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Nathan Goodyear

The Complex Role of Estrogens in Inflammation - 0 views

edrv.endojournals.org/...521.full

estrogens inflammation

shared by Nathan Goodyear on 14 Aug 12 - No Cached
  • These studies suggest inflammation-dependent up-regulation of ERβ relative to ERα.
  • up-regulation of ERβ relative to ERα under hypoxic conditions, which might lead to a preponderance of signaling through ERβ pathways
  • it seems that E2 at periovulatory to pregnancy levels inhibited proinflammatory cytokines from PBMCs
  • ...26 more annotations...
  • it is clear that E2 can stimulate antibody production by B cells, probably by inhibiting T cell suppression of B cells
  • In cycling women, the largest quantities of Ig were detected before ovulation
  • In contrast, E2 at high concentrations leads to a suppression of B-lymphocyte lineage precursors
  • E2 at periovulatory to pregnancy serum levels is able to stimulate antibody secretion under healthy conditions but also in autoimmune diseases, whereas similar serum levels of E2 lead to a suppression of bone marrow B cell lineage precursors
  • In chronic inflammatory disorders, where B cells play a decisive role, E2 would promote the disease when autoaggressive B cells are already present, whereas chronically elevated E2 would inhibit initiation of an autoimmune disease when no such B cells are available. This might be a good reason why particularly B cell-dependent diseases such as SLE, mixed connective tissue disease (Sharp syndrome), IgA nephropathy, dermatitis herpetiformis, gluten sensitive enteropathy, myasthenia gravis, and thyroiditis appear in women in the reproductive years, predominantly, in the third or fourth decades of life
  • Th17 cells are thought to be the main responsible cells for chronic inflammatory tissue destruction in autoimmune diseases
  • IFN-γ, IL-12, and TNF were allocated to Th1 reactions
  • IL-4, IL-5, and IL-10 to Th2 responses
  • antiinflammatory T regulatory cells producing TGF-β and proinflammatory T helper type 17 cells (Th17) producing IL-17
  • no direct effects of estrogens on Th17 cells or IL-17 secretion have been described until now.
  • So-called Th17 cells producing IL-17 are the main T cells responsible for chronic inflammation.
  • Because IFN-γ has been allocated a Th17-inhibiting role (Fig. 1⇑), its increase by E2 at pregnancy doses and the E2-mediated inhibition of TNF must be viewed as a favorable effect in chronic inflammation
  • in humans and mice, E2 at periovulatory to pregnancy levels stimulates IL-4, IL-10, and IFN-γ but inhibits TNF from CD4+ T cells
  • In humans and mice, E3 and E2, respectively, at pregnancy levels inhibit T cell-dependent delayed type hypersensitivity
  • increased IL-4, IL-10, and IFN-γ in the presence of low TNF support an antiaggressive immune response
  • secretion of IL-1β is increased at periovulatory/proestrus to early pregnancy levels, whereas IL-1 secretion is inhibited at high pregnancy levels
  • The dichotomous effect of E2 on IL-1β and TNF at high and low concentrations is most probably due to inhibition of NF-κB at high concentrations
  • experiments with mouse and rat macroglial and microglial cells demonstrate that E2 at proestrus to pregnancy levels exerts neuroprotective effects by increasing TGF-β and by inhibiting iNOS and NO release, and reducing expression of proinflammatory cytokines and prostaglandin E2 production.
  • E2 at periovulatory to pregnancy levels inhibits NF-κB activation, which must be viewed as an antiinflammatory signal
  • It was shown that E2 concentrations equal to or above 10−10 m are necessary to inhibit NF-κB activation
  • important proinflammatory cytokines are typically inhibited at periovulatory (proestrus) to pregnancy levels of E2, which is evident for IL-6, IL-8, and TNF
  • low E2 concentrations were demonstrated to have no or even stimulatory effects
  • This renders a woman in the postmenopausal phase to a more proinflammatory situation
  • most in vitro studies demonstrated a stimulatory effect of E2 on secretion of IL-4, IL-10, and TGF-β typically at periovulatory to pregnancy levels
  • E2 at periovulatory to pregnancy levels has an ameliorating effect on chronic inflammatory diseases as long as B cell-dependent immunity or an overshooting fibrotic tissue repair process do not play a crucial pathogenic role. However, when the B cell plays an important role, E2 might even stimulate the disease process as substantiated by flare-ups in SLE during pregnancy
    • Nathan Goodyear
      Nathan Goodyear on 15 Aug 12
       
