, 2012) Here, we show that fine details in seabirds’ behaviour c

, 2012). Here, we show that fine details in seabirds’ behaviour can be obtained from these loggers when considering data in the temporal dimension. Acquiring these data was only possible because of the fertile cross-pollination between cutting-edge techniques: advanced

light-based geolocation for prolonged tracking and a novel use of discontinuous (broken stick) beta regression with movement data. Though no cross-validation with in situ measurements could be carried out, our study on oceanic migrants could objectively determine the homing decision date for each tagged individual. Importantly, this method is better than choosing a single estimate of geographic location. Single estimates may be erroneous because of the low spatial accuracy of each GLS location (especially ICG-001 cost during vernal and autumnal equinoxes), or because of erratic movements of the tracked animal, whatever the tracking device used. Our approach is therefore preferable because it takes a broader view of the animal’s movement, and is not dependent upon a single location. It also suggests that valuable information can be extracted

from equinoctial locations, and for this reason that studies should aim at refining them rather than discard them. Previous use of this modelling technique in behavioural ecology has focused on estimating change points for ontogenetic shifts with stable isotope data in seals (Authier et al., 2012). Determining a change point in biological data is 上海皓元 a very broad NVP-AUY922 mouse requirement in ecology and this method is particularly relevant in this context because it also provides a confidence interval around the estimated value (see also Roth et al., 2012).

We recognize that we applied this method in the context of a relatively simple, though fairly general, case of migration: penguins moved relatively directly to their wintering area, and then came back to their colony in a straightforward manner. In the case of animals performing more complex migration schemes (such as other seabirds, e.g. Shaffer et al., 2006), it might be necessary to conduct this analysis on a truncated portion of the track where the looked-for change point is likely to occur, or to enhance the model to account for the possibility of several change points in the dataset. Further research to understand why male eudyptid penguins are able to forgo 9 days of foraging at sea to return to land earlier than females, would require monitoring energetics at sea throughout the wintering period, possibly using heart rate recording (Green et al., 2009). Such data would help inform as to whether males are more efficient in the manner that they utilize their wintering areas. Indeed, male macaroni penguins tend to dive deeper than females during winter (Green et al., 2005), which may confer male eudyptids a slightly higher potential foraging ability than females at that time.

Another crucial part of our project is to expand screening for HB

Another crucial part of our project is to expand screening for HBV. Screening for HBV will be performed at the Commune Health Centers and at the gathering points indicated in Task 1. After the screening, recommendations will be made to individuals with negative results who are not immune to do the vaccination series either at the Commune Health Center, or at the office of their primary care physician, or through Z-VAD-FMK cost the community screening events that are part of our project. Three vaccination shots are required within a six-month period. Patients with test results that show that they have chronic infection with HBV will

be referred to the Commune Health Centers, to primary care physicians, or to physician specialists for assessment. In addition, as part of this task we will work to help ensure that all hospitals and clinics have in place a written policy for newborn hepatitis B vaccination,

and that health-care providers are knowledgeable about this standard of care. Since the prevalence of HCV infection is suspected to be higher than 2% overall, HCV screening should also take place in the initial sites for HBV screening. Based on the data for the first 5000 patients screened for HBV and HCV, a decision can be made on whether to call for nationwide HCV screening or to focus on high-risk groups only. CHB can be effectively treated in a TSA HDAC cell line way that leads to durable viral suppression and reversal of liver disease, substantially decreasing the risk of progression to cirrhosis, liver cancer, death, or the need for liver transplantation. CHC is also treatable and in some cases curable. Educational programs and materials will be developed to help ensure that up-to-date information on treating CHB and CHC is available

to Commune Health Centers, primary care physicians, physician specialists, and private health care providers so an appropriate treatment program can be recommended to patients who are screened and found to have chronic infection with one or both viruses. Alcoholic liver disease (ALD) is another major contributor to the overall burden of liver disease in Viet Nam. ALD in combination with CHB and/or CHC is an even more serious disease. Educational materials on alcoholic liver medchemexpress disease and resources available for addressing it will be developed as part of this project. In addition, we will look into setting up a consultation network concerning alcoholic liver disease. A key step for countering liver disease in Viet Nam will be to address the current high risk of infection with hepatitis viruses from re-use of contaminated needles, syringes, and inadequately sterilized medical equipment in health-care settings, including not only in both public and private hospitals, clinics, and physician’s offices but also in traditional medicine practices.

