To identify multiple

To identify multiple

Palbociclib axes of behavioural variation, and how these interact with environments that vary spatially and temporally, we need long-term studies on wild populations – yet few studies of this nature currently exist. Finally, and perhaps counter-intuitively, we suggest that there is much to be gained from incorporating some of the approaches and statistics employed in the much longer established field of human personality. “
“Behavioural ecologists have long been interested in mating systems and variance of reproductive success. Highly variable molecular markers now enable researchers to reassess mating systems from the genetic point of view. We used 10 microsatellite loci to detail the mating pattern and male reproductive success in a natural population of the common vole Microtus arvalis, one of the most numerous species in Europe. By genotyping 32 females and their offspring, we found evidence for multiple paternity in 50% of litters sired by two or three males. This result was confirmed by paternity analysis of candidate

fathers caught in the population; it also showed that both males and females mated with several unrelated partners. Comparisons of two sires in a given multiple-sire litter showed their relatedness to be low. The common vole population was characterized by a relatively high standardized variance of male Cilomilast manufacturer reproductive success, indicating that males competed for mating. While one of the males could sire up to 83% of offspring

in a multiple-sire litter, mating with an already mated female gave lower reproductive success than mating with one female exclusively. Our results suggest that the occurrence of multiple paternity in the common vole population can be explained by the inability of males to monopolize and mate with all females of a colony, and also by their tendency to increase their reproductive success by getting access to already mated females. “
“Norway rats Rattus norvegicus selected over many generations for positive response toward humans were used as a model for the analysis of spotting emergence, check details penetrance and expressivity in animals differing in the manifestation of tame behavior and in their progeny. Behavior scores and spotting patterns of parents were considered. Although nearly all combinations of white spot locations (chest, chest+belly and belly) can be found in the progeny regardless of white spotting pattern in parents, the frequencies of these combinations depend on the spotting pattern in parents. The results of reciprocal crosses in which either mothers or fathers were spotted and their mates were wholly pigmented indicate that the percentage of spotted offspring is larger among the progeny of spotted fathers. The frequency of spotted individuals among rats with behavior scores of 3.0 and 3.5 (i.e.

Studies supported the safe application of the same criteria (Mila

Studies supported the safe application of the same criteria (Milan criteria and the University of California, San Francisco [UCSF] criteria10) to select patients with HCC for LDLT.11 In their studies based on the Markov model, Cheng et al.12 and Sarasin et al.13 also showed that LDLT could confer a substantial survival advantage for patients with compensated cirrhosis and nonresectable early stage HCC, and may especially be warranted if the waiting time for a deceased donor RXDX-106 liver graft was expected to exceed 7 months. This is indeed the case in most of the patients with HCC listed for LT today. In

the United States, approximately 7,000 new patients with HCC are put on the waiting list for LT every year,14 10% to 15% of whom die during the waiting period.15 In Europe and the United States, the dropout rate at various centers ranges between 15% and 35%.16, 17 Although the use of adult-to-adult LDLT may shorten waiting time, decrease mortality on the waiting list,13,

BAY 80-6946 price 18 and reduce cold ischemia time, thus improving the short-term results of LT via optimal graft function, questions regarding the implications of the type of graft on the disease process and outcome have been raised.19, 20 The potential risks of LDLT for HCC include fast-tracking to transplantation with the risk of more tumor recurrences post-transplantation,21, 22 the risk of a less optimal cancer surgery due to technical constraints, and the rapid regeneration that occurs in the immediate post LDLT period, which could provide an ideal milieu for cancer progression in these patients, which in turn could lead to early23, 24 or multiple-site recurrence. Some multicenter and few single-center studies have compared the results of LDLT with deceased donor liver transplantation (DDLT) for HCC. However, none of these studies was performed on an intention-to-treat strategy. The primary goal of our study was to analyze, on an intention-to-treat basis, whether selleck chemical LDLT performed as well as DDLT

in patients with HCC with regard to long-term outcomes. We chose recurrence rate as the primary endpoint of our study, because recurrence is the most important factor determining long-term outcome and is responsible for late deaths after LT. AFP, alpha-fetoprotein; DDLT, deceased donor liver transplantation; DFS, disease-free survival; HCC, hepatocellular carcinoma; LDLT, living donor liver transplantation; LT, liver transplantation; OS, overall survival; UCSF, University of California, San Francisco; UNOS, United Network of Organ Sharing. From March 2000 to November 2009, 183 adult patients with HCC with cirrhosis were listed for LT at our center (Centre Hepatobiliaire, Paul Brousse Hospital, Villejuif, France). During this period, a total of 95 LDLTs and 960 DDLTs were performed. The cohort of 183 consecutive patients included only those who were diagnosed to have HCC preoperatively, either histologically proven or as defined by Barcelona criteria.

