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Ayyaswamy B, Salim M, Sidaginamale R, Elsayed M, Karpe P, Limaye R. Early to medium term outcomes of osteochondral lesions of the talus treated by autologous matrix induced chondrogenesis (AMIC). Foot Ankle Surg 2021; 27:207-212. [PMID: 32414700 DOI: 10.1016/j.fas.2020.04.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 04/08/2020] [Accepted: 04/18/2020] [Indexed: 02/04/2023]
Abstract
BACKGROUND The primary aim of the study is to evaluate the functional outcome following AMIC procedure in patients with osteochondral injury of the talus. The secondary aim is to evaluate if size of the lesion and patient's age influence outcome. MATERIALS AND METHODS This is a retrospective study of 25 patients who underwent AMIC procedure of the talus treated by a single surgeon. Functional outcomes were evaluated using pre and post operative AOFAS and VAS scores. RESULTS The mean lesion size was 1.74 cms with 88% of lesions in the study more than 1.4 cms. There was a significant improvement in AOFAS score with mean improvement of 49.40 (p < 0.05) and VAS score of 5.36 (p < 0.05). We could not find any correlation between either age or lesion size with functional outcome for AMIC procedure. CONCLUSION AMIC procedure seems to be a reliable treatment method for larger diameter osteochondral lesions of the talus up to 2.5 cms in diameter.
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Pisani L, Algera AG, Serpa Neto A, Ahsan A, Beane A, Chittawatanarat K, Faiz A, Haniffa R, Hashemian SM, Hashmi M, Imad HA, Indraratna K, Iyer S, Kayastha G, Krishna B, Ling TL, Moosa H, Nadjm B, Pattnaik R, Sampath S, Thwaites L, Tun NN, Mohd Yunos N, Grasso S, Paulus F, Gama de Abreu M, Pelosi P, Day N, White N, Dondorp AM, Schultz MJ, For The PRoVENT-iMiC Investigators Moru And The Prove Network, Adhikari A, Akaraborworn O, Akhtar A, Alam AKMS, Ali SM, Arumoli J, Asaduzzaman M, Azauddin SNS, Banik D, Bhuiyan SR, Bhurayanontachai R, Chatmongkolchart S, Das S, Das SS, De Silva K, Dilhani YAH, Dissanayake L, Dongre A, Dorasamy D, Duong Bich T, Dutta ML, Edirisooriya M, Farooq A, Fernando M, Gunaratne A, Hamid T, Hanif S, Hasan MS, Hayat M, Hossain M, Hussain T, Idrees F, Jamaluddin MFH, Joseph S, Juntaping K, Kamal S, Karmaker P, Kasi CK, Kassim M, Khaskheli S, Khatoon SN, Khoundabi B, Kongpolprom N, Kudavidanage B, Lam Mihn Y, Malekmohammad M, Mat Nor MB, Mathanalagan S, Memon I, Mithraratne N, Mobasher M, Mondol MK, Mostafa Kamal AH, Nath RK, Navasakulpong A, Nazneed S, Nguyen Thi Thanh H, Nguyen Van K, Nooraei N, Othman Jailani MI, Pangeni R, Petnak T, Pilimatalawwe C, Pinto V, Piriyapatsom A, Pornsuriyasak P, Qadeer A, Raessi Estabragh R, Rahman Chowdhury MA, Ranatunge K, Rehman AU, Reza ST, Roy S, Roy P, Rungruanghiranya S, Salim M, Samaranayake U, Samarasinghe L, Sarkar SA, Shah J, Sigera C, Silachamroon U, Singhatas P, Sultana R, Surasit K, Taher SM, Tai LL, Tajarernmuang P, Tangsujaritvijit V, Taohid TM, Taqi A, Thilakasiri K, Thungtitigul P, Trongtrakul K, Vaas M, Voon CM, Vu Quoc D, Zarudin N. Epidemiological Characteristics, Ventilator Management, and Clinical Outcome in Patients Receiving Invasive Ventilation in Intensive Care Units from 10 Asian Middle-Income Countries (PRoVENT-iMiC): An International, Multicenter, Prospective Study. Am J Trop Med Hyg 2021; 104:1022-1033. [PMID: 33432906 PMCID: PMC7941813 DOI: 10.4269/ajtmh.20-1177] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 11/22/2020] [Indexed: 01/05/2023] Open
Abstract