      SLE, mixed connective tissue disease (Sharp syndrome), IgA nephropathy, dermatitis herpetiformis, gluten sensitive enteropathy, myasthenia gravis, and thyroiditis
  • Short-term administration of E2 at pregnancy levels was shown to induce an inflammatory response specific to the lateral prostate of the castrated male rat
  • Nathan Goodyear on 14 Aug 12
     
    great review of the complex interaction between Estrogens and inflammation.  Reference here is in females.
Nathan Goodyear

Intravenous Ascorbate as a Tumor Cytotoxic Chemotherapeutic Agent - 0 views

www.seanet.com/...d_hypotheses_1995-v44-p207.htm

vitamin C cancer IV vitamin C ascorbic acid

shared by Nathan Goodyear on 05 Mar 18 - No Cached
  • There is a 10 — 100-fold greater content of catalase in normal cells than in tumor cells
  • induce hydrogen peroxide generation
  • Ascorbic acid and its salts (AA) are preferentially toxic to tumor cells in vitro (6 — 13) and in vivo
  • ...36 more annotations...
  • related to intracellular hydrogen peroxide generation
  • only be obtained by intravenous administration of AA
  • Preferentially kills neoplastic cells
  • Is virtually non-toxic at any dosage
  • Does not suppress the immune system, unlike most chemotherapy agents
  • Increases animal and human resistance to infectious agents by enhancing lymphocyte blastogenesis, enhancing cellular immunity, strengthening the extracellular matrix, and enhancing bactericidal activity of neutrophils and modulation of complement protein
  • Strengthens the structural integrity of the extracellular matrix which is responsible for stromal resistance to malignant invasiveness
  • 1969, researchers at the NCI reported AA was highly toxic to Ehrlich ascites cells in vitro
  • In 1977, Bram et al reported preferential AA toxicity for several malignant melanoma cell lines, including four human-derived lines
  • Noto et al reported that AA plus vitamin K3 had growth inhibiting action against three human tumor cell lines at non-toxic levels
  • Metabolites of AA have also shown antitumor activity in vitro
  • The AA begins to reduce cell proliferation in the tumor cell line at the lowest concentration, 1.76 mg/dl, and is completely cytotoxic to the cells at 7.04 mg/dl
  • the normal cells grew at an enhanced rate at the low dosages (1.76 and 3.52 mg/dl)
  • preferential toxicity of AA for tumor cells. >95% toxicity to human endometrial adenocarcinoma and pancreatic tumor cells (ATCC AN3-CA and MIA PaCa-2) occurred at 20 and 30 mg/dl, respectively.
  • No toxicity or inhibition was demonstrated in the normal, human skin fibroblasts (ATCC CCD 25SK) even at the highest concentration of 50 mg/dl.
  • the use of very high-dose intravenous AA for the treatment of cancer was proposed as early as 1971
  • Cameron and Pauling have published extensive suggestive evidence for prolonged life in terminal cancer patients orally supplemented (with and without initial intravenous AA therapy) with 10 g/day of AA
  • AA, plasma levels during infusion were not monitored,
  • the long-term, oral dosage used in those experiments (10 g/day), while substantial and capable of producing immunostimulatory and extracellular matrix modulation effects, was not high enough to achieve plasma concentrations that are generally cytotoxic to tumor cells in culture
  • This low cytotoxic level of AA is exceedingly rare
  • 5 — 40 mg/dl of AA is required in vitro to kill 100% of tumor cells within 3 days. The 100% kill levels of 30 mg/dl for the endometrial carcinoma cells and 40 mg/dl for the pancreatic carcinoma cells in Figure 2 are typical
  • normal range (95% range) of 0.39-1.13 mg/dl
  • 1 h after beginning his first 8-h infusion of 115 g AA (Merit Pharmaceuticals, Los Angeles, CA), the plasma AA was 3.7 mg/dl and at 5 h was 19 mg/dl. During his fourth 8-h infusion, 8 days later, the 1 h plasma level was 158 mg/dl and 5 h was 185 mg/dl
  • plasma levels of over 100 mg/dl have been maintained in 3 patients for more than 5 h using continuous intravenous infusion
  • In rare instances of patients with widely disseminated and rapidly proliferating tumors, intravenous AA administration (10 — 45 g/day) precipitated widespread tumor hemorrhage and necrosis, resulting in death
  • Although the outcomes were disastrous in these cases, they are similar to the description of tumor-necrosis-factor-induced hemorrhage and necrosis in mice (52) and seem to demonstrate the ability of AA to kill tumor cells in vivo.
  • toxic effects of AA on one normal cell line were observed at 58.36 mg/dl and the lack of side effects in patients maintaining >100 mg/dl plasma levels
  • Although it is very rare, tumor necrosis, hemorrhage, and subsequent death should be the highest priority concern for the safety of intravenous AA for cancer patients.
  • Klenner, who reported no ill effects of dosages as high as 150 g intravenously over a 24-h period
  • Cathcart (55) who describes no ill effects with doses of up to 200 g/d in patients with various pathological conditions
  • following circumstances: renal insufficiency, chronic hemodialysis patients, unusual forms of iron overload, and oxalate stone formers
  • Screening for red cell glucose-6-phosphate dehydrogenase deficiency, which can give rise to hemolysis of red blood cells under oxidative stress (57), should also be performed
  • any cancer therapy should be started at a low dosage to ensure that tumor hemorrhage does not occur.
  • patient is orally supplementing between infusions
  • a scorbutic rebound effect can be avoided with oral supplementation. Because of the possibility of a rebound effect, measurement of plasma levels during the periods between infusions should be performed to ensure that no such effect takes place
  • Every effort should be made to monitor plasma AA levels when a patient discontinues intravenous AA therapy.
  • Nathan Goodyear on 05 Mar 18
     
