Animal models. Male Wistar rats weighing 200–250 g were obtained from the Animal Center of National Cheng Kung University Medical College. STZ-induced diabetic rats, used as a type 1 diabetes model, were prepared by administering an intravenous injection of STZ (Sigma Chemical, St. Louis, MO) (60 mg/kg) to male Wistar rats aged 8–10 weeks after the animals were fasted for 3 days. Rats with plasma glucose concentrations ≥20 mmol/l in addition to polyuria and other diabetic features were considered to have type 1 diabetes, tramadol p free missouri. All studies were carried out 2 weeks after the injection of STZ. All animal procedures were performed according to the Guide for the Care and Use of Laboratory Animals of the National Institutes of Health as well as the guidelines of the Animal Welfare Act. Experimental protocols. Experiment 1: tramadol p free missouri, Effect of tramadol on plasma glucose, tramadol and ibuprofin. The rats were divided into two groups for the investigation, tramadol p free missouri. After fasting overnight, STZ-induced diabetic rats in group 1 received an intravenous injection of tramadol (Pairon Pharmaceuticals, Kaohsiung City, Taiwan) at the desired doses, and blood samples (0.1 ml) were collected under sodium pentobarbital anesthesia (30 mg/kg i.p.) from the tail vein for measurement of plasma glucose. In the preliminary experiments, tramadol was found to produce the maximal plasma glucose–lowering effect in STZ-induced diabetic rats 30 min after injection. Thus, the effects of tramadol on plasma glucose, , insulin, tramadol p free missouri, and C-peptide were determined using blood samples collected at 30 min after the injection, tramadol dosage human. STZ-induced diabetic rats receiving a similar injection of vehicle at the same volume were used as controls and defined as group 2. Further experiments were performed with pharmacological inhibitors, either naloxone or naloxonazine, tramadol p free missouri, which were obtained from Research Biochemical (Natick, MA). These inhibitors were intravenously injected into fasted rats 30 min before the injection of tramadol. Experiment 2: tramadol p free missouri, Investigation for the role of 5-hydroxytrptamine in the action of tramadol, tramadol and ibuprofin. STZ-induced diabetic rats received an intravenous injection of p-chlorophenylalanine (PCPA) at 300 mg/kg once daily for 3 successive days. The control group received the same volume of vehicle in the schedule. Changes of 5-hydroxytrptamine (5-HT) were followed by the levels of 5-HT and 5-hydroxyindole acetic acid (5-HIAA) in plasma obtained from STZ-induced diabetic rats receiving PCPA or vehicle. Determination of 5-HT or 5-HIAA was performed by electrochemical detection as previously reported (14), tramadol fo9r back pain. Then, tramadol p free missouri, plasma glucose–lowering activity of tramadol (50 μg/kg) in STZ-induced diabetic rats receiving PCPA was compared with that in vehicle-treated STZ-induced diabetic rats. Also, STZ-induced diabetic rats receiving oral administration of fluoxetine (Eli Lilly) at 20 mg/kg were used to estimate the alteration in plasma glucose (15). Experiment 3: Effects of tramadol on glucose utilization. The effects of tramadol on glucose uptake were studied using the uptake of radioactive glucose analog, 2-[1-14C]deoxy-d-glucose (2-DG), in isolated soleus muscle of STZ-induced diabetic rats, tramadol p free missouri. Hepatocytes isolated from another group of STZ-induced diabetic rats were also used to determine the effect of tramadol on [14C]glucose incorporation into glycogen. Experiment 4: Effect of tramadol on gene expression, ultram buy cod. STZ-induced diabetic rats were given injections of vehicle, tramadol p free missouri, tramadol (50 μg/kg), naloxone (10 μg/kg), tramadol p free missouri, or both naloxone and tramadol every 8 h, three times daily, into the tail vein. In the preliminary experiments, tramadol was found to significantly modify the mRNA and protein levels for GLUT4 and PEPCK in STZ-induced diabetic rats after 4 days of treatment, tramadol fo9r back pain. Thus, tramadol p free missouri, the effects of tramadol on gene expression of GLUT4 and PEPCK were determined using samples collected after 4 days of treatment. Normal rats received a similar treatment of vehicle and were used as controls. After the final treatment, animals were killed without fasting. Liver and soleus muscle were immediately removed, , frozen in liquid nitrogen, tramadol p free missouri, and stored at −70°C for Northern and Western blot analysis. Blood samples were also collected from the femoral vein of these rats before they were