Non-adherence to IS therapy leading to graft rejection is well-re

Non-adherence to IS therapy leading to graft rejection is well-recognized. We aim to study adherence to IS treatments and patient preferences in adolescent and adult liver recipients in a multi-ethnic Asian centre. Methods Liver recipients (age >18) on IS therapy on active follow up at our institution

were identified. An anonymous questionnaire form (available in English, Mandarin, http://www.selleckchem.com/products/nivolumab.html Malay, Arabic) was given to each patient during a clinic visit (survey period Oct 2013 – Apr 2014). Completed forms were returned in unmarked sealed envelope. Results One hundred questionnaires were distributed; sixty-eight were returned fully completed and included in the present analysis. Based on the validated Morisky Adherence Score, only 5% of our cohort were considered to have “high adherence”; while 31% had “low adherence”. Liver recipients aged 20-39 were more likely to have low adherence compared to those between 40-69 years. Respondents were predominantly male (84%), with high school education (44%). Time from LT ranged

from <1 year to >10 years. 30% did not know the names of their current IS. 37% 上海皓元医药股份有限公司 admitted to missing IS doses; EMD 1214063 concentration 7% missed doses once in 2 weeks; 12% missed doses once in 3 months. Evening doses were most commonly missed (18%). 57% felt once daily morning dosing regimen would improve IS adherence. Common reasons

for missed doses include “forgot” (19%), “too busy” (13%). 68% prefer to have their number of doses reduced and 28% found it difficult to take their evening dose on time. Patient’s ethnicity and primary language used, education level, occupation status, number of IS agents and amount spent on IS were not associated with adherence. Conclusion Adherence to immunosuppression is often under-reported by liver recipients. Extra vigilance and patient education by the transplant team is needed to improve adherence among younger liver recipients (20-39 years). Simplified immunosuppression dosing regimens with once daily regimens and a reduced pill burden may improve adherence to immunosuppressive therapy. Disclosures: Kieron B.

0, 58, 136, 263 and 273 months respectively 3 lesions were ≥

0, 5.8, 13.6, 26.3 and 27.3 months respectively. 3 lesions were ≥30 mm on first EUS and indication for surgery was not size change but new lymph nodes in 1 case and cystic areas 2. The remaining 2 lesions were 20 mm and grew by 1 mm and 5 mm on first FU respectively. The surgical histopathology showed no high risk lesions, with low risk GIST in 2, leiomyoma Selleckchem AZD6244 2, schwannoma 1. Conclusion: In our cohort, there appears to be little evidence of significant growth of small gastric GISTs with up to 9 years of EUS follow up. This leads us to question

the utility of frequent EUS surveillance for small gastric GISTs (<20 mm). MR SMITH,1 A CHONG,3 M CHIN,1 S EDMUNDS,1 S RAFTOPOULOS,2 I YUSOFF,2 D SEGARAJASINGAM,2 C SIAH1 1Gastroenterology Department, Royal Perth Hospital, 2Sir Charles Gairdner Hospital, 3Fremantle Hospital, Western Australia Introduction: Gastric subepithelial lesions are commonly found during routine gastroscopy. The majority of these lesions are gastrointestinal stromal tumors (GISTs). While surgery is advocated for large lesions, management of small (<20 mm) lesions is controversial. Tissue sampling of GISTs by biopsy or fine needle aspiration (FNA) via endosonography is often performed to confirm diagnosis and management but yield can be variable especially

in smaller lesions. We aimed to retrospectively analyse our experience in Western Australia across all tertiary centers. Methods: All patients undergoing EUS for the evaluation of a gastric subepithelial lesion in Western Australia between February 2002 and May 2014 were identified from our endoscopic database. Data was then collected from endoscopic and clinical selleck chemicals databases. Data was represented as mean or median +/− range as appropriate. Significance was tested using Mann Whitney test for non-parametric variables, p < 0.05. Results: 263 patients with gastric subepithelial lesions were identified, male 107 (41%) with a median age 58.7 years (range 21–89). EUS diagnosis was GIST 161 (62%), lipoma 37 (14%), pancreatic rest

