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1.
BMC Womens Health ; 24(1): 354, 2024 Jun 19.
Artigo em Inglês | MEDLINE | ID: mdl-38890710

RESUMO

BACKGROUND: The sex steroid hormones fluctuate during the menstrual cycle, which affects the strength and postural stability of females and leads to injuries and risk of falls. These hormones may be modulated by exercise to impact the overall health of females. OBJECTIVE: To determine the effects of exercise on sex steroid hormones in eumenorrheic females. METHODS: This review was performed following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses(PRISMA) guidelines in Lahore, Pakistan. The full-length articles were searched using these databases/search engines (PubMed, Web of Science and Google Scholar, Sci-Hub). Randomized controlled trials along with single group experimental studies were also included. All types of exercises were compared with no exercise in the control group. The Cochrane Risk of Bias assessment tool assessed and screened the articles. The data were then analyzed. The primary outcomes were the levels of estrogen, progesterone and testosterone. RESULTS: Eleven studies were included (5 randomized controlled trials and 6 quasi-experimental studies). The effects of exercise on free estradiol concentration and serum progesterone level were not significant [p = 0.37 (SMD = 0.33, 95% CI = 0.14 to 0.74, I2 = 0%) and p = 0.84 (S.D= -0.65, C.I= -6.92 to 5.62, I2 = 94%)] respectively, whereas, the effects on testosterone levels were significant [p value < 0.00001 (M.D = 0.89, 95% C.I= -2.16 to 3.95, I2 = 94%)]. CONCLUSION: A blinded randomized controlled trial should be conducted in which a structured approach should be followed by women along with warm-ups, cool down and rest intervals. TRIAL REGISTRATION NUMBER: The systematic review was registered prospectively on PROSPERO with registration number CRD42023473767.


Assuntos
Estrogênios , Exercício Físico , Progesterona , Testosterona , Humanos , Feminino , Progesterona/sangue , Exercício Físico/fisiologia , Testosterona/sangue , Estrogênios/sangue , Hormônios Esteroides Gonadais/sangue , Ensaios Clínicos Controlados Aleatórios como Assunto , Estradiol/sangue
2.
Int J Biol Macromol ; 271(Pt 2): 132443, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38761913

RESUMO

Metal-organic frameworks (MOFs)-based therapy opens a new area for antibiotic-drug free infections treatment. In the present study, chitosan membranes (CS) loaded with two concentrations of copper-MOF 10 mg/20 ml (Cu-MOF10/CS) & 20 mg/20 ml (Cu-MOF20/CS) were prepared by a simple lyophilization procedure. FTIR spectra of Cu-MOF10/CS and Cu-MOF20/CS dressings confirmed absence of any undesirable chemical changes after loading Cu-MOF. The SEM images of the synthesized materials (CS, Cu-MOF10/CS & Cu-MOF20/CS) showed interconnected porous structures. Cytocompatibility of the materials was confirmed by fibroblasts cells culturing and the materials were hemocompatible, with blood clotting index <5 %. Cu-MOF20/CS showed comparatively higher effective antibacterial activity against the tested strains; E. coli (149.2 %), P. aeruginosa (165 %) S. aureus (117.8 %) and MRSA (142 %) as compared to Amikacin, CS and Cu-MOF10/CS membranes. Similarly, Cu-MOF20/CS dressing significantly eradicated the biofilms; P. aeruginosa (37 %) and MRSA (52 %) respectively. In full thickness infected wound rat model, on day 23, Cu-MOF10/CS and Cu-MOF20/CS promoted wound healing up to 87.7 % and 82 % respectively. H&E staining of wounded tissues treated with Cu-MOF10/CS & Cu-MOF20/CS demonstrated enhanced neovascularization and re-epithelization along-with reduced inflammation, while trichrome staining exhibited increased collagen deposition. Overall, this study declares Cu-MOFs loaded chitosan dressings a multifunctional platform for the healing of infected wounds.


Assuntos
Antibacterianos , Bandagens , Biofilmes , Quitosana , Cobre , Liofilização , Estruturas Metalorgânicas , Pseudomonas aeruginosa , Cicatrização , Animais , Quitosana/química , Quitosana/farmacologia , Cicatrização/efeitos dos fármacos , Estruturas Metalorgânicas/química , Estruturas Metalorgânicas/farmacologia , Ratos , Pseudomonas aeruginosa/efeitos dos fármacos , Porosidade , Cobre/química , Cobre/farmacologia , Biofilmes/efeitos dos fármacos , Antibacterianos/farmacologia , Antibacterianos/química , Infecções por Pseudomonas/tratamento farmacológico , Infecções por Pseudomonas/microbiologia , Infecções por Pseudomonas/terapia , Masculino , Indutores da Angiogênese/farmacologia , Indutores da Angiogênese/química , Infecção dos Ferimentos/tratamento farmacológico , Infecção dos Ferimentos/microbiologia
3.
Biol Trace Elem Res ; 2024 Feb 22.
Artigo em Inglês | MEDLINE | ID: mdl-38383917

