1.Obesity-cancer axis crosstalk: Molecular insights and therapeutic approaches.
Ahmed RAKIB ; Md Abdullah Al MAMUN ; Mousumi MANDAL ; Priti SINHA ; Udai P SINGH
Acta Pharmaceutica Sinica B 2025;15(6):2930-2944
Now recognized as a global health crisis, obesity has been linked to an increased risk of many types of cancer, including those of the breast, colon, rectum, uterus, gallbladder, and ovary. Obesity and cancer share several characteristics at the cellular, molecular, and epigenetic levels. Obesity is characterized by chronic inflammation of the adipose tissue (AT), resulting in genotoxic stress that further induces metabolic complications and contributes to the initiation and progression of cancer. The excessive accumulation of AT provides adipokines and lipids to engage tumor cells with stromal and immune cells to infiltrate carcinomas and secrete a plethora of cytokines, chemokines, and growth factors within the tumor microenvironment (TME) that contribute to carcinogenesis. Obesity also alters the metabolic reprogramming of immune cells, including macrophages, neutrophils, and T cells, thereby providing a suitable environment for the growth and progression of cancer. Obesity-associated metabolic dysregulation also perturbs the gut microbiome, which produces metabolites that can further increase the risk of cancer progression. This review will discuss links between obesity and cancer progression, including several crucial pathways that bridge the crosstalk between obesity-associated changes in AT inflammation, immune cells, adipokines, chemokines, and tumor cells to support cancer progression. We will also discuss our insights into the mechanisms by which obesity-driven factors influence metabolic reprogramming and touch base on how obesity mediates microbiome dysbiosis to alter metabolite and affect cancer progression. Altogether, this review highlights the crossroads of the obesity-cancer axis, describes its salient features, and presents possible therapeutic approaches for obesity-related cancers.
2.Phaehyphomycosis or Eumycetoma: A Case Report of a Diagnostic Dilemma
Md Salim Siti Norfairuz ; Wan Ismail Wan Faisham ; Amiruddin Fatihatul Munirah ; Hussain Faezahtul Arbaeyah ; Abdullah Rosmaniza ; Abdul Rahman Zaidah
Malaysian Journal of Medicine and Health Sciences 2024;20(No.1):392-394
We reported a case of recurrent subcutaneous swelling on the left foot of a diabetic patient. Two different organisms,
Cladosporium spp. and Phaeoacremonium krajdenii were isolated, both of which are associated with phaeohyphomycosis and eumycetoma. The cure was achieved through surgical excision of the lesion and a course of antifungal
therapy. The diagnosis was uncertain since clinical manifestations and laboratory results were insufficient to distinguish the two diseases.
3.A Rare Presentation of a Common Disorder : Severe Hyponatremia Presenting as Reversible Unstable Bradyarrythmias
Ahmad Luqman Md Pauzi ; Norhayati Mohamad Amin ; Adi Putera Sazali ; Juliana Hashim ; Muhammad Afif Abdullah ; Iskasymar Ismail ; Wan Zulhaikal Wan Zukiman
Malaysian Journal of Medicine and Health Sciences 2024;20(No.1):395-397
Severe hyponatraemia is defined as a sodium level of less than 120 mEq/L, and it is frequently accompanied by
neurological symptoms like coma, convulsions, respiratory arrest, and death. Clinical cardiac toxicity from hyponatremia, such as bradyarrhythmia, is extremely rare. In this article, we present a case of acute severe hyponatraemia
that induced unstable bradyarrhythmia and led to refractory bradycardia, which did not improve despite receiving
treatment in accordance with the standard Advanced Cardiovascular Life Support protocol. The patient’s bradyarrhythmia has completely resolved with the administration of 3% hypertonic saline, which restored her sodium
levels. Due to the possibility that severe hyponatremia may contribute to the aetiology of cardiac malfunction, this
case raises awareness about the significance of closely monitoring electrocardiograms and telemetry in patients with
severe hyponatremia.
