Displaying publications 1 - 20 of 39 in total

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  1. Halabi MF, Sheikh BY
    Biomed Res Int, 2014;2014:906239.
    PMID: 24791006 DOI: 10.1155/2014/906239
    The antiproliferative and antioxidant potential of Cymbopogon citratus (Lemon grass) extracts were investigated. The extracts were isolated by solvent maceration method and thereafter subjected to antiproliferative activity test on five different cancer cells: human colon carcinoma (HCT-116), breast carcinoma (MCF-7 and MDA-MB 231), ovarian carcinoma (SKOV-3 and COAV), and a normal liver cell line (WRL 68). The cell viability was determined using MTT assay. The DPPH radical scavenging assay revealed a concentration dependent trend. A maximum percentage inhibition of 45% and an IC50 of 278  μg/mL were observed when aqueous extract was evaluated. In contrast, 48.3% and IC50 of 258.9  μg/mL were observed when 50% ethanolic extract was evaluated. Both extracts at concentration of 50 to 800  μg/mL showed appreciative metal chelating activity with IC50 value of 172.2 ± 31  μg/mL to 456.5 ± 30  μg/mL. Depending on extraction solvent content, extract obtained from 50% ethanolic solvent proved to be more potent on breast cancer MCF-7 cell line (IC50 = 68  μg/mL). On the other hand, 90% ethanolic extract showed a moderate potency on the ovarian cancer (COAV) and MCF-7 cells having an IC50 of 104.6  μg/mL each. These results suggested antiproliferative efficacy of C. citratus ethanolic extract against human cancer cell lines.
  2. Alkandari AF, Alsarraf HM, Alkandari MF
    Cureus, 2023 Feb;15(2):e35060.
    PMID: 36942189 DOI: 10.7759/cureus.35060
    Accidental foreign body (FB) ingestion is common in the elderly, particularly edentulous and denture wearers. The most commonly ingested FBs are food-related, including fish and chicken bones. While small FBs can pass through the gastrointestinal tract without any complications, large or irregular-shaped FBs usually cause complications. These complications include choking, ulceration, perforation, fistula, abscess formation, or even death. Ingestion of a large chicken bone that reaches the anal canal without causing injury is extremely rare. We present a rare case of accidental chicken bone (xiphoid process) ingestion that manifested itself by projecting from the anus while defecating. Interestingly, the patient did not experience any food choking or abdominal pain, nor did she have any type of dementia. However, the patient could not grind food properly due to the loss of her upper molar teeth, which made her develop a habit of rapid swallowing. On examination, the chicken bone was seen within the anus with a sharp edge embedded in the mucosal wall. While a plain pelvic X-ray failed to display the FB, a pelvic CT scan with a 3D illustration showed its dimensions (5.0 x 2.5 x 3 cm). A plain pelvic CT scan confirmed the presence of the bone-contrast FB within the anal canal without injuring the surrounding anatomical structures. The FB was gently manipulated and successfully extracted after administering 5 ml of lidocaine gel enema. The patient was counseled regarding proper chewing habits, and she was referred to a dental clinic for a professional assessment. Seven days later, the patient was seen again at the clinic for a follow-up and was found to have an uneventful recovery. Maintaining good dental health and proper eating habits, as well as increasing awareness among edentulous individuals and denture wearers, are required to prevent accidental FB ingestions.
  3. F AT, Mohammed F
    J Clin Diagn Res, 2014 Jul;8(7):ZD03-4.
    PMID: 25177646 DOI: 10.7860/JCDR/2014/8671.4546
    Susuk or charm needles are a facial cum body art widely practiced among women of Malaysia, Brunei, Singapore, Thailand and Indonesia. These are small, needle-shaped metallic talismans inserted subcutaneously in different parts of the body. The concealed art of susuk was "exposed" by routine radiographic examination in the oral and maxillofacial region. This paper reports two such cases of unusual incidental radiographic finding in dental radiographs which were taken on a routine basis as part of the diagnostic work up. This article will also primarily enlighten the importance of radiographs in detecting such charm needles as the wearer keeps the body art a "hidden secret" thereby avoiding misdiagnosis.