7% (4 out of 109 patients), the mean value of the program was est

7% (4 out of 109 patients), the mean value of the program was estimated 4,1 ± 0,2%. HE occurred in 11 (10.1%) patients, the estimated risk rate was 10,8 ± 0,3%. Bleeding from the EGV in early postshunting period was observed in 4 (3.7%) patients, the estimated risk for this group was 4,2 ± 0,2%. Increase the risk of ascites according to the program was 13,2 ± 0,5%, the true value was 12.8% (14).

Mortality was 3.7% (4), whereas the calculated risk was 4,1 ± 0,2%. Summary of calculated survival according to the program amounted to 91,2 ± 0,4%, while the true figure – 93.0%. After the central shunting the true frequency of liver failure was 3.8% (3 out of 80 patients), value of the program 3,6 ± 0,1%. HE occurred in 12 (15.0%) patients, the estimated risk rate was 16,2 ± 0,4%. Bleeding from the EGV in early BGB324 ic50 postshunting period was observed in 2 (2.5%) patients, the estimated risk for this group was 2,7 ± 0,1%. Increase the risk of ascites according to the program was 5,9 ± 0,2%, while the true value was 6.3% (5). Mortality was 2.5% (2), whereas the calculated risk was 2,8 ± 0,1%. Summary survival was calculated – 90,2 ± 0,3%, while the true figure is also not significantly different –

91.2%. Conclusion: Thus, the developed integrated risk assessment program of cirrhotic patients, allows to calculate the risk of developing specific postshunting complications, mortality, survival selleckchem and prognosis, with accuracy equal to 85,6–98,3% – for selective types of bypass surgery and 88,0–98,9% – options for central decompression. Key Word(s): 1. LIVER CIRRHOSIS; Presenting Author: FERUZGAFUROVICH NAZIROV Additional Authors: DEVYATOVANDREY VASILEVICH, BABDJANOVAZAM HASANOVICH Corresponding 上海皓元医药股份有限公司 Author: FERUZGAFUROVICH NAZIROV Affiliations: Republican Specialized Center of Surgery named after acad. V.Vahidov Objective: Degree of progression of the pathological process in

the liver in the absence of the risk of bleeding from esophageal and gastric varices (EGV) is a main predictor of survival in patients with liver cirrhosis (LC). In view of generally accepted indications for liver transplantation, which should be performed in patients with decompensated LC, compensated state function of hepatocytes allows for dynamic monitoring with conservative therapy. Against this background, nivelation of the risk of hemorrhagic syndrome is a priority task for the solution of which will reduce the need for liver transplantation or to delay its implementation. Methods: To assess the severity and prognosis of survival after portosystemic shunt (PSSh) used MELD. Analyzed figures from 32 patients operated on at 2011 and traced for a year after PSSh. The mean age was 30,97 ± 3,12 years. Results: Before PSSh mean value MELD score was 10,19 ± 0,24 points. Implementation of PSSh in the immediate postoperative period did not result in a significant deterioration of the MELD (10,94 ± 0,23).

Therefore, truncated Bid may preferentially activate Bak rather t

Therefore, truncated Bid may preferentially activate Bak rather than Bax in the liver. However, the present study also reveals that, in the absence of Bak, Bax plays an essential role in mediating the early onset of hepatocellular apoptosis. The most important finding of this study is that Bak/Bax deficiency failed to protect against the late onset of liver injury after Jo2 anti-Fas injection as well as Fas agonist injection. Wei et al.,32 in their historical paper establishing the importance of Bak and Bax in the mitochondrial pathway of apoptosis, reported

that hepatocytes were protected from Jo2-induced apoptosis in traditional Bak/Bax DKO mice (bak−/−bax−/−). Because perinatal lethality occurs with most ITF2357 order traditional Bak/Bax DKO mice, they could only analyze three animals, which did not enable detailed analysis of cell death due to Jo2 stimulation. The present study is the first to (1) thoroughly examine the impact of Bak and Bax in the liver using conditional KO mice and (2) demonstrate that Bak/Bax deficiency can protect against Fas-induced severe