RESUMO

Drug addiction is associated with significant health risks, including cardiovascular complications, cancer, and mental disorders. Illicit drugs, such as cannabinoids and opioids, including prescription medications, are widely consumed and have profound health consequences. Understanding the health effects of the toxic elements in these substances is critical for overdose prevention and effective recovery strategies. This study aimed to determine toxic elements, including arsenic (As), cadmium (Cd), mercury (Hg), and nickel (Ni), in cannabinoid and opioid drugs and in biological samples (whole blood, scalp hair, and serum) from 311 male drug abuse patients aged 15-60 years with a history of drug abuse. The participants were categorized into three age groups. The comparative analysis involved 113 reference subjects of the same age groups. The sample preparation employed microwave-assisted acid digestion, and the toxic elements were quantified using atomic absorption spectrophotometry. Accuracy was ensured using certified reference materials for hair, whole blood, and serum samples. Drug-addicted subjects had significantly higher concentrations of toxic elements (arsenic, cadmium, mercury, and nickel) in biological samples than referent subjects (p > 0.001). Elevated levels of these toxic elements may increase susceptibility to infections, possibly due to malnutrition, drug-related effects, and additional contaminants. These findings necessitate further studies to explore the long-term health outcomes, potential treatment options, and broader socioeconomic impacts of substance abuse. This study serves as a baseline for future research in this critical public health field.

4.
Hand Surg Rehabil ; 43(1): 101633, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38190964

RESUMO

BACKGROUND: Kinesio taping is used as a conservative treatment for carpal tunnel syndrome and the active release technique is also effective. OBJECTIVE: The purpose of the present study was to compare the effects of kinesio taping with and without the active release technique on pain, grip strength, functional disability and range of motion in patients with carpal tunnel syndrome. METHODS: It was a randomized controlled trial. Thirty-two patients with carpal tunnel syndrome were randomly allocated to two groups: Group A received kinesio taping with the active release technique for 4 weeks (3 days/week); Group B received kinesio taping alone for 4 weeks (5 days/week). Outcome measures were the Boston Carpal Tunnel Syndrome Questionnaire, a numeric pain rating scale, goniometry and hand-held dynamometry. SPSS software, version 25, was used for data analysis. RESULTS: Normal distribution was assessed on the Shapiro-Wilk test and parametric tests were applied. Independent t-test results showed that patients who received kinesio taping with the active release technique showed significantly greater improvement (p < 0.05) in pain, functional status and range of motion than the group that received kinesio taping alone. Within-group analysis (paired t-test) showed that both groups significantly improved (p < 0.05) in all outcome measures. CONCLUSION: Kinesio taping with the active release technique procured significantly greater improvement in pain, range of motion and functional disability than kinesio taping alone. CLINICALTRIALS: gov registration number: 789.


Assuntos
Fita Atlética , Síndrome do Túnel Carpal , Humanos , Síndrome do Túnel Carpal/terapia , Resultado do Tratamento , Medição da Dor , Dor
5.
Biol Trace Elem Res ; 202(1): 56-72, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-37059920

RESUMO

Lactoferrin is a natural cationic iron-binding glycoprotein of the transferrin family found in bovine milk and other exocrine secretions, including lacrimal fluid, saliva, and bile. Lactoferrin has been investigated for its numerous powerful influences, including anticancer, anti-inflammatory, anti-oxidant, anti-osteoporotic, antifungal, antibacterial, antiviral, immunomodulatory, hepatoprotective, and other beneficial health effects. Lactoferrin demonstrated several nutraceutical and pharmaceutical potentials and have a significant impact on improving the health of humans and animals. Lactoferrin plays a critical role in keeping the normal physiological homeostasis associated with the development of pathological disorders. The current review highlights the medicinal value, nutraceutical role, therapeutic application, and outstanding favorable health sides of lactoferrin, which would benefit from more exploration of this glycoprotein for the design of effective medicines, drugs, and pharmaceuticals for safeguarding different health issues in animals and humans.


Assuntos
Proteínas de Ligação ao Ferro , Lactoferrina , Animais , Humanos , Lactoferrina/farmacologia , Transferrina , Glicoproteínas , Antioxidantes , Suplementos Nutricionais
6.
J Exp Zool A Ecol Integr Physiol ; 341(1): 31-40, 2024 01.
Artigo em Inglês | MEDLINE | ID: mdl-37861072