29 (11%), duplication cyst 13 (5%), artefact from organ/vessel indentation 14 (5%), Other 9 (3%). 126 lesions were biopsied (48%): 86 by EUS fine needle aspiration (FNA), 34 tunnel biopsies (TB), 7 standard medchemexpress biopsies, 3 snared, with a diagnostic rate of 78%, 24%, 29%, 77% respectively. Histology showed GISTs/leiomyomas in 66, duplication cyst 3, pancreatic rest 3, schwannoma 1, pseudocyst 1. Of the 161 suspected GISTs, 91 (57%) had attempted tissue sampling, by EUS FNA 75 (82%), TB 16 (18%), standard biopsy 3 (3%). 3 patients had both EUS FNA and TB. Mean lesion size 34.5 mm, median 28 (range 6–150 mm). GISTs were located in the body in 47, antrum 16, fundus 19, cardia 9. Overall diagnostic rate for gastric GIST with tissue sampling was 73.6%; EUS FNA 80%, TB 37.5%, standard biopsy 33.3%. Median size of lesion was larger in the diagnostic group, 34 mm (range 10–150) compared to 15 mm (range 6–70) in the non-diagnostic group (p < 0.0001).

CONCLUSION: Our results reveal that the SphK1-S1P axis has a pivo

CONCLUSION: Our results reveal that the SphK1-S1P axis has a pivotal role in liver injury and suggests that it deserves consideration as a therapeutic target for acute liver failure. Disclosures: Arun J. Sanyal – Advisory Committees or Review Panels: Gore, Gilead, Abbott, Ikaria; Consulting: Salix, Immuron, Exhalenz, Bayer-Onyx, Genentech, Norgine, GalMed, Novartis,

Echosens, Takeda; Grant/Research Support: Salix, Genentech, Genfit, Intercept, Ikaria, Takeda, Gilead; Independent Contractor: UpToDate The following people have nothing to disclose: Dorit Avni, Wei-Ching Huang, Jeremy Allegood, Sarah Spiegel Alcoholic liver disease (ALD) is NVP-BGJ398 supplier associated with a spectrum of liver injury ranging from steatosis and steatohepatitis to fibrosis and cirrhosis. In Imatinib price response to gut-derived lipopolysaccharide (LPS), activation of Kupffer cells plays a key role in the development and progression of ALD by secreting a variety of proinflammatory

cytokines. Consequently, inhibition of macrophage-activation would have therapeutic benefits for alleviating the progression of ALD. Salidroside (Sal), one of main bioactive components isolated from Rhodiola Sachalinensis, has been reported to suppress LPS-induced inflammatory response, but the underlying mechanisms in macrophages remain poorly understood. In this study, we investigate the anti-inflammatory effects of Salidroside and the possible mechanisms in LPS-stimulated phrobol 12-myristate 13-acetate (PMA)-differentiated

上海皓元 THP-1 macrophage models. The results showed that Sal markedly decreased the expression of inducible nitric oxide synthase (iNOS), cyclooxygenase-2(COX2), interleukin-1 beta (IL-1β), interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α) at both mRNA and protein levels, and there was dose-effect relationship between the three Sal pre-treated groups. Further studies revealed that Sal strongly suppressed NF-κB activation and down-regulated the phosphorylation of ERK, p38 and JNK. Our present study demonstrated that Sal could suppress the production of iNOS, COX2, IL-1 β, IL-6 and TNF-α in LPS-stimulated PMA-differeti-ated THP-1 cells by inhibiting NF-κB activation and MAPK signal pathway phosphorylation. Disclosures: Qin Ning – Advisory Committees or Review Panels: ROCHE, NOVARTIS, BMS, MSD, GSK; Consulting: ROCHE, NOVARTIS, BMS, MSD, GSK; Grant/Research Support: ROCHE, NOVARTIS, BMS; Speaking and Teaching: ROCHE, NOVARTIS, BMS, MSD, GSK The following people have nothing to disclose: Hongwu Wang, Ting Wu, Junying Qi, Yaqi Wang, Xiaoping Luo Background: Liver cell injury in alcoholic hepatitis (AH) is in part, due to macrophage generated proinflammatory cytokines i.e. M1 i, M2a, M2b, and M2c might be involved in ALD. The T cell response to chemokines and cytokines differs not only when M1 and M2 macrophages are compared but even when individual M2 subtypes are profiled.

