Male Infertility and Glutathione

Are You Half The Man Your Father Was?It is asuperoxide dismutase.Some amount of all the
well-known fact that sperm counts have dropped byantioxidant enzymes, which may protect
half in the last 50 years, and that modern men havespermatozoa from oxidative attack, are also made
20 percent less semen volume than their fathersby the epididymis during storage.The glutathione
(BMJ, 1992, volume 305).A recent report fromperoxidase/reductase enzymes play a central role in
researchers in Aberdeen presented preliminary datathe defense against oxidative damage in human
that suggests the sperm concentration of the mensperm.Why is Glutathione important for Sperm
seen in their clinic had declined by 29% over the pastQuality and Fertility?A decrease in levels of reduced
14 years. (British Fertility Society; 5 Januaryglutathione (GSH) during sperm production is known
2004)Persistent organic pollutants (POPs) andto disrupt the membrane integrity of spermatozoa
endocrine-disrupting chemicals from normal, everydaydue to increased oxidative stress.Intracellular
plastics are known to cause reproductive damage, asglutathione levels of spermatozoa are known to be
documented in Theo Colborn's book "Our Stolendecreased in certain populations of infertile men.
Future."Damage to sperm caused by exposure toCompared with a control group, the infertile men in all
common chemicals like alcohol, pesticides in food, hasgroups had significantly higher levels of ROS and
been linked to lowered intelligence and behaviorallower levels of total antioxidants.There is strong
disorders in children.Lifestyle risk factors known toclinical evidence to show that men diagnosed with
decrease sperm quality include> Cigarette smoking>infertility have high levels of oxidative stress that
Alcohol consumption> Chronic stress> Nutritionalmay impair the quality of their sperm.In some groups,
deficiencies.Other reasons for infertility includehigher levels of ROS were associated with lower
congenital factors, and health conditions like prostatitissperm counts and defective sperm structure, while
and diabetes that can affect spermlower antioxidant levels correlated with reduced
production.Pollution is stealing our future, and there'ssperm movement.Previous evidence has also shown
little anyone can do to avoid it. There may not be athat oxidative stress can decrease a sperm's life
lot you can do to reduce your exposure tospan, its motility, and its ability to penetrate the
persistent environmental toxins.But there are definiteoocyst, or egg cell.Up to 40% of men with
measures you can take to reduce the impact of theunexplained male infertility have higher levels of free
environmental pollutants and toxins on your body.Youradical activity in their bodies.Because men with high
can prevent and, to a certain extent, repair thelevels of ROS have a seven-fold lower likelihood of
damage they cause to your body, through a betterinducing a pregnancy than men with lower levels,
lifestyle and nutrition.Some nutritional therapies andresearchers recommend that treatment for infertile
antioxidants that have proven beneficial in treatingmen should include strategies to reduce oxidative
male infertility and improving sperm counts, spermstress and improve sperm quality.How can
morphology and motility include:> Carnitine> Arginine>Glutathione help in the Treatment of
Zinc> Selenium> Vitamin B-12> Vitamin C> Vitamin E>Infertility?Glutathione is not only vital to sperm
Glutathione> Coenzyme Q10Studies show thatantioxidant defenses, but selenium and glutathione
anti-oxidant supplementation - glutathione in particularare essential to the formation of "phospholipid
- can improve sperm quality, and possibly increasehydroperoxide glutathione peroxidase" - an enzyme
your chances of conceiving.If you smoke, drink, arepresent in spermatids - which becomes a structural
exposed to stress, chemicals, radiation, pesticides orprotein in the mid-piece of mature
take medication or drugs (like sulfasalazine,spermatozoa.When either substance is deficient, it
ketoconazole, azulfidine, anabolic steroids, marijuana)can lead to instability of the mid-piece of the
that affect fertility, you should consider taking anspermatozoa, resulting in defective motility.Free
antioxidant supplement to reverse some of theradical scavengers - such as glutathione - that restore
damage.Why are Antioxidants Important for Spermthe structure and function of poly-unsaturated fatty
Quality?Mammalian spermatozoa are coated by aacids (PUFA) in the cell membrane, can be used to
membrane rich in polyunsaturated fatty acids. Thesetreat these cases.In a double-blind cross-over study
fatty acids are extremely susceptible to oxidativeof twenty infertile men, treatment with glutathione
damage by free radicals or Reactive Oxygen Speciesled to a statistically significant improvement of the
(ROS) by a process called lipid peroxidation (LPO).Lipidsperm quality.The study concerned men in whom the
peroxidation damages the sperm cell membrane. It issperm quality was poor due to unilateral varicocele or
considered to be the key mechanism of ROS-inducedgerm-free genital tract inflammation - two conditions
sperm damage and leads to> Loss of sperm motility>in which ROS or other toxic compounds are indicated
Abnormal sperm morphology> Reduced capacity foras causative factors.Treatment with glutathione was
oocyte penetration> InfertilityTo protect sperm fromalso found to have a statistically significantly positive
damage, the body depends on powerful antioxidanteffect on sperm motility (in particular forward
enzymes in the body such as superoxide dismutasemotility) and on sperm morphology.The findings of
(SOD), catalase, and glutathione peroxidasethese studies indicate that glutathione therapy could
reductase (GPX/GRD).Seminal plasma andrepresent a possible therapeutical tool in cases where
spermatozoa have several antioxidant enzymes -ROS or exposure to toxins is the probable cause of
glutathione peroxidase, glutathione reductase,infertility.