4.Scaling up the production of myco-coagulant using solid-state fermentation for water treatment
Abdullah Al Mamun ; Radhia Nedjai ; Md. Zahangir Alam
Malaysian Journal of Microbiology 2023;19(no.6):777-785
Aims:
Providing safe drinking water is an ongoing global concern. Coagulation is an essential process in water
treatment. However, most of the coagulants are chemical in nature and have negative impacts on human health and the environment. This study investigated the production of myco-coagulant in solid-state fermentation using a fungal strain.
Methodology and results:
A scale-up was performed using the tray method to investigate the influence of substrate thickness (from 2-30 mm) on myco-coagulant production. The results revealed that the turbidity removal efficiency of myco-coagulant in kaolin suspension was found to be increasing with the increase in thickness of the coco peat substrate. However, the myco-coagulant extracted from the media with a thickness of 30 mm was able to remove the highest turbidity by 96%. Three different subculturing methods for mycelium inoculation were evaluated. The surface inoculation approach produced better results than other inoculation processes. The effect of initial turbidity values (50-300 NTU) on turbidity removal was studied too. The myco-coagulant was found to be the most suitable for high-turbidity
water (300 NTU) with turbidity removal of 52%. Subculturing of fungus from solid-state to solid-state was also studied, which showed that the strategy was just as effective as an inoculum-based subculture.
Conclusion, significance and impact of study
Excellent bio-coagulation activity has been shown for the myco-coagulant that was isolated from the fungus strain. Subculturing using existing substrates will be more economical than subculturing using fresh inoculum. This strategy saves time, labour and cost of the coagulant production.
5.Lime juice as a dietary alternative to mist potassium citrate for urine alkalinisation: A prospective, cross-over clinical trial
Kinagabran Sivananthan ; Poongkodi Nagappan ; Munirah Md Mansor ; Usamah Abdullah ; Azlanudin Azman
Malaysian Family Physician 2023;18(All Issues):1-7
Introduction:
Urinary citrate is a potent inhibitor of urinary crystallization that is freely filtered in the proximal tubule of the kidney. We aimed to investigate the effect of citrate supplementation with fresh lime juice on the urinary pH and calcium excretion level among healthy individuals compared with that of mist potassium citrate.
Methods:
In this prospective, cross-over single-centre study, 50 healthy medical student volunteers were randomly allocated to two treatment arms. One arm was prescribed with potassium citrate, while the other arm received citrate supplementation with a home preparation of fresh lime juice. The urinary pH and calcium-to-creatinine ratio (uCa/uCr) were measured at baseline and after 7 days of treatment. This was followed by a washout period of 2 weeks, after which each participant crossed over to the other treatment arm, and the urinary measurements were repeated.
Results:
Potassium citrate significantly increased the urinary pH among all participants, while fresh lime juice did not. Both fresh lime juice and potassium citrate reduced the uCa/uCr, although this effect was not significant.
Conclusion
Fresh lime juice is not as effective as potassium citrate in improving the urinary pH and calcium excretion level of healthy individuals. Therefore, it should be used as an adjunct rather than an alternative to potassium citrate.
Potassium Citrate
;
Urolithiasis
6.Willingness to receive a COVID-19 booster vaccine and its associated factors among adults with chronic disease: A cross-sectional study in Putrajaya, Malaysia
Noor Shahira Abdullah ; Siew Mooi Ching ; Hanifatiyah Ali
Malaysian Family Physician 2023;18(All Issues):1-11
Introduction:
Booster vaccination has been shown to reduce transmission and serious infection with COVID-19. This study examined the willingness to receive a COVID-19 booster vaccine and its associated factors among high-risk patients at Klinik Kesihatan Putrajaya Presint 9.