    Older study, 1995, but shows the long-standing evidence that IVC preferentially is cytotoxic to cancer cells.`
Nathan Goodyear

JAMA Network | JAMA | Menopausal Hormone Therapy and Health Outcomes During the Interve... - 0 views

jama.jamanetwork.com/article.aspx

WHI hormone hormones therapy health women

shared by Nathan Goodyear on 02 Oct 13 - No Cached
  • Nathan Goodyear on 02 Oct 13
     
    This study cannot make the conclusion AT ALL.  They claim to say hormones should not be used to prevent chronic disease. Yet, the study they use to support this statement, the WHI, did not look at hormones.  The WHI looked at premarin and medroxyprogesterone acetate, a progestin.  They are not the hormones the body makes. Second, the WHI looked at women that were 6 years postmenopausal, on average, and then they added in bad drugs, disguised as hormone like, and then were dosed high.   If one desires to truly make a statement of prevention, one needs to pre-empt testing and therapy before disease.  Additionally, the study needs to match the hormones needed at the right physiologic level in the right balance.   One must also ensure proper hormone metabolism and know hormone receptor status.  This study does non of the above and the conclusion of this study is irrelevant.  In fact, I think the authors of this study have undergone scientific malpractice in their conclusions.
Nathan Goodyear

Ibuprofen alters human testicular physiology to produce a state of compensated hypogona... - 0 views

