In group 3, regional vagal effects were attenuated extensively po

In group 3, regional vagal effects were attenuated extensively postablation in both atria. Posterior left atrial isolation with ablation incrementally denervated the atria. In the long term, vagal stimulation increased

QRST area changes relative to control values in all groups. Heart rate variability LDN-193189 price was also assessed.

Conclusions: Ganglionated plexi ablation significantly reduced atrial vagal innervation. Restoration of vagal effects at 4 weeks suggests early atrial reinnervation. (J Thorac Cardiovasc Surg 2010;139:444-52)”
“The capacity to detect changes in the causal efficacy of actions is mediated by a number of brain areas, including the entorhinal cortex (EC) and the posterior part of the dorsomedial striatum (pDMS). In this study we examined whether interactions between the EC and pDMS are required to detect changes in the instrumental contingency. Rats that received EC-pDMS disconnection lesions, that is, unilateral cell body lesions of the EC and contralateral dopamine depletions of the pDMS, were trained to press two levers, with one delivering food pellets and the other a sucrose solution. Thereafter, we tested whether rats were sensitive (1) to a selective devaluation of the value of one of two outcomes using a specific satiety procedure, and (2) to a selective degradation of one of two

contingencies controlling instrumental choice behavior. Our results reveal that rats with EC-pDMS disconnection lesions were sensitive to outcome devaluation. However, unlike rats with sham lesions or unilateral EC and pDMS lesions, rats with EC-pDMS this website disconnection lesions showed a reduced sensitivity to contingency degradation. These findings suggest that EC and pDMS may be part of a neural system that supports the detection of changes in

the causal relationship between an action and its consequences. Neuropsychopharmacology (2010) 35, 1788-1796; doi:10.1038/npp.2010.46; published online 31 March 2010″
“Objective: Creation of transmural myocardial lesions with epicardial surgical devices to treat atrial fibrillation is difficult. A new cooled Selleck KU55933 bipolar radiofrequency ablation probe was used to create transmural myocardial lesions under controlled conditions.

Methods: The Coolrail (AtriCure, Inc, West Chester, Ohio) is a handheld probe with 2 parallel 30-mm long radiofrequency conductors. Conductors are cooled by water irrigation. Lesions were delivered to epicardial surface of isolated bovine myocardium sliced 3- to 8-mm thick, with blood flow beneath tissue at 0 or 0.4 m/s. Contact pressure between probe and tissue was either 450 g or 900 g. Tissue temperatures were measured. Tissue was sectioned every 5 mm along lesion long axis to determine lesion dimensions.

Results: For 80 experiments with 450-g contact pressure, epicardial lesion length was 31.3 mm (interquartile range, 30.1-32.8 mm); endocardial lesion length was 14.

Saline-treated mutants showed increased locomotion, more stereoty

Saline-treated mutants showed increased locomotion, more stereotypic behavior and a decrease in rearing compared to wild-type mice. This baseline level of activity was similar to behaviors observed in wild-type animals treated with high doses of psychostimulants. In mutants methylphenidate (5 or 30 mg/kg) or amphetamine (2 or 4 mg/kg) did not further increase activity or even caused a decrease of locomotor activity, in contrast to wildtype mice. Fluoxetine (5 or

10 mg/kg) reduced hyperactivity of mutants to levels observed in wild-types. Transmitter measurements, dopamine and serotonin transporter binding assays and autoradiography, indicated a subtle increase in striatal dopaminergic innervation and a marked general decrease of serotonergic innervation in mutants. Taken together, our data suggest that buy WZB117 mice with an aberrantly positioned mid-hindbrain organizer show altered sensitivity to psychostimulants and that an increase of serotonergic neurotransmission reverses their hyperactivity. We conclude that the mid-hindbrain organizer, by orchestrating the formation of dopaminergic and serotonergic neurons, is an essential developmental parameter of locomotor activity and psychostimulant response. (C) 2009 IBRO. MX69 ic50 Published by Elsevier Ltd. All rights reserved.”
“Runt-related transcription factor 1 (RUNX1) is essential for normal hematopoiesis.