  4. Ng, B.K., Wang, P.Y., Mohammed, F., Lim, P.S., Mahdy, Z.A., Ng, W.Y.L.
    MyJurnal
    First trimester placenta accreta is a rare occurrence but potential life threatening and catastrophic. Most of these
    cases ended up with emergency hysterectomy. We report a case of incidental finding of placental accreta during
    evacuation of retained product of conception (ERPOC) for missed miscarriage. A 33-year-old, Gravida 4 Para 2 + 1
    at 15 weeks’ gestation admitted for missed miscarriage, failed medical evacuation requiring ERPOC. There was
    excessive bleeding during the procedure and required hysterectomy and bilateral internal iliac artery ligation.
    Histopathological examination confirmed products of conception with evidence of placenta accreta. This case
    highlighted the diagnostic dilemma and importance of early accurate diagnosis of placental accreta prior to any
    surgical intervention for miscarriage.
  5. Abushammala MF, Basri NE, Elfithri R
    Environ Monit Assess, 2013 Dec;185(12):9967-78.
    PMID: 23797636
    Methane (CH₄) emissions and oxidation were measured at the Air Hitam sanitary landfill in Malaysia and were modeled using the Intergovernmental Panel on Climate Change waste model to estimate the CH₄ generation rate constant, k. The emissions were measured at several locations using a fabricated static flux chamber. A combination of gas concentrations in soil profiles and surface CH₄ and carbon dioxide (CO₂) emissions at four monitoring locations were used to estimate the CH₄ oxidation capacity. The temporal variations in CH₄ and CO₂ emissions were also investigated in this study. Geospatial means using point kriging and inverse distance weight (IDW), as well as arithmetic and geometric means, were used to estimate total CH₄ emissions. The point kriging, IDW, and arithmetic means were almost identical and were two times higher than the geometric mean. The CH₄ emission geospatial means estimated using the kriging and IDW methods were 30.81 and 30.49 gm(−2) day(−1), respectively. The total CH₄ emissions from the studied area were 53.8 kg day(−1). The mean of the CH₄ oxidation capacity was 27.5 %. The estimated value of k is 0.138 year(−1). Special consideration must be given to the CH₄ oxidation in the wet tropical climate for enhancing CH₄ emission reduction.
  6. Abushammala MF, Noor Ezlin Ahmad Basri, Basri H, Ahmed Hussein El-Shafie, Kadhum AA
    Waste Manag Res, 2011 Aug;29(8):863-73.
    PMID: 20858637 DOI: 10.1177/0734242X10382064
    The decomposition of municipal solid waste (MSW) in landfills under anaerobic conditions produces landfill gas (LFG) containing approximately 50-60% methane (CH(4)) and 30-40% carbon dioxide (CO(2)) by volume. CH(4) has a global warming potential 21 times greater than CO(2); thus, it poses a serious environmental problem. As landfills are the main method for waste disposal in Malaysia, the major aim of this study was to estimate the total CH(4) emissions from landfills in all Malaysian regions and states for the year 2009 using the IPCC, 1996 first-order decay (FOD) model focusing on clean development mechanism (CDM) project applications to initiate emission reductions. Furthermore, the authors attempted to assess, in quantitative terms, the amount of CH(4) that would be emitted from landfills in the period from 1981-2024 using the IPCC 2006 FOD model. The total CH(4) emission using the IPCC 1996 model was estimated to be 318.8 Gg in 2009. The Northern region had the highest CH(4) emission inventory, with 128.8 Gg, whereas the Borneo region had the lowest, with 24.2 Gg. It was estimated that Pulau Penang state produced the highest CH(4) emission, 77.6 Gg, followed by the remaining states with emission values ranging from 38.5 to 1.5 Gg. Based on the IPCC 1996 FOD model, the total Malaysian CH( 4) emission was forecast to be 397.7 Gg by 2020. The IPCC 2006 FOD model estimated a 201 Gg CH(4) emission in 2009, and estimates ranged from 98 Gg in 1981 to 263 Gg in 2024.