www.pnas.org/...1715035115.full

ibuprofen Testosterone epigenetics hormones low Testosterone low T

shared by Nathan Goodyear on 09 Jan 18 - No Cached
  • The levels of LH in the ibuprofen group had increased by 23% after 14 d of administration
  • This increase was even more pronounced at 44 d, at 33%
  • We found an 18% decrease (P = 0.056) in the ibuprofen group compared with the placebo group after 14 d (Fig. 1A) and a 23% decrease (P = 0.02) after 44 d (Fig. 1C). Taken together, these in vivo data suggest that ibuprofen induced a state of compensated hypogonadism during the trial, which occurred as early as 14 d and was maintained until the end of the trial at 44 d
  • ...27 more annotations...
  • We first investigated testosterone production after 24 and 48 h of ibuprofen exposure to assess its effects on Leydig cell steroidogenesis. Inhibition of testosterone levels was significant and dose-dependent (β = −0.405, P = 0.01 at 24 h and β = −0.664, P < 0.0001 at 48 h) (Fig. 2A) and was augmented over time
  • The AMH data show that the hypogonadism affected not only Leydig cells but also Sertoli cells and also occurred as early as 14 d of administration
  • Sertoli cell activity showed that AMH levels decreased significantly with ibuprofen administration, by 9% (P = 0.02) after 14 d (Fig. 1B) and by 7% (P = 0.05) after 44 d compared with the placebo group
  • Examination of the effect of ibuprofen exposure on both the ∆4 and ∆5 steroid pathways (Fig. 2B) showed that it generally inhibited all steroids from pregnenolone down to testosterone and 17β-estradiol; the production of each steroid measured decreased at doses of 10−5–10−4 M. Under control conditions, production of androstenediol and dehydroepiandrosterone (DHEA) was below the limit of detection except in one experiment with DHEA
  • Measuring the mRNA expression of genes involved in steroidogenesis in vitro showed that ibuprofen had a profound inhibitory effect on the expression of these genes (Fig. 3 B–D), consistent with that seen above in our ex vivo organ model. Taken together, these data examining effects on the endocrine cells confirm that ibuprofen-induced changes in the transcriptional machinery were the likely reason for the inhibition of steroidogenesis.
  • Suppression of gene expression concerned the initial conversion of cholesterol to the final testosterone synthesis. Hence, expression of genes involved in cholesterol transport to the Leydig cell mitochondria was impaired
  • A previous study reported androsterone levels decreased by 63% among men receiving 400 mg of ibuprofen every 6 h for 4 wk
  • We next examined the gene expression involved in testicular steroidogenesis ex vivo and found that levels of expression of every gene that we studied except CYP19A1 decreased after exposure for 48 h compared with controls
  • the changes in gene expression indicate that the transcriptional machinery behind the endocrine action of Leydig cells was most likely impaired by ibuprofen exposure.
  • Together, these data show that ibuprofen also directly impairs Sertoli cell function ex vivo by inhibiting transcription
  • ibuprofen use in men led to (i) elevation of LH; (ii) a decreased testosterone/LH ratio and, to a lesser degree, a decreased inhibin B/FSH ratio; and (iii) a reduction in the levels of the Sertoli cell hormone AMH
  • The decrease in the free testosterone/LH ratio resulted primarily from the increased LH levels, revealing that testicular responsiveness to gonadotropins likely declined during the ibuprofen exposure. Our data from the ex vivo experiments support this notion, indicating that the observed elevation in LH resulted from ibuprofen’s direct antiandrogenic action
  • AMH levels were consistently suppressed by ibuprofen both in vivo and ex vivo, indicating that this hormone is uncoupled from gonadotropins in adult men. The ibuprofen suppression of AMH further demonstrated that the analgesic targeted not only the Leydig cells but also the Sertoli cells, a feature encountered not only in the human adult testis but also in the fetal testis
  • ibuprofen displayed broad transcription-repression abilities involving steroidogenesis, peptide hormones, and prostaglandin synthesis
  • a chemical compound, through its effects on the signaling compounds, can result in changes in the testis at gene level, resulting in perturbations at higher physiological levels in the adult human
  • The analgesics acetaminophen/paracetamol and ibuprofen have previously been shown to inhibit the postexercise response in muscles by repressing transcription
  • Previous ex vivo studies on adult testis have indeed pointed to an antiandrogenicity, only on Leydig cells, of phthalates (41), aspirin, indomethacin (42), and bisphenol A (BPA) and its analogs
  • ibuprofen’s effects were not restricted to Leydig and Sertoli cells, as data showed that the expression of genes in peritubular cells was also affected
  • short-term exposure
  • In the clinical setting, compromised Leydig cell function resulting in increased insensitivity to LH is defined as compensated hypogonadism (4), an entity associated with all-cause mortality
  • compensated hypogonadic men present with an increased likelihood of reproductive, cognitive, and physical symptoms
  • an inverse relationship was recently reported between endurance exercise training and male sexual libido
  • AMH concentrations are lower in seminal plasma from patients with azoospermia than from men with normal sperm levels
  • inhibin B is a key clinical marker of reproductive health (32). The function of AMH, also secreted by Sertoli cells, and its regulation through FSH remain unclear in men
  • the striking dual effect of ibuprofen observed here on both Leydig and Sertoli cells makes this NSAID the chemical compound, of all the chemical classes considered, with the broadest endocrine-disturbing properties identified so far in men.
  • after administration of 600 mg of ibuprofen to healthy volunteers
  • 14 d or at the last day of administration at 44 d
  • Nathan Goodyear on 09 Jan 18
     
    ibuprofen alters genetic expression that results in decreased Testosterone production.
indiacardiacsurg

Get Highly Sophisticated Care At Best Pacemaker Doctor at Fortis Escorts Hospital Delhi - 0 views

ny.biznet-us.com/12246413

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shared by indiacardiacsurg on 21 Jan 22 - No Cached
  • indiacardiacsurg on 21 Jan 22
     
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https://www.sightcare-co.com/ - 0 views

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  • fitspresso on 27 Sep 23
     
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shared by fitspresso on 27 Sep 23 - No Cached
  • fitspresso on 27 Sep 23
     
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R O M Knee Brace - 0 views

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shared by wheelchairindia9 on 21 Mar 16 - No Cached
  • wheelchairindia9 on 21 Mar 16
     
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  • wheelchairindia9 on 24 Apr 15
     