Epidemiology, ventilator management, and outcome in patients receiving invasive ventilation in intensive care units (ICUs) in middle-income countries are largely unknown. PRactice of VENTilation in Middle-income Countries is an international multicenter 4-week observational study of invasively ventilated adult patients in 54 ICUs from 10 Asian countries conducted in 2017/18. Study outcomes included major ventilator settings (including tidal volume [V T] and positive end-expiratory pressure [PEEP]); the proportion of patients at risk for acute respiratory distress syndrome (ARDS), according to the lung injury prediction score (LIPS), or with ARDS; the incidence of pulmonary complications; and ICU mortality. In 1,315 patients included, median V T was similar in patients with LIPS < 4 and patients with LIPS ≥ 4, but lower in patients with ARDS (7.90 [6.8-8.9], 8.0 [6.8-9.2], and 7.0 [5.8-8.4] mL/kg Predicted body weight; P = 0.0001). Median PEEP was similar in patients with LIPS < 4 and LIPS ≥ 4, but higher in patients with ARDS (five [5-7], five [5-8], and 10 [5-12] cmH2O; P < 0.0001). The proportions of patients with LIPS ≥ 4 or with ARDS were 68% (95% CI: 66-71) and 7% (95% CI: 6-8), respectively. Pulmonary complications increased stepwise from patients with LIPS < 4 to patients with LIPS ≥ 4 and patients with ARDS (19%, 21%, and 38% respectively; P = 0.0002), with a similar trend in ICU mortality (17%, 34%, and 45% respectively; P < 0.0001). The capacity of the LIPS to predict development of ARDS was poor (ROC AUC of 0.62, 95% CI: 0.54-0.70). In Asian middle-income countries, where two-thirds of ventilated patients are at risk for ARDS according to the LIPS and pulmonary complications are frequent, setting of V T is globally in line with current recommendations.
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Salim M, Masroor MS, Parween S, Singh M. A review on cytomegalovirus causing cancer in humans. J Med Res 2020. [DOI: 10.31254/jmr.2020.6514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Cytomegalovirus is a kind of herpes virus, HHV-5. It primarily causes congenital infections and the fetal abnormalities during pregnancies. Sometimes, very serious complications and consequences may occur. As human cytomegalovirus is a ubiquitous virus occurring worldwide in nature their infections are very common in human. It has got lifelong latency in human with their reactivation causing cancer in future. The present paper deals with the study of causes and consequences of disease complex and the development of cancer by primary infection and the reactivation of HCMV in human.
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Salim M, Masroor MS, Parween S, Prajapati I. An overview on human polyomaviruses developing cancer in humans. J Med Res 2020. [DOI: 10.31254/jmr.2020.6404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Debnath A, Salim M, Miah MF, Karim R, Alam MJ. Evaluation of Invertase Inhibition Activity and Cytotoxicity of Ethanol and Acetone Extracts of Swietenia macrophyllia Leaves, Syzygium cumini and Trigonella foenum-graecum Seeds. TRADITIONAL AND INTEGRATIVE MEDICINE 2020. [DOI: 10.18502/tim.v5i2.3626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Invertase, the key enzyme responsible for sucrose hydrolysis. Inhibition of invertase can decrease the postprandial blood sugar level in diabetic patients and keep the blood glucose level normal where cytotoxicity to fast-growing cells like those of brine shrimp (Artemia salina) nauplii is a great measurement for further important drug development. This study was aimed to investigate potential anti-diabetic and cytotoxic activities of the ethanol and acetone extracts of Swietenia macrophylla leaves, Syzygium cumini and Trigonella foenum-graecum seeds. Invertase inhibition activities of S. macrophylla leaves, S. cumini, and T. foenum-graecum seeds were measured by spectrophotometrically using standard protocols and cytotoxicity were measured by brine shrimp lethality bioassay. Among the plant extracts, all ethanol extracts showed higher invertase inhibition activities than all acetone extracts. S. cumini seed ethanol extract showed the highest invertase inhibition activity whereas S. macrophylla leaves acetone extract showed the lowest invertase inhibition activity. The maximum toxicity was observed in ethanol extract of T. foenum-graecum seed whereas the lowest toxicity was observed in acetone extract of S. macrophylla leaves. Both ethanol and acetone extract of T. foenum-graecumseeds showed significant cytotoxic activities. This investigation suggested that S. cumini and T. foenum-graecum seeds possess potential antidiabetic activities and T. foenum-graecum seeds have potential cytotoxicity.