  7. Tawfiq MF, Aroua MK, Sulaiman NM
    J Environ Sci (China), 2015 Jul 1;33:239-44.
    PMID: 26141898 DOI: 10.1016/j.jes.2015.01.015
    Atmospheric pollution and global warming issues are increasingly becoming major environmental concerns. Fire is one of the significant sources of pollutant gases released into the atmosphere; and tropical biomass fires, which are of particular interest in this study, contribute greatly to the global budget of CO and CO2. This pioneer research simulates the natural biomass burning strategy in Malaysia using an experimental burning facility. The investigation was conducted on the emissions (CO2, CO, and Benzene, Toluene, Ethylbenzene, Xylenes (BTEX)) from ten tropical biomass species. The selected species represent the major tropical forests that are frequently subjected to dry forest fire incidents. An experimental burning facility equipped with an on-line gas analyzer was employed to determine the burning emissions. The major emission factors were found to vary among the species, and the specific results were as follows. The moisture content of a particular biomass greatly influenced its emission pattern. The smoke analysis results revealed the existence of BTEX, which were sampled from a combustion chamber by enrichment traps aided with a universal gas sampler. The BTEX were determined by organic solvent extraction followed by GC/MS quantification, the results of which suggested that the biomass burning emission factor contributed significant amounts of benzene, toluene, and m,p-xylene. The modified combustion efficiency (MCE) changed in response to changes in the sample moisture content. Therefore, this study concluded that the emission of some pollutants mainly depends on the burning phase and sample moisture content of the biomass.
  8. Jacob S, Ibrahim MM, Mohammed F
    Ment Health Fam Med, 2013 Jan;10(1):37-43.
    PMID: 24381653
    The present study was conducted primarily to determine the occurrence of polypharmacy in patients with schizophrenia on risperidone. The secondary aim was to ascertain the incidence of inappropriate prescribing with anticholinergics. A retrospective review of the medical records of all patients who were being followed up at the out-patient clinic of a tertiary-care hospital in Malaysia was conducted. Only patients who were being prescribed risperidone between 1 June 2008 and 31 December 2008 were included in the study. Demographic data such as patient's age, gender and race were obtained from the patient's medical records. In total, 113 patients met the selection criteria. Polypharmacy was found to occur in 34 patients (30.09%), with the majority (76.47%) being on two antipsychotics. In total, 27 patients (34.18%) on monotherapy with risperidone were prescribed an anticholinergic on scheduled dosing, while 19 patients (24.05%) were prescribed it on an as-needed basis. Of the patients on polypharmacy, 26 (76.47%) were on scheduled dosing of anticholinergics, while three (8.82%) were taking the medication on an as-needed basis. Polypharmacy should be avoided, and the use of anticholinergics should be closely reviewed. By adopting more efficient prescribing practices, costs can be reduced and financial resources can instead be channelled towards more beneficial areas for the patients.
    Study site: Psychiatric clinic, tertiary hospital, Malaysia
  9. Sallapan S, Abu Bakar NZ, Jarmin R, Masir N, Mohammed F
    Malays J Pathol, 2018 Dec;40(3):359-371.
    PMID: 30580370
    INTRODUCTION: Primary pancreatic lymphomas are extremely rare. Clinically, primary pancreatic lymphoma mimics symptoms of carcinoma of the pancreatic head. Clinical and radiological features may overlap with other pancreatic conditions such as carcinoma, neuroendocrine tumours and autoimmune pancreatitis.

