Species delineation and identification are difficult within this

Species delineation and identification are difficult within this group due to the paucity of observable morphological features. Several Melampsora rusts are highly host-specific and this feature has been used for identification at the species level. However, this criterion is not always reliable since different Melampsora rust species can overlap on one host but specialize find more on a different one. To date, two different species recognition methods are used to recognize and define species within the Melampsora genus: (i) morphological species recognition, which is based solely on morphological criteria; and (ii) ecological species recognition, which combines morphological

criteria with host range to recognize and define species. In order to clarify species recognition within the Melampsora genus, we applied phylogenetic species recognition to Melampsora poplar rusts by conducting molecular phylogenetic analyses on 15 Melampsora taxa using six nuclear and mitochondrial loci. By assessing the genealogical concordance between phylogenies, we identified 12 lineages that evolved independently, corresponding to distinct

phylogenetic species. All 12 lineages were concordant GSK126 inhibitor with host specialization, but only three belonged to strictly defined morphological species. The estimation of the species tree obtained with Bayesian concordance analysis highlighted a potential co-evolutionary history between Melampsora species and their reciprocal aecial host plants. Within the Melampsora speciation process, aecial host may have had a strong this website effect on ancestral evolution, whereas telial host specificity seems to have evolved more recently. The morphological characters initially used to define species boundaries in the Melampsora genus are not reflective of the evolutionary and genetic relationships among poplar rusts. In order to construct a more meaningful taxonomy,

host specificity must be considered an important criterion for delineating and describing species within the genus Melampsora as previously suggested by ecological species recognition. Crown Copyright (C) 2012 Published by Elsevier Inc. All rights reserved.”
“Purpose In severe sepsis, functional impairment and decreased numbers of dendritic cells (DCs) are essential reasons for immune function paralysis, secondary organ infection, and organ failure. We investigated the effects of N-acetylcysteine (NAC) administration on protecting lung DCs function in a zymosan-induced generalized inflammation (ZIGI) model.\n\nMethods ZIGI was initiated in 80 Balb/c mice by intraperitoneal injection of zymosan (ZYM; 900 mg/kg). Mice were divided into 4 groups: (1) SHAM+Vehicle; (2) SHAM+NAC; (3) ZYM+Vehicle; and (4) ZYM+NAC. NAC (100 mg/kg) was administered at different time after ZYM injection.

548T -> C had significant effects on growth traits Body lengt

548T -> C had significant effects on growth traits. Body length and body length index were significantly higher in individuals with genotype TT than CC and CT in (P < 0.05). TT individuals also tended to have better performance in other traits, such as body height and chest circumference,

although there were no statistical differences (P > 0.05). This suggests that GHSR is a strong candidate gene that affects growth traits in goats.”
“Background: In addition to physical adaptation and psychosocial adjustment to chronic renal disease, ACY-738 order hemodialysis (HD) patients must also adapt to dialysis therapy plan.\n\nObjectives: The aim of the present study was to examine the effect of Roy’s adaptation model-based patient education on adaptation of HD patients.\n\nPatients and Methods: This study is a semi-experimental research that was conducted with the participation of all patients with end-stage renal disease referred to the dialysis unit of Shahid Beheshti Hospital of

Yasuj city, 2010. A total of 59 HD patients were randomly allocated to two groups of test and control. Data were collected by a questionnaire based on the Roy’s Adaptation Model (RAM). Validity and reliability of the questionnaire were approved. Patient selleck kinase inhibitor education was determined by eight one-hour sessions over eight weeks. At the end of the education plan, the patients were given an educational booklet containing the main points of self-care for HD patients. The effectiveness of education plan was assessed two months after plan completion and data were compared with the pre-education scores. All analyses were conducted using the SPSS software GSK923295 research buy (version 16) through descriptive and inferential statistics including correlation, t-test, ANOVA and ANCOVA tests.\n\nResults: The results showed significant differences in the mean scores of physiological and self-concept models between the test and control groups (P = 0.01 and P = 0.03 respectively). Also a statistical difference (P = 0.04) was observed in the mean scores of the role

function mode of both groups. There was no significant difference in the mean scores of interdependence modes between the two groups.\n\nConclusions: RAM based patient education could improve the patients’ adaptation in physiologic and self-concept modes. In addition to suggesting further research in this area, nurses are recommended to pay more attention in applying RAM in dialysis centers.”
“A newborn presented to genetics with complex skeletal abnormalities, joint contractures, and bilateral corneal clouding with sclerocornea. The patient survived for 8 months before succumbing to respiratory failure. Exome sequencing revealed a compound heterozygous mutation in theB3GALT6gene. Mutations in this gene have been associated with both Ehlers- Danlos syndrome, progeroid type 2 and spondyloepimetaphyseal dysplasia with joint laxity type 1. These diagnoses encompass the skeletal and joint findings.