injury in the early phase but not in the late phase. The late onset of liver injury Gefitinib observed in Bak/Bax DKO appeared to be apoptosis based on biochemical and morphological observations, including caspase activation, oligonucleosomal DNA breaks and, most importantly, identification of cell death with caspase dependency. In 上海皓元医药股份有限公司 addition, the well-established necrotic pathway mediated by RIP kinase and/or CypD was not involved. However, the difference from apoptosis observed in Bak KO mice was the absence of mitochondrial alteration or cytochrome c–dependent caspase-9 processing in Bak/Bax DKO mice. We also confirmed that Bak/Bax-deficient mitochondria were not capable of releasing cytochrome c in the presence of truncated Bid (Supporting Fig. 5). These data support the idea that activation of the mitochondrial pathway of apoptosis is fully dependent on either Bak or Bax even in the late phase,

indicating at the same time that late onset of apoptosis takes place through an extrinsic pathway rather than the mitochondrial pathway. Although hepatocytes are generally considered to be type II cells, recent work has shown that the requirement of the mitochondrial pathway may be overcome through changes induced by in vitro culture conditions33, 34 or the strength of Fas stimulation.23 Schüngel et al.23 demonstrated that hepatocytes act as type II cells with a low-dose Jo2 injection (0.5 mg/kg) and act as type I cells with an extremely high-dose Jo2 injection (5 mg/kg). This agrees with the generally accepted idea that type I cells exhibit strong activation of DISC and caspase-8, which itself is sufficient to induce apoptosis, whereas type II cells exhibit weak activation and therefore require amplification of the apoptosis signal through the mitochondrial loop. In the present study, we used 1.5 mg/kg or 0.

Fay et al (1986) acknowledged that there would likely be error i

Fay et al. (1986) acknowledged that there would likely be error in assigning individuals to particular age classes. For our purposes, consistent classification of calves and adult females (≥6 yr of age) is important. Calves are darker than walruses in other age classes and lack visible tusks. Furthermore, the tusk/snout width and tusk/snout depth ratios for calves do not overlap the ratios for any other age class (Fig. 2). Hence, calves are clearly identifiable. For older adult female age classes (i.e.,≥10 yr CHIR-99021 supplier of age) the range of values for the tusk ratios overlaps that of 4–5-yr-olds by only 4% for snout

width and 8% for snout depth (Fig. 2). However, the range of tusk ratios for 6–9-yr-olds overlap that for 4–5-yr-olds by approximately 47% for snout width and 50% for snout depth (Fig. 2). Hence, some individuals classified as 4–5 yr old will actually be 6–9 yr old and vice versa. During surveys, observers attempted to classify every member of every group encountered on top of the ice Selleckchem C646 using the relative dimensions of the snout and tusks in the outline drawings (Fig. 1). Walruses in the water were not classified because full

facial views, necessary for classification, were rarely available and the results were biased by the age classes that

were easiest to identify. A “group” was defined as one or more animals on the ice, in a cluster, that was separated from other individuals by at MCE least one adult body length (Estes and Gilbert 1978). We recorded the data from each group separately and included a count of the total group size, time, location, and whether the group was completely classified. We observed groups from the bridge of ships, at heights of ~10–12 m above the ice. The ship approached each group slowly (3–4 kn) from the downwind direction to a minimal distance of ~100–200 m. Usually, as the vessel closed to that distance, each animal in the group raised its head, exposing the tusks and snout to the observers’ view. Two-man observer teams were on regularly scheduled 2 h watches during daylight hours while the ship was underway and visibility was good. During cruises conducted in the 1980s, one member of the observer team used a 16–36 power “zoom” spotting scope on a tripod to identify the sex and age of each animal in the group, while the second observer obtained an accurate count of the total number in the group. Generally, for observer teams in the 1980s, the most experienced member did the classifying, and the other member did the counting and recording.

Approximately half

Approximately half Protein Tyrosine Kinase inhibitor of the potential target genes in both healthy and obese mice were unique to each, suggesting that potential FXR target genes and biological pathways are altered in obesity. Moreover, a large fraction of the potential FXR target genes examined were repressed by ligand-activated FXR, suggesting that direct gene repression by FXR might be more common than previously thought. Additional studies will be required to elucidate the molecular mechanisms by which FXR directly represses these potential genomic targets. The authors are grateful to Dr. Grace L. Guo (University of Kansas Medical Center) for her helpful suggestions