Indeed, the realization that one spermatozoan cell and one ovum n

Indeed, the realization that one spermatozoan cell and one ovum normally must unite to initiate embryonic development was one aspect of an emerging cell theory that had just begun to crystallize in the mid-1800s as a key adjunct to Mendel’s (1865) revolutionary discoveries about hereditary transmission. Darwin could not have presaged that the emergence of anisogamy (the disparity in size and mobility between male and female gametes) early in the history of multicellular life would later become appreciated as one of the ‘major transitions in evolution’ (Maynard Smith & Szathmáry, 1995). Indeed, anisogamy is now seen not only as

the universal basis for defining maleness and femaleness in nearly every sexual species, but also as being the ultimate root of many evolutionary ‘battles between the sexes’ over optimal reproductive tactics by males Selleck Vemurafenib versus females. Given the social climate of the mid-1800s, coupled with the paucity of information about the genetic bases of sex and sexuality, it is little wonder that Darwin declined to speculate unduly about the diverse sexual modes and alternative mating lifestyles of animals.

In Darwin’s era and throughout the following century (well into the 1970s), essentially all inferences about animal reproductive activities in nature came from behavioral observations often coupled to evolutionary interpretations based on particular ecological or mating-system theories (e.g. Fisher, 1930; Small molecule library Bateman, 1948; Ford, 1964; Williams, 1966; Lack, 1968; Emlen & Oring, 1977; Krebs & Davies, 1978). Beginning in the late-1960s, however, a succession of increasingly powerful molecular techniques were introduced that soon permitted direct genetic MCE appraisals of biological parentage (and hence of genetic mating systems) in natural populations (Avise, 1994), and also facilitated evolutionary

reconstructions of the phylogenetic histories of alternative reproductive practices across species and higher taxa (Harvey et al., 1996; Avise, 2006). These genetic and phylogenetic analyses opened everyone’s eyes to a plethora of reproductive shenanigans (including post-copulatory sperm competition) that had remained largely hidden or otherwise outside the spatial or temporal purview of even the most attentive field naturalists of earlier eras. These new sources of empirical information also rejuvenated interest in evolutionary theories about animal mating systems and reproductive behaviors (e.g. Trivers, 1972; Smith, 1984; Arnold & Duvall, 1994; Birkhead & Møller, 1998; Lucas & Simmons, 2006), which in turn gave further impetus to empirical studies in a synergism that continues to energize modern research in natural history and comparative reproductive biology.

5‰ to +20‰ for most

tissues (Table 3), except those comp

5‰ to +2.0‰ for most

tissues (Table 3), except those composed of keratin (e.g., fur, vibrissae), which range from +2‰ to +3‰. The only study of a wild marine mammal population found that mean Δ13Cvibrissae-diet values of California sea otters was 2.2‰ (Newsome et al., in review), within the range found for captive pinnipeds (Table 3). Unfortunately, there are no controlled studies in which collagen has been measured, so most workers assume a value of +5‰, as seen selleck chemical in other mammals and birds. Along with preferential routing of dietary components into different tissues, nutritional status and growth rate have been shown to affect tissue-to-diet isotope fractionation, particularly trophic 15N enrichment (Vanderklift and Ponsard 2003, Robbins et al. 2005). With the exception of sirenians, all marine mammals are carnivores that consume prey with a high nitrogen concentration; lipid-extracted marine mammal prey typically have atomic C/N ratios of 3–4. Because urea δ15N values can be up to 10‰ lower than serum (see review by Balter et al. 2006), theoretical considerations and empirical data suggest that a higher fractional

loss of nitrogen as urea—which typically correlates positively with both the rate of protein intake and the rate of urea loss—will lead to higher body δ15N values (reviewed and modeled by Martínez del Rio and Wolf Everolimus molecular weight 2005 and Martínez del Rio et al. 2009). Zhao et al. (2006) found that captive harbor seals fed a protein-rich diet of pollock had slightly higher Δ15N values (4.6‰vs. 3.9‰, Table 2) than animals that consumed a relatively protein-poor diet of herring. While subtle, this pattern agrees with findings on other taxa that show nitrogen isotope fractionation can be influenced by protein quantity. These findings suggest that trophic Δ15N values for sirenians—herbivores that consume low protein food—might be lower than the range seen in carnivorous marine mammal species. Different amino acids in a single tissue can vary in δ13C and δ15N values

by more than 15‰ (e.g., Hare et al. 1991). As different proteins MCE contain distinct proportions of amino acids, differences in the protein composition among tissue types can yield dissimilar isotopic compositions irrespective of changes in diet. For example, Kurle (2002) found differences in the 15N-enrichment of various tissues relative to the diet of captive northern fur seals that were fed a strict diet of known isotopic composition. Red blood cells had δ15N values approximately 4.1‰ higher than diet, whereas plasma and serum were enriched by approximately 5.2‰ relative to diet. This discrepancy in trophic discrimination among tissue types was interpreted as a consequence of differences in amino acid composition between these tissues. Stegall et al.