The development of gene therapy and more efficacious products wit

The development of gene therapy and more efficacious products with longer half-lives would provide significant therapeutic advances, dramatically ease the burden of treatment and improve a patient’s quality of life. We should not presume these therapeutic advances would be unaffordable in the future, even

where they cannot be purchased presently. Over time, they will have an equally significant global impact. There will be no single pathway to improving access and affordability around the world. However, it is selleck chemicals entirely feasible that each of these advances will have implications for the development of care, whether a country is resource-poor or -rich. If you consider the telecommunications industry, there are countries in the world today that have skipped over

landlines from limited or no telecommunications infrastructure to cellphone technology. Decisions on the most appropriate therapy will remain a local decision based on local circumstances and individual preferences [36]. Certainly, the challenges and expense of research, development and production facing our community in the 1960s are equally present today. Likewise, the expense of treatment has challenged us since the very beginning. Therapies once thought to be expensive to produce are now relatively affordable when selleck products compared http://www.selleckchem.com/products/rgfp966.html with the latest generations of these therapies. Optimal treatment.  An improved understanding of ‘optimal’ treatment is fundamental to the continued evolution of global care. In current treatment regimens, patient compliance and costs have become significant issues to achieving optimal outcomes.

We have advanced into an era where treating the individual patient and not simply an individual’s disease will be the reality. Individualizing treatment strategies for individual patients will potentially help to mitigate cost, be more cost-effective overall, and yield more therapeutic benefit [37]. Targeting prophylactic regiments based on individual pharmacokinetics will increasingly become the norm. This will include adjusting frequency and dose of treatment (e.g. low dose prophylaxis), as well as personalizing the desired trough level to be sustained. New outcome measures will be needed to support this advance (discussed below). Given the aim of treatment is to reduce the frequency of joint bleeds and their crippling effect, the concept of prophylactic treatment to maintain FVIII/FIX levels >1% was pioneered in Sweden in the 1960 [38]. Twenty-five years of Swedish prophylaxis experience [39], was later confirmed in a large cohort study clearly establishing the concept of prophylaxis to prevent bleeds [40].

IL-4Ra1 KO mice showed a significantly decreased expression of M2

IL-4Ra1 KO mice showed a significantly decreased expression of M2 markers such as YM1 throughout all stages of fibrosis progression and reversal. Using Sirius

red staining and biochemical quantification, CCL4treated mice with systemic and cell specific IL4Ra1 knockout showed significantly less collagen accumulation compared to wildtype controls during fibrosis progression. This was rversed during fibrosis regression. Compared to wildtype littermate controls, IL-4Ra1 ΔLysM but not systemic IL-4Ra1 KO mice showed an attenuated ALT elevation. Interestingly, macrophage markers like CD68, IL-1b, Arg1 and fibrosis related genes such as procollagen α1(I) and αSMA were significantly downregulated in IL-4Ra1 ΔLysM and systemic IL-4Ra1 KO mice during fibrogenesis, but upregulated during fibrosis regression. We show a

central role of IL-4Ra1 signaling in M2 macrophage polarization, with a profibrotic role during liver Tamoxifen mw BMN 673 molecular weight fibrosis progression and a fibrolytic role during its regression. Modulation of IL-4Ra1 by specific pharmacological intervention could be a novel approach to modulate fibrosis progression or induce its reversal. Disclosures: Detlef Schuppan – Advisory Committees or Review Panels: Aegerion, Eli Lilly, Gilead; Consulting: Boehringer-Ingelheim, Isis, Takeda; Grant/Research Support: Boehringer-Ingelheim The following people have nothing to disclose: Shih-Yen Weng, Kornelius Padberg, Yong Ook Kim, Xiao-Yu Wang, Brombacher Frank Background and Objectives: In Phase 2 trials of combination therapy for hepatitis C virus infection, 3 patients developed aplastic anemia. Two had been treated with peginterferon (PEG)+ribavirin (RBV)+tegobuvir+GS-9451 and 1 with PEG+RBV+ledipasvir+GS-9451. While bone marrow suppression is common with interferon therapy, aplastic anemia has been rare. Whole genome sequencing may identify rare genetic variants and