RESUMO

Cadmium is a male reproductive toxicant that interacts with a variety of pathogenetic mechanisms. However, the effect of cadmium on the regulatory mechanism of the steroidogenic pathway of Leydig cells during spermatogenesis is still ambiguous. Light microscopy, Western blot, immunohistochemistry, immunofluorescence, and quantitative polymerase chain reaction were performed to study the regulatory mechanism of the steroidogenic pathway of Leydig cells during spermatogenesis. The results indicated that in the control group, Leydig cells showed dynamic immunoreactivity and immunosignaling action with a strong positive significant secretion of 3ß-hydroxysteroid hydrogenase (3ß-HSD) in the interstitial compartment of the testis. Leydig cells showed a high active regulator mechanism of the steroidogenic pathway with increased the proteins and genes expression level of steroidogenic acute regulatory protein (STAR), cytochrome P450 cholesterol (CYP11A1), cytochrome P450 cholesterol (CYP17A1), 3ß-hydroxysteroid hydrogenase (3ß-HSD) 17ß-hydroxysteroid hydrogenase (17ß-HSD), and androgen receptor (AR) that maintained the healthy and vigorous progressive motile spermatozoa. However, on treatment with cadmium, Leydig cells were irregularly dispersed in the interstitial compartment of the testis. Leydig cells showed reduced immunoreactivity and immunosignaling of 3ß-HSD protein. Meanwhile, cadmium impaired the regulatory mechanism of the steroidogenic process of the Leydig cells with reduced protein and gene expression levels of STAR, CYP11A1, CYP17A1, 3ß-HSD, 17ß-HSD, and AR in the testis. Additionally, treatment with cadmium impaired the serum LH, FSH, and testosterone levels in blood as compared to control. This study explores the hazardous effect of cadmium on the regulatory mechanism of the steroidogenic pathway of Leydig cells during spermatogenesis.


Assuntos
Hidrogenase , Células Intersticiais do Testículo , Masculino , Animais , Células Intersticiais do Testículo/química , Células Intersticiais do Testículo/metabolismo , Cádmio/metabolismo , Testosterona , Enzima de Clivagem da Cadeia Lateral do Colesterol/genética , Enzima de Clivagem da Cadeia Lateral do Colesterol/metabolismo , Hidroxiesteroides/metabolismo , Hidroxiesteroides/farmacologia , Hidrogenase/metabolismo , Hidrogenase/farmacologia , Espermatogênese , Colesterol/metabolismo , Colesterol/farmacologia
7.
J Invest Dermatol ; 2023 Dec 10.
Artigo em Inglês | MEDLINE | ID: mdl-38086428

RESUMO

The immunologic drivers of cutaneous lupus erythematosus (CLE) and its clinical subtypes remain poorly understood. We sought to characterize the immune landscape of discoid lupus erythematosus and subacute CLE using multiplexed immunophenotyping. We found no significant differences in immune cell percentages between discoid lupus erythematosus and subacute CLE (P > .05) with the exception of an increase in TBK1 in discoid lupus erythematosus (P < .05). Unbiased clustering grouped subjects into 2 major clusters without respect to clinical subtype. Subjects with a history of smoking had increased percentages of neutrophils, disease activity, and endothelial granzyme B compared with nonsmokers. Despite previous assumptions, plasmacytoid dendritic cells (pDCs) did not stain for IFN-1. Skin-eluted and circulating pDCs from subjects with CLE expressed significantly less IFNα than healthy control pDCs upon toll-like receptor 7 stimulation ex vivo (P < .0001). These data suggest that discoid lupus erythematosus and subacute CLE have similar immune microenvironments in a multiplexed investigation. Our aggregated analysis of CLE revealed that smoking may modulate disease activity in CLE through neutrophils and endothelial granzyme B. Notably, our data suggest that pDCs are not the major producers of IFN-1 in CLE. Future in vitro studies to investigate the role of pDCs in CLE are needed.

8.
Am J Transl Res ; 15(10): 6058-6070, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37969199

RESUMO

OBJECTIVES: In this comprehensive breast cancer (BC) study, we aimed to identify, validate, and characterize key biomarkers with significant implications in BC diagnosis, prognosis, and as therapeutic targets. METHODS: Our research strategy involved a multi-level methodology, combining bioinformatic analysis with experimental validation. RESULTS: Initially, we conducted an extensive literature search to identify BC biomarkers, selecting those with reported accuracies exceeding 20% in specificity and sensitivity. This yielded nine candidate biomarkers, which we subsequently analyzed using Cytoscape to identify a few key biomarkers. Based on the degree method, we denoted four key biomarkers, including progesterone receptor (PGR), epidermal growth factor receptor (EGFR), estrogen receptor 1 (ESR1), and Erb-B2 Receptor Tyrosine Kinase 2 (ERBB2). Expression analysis using The Cancer Genome Atlas (TCGA) dataset revealed that PGR and EGFR exhibited significant (p-value < 0.05) down-regulation in BC samples when compared to controls, while ESR1 and ERBB2 showed up-regulation. To strengthen our findings, we collected clinical BC tissue samples from Pakistani patients and performed expression verification using real-time quantitative polymerase chain reaction (RT-qPCR). The results aligned with our initial TCGA dataset analysis, further validating the differential expression of these key biomarkers in BC. Furthermore, we utilized receiver operating characteristic (ROC) curves to demonstrate the diagnostic use of these biomarkers. Our analysis underscored their accuracy and sensitivity as diagnostic markers for BC. Survival analysis using the Kaplan-Meier Plotter tool revealed a prognostic significance of PGR, ESR1, EGFR, and ERBB2. Their expression levels were associated with poor overall survival (OS) of BC patients, shedding light on their roles as prognostic indicators in BC. Lastly, we explored DrugBank to identify drugs that may reverse the expression patterns , and estradiol, decitabine, and carbamazepine were singled out. CONCLUSION: Our study gives valuable insight into BC biomarkers, for diagnosis and prognosis. These findings have implications for BC management using personalized and targeted therapeutic approaches for BC patients.