killed. Laboratory determinations, tramadol fo9r back pain. Blood samples (0.1 ml) were collected by a chilled syringe containing 10 IU heparin from the tail vein of the rats while they were under anesthesia with sodium pentobarbital (30 mg/kg i.p.). Concentration of plasma glucose was measured by the glucose oxidase method via an analyzer (Quik-Lab; Ames/Miles, tramadol p free missouri, Elkhart, IN) (16). Radioimmunoassay (RIA) was performed to measure plasma insulin or C-peptide using a commercial kit from Linco (St. Charles, MO). A plasma sample from an STZ-induced diabetic rat was added with standard insulin or C-peptide to raise the level into the detectable range of RIA. The given value was obtained by subtracting the added standard from the measured value, tramadol fo9r back pain. Measurement of glucose uptake into soleus muscle. Soleus muscle was isolated from STZ-induced diabetic rats and divided into long longitudinal strips (35–25 mg per strip) as previously described (17). After a 30-min preincubation period, the muscle tissue was transferred to fresh incubation flasks with or without the presence of antagonist (either naloxone or naloxonazine) at appropriate concentrations for 30 min at 37°C and then incubated with tramadol at the desired concentrations at 37°C for another 30 min under continuous shaking at 40 cycles/min. The muscle tissue was subsequently incubated with 50 μl Krebs-Ringer bicarbonate buffer (KRBB) containing 2-DG (1 μCi/ml) (NEN Research, Boston, MA) for 5 min at 37°C. Reactions were terminated by quickly blotting the muscles and dissolving them in 0.5 ml of 0.5 N NaOH for 45 min before neutralization with 0.5 ml of 0.5 N HCl. After centrifugation, tramadol p free missouri, 800 μl of each supernatant was mixed with 1 ml aqueous counting scintillant (ASC; Amersham, Arlington Heights, IL) and the radioactivity was determined using a β-counter (Beckman LS6000, Beckman, Fullerton, CA) (17), tramadol and ibuprofin. Uptake of 2-DG, assessed after preincubation of the muscle with 20 μmol/l cytochalasin B (Sigma Chemical), was subtracted from the total muscle–associated radioactivity (18). Specific 2-DG uptake was expressed as the percentage of basal uptake that was obtained from soleus muscle incubated with KRBB only. Measurement of glycogen synthesis in hepatocytes, tramadol p free missouri. Hepatocytes were prepared as previously described (19), ultram buy cod. After the 30-min preincubation period in KRBB at 37°C, tramadol p free missouri, 2 × 106 hepatocytes were transferred to fresh incubation flasks containing [U-14C]glucose (0.25 μCi/ml) (NEN Research), with or without the presence of antagonist, at appropriate concentrations for 30 min at 37°C and then incubated with tramadol at the desired concentrations at 37°C for 1 h, which was the optimal time obtained from preliminary experiments under continuous shaking. The incorporation of [U-14C]glucose into glycogen was determined by ethanol precipitation (20). Label incorporation into glycogen was expressed as the percentage of basal level that was obtained from hepatocytes incubated with KRBB only. Northern blotting analysis. Total RNA was extracted from liver or soleus muscle of experimental animals using the Ultraspec-II RNA extraction system (Bioteck, Houston, TX). For Northern blotting analysis, RNA (20 μg) was denatured by heating at 55°C for 15 min in a solution containing 2.2 mmol/l formaldehyde and 50% formamide (vol/vol). Aliquots of total RNA were then size-fractionated in a 1.2% agarose/formaldehyde gel. Ethidium bromide staining was used to identify the position of the 18S and 28S rRNA subunits and to confirm that equivalent amounts of undegraded RNA had been loaded. The RNA was transferred to a Hybond-N membrane (Amersham, Bucks, U.K.). GLUT4 and PEPCK mRNA levels were detected using random prime-labeled full-length cDNA under stringent hybridization conditions. Intensity of the mRNA bands on the blot was quantified by scanning densitometry (Hoefer, San Francisco, tramadol p free missouri, CA), tramadol in urine drug screening. The response of β-actin was used as an internal standard, tramadol p free missouri. Western blot analysis, tramadol and ibuprofin. After homogenization of liver and skeletal muscle using a glass/Teflon homogenizer, the homogenates (50 μg) were separated by SDS-PAGE, , and Western blot analysis was performed as previously described (17) using either anti-rat antibody to bind GLUT4 (1:1,000) (Genzyme Diagnostics, Cambridge, MA) in skeletal muscle or another anti-rat antibody (1:1,000) to bind PEPCK in liver. Blots were incubated with the appropriate peroxidase-conjugated secondary