1.Determination of serum IL-4 and IFN-γ levels in allergic model-induced C57BL/6 mice using in-house ELISA
Dulguunuu M ; Nyam-Ochir G ; Oyun-Erdene Ch ; Ariunzaya B ; Tsogtsaikhan S ; Enkhtushig G ; Khuselt-Od T ; Enkhtuya S ; Sarantuya L ; Suvd O ; Nyamdorj D ; Batbaatar G ; Gansukh Ch ; Enkhsaikhan L ; Enkh-Amar B
Mongolian Journal of Health Sciences 2026;92(2):134-138
Background:
Type I hypersensitivity, commonly known as an allergic reaction, is characterised by an IgE-mediated immune response triggered when foreign proteins enter the body. During allergic reactions, cytokines such as IL-4, IL-5, IL-9, and IL-13, secreted by T-helper 2 (Th2) cells, play a crucial role in activating immune effector cells like eosinophils and mast cells, which contribute significantly to airway inflammation and obstruction. Conversely, interferon-gamma (IFN-γ), produced by Th1 cells, suppresses Th2-mediated responses and plays an essential role in regulating allergic inflammation. Therefore, determining the balance of cytokines produced by Th1 and Th2 cells is crucial for understanding the mechanisms underlying allergic responses.
Aim:
We aimed to induce an allergic response in experimental animals using ovalbumin and to determine the levels of IL-4 and IFN-γ cytokines using an in-house enzyme-linked immunosorbent assay (ELISA).
Materials and Methods:
A total of 20 female C57BL/6 mice aged 6–8 weeks were selected for the experiment and randomly divided into two groups: control and experimental groups. The concentrations of IL-4 and IFN-γ cytokines in mouse serum were determined using an in-house enzyme-linked immunosorbent assay (ELISA).
Result:
Compared to the control group, the levels of IL-4 and IFN-γ cytokines in the serum of allergic model-induced C57BL/6 mice were determined to be 513.7 pg/mL and 193.2 pg/mL, respectively. A statistically significant difference was observed in IL-4 cytokine levels between the two groups (p < 0.001).
Conclusion
In the allergic model group, serum levels of IL-4 cytokine were elevated, while IFN-γ cytokine levels were decreased, suggesting a predominant Th2-type immune response.
2.Maternity care services of midwives in Mongolia
Tsetsegsuren Kh ; Megumi Ikemoto ; ; Munkhtsetseg D ; Enkhtuya D ; Nyamdavaa N ; Burmaa Ch ; Ulambayar D ; Narantsetseg U ; Dondogmaa D ; Kazuki Miyazaki ; Oyungoo B
Mongolian Journal of Health Sciences 2026;96(6):66-71
Background:
Midwives provide essential maternal, neonatal, reproductive and sexual health care and save lives. In our country, in 2017, the job description of midwives was revised and approved by the Minister of Health in accordance with the core competencies established by the International Federation of Midwives by Order A/216. Therefore, it is necessary to study the extent to which midwives are performing the duties included in the revised job description.
Aim:
To assess of the professional role and performance of midwives in Mongolia five years after the updated midwifery job description was declared.
Materials and Methods:
There were 1119 midwives working at all levels of the facilities national wide, and 589 respondents were analyzed. Data were collected using a questionnaire, which was developed with input from an obstetrics and midwifery care advisory group, and was distributed online through Google Forms. We developed a questionnaire on the daily professional roles and performances of midwifery services and skills that were part of the job description of midwives in Mongolia. The questionnaire consisted of three parts and were scored based on a Likert scale. This study was approved by the research ethics committee of the School of Nursing (protocol №22/07-b), Mongolian National University of Medical Sciences (MNUMS), and Ministry of Health.
Result:
62.3% of the participants had a bachelor’s degree, 34.3% had a professional degree, 93.5% worked as midwives at all levels of health care, 73.4% worked according to their job description, but 21.9% were unable to work according to their main duties; 56% considered that they faced some difficulties in performing their duties at work. Within the scope of maternity care services mentioned in the job description, 71.4% of them often provide monitoring and counseling to normal, low-risk pregnant women according to guidelines (mean 3.07± 0.96); childbirth and postpartum care are occasionally (mean 2.70±1.10) or not regularly provided; and the average ratings of reproductive health, family planning services, and emergency obstetric care interventions are 2.32±1.120 and 2.40±0.040, respectively. According to self-assessment of professional skills, the average score for the ability to provide care during pregnancy was 3.10±0.038, which is sufficient; the ability to provide care during childbirth and postpartum was 2.83±0.037, which is above average; and the ability to provide emergency obstetric care and reproductive health and family planning care was 2.77±0.84 and 2.57±0.890, which is moderate, respectively.
Conclusion
The education and professional level of midwives working at all levels of the health sector has improved. While midwives frequently provide the pregnancy care outlined in their job descriptions, they only occasionally perform duties related to childbirth, postpartum and reproductive health, family planning, and obstetric emergency care. According to their self-assessments, midwives demonstrate sufficient competence in teamwork and pregnancy care; above-average competence in childbirth and postpartum care; and moderate competence in obstetric emergency care, reproductive health, and family planning services.There is a need to improve the involvement of midwives in certain professional activities.
3.Quantitative assessments of brain in multiple sclerosis patients
Khaliun B ; ; Enkhtuya M ; Janar M ; Urantugs G ; Lkhamtsoo N ; Tuvshinjargal D ;
Mongolian Journal of Health Sciences 2026;96(6):133-138
Background:
Multiple sclerosis (MS) is an autoimmune inflammatory neurodegenerative disease of the central nervous system and a major cause of disability in young adults. MRI is essential for diagnosis and monitoring, while early evaluation of structural brain changes is important.