reveal disease-causing variants in small samples. Methods: DNA extracted from 3 blood samples from studies GS-US-248-0121, GS-US-196-0123, click here and GS-US-1960140 were sequenced using the Illumina Whole Genome Sequencing (WGS) protocol and HiSeq 2000 sequencer. Average sequence coverage was 35X. Sequences were aligned to the most recent human reference genome (NCBI37/hg19). Entire genome sequences were compared with 425 whole genomes and 1054 whole exome sequenced population controls matched by ethnicity. The analysis focused on listing and prioritizing putatively functional rare (control MAF<0.001) variations predicted to alter amino acid sequence of protein coding genes carried by the aplastic anemia cases. A gene-wise collapsing test was performed to prioritize the genes enriched with such functional variants, and the Ingenuity Pathway Analysis (IPA) was used to analyze the prioritized list. PolyPhen-2 was used to predict the functional effects of genetic variants.

IL-4Ra1 KO mice showed a significantly decreased expression of M2

IL-4Ra1 KO mice showed a significantly decreased expression of M2 markers such as YM1 throughout all stages of fibrosis progression and reversal. Using Sirius

red staining and biochemical quantification, CCL4treated mice with systemic and cell specific IL4Ra1 knockout showed significantly less collagen accumulation compared to wildtype controls during fibrosis progression. This was rversed during fibrosis regression. Compared to wildtype littermate controls, IL-4Ra1 ΔLysM but not systemic IL-4Ra1 KO mice showed an attenuated ALT elevation. Interestingly, macrophage markers like CD68, IL-1b, Arg1 and fibrosis related genes such as procollagen α1(I) and αSMA were significantly downregulated in IL-4Ra1 ΔLysM and systemic IL-4Ra1 KO mice during fibrogenesis, but upregulated during fibrosis regression. We show a

central role of IL-4Ra1 signaling in M2 macrophage polarization, with a profibrotic role during liver LY294002 cell line Staurosporine order fibrosis progression and a fibrolytic role during its regression. Modulation of IL-4Ra1 by specific pharmacological intervention could be a novel approach to modulate fibrosis progression or induce its reversal. Disclosures: Detlef Schuppan – Advisory Committees or Review Panels: Aegerion, Eli Lilly, Gilead; Consulting: Boehringer-Ingelheim, Isis, Takeda; Grant/Research Support: Boehringer-Ingelheim The following people have nothing to disclose: Shih-Yen Weng, Kornelius Padberg, Yong Ook Kim, Xiao-Yu Wang, Brombacher Frank Background and Objectives: In Phase 2 trials of combination therapy for hepatitis C virus infection, 3 patients developed aplastic anemia. Two had been treated with peginterferon (PEG)+ribavirin (RBV)+tegobuvir+GS-9451 and 1 with PEG+RBV+ledipasvir+GS-9451. While bone marrow suppression is common with interferon therapy, aplastic anemia has been rare. Whole genome sequencing may identify rare genetic variants and

reveal disease-causing variants in small samples. Methods: DNA extracted from 3 blood samples from studies GS-US-248-0121, GS-US-196-0123, selleck screening library and GS-US-1960140 were sequenced using the Illumina Whole Genome Sequencing (WGS) protocol and HiSeq 2000 sequencer. Average sequence coverage was 35X. Sequences were aligned to the most recent human reference genome (NCBI37/hg19). Entire genome sequences were compared with 425 whole genomes and 1054 whole exome sequenced population controls matched by ethnicity. The analysis focused on listing and prioritizing putatively functional rare (control MAF<0.001) variations predicted to alter amino acid sequence of protein coding genes carried by the aplastic anemia cases. A gene-wise collapsing test was performed to prioritize the genes enriched with such functional variants, and the Ingenuity Pathway Analysis (IPA) was used to analyze the prioritized list. PolyPhen-2 was used to predict the functional effects of genetic variants.