RUNX1 mutations have rarely been reported in chronic myelomonocytic leukemia (CMML). We examined RUNX1 mutations in 81 patients with CMML at initial diagnosis. Mutational analysis was performed on bone marrow samples by direct sequencing of all reverse transcription PCR

products amplified with three primer pairs that cover the entire coding sequences of RUNX1b. Thirty-two RUNX1 mutations were detected in 30 patients (37%); 23 mutants were located in the N-terminal part and 9 in the C-terminal region. The mutations consisted of 9 missense, 1 silent, 7 nonsense and 15 frameshift mutations. Two patients had biallelic heterozygous mutations. There was no difference in overall survival between patients with and without RUNX1 mutations, but a trend of higher risk of acute myeloid leukemia (AML) progression was observed in mutation-positive patients (16/30 vs 17/51, P = 0.102), especially in patients however with C-terminal mutations (P = 0.023). The median time to AML progression was 6.8 months in patients with C-terminal mutations compared with 28.3 months in those without mutations (P = 0.022). This study showed for the first time a high frequency of RUNX1 mutations in CMML. C-terminal mutations might be associated with a more frequent and rapid AML transformation. Leukemia (2009) 23, 1426-1431; doi:10.1038/leu.2009.48; published online 19 March 2009″
“Adult hippocampal cell proliferation (HCP) has been associated with psychopathology, especially depression.

The incidence rate was significantly higher during marathons (1 0

The incidence rate was significantly higher during marathons (1.01 per 100,000; 95% CI, 0.72 to 1.38) than during half-marathons (0.27; 95% CI, 0.17 to 0.43) and among men (0.90 per 100,000; 95% CI, 0.67 to 1.18) than among women (0.16; 95% CI, 0.07 to 0.31). Male marathon runners, the highest-risk group, had an increased Wortmannin cell line incidence of cardiac arrest during the latter half of the study decade (2000-2004, 0.71 per 100,000 [95% CI, 0.31 to 1.40]; 2005-2010, 2.03 per 100,000 [95% CI, 1.33 to 2.98]; P = 0.01). Of the 59 cases of cardiac arrest, 42 (71%) were fatal (incidence, 0.39 per 100,000; 95%

CI, 0.28 to 0.52). Among the 31 cases with complete clinical data, initiation of bystander-administered cardiopulmonary resuscitation and an underlying diagnosis other than hypertrophic cardiomyopathy MDV3100 concentration were the strongest predictors of survival.

CONCLUSIONS

Marathons and half-marathons are associated with a low overall risk of cardiac arrest and sudden death. Cardiac arrest, most commonly attributable

to hypertrophic cardiomyopathy or atherosclerotic coronary disease, occurs primarily among male marathon participants; the incidence rate in this group increased during the past decade.”
“Growing concerns about global climate change and energy dependence have led to an increased effort to reduce carbon emissions. A considerable reduction could be achieved by using biofuels from lignocellulosic biomass instead of fossil fuels. One major bottleneck of biofuel production from lignocellulose is the availability of efficient and inexpensive biocatalysts (i.e. alcohol dehydrogenases, cellulases and esterases) that are active and stable at high temperatures and low pH values. Although heterologous gene expression is used effectively to obtain recombinant proteins derived from mesophiles, the production of thermoacidophilic proteins is often unsuccessful. Some of the reasons

for Elafibranor this failure and potential solutions for an increased production of novel extremophilic biocatalysts are discussed here.”
“The ribosomal protein S17E from the archaeon Methanobacterium thermoautotrophicum is a component of the 30S ribosomal subunit. S17E is a 62-residue protein conserved in archaea and eukaryotes and has no counterparts in bacteria. Mammalian S17E is a phosphoprotein component of eukaryotic ribosomes. Archaeal S17E proteins range from 59 to 79 amino acids, and are about half the length of the eukaryotic homologs which have an additional C-terminal region. Here we report the three-dimensional solution structure of S17E. S17E folds into a small three-helix bundle strikingly similar to the FF domain of human HYPA/FBP11, a novel phosphopeptide-binding fold. S17E bears a conserved positively charged surface acting as a robust scaffold for molecular recognition. The structure of M. thermoautotrophicum S17E provides a template for homology modeling of eukaryotic S17E proteins in the family.