9.
BMC Womens Health ; 23(1): 588, 2023 11 10.
Artigo em Inglês | MEDLINE | ID: mdl-37950230

RESUMO

PURPOSE: The purpose was to compare the effects of manual lymphatic drainage and soft tissue mobilization on pain threshold, shoulder mobility and quality of life in patients with axillary web syndrome. METHODS: This randomized clinical trial was conducted on 36 breast cancer patients with developed axillary web; participants were randomly divided into two groups. One group was treated with manual lymphatic drainage; the other group was treated with soft tissue mobilizations in addition to therapeutic exercises, i.e., stretching, strengthening and range of motion (ROM) exercises. The duration of treatment was four weeks (5 sessions/week), with therapeutic exercises as a common treatment protocol. Outcome measures were Breast-Cancer specific quality of life questionnaires, Disabilities of the Arm, Shoulder and Hand (DASH), Numeric Pain Rating Scale (NPRS), Patient Specific Functional Scale (PSFS), Dynamometer and Goniometer. All outcome measure readings were recorded at baseline and the end (4th week) of the treatment. RESULTS: The compliance of the variable distribution with normal distribution was verified using the Shaphiro-Wilk test. Parametric tests were applied, and both groups showed significant effects (p < 0.05) in pairwise comparison (paired t-test). The comparison group analysis (independent t-test) showed that there was no significant difference in pain, upper limb strength, range of motions and fatigue component of quality of life questionnaire parameters (p > 0.05). Two parameters (DASH, PSFS) and one component of the quality of life questionnaire (global health) showed a significant difference (p < 0.05). CONCLUSION: Manual lymphatic drainage showed more improvement in functional movements. It was concluded that both groups, manual lymphatic drainage and soft tissue mobilization groups were clinically equally effective. TRIAL REGISTRATION NUMBER: This trial is registered at ClinicalTrial.gov PRS under trial number NCT05463185 on date 18/07/2022.


Assuntos
Neoplasias da Mama , Ombro , Humanos , Feminino , Mastectomia , Neoplasias da Mama/complicações , Neoplasias da Mama/cirurgia , Limiar da Dor , Qualidade de Vida , Extremidade Superior , Dor , Amplitude de Movimento Articular , Resultado do Tratamento
10.
iScience ; 26(11): 108355, 2023 Nov 17.
Artigo em Inglês | MEDLINE | ID: mdl-38026219

RESUMO

Spirulina, an herbal supplement and popular ingredient in health foods, is a potent stimulant of the immune system. Spirulina use is temporally associated with the onset or exacerbation of Dermatomyositis (DM), an autoimmune connective tissue disease that frequently affects the skin and muscle. In this study, we investigated the effect of Spirulina on peripheral blood mononuclear cells (PBMCs) in DM and Healthy Controls (HCs), showing that Spirulina stimulates Interferon ß (IFNß), Tumor necrosis factor α (TNFα), and Interferon γ (IFNγ) production of DM PBMCs primarily via Toll-Like Receptor 4 (TLR4) activation using ELISA (enzyme linked immunosorbent assay) and flow cytometry. We show that classical monocytes and monocyte-derived dendritic cells are stimulated by Spirulina and are activated via TLR4. Skin from patients with Spirulina-associated DM exhibits an inflammatory milieu similar to that of idiopathic DM but with a stronger correlation of TLR4 and IFNγ.