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PF Night Splint Derotation - 0 views

www.wheelchairindia.com/...PF-Night-Splint-Derotation

Understanding The Role Of Treating Night Splints plantar fascia and intrinsic musculature Derotation foot splinting provides support to the knee multiple orthopedic problems Less slippage of product

shared by wheelchairindia9 on 21 Mar 16 - No Cached
  • wheelchairindia9 on 21 Mar 16
     
    PF Night Splint (Derotation) Applications Prevention and correction of foot drop. Night splint for early healing. Ambulatory, can be used as a day splint. Perfect post-operative immobilisation and derotation. Peroneal / Peritibial nerve or muscle damage. Ankle or Plantar flexion contracture and functional alignment. Can be used to protect the diabetic/ injured ankle & foot. PF Night Splint (Derotation) Features Removable de-rotation bar. Moulded foot casing, aesthetically pleasing and durable. Effective Liner, improved comfort. Highly functional Design, customized degree of dorsiflexion. Double strapping mechanism, better grip.
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PDA expresses concerns as Boots decides to cut opening hours at some pharmacies - Lates... - 0 views

www.pharmacy.biz/ening-hours-at-some-pharmacies

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shared by pharmacybiz on 20 Jan 22 - No Cached
  • pharmacybiz on 20 Jan 22
     
    The Pharmacists' Defence Association (PDA) has expressed concerns over Boots UK's decision to reduce supplemental opening hours at some pharmacies. The association stated: "Some pharmacists and other staff at Boots are being notified this week of changes to opening hours at their place of work, with local briefings taking place. The PDA are supporting their members to deal with any potential impact on their employment." It said that reducing pharmacy opening hours would affect patients' access to a trusted healthcare professional, especially if it is being done by the largest community pharmacy multiple. It even called upon the NHS to adequately fund community pharmacies to ensure they remain open when patients and local communities need their services. Meanwhile, Boots management has informed PDA that most of its employees are not pharmacists, and "less pharmacists are expected to be directly impacted by these changes than other colleagues," PDA said.
Nathan Goodyear

Testosterone for the aging male; current evidence and recommended practice - 0 views

www.ncbi.nlm.nih.gov/...PMC2544367

leptin Testosterone low T low Testosterone male hormone hormones

shared by Nathan Goodyear on 27 Oct 14 - No Cached
  • Total serum testosterone consists of free testosterone (2%–3%), testosterone bound to sex hormone binding globulin (SHBG) (45%) and testosterone bound to other proteins (mainly albumin −50%)
  • Testosterone binds only loosely to albumin and so this testosterone as well as free testosterone is available to tissues and is termed bioavailable testosterone
  • Testosterone bound to SHBG is tightly bound and is biologically inactive
  • ...13 more annotations...
  • Bioavailable and free testosterone are known to correlate better than total testosterone with clinical sequelae of androgenization such as bone mineral density and muscle strength
  • peak levels seen in the morning following sleep, which can be maintained into the seventh decade
  • Samples should always be taken in the morning before 11 am
  • The reliable measurement of serum free testosterone requires equilibrium dialysis. This is not appropriate for clinical use as it is very time consuming and therefore expensive.
  • With increasing age, a greater number of men have total testosterone levels just below the normal range or in the low-normal range. In these patients total testosterone can be an unreliable indicator of hypogonadal status.
  • It is advised that at least two serum testosterone measurements, taken before 11 am on different mornings, are necessary to confirm the diagnosis.
  • Patients with serum total testosterone consistently below 8 nmol/l invariably demonstrate the clinical syndrome of hypogonadism and are likely to benefit from treatment. Patients with serum total testosterone in the range 8–12 nmol/l often have symptoms attributable to hypogonadism and it may be decided to offer either a clinical trial of testosterone treatment or to make further efforts to define serum bioavailable or free testosterone and then reconsider treatment. Patients with serum total testosterone persistently above 12 nmol/l do not have hypogonadism and symptoms are likely to be due to other disease states or ageing per se so testosterone treatment is not indicated.
  • Total testosterone levels fall at an average of 1.6% per year whilst free and bioavailable levels fall by 2%–3% per year.
  • With advancing age there is also a reduction in androgen receptor concentration in some target tissues and this may contribute to the clinical syndrome of LOH
  • Metabolic clearance declines with age
  • Gonadotrophin levels rise during aging (Feldman et al 2002) and testicular secretory responses to recombinant human chorionic gonadotrophin (hCG) are reduced
  • There are changes in the lutenising hormone (LH) production which consist of decreased LH pulse frequency and amplitude, (Veldhuis et al 1992; Pincus et al 1997) although pituitary production of LH in response to pharmacological stimulation with exogenous GnRH analogues is preserved
  • the decreases in testosterone levels with aging seem to reflect changes at all levels of the hypothalamic-pituitary-testicular axis
  • Nathan Goodyear on 27 Oct 14
     