This led to the exclusion of persons ≤68 years of age, which may

This led to the exclusion of persons ≤68 years of age, which may limit the generalizability of the study findings. However, the study population is representative of most persons at risk of HCC and ICC, because the median age at diagnosis in SEER registries is 70-74 years. Because Medicare claims are collected for billing rather than research purposes, the prevalences of smoking, overweight, and obesity were almost certainly underestimated. Because of the absence

of a specific ICD-9-CM code for central obesity, this study likely missed persons with central adiposity who were not otherwise obese. In addition, the possibility of some misclassification of HCC as ICC at the initial hospital histopathological review can not be excluded. However, a sensitivity analysis that restricted the analyses AZD6244 cost to well and moderately differentiated tumors confirmed the significant association between metabolic syndrome and risk for both cancers. MG 132 Furthermore, there is a possibility of diagnostic detection

bias, because persons with HCC and ICC are more likely to undergo diagnostic workup and testing than are other persons. Analyses excluding all diagnoses in the year preceding the cancer diagnosis limited the statistical power for some conditions, but did confirm the association between metabolic syndrome and HCC and ICC, respectively. Detailed information on the use of medications (e.g., statins, angiotensin-converting enzyme inhibitors, angiotensin receptor blockers, sulfonylureas, insulin, biguanides, and thiazolidinediones) that might modify liver cancer risk in patients with diabetes

and other metabolic risk factors were not available.39 However, it is likely that the prescription of these drugs was equally distributed among cases and controls with a diagnosis of metabolic conditions preceding the cancer diagnosis, so that this possible bias would be nondifferential. check details In addition, detailed information on alcohol consumption was not available. Finally, due to the limited time frame for the risk factor information, the duration–response relationship among metabolic syndrome, liver histologic analysis results, and risk over time could not be estimated in the present study. Important strengths of the study are related to the data source, as well as the case and control definitions. The SEER registries maintain a 99% completeness rate for case ascertainment, and yearly data quality control checks are conducted. In addition, because SEER registries are selected to be highly representative of the U.S. population, the study findings should be highly generalizable to the U.S. population aged 68 years and older; yet, the predominantly urban population and higher proportion of foreign-born persons included in the SEER registries deserve consideration when generalizing the data to the general U.S. population.

All patients had the following characteristics: (i) positive for

All patients had the following characteristics: (i) positive for HCV RNA genotype 1 and antibody to HCV (anti-HCV), absence of co-infection with HCV of other genotypes; (ii) negative for hepatitis B surface antigen; (iii) HCV RNA levels of 5.0 log learn more IU/mL or more as determined with the COBAS TaqMan HCV test (Roche Diagnostics, Tokyo, Japan); (iv) platelet counts of more than 80 × 103/mm3 without cirrhosis diagnosed by ultrasonography; (v) not pregnant or lactating; (vi) total previous alcohol intake

of less than 500 kg; (vii) absence of HCC, hemochromatosis, Wilson’s disease, primary biliary cirrhosis, alcoholic hepatitis or autoimmune hepatitis; and (viii) absence of antiviral or immunosuppressive treatment during the previous 3 months. Patients were followed for liver function and virological markers at least monthly during treatment and until 24

weeks after completion of the triple therapy. Informed consent was obtained from each patient, and the study protocol conformed to the ethical guidelines of the 1975 Declaration of Helsinki, as reflected in the a priori approval of the institution’s human research committee. Telaprevir (Telavic; Mitsubishi Tanabe Pharma, Osaka, Japan) was administrated at the dose of 2250 (750 mg three times daily) or 1500 mg/day (750 mg twice daily). We selected 60 patients per group who were matched by age, sex and history of previous IFN-based treatment from the telaprevir 2250 and 1500 mg/day groups (Table 1), because 204 patients

had many differences Copanlisib molecular weight in baseline characteristics in both groups. PEG IFN-α-2b (PEG-Intron; Schering Plough, Kenilworth, NJ, USA) was injected s.c. at a median dose of 1.5 μg/kg (range, 1.1–1.8) once a week. RBV (Rebetol; Schering Plough) was administrated at 200–1000 mg/day; RBV dose of 600 mg/day (for bodyweight ≤60 kg), 800 mg/day (for bodyweight >60 to ≤80 kg) or 1000 mg/day (for bodyweight >80 kg) in principle. Since November 2011, the initial dose of RBV was reduced by 200 mg in cases of female sex, aged 66 years or older, hemoglobin level of less than 13 g/dL, bodyweight of less than 45 kg or platelet counts of less than selleck products 150 × 103/mm3 at baseline by the judgment of the physician. All participating patients received these three drugs for the initial 12 weeks, followed by PEG IFN and RBV for an additional 12 weeks. All patients were followed up for at least 24 weeks after the last dose of study drugs to assess SVR. Doses of telaprevir, PEG IFN and RBV were reduced or their administration discontinued as required, based on the reduction of hemoglobin levels; reduction of white blood cell, neutrophil or platelet counts; or the development of adverse events. Thus, the total dose of each drug administrated during the 12–24 weeks was calculated as the ratio of the actual administrated total dose to the anticipated total dose of each drug; these ratios provided adherence measures for telaprevir, PEG IFN and RBV.