11.
Int J Surg Case Rep ; 111: 108831, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-37738831

RESUMO

INTRODUCTION: Sheehan's syndrome (SS) is a rare cause of hypopituitarism resulting from postpartum haemorrhage and pituitary necrosis. It remains an underdiagnosed condition, especially in developing countries due to poor obstetric care and home deliveries. This case report highlights the significance of recognizing atypical presentations of SS, such as pancytopenia, to aid in early diagnosis and management. CASE PRESENTATION: A 40-year-old female presented with acute abdomen symptoms and was initially diagnosed with acalculous cholecystitis. However, a detailed history revealed a history of postpartum haemorrhage 18 years prior, leading to a provisional diagnosis of SS. Further investigations confirmed panhypopituitarism, including hypothyroidism, hypocortisolism, and hypogonadism. Notably, the patient also exhibited pancytopenia, a rarely reported haematological manifestation of SS. DISCUSSION: SS often presents with nonspecific symptoms, leading to delayed or missed diagnoses. In this case, the patient's initial presentation of acute abdomen symptoms was attributed to secondary adrenal insufficiency due to panhypopituitarism. The presence of pancytopenia, along with hyponatremia, further complicated the clinical picture. Hormone replacement therapy led to a remarkable improvement in the patient's condition, emphasizing the importance of early diagnosis and intervention. CONCLUSION: SS is a common cause of panhypopituitarism in developing countries, but its atypical presentations, such as pancytopenia, are rare and often overlooked. This case highlights the need for increased awareness among clinicians to consider SS in patients with unexplained haematological abnormalities, particularly in regions with high rates of postpartum haemorrhage. Early recognition and appropriate hormone replacement therapy can significantly improve patients' outcomes and prevent long-term complications associated with this underdiagnosed syndrome.

12.
J Clin Gastroenterol ; 2023 Aug 29.
Artigo em Inglês | MEDLINE | ID: mdl-37646532

RESUMO

BACKGROUND: Endoscopic ultrasound (EUS)-guided gastroenterostomy (EUS-GE) is a minimally invasive therapy for patients with gastric outlet obstruction without the risks of surgical bypass and the limited long-term efficacy of enteral self-expanding metal stent placement. However, due to its novelty, there is a lack of significant data comparing long-term outcomes of patients with EUS-GE, based on the underlying disease. In this study, we compare outcomes of EUS-GE on benign versus malignant indications. METHODS: Consecutive patients from 12 international, tertiary care centers who underwent EUS-GE over 3 years were extracted in a retrospective registry. Demographic characteristics, procedure-related information and follow-up data was collected. Primary outcome was the rate of adverse events associated with EUS-GE and the comparison of the rate of adverse events in benign versus malignant diseases. Secondary outcomes included technical and clinical success as well as hospitalization admission. RESULTS: A total of 103 patients were included: 72 malignant and 31 benign. The characteristics of the patients undergoing EUS-GE is shown in Table 1. The mean age of the cohort was 68 years and 58 years for malignant and benign etiology. Gender distribution was 57% and 39% being females in malignant and benign etiology group, respectively. Clinical success, technical success, average procedure time, and hospital length of stay were similar in both groups. Patients with benign underlying etiology had significantly higher number of surgically altered midgut anatomy (P=0.0379). CONCLUSION: EUS-GE is equally efficient regardless of the underlying etiology (malignant vs. benign), and the adverse events both groups were comparable.

13.
Sci Rep ; 13(1): 13474, 2023 08 18.
Artigo em Inglês | MEDLINE | ID: mdl-37596340

RESUMO

The encapsulation of plant extract in nanomatrices has limitations due to its adhesion to walls, size control, high cost and long durations that results in low yield. Macroscale and microscale level techniques for development of micro/nanoparticles may impact the encapsulation of plant extract. This study aimed to evaluate the relative efficiency of microscale and macroscale techniques for encapsulation of plant extract, which is not compared yet. Keeping this in view, encapsulation of Calotropis gigantea leaves extract (CaG) was attained in silver-conjugated poliglusam nanomatrices (POL/Ag) to induce apoptosis in invasive ductal carcinoma (IDC) cells. The ethanolic CaG extract was prepared using percolation method and characterized by chemical tests for its active phytochemical compounds. The droplet-based microfluidic system was utilized as microscale encapsulation technique for CaG in nanomatrices at two different aqueous to oil flow rate ratios 1.0:1.5, and 1.0:3.0. Moreover, conventional batch system was utilized as macroscale encapsulation technique consisted of hot plate magnetic stirrer. The prepared nanomatrices were analysed for antioxidant activity using DPPH test and for cytotoxicity analysis using MCF-7 cells. The characteristic peaks of UV-Vis, FTIR and XRD spectrum confirmed the synthesis of CaG(POL/Ag) by both the encapsulation methods. However, microfluidic system was found to be more expedient because of attaining small and uniform sized silver nanoparticles (92 ± 19 nm) at high flow rate and achieving high encapsulation efficiency (80.25%) as compared to the conventional batch method (52.5%). CaG(POL/Ag) nanomatrices found to have significant antioxidant activity (p = 0.0014) against DPPH radical scavenging activity. The CaG(POL/Ag) of the smallest sized formulated by the microfluidic system has also shown the highest cytotoxicity (90%) as compared to batch method (70%) at 80 µg/mL. Our results indicate that the microscale technique using microfluidic system is a more efficient method to formulate size-controlled CaG(POL/Ag) nanomatrices and achieve high encapsulation of plant extract. Additionally, CaG(Pol/Ag) was found to be an efficient new combination for inducing potent (p < 0.0001) apoptosis in IDC cells. Therefore, CaG(Pol/Ag) can be further tested as an anti-cancer agent for in-vivo experiments.