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Khan U, Barkun AN, Benchimol EI, Salim M, Telford JJ, Enns RA, Mohamed R, Forbes N, Sandha GS, Mosko J, May G, Kortan P, Chatterjee A, James P. A272 THE CANADIAN DIRECT OBSERVATION OF PROCEDURAL SKILLS (CANDOPS) TOOL FOR ENDOSCOPIC RETROGRADE CHOLANGIOPANCREATOGRAPHY: A MULTI-CENTRE PROSPECTIVE STUDY. J Can Assoc Gastroenterol 2020. [DOI: 10.1093/jcag/gwz047.271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Background
Previous studies have demonstrated that many graduating trainees may not have all of the skills needed to independently practice endoscopic retrograde cholangiopancreatography (ERCP) safely and effectively. As a part of competency-based learning curriculum development, it is essential to provide formative feedback to trainees and ensure they acquire the knowledge and skills for independent practice.
Aims
To assess the performance of advanced endoscopy trainees across Canada using the Canadian Direct Observation of Procedural Skills (CanDOPS) ERCP assessment tool. Procedural items evaluated include both technical (cannulation, sphincterotomy, stone extraction, tissue sampling, and stent placement) and non-technical (leadership, communication and teamwork, judgment and decision making) skills.
Methods
We conducted a prospective national multi-centre prospective study. Advanced endoscopy trainees with at least two years of gastroenterology training or five years of general surgery in North America and minimal experience performing ERCPs (less than 100 ERCP procedures) were invited to participate. The CanDOPS tool was used to measure every fifth ERCP performed by trainees over a 12-month fellowship training period. ERCPs were evaluated by experienced staff endoscopists at each study site under standard clinical protocol. Cumulative sum (CUSUM) analyses were used to generate learning curves.
Results
The data from five Canadian sites and 11 trainees participated in the study. A total of 261ERCP evaluations were completed. Median number of evaluations by site and trainee was 49 (IQR 31–76) and 15 (IQR 11–45). Median number of cases trainees performed prior to their ERCP training was 50 (IQR 25–400). There was a significant improvement in almost all scores over time, including selective cannulation, sphincterotomy, biliary stenting and all non-technical skills (P<0.01). CUSUM analyses using acceptable and unacceptable failure rates of 20% and 50% demonstrated trainees achieved competency for most measures in their final month of their training. Competency in tissue sampling was not achieved within a one-year training period.
Conclusions
This is the first ERCP performance evaluation tool that examines multiple technical and non-technical aspects of the procedure. Although trainee ERCP skills do improve during their training period, there exists a notable variability in time to competency for the different skills measured using the CanDOPS tool. Large prospective research is required to determine if competency is achieved using more stringent definitions of ERCP competency and to determine factors associated with reaching competency.
Funding Agencies
None
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Arafath MA, Kwong HC, Adam F, Mohiuddin M, Sarker MS, Salim M, Alam MM. Bis{4-[(2-hy-droxy-5-meth-oxy-3-nitro-benzyl-idene)amino]-phen-yl} ether. Acta Crystallogr E Crystallogr Commun 2020; 76:91-94. [PMID: 31921459 PMCID: PMC6944087 DOI: 10.1107/s2056989019016852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 12/17/2019] [Indexed: 11/10/2022]
Abstract
The mol-ecule of the title compound, C28H22N4O9, exhibits crystallographically imposed twofold rotational symmetry, with a dihedral angle of 66.0 (2)° between the planes of the two central benzene rings bounded to the central oxygen atom. The dihedral angle between the planes of the central benzene ring and the terminal phenol ring is 4.9 (2)°. Each half of the mol-ecule exhibits an imine E configuration. An intra-molecular O-H⋯N hydrogen bond is present. In the crystal, the mol-ecules are linked into layers parallel to the ab plane via C-H⋯O hydrogen bonds. The crystal studied was refined as a two-component pseudomerohedral twin.