    Leptin inhibits male Testosterone production at the level of the hypothalamus and at the testicle level.
Nathan Goodyear

Longitudinal Effects of Aging on Serum Total and Free Testosterone Levels in Healthy Me... - 0 views

press.endocrine.org/...jcem.86.2.7219

low t low Testosterone Testosterone SHBG FAI free androgen index male hormone hormones aging obesity

shared by Nathan Goodyear on 30 Mar 15 - No Cached
  • NUMEROUS CROSS-SECTIONAL INVESTIGATIONS have demonstrated lower concentrations of circulating testosterone (T) and/or free T in older men
  • Two small-scale longitudinal investigations have observed decreases, with aging, in total T
  • T levels decline at a more or less constant rate, with age, in men, with no period of accelerated decline
  • ...15 more annotations...
  • aging in men is associated with decreases in bone mineral density (BMD) (18, 19), lean body and muscle mass
  • strength (22, 23) and aerobic capacity (24), as well as with increases in total and abdominal body fat, low-density lipoprotein cholesterol, and/or low-density lipoprotein/high-density lipoprotein cholesterol ratios (25, 26, 27, 28), all of which also occur in nonelderly hypogonadal men
  • Most (1, 5, 6, 7, 8, 9), but not all (10, 11, 12), cross-sectional studies have demonstrated a decrease, with age, in total T in men
    • Nathan Goodyear
      Nathan Goodyear on 30 Mar 15
       
      FAI: 100 x total Testosterone nmol/L/SHBG nmol/L
    • Nathan Goodyear
      Nathan Goodyear on 30 Mar 15
       
      These numbers do point to an increase in ng/dl decline in Total Testosterone with increasing age (decade group)
  • total T, but not free T index, tended to decrease with greater BMI is consistent with prior studies showing that obesity is associated with decreases in both SHBG and total T, with an unchanged T-to-SHBG ratio
  • The conventional definition for T levels is statistical (values more than 2 sd below the mean), rather than functional. Such a definition does not reflect clinical realities, such as the existence of characteristic individual set points for circulating hormone levels, below which one, but not another, individual may develop metabolic changes of hormone deficiency; nor does it address the concept of reserve capacity, the possibility that persons with hormone levels 2 sd below the population mean still may have adequate hormone concentrations to meet their metabolic needs.
    • Nathan Goodyear
      Nathan Goodyear on 30 Mar 15
       
      good explanation of problems with just using a number to define low T
  • both T and free T index (a calculated value related to free or bioavailable T) decreased progressively at a rate that did not vary significantly with age, from the third to the ninth decades.
  • contrasts with other studies showing diminished free, as well as total, T in with increasing total (48) or abdominal (49) obesity in men.
  • Our analysis of date-adjusted T and free T index levels, by decade, showed that relatively high numbers of older men in this generally healthy population had at least one hypogonadal value (defined as below the 2.5th percentile for young men)
  • The issue of how properly to define hypogonadism, or indeed any hormone deficiency, remains problematic
  • The decrease in free T index was somewhat steeper than that of total T, owing to a trend for an increase in SHBG with age
  • LH for gonadal function
  • It would clearly be better to define the lower limit of normal for a hormone as: the blood level at which metabolic and/or clinical sequelae of hormone deficiency begin to appear, or the level below which definite benefits can be demonstrated for hormone supplementation for a significant proportion of the population
  • an effect of aging to lower both total and bioavailable circulating T levels at a relatively constant rate, independent of obesity, illness, medications, cigarette smoking, or alcohol intake
  • Nathan Goodyear on 30 Mar 15
     
    Article highlights the problems with the definition of low T.  This article finds consistent decline in Total Testosterone and FAI with increasing age groups, with a significant portion of men > 60 meeting the required levels for "low T".  This study found a decrease in total T and FAI at a consistent rate independent of variables, such as BMI.    This study did find a decrease in SHBG and total T with obesity; in contrast to other studies.
wheelchairindia9

Transport Chairs - 0 views

www.wheelchairindia.com/...TRAVEL-WHEELCHAIR

Transportation Wheelchair For Problems of People with Disabilities best transport wheelchairs benefits that transport wheelchairs Transport wheelchairs are machines Transport Wheelchairs Are Less Bulky

shared by wheelchairindia9 on 21 May 15 - No Cached
  • wheelchairindia9 on 21 May 15
     