Assuntos
Calotropis , Carcinoma Ductal , Nanopartículas Metálicas , Prata , Antioxidantes/farmacologia , Extratos Vegetais/farmacologia
14.
Cureus ; 15(5): e39780, 2023 May.
Artigo em Inglês | MEDLINE | ID: mdl-37398703

RESUMO

Patients diagnosed with human epidermal growth factor receptor 2 (HER2)-positive breast cancer require treatment upfront because of the aggressive nature of this type of cancer. Patients with early-stage HER2-positive breast cancer are usually treated with neoadjuvant therapy. This neoadjuvant therapy comprises targeted therapy and chemotherapy. Targeted therapy is given with trastuzumab. Pertuzumab is either administered or not with trastuzumab as a targeted therapy. This systematic review and meta-analysis aim to find out and compare the benefit achieved in terms of pathologic complete response (pCR) by adding pertuzumab to the neoadjuvant treatment regimen for early-stage HER2-positive breast cancer patients. Various databases were searched to find out relevant clinical trials. After going through PubMed, Embase, and Cochrane, three clinical trials were shortlisted for this systematic review and meta-analysis. These three clinical trials were double-armed. Pertuzumab was present in one arm while being absent in one arm to assess the benefit of adding pertuzumab in terms of pCR achieved. Data were analyzed using RevMan Web (Cochrane, London, UK). The odds ratio and 95% confidence interval were calculated for the outcome. The Mantel-Haenszel method and random effect model were used for analysis. The risk of bias in studies was evaluated using the Cochrane risk of bias tool for randomized controlled trials (ROB2). The summary statistics showed that the incidence of pCR was more in the experimental group (having pertuzumab) as compared to the control group (without pertuzumab) with an odds ratio of 2.10 (95% CI: 1.56-2.83) with I2 = 0%. In three double-arm trials, there were 840 participants, 445 in the experimental group and 395 in the control group. A total of 203 (45%) patients out of 445 in the experimental group achieved pCR, whereas 127 (32%) patients out of 395 in the control group achieved pCR. Through the results of this study, it can be concluded that the rate of pCR achieved was higher in that arm in which pertuzumab was present compared to the study arm in which only trastuzumab was given as targeted therapy. Thus, it can be suggested that pertuzumab be added to the neoadjuvant regimen for early-stage HER2-positive breast cancer patients. This would result in achieving a better pCR. And by improving pCR rates, the survival outcomes of patients can be significantly improved.

15.
J Coll Physicians Surg Pak ; 33(7): 727-731, 2023 07.
Artigo em Inglês | MEDLINE | ID: mdl-37401210

RESUMO

OBJECTIVE: This study aims to determine the minimal concentration of lidocaine to provide adequate analgesia in wide awake local anaesthesia no tourniquet (WALANT) hand surgeries comparing 3 dilutions of tumescent lidocaine with epinephrine solution. STUDY DESIGN: A randomised control trial. Place and Duration of the Study: The study was held at the Plastic Surgery Department of Mayo Hospital, Lahore, from September 2020 to March 2021. METHODOLOGY: Inclusion criteria were post-traumatic hand contractures and tendon and nerve injuries. The patients were randomised to 3 groups of 30 each: Group A (0.1% lidocaine), Group B (0.2% lidocaine), and Group C (0.3% lidocaine). The dilution of adrenaline also remained constant at 1:200,000. Pain was measured using the Visual Analogue Scale. The three groups were compared for demographics and the total duration of analgesia in minutes. RESULTS: All groups showed adequate pain relief during surgery with no cases requiring conversion to general anaesthesia. The highest total duration of analgesia was seen in the 0.3% group (805.3±195.2 minutes), followed by the 0.2% group (500.4±87.2 minutes) and 0.1% group (381.3±31.6 minutes) (p<0.05). No patient developed any signs of lidocaine toxicity. A low Lidocaine concentration of 0.1% was effective in providing analgesia during surgery though increasing the lidocaine concentration to 0.3% would result in greater post-operative analgesic time without increasing toxicity. CONCLUSION: Adequate analgesia was recorded with all 3 lidocaine concentrations. The greatest pain-free duration was however observed in the  0.3% lidocaine group. KEY WORDS: Wide awake local anaesthesia no tourniquet (WALANT), Lidocaine concentrations, Hand surgery, Analgesia, Adverse effects.