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Ahmed S, Chalchal H, Dwernychuk L, Iqbal N, Salim M, Gowan-Moody D, Asif T, Khan M, Lim J, Bulych D, Ahmed O, Sami A, Kontulainen S, Leis A. Role of individualized intervention(s) on quality of life (QoL) and adherence to adjuvant endocrine therapy in premenopausal women with early-stage breast cancer (bc): MyChoice study. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz240.113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Hotte S, Winquist E, Chi K, Ellard S, Sridhar S, Emmenegger U, Salim M, Iqbal N, Canil C, Kollmannsberger C, Hansen A, Lalani AKA, Gingerich J, Finch D, Cabanero M, Wyatt A, Tu D, Vera-Badillo F, Seymour L, Smoragiewicz M. CCTG IND 232: A phase II study of durvalumab with or without tremelimumab in patients with metastatic castration resistant prostate cancer (mCRPC). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz394.044] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Nasir I, Salim M, Shakeel O, Abubakar M, Pervaiz A, Khan A. The impact of molecular subtypes of breast carcinoma on response to neo-adjuvant chemotherapy in Asian population. Breast 2019. [DOI: 10.1016/s0960-9776(19)30277-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Salim M, Masroor MS, Parween S. A note on mycoplasmal origin of cancer. J Med Res 2019. [DOI: 10.31254/jmr.2019.5606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The bacterial origin of cancer has so far been well documented by several scientists [7,26,27]. Similarly, some mycoplasmal infections have also been found to cause cancer in human. They are usually associated with some urinogenital infections and arthritis in human. The present paper deals with the study of different mycoplasmal infections developing cancer in association with various ailments and diseases in human.
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Warnasooriya C, Ling C, Belashov IA, Salim M, Wedekind JE, Ermolenko DN. Observation of preQ 1-II riboswitch dynamics using single-molecule FRET. RNA Biol 2018; 16:1086-1092. [PMID: 30328747 DOI: 10.1080/15476286.2018.1536591] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
PreQ1 riboswitches regulate the synthesis of the hypermodified tRNA base queuosine by sensing the pyrrolopyrimidine metabolite preQ1. Here, we use single-molecule FRET to interrogate the structural dynamics of apo and preQ1-bound states of the preQ1-II riboswitch from Lactobacillus rhamnosus. We find that the apo-form of the riboswitch spontaneously samples multiple conformations. Magnesium ions and preQ1 stabilize conformations that sequester the ribosome-binding site of the mRNA within the pseudoknotted structure, thus inhibiting translation initiation. Our results reveal that folding of the preQ1-II riboswitch is complex and provide evidence favoring a conformational selection model of effector binding by riboswitches of this class.
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Khanum E, Islam MA, Salim M, Islam SMR, PK MRH. Management of OPC and Carbamate Poisoning in Intensive Care Unit of Enam Medical College & Hospital, Savar, Dhaka. JOURNAL OF ENAM MEDICAL COLLEGE 2018. [DOI: 10.3329/jemc.v8i3.38364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Background: Bangladesh is an agriculture-dependent country. Organophosphorus insecticides are widely used for the better outcome of cultivation. It is used for suicidal purpose due to its easy availability all over the country. Worldwide, acute pesticide poisoning is causing major health problems with high mortality in developing countries.Objective: The objective of our study was to establish that early management of acute poisoning with organophosphorus and carbamate in ICU along with ventilatory support in severe respiratory distress reduces the mortality rate.Materials and Methods: This study was conducted in the Department of Anesthesiology & ICU in Enam Medical College & Hospital, Savar, Dhaka from January 2013 to December 2015. Total 84 patients with acute poisoning cases were selected. The diagnosis was confirmed by the history of ingestion of insecticides, observing clinical signs and symptoms and presence of foul smelling of poisonous agent. Management included supportive care, intubation, artificial ventilation in selective cases, administration of antidotes as loading and maintenance dose for atropinization with atropine and pralidoxime, antibiotics, anti-ulcerant, anticonvulsant, inotropic support (in severe hypotension) along with other symptomatic treatment. After stabilization, decontamination was started with removal of contaminated clothes, thorough wash with soap and water, irrigation of eyes with water and normal saline. Gastric lavage was given within 2 to 3 hours of ingestion of poison.Results: Acute poisoning was observed more in male (60.71%) than in female (39.29%) and in age group of 21–40 years (60.71%). Suicidal attempt was present in 97.61% cases and causes of suicidal poisoning