David Hoffman, FNIMH, AHG
See book keywords and concepts |  It is considerably larger than most glycosaminoglycans, reaching molecular weights greater than one million. hyaluronic acid is formed by the successive addition of glucuronic acid and Af-acetylglucosamine residues to the ends of a growing chain. hyaluronic acid is usually found in a complex with protein. c^o I
CH3
Fig. 4.6. Hyaluronic acid
Hyaluronic acid is a universal component of the extracellular fluid that fills the spaces between the cells of body tissues. Extracellular fluid is packed with proteins (collagen) and glycosaminoglycans. |
Thomson Healthcare, Inc.
See book keywords and concepts |  An in vitro study determined that procyanidins inhibit the activities of some proteolytic enzymes (collagenase, elastase) involved in the degradation of the main structural components of the extra-vascular matrix, collagen, elastin, and hyaluronic acid (Facino et al, 1994).
Cytotoxic Effects: One study reported a Grape Seed extract exhibited cytotoxicity toward some cancer cells (Joshi et al, 1998). An abstract reported that Grape Seed extract exerted a chemopreventive effect on adenomas polyposis coli gene mutation-associated intestinal adenoma formation. | | Drubaix I; Maraval M; Robert L; Robert AM. hyaluronic acid (hyaluronan) levels in pathological human saphenous veins. Effects of procyanidol oligomers. Pathol Biol (Paris) Jan;45(l):86-91. 1997.
Facino MR, Carini M, Aldini G, et al. Free radicals scavenging action and anti-enzyme activities of procyanidines from Vitis viniferct: a mechanism for their capillary protective action (German). Arzneimittelforschung; 44(5):592-601. 1994.
Frankel EN, Kanner J, German JB et al. Inhibition of oxidation of human low-density lipoprotein by phenolic substances in red wine. Lancet; 34(8843)1:454-457. 1993. | | The sulfate salt of glucosamine forms half of the disaccharide subunit of keratan sulfate, which is decreased in osteoarthritis, and of hyaluronic acid, which is found in both articular cartilage and synovial fluid (Leffler et al 1999).
Supplemental glucosamine is generally used to reduce pain and immobility associated with osteoarthritis, especially in the knee joint. The supplements are usually derived from crab shells, although a corn source is also available. Most studies of osteoarthritis have used the sulfate form of glucosamine (D'Ambrosio et al 1981; Pujalte et al 1980). |
The Life Extension Editorial Staff
See book keywords and concepts |  Hyaluronic acid helps the skin retain its youthful moisture via a different mechanism than Ceraphyl GA-D. hyaluronic acid maintains the integrity of the connective tissue because it is a source of manganese and glucosomine. Injectable hyaluronic acid may one day replace injectable collagen, but this important skin-preserving nutrient is available without a prescription today in ovet-the-counter skin creams.
The ability of skin to hold moisture is directly related to its sodium pyrrilidone carboxylic acid (NaPCA) content. NaPCA is one of the skin's most important natural moisturizers. |
Thomson Healthcare, Inc.
See book keywords and concepts | | A diminished growth rate, stimulation of hyaluronic acid, and increased chondroitin sulfate was seen after incorporation of the total triterpenic fraction of Centella asiadca into human embryonic fibroblasts (Del Vecchio et al, 1984).
Antineoplastic Effects: The fresh plant juice has moderate cytotoxic actions on human ascites tumor cells, but little, if any other antitumor effects (Jacker et al, 1982). Cytotoxic and antitumor effects of Centella asiatica involve direct action on DNA synthesis. The development of solid and ascites tumors was decreased by the herb (Babu, 1985). |
Bottom Line Health
See book keywords and concepts | | Approved by the US Food and Drug Administration (FDA), Res-tylane is a bioengineered, nonanimal, stabilized hyaluronic acid. It is almost identical to a substance found naturally in the body, making it safe to have repeat procedures.
I like to combine Restylane treatments with Botox. Although many people associate Botox skin injections with the "frozen" look sometimes seen on the faces of film stars, I prefer to use it more judiciously to relax muscles and give the face a destressed look.
Note: I do not recommend silicone injections to smooth the skin. |
Byron J. Richards, CCN
See book keywords and concepts |  We may add a nutrient such as hyaluronic acid. hyaluronic acid signals genes to help synthesize new cells as well as act as a connective tissue raw material itself.676 Our goal is not only to reduce pain but also to improve the response to exercise, especially to find a level of support that helps a person do strength-training exercise.
When we can get a person with fibromyalgia onto a strength-training program and get a good response to that program, we can fix their problem. |
Tori Hudson, N.D.
See book keywords and concepts |  Intravesical heparin, hyaluronic acid, and intravesical PPS are other options.