for the ChIP-seq analysis. The authors also thank Ms. Ting Fu for kindly performing Oil Red staining of liver sections. The authors also thank Byron Kemper for his critical comments on the manuscript for this article. Additional Supporting Information may be found in the online version of this article. “
“Defects in human hemochromatosis protein (HFE) cause iron overload due to reduced hepatic hepcidin secretion. Liver transplantation (LT) is a key treatment for potential

complications Everolimus from HFE-related hereditary hemochromatosis (HH). This study evaluated hepcidin secretion and iron burden after LT to elucidate HH pathophysiology. Patients (n = 18) homozygous for the p.Cys282Tyr mutation in the HFE gene underwent LT between 1999 and 2008. Serum iron, serum hepcidin, and hepatic iron concentrations were determined before LT and at the end of follow-up (median 57 months). Mortality and causes of death were determined. Survival was compared to that of the overall patient population that received LT. Before LT, serum hepcidin levels were low (0.54 ± 2.5 nmol/L; normal range: 4-30

nmol/L). After LT, 11 patients had iron evaluations; none received iron depletion therapy; all had normal transferrin saturation. The mean serum ferritin was 185 (±99) μg/L. Magnetic resonance imaging showed that iron overload was absent in nine patients, mild in one patient with metabolic syndrome, and high (180 μmol/g) in one patient with hereditary spherocytosis discovered after LT. At the end of follow-up, serum hepcidin was normal in 10 patients 上海皓元医药股份有限公司 (11.12 ± 7.6 nmol/L; P < 0.05) and low in one patient with iron deficiency anemia. Survival was 83% and 67% at 1 and 5 years, respectively. Survival was similar for patients with HH and patients that received LT for other causes. Conclusion: In HH, LT normalized hepcidin secretion and prevented recurrence of hepatic iron overload. Survival was similar to that of patients who received LTs for other liver diseases. (Hepatology 2014;59:839–847) "
“Pancreatic exocrine insufficiency (PEI) is one of the long-term consequences of chronic pancreatitis (CP). Majority of patients with PEI were undiagnosed or undertreated.

[1, 2] We have demonstrated that PDC-E2, along with other mitocho

[1, 2] We have demonstrated that PDC-E2, along with other mitochondrial autoantigens, are present within the apoptotic blebs from human intrahepatic biliary epithelial cells (HiBECs), but not detected in apoptotic blebs from other human tissues.[21, 22] We have also demonstrated that PDC-E2-specific autoreactive CD4+ and CD8+ T cells exist in peripheral blood and are highly enriched in the liver of PBC patients.[14-17, 23] Taken together, these data suggest that autoreactive T cells play a critical role in the tissue-specific immunopathogenesis of PBC. In addition to these studies based on human clinical specimens, we have used the dnTGFβRII mice with TGFβ signaling

Talazoparib mouse deficiency in the T cells, a mouse model of autoimmune Roxadustat research buy cholangitis that resembles human PBC,[9] to demonstrate that the CD8+ cytotoxic T-cell population with the impaired TGFβ signaling is essential for the development of autoimmune biliary epithelial damage in this model.[18] However, it is unclear whether the pathogenic CD8+ T cells in the liver of dnTGFβRII mice require antigen specificity. To examine the role of antigen specificity in the T-cell-mediated autoimmune cholangitis in the dnTGFβRII mice, we generated two mouse strains, OT-I/dnTGFβRII/Rag1−/− and OT-II/dnTGFβRII/Rag1−/−, in which the entire T-cell repertoire was replaced with either CD8+ or CD4+ T cells specific for