were familial disharmony (76.19%), financial loss (14.28%) and failure in examination (9.52%). Organophosphate group poison ingestion was in 77.38% cases and carbamate group poison in 21.43% and both agents in 1.19% cases. Ventilatory support was given in 48.80% cases and 78.05% patients were successfully extubated from mechanical ventilator. Mean duration of ventilatory support was 2–14 days. Out of 84 patients, 75 (89.28%) survived and 9 (10.72%) patients expired. Fifty two (61.91%) patients were discharged within 4–6 days, 16 (19.04%) within 2–3 days, and 7 (8.33%) patients were discharged within 7–14 days.Conclusion: Early ICU admission and appropriate management of patients after ingestion of poisonous agent results in reduced morbidity and mortality.J Enam Med Col 2018; 8(3): 144-152
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Salim M, Hamid S. Independent Review Of Research Proposals From Ethical Point Of View In Pakistan. J Ayub Med Coll Abbottabad 2018; 30:588-591. [PMID: 30632343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
BACKGROUND Ethics is a part of subject philosophy and gained importance in research after the Nuremberg Code that led to Helsinki's Declaration on research ethics. In most developed countries stringent measures are taken to implement ethics in research. Awareness is on the rise in developing countries too. METHODS This cross-sectional part of mixed methods design of study is part of a PhD thesis. Data was collected from medical institutions including medical colleges, medical universities, dental colleges, and teaching hospitals of Pakistan. Questionnaires were developed, and final version was adopted after pretesting. Questionnaires were sent via registered post. RESULTS A total of 78 institutions responded. Out of 78, 48 (61.5%) were in public sector and 30(38.5%) in private sector. Seventy-four (94%) had institutional review boards. The numbers of members ranged from 1 to 15 with 40(54%) having number of members from 3 to 7. Out of 74 with IRBs, 17(23%) had members from community, 11(15%) had religious scholars and 8(11%) had members from legal background. Sixty-four (86.5%) responded that they had time frames for research proposal processing that ranged from one to 26 weeks (6.2±5.6). CONCLUSIONS It is concluded that most of the medical institutions where research is conducted and approved through deficient research ethical boards in terms of their constitution. Research ethics is not a priority area for most of the institutions. Representation of society at large is missing. National action is required at government level.
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Tan W, Hillman D, Salim M, Northfelt D, Anderson D, Stella P, Niedringhaus R, Bernath A, Gamini S, Palmieri F, Perez E. Correction to: N0332 phase 2 trial of weekly irinotecan hydrochloride and docetaxel in refractory metastatic breast cancer: a North Central Cancer Treatment Group (NCCTG) Trial. Ann Oncol 2018; 29:2150. [DOI: 10.1093/annonc/mdx811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Ullah F, Bhattarai D, Cheng Z, Liang X, Deng T, Rehman ZU, Talpur HS, Worku T, Brohi RD, Safdar M, Ahmad MJ, Salim M, Khan M, Ahmad HI, Zhang S. Comparative Analysis of V-Akt Murine Thymoma Viral Oncogene Homolog 3 (AKT3) Gene between Cow and Buffalo Reveals Substantial Differences for Mastitis. BIOMED RESEARCH INTERNATIONAL 2018; 2018:1463732. [PMID: 29862252 PMCID: PMC5976927 DOI: 10.1155/2018/1463732] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Revised: 12/31/2017] [Accepted: 01/14/2018] [Indexed: 11/17/2022]
Abstract
AKT3 gene is a constituent of the serine/threonine protein kinase family and plays a crucial role in synthesis of milk fats and cholesterol by regulating activity of the sterol regulatory element binding protein (SREBP). AKT3 is highly conserved in mammals and its expression levels during the lactation periods of cattle are markedly increased. AKT3 is highly expressed in the intestine followed by mammary gland and it is also expressed in immune cells. It is involved in the TLR pathways as effectively as proinflammatory cytokines. The aims of this study were to investigate the sequences differences between buffalo and cow. Our results showed that there were substantial differences between buffalo and cow in some exons and noteworthy differences of the gene size in different regions. We also identified the important consensus sequence motifs, variation in 2000 upstream of ATG, substantial difference in the "3'UTR" region, and miRNA association in the buffalo sequences compared with the cow. In addition, genetic analyses, such as gene structure, phylogenetic tree, position of different motifs, and functional domains, were performed to establish their correlation with other species. This may indicate that a buffalo breed has potential resistance to disease, environment changes, and airborne microorganisms and some good production and reproductive traits.