    Lightweight wheelchairs provide convenience and comfort to the user and caregiver alike and are often built using materials like aluminum and titanium alloy, while foldable wheelchairs allow for easy storage and transport. Merge the two styles, and got a great mobility aid that isn't a pain to lug around. Utilizing small wheels and lighter materials, transport wheelchairs can tip the scale at as little as 19 lbs, ideal for those looking for a highly portable option. Transport chairs also tend to be more affordable and offer the benefit of increased mobility without breaking the bank. This type of lightweight wheelchair is often referred to as a "transfer chair" and is typically used for shorter trips. Since it's geared towards storability and portability, it features four smaller wheels and dispenses with the larger, rear-mounted wheels that characterize standard wheelchairs. Its construction ensures that it's always foldable and portable, but does so at the expense of self-propulsion. Instead, a transport chair is built so that a caregiver can easily push the user. Transport wheelchairs or companion chairs are companion wheelchairs where the purpose is for a companion to push the user. Most transporters have swing-away leg rests, fixed armrests, and side panels. Instead of the usual 'large back - small front' wheels typical of most wheelchairs, light travel chairs have four small wheels providing much easier maneuverability of the chair. Karma Travel Wheelchair KM TV 20.2: Karma Travel Wheelchair KM TV 20.2 - 606 T-6 aircraft-grade aluminum-alloy frame provides incredible strength. Easy-to-fold in three seconds. Karma Travel Wheelchair KM TV 20.2 Features: Type: Travel Wheelchair. T-6 aircraft-grade aluminum. Secure brake improve safety. Padded flip back armrest. PU front caster & rear wheel. Karma Travel Wheelchair KM TV 20.2 Measurements: Weight: 8.9kg. Seat width: 39.5cm. Tyre: PU front casters and rear wheels. Capacity: 100
Nathan Goodyear

http://www.andrologyjournal.org/cgi/rapidpdf/jandrol.112.016386v1.pdf - 0 views

www.andrologyjournal.org/...jandrol.112.016386v1.pdf

T:E2 testosterone:Estradiol ratio hormone hormones seasonal variations variation men

shared by Nathan Goodyear on 15 Oct 12 - No Cached
  • Nathan Goodyear on 15 Oct 12
     
    This study looked at T:E2 levels in men for seasonal fluctuations.  What is interesting, is that the T:E2 ratio is at it's lowest during the fall months and highest during the summer months.  This does conflict somewhat with studies that have looked at seasons fluctuations of T alone.  But, it does correlate with changes in body habitus and activity levels.
Nathan Goodyear

Risk Factors Associated With Cardiovascular Events During Testosterone Administration i... - 0 views

biomedgerontology.oxfordjournals.org/...153.abstract

testosterone low T low testosterone inflammation CVD cardiovascular

shared by Nathan Goodyear on 12 Feb 13 - No Cached
  • Nathan Goodyear on 12 Feb 13
     
    This study proves the problems rampant in science today.  This study looked at older men with mobility limitations: safe to say, not optimal health.  They give 10 grams of testosterone daily to these men.  Physiologic doses are 5-10 mg.  And they are surprise that there is an increase in side effects, here in this study CVD.  They did look at cytokines, I'll give them that; but they did not look at aromatase activity and E2, E1 levels which have been shown to be the driving forces behind these inflammatory cytokines in men.  Testosterone has in fact been shown to downregulate these inflammatory cytokines.  Poor study.  No conclusion can be taken from this study.
Management Health Solutions Inc

Webinar: Focusing on the Big Picture of Your Supply Chain Yields Compelling Financial R... - 0 views

upcoming.yahoo.com/...fairfield

mhs events

shared by Management Health Solutions Inc on 24 Oct 12 - No Cached
  • Management Health Solutions Inc on 24 Oct 12
     
    Continuous changes in the healthcare reimbursement criteria require executives across the industry to focus on enterprise-wide changes that have a positive effect on supply chain savings. It's a complex problem and it's easy to get distracted on one issue when having the ability to see a clear BIG picture of your entire supply chain is what can lead to the most dramatic results and return on investments. Register for MHS' webinar on November 01 (2:00pm EST) to learn about how their customers experience an average 4:1 ROI with continual savings into the millions and a positive financial impact to their bottom line through inventory reduction, avoidance of obsolete and expired inventory, improved charge capture for each patient, and physician preference card optimization. Click on http://bit.ly/UvD3nq Presenters *Michael Ferris: Co-Founder, MHS with over 30 years of supply chain management experience *Steve Basiliere: Former Director of Supply Chain Services at Saints Medical Center, Lowell, MA *Art Kozyrovicius: Finance and Procurement Systems Support at New York-Presbyterian Hospital, New York, NY WHY ATTEND? Join a unique discussion with healthcare supply chain thought leaders and understand how to drive significant and sustainable supply chain operational improvements. Get a jump on making an immediate and positive impact on your bottom line as you head into 2013. Register by clicking on http://bit.ly/UvD3nq Note: Event will be online, through WebEx Please Register at http://bit.ly/UvD3nq
Nathan Goodyear