5‰ to +20‰ for most

tissues (Table 3), except those comp

5‰ to +2.0‰ for most

tissues (Table 3), except those composed of keratin (e.g., fur, vibrissae), which range from +2‰ to +3‰. The only study of a wild marine mammal population found that mean Δ13Cvibrissae-diet values of California sea otters was 2.2‰ (Newsome et al., in review), within the range found for captive pinnipeds (Table 3). Unfortunately, there are no controlled studies in which collagen has been measured, so most workers assume a value of +5‰, as seen Akt inhibitor in other mammals and birds. Along with preferential routing of dietary components into different tissues, nutritional status and growth rate have been shown to affect tissue-to-diet isotope fractionation, particularly trophic 15N enrichment (Vanderklift and Ponsard 2003, Robbins et al. 2005). With the exception of sirenians, all marine mammals are carnivores that consume prey with a high nitrogen concentration; lipid-extracted marine mammal prey typically have atomic C/N ratios of 3–4. Because urea δ15N values can be up to 10‰ lower than serum (see review by Balter et al. 2006), theoretical considerations and empirical data suggest that a higher fractional

loss of nitrogen as urea—which typically correlates positively with both the rate of protein intake and the rate of urea loss—will lead to higher body δ15N values (reviewed and modeled by Martínez del Rio and Wolf selleck chemicals 2005 and Martínez del Rio et al. 2009). Zhao et al. (2006) found that captive harbor seals fed a protein-rich diet of pollock had slightly higher Δ15N values (4.6‰vs. 3.9‰, Table 2) than animals that consumed a relatively protein-poor diet of herring. While subtle, this pattern agrees with findings on other taxa that show nitrogen isotope fractionation can be influenced by protein quantity. These findings suggest that trophic Δ15N values for sirenians—herbivores that consume low protein food—might be lower than the range seen in carnivorous marine mammal species. Different amino acids in a single tissue can vary in δ13C and δ15N values

by more than 15‰ (e.g., Hare et al. 1991). As different proteins 上海皓元医药股份有限公司 contain distinct proportions of amino acids, differences in the protein composition among tissue types can yield dissimilar isotopic compositions irrespective of changes in diet. For example, Kurle (2002) found differences in the 15N-enrichment of various tissues relative to the diet of captive northern fur seals that were fed a strict diet of known isotopic composition. Red blood cells had δ15N values approximately 4.1‰ higher than diet, whereas plasma and serum were enriched by approximately 5.2‰ relative to diet. This discrepancy in trophic discrimination among tissue types was interpreted as a consequence of differences in amino acid composition between these tissues. Stegall et al.

However, considering the needs of and risks to the live donor, DD

However, considering the needs of and risks to the live donor, DDLT is preferable to LDLT. A central

principle in medicine is primum non nocere, that is, ‘first, do no harm’. The healthy live donor must undergo major surgery for no direct, physical benefit. Donor morbidity is not infrequent; the donor mortality rate has been estimated at around 0.1–0.3%.1 Moreover, graft volume is usually smaller in LDLT than in DDLT, which is unfavorable for recipients of LDLT. Direct comparison of the results between Proteasome inhibitors in cancer therapy LDLT and DDLT is therefore not productive, although LDLT has achieved results comparable to those of DDLT. LDLT is best situated as an alternative option to DDLT. In other words, LDLT and DDLT can be implemented together to facilitate effective LT. With an understanding of the actual circumstances of use, LDLT offers several advantages