Assuntos
Anestesia Local , Lidocaína , Humanos , Anestésicos Locais , Mãos/cirurgia , Estudos Prospectivos , Epinefrina , Dor
16.
Int J Surg Case Rep ; 107: 108350, 2023 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-37271024

RESUMO

INTRODUCTION: Spigelian hernia is an uncommon hernia presenting as a protrusion of abdominal contents through the spigelian fascia, lateral to the rectus abdominis. In some rare cases, Spigelian hernia can occur alongside cryptorchidism, which forms a recognized syndrome found in male infants with Spigelian hernia. This is a relatively unreported syndrome with very limited literature available regarding it, none of which is reported in Pakistan in adults. PRESENTATION OF CASE: We report a case of a 65-year-old male with right sided obstructed spigelian hernia along with the rare finding of testis in the hernial sac. The patient was successfully managed by transperitoneal primary repair (herniotomy) with orchiectomy. The patient recovered uneventfully and was discharged 5 days after the surgery. DISCUSSION: The exact pathophysiology of this syndrome remains unclear. Three theories have been proposed to explain this syndrome, including the primary defect being Spigelian hernia leading to undescended testes (Al-Salem), testicular maldescent preceding the formation of the hernia (Raveenthiran), or the absence of the inguinal canal leading to the development of a rescue canal due to the undescended testes (Rushfeldt et al.). In this case, the absence of gubernaculum was confirmed suggesting the findings to be consistent with Rushfeldt's theory. The surgical team proceeded with hernial repair and orchiectomy. CONCLUSION: In conclusion, Spigelian-Cryptorchidism syndrome is a rare syndrome in adult male, with an unclear pathophysiology. Management of this condition involves repair of the hernia along with either orchiopexy or orchiectomy, depending upon the risk factors involved.

17.
J Craniomaxillofac Surg ; 51(6): 375-380, 2023 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-37353403

RESUMO

This retrospective cohort study aimed to compare the long-term aesthetic outcomes and satisfaction of patients who underwent two techniques of definitive unilateral cleft rhinoplasty. The two cohorts, comprising patients with mature unilateral cleft deformity, were managed with definitive rhinoplasty, either with or without diced-cartilage alar-base and peri-alar augmentation (ABPA). Thirty patients were included in each cohort. Anthropometric measurements, complications, patient satisfaction scores, and third-party surgeon assessment scores were reviewed. In both cohorts, anthropometric parameters improved. Rhinoplasty with ABPA was the superior cohort in terms of columellar length (10.3 ± 1.0 in the cohort with ABPA, compared with 7.9 ± 0.6 in the cohort without ABPA; p < 0.001), alar-base angle (0.2 ± 0.2, compared with 4.3 ± 0.3; p < 0.001), and columellar deviation (2.5 ± 1.4, compared with 10.3 ± 2.1; p < 0.001). This cohort also had more symmetry in nostril height and nostril width (p < 0.001), a lower recurrence rate (one case compared with 22 cases; p < 0.001), a higher patient satisfaction score (p = 0.002), and a higher surgeon assessment score (p < 0.001, Cronbach's alpha = 0.706, Kendall's coefficient of concordance = 0.787). Within the limitations of this study, it appears that the described technique for augmenting the alar-base and peri-alar maxillary area is manageable, and yields consistent long-term results.


Assuntos
Fenda Labial , Rinoplastia , Humanos , Rinoplastia/métodos , Nariz/cirurgia , Estudos Retrospectivos , Fenda Labial/cirurgia , Resultado do Tratamento , Estética Dentária , Cartilagem , Septo Nasal/cirurgia
18.
J Neurooncol ; 163(1): 207-218, 2023 May.
Artigo em Inglês | MEDLINE | ID: mdl-37162666

RESUMO

INTRODUCTION: HGF/c-MET signaling is a significant driver of glioblastoma (GBM) growth and disease progression. Unfortunately, c-MET targeted therapies have been found to be largely ineffective suggesting additional redundant mechanisms of c-MET activation. METHODS: Utilizing RNA-sequencing (RNA-seq) and ribosome profiling analyses of circular RNAs, circ-HGF (hsa_circ_0080914) was identified as markedly upregulated in primary GBM and found to potentially encode an HGF protein variant (C-HGF) 119 amino acids in length. This candidate HGF variant was characterized and evaluated for its ability to mediate c-MET activation and regulate PDX GBM cell growth, motility and invasive potential in vitro and tumor burden in intracranial xenografts in mice. RESULTS: An internal ribosome entry site (IRES) was identified within the circ-HGF RNA which mediated translation of the cross-junctional ORF encoding C-HGF and was observed to be highly expressed in GBM relative to normal brain tissue. C-HGF was also found to be secreted from GBM cells and concentrated cell culture supernatants or recombinant C-HGF activated known signaling cascades downstream of c-MET. C-HGF was shown to interact directly with the c-MET receptor resulting in its autophosphorylation and activation in PDX GBM lines. Knockdown of C-HGF resulted in suppression of c-MET signaling and marked inhibition of cell growth, motility and invasiveness, whereas overexpression of C-HGF displayed the opposite effects. Additionally, modulation of C-HGF expression regulated tumor growth in intracranial xenografted PDX GBM models. CONCLUSIONS: These results reveal an alternative mechanism of c-MET activation via a circular RNA encoded HGF protein variant which is relevant in GBM biology. Targeting C-HGF may offer a promising approach for GBM clinical management.