They showed that the capacity for independent movements of the di

They showed that the capacity for independent movements of the digits was permanently lost after a complete, bilateral lesion of the corticospinal system. These studies also revealed that the brainstem pathways contribute to fundamentally different aspects of motor control, with one set of pathways (the ventromedial see more system) involved in the control of head, trunk and girdle movements, while the other, lateral set of fibres control movements of the extremity such as reach and grasp. There is still much to learn today from these papers. However,

an important part of their scientific legacy, the films illustrating the different cases, has long been unavailable. Much of this filmed material is now made available again in video format accessible on the Brain web site, complete with supplementary notes and histological detail. This article summarizes this newly available material for these classic papers Liproxstatin-1 research buy in Brain.”
“Among the 219 vancomycin-resistant Enterococcus

faecium isolates collected in 20 Taiwanese hospitals from 2006 to 2010, all were susceptible to linezolid and daptomycin, and 98.6% were susceptible to tigecycline. There was a shift toward higher tigecycline MIC values (MIC(90)s) from 2006-2007 (0.06 mu g/ml) to 2008-2010 (0.12 mu g/ml). The MIC90s of daptomycin and linezolid remained stationary. Although pulsotypes among the isolates from the 20 hospitals varied, intrahospital spreading of several clones was identified in 13 hospitals.”
“The activation of the canonical Writ signaling pathway protects hippocampal neurons against the toxicity of Alzheimer’s amyloid-beta-peptide (A beta), however, the role played by the Writ receptors Frizzleds, has not been studied. We report here that Frizzled-1 mediates the activation of the canonical Wnt/beta-catenin pathway by Wnt3a in PC 12 cells. In addition, the protective effect of Wnt3a against the toxicity of A beta oligomers was modulated by Frizzled-1 Bafilomycin A1 expression levels in both PC 12 cells and hippocampal neurons. Over-expression

of Frizzled-1 significantly increased cell survival induced by Wnt3a and diminished caspase-3 activation, while knocking-clown Frizzled-1 expression by antisense oligonucleotides decreased the Wnt3a protection. Over-expression of wild-type beta-catenin, but not a transcriptionally inactive mutated version, prevented the toxicity of A suggesting that the transcription of Writ target genes may be involved in these events. This was confirmed by co-transfecting both Frizzled-1 and the inactive form of beta-catenin, which does not elicited protection levels similar to those showed with endogenous beta-catenin. Our results indicate that Wnt3a protects from A beta-oligomers toxicity by activating the canonical Wnt signaling pathway through the Frizzled-1 receptor, suggesting a therapeutic potential for this signaling pathway in the treatment of Alzheimer’s disease.

7079T>A mutation in the Cdh23 gene The mutation generates a m

7079T>A mutation in the Cdh23 gene. The mutation generates a missense change, p.V2360E, in Cdh23. Affected mice have profound sensorineural deafness, with no vestibular dysfunction. The p.V2360E mutation is semidominant because heterozygous mice have milder and more progressive hearing loss in advanced age. The mutation affects a highly conserved Ca(2+)-binding motif in extracellular domain 22, thought to be important for Cdh23 structure and dimerization. Molecular modeling suggests that the Cdh23(V236OE/V236OE) mutation alters the structural conformation of the protein and affects Ca(2+)-binding properties. Similar to salsa

mice, but in contrast to waltzer mice, hair bundle development is normal in jera, and hearing loss appears to be due to the loss