    CASE REPORT: We report a case of a 75-year-old man who presented with symptoms of obstructive jaundice. Ultrasonography and computed tomography (CT) showed an ill-defined lobulated soft tissue lesion at the head/uncinate process of the pancreas measuring 4.5 x 4.9 x 5.8 cm. The patient underwent pancreaticoduodenectomy for suspected pancreatic head/uncinate process carcinoma. Histopathology and immunohistochemical assessment of the pancreatic lesion established the diagnosis of a low-grade follicular lymphoma.

    DISCUSSION: Clinical and imaging features of primary pancreatic lymphoma may often overlap with pancreatic carcinoma. There is a value of obtaining preoperative tissue diagnosis such as tissue biopsy and fine needle aspiration (FNA) cytology with or without flow cytometry to make an accurate diagnosis of non-Hodgkin lymphoma and alleviate the need of more radical surgery in pancreatic lymphoma.

  10. Jacob SA, Mohammed F, Hassali MA
    Malays J Med Sci, 2015 Jan-Feb;22(1):58-69.
    PMID: 25892951 MyJurnal
    BACKGROUND: Client characteristics provide useful information for designing programs that target individuals with risk factors for substance use and for determining client retention. Therefore, this study examined the profiles of clients attending a methadone clinic.
    METHODS: A cross-sectional analysis of clients of a methadone clinic was conducted through a survey to obtain a profile of methadone clients.
    RESULTS: Of the 51 patients who responded (response rate: 66.2%), the mean (SD) age at which they started substance use was 19.8 (5.1) years. Friends were cited as the most regular source of drugs (82.4%), and heroin was the most commonly used drug (98%). Daily substance use was reported by 72.5% of the respondents; 23.5% admitted to having stolen money to purchase drugs; 92.2% tried quitting substance use on their own and 98% stated that the main reason for registering at the clinic was that they wanted to stop their drug dependence. Approximately 60% of clients were receiving methadone doses of less than 60 mg/day.
    CONCLUSION: Heroin is still the most popular drug of abuse and most clients still receive methadone doses below the recommended level, despite evidence of poor patient retention rates associated with these low doses.
    KEYWORDS: Malaysia; methadone; patient appointments; profile; substance use
    Study site: Methadone clinic, hospital, Malaysia.
  11. Abushammala MF, Basri NE, Basri H, Kadhum AA, El-Shafie AH
    Environ Monit Assess, 2013 Jun;185(6):4919-32.
    PMID: 23054277 DOI: 10.1007/s10661-012-2913-5
    Methane (CH₄) is one of the most relevant greenhouse gases and it has a global warming potential 25 times greater than that of carbon dioxide (CO₂), risking human health and the environment. Microbial CH₄ oxidation in landfill cover soils may constitute a means of controlling CH₄ emissions. The study was intended to quantify CH₄ and CO₂ emissions rates at the Sungai Sedu open dumping landfill during the dry season, characterize their spatial and temporal variations, and measure the CH₄ oxidation associated with the landfill cover soil using a homemade static flux chamber. Concentrations of the gases were analyzed by a Micro-GC CP-4900. Two methods, kriging values and inverse distance weighting (IDW), were found almost identical. The findings of the proposed method show that the ratio of CH₄ to CO₂ emissions was 25.4 %, indicating higher CO₂ emissions than CH₄ emissions. Also, the average CH₄ oxidation in the landfill cover soil was 52.5 %. The CH₄ and CO₂ emissions did not show fixed-pattern temporal variation based on daytime measurements. Statistically, a negative relationship was found between CH₄ emissions and oxidation (R(2) = 0.46). It can be concluded that the variation in the CH₄ oxidation was mainly attributed to the properties of the landfill cover soil.
  12. Younes MK, Nopiah ZM, Basri NE, Basri H, Abushammala MF, Younes MY
    Waste Manag, 2016 Sep;55:3-11.
    PMID: 26522806 DOI: 10.1016/j.wasman.2015.10.020
    Solid waste prediction is crucial for sustainable solid waste management. The collection of accurate waste data records is challenging in developing countries. Solid waste generation is usually correlated with economic, demographic and social factors. However, these factors are not constant due to population and economic growth. The objective of this research is to minimize the land requirements for solid waste disposal for implementation of the Malaysian vision of waste disposal options. This goal has been previously achieved by integrating the solid waste forecasting model, waste composition and the Malaysian vision. The modified adaptive neural fuzzy inference system (MANFIS) was employed to develop a solid waste prediction model and search for the optimum input factors. The performance of the model was evaluated using the root mean square error (RMSE) and the coefficient of determination (R(2)). The model validation results are as follows: RMSE for training=0.2678, RMSE for testing=3.9860 and R(2)=0.99. Implementation of the Malaysian vision for waste disposal options can minimize the land requirements for waste disposal by up to 43%.