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Priante F, Salim M, Ottaviano L, Perrozzi F. XPS study of graphene oxide reduction induced by (100) and (111)-oriented Si substrates. NANOTECHNOLOGY 2018; 29:075704. [PMID: 29260737 DOI: 10.1088/1361-6528/aaa320] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The reduction of graphene oxide (GO) has been extensively studied in literature in order to let GO partially recover the properties of graphene. Most of the techniques proposed to reduce GO are based on high temperature annealing or chemical reduction. A new procedure, based on the direct reduction of GO by etched Si substrate, was recently proposed in literature. In the present work, we accurately investigated the Si-GO interaction with x-ray photoelectron spectroscopy. In order to avoid external substrate oxidation factors we used EtOH as the GO solvent instead of water, and thermal annealing was carried out in UHV. We investigated the effect of Si(100), Si(111) and Au substrates on GO, to probe the role played by both the substrate composition and substrate orientation during the reduction process. A similar degree of GO reduction was observed for all samples but only after thermal annealing, ruling out the direct reduction effect of the substrate.
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Eigl BJ, Chi K, Tu D, Hotte SJ, Winquist E, Booth CM, Canil C, Potvin K, Gregg R, North S, Zulfiqar M, Ellard S, Ruether JD, Le L, Kakumanu AS, Salim M, Allan AL, Feilotter H, Theis A, Seymour L. A randomized phase II study of pelareorep and docetaxel or docetaxel alone in men with metastatic castration resistant prostate cancer: CCTG study IND 209. Oncotarget 2018; 9:8155-8164. [PMID: 29487723 PMCID: PMC5814290 DOI: 10.18632/oncotarget.24263] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 01/02/2018] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Pelareorep is an oncolytic virus with activity in many cancers including prostate. It has in vitro synergism with microtubule-targeted agents. We undertook a clinical trial evaluating pelareorep in mCRPC patients receiving docetaxel. PATIENTS AND METHODS In this randomized, open-label phase II study, patients received docetaxel 75mg/m2 on day 1 of a 21-day cycle and prednisone 5mg twice daily, in combination with pelareorep (arm A) or alone (arm B). The primary endpoint was 12 weeks lack of disease progression rate (LPD). RESULTS Eighty-five pts were randomized. Median age was 69, ECOG performance status was 0/1/2 in 31%/66%/3% of patients. Bone/regional lymph node/liver metastases were present in 98%/24%/6%. The median prognostic score was slightly higher in Arm A (144 vs. 129 p= 0.005). Adverse events were as expected but more prevalent in arm A. The 12-week LPD rate was 61% and 52.4% in arms A/B (p=0.51). Median survival was 19.1 on Arm A and 21.1 months on Arm B (HR 1.83; 95% CI 0.96 to 3.52; p=0.06). No survival benefit of pelareorep was found. CONCLUSION Pelareorep with docetaxel was tolerable with comparable LPD in both arms but response and survival were inferior and so this combination does not merit further study.
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Khan W, Khan J, Rahman A, Ullah H, Salim M, Iqbal M, Khan I, Salman M, Munir B. Albendazole in the treatment of Hymenolepiasis in school children. PAKISTAN JOURNAL OF PHARMACEUTICAL SCIENCES 2018; 31:305-309. [PMID: 29386158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Hymenolepiasis is a helminthic and occasionally fatal disease of human imposing heavy economic losses to human society. Present study was aimed to diagnose the school children for the prevalence and control of Hymenolepiasis. A school based cross-sectional analysis of stool samples collected from 188 children aged 06-15 years was carried out (February to June 2016). Two stool samples were collected from each student before diagnosing and after treatment. The samples were fixed in 10% formalin and observed under the light microscope using the methods of direct smear in Lugol's solution, normal saline and flotation techniques. On the basis of drugs accessibility all the H. nana infected children were divided in to 2- groups. Children in group A were treated with albendazole (bendazol) 400mg once orally, group B was treated with albendazole (zentel) 200mg orally. Eggs per gram of faeces were counted in each group before and after treatment. Of the 188 children, current study reveals only 6.08% (n=18/296) infection with H.nana and 10.5% (n=16/151) were diagnosed with co infections. The % efficacy of albendazole (Zentel) and albendazole (bendazol) against Hymenolepis nana infection was reported as 83% and 75% respectively. Present study was concluded that albendazole (zentel) is the drug of choice for the treatment of hymenolepiasis in children.