At pH 11 the glycosylated keratinase retained 95% of activity, an

At pH 11 the glycosylated keratinase retained 95% of activity, and 75% of its activity at 80 degrees C. The purified keratinase hydrolyzed a broad range of substrates and displayed effective degradation of keratin substrates. The K. and V a of the keratinase for the substrate N-succinyl-Ala-Ala-Pro-Phe-pNA was found to be 0.201 mM and 61.09U/s, respectively. Stability in the presence of detergents, surfactants, metal ions and solvents make

this keratinase suitable for industrial processes. (C) 2008 Elsevier Inc. All rights reserved.”
“Normally long-term depression (LTD) is difficult to be induced in Bafilomycin A1 research buy naive adult rats in vivo, but it can be induced in the juvenile females and acute-stressed adult males. Using these rats as LTD models, we find in our previous study that LTD induction by the classical low-frequency stimuli (LFS) may be associated with sleep. During sleep,

endogenous field potential oscillations presented in the neocortical and hippocampal circuits play important roles in synaptic downscaling as well as memory consolidations. Generally, LTD can be considered as a special synaptic downscaling and the classical LFS is very similar to such endogenous oscillations. Thus, we speculate whether we can design a new LFS which is more similar to such oscillations and whether LTD can be induced by it in naive adult rats? In this study, we found that in the naive adult rats anesthetized https://www.selleckchem.com/products/ly2109761.html in sleep stage, the classical LFS could not induce LTD, however, a low-intensity LFS, an endogenous oscillation-like one, could induce LTD. Furthermore, in the rats anesthetized in wakefulness stage, neither the classical nor the low-intensity LFS could induce LTD. Our study showed that in the naive adult rats, LTD could be induced by the oscillation-like LFS in the sleep stage anesthesia, suggesting that LTD may physiologically occur

during sleep and be inhibited in wakefulness stage. Our study suggested that in the hippocampus LTD may be a potential long-term synaptic plasticity underlying sleep-dependent memory consolidations. (C) 2012 Elsevier Ireland Ltd. All rights reserved.”
“The formation LGX818 nmr of biofilms is initiated by bacteria transitioning from the planktonic to the surface-associated mode of growth. Several regulatory systems have been described to govern the initiation and subsequent formation of biofilms. Recent evidence suggests that regulatory networks governing the decision of bacteria whether to attach and form biofilms or remain as planktonic cells are further subject to regulation by small non-coding RNAs (sRNAs). This is accomplished by sRNAs fine-tuning regulatory networks to enable concentration-specific responses by sequestering, antagonizing, or activating regulatory proteins in response to environmental cues, or by directly affecting the synthesis of proteins promoting or disfavoring the formation of biofilms.

It appears that similar results are possible whenever this vector

It appears that similar results are possible whenever this vector is used. (C) 2010 Elsevier Inc. All rights reserved.”
“Purpose: We determined the feasibility of conducting a randomized clinical trial designed to compare 2 methods of manual therapy (myofascial physical therapy and global therapeutic massage) in patients with urological chronic pelvic pain syndromes.

Materials GSK-3 inhibitor and Methods: We recruited 48 subjects with chronic prostatitis/chronic pelvic pain syndrome or interstitial cystitis/painful

bladder syndrome at 6 clinical centers. Eligible patients were randomized to myofascial physical therapy or global therapeutic massage and were scheduled to receive up to 10 weekly treatments of 1 hour each. Criteria to assess feasibility included adherence of therapists to prescribed therapeutic protocol as determined by records of treatment, adverse events during study treatment and rate of Forskolin datasheet response to therapy as assessed by the patient global response assessment. Primary outcome analysis compared response rates between treatment arms using Mantel-Haenszel methods.

Results:

There were 23 (49%) men and 24 (51%) women randomized during a 6-month period. Of the patients 24 (51%) were randomized to global therapeutic massage, 23 (49%) to myofascial physical therapy and 44 (94%) completed the study. Therapist adherence to the treatment protocols was excellent. The global response assessment response rate of 57% in the myofascial physical therapy group was significantly higher than the rate of 21% in the global therapeutic massage treatment group (p = 0.03).