over DDLT. The first major advantage of LDLT is the reduction in waiting time mortality. This benefit is especially useful in patients with hepatocellular carcinoma (HCC). Second, LDLT can shorten the cold ischemic time (CIT). Prolonged CIT is a known risk factor for acute cellular rejection (ACR) and graft loss in DDLT.2,3 Third, various preoperative interventions, including nutritional treatment, find more can be planned for both the donor and recipient, since LDLT is performed under elective circumstances. We discuss herein the advantages and disadvantages of living donation compared with deceased donation in LT. Most HCC occurs against a background of cirrhosis. LT is thus an attractive treatment option for patients with HCC, offering the possibility of curing both the tumor and the underlying cirrhosis. Nevertheless, patient survival after DDLT for HCC was initially so poor due to the high tumor recurrence rate that HCC was considered a contraindication for LT. After the adoption of the Milan criteria (MC),4 favorable survival outcomes could be obtained after LT for HCC with survival rates comparable to those in patients receiving transplants for nonmalignant

diseases. With the accumulation of experience with DDLT for HCC, however, problems such as a high dropout rate from 上海皓元 the waiting list due to tumor progression (15% at 6 months, 25% at 12 months),5 a shortage of deceased donors, and excessive restrictiveness of the MC have emerged. In some regions for some blood types in the United States, even patients within the MC may have a 9- to 12-month wait for DDLT.6 The lack of an effect on the donor pool of organs for patients with non-malignant liver disease is a crucial advantage of LDLT, since the living donor graft is a dedicated gift directed exclusively to the recipient. LDLT can thus shorten the waiting time and lower the dropout rate. Studies using hypothetical decision analytical models have demonstrated theoretical survival benefits for LDLT over DDLT.

The present study provides evidence for high lipophilicity but lo

The present study provides evidence for high lipophilicity but low daily dose not to be associated with significant risk for DILI. The rule-of-two can help support regulatory applications and provide guidance for clinical practice. Our findings suggest that only drugs that have both high daily dose and high lipophilicity are PF01367338 significantly

associated with risk for liver injury. Applying the rule-of-two will significantly reduce false positives compared with daily dose alone, and may help in the causality assessment of DILI cases, especially when complicated comedication regimes are considered. We thank Reagan Kelly and Hong Fang for comments and discussion. We also thank Zhichao Liu for assistance in calculating logP and Feng Qian for the graph drawing. Additional Supporting Information may be found in the online version of this article. “
“Aims:  To study the characteristics

of mutation in the amino acids coded by the S gene region in the HBV DNA sequence and to comprehensively explore and analyze the cause of the double positive result phenomena in both HBsAg and HBsAb tests. Methods:  Specimens collected from 43 cases of chronic hepatitis B patients with positive results for both HBsAg and HBsAb tests were used as the experimental group; specimens collected from 43 cases randomly picked from all patients with chronic hepatitis B with a single EX527 positive result for HBsAg test were used as the control group. In HBV DNA, the S gene region was amplified and sequenced. Amino acid sequences were grouped, and mutations were analyzed based on the sequencing results. Results:  The 上海皓元 patients were infected with

HBV of the genotype B and C and those who with genotype C show more mutations than genotype B carriers. Compared with the control group, the experimental group had a marked increase in S gene amino acid mutations; a higher amino acid mutation rate was observed in the first loop (aa124–137) of the a-determinant (aa124–147) and there was a statistical difference (genotype B: 2.68% vs. 0.00%, P = 0.041; genotype C: 7.14% vs. 2.01%, P < 0.001). Conclusion:  The first loop in a-determinant of S gene sequence possesses a large numbers of mutated amino acids, leading to changes of antigenicity and simultaneous positive results in both HBsAg and HBsAb tests finally. "
“Genetic host factors may modify the course of the hepatitis C virus (HCV) infection. Very recently, a genome-wide scan that reported association of the IL28B locus with response to treatment in HCV infection was published. The aim of the current study was to investigate the relationship of this locus with outcome of HCV infection in a cohort constituted by a total of 731 Spanish individuals.

