세포 성장인자(Epidermal Growth Factor)로 피부,페,각막, 기관지 상피세포의 증식을 도와주는 세포성분입니다.라미나인으로 안티에이징한 삶을 만나보세요~^^
By: SAGAR GULATI
********More info & where else to find me ******** Hi guys!! Okay so if your new to my channel I want to let you know I had a very big baby and my tummy is for sure suffering haha. I was waiting for Bubz to release the secret amazing product she used buttttttttttttt its WAY too expensive for me (cheaper than a tummy tuck though so I may save!) I found this product on ebay for £15 and am trying it out and will update you! Links belowwww................. Please subscribe to my channel it would make my day and if you have any requests leave them in the comments section :) BUBZ BEAUTY https://www.youtube.com/watch?v=Ji3Ot3kUeHU MD ULTIMATE CELL REPAIR & COLLAGEN BOOSTING SERUM http://www.amazon.co.uk/ULTIMATE-REPAIR-COLLAGEN-BOOSTING-SERUM/dp/B00EUYDKJA *************
Bubz, la blogger asiática con más de 3 millones de seguidores en las redes, nos cuenta su experiencia milagrosa con el EGF Serum de Bioeffect
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頂級EGF修護精華液見證篇
이 동영상은 YouTube 슬라이드 쇼 제작 도구(http://www.youtube.com/upload)로 만들었습니다.
BIOEFFECT EGF UPDATE #4 Please like comment and subscribe!!! Hey there, ITS TIME FOR ANOTHER EGF SERUM VIDEO! So, I started using this egf serum back in march and I'm loving my results. I was using this product every night after a shower but I switched to using it during the day.. I switched to day because I use coconut oil/aloe at night. If you're interested in how I combined the two ingredients please be sure to ask for that video. Also, I heard its best for nighttime because your body is in a more relaxed state. Allowing the egf serum to better absorb in the skin. I don't know about you guys but I see a difference in the mirror and in pics. I will be doing a Q&A; so if you have questions please let me know. I have about another month or so of BIOEFFECT EGF serum left. Check ...
Peptydowy zabieg z placentą i złotem stymulujący rewitalizację komórek skóry właściwej. EGF – Epidermal Growth Factor – to nabłonkowy czynnik stymulujący wzrost komórek naskórka. Nowe komórki zastępują stare i uszkodzone. To naturalny przekaźnik aktywujący skórę do produkcji kolagenu, elastyny i wszelkich procesów naprawczych. PLACENTA i jej czynniki EGF, IGF, FGF oraz VEGF • redukcja zmarszczek • rewitalizacja skóry • modelowanie owalu twarzy • stymulacja odnowy komórkowej naskórka • stymulacja produkcji kolagenu i elastyny Koloidalny roztwór czystego złota • rozświetla skórę • regeneruje i odbudowuje naskórek • zabezpiecza skórę przed działaniem szkodliwych czynników zewnętrznych • działa antybakteryjnie Przeczytaj więcej: http://www.clarena.pl/pl/profesjonalna-pielegnacja-domowa/li...
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