Experimental therapies are being explored, including electrical nerve stimulation to activate the inhibitory circuits and decrease the sensation of pain, intravesical injection of botulinium toxin, gene therapy, and nerve growth-factor inhibitors. Surgical interventions are currently considered a last resort. These include surgical removal of visible ulcers, laser denervation, or removing a part of the colon and attaching it to the bladder to increase bladder capacity. |
David Hoffman, FNIMH, AHG
See book keywords and concepts | | This forms a gel-like matrix in which proteins are embedded and through which water, oxygen, and solutes have to pass to get to the cells. hyaluronic acid is the main component of this extracellular matrix. hyaluronic acid solutions have remarkable viscosity and tensile properties. When no pressure is applied to the solution, it is highly viscous and rigid. If pressure is applied, the water is squeezed out and the strands move past one another. Thus, hyaluronic acid solutions behave as biological shock absorbers in connective tissue. |
Thomson Healthcare, Inc.
See book keywords and concepts | | Wound Healing Effects: hyaluronic acid (HA), which is synthesized by fibroblasts, promotes proliferation of epithelial cells. Oral glucosamine may enhance HA synthesis, thus accelerating healing and minimizing scarring in fresh wounds (McCarty 1996). clinical trials
Knee PainJOsteoarthritis
Results continue to vary among studies investigating the efficacy of glucosamine for the treatment of knee osteoarthritis. |
Paula Begoun and Bryan Barron
See book keywords and concepts |  This intercellular structure is made up of many different components, ranging from ceramides to lecithin, glycerin, polysaccharides, hyaluronic acid, sodium hyaluronate, sodium PCA, collagen, elastin, proteins, amino acids, cholesterol, glucose, sucrose, fructose, glycogen, phospholipids, glycosphingolipids, glycosaminoglycans, and many more. All of these give the skin what it needs to keep its cells intact. Just adding water is meaningless if the intercellular matrix is damaged. | | In addition, limited in vitro and in vivo studies have shown that topically applied soybean seed extract increases collagen and hyaluronic acid synthesis in aging skin (Sources: Photochemistry and Photobiology, May-June 2005, pages 581-587; and Journal of Cosmetic Science, September-October 2004, pages 473-479), but that is true of lots of antioxidants, not just soy. | | This cream does leave a smooth, dry finish on skin, but that won't come close to the results obtained from a collagen or hyaluronic acid injection, or even a better-formulated moisturizer from any number of companies.
Step 2 brings us the "wrinkle-filling treatment," which is to be applied after the cream in Step 1. This product's formula is composed primarily of different forms of silicone. It has the texture of soft spackle, and comes in single-dose packaging (providing three weeks' worth of usage). This is a waste of time and money. | | The amounr of vitamins in this lipstick is negligible relative to the other standard ingredients, and vitamins won't add volume to lips, at least not in any way close to what collagen or hyaluronic acid dermal injections can accomplish. But that doesn't mean this isn't a wotthwhile lipstick. It has a wonderfully creamy feel and imparts opaque color that doesn't feel thick or greasy, although the formula is slick enough to feather into lines around the mouth. The shade selection favors pinks and reds, so unless you're looking for soft, sheer colors, most of the options ate atttactive. | | Second, Liquid Skin's silicone-heavy formula lacks several essential components that comprise skin's structure, including lipids (such as cholesterol), hyaluronic acid, and even good old-fashioned glycerin. Instead, Brandt included tiny amounts of amino acids and even smaller amounts of ceramides and soybean sterols. They look good on the label, but will have minimal impact on skin in the amounts used. Moreover, the mandarin orange peel oil can cause irritation, and has nothing to do with encouraging skin to replenish itself. |
Hyla Cass
See book keywords and concepts |  An alternative is injections of hyaluronic acid, a building block of healthy cartilage that quite a few of my patients have benefited from. A variation on this is prolotherapy. It consists of an injection into the joint of an irritant such as a sugar solution to create more collagen growth, which stabilizes the joint. This can stop the degenerative process and eliminate the pain.
Old-guard NSAIDs include aspirin, naproxen, indomethacin, piroxicam, diclofenac, diflunisal, etodolac, fenoprofen, ketoprofen, ketorolac, mec-lofenamate, nabumetone, tolmetin, and mefenamic acid. |
Byron J. Richards, CCN
See book keywords and concepts | | We may add a nutrient such as hyaluronic acid. hyaluronic acid signals genes to help synthesize new cells as well as act as a connective tissue raw material itself.676 Our goal is not only to reduce pain but also to improve the response to exercise, especially to find a level of support that helps a person do strength-training exercise.
When we can get a person with fibromyalgia onto a strength-training program and get a good response to that program, we can fix their problem. |
J. Douglas Bremner
See book keywords and concepts |  Chondroitin stimulates the production of proteoglycans and hyaluronic acid and inhibits proteolytic enzymes, which destroy cartilage. Chondroitin and glucosamine are often given in combination for osteoarthritis.
Most of the earlier studies of glucosamine and chondroitin were performed by manufacturers and were not well controlled. |
Hyla Cass, M.D.
See book keywords and concepts | | An alternative is injections of hyaluronic acid, a building block of healthy cartilage that quite a few of my patients have benefited from. A variation on this is prolotherapy. It consists of an injection into the joint of an irritant such as a sugar solution to create more collagen growth, which stabilizes the joint. This can stop the degenerative process and eliminate the pain. |
Bill Sardi
See book keywords and concepts |  When young, humans produce large amounts of hyaluronic acid. Cancer occurs in the latter years of life, when HA levels in the body are low.