14 Progesterone metabolites  Steroid sulfates and disulfates are

14 Progesterone metabolites.  Steroid sulfates and disulfates are predominantly progesterone metabolites that are increased in patients with ICP.34 Intrahepatic cholestasis of pregnancy is characterized by pruritus and elevated levels of bile acids, at serum bile acids ≥ 40 µm the incidence

of ICP is 1.5% and increased fetal complications occur.35 Administration of ursodeoxycholic acid (UDCA) to these patients not only lowers the levels of bile acids but also decreases the levels of steroid disulfates and improves pruritus, which is thought to be due to increased hepatobiliary secretion of progesterone metabolites, this is suggested by the decreased urinary excretion of disulfated progesterone metabolites.36,37 These interesting findings make steroids an attractive candidate in the modulation of cholestatic pruritus. In summary, several

potential pathways are established in mediating the pruritic response, although selleck products it may be thought that this acts only in confusing rather than clarifying the pathophysiology of pruritus. However, the presence of many pathways also opens the door for various treatment modalities as different receptors may be targeted by medications, either selectively or collectively. Autotaxin may increase pruritus by increasing LPA in serum. The evaluation BAY 80-6946 ic50 of pruritus depends on understanding the implications of this debilitating symptom on the patient’s quality of life. Several aspects may be included to assess quality of life including selleck compound symptoms, functional limitations and emotional well being. There are several innovative methods that have been developed to evaluate the severity of pruritus. One of the most commonly used methods is the visual analog scale (VAS). The visual analog scale was first described in 1973 by Patrick et al. and is based on decoding a subjective symptom such as pruritus into a point on a line, with a starting point of no itching and an endpoint indicating the worst itching possible, the patient will

then mark their level of pruritus on the scale to indicate the severity of symptoms.38 Two other scales, the Eppendorf Itch Questionnaire and the Questionnaire for the Development of Pruritus, assess the patient’s subjective experience with pruritus. This is done through the following: the Eppendorf Itch Questionnaire is a modification of the McGill pain questionnaire and uses a detailed list of sensory and emotional categories. These categories aim to identify the severity of symptoms and the resultant debilitating effects. Similarly, the Questionnaire for the Development of Pruritus gathers information in regard to the effect of pruritus on the patient’s quality of life. Although they both address pruritus adeptly; however, they are time consuming.39,40 Recently, the 5-D itch scale was developed by identifying 234 patients of whom 63 suffered from pruritus related to liver disease.

14 Progesterone metabolites  Steroid sulfates and disulfates are

14 Progesterone metabolites.  Steroid sulfates and disulfates are predominantly progesterone metabolites that are increased in patients with ICP.34 Intrahepatic cholestasis of pregnancy is characterized by pruritus and elevated levels of bile acids, at serum bile acids ≥ 40 µm the incidence

of ICP is 1.5% and increased fetal complications occur.35 Administration of ursodeoxycholic acid (UDCA) to these patients not only lowers the levels of bile acids but also decreases the levels of steroid disulfates and improves pruritus, which is thought to be due to increased hepatobiliary secretion of progesterone metabolites, this is suggested by the decreased urinary excretion of disulfated progesterone metabolites.36,37 These interesting findings make steroids an attractive candidate in the modulation of cholestatic pruritus. In summary, several