of tip links. Thus, jera is a novel mouse model for DFNB12. (Am J Pathol 2011, 179:903-914; DOI: CH5424802 cell line 10.1016/j.ajpath.2011.04.002)”
“Squalene monooxygenase catalyzes the epoxidation of C-C double bond of squalene to yield 2,3-oxidosqualene, the key step of sterol biosynthesis pathways in eukaryotes. Sterols are essential compounds CP-868596 datasheet of these organisms and squalene epoxidation is an important regulatory point in their synthesis. Squalene monooxygenase downregulation in vertebrates and fungi decreases synthesis of cholesterol and ergosterol, respectively, which makes squalene monooxygenase a potent and attractive target of hypercholesterolemia and antifungal therapies. Currently some fungal squalene monooxygenase inhibitors (terbinafine, naftifine, butenafine) are in clinical use, whereas mammalian enzymes’ inhibitors INCB028050 supplier are still under investigation. Research on new squalene monooxygenase inhibitors is important due to the prevalence of hypercholesterolemia and the lack of both sufficient and safe remedies. In this paper we (i) review data on activity and the structure of squalene monooxygenase,

(ii) present its inhibitors, (iii) compare current strategies of lowering cholesterol level in blood with some of the most promising strategies, (iv) underline advantages of squalene monooxygenase as a target for hypercholesterolemia therapy, and (v) discuss safety concerns about hypercholesterolemia therapy based on inhibition of cellular cholesterol biosynthesis and potential usage of squalene monooxygenase inhibitors in clinical practice. After many years of use of statins there is some clinical evidence for their adverse effects and only partial effectiveness. Currently they are drugs of choice but are used with many restrictions, especially in case of children, elderly patients and women of childbearing potential. Certainly, for the next few years, statins will continue to be a suitable tool for cost-effective cardiovascular prevention; however research on new hypolipidemic drugs is highly desirable. We suggest that squalene monooxygenase inhibitors could become the hypocholesterolemic agents of the future.

Climate change affects children’s health through increased air po

Climate change affects children’s health through increased air pollution, more weather-related disasters, more frequent and intense heat waves, decreased water quality and quantity, food shortage and greater exposure to toxicants. As a result, children experience greater risk of mental disorders, malnutrition, infectious diseases, allergic diseases and respiratory diseases. Mitigation measures like reducing carbon

pollution emissions, and adaptation measures such as early warning systems and post-disaster counseling are strongly needed. Future health research directions should focus on: (1) identifying whether climate change impacts on children will be modified by gender, age and socioeconomic status; (2) refining outcome measures Panobinostat of children’s vulnerability to climate change; (3) projecting children’s disease burden under climate change scenarios; (4) exploring children’s disease burden related to climate change in low-income countries; and (5) identifying the most cost-effective mitigation and adaptation actions from a children’s health perspective.”
“Mutations of RAS genes are critical events in the pathogenesis of different human Fludarabine JAK/STAT inhibitor tumors and Ras proteins represent a

major clinical target for the development of specific inhibitors to use as anticancer agents. Here we present RasGRF1-derived peptides displaying both in vitro and in vivo Ras inhibitory properties. These peptides were designed on the basis of the down-sizing of dominant negative full-length

RasGRF1 mutants. The over-expression of these peptides can revert the phenotype of K-RAS transformed mouse fibroblasts to wild type, as monitored by several independent biological readouts, including Ras-GTP intracellular levels, ERK activity, morphology, proliferative potential and anchorage independent growth. Fusion of the RasGRF1-derived peptides with the Tat protein transduction domain allows their uptake into mammalian cells. Chemically synthesized Tat-fused peptides, reduced to as small as 30 residues on the basis of structural constraints, retain Ras inhibitory activity. These small peptides interfere in vitro with the GEF catalyzed nucleotide dissociation selleck screening library and exchange on Ras, reduce cell proliferation of K-RAS transformed mouse fibroblasts, and strongly reduce Ras-dependent IGF-I-induced migration and invasion of human bladder cancer cells. These results support the use of RasGRF1-derived peptides as model compounds for the development of Ras inhibitory anticancer agents. (C) 2011 Elsevier Inc. All rights reserved.”
“One of the practitioners of probably the oldest surgical specialty, ophthalmic, was the eminent Scottish ophthalmologist, SirWilliam Mackenzie.