Conclusions: We judged the feasibility of conducting a full-scale trial of physical therapy methods and the preliminary findings of a beneficial effect of myofascial physical therapy warrants further study.”
“The purpose of this study was to LY2835219 in vivo analyze the expression of miR-146a

in PBMCs obtained from patients with myasthenia gravis (MG) and healthy controls and to investigate the effect of the inhibition of miR-146a on the activation of AchR specific B cells obtained from mice. The expression of miR-146a levels in PBMCs obtained from patients with MG and healthy controls were determined by qRT-PCR. MiR-146a’s complementary fragment, AntagomiR-146a, was synthesized as inhibitor, and the nonfunctional fragment, which has similar construction to AntagomiR-146a, was synthesized as negative control inhibitor. The expression of miR-146a, CD40, CD80 and CD86 on AchR specific B cells were analyzed by qRT-PCR and flow cytometry. Western blotting was used to detect the expression of TLR4, NF-kappa B and Bcl-2. The expression of miRNA-146a in PBMCs obtained from patients with MG was significantly upregulated compared to healthy controls (P < 0.01).

(J Thorac Cardiovasc Surg 2011;142:1010-8)”
“Previous report

(J Thorac Cardiovasc Surg 2011;142:1010-8)”
“Previous reports Evofosfamide chemical structure have conceptualized

theory of mind (ToM) as comprising two components and questioned whether ToM deficits are associated with psychotic symptoms. We investigated 33 nonpsychotic depressed inpatients, 23 psychotic depressed inpatients, and 53 normal controls with the following measures: Eyes Task, Faux pas Task, Verbal Fluency Test (VFT), Digit Span Test (DST) and WAIS-IQ. The depressed patients were also evaluated with the Beck Depression Inventory-II (BDI-II) and the Brief Psychiatric Rating Scale (BPRS). The nonpsychotic depressed patients and the psychotic depressed individuals were significantly impaired on tasks involving ToM social-perceptual and social-cognitive components, as well as the VFT. The psychotic depressed patients performed significantly worse than nonpsychotic depressed patients on ToM tasks. An association was found between ToM performances and both BPRS total and hostile-suspiciousness scores in the depressed group. Both of the ToM components were impaired in depressed patients. Similar mechanisms

and neurobiological substrate may contribute to schizophrenia and major depression. (c) 2007 Elsevier Ireland Ltd. All rights reserved.”
“Analysis of protein mutants is an effective means to understand find more their function. Protein display is an approach that allows large numbers of mutants of a protein to be selected based on their activity, but only a handful with maximal

activity have been traditionally identified for subsequent functional analysis. However, the recent application of high-throughput sequencing (HTS) to protein display and selection has enabled simultaneous assessment of the function of hundreds of thousands of mutants that Sapitinib order span the activity range from high to low. Such deep mutational scanning approaches are rapid and inexpensive with the potential for broad utility. In this review, we discuss the emergence of deep mutational scanning, the challenges associated with its use and some of its exciting applications.”
“Whilst there is general consensus that phonological processing is deficient in developmental dyslexia, recent research also implicates visuo-attentional contributions. Capitalising on the P3a wave of event-related potentials as an index of attentional capture, we tested dyslexic and normal readers on a novel variant of a visual oddball task to examine the interplay of orthographic-phonological integration and attentional engagement. Targets were animal words (10% occurrence). Amongst nontarget stimuli were two critical conditions: pseudohomophones of targets (10%) and control pseudohomophones (of fillers; 10%).

Twenty-five of the 122 arteries (20%) required tertiary intervent

Twenty-five of the 122 arteries (20%) required tertiary interventions in 23 patients, a significantly higher TVR rate vs de novo interventions (11%; P = .003). Freedom from tertiary interventions at 60 months was similar among treatment groups undergoing PTA (66%), cutting balloon (100%), stent (80%), and DES (75%; P = .348). Seventeen (16%) had an increase of >20%, 50 (47%) had a decrease of >20%, and 30 (28%) had no change

in renal function. Ultimately 25 (23%) remained or progressed to renal failure (eGFR < 30%), and 8 required hemodialysis. The survival rate was 73% at 5 years. Mean follow-up for long-term hypertension response was 3.2 years, with 56% improved, 28% with no improvement or deterioration, 16% without long-term data available, and no patients cured.