potential pathways are established in mediating the pruritic response, although Everolimus chemical structure it may be thought that this acts only in confusing rather than clarifying the pathophysiology of pruritus. However, the presence of many pathways also opens the door for various treatment modalities as different receptors may be targeted by medications, either selectively or collectively. Autotaxin may increase pruritus by increasing LPA in serum. The evaluation Idasanutlin chemical structure of pruritus depends on understanding the implications of this debilitating symptom on the patient’s quality of life. Several aspects may be included to assess quality of life including check details symptoms, functional limitations and emotional well being. There are several innovative methods that have been developed to evaluate the severity of pruritus. One of the most commonly used methods is the visual analog scale (VAS). The visual analog scale was first described in 1973 by Patrick et al. and is based on decoding a subjective symptom such as pruritus into a point on a line, with a starting point of no itching and an endpoint indicating the worst itching possible, the patient will

then mark their level of pruritus on the scale to indicate the severity of symptoms.38 Two other scales, the Eppendorf Itch Questionnaire and the Questionnaire for the Development of Pruritus, assess the patient’s subjective experience with pruritus. This is done through the following: the Eppendorf Itch Questionnaire is a modification of the McGill pain questionnaire and uses a detailed list of sensory and emotional categories. These categories aim to identify the severity of symptoms and the resultant debilitating effects. Similarly, the Questionnaire for the Development of Pruritus gathers information in regard to the effect of pruritus on the patient’s quality of life. Although they both address pruritus adeptly; however, they are time consuming.39,40 Recently, the 5-D itch scale was developed by identifying 234 patients of whom 63 suffered from pruritus related to liver disease.

There were 24 HBeAg-positive and 4 HBeAg-negative patients within

There were 24 HBeAg-positive and 4 HBeAg-negative patients within the original 28 AdLF-CHB patients. At the end of 10 years lamivudine treatment, 20 of the 24 HBeAg-positive patients had HBeAg loss. HBeAg seroconversion was detected in 10 of these 20 HBeAg loss patients. HBsAg loss was observed

in 4 of the original 28 patients. Among these 4 HBsAg loss patients, 3 had HBsAg seroconversion. All patients achieved HBV DNA undetectable. Histopathology was evaluated between paired original and final liver biopsies among 19 patients as follows: 4/19 achieved complete liver fibrosis/cirrhosis regression; 9/19 improved in ishak fibrosis score; while 6/19 showed no fibrosis improvement. About 75% patients achieved inflammatory/fibrotic improvement. No significant disease progression was observed in 24/28 patients. Furthermore, no significant difference in histopathology improvement, cirrhosis regression, disease progression between non-resistance Torin 1 chemical structure and rescue for resistance was observed. Long-term lamivudine therapy achieves regression of fibrosis/cirrhosis, improvement

of histological and disease progression in AdLF-CHB patients. “
“Failure of liver stiffness measurement (LSM) by transient elastography (TE, FibroScan) and unreliable results occur in ≈5% and 15% of patients, respectively, mainly due to obesity. In this multicenter study, we evaluated the feasibility and performance of the novel FibroScan XL probe in 276 patients with chronic liver disease (42% viral hepatitis, 46% nonalcoholic

fatty liver disease [NAFLD]) and a body mass index (BMI) ≥28 kg/m2. Patients underwent liver biopsy and TE with www.selleckchem.com/products/DAPT-GSI-IX.html the standard M and XL probes. TE failure was defined as no valid LSMs and unreliable examinations as <10 valid LSMs or an interquartile range (IQR)/LSM >30% or success rate <60%. Probe performance for diagnosing ≥F2 fibrosis and cirrhosis (F4) versus biopsy were examined using areas under receiver operating characteristic curves (AUROC). FibroScan failure was less frequent learn more with the XL probe than the M probe (1.1% versus 16%) and the XL probe was more often reliable (73% versus 50%; both P < 0.00005). Reliable results with the XL probe were obtained in 61% of patients in whom the M probe was unreliable. Among 178 patients with ≥10 valid LSMs using both probes, liver stiffness was highly correlated between probes (ρ = 0.86; P < 0.0005); however, median liver stiffness was lower using the XL probe (6.8 versus 7.8 kPa; P < 0.00005). The AUROC of the XL and M probes were similar for ≥F2 fibrosis (0.83 versus 0.86; P = 0.19) and cirrhosis (0.94 versus 0.91; P = 0.28). Conclusion: Compared with the M probe, the FibroScan XL probe reduces TE failure and facilitates reliable LSM in obese patients. Although the probes have comparable accuracy, lower liver stiffness cutoffs will be necessary when the XL probe is used to noninvasively assess liver fibrosis.