a single irrelevant antigen OVA. We demonstrated that OT-II/dnTGFβRII/Rag1−/−

mice had no inflammation in liver at 24 weeks of age, while the OT-I/dnTGFβRII/Rag1−/− mice had minimal inflammation in portal tract but no autoimmune cholangitis. We further demonstrated that adoptive transfer of CD8+ T cells from OT-I/dnTGFβRII/Rag1−/− mice did not induce cholangitis in the recipient mice. A previous study demonstrated that MCE Rag1−/− recipient mice transferred with CD8+ T cell from Tgfbr2f/f dLcK-Cre mice plus CD4+ T cell from control mice developed more severe autoimmunity compared to the recipients of Tgfbr2f/f dLcK-Cre CD8+ T cells alone.[24] Indeed, isolated CD8+ T cells from OT-I/dnTGFβRII/Rag1−/− had not received CD4+ T cell help during development, while isolated CD8+ T cells from dnTGFβRII had received CD4+ T cell help during development. In addition, consequently, we confirmed that adoptive transfer of CD8+ T cells from OT-I/dnTGFβRII/Rag1−/− mice with CD4+ T cells from OT-II/dnTGFβRII/Rag1−/− mice did not induce cholangitis in recipient mice. We also showed that the TGFβ signaling defect had the same effect on the OT-I/dnTGFβRII/Rag1−/− peripheral CD8 cells as on dnTGFβRII cells—i.e., excess accumulation (higher cell numbers), spontaneous activation (increased CD44), and excessive cytokine production (increased Th1 cytokines). Despite these abnormalities, these cells did not mediate disease upon transfer, nor did they produce excess cytokines without CD4 help.

Multivariate analysis identified HCV genotype 1b, baseline model

Multivariate analysis identified HCV genotype 1b, baseline model for end-stage liver disease (MELD) score, and HCC as independent

predictors of the development of varices in nonresponders and those who did not undergo HCV therapy. There was no association observed with platelet count, albumin, international normalized ratio, or bilirubin with de novo varices. Bruno and colleagues concluded that SVR prevents the development of varices and that endoscopic surveillance can be delayed or avoided in these patients. Finally, they suggest that a more tailored approach based on HCV genotype, MELD score, and HCC would help indentify those patients without SVR who are at higher risk for developing varices and who would benefit from surveillance endoscopy. As with any long-term study, there are several caveats. Although they included patients from three centers, their results may not be generalizable to all patients click here with HCV-induced cirrhosis. Second, because not all patients screened were

included and follow-up was not complete in all patients, there may have been a type 1 error. Also, we were not told of concurrent medications that might affect portal pressures and the development of varices. Nevertheless, this is the largest study with the longest follow-up to date that addresses the impact of SVR on the development of esophageal varices. If these results are confirmed, there are several important implications for future management of cirrhosis in those learn more who achieve SVR. First, this study highlights that those with SVR can still develop HCC and that all subjects

with cirrhosis should continue periodic surveillance for HCC according to accepted guidelines.18 Second, because those with SVR do not develop varices, it may not be necessary to expose these patients to the expense and risks of repeated endoscopies. Third, because beta-blockers used to reduce HVPG do not seem to affect the rate of development of varices,5 the current study is the first to demonstrate a pharmacologic treatment to reduce (or in this case, eliminate) the development of varices. However, before we get too excited, we must remember that current treatment to achieve SVR in those 上海皓元医药股份有限公司 with cirrhosis is difficult and there are often increased side effects, more cytopenias, and lower response rates than those without cirrhosis.6, 19, 20 Therefore, given the cost, both in dollars and resources, the increased side effects, and decreased response rates of HCV therapy, it remains to be determined if the “bang is worth the buck” in this select group of patients. “
“Hepatic ischemia-reperfusion injury (IRI), an innate immunity-driven inflammation response, occurs in multiple clinical settings including liver resection, transplantation, trauma, and shock. T-cell immunoglobulin and mucin (TIM)-4, the only TIM protein not expressed on T cells, is found on macrophages and dendritic cells.

No existing animal model of alcoholic liver disease faithfully re

No existing animal model of alcoholic liver disease faithfully recapitulates the pathological features of advanced forms of PI3K Inhibitor Library supplier AH; therefore, this study aimed to develop an acute-on-chronic alcoholic liver disease model by combining chronic low-dose treatment with carbon tetrachloride (CCl4) or 3, 5-diethoxycarbonyl-1, 4-dihydrocollidine (DDC) to induce hepatic fibrosis with the intragastric alcohol feeding protocol. Methods: We evaluated several study designs using C57BL6/J mice (male, 9 weeks of age). First, increasing duration of CCl4 treatment (0.2 ml/kg, 2× weekly i.p. for up to 6 weeks) were used to induce

chronic liver fibrosis. Second, feeding DDC (up to 0.1 % w/w, 4 weeks) in the diet resulted in chronic liver fibrosis and cholestasis. Alcohol (up to 27 g/ kg/day for up to 28 days) was administered intragastrically at the end of the pro-fibrogenic treatments. Results: We observed increased mortality in the experimental groups which were treated first with CCl4 for 6 weeks then administered alcohol intragastrically in combination with continuous treatment SRT1720 with CCl4 (0.1 ml/kg, 2× week) (CCl4+CCl4+EtOH) and mice treated