9%]) than in CSWD (n=0; P=0 056) Risk

factors were CSWD

9%]) than in CSWD (n=0; P=0.056). Risk

factors were CSWD (hazard ratio [HR], 4.72; P<0.002) and human leukocyte antigen mismatch (HR, 1.48; P<0.005) for early BCAR+BL and CSWD (HR, 1.9; P<0.02), human leukocyte antigen mismatch (HR, 1.2; P<0.01), and age (HR, 0.97; P<0.002) for 5-year rejection. The HR for graft loss associated with BCAR+BL was 8.8.\n\nConclusions. Kinase Inhibitor Library supplier BCAR+BL may occur more frequently during the early period after transplantation under an early CSWD regimen with tacrolimus plus induction compared with CCS, particularly among non-African-Americans.”
“Sensory innervation to the eye and periocular area arises from the ophthalmic branch of the trigeminal nerve. Thus, ocular, orbital, and systemic disorders may produce head pain with ocular signs and symptoms.

Whereas some of these entities have characteristic diagnostic features, others mimic primary headache disorders such as migraine and cluster headache. This article reviews common ocular and neuro-ophthalmic conditions that are accompanied by pain in or near the eye.”
“In the past ten years, the concept of injecting stem and progenitor cells to assist with rebuilding damaged blood vessels and myocardial tissue after injury in the heart and peripheral vasculature has moved from bench to bedside. Non-invasive imaging can not only provide a means to assess cardiac repair and, thereby, cellular therapy efficacy but also FK228 a means to confirm cell delivery and engraftment after administration. In this first of a two-part review, we will review the different types of cellular labeling techniques and the application of these techniques in cardiovascular magnetic resonance and ultrasound. In addition, we provide a synopsis of the cardiac cellular clinical trials that have been performed to-date.”
“Objective: This study was designed to describe the characteristics and clinical outcome of patients diagnosed with plantar vein thrombosis. Methods: Patients presenting with sudden pain and/or swelling of the foot GSK3326595 manufacturer were evaluated by duplex scanning of

the affected leg. All the main foot veins were imaged with high resolution multi-linear array transducers. The location and extent of thrombosis was recorded in detail. All patients were scheduled for clinical and ultrasound follow-up within a week from the diagnosis and at various intervals thereafter. Results: Acute thrombosis was found in the plantar veins in 11 patients of whom 7 were females. Pain was presented in all patients, swelling in 8 and the left foot was involved in 7. From the risk factors evaluated, the most common were recent surgery 4, use of contraceptive pills 3, followed by malignancy, airplane travel, HIV-AIDS infection, and past history of DVT in one each. Plantar veins were exclusively affected in 8, with lower segment of the posterior tibial veins in 2 and the great saphenous vein in 1. In the follow up, there was evidence of thrombosis extension in 3 patients.

VWF secretion is likely to vary between vascular beds, with brain

VWF secretion is likely to vary between vascular beds, with brain endothelial cells being particularly sensitive. These results suggest that clinical management of cocaine-induced ischemia may GW-572016 purchase benefit from therapies aimed at disrupting the VWF-platelet interaction.”
“Background Psoriasis is a Th1 immune-mediated, inflammatory disease, in which skin lesions appear many years before the related metabolic and cardiovascular comorbidities,

according to the theory of the ‘psoriatic march’. Inducible nitric oxide synthetase (iNOS), tumour necrosis factor (TNF)-alpha and vascular endothelial growth factor (VEGF) are directly implicated in determining both skin lesions and systemic involvement in psoriasis. Reactive oxygen species actively promote the secretion of inflammatory Th1 cytokines directly involved in the pathogenesis of psoriasis.\n\nObjectives Evaluation of VEGF expression and production, nitric oxide (NO) production, iNOS expression, and the antioxidant response of mesenchymal stem cells (MSCs), both before and after 12 weeks of treatment with the TNF-alpha inhibitors adalimumab or etanercept.\n\nMethods Biochemical, morphological and immunohistochemical analyses were performed in MSCs isolated from nonlesional, perilesional and lesional skin of patients with psoriasis, before and after treatment.\n\nResults The treatments were able to

reduce the expression SBE-β-CD inhibitor and production of VEGF, the expression of iNOS and the production of NO in MSCs of patients with psoriasis. TNF-alpha inhibitors also reduced the oxidative damage in MSC membrane