antibodies. After removal of the secondary antibody, blots were washed as described above and developed by autoradiography using the ELC-Western blotting system (Amersham, Braunschweig, Germany). Densities of the obtained immunoblots were quantified using a laser densitometer, with GLUT4 at 45 KDa and PEPCK at 69.5 KDa. Statistical analysis. The plasma glucose–lowering activity was determined in rats that received tramadol injection under anesthesia. Data are expressed as the means ± SE for the number (n) of animals in each group, as indicated in the tables and figures. Repeated measures of analysis of variance were used to analyze the changes in plasma glucose and other parameters. Where appropriate, the Dunnett range post hoc comparisons were used to determine the source of significant differences, tramadol p free missouri. The concentration for 50% effect (ED50) was obtained from nonlinear regression analysis. P < was considered statistically significant.
Karen had an advanced case of breast cancer when her friend asked her to see me. Doctors had given up hope on her and wouldn't operate and told her it was too late to treat her, tramadol p free missouri. She was looking for some sort of alternative health solution for the pain she was in, not the cancer, since she knew her time was limited.
At the time, , I knew of nothing that could be used for the pain, tramadol p free missouri. In alternative health practice, the answer to reducing pain is to eliminate the cause of the pain, tramadol p free missouri, and in Karen's case, this solution looked pretty grim. Certainly one could try supportive measures such as increase CoQ10 and germanium levels that would oxygenate the tissues and possibly activate some healing, , or try using acupuncture to open all the right energy channels for healing energy to flow through, tramadol p free missouri. But as far as an actual pain relief formula for cancer goes, that drew a big blank.
I find that by posing questions during the day in my mind, tramadol p free missouri, answers always seem to pop up and sometimes they do within a few days. Sometimes the answer comes in a matter of minutes.
How can cancer patients get pain relief? Certainly there must be an answer out there. Enough people have gone through the ravages of cancer and someone must have tried something that worked for at least 10 to 25% of those suffering from cancer.
The answer came through an indirect way. A friend had told me about her journey through life the last year, watching four of her good friends die of cancer, tramadol and ibuprofin. It was heart-wrenching to see her friends suffer. She began searching for pain relief solutions for cancer patients. After a few months, she found one.
I learned that pain from cancer ruins the quality of life they have, and does it rapidly. One-third to almost a half of all cancer patients experience moderate to severe pain during their bout of cancer. In those with advanced cases of cancer, that percentage jumps to between 70 and 90%. The sad news is that cancer survivors can continue to suffer from the pain years later. What an unfair situation that is, to have recovered from cancer and then be left with the pain and no solution for pain relief anywhere!
My friend found an herbal combination that was specifically designed by Chinese herbalists to control the cancer pain. It was actually designed as a pain relief solution for cancer victims. She had recommended it to some people who used the herbal pain relief formula and it had worked quite well, tramadol p free missouri, she said.
Some of the herbs included in the formula are Notoginseng, Red Sage, Red Peony, Cnidium and other analgesic herbs. As a master herbalist, , I knew there were herbs that could interact with the nervous system and some that had the capability to decrease substance P, tramadol p free missouri, the substance responsible for pain sensations, , but had never been taught what herbs to mix together to accomplish the degree of pain relief that cancer patients needed. It makes total sense physiologically and herbally that an all natural herbal formula could make a difference in pain management.
The good news was that the Chinese had already created the pain relief formula for cancer pain, tramadol dosage human. As an herbalist, if you come across a formula that works, the rule is leave it alone! Use it.
I was sad that Karen, the woman with advanced breast cancer, moved away and was unreachable for me to share the good news. But the thought of helping others find a solution for pain relief for cancer was important enough to write this article.
By: Dr. Donna Schwontkowski
About the Author:
|