Assuntos
Neoplasias Encefálicas , Glioblastoma , Animais , Humanos , Camundongos , Neoplasias Encefálicas/patologia , Linhagem Celular Tumoral , Proliferação de Células , Glioblastoma/patologia , Fator de Crescimento de Hepatócito/genética , Fator de Crescimento de Hepatócito/metabolismo , RNA , Transdução de Sinais , Proteínas Proto-Oncogênicas c-met/genética , Proteínas Proto-Oncogênicas c-met/metabolismo
19.
Cancer Lett ; 562: 216178, 2023 05 28.
Artigo em Inglês | MEDLINE | ID: mdl-37061119

RESUMO

A major mechanism conferring resistance to mTOR inhibitors is activation of a salvage pathway stimulating internal ribosome entry site (IRES)-mediated mRNA translation, driving the synthesis of proteins promoting resistance of glioblastoma (GBM). Previously, we found this pathway is stimulated by the requisite IRES-trans-acting factor (ITAF) hnRNP A1, which itself is subject to phosphorylation and methylation events regulating cyclin D1 and c-myc IRES activity. Here we describe the requirement for m6A-modification of IRES RNAs for efficient translation and resistance to mTOR inhibition. DRACH-motifs within these IRES RNAs upon m6A modification resulted in enhanced IRES activity via increased hnRNP A1-binding following mTOR inhibitor exposure. Inhibitor exposure stimulated the expression of m6A-methylosome components resulting in increased activity in GBM. Silencing of METTL3-14 complexes reduced IRES activity upon inhibitor exposure and sensitized resistant GBM lines. YTHDF3 associates with m6A-modified cyclin D1 or c-myc IRESs, regulating IRES activity, and mTOR inhibitor sensitivity in vitro and in xenograft experiments. YTHDF3 interacted directly with hnRNP A1 and together stimulated hnRNP A1-dependent nucleic acid strand annealing activity. These data demonstrate that m6A-methylation of IRES RNAs regulate GBM responses to this class of inhibitors.


Assuntos
Ciclina D1 , Glioblastoma , Humanos , Ciclina D1/genética , Ciclina D1/metabolismo , Glioblastoma/tratamento farmacológico , Glioblastoma/genética , Glioblastoma/metabolismo , Ribonucleoproteína Nuclear Heterogênea A1/genética , Ribonucleoproteína Nuclear Heterogênea A1/metabolismo , Sítios Internos de Entrada Ribossomal , Metiltransferases/metabolismo , Biossíntese de Proteínas , Serina-Treonina Quinases TOR/metabolismo , Genes myc
20.
JBRA Assist Reprod ; 27(2): 191-196, 2023 Jun 22.
Artigo em Inglês | MEDLINE | ID: mdl-35616443

RESUMO

OBJECTIVE: To evaluate reproductive outcomes after hysteroscopic adhesiolysis for patients with Asherman syndrome (AS) who presented with infertility and/or subfertility. METHODS: A retrospective study was conducted in the Women's Specialized Hospital, King Fahad Medical City, from December 2010 to December 2018. The medical records were reviewed for all infertile women who had hysteroscopic adhesiolysis. The specific study's main reproductive outcomes included: [1] the overall rate of conception, [2] the overall rate of conception according to the severity degree of intrauterine adhesions (IUAs), [3] the reproductive methods for achieving conception, and [4] pregnancy outcomes. Reproductive methods for conception included spontaneous conception, ovulation induction (OI), intrauterine insemination (IUI), and in-vitro fertilization (IVF) with/without intracytoplasmic sperm injection (ICSI). Outcomes of pregnancy included ectopic pregnancy, miscarriage, and live birth events. RESULTS: Forty-one patients (n=41) were analyzed. Their mean age was 32.2±4.6 years. The most common menstrual pattern amongst these patients was hypomenorrhea 46.4%. All patients resumed regular menstrual cycles after the adhesiolysis procedure. The overall conception rate during the 24 months follow up was 53.6%, and the overall live birth rate was 34.2%. Of the 22 patients who conceived, 12 patients (29.2%) conceived spontaneously, 2 (4.9%) with IUI, and 8 (19.5%) with IVF-ICSI. The patients with minimal IUAs had a significantly higher pregnancy rate (71.4%) when compared to those with moderate (47%) and severe (40%) IUA (two-tailed log-rank test, p=0.041). CONCLUSIONS: The spontaneous cumulative conception rate following hysteroscopic adhesiolysis was higher in patients with minimal IUAs than those with moderate and severe IUAs.


Assuntos
Infertilidade Feminina , Doenças Uterinas , Masculino , Gravidez , Humanos , Feminino , Adulto , Infertilidade Feminina/etiologia , Infertilidade Feminina/cirurgia , Histeroscopia/métodos , Estudos Retrospectivos , Sêmen , Doenças Uterinas/complicações , Doenças Uterinas/cirurgia
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