The research of Dr. Mary Helen Barcellos-Hoff at the Life Sciences Division, Lawrence Berkeley Laboratory, in Berkeley, California, helps to reveal the anti-cancer properties of HA and connective tissue in general. Ionizing radiation (often given off by x-rays) is a known cancer promoter, particularly in breast tissue. Radiation damages the matrix of material that surrounds cells, the HA and collagens. | | To learn more about hyaluronic acid and cancer, see chapter 13 in this book on Specialized nutrients (non-vitamin).
Cancer: Is it inherited?
Can a person be genetically predisposed to develop cancer? While there are inherited genes for cancer, hereditary forms of cancer represent no more than 10% of all cases. Except for certain types of cancer that follow along family lines, such as polyps in the digestive tract, the contribution of heredity to the onset of cancer is thought to be relatively minor. | | Does hyaluronic acid promote or accelerate the spread of cancer? ... 424
Melatonin: The sleep hormone that prolongs survival... 425
Melatonin as cancer therapy ... 427
Supplemental melatonin helps overcome symptoms during cancer treatment... 427
What impairs melatonin production? ... 427
Melatonin and chemotherapy side effects... 428
Cancer patients and sleep problems ... 428
Melatonin enhancement... 428
Does melatonin enhancement really protect against cancer? ... 428
Zeolites ... 429
Probiotics (beneficial bacteria) and cancer... |
Tori Hudson, N.D.
See book keywords and concepts | | The GAG studies with published trials include PPS (pentosan polysulfate sodium) Elmiron,13-19 heparin,20 and hyaluronic acid (Cystostat).21 These studies showed treatment efficacy over placebo for each of these treatments. No studies have been published on over-the-counter preparations of chondroitin sulfates and glucosamine preparations; however, a link has been established between chondroitin and IC.22 A GAG in the form of N-acetyl glucosamine or glucosamine sulfate can be used as part of a multifactorial approach to repair the bladder epithelium. |
Bill Sardi
See book keywords and concepts | | Hyaluronic acid and cancer... 416
Beyond cancer cells... 416
The revealing experiment... 416
Shark cartilage disappointing ... 418
HA's dual role ... 418
Cancer and blood levels of HA ... 418
How does HA break down? ... 419
Using hyaluronidase to treat cancer... 419
HA intercepts cancer cells... 420
Bladder tumors and HA ... 420
Prostate cancer and HA ... 420
Specialized Nutriens
(nonvitamin) p 404 - 430
Skin cancer and HA ... 421
Breast cancer and chondroitin ... 421
Size of HA and cancer... 421
Blocking the cancer receptor site ... 421
Cancer find hailed ... | | Stone proposed that hyaluronic acid (HA) and the entire matrix of connective tissue is an important barrier against the growth and spread of tumors. Stone wrote that anything that helps to retain the viscosity (consistency) of HA increases the body's resistance to tumors, whereas enzymes like hyaluronidase, stimulated by infection or radiation exposure, encourage tumors. [Medical Hypotheses 20: 117-24, 1986]
Cancer Promoter
Other 1% Consumer Products 3% Nuclear Medicine 4%
HA is a molecule comprised of glucuronic acid and glucosamine that gels water. |
J. Douglas Bremner
See book keywords and concepts | | Chondroitin stimulates the production of proteoglycans and hyaluronic acid and inhibits proteolytic enzymes, which destroy cartilage. Glucosamine and chondroitin are often combined and sold in health-food stores.
One placebo-controlled study in older males with osteoarthritis of the knee showed no difference in pain ratings between patients treated with glucosamine and those treated with placebo.34 Glucosamine was also associated with more side effects, including loose stools, nausea, heartburn, and headache. |
Paula Begoun and Bryan Barron
See book keywords and concepts | | It is designed to be used for lines around the mouth and on the lips, and does have a temporary tightening and smoothing effect. Use on lips demands a follow-up application of a lipstick, balm, or gloss because it can make them feel uncomfortably dty.
© Lip Firm Gloss SPF 15 ($11 for 0.3 ounce) lacks the UVA-protecting ingredients of titanium dioxide, zinc oxide, avobenzone, Tinosorb, or Mexoryl SX, and is not tecommended.
© $$$ Glow Younger Clear Self Tanner for Face & Body ($25 for 3 ounces) contains a glycol that aids in penetration of the self-tanning agent dihydroxyacetone. |
Paula Begoun
See book keywords and concepts |  Glycerin, sorbitol, glycols, mucopolysaccharides, hyaluronic acid, sodium PCA, propylene glycol, and glycosphingolipids, among others, attract water from the air to the hair shaft and help keep it there, giving hair bounce and a feeling of fullness. Humectants work in conjunction with quats and conditioning agents to keep static cling at a minimum and give hair a softer, thicker feel. These also help keep the hair's natural water content intact, particularly in dry climates. Glycerin and propylene glycol, among other glycols, are inexpensive and effective protective agents for hair. |
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