  13. Younes MK, Nopiah ZM, Basri NE, Basri H, Abushammala MF, Maulud KN
    Environ Monit Assess, 2015 Dec;187(12):753.
    PMID: 26573690 DOI: 10.1007/s10661-015-4977-5
    Most of the developing countries have solid waste management problems. Solid waste strategic planning requires accurate prediction of the quality and quantity of the generated waste. In developing countries, such as Malaysia, the solid waste generation rate is increasing rapidly, due to population growth and new consumption trends that characterize society. This paper proposes an artificial neural network (ANN) approach using feedforward nonlinear autoregressive network with exogenous inputs (NARX) to predict annual solid waste generation in relation to demographic and economic variables like population number, gross domestic product, electricity demand per capita and employment and unemployment numbers. In addition, variable selection procedures are also developed to select a significant explanatory variable. The model evaluation was performed using coefficient of determination (R(2)) and mean square error (MSE). The optimum model that produced the lowest testing MSE (2.46) and the highest R(2) (0.97) had three inputs (gross domestic product, population and employment), eight neurons and one lag in the hidden layer, and used Fletcher-Powell's conjugate gradient as the training algorithm.
  14. Zainudin LD, Abdul Hafidz MI, Zakaria AF, Mohd Zim MA, Ismail AI, Abdul Rani MF
    Respirol Case Rep, 2016 Mar;4(1):19-21.
    PMID: 26839696 DOI: 10.1002/rcr2.143
    We report a case of a 34-year-old lady with past history of asthma and pulmonary tuberculosis, who presented 5 weeks pregnant with acute dyspnea. Her chest X-ray showed left-sided complete lung collapse and concomitant right-sided pneumothorax. The pneumothorax was initially managed conservatively with a chest tube but due to its persistence despite suction, was subsequently changed to a Pneumostat(TM), with which she was later discharged. She had a normal echocardiography (ejection fraction [EF] 67%) at 5 weeks of gestation but developed pulmonary hypertension (EF 55%, pulmonary arterial pressure 40.7 mmHg) as the pregnancy progressed. She delivered a healthy baby at 35 weeks via elective lower section caesarean section with spinal anesthesia. We followed her up postnatally and noted the presence of left-sided pulmonary embolism, hypoplastic left lung, and left pulmonary artery. The management of this complex case involved a multidisciplinary effort between general medical, respiratory, obstetric, and cardiothoracic teams.
  15. Younes MK, Nopiah ZM, Basri NE, Basri H, Abushammala MF, K N A M
    J Air Waste Manag Assoc, 2015 Oct;65(10):1229-38.
    PMID: 26223583 DOI: 10.1080/10962247.2015.1075919
    Solid waste prediction is crucial for sustainable solid waste management. Usually, accurate waste generation record is challenge in developing countries which complicates the modelling process. Solid waste generation is related to demographic, economic, and social factors. However, these factors are highly varied due to population and economy growths. The objective of this research is to determine the most influencing demographic and economic factors that affect solid waste generation using systematic approach, and then develop a model to forecast solid waste generation using a modified Adaptive Neural Inference System (MANFIS). The model evaluation was performed using Root Mean Square Error (RMSE), Mean Absolute Error (MAE) and the coefficient of determination (R²). The results show that the best input variables are people age groups 0-14, 15-64, and people above 65 years, and the best model structure is 3 triangular fuzzy membership functions and 27 fuzzy rules. The model has been validated using testing data and the resulted training RMSE, MAE and R² were 0.2678, 0.045 and 0.99, respectively, while for testing phase RMSE =3.986, MAE = 0.673 and R² = 0.98.
  16. Ali MH, Alrasheedy AA, Kibuule D, Hassali MA, Godman B, Abdelwahab MF, et al.
    PMID: 31788562 DOI: 10.1016/j.jctube.2019.100120
    Background: Isoniazid (INH) is the mainstay antimicrobial in the treatment of tuberculosis (TB). It is acetlylated in the liver to acetyl-INH. However, there is variation in rate of acetylation of INH among TB patients (i.e. fast, intermediate or slow acetylators) which impacts on the treatment outcomes.