The present study provides evidence for high lipophilicity but lo

The present study provides evidence for high lipophilicity but low daily dose not to be associated with significant risk for DILI. The rule-of-two can help support regulatory applications and provide guidance for clinical practice. Our findings suggest that only drugs that have both high daily dose and high lipophilicity are selleck compound significantly

associated with risk for liver injury. Applying the rule-of-two will significantly reduce false positives compared with daily dose alone, and may help in the causality assessment of DILI cases, especially when complicated comedication regimes are considered. We thank Reagan Kelly and Hong Fang for comments and discussion. We also thank Zhichao Liu for assistance in calculating logP and Feng Qian for the graph drawing. Additional Supporting Information may be found in the online version of this article. “
“Aims:  To study the characteristics

of mutation in the amino acids coded by the S gene region in the HBV DNA sequence and to comprehensively explore and analyze the cause of the double positive result phenomena in both HBsAg and HBsAb tests. Methods:  Specimens collected from 43 cases of chronic hepatitis B patients with positive results for both HBsAg and HBsAb tests were used as the experimental group; specimens collected from 43 cases randomly picked from all patients with chronic hepatitis B with a single selleckchem positive result for HBsAg test were used as the control group. In HBV DNA, the S gene region was amplified and sequenced. Amino acid sequences were grouped, and mutations were analyzed based on the sequencing results. Results:  The MCE patients were infected with

HBV of the genotype B and C and those who with genotype C show more mutations than genotype B carriers. Compared with the control group, the experimental group had a marked increase in S gene amino acid mutations; a higher amino acid mutation rate was observed in the first loop (aa124–137) of the a-determinant (aa124–147) and there was a statistical difference (genotype B: 2.68% vs. 0.00%, P = 0.041; genotype C: 7.14% vs. 2.01%, P < 0.001). Conclusion:  The first loop in a-determinant of S gene sequence possesses a large numbers of mutated amino acids, leading to changes of antigenicity and simultaneous positive results in both HBsAg and HBsAb tests finally. "
“Genetic host factors may modify the course of the hepatitis C virus (HCV) infection. Very recently, a genome-wide scan that reported association of the IL28B locus with response to treatment in HCV infection was published. The aim of the current study was to investigate the relationship of this locus with outcome of HCV infection in a cohort constituted by a total of 731 Spanish individuals.

Recording

Recording Everolimus chemical structure occurred from 22:42 to 08:50 h the next day. Over the course of the night, amplexus occurred eight times within the screen. Each time two frogs amplexed, another male jumped in and the amplexus was broken. Intense male–male combat occurred after the fifth bout of amplexus. At 03:28 h when the couple started laying their eggs, another male (male A) suddenly head-butted the amplexing male (male B), and the two grappled

with a growl. Male A jabbed his arms into the head of male B while holding its head from two sides (Supporting Information Fig. S3). Male B struggled to escape from the grasp of male A, but male A continued jabbing. For more than 4 min, male B kept trying to escape from male A by kicking and

flapping. While grappling, the two frogs floated deeper into the water away from the center of the screen. INCB018424 purchase Unclear images of the two wrestling frogs and water movement continued until 03:43 h, when the two frogs separated. On this night, there seemed to be another fight after the sixth amplex broke up, but the scene occurred mostly outside of the camera’s field of view, and only a growling sound and a portion of a head were observed. After the eighth amplex, oviposition occurred successfully at 04:32 h and ended at 04:44 h. Unfortunately, the identity of which male frog eventually fertilized the egg mass could not be determined. The fight scene is registered in the Movie Archives of Animal Behavior (http://www.momo-p.com; data # momo100928un01b). The second observation was made on the night of 13 July 2010. It occurred in an Otton frog nest constructed at the edge of a 4 × 4-m pool in

a concrete barrage. When the author first visited the area at 19:50 h, one male was inside the nest and another was sitting in front of the nest. The infrared video camera (SONY, DCR-SR65) was set facing the nest. Recording occurred from 19:52 to 09:50 h of the next day. At 20:48 h, the male sitting in front of the nest (male C) slowly walked to the nest edge at the side opposite the male in the nest (male D) and hid under the vegetation. Male D appeared motivated and called more frequently. At 21:15 h, male C 上海皓元医药股份有限公司 came out of the vegetation and walked into the nest. Male D stopped calling and sat motionless. Male C sat just beside male D, facing his side. At 21:19 h, male C pounced on male D at the moment male D started to move to turn toward him. Male C embraced the waist of male D (Supporting Information Fig. S4), who then fought back by pulling both arms to his chest as if jabbing his pseudothumbs into the enemy (Supporting Information Fig. S4). His intention was not successful, as male C was holding male D lower than his chest, and the two frogs separated. After the first fight, the two males remained around the nest. Twice, one male jumped on the other, but the attacked male did not fight back and simply jumped away.