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Bernstein V, Ellard SL, Dent SF, Tu D, Mates M, Dhesy-Thind SK, Panasci L, Gelmon KA, Salim M, Song X, Clemons M, Ksienski D, Verma S, Simmons C, Lui H, Chi K, Feilotter H, Hagerman LJ, Seymour L. A randomized phase II study of weekly paclitaxel with or without pelareorep in patients with metastatic breast cancer: final analysis of Canadian Cancer Trials Group IND.213. Breast Cancer Res Treat 2017; 167:485-493. [PMID: 29027598 DOI: 10.1007/s10549-017-4538-4] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Accepted: 10/10/2017] [Indexed: 02/07/2023]
Abstract
BACKGROUND Pelareorep, a serotype 3 reovirus, has demonstrated preclinical and early clinical activity in breast cancer and synergistic cytotoxic activity with microtubule targeting agents. This multicentre, randomized, phase II trial was undertaken to evaluate the efficacy and safety of adding pelareorep to paclitaxel for patients with metastatic breast cancer (mBC). METHODS Following a safety run-in of 7 patients, 74 women with previously treated mBC were randomized either to paclitaxel 80 mg/m2 intravenously on days 1, 8, and 15 every 4 weeks plus pelareorep 3 × 1010 TCID50 intravenously on days 1, 2, 8, 9, 15, and 16 every 4 weeks (Arm A) or to paclitaxel alone (Arm B). Primary endpoint was progression-free survival (PFS). Secondary endpoints were objective response rate, overall survival (OS), circulating tumour cell counts, safety, and exploratory correlative analyses. All comparisons used a two-sided test at an alpha level of 20%. Survival analyses were adjusted for prior paclitaxel. RESULTS Final analysis was performed after a median follow-up of 29.5 months. Pelareorep was well tolerated. Patients in Arm A had more favourable baseline prognostic variables. Median adjusted PFS (Arm A vs B) was 3.78 mo vs 3.38 mo (HR 1.04, 80% CI 0.76-1.43, P = 0.87). There was no difference in response rate between arms (P = 0.87). Median OS (Arm A vs B) was 17.4 mo vs 10.4 mo (HR 0.65, 80% CI 0.46-0.91, P = 0.1). CONCLUSIONS This first, phase II, randomized study of pelareorep and paclitaxel in previously treated mBC did not show a difference in PFS (the primary endpoint) or RR. However, there was a significantly longer OS for the combination. Further exploration of this regimen in mBC may be of interest.
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Regan MM, Walley BA, Francis PA, Fleming GF, Láng I, Gómez HL, Colleoni M, Tondini C, Pinotti G, Salim M, Spazzapan S, Parmar V, Ruhstaller T, Abdi EA, Gelber RD, Coates AS, Goldhirsch A, Pagani O. Concurrent and sequential initiation of ovarian function suppression with chemotherapy in premenopausal women with endocrine-responsive early breast cancer: an exploratory analysis of TEXT and SOFT. Ann Oncol 2017; 28:2225-2232. [PMID: 28911092 PMCID: PMC5834112 DOI: 10.1093/annonc/mdx285] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Recent breast cancer treatment guidelines recommend that higher-risk premenopausal patients should receive ovarian function suppression (OFS) as part of adjuvant endocrine therapy. If chemotherapy is also given, it is uncertain whether to select concurrent or sequential OFS initiation. DESIGN AND METHODS We analyzed 1872 patients enrolled in the randomized phase III TEXT and SOFT trials who received adjuvant chemotherapy for hormone receptor-positive, HER2-negative breast cancer and upon randomization to an OFS-containing adjuvant endocrine therapy, initiated gonadotropin-releasing-hormone-agonist triptorelin. Breast cancer-free interval (BCFI) was compared between patients who received OFS concurrently with chemotherapy in TEXT (n = 1242) versus sequentially post-chemotherapy in SOFT (n = 630). Because timing of trial enrollment relative to adjuvant chemotherapy differed, we implemented landmark analysis re-defining BCFI beginning 1 year after final dose of chemotherapy (median, 15.5 and 8.1 months from enrollment to landmark in TEXT and SOFT, respectively). As a non-randomized treatment comparison, we implemented comparative-effectiveness propensity score methodology with weighted Cox modeling. RESULTS Distributions of several clinico-pathologic characteristics differed between groups. Patients who