and proteins, several antioxidant systems responded to treatments with a general inhibition of activities (glutathione S-transferase and catalase) and these effects were also supported by a general decrease of total oxyradical scavenging capacity towards hydroxyl radicals and peroxynitrite.\n\nConclusions TNF-alpha inhibitors are able to change the physiopathological pathway of psoriasis, and our results suggest their therapeutic effects already take place at the level of MSCs, which probably represent the cells primarily NVP-LBH589 involved in the ‘psoriatic march’.”
“We investigated potential therapeutic effects of sphingosine-1-phosphate (S1P) receptor modulators FTY720 (fingolimod) and selective S1P1 agonist SEW2871 on a spontaneous autoimmune polyneuropathy (SAP) when given orally at 7 mo (anticipated disease onset) for 4 weeks. Clinical severity, electrophysiologic and histological findings were ameliorated in mice treated with 1 mg/kg of FTY720. Subsequent studies showed that SEW2871 was also effective in halting the progression of SAP, which was accompanied by decreased proliferative and cytokine responses to myelin protein zero (P0), and an increase in regulatory T cells. We conclude that SIP receptor modulators may play a therapeutic role in autoimmune neuropathies.

Treatment based on an EGFR target is emerging as a promising opti

Treatment based on an EGFR target is emerging as a promising option, especially in combination with conventional therapies. Unfortunately, there are no validated predictor biomarkers, and combinatorial treatments are meeting new resistance. Areas covered: The purpose of this review is to summarize the existing treatments and the current research based on targeting the EGFR pathway. Expert opinion: The existing EGFR treatments

in breast cancer see more have shown limited benefit. The combination of the monoclonal antibody cetuximab and platinum salts achieves a 15 – 20% response rate. The effectiveness of tyrosine kinase inhibitors is not completely clear, showing modest or no benefits. Gefitinib treatment has offered some promising results in estrogen receptor + breast cancer. However, it has not been identified as a predictive factor for the appropriate selection of patients. Radioimmunotherapy with anti-EGFR Elafibranor clinical trial radiolabeled antibodies is a promising strategy in BRCA-mutated breast cancer, but it still requires clinical confirmation. Nevertheless, the crosstalk between pathways frequently leads to treatment resistance. Current research is focused on increasing knowledge

about the mechanisms of response and the discovery of predictive markers. Targeting several pathways simultaneously and a correct selection of patients seem essential.”
“Major depressive disorder has been associated with low serum levels of brain-derived neurotrophic factor (sBDNF), which is functionally involved in neuroplasticity. Although sBDNF levels tend to normalize following psychopathological improvement with antidepressant treatment, it is unclear how closely sBDNF changes are associated with treatment outcome. To examine whether baseline sBDNF or early changes in sBDNF are predictive of response to therapy. Twenty-five patients with major depressive disorder underwent standardized treatment with duloxetine. Severity of depression, measured by the Hamilton Depression Rating Scale, and sBDNF

were assessed at baseline, and after 1, 2, Staurosporine solubility dmso and 6 weeks of treatment. Therapy outcome after 6 weeks was defined as response (a parts per thousand yen50 % reduction in baseline Hamilton Depression Rating score) and remission (Hamilton Depression Rating score smaller than 8). The predictive values for treatment outcome of baseline sBDNF, and early (i.e., a parts per thousand currency sign2 weeks) changes in sBDNF and Hamilton Depression Rating score were also assessed. At baseline, sBDNF correlated with Hamilton Depression Rating scores. Treatment response was associated with a higher baseline sBDNF concentration, and a greater Hamilton Depression Rating score reduction after 1 and 2 weeks. A greater early rise in sBDNF correlated with a decreased early Hamilton Depression Rating score reduction.

This oligomer (OMPA) showed a good solubility in common organic s

This oligomer (OMPA) showed a good solubility in common organic solvents. The results of osmometry and gel permeation chromatography analyzes indicated that the average chain length for OMPA was about 5 units. Its

chemical structure was elucidated by H-1 and C-13 NMR, FTIR SIS 3 and UV spectroscopy. A thermal study carried out by thermogravimetric analysis and Differential Scanning Calorimetry showed that the oligomer was stable up to 268 degrees C. In addition, the photoluminescent properties of OMPA were investigated. In solution, an emission was recorded in the indigo-blue region, however, in solid state this emission was shifted to the orange red zone. Finally a mechanism for the electro-oligomerization was evoked in the light of the electronic structures of the