Conclusions: Capmatinib mouse Secondary interventions for renal in-stent restenosis had higher TVR vs de novo renal stents in this large series (21% vs 11%; P = .003). Definitive recommendations on the best secondary treatment strategy cannot be made because a medical treatment control group Selleckchem 4SC-202 was not available for comparison. (J Vasc Surg 2011;53:1026-31.)”
“Tinnitus is associated with significant increases in anxiety disorders in humans,

which is thought to affect social interaction; however, there has been only one previous study of the effects of tinnitus on social interaction in animals treated with salicylate and no previous study of the effects of tinnitus on anxiety in animals. In the present study, we used acoustic trauma to induce tinnitus in rats and investigated its effects on social interaction and anxiety before in animals confirmed to have tinnitus. When social behaviours were grouped, we found that animals with tinnitus engaged in significantly more aggressive behaviours toward both tinnitus and sham control animals (P=0.03). When individual social behaviours were analysed without considering whether a tinnitus or sham animal was interacting with a member of its own treatment

group, tinnitus animals were found to engage in significantly more anogenital investigation (P=0.01) and significantly less social grooming (P=0.003). When the data were analysed according to whether an animal was interacting with a member of its own group, tinnitus animals were found to bite sham animals significantly more than other tinnitus animals (P=0.005). Sham animals also bit tinnitus animals significantly more than other sham animals (P=0.02), as well as climbing away from them more (P=0.04), kicking (P=0.003), nudging them more (P=0.04), and sleeping with them more (P=0.02). By contrast, sham animals sniffed tinnitus animals significantly less than sham animals (P=0.05). There were no significant differences between the sham and tinnitus animals in performance in the elevated plus and elevated T maze tests of anxiety.

The purpose of this study was to examine the relationship between

The purpose of this study was to examine the relationship between serum levels of IL-6 and CRP and the rate of cognitive change across a range of cognitive domains in a sample of healthy older persons.

Methods. Growth curve analysis was performed on data from the MacArthur Study of Successful Aging, a longitudinal cohort study of high-functioning older adults aged 70-79 years at baseline in 1988 and reinterviewed in 1991 and 1995 (N = 851). Individual growth curve parameters were derived

from baseline and follow-up performance in abstraction, language, spatial ability, verbal recall, spatial recognition, and RAD001 solubility dmso global cognitive function based on age, IL-6, CRP, and covariates.

Results. Cross-sectionally, there is a generally linear negative relationship between inflammation and cognition, PF299804 concentration such that higher

levels of inflammation are associated with lower levels of baseline cognitive function. After controlling for potential confounders, there was no effect of inflammation on baseline cognitive function or the rate of longitudinal cognitive change. However, persons in the top tertile on IL-6 were at an increased risk of incident declines on the Short Portable Mental Status Questionnaire (SPMSQ).

Conclusions. Although high levels of inflammation are associated with incident cognitive impairment, these results do Ruboxistaurin not generalize to the full range of cognitive changes, where the role of inflammation appears to be marginal.”
“Autism spectrum disorders (ASDs) are characterised by a relatively specific pattern of typical and atypical memory functioning. Convergent behavioural and neuroscientific evidence

indicates that this pattern of functioning may be the result of specific impairments in hippocampally mediated relational memory processes, whilst brain-mechanisms mediating item-specific memory processes remain intact. In the current paper we draw on a behavioural paradigm developed by Hunt and Seta [Hunt, R. R., & Seta, C. E. (1984). Category size effects in recall-The roles of relational and individual item information. Journal of Experimental Psychology: Learning, Memory and Cognition, 10, 454-464], which not only allowed us to determine whether individuals with ASD did indeed experience selective difficulties in relational processes, but in addition enabled us to gain insights into the severity of this impairment. Our results suggest that whilst individuals with ASD employ relational memory processes atypically, this impairment seems restricted to situations in which such processes need to be deployed spontaneously to facilitate memory. Under situations that provide environmental support for the processing of relational information, individuals with ASD did demonstrate the ability to employ such processes relatively effectively.

The port-access

The port-access check details group had better preoperative New York Heart Association functional class (P = .007) and a higher rate of elective cases (97% vs 87%, P = .037). Other preoperative characteristics were similar between the groups, including mitral valve pathology and

repair techniques.

Results: Operative, bypass, and clamp times were significantly longer in the port-access group. Mean hospital stay was 5.3 +/- 2.5 days in the port-access group versus 5.7 +/- 2.5 days in the median sternotomy group (P = .4). Early postoperative echocardiographic analysis showed that most patients in both groups had none or trivial mitral regurgitation and none of the patients had greater than grade 2 mitral regurgitation. Follow-up extended for up to 100 months (mean, 34 +/- 24 months). New York Heart Association class improved in both groups (P = .394). Freedom from reoperation was 97% and 95% in the port-access and median sternotomy groups, respectively. Late echocardiographic analysis revealed that 82% (49/60) in the port-access group and 91% (73/80) in the median sternotomy group were free from moderate or severe mitral regurgitation (P =

.11).