were premenopausal post-chemotherapy in SOFT were younger on average. The median duration of adjuvant chemotherapy was 18 weeks in both groups. There were 231 (12%) BC events after post-landmark median follow-up of about 5 years. Concurrent use of triptorelin with chemotherapy was not associated with a significant difference in post-landmark BCFI compared with sequential triptorelin post-chemotherapy, either in the overall population (HR = 1.11, 95% CI 0.72-1.72; P = 0.72; 4-year BCFI 89% in both groups), or in the subgroup of 692 women <40 years at diagnosis (HR = 1.13, 95% CI 0.69-1.84) who are less likely to develop chemotherapy-induced amenorrhea. CONCLUSION Based on comparative-effectiveness modeling of TEXT and SOFT after about 5 years median follow-up, with limited statistical power especially for the subgroup <40 years, neither detrimental nor beneficial effect of concurrent administration of OFS with chemotherapy on the efficacy of adjuvant therapy that includes chemotherapy was detected. CLINICALTRIALS.GOV NCT00066690 and NCT00066703.
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Lui E, Salim M, Chahal M, Puri N, Marandi E, Quadrilatero J, Satvat E. Chronic corticosterone-induced impaired cognitive flexibility is not due to suppressed adult hippocampal neurogenesis. Behav Brain Res 2017; 332:90-98. [DOI: 10.1016/j.bbr.2017.05.060] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Revised: 05/22/2017] [Accepted: 05/25/2017] [Indexed: 12/20/2022]
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Begum K, Islam MN, Hossain MA, Ali MA, Islam MK, Islam MA, Salim M, Oliullah M. Risk Factors and Immediate Outcome of Very Low Birth Weight Babies (Appropriate For Gestational Age) In Newly Established SCANU, Mymensingh Medical College Hospital. Mymensingh Med J 2017; 26:477-482. [PMID: 28919598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Low birth weight (LBW) is the most important preventable cause in the neonatal period leading to very high neonatal mortality and morbidity in developing countries like Bangladesh. A cross sectional study was conducted in the neonatology ward, Mymensingh Medical College Hospital, Mymensingh from July 2014 to December 2014 to identify the risk factors and immediate hospital outcome of Very Low Birth Weight (VLBW) Appropriate for Gestational Age (AGA) babies in context of present neonatal hospital care standard. Total 100 preterm very low birth weight babies were enrolled and selected by weight, intra uterine growth chart and new ballad score. There is slight preponderance of male babies (64%) over female babies (36%). The overall survival and mortality rate was 50% and 50% respectively in the present study. Mortality is highest (76.47%) in babies whose gestational age 28 weeks and the mortality rate gradually decrease as gestational age increases. Correlation co-efficient (r) between gestational age and number of died is -0.85. It indicates highly opposite relation between the variables, p value (<0.069) which is strong opposite relation. Mortality is highest (66.66%) in babies whose birth weight below1100gm, in comparison to those whose birth weight above 1100gm and correlation co-efficient (CC) r = -0.433 (p<0.466) which is not significant. That means not only birth weight but also other factors are responsible for mortality of very low birth weight baby. Neonatal mortality bears inverse relationship with birth weight and gestational age. This emphasized the need for large scale study which will provide the guideline for appropriate measures to be taken to combat the situation.
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Salim M, Javid A, Faiz-ur-Rahman FUR, Iqbal KJ, Ullah F. Morphometric Variability in Horseshoe Bat Species, Rhinolophus Ferrumequinum and Rhinolophus lepidus Captured from District Malakand, Khyber Pakhtunkhwa, Pakistan. PAK J ZOOL 2017. [DOI: 10.17582/journal.pjz/2017.49.4.1151.1157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Salim M, Amir S, Batool S, Khan A. Ki 67 expression in breast cancer and prediction of tumor behavior in our population. Breast 2017. [DOI: 10.1016/s0960-9776(17)30331-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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