Methods:
A cross-sectional study was conducted among patients aged ≥18 years attending Klinik Kesihatan Putrajaya Presint 9 with a high risk of contracting COVID-19 recruited via systematic random sampling. Data were collected using a self-administered questionnaire. A multiple logistic regression analysis was performed to identify the associated factors.
Results:
The response rate for this study was 97.4% (N=489). The median patient age was 55 years. Approximately 51.7% were men, and 90.4% were Malays. Approximately 81.2% were willing to receive a COVID-19 booster vaccine. The patients who perceived COVID-19 as a serious illness (Adjusted Odd Ratio, AOR=2.414), those who perceived COVID-19 booster vaccines as beneficial (AOR=7.796), those who disagreed that COVID-19 booster vaccines have many side effects (AOR=3.266), those who had no doubt about the content of COVID-19 vaccines (AOR=2.649) and those who were employed (AOR=2.559) and retired (AOR=2.937) were more likely to be willing to receive a booster vaccine than those who were unemployed and those who did not have close friends or family members who contracted severe COVID-19 (AOR=2.006).
Conclusion
The majority of the participants were willing to receive a COVID-19 booster vaccine. Healthcare authorities should take initiatives to design targeted public intervention programmes to increase the willingness for COVID-19 booster vaccination.
COVID-19
;
Immunization, Secondary
;
Vaccines
;
Malaysia
7.Development and implementation of a community-based COVID-19 assessment centre in Selangor: A descriptive study
Anusha Manoharan ; Nik Mazlina Mohammad ; Azah Abdul Samad ; Dalyana Hamid ; Zil Azwan Abdullah
Malaysian Family Physician 2023;18(All Issues):1-17
Introduction:
With the rising number of COVID-19 cases in Malaysia and the overwhelming strain on the tertiary healthcare system, home isolation has been introduced by the Ministry of Health Malaysia to reduce the admission of patients with mild COVID-19 to tertiary and low-risk quarantine centres. COVID-19 assessment centres (CACs) have been set up to provide initial assessment, triaging and monitoring of patients with COVID-19 prior to and during their home isolation. In this study, we aimed to share our experience in setting up CACs in Selangor, Malaysia.
Methods:
We described the steps taken in developing assessment tools and guidelines for assisting healthcare providers in safely monitoring patients with COVID-19 undergoing home isolation.
Results:
A total of 26,826 patients were clinically assessed from 1 to 28 February 2021 in various CACs in the state. The majority of the cases seen in the CACs were under category (CAT) 1 and 2.Only 0.2% (n=53) of the cases were categorised as severe COVID-19 (CAT 3 and above).
Conclusion
CACs coordinated by primary care providers play an important role in triaging,assessing and monitoring patients with COVID-19 undergoing home isolation in the community.There needs to be a better partnership between various stakeholders and the private healthcare sector to improve the services. The usage of a pulse oximeter in home monitoring of all patients withCOVID-19 in Selangor needs to be seriously considered.
COVID-19
;
Primary Health Care
8.The Emergency Medical Team Initiative in the Western Pacific Region
Natasha Mamea ; Atoa Glenn Fatupaito ; Md Anuar bin Abd Samad @ Mahmood ; Ridzuan Bin Dato' ; Mohd Isa ; Gaafar Uherbelau ; Esther Muñ ; a ; Shalimar Abdullah ; Masniza Mustaffa
Western Pacific Surveillance and Response 2023;14(6):01-04
This editorial, co-authored by the Western Pacific Regional Emergency Medical Team (EMT) Chair Group, provides an introduction to the WPSAR EMT Special Edition. It highlights the work done to develop national and international EMTs in the Region and the contribution of these teams to health emergency response.