Conclusions: In isolated posterior mitral valve pathology, quality of mitral valve Dinaciclib cell line repair with the port-access approach can compare with that with the conventional median sternotomy approach. (J Thorac Cardiovasc Surg 2010;140:86-90)”
“Bone marrow stem cells (BMSCs) express C188-9 mw cardiac markers in vitro and in vivo upon induction. Cardiomyogenic differentiation of embryonic stem cells induced by oxytocin (OT) involves the nitric oxide (NO)soluble guanylyl cyclase (sGC) pathway. Also, OT improved cardiomyogenic differentiation of porcine BMSCs (pBMSCs). Here, we document the role of NO pathway in

OT-mediated cardiomyogenic differentiation of pBMSCs obtained from bone marrow aspirates of juvenile pigs. Cells were exposed (OT cells) or not (control cells) to OT, in presence or absence of a NO synthase inhibitor (L-NAME) and a sGC inhibitor (ODQ). Gene (RT-PCR) and protein expression (immunocytochemistry) of NOS was up-regulated after OT induction. Exposure of OT cells to L-NAME, ODQ, or both, leaded to a significant reduction in cardiac troponin I transcripts, and protein (Western Blot) expression. For the latter, ODQ looked more performing in inhibition than L-NAME. Expression of cardiac troponin T and myosin heavy chain (immunocytochemistry) was less abundant in OT cells exposed to inhibitors without apparent synergic effect between L-NAME and ODQ. In control cells, protein expression remained low. Moreover, OT-induced cell proliferation, and this effect was counteracted by NOS/sGC inhibitors.

(J Vasc Surg 2010;51:33-7 )”
“Background: Renal failure afte

(J Vasc Surg 2010;51:33-7.)”
“Background: Renal failure after thoracoabdominal aortic repair is a significant clinical problem. Distal aortic perfusion for organ and spinal cord protection requires cannulation of the left femoral artery. In 2006, we reported

the finding that direct cannulation led to leg ischemia in some patients and was associated with increased renal failure. After this finding, we modified our perfusion technique to eliminate leg ischemia from cannulation. In this article, we present the effects of this change on postoperative renal function.

Methods: Between February 1991 and July 2008, we repaired 1464 thoracoabdominal aortic aneurysms. Distal aortic perfusion was used in 1088, and these were studied. Median patient

age was 68 years, and 378 (35%) were women. In September 2006, we began to adopt check details a sidearm femoral cannulation technique that provides distal aortic perfusion while maintaining downstream flow to the leg. This was used in 167 patients (15%). We measured the joint effects of preoperative glomerular filtration rate (GFR) and cannulation technique on the highest postoperative creatinine level, postoperative renal failure, and death. Analysis was by multiple linear or logistic PP2 molecular weight regression with interaction.

Results: The preoperative GFR was the strongest predictor of postoperative renal dysfunction and death. No significant main effects of sidearm cannulation were noted. For peak creatinine level and postoperative renal failure, however, strong interactions between preoperative GFR selleck inhibitor and sidearm cannulation were present, resulting in reductions of postoperative

renal complications of 15% to 20% when GFR was <60 mL/min/1.73 m(2). For normal GFR, the effect was negated or even reversed at very high levels of GFR. Mortality, although not significantly affected by sidearm cannulation, showed a similar trend to the renal outcomes.

Conclusion: Use of sidearm cannulation is associated with a clinically important and highly statistically significant reduction in postoperative renal complications in patients with a low GFR. Reduced renal effect of skeletal muscle ischemia is the proposed mechanism. Effects among patients with good preoperative renal function are less clear. A randomized trial is needed. (J Vasc Surg 2010;51:38-42.)”
“Converging evidence suggests that the motivation to seek cocaine during the postpartum period is significantly impacted by the competing incentives of offspring, a stimulus unique to this life stage. In the present study, the functional role of the medial preoptic area (mPOA), a critical site involved in maternal responsiveness, on processing incentive value of pup-associated cues and influencing response allocation for pup- over cocaine-associated environments was investigated using a concurrent pup/cocaine choice conditioned place preference (CPP) paradigm.