with DDC diet for 4 weeks then administered alcohol intragastrically in combination with continuous treatment with DDC diet (0.05 %( w/w), 4 weeks) (DDC+DDC+EtOH). We observed increased exacerbation of liver and kidney injury only in mice of CCl4+CCl4+EtOH group. The liver and kidney histopathological evaluation, as well as other histological and molecular markers were evaluated. Conclusions: High mortality in mice with liver fibrosis that were treated with alcohol was associated with both liver and kidney injury, similar to AH in humans. The mouse models evaluated in this study reproduce features of an acute-on-chronic type clinical scenario with many features of AH. Disclosures: Ramon Bataller – Advisory Committees or Review Panels: Sandhill; Consulting: VTI The following people have nothing to disclose: MCE Shinji Furuya, Takeki Uehara, Yuki Kato, Oksana Kosyk, Gemma Odena,

Hiroshi Kono, Ivan Rusyn Purpose: 5-HT7 receptors, those central effects are well known, are also included in peripheral phenomenon. Paracetamol (PARA) has a reasonable safety profile when consumed in therapeutic doses. However, it could induce hepatotoxicity and even acute liver failure when taken at an overdose. This study aimed to determine potential role of peripheral liver 5-HT7 receptors during PARA induced hepatotoxicity in mice. Methods: 105 mice were divided into 7 groups as each composed of 15 rats: 1) Control, 2) PARA (400 mg/kg, po), 3) PARA+ agonist 5 mg/kg (ip), 4) PARA+ agonist 10 mg/kg (ip), 5) PARA+ antagonist 10 mg/kg (ip), 6) PARA+ antagonist 20 mg/kg (ip), 7) PARA+agonist 10 mg/kg+antagonist 20 mg/ kg (ip). 5 mice per group were sacrificed in three different time points (4, 8 and 12 hours after PARA administration). Blood and tissue samples were collected.

1 When they looked at their ED records for administered medicatio

1 When they looked at their ED records for administered medications, Selleck Enzalutamide Sheftell et al also reported a link between low recurrence and pain-free response with naratriptan PO.46 Overall, it seems reasonable that a concerted effort should be made to discharge patients from the ED pain free. Parenterally administered dopamine antagonists are not only effective anti-emetics but also can reduce or terminate migraine headache. As a class, however, they frequently cause side effects (including sedation,

akathisia, and dystonia) that can outlast the symptoms of the migraine itself and thereby prolong patients’ functional disability. There is a need to pre-dose patients receiving phenothiazines (especially chlorpromazine) with IV fluid to prevent postural hypotension, as well as with a drug possessing anticholinergic properties to reduce the likelihood of extrapyramidal side effects. Droperidol and haloperidol are not recommended Vismodegib as first-line therapy because of potential QTc prolongation and the consequent need for electrocardiogram monitoring. For a variety of reasons (discussed in some detail earlier in this paper), opiates/opioids generally are not recommended as first-line treatment for migraine. One argument used in support

of using opioids for first-line treatment is that they are quick to administer and act rapidly, such that patients can be discharged in a timely fashion. It remains unclear, however, whether the use of opioids does indeed save time. Coleman et al assessed migraine treatment patterns in 5 linked Canadian EDs.47 Opiates/opioids were

used as first-line MCE公司 treatment for 59.6% of the migraine patients. The odds of receiving an opioid as first-line therapy was increased in patients who took medications prior to ED admission and was decreased in patients who had a longer-lasting headache or a more urgent triage score. Those who received opioids first line spent less total time in the ED (177 minutes vs 237 minutes, P < .001). This contrasts with the findings of Tornabene et al, who found that patients who received opioids spent more time in their ED than patients who did not (160 minutes vs 125 minutes, P = .015), regardless of whether they often sought treatment for headache in the ED.48 Sumatriptan SQ, a relatively migraine-specific medication, is as effective as droperidol and prochlorperazine in providing pain relief. When limited to patients with no contraindications, it is very well tolerated. Adverse events are generally limited to transient chest tightness, shoulder pain, and neck pain, all of which rarely outlast the migraine pain itself and require no treatment to resolve. An argument can be made for the use of fixed drug combinations to treat migraine.