MPA and its radical cation obtained by DFT calculation. (C) 2012 Elsevier B.V. All rights reserved.”
“Atrial fibrillation (AF), the most common sustained arrhythmia associated with substantial cardiovascular morbidity and mortality with stroke being the most critical complication. Most frequently, AF selleck compound occurs in conjunction with other cardiovascular disease, such as hypertension, ischemic heart disease, valve disease or cardiac failure. Role of atrial remodeling has emerged as the new pathophysiological mechanism of atrial fibrillation. Experimental and clinical studies point at two major mechanisms involved in the intrinsically progressive nature of AF. The first consists of a change in the electrical properties of the atrium, notably a shortening of the AERP and a loss of rate adaptation, and hence was named electrical remodeling. Furthermore, based on data from is experimental models, it has been considered that AF is also associated with elaborate adaptive and maladaptive changes in tissue and cellular architecture. By

parallel, this type of change was denominated structural remodeling. Together, these mechanisms will increase the probability of generating multiple atrial wavelets by enabling rapid atrial activation and dispersion of refractoriness. (C) 2012 Elsevier Ltd. All rights reserved.”
“Strategies Milciclib for Epicardial Mapping and Ablation of VT.\n\nCatheter ablation for ventricular tachycardia (VT) is becoming an essential component of the successful management of patients with structural heart disease and refractory ventricular arrhythmias. Despite detailed mapping and ablation from the endocardium, nearly a third of VT circuits remain inaccessible. Pericardial access has improved our ability to address these resistant VTs. Adhesions after cardiac surgery can impede access, necessitating a direct surgical approach to the pericardial space. Potential risks include risk of injury to an epicardial coronary artery, the phrenic nerve, subdiaphragmatic vessels, and right ventricle. We describe the indications for and approach to catheter ablation of VT for the pericardial space.\n\n(J Cardiovasc Electrophysiol, Vol. 20, pp. 710-713, June 2009).

All of the three compounds were isolated from the plant for the f

All of the three compounds were isolated from the plant for the first time.”
“Background:

Breast cancer is one of the most critical cancers and is a major cause of cancer death among women. It is essential to know the survivability of the patients in order to ease the decision making process regarding medical treatment and financial preparation. Recently, the breast cancer data sets have been imbalanced (i.e., the number of survival patients outnumbers the number of non-survival patients) whereas the standard classifiers are not applicable for the imbalanced data sets. The methods to improve survivability prognosis of breast cancer need for study.\n\nMethods: Two well-known five-year Dinaciclib prognosis models/classifiers [i.e., logistic regression (LR) and decision tree (DT)] are constructed by combining synthetic minority over-sampling technique (SMOTE), cost-sensitive classifier technique (CSC), under-sampling, bagging, and boosting. The feature selection method is used to select

relevant variables, while the pruning technique is applied to obtain low information-burden models. These methods are applied on data obtained from the Surveillance, Epidemiology, and End Results database. The improvements of survivability prognosis of breast cancer are investigated based on the experimental results.\n\nResults: Experimental results confirm that the DT and LR models combined with SMOTE, CSC, and under-sampling generate higher Pinometostat predictive performance consecutively than the original ones. Most of the time, DT and LR models combined with SMOTE and CSC use less informative burden/features

when a feature selection method and a pruning technique are applied.\n\nConclusions: LR is found to have better statistical power than DT in predicting five-year survivability. CSC is superior to SMOTE, under-sampling, bagging, and boosting www.selleckchem.com/products/Vorinostat-saha.html to improve the prognostic performance of DT and LR.”
“Objectives. The tension on a wound is one of the important factors that determine the degree of fibrosis and scar formation. We hypothesized that local botulinum toxin type A (Botox) induced paralysis of the musculature subjacent to a surgical wound with a skin defect would minimize the repetitive tensile forces on the surgical wound’s edges, and this will result in a decreased fibroplastic response and fibrosis of the wound.\n\nMethods. This is a prospective randomized experimental study. Two distinct surgical wounds were made to the dorsum of 15 adult rats, respectively. One of the 2 wounds was injected with Botox, and the other wound was used as a control, and this was done for all the rats’ wounds. We evaluated the wound size, the degree of fibrosis and inflammation, the blood vessel proliferation, the thickness of the wound and the expression of transforming growth factor (TGF)-beta 1 in the wounds.\n\nResults. There were significant differences of wound size at the 3rd and 4th week between the Botox and control groups (P<0.05).