Arthritis Research & Therapy | Abstract | Restoration of regulatory and effector T cell... - 0 views

arthritis-research.com/...abstract

lupus SLE vitamin D D3 vitamin D Th1 Th17 inflammation autoimmune disease autoimmunity arthritis

shared by Nathan Goodyear on 28 Oct 12 - No Cached
  • Nathan Goodyear on 28 Oct 12
     
    Vitamin D supplementation in those individuals with SLE found to benefit these patients.   Vitamin D found to reduce TH1 and Th17 activity.  It also was found to decrease memory B cells and auto-antibodies.  Also of note is the level of vitamin D after therapy-only at 51.4 at 2 months and 41.5 at 6 months.
Nathan Goodyear

[Evaluation of relationships between pla... [Pol Merkur Lekarski. 2014] - PubMed - NCBI - 0 views

www.ncbi.nlm.nih.gov/...24645572

low T Testosterone andropenia hypogonadism metabolic syndrome men male hormones

shared by Nathan Goodyear on 01 Apr 14 - No Cached
  • Nathan Goodyear on 01 Apr 14
     
    Men with Metabolic Syndrome have lower Total Testosterone values.  Symptoms correlated with age: older men associated with increased symptoms.  This study only found lot T at 6.5%.  The authors in this study have come up with a new box--andropenia.  I don't know what the heck that is and how that helps clients.  If symptoms are present and if levels are on the decline, then symptomatic hypogonadism is present.  I know the logic seems simple, but it appears hard to follow in the science.  I don't see this any different then type II diabetes.  At 126 you have diabetes, but at 125, we don't know what to do with you but see us next year and you will have diabetes and we will know what to do because you are in the box of diabetes.
wheelchairindia9

Karma Ergo 115 Wheelchair - 0 views

disabilityproduct.in/...Karma-S-Ergo-115-Wheelchair

Ergo S-Shape Seating System For Handicapped foldable and easy to store Karma Ergo 115 Wheelchair detachable foot rest washable and dry able cushions Karma Ergo 305 Wheelchair footrest for maximum safety

shared by wheelchairindia9 on 04 Sep 15 - No Cached
  • wheelchairindia9 on 04 Sep 15
     
    Ergo Wheelchair features an ergonomic "S" shaped seat that provides the perfect shape to fit the human body to relieve pressure, increase stabilization, weight distribution and lower the risk of pressure sores and scoliosis. Ergonomic wheelchair series provides users with a large selection of ultra lightweight wheelchairs that can help improve life. This series has features that include a high strength lightweight frame, foldable and easy to store, breathable anti-bacterial, anti-staining, removable and machine washable cushion. Also includes the exclusive S-Shape Seating System, which provides increased stability, better weight distribution and lowers the risk of pressure sores and spinal injury. Karma S Ergo 115 Wheelchair: This model features our S-Shape Seating System and is our number one best seller for many reasons. At a mere 11.3 kg in weight with detachable foot rest and many features such as removable machine washable and dry-able cushions treated by AEIGIS treated anti-microbial coated seating system. Karma S-Ergo 115 Wheelchair Features: Ergonomic Handrims & S-Shape Ergonomic Seating System Fixed armrest w/ wider concave armpads Swing In & Away Footrests Backrest Pouch attached to the upholstery 24" flat free polyurethane tires, high tread, flat free wheels Seat width: 16"x17" or 18"x17" or 20"x 17" Silver 1/4" Aegis Anti-Bacterial Upholstery, washable Folding backrest / folding seat for easy traveling "Tube-in Center" foot-plate, assures better side leg support High strength, starting weight at only 11.3 kg. (w/o footrests) 7×1" Polyurethane front casters Upholstery: Black breathable mesh bottom & top AEIGIS Frame Color: Pearl Silver or Rose Red Weight Capacity of 115 kg. Karma S-Ergo 115 Wheelchair Measurements: Seat Width 16 inch., 18 inch., 20 inch. Seat Depth 17 inch. Armrest Height 8 inch. Seat Height 19 inch. Back Height 17 inch. Overall Height 36 inch. Overall Open Width 23 inch., 25 inch., 27 inch
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