    Aim: The isoniazid acetylation phenotypes in the expatriate Sudanese population were determined to provide future guidance since TB is prevalent in Sudan.

    Methods: A community-based trial among Sudanese expatriates in Saudi Arabia was undertaken to identify INH-acetylation phenotypes. After overnight fasting, a single dose of 200 mg of INH was given to the volunteers. Three hours later, 5 ml of blood were drawn from each volunteer and prepared for High-Performance Liquid Chromatography (HPLC) analysis. The main outcomes were INH and Acetyl-INH concentrations in plasma and the subsequent Acetyl-INH/INH metabolic ratio (MR).

    Results: The findings suggest that slow acetylation is highly prevalent among the study participants (n = 43; 84.31%). Moreover, there was no statistically significant correlation between age and the MR (r = -0.18, P = 0.20). Further, there was no significant association between gender and the MR (P = 0.124). Similarly, no significant association was found between smoking habits and MR (P = 0.24).

    Conclusion: Isoniazid phenotyping suggests predominantly slow acetylation among the Sudanese in this sample. The study found no statistically significant associations between the MR and age or gender or smoking.

  17. Aldawsari MF, Ahmed MM, Fatima F, Anwer MK, Katakam P, Khan A
    Mar Drugs, 2021 Aug 20;19(8).
    PMID: 34436306 DOI: 10.3390/md19080467
    The objective of this work was to develop sustained-release Ca-alginate beads of apigenin using sodium alginate, a natural polysaccharide. Six batches were prepared by applying the ionotropic gelation technique, wherein calcium chloride was used as a crosslinking agent. The beads were evaluated for particle size, drug loading, percentage yield, and in vitro drug release. Particle size was found to decrease, and drug entrapment efficiency was enhanced with an increase in the polymer concentration. The dissolution study showed sustained drug release from the apigenin-loaded alginate beads with an increase in the polymer proportion. Based on the dissolution profiles, BD6 formulation was optimized and characterized for FTIR, DSC, XRD, and SEM, results of which indicated successful development of apigenin-loaded Ca alginate beads. MTT assay demonstrated a potential anticancer effect against the breast cancer MCF-7 cell lines. The antimicrobial activity exhibited effective inhibition in the bacterial and fungal growth rate. The DPPH measurement revealed that the formulation had substantial antioxidant activity, with EC50 value slightly lowered compared to pure apigenin. A stability study demonstrated that the BD6 was stable with similar (f2) drug release profiles in harsh condition. In conclusion, alginate-based beads could be used for sustaining the drug release of poorly water-soluble apigenin while also improving in vitro antitumor, antimicrobial, and antioxidant activity.
  18. Kumaresan R, Karthikeyan P, Mohammed F, Thapasum Fairozekhan A
    Int J Clin Pediatr Dent, 2013 Sep;6(3):201-4.
    PMID: 25206223 DOI: 10.5005/jp-journals-10005-1219
    Mucocele, a common benign cystic lesion of minor salivary gland and associated ducts develops following extravasation or retention of mucous material in the subepithelial tissue. Occurrence of mucocele of tongue is considered less frequent when compared to a higher incidence of mucocele in the lower lip of young patients. Different modalities of treatment, such as conventional surgical excision followed by newer techniques like cryosurgery, electrocautery have been proposed to completely remove the lesion and reduce the chances of recurrence. Herewith, we report a novel treatment technique using alginate impression material to aid in complete excision of mucocele of glands of Blandin-Nuhn. How to cite this article: Kumaresan R, Karthikeyan P, Mohammed F, Fairozekhan TA. A Novel Technique for the Management of Blandin-Nuhn Mucocele: A Case Report. Int J Clin Pediatr Dent 2013;6(3):201-204.
  19. Kamarudin NA, Abd Shukor N, Farouk WI, Muhammad Hanapi NA, Mohammed F
    Malays J Pathol, 2021 Dec;43(3):389-396.
    PMID: 34958060
    INTRODUCTION: Tumour microenvironment (TME) has been postulated to be involved in cancer development and disease progression. Studies have shown CD10 expressed in cancer-associated fibroblasts (CAF) within TME is associated with aggressive biological behaviour and poor prognosis. The aim of this study was to evaluate stromal CD10 expression in invasive breast cancer and its correlation with tumour stage, grade, Estrogen receptor (ER), Progesterone receptor (PR) and HER2 status.

    MATERIALS AND METHODS: A total of 226 invasive breast carcinoma cases were selected and assembled into tissue microarrays (TMAs). The stromal expression of CD10 was immunohistochemically analysed.

    RESULTS: Stromal CD10 was positive in 67 (29.6%) cases of invasive breast carcinoma. The frequency of positive stromal staining was significantly higher in the cases with ER-negative (P=0.000). CD10 stromal negativity was significantly higher in luminaltype cases (P=0.001). However, there was no correlation between stromal CD10 expression with tumour grade, stage, PR and HER2 status.

    CONCLUSION: Positive CD10 stromal expression correlates with ER-negative invasive breast carcinomas, while negative CD10 stromal expression correlates with luminal type invasive breast carcinomas. This demonstrates that stromal CD10 expression within the TME constitutes a potential prognostic marker and therapeutic target. Future studies are necessary to evaluate other stromal markers within the TME immunohistochemically as well as its molecular basis in order to confirm the definite role of stromal CD10.

  20. Mohammed F, Al-Kumaim NH, Alzahrani AI, Fazea Y
    PMID: 36767142 DOI: 10.3390/ijerph20031775
    The use of social media has increased during the COVID-19 pandemic because people are isolated and working from home. The use of social media enhances information exchange in society and may influence public protective behavior against the COVID-19 pandemic. The purpose of this study is to identify the factors affecting public protective behavior when relying on COVID-19 pandemic-related content shared on social media. A model based on Protection Motivation Theory (PMT) was proposed and validated using a quantitative survey approach. A questionnaire was distributed to random respondents, and 488 responses were received and analyzed using Smart-PLS software. The findings showed that perceived risk, e-health literacy, public awareness, and health experts' participation influence public protective behavior when using social media to share COVID-19-relevant content. The outcomes of this study can enhance government agencies' and public health care authorities' understanding of how to use social media to raise awareness and reduce panic among the public.
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