9.Abuse of Xylazine by Human and its Emerging Problems: A Review from Forensic Perspective
Way Koon Teoh ; Noor Zuhartini Md Muslim ; Kah Haw Chang ; Ahmad Fahmi Lim Abdullah
Malaysian Journal of Medicine and Health Sciences 2022;18(No.4):190-201
Xylazine is a sedative, analgesic and muscle relaxant widely applied in the veterinary field. However, owing to its
depressant effect, xylazine has become a substance of abuse by humans. Misuse of xylazine not only triggers unwanted consequences (death), but also linked with various crimes. Google Scholar, PubMed and SciFinder were
used to retrieve articles and case reports in relation to the misuses of xylazine and established analytical methods for
forensic investigation until November 2021. Literatures reported the accidental and intended poisoning of xylazine,
recreational use of xylazine and as an adulterant in recreational drugs. In addition to being a facilitator of crime and
sexual assault, it is administered illegally to food producing animals as a sedative and to sports animals as a doping
agent. Problems associated with the abuse of xylazine were highlighted in this review, covering the unknown prevalence of xylazine abuse and the need to revise the regulatory status of xylazine. In addition, limited screening and
confirmatory methods that can be readily utilised to detect xylazine either alone or simultaneously with other substances of abuse, particularly useful for forensic toxicology and narcotic section were available in the literature. As a
conventionally used veterinary drug, xylazine is undoubtedly a potentially hazardous drug, and the investigations on
its potential abuse would enhance routine forensic examination to keep pace with the status of illicit drugs.
10.Evaluation of Anti-Hyperlipidaemic Activity of a Mixture of Zinger officinale, Allium sativum, Citrus Lemon, Honey, and Malus domestica Vinegar (ZACAH) Extracts in Rats Fed with High Cholesterol Diet
Kokila Vani Perumal ; Hasnah Bahari ; NorShafarina Shari ; Kasturi Kanniappan ; Khairul Kamilah Abdul Kadir ; Zunoliza Abdullah ; Mohd Radzi Ahmad ; Ibrahim Kalle Kwaifa ; Siti Hadizah Jumidil ; Azrina Zainal Abidin ; Sabariah Md Noor ; Yong Yoke Keong ; Santhra Segaran Balan
Malaysian Journal of Medicine and Health Sciences 2022;18(No.5):55-63
Introduction: The incidence and complications of hyperlipidemia associated co-morbidities and mortalities are
grossly increasing globally. Intervention with natural products preparation has been identified as an alternative for
the management of hyperlipidaemia and its related cardiovascular complications. This study investigated the anti-hyperlipidaemic activities of a mixture of Zinger officinale, Allium sativum, Citrus lemon, honey, and Malus domestica
vinegar (ZACAH) extracts in in Sprague Dawley (SD) rats fed with high cholesterol diet. Methods: Thirty-six male
SD rats were randomly distributed into 6 groups, including normal chow diet-fed (NC), high cholesterol diet (HCD),
HCD+ Simvastatin (standard drug) while the remaining three groups were fed with HCD + ZACAH extracts at different doses (1, 3 and 5mg/kg body weight) for 18 weeks. Simvastatin at 10 mg/kg of bodyweight was used as control.
High-performance liquid chromatography (HPLC) was used to determine phenolic compounds present in ZACAH
extracts, elastase inhibitory assay was determined using spectrometric with a substrate (N-Succ-(Ala)3-pnitroanilide
(SANA) while 2,2-diphenyl-1-picrylhydrazyl (DPPH) was performed based by the method described by Blois, 1958.
Results: In vitro; ZACAH extracts had oxygen radical absorbance capacity (ORAC) value of 2000 µmol TE/100 mL,
total phenolic content (TPC) of 7537 ± 54.5%, DPPH free radical scavenging activity of 27.34 ± 2.71%, elastase
inhibitory assay of 29.29 ± 1.65% and lipoxygenase inhibitory assay of 98.58 ± 1.42%. In vivo, ZACAH extracts
showed decreased bodyweight, adipose tissue, improved lipid profiles and hepatic biochemical enzymes. Conclusion: These results suggested that ZACAH extracts supplementation improved hyperlipidaemia in SD rats and might
be a promising adjuvant for the treatment of hyperlipidaemia.


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