Aim:
To evaluate brain volumetric changes using automated MRI analysis in patients with MS.
Materials and Methods:
This case–control study included 50 MS case patients and 50 controls patients examined between 2020–2023 at the Third State Hospital. T1-MPRAGE images were analyzed using volBrain automated segmentation software.
Result:
The mean age of MS patients was 45.5±11.8 years. Compared with healthy controls, the MS group showed significantly lower total grey matter volume (p=0.002), cortical grey matter volume (p<0.001), subcortical grey matter volume (p=0.006), and cerebral volume (p=0.02). Significant volume reductions were also observed in the temporal (p=0.006) and occipital (p<0.001) lobes. Deep grey matter structures, including the thalamus (p=0.001), caudate nucleus (p=0.009), putamen (p=0.008), and nucleus accumbens (p<0.001), also showed significantly reduced volumes. Disease duration was negatively correlated with total grey matter volume (r=−0.30, p=0.02), thalamic volume (r=−0.28, p=0.04), and occipital lobe volume (r=−0.43, p=0.002). Disease duration was also significantly associated with spinal cord involvement (p=0.01) and grey matter volume (p=0.04). The number of relapses was negatively correlated with total brain volume (r=−0.28, p=0.046).
Conclusion
Patients with MS demonstrated decreased grey matter volume, particularly within deep grey matter structures, along with increased abnormal white matter volume, suggesting the coexistence of neurodegeneration and demyelination in MS. Brain volume loss in MS appeared to occur independently of aging. Automated quantitative MRI analysis may provide important diagnostic value in detecting structural brain changes associated with MS.
4.Effect of Traditional Medicine and Acupuncture Therapy on Postoperative Ileus Following Adhesive Small Bowel Obstruction
Undarmaa B ; Nasanhishig D ; Oyun-Erdene U ; Tserendulam G ; Anudari M ; Alzakhgui M ; Oyunbileg Yu ; Batchimeg N ; Enkhtuya V
Mongolian Journal of Health Sciences 2026;93(3):221-226
Background:
Adhesion small bowel obstruction (ASBO) is a common complication following abdominal surgery and can significantly impair postoperative recovery. This condition necessitates the exploration of more effective therapeutic approaches.
Aim:
The aim of this study was to evaluate the clinical efficacy of Traditional Mongolian Medicine (TMM) combined with acupuncture in the management of postoperative ileus secondary to adhesion-related small bowel obstruction.
Case Presentation:
We report the case of a 47-year-old female patient who developed postoperative ileus. The therapeutic intervention consisted of a combined regimen of traditional herbal pharmacotherapy and electroacupuncture. The clinical outcomes were assessed based on the resolution of symptoms and the restoration of gastrointestinal function.
Result:
Following the administration of the integrated treatment, the patient exhibited a marked reduction in abdominal pain. Objective clinical improvement was noted through the successful restoration of intestinal peristalsis and the normalization of flatus and defecation.
Conclusion
The findings of this case study suggest that Traditional Mongolian Medicine, particularly when integrated with electroacupuncture, may be an effective and viable modality for promoting the recovery of gastrointestinal motility in patients with adhesion-related small bowel obstruction.
5.Results of NGS analysis of multiple genetic variants in colorectal cancer tissues
Tsend-Ayush E ; Amarsanaa J ; Bat-Orgil Ch ; Ganbayar B ; Urangoo B ; Enkhtuya D ; Shiirevnyamba A
Mongolian Journal of Health Sciences 2026;97(7):30-35
Background:
Colorectal cancer (CRC) is one of the leading causes of cancer-related morbidity and mortality worldwide and develops through the accumulation of genetic alterations involving multiple genes. In Mongolia, the substantial burden of CRC, limited treatment options, and scarcity of studies investigating its molecular genetic characteristics highlight the need to improve molecular diagnostics and expand personalized treatment options.
Aim:
To identify genetic variants in tumor tissues from patients with CRC and compare them with variants detected in matched adjacent normal tissues.
Materials and Methods:
This cross-sectional study was conducted between August 2023 and May 2024 in collaboration with the National Cancer Center of Mongolia, the Mongolian Institute of Human Genetics, and Happy Veritas Hospital. Eleven patients who underwent surgical treatment for CRC at the Department of General Surgery were enrolled. Paired tumor and adjacent normal tissue samples were collected from each patient and analyzed. Targeted next-generation sequencing (NGS) was performed using the MGISEQ-200 platform, covering 2,881 targeted positions across 53 cancer-associated genes. Sequencing data were processed through a bioinformatics pipeline involving quality control, alignment to the reference genome, variant calling, and filtering. BWA-MEM, GATK Mutect2, and Variant Effect Predictor (VEP) were used to identify and annotate genetic variants. Variants were comparatively evaluated according to their occurrence in tumor and adjacent normal tissues, potential functional consequences, and clinical significance.
Results:
A total of 60 genetic variant observations were identified across 11 paired CRC and adjacent normal tissue samples, including 56 single-nucleotide variants (SNVs; 93.3%) and four insertions or deletions (INDELs; 6.7%). Of these, 36 observations (60.0%) were recorded in tumor tissues and 24 (40.0%) in adjacent normal tissues. Eleven amino acid-altering variants were identified in tumor tissues. Variants in PDGFRA (90.9%), TP53 (54.5%), APC (36.4%), PTEN (27.3%), KIT (18.2%), and KRAS (9.1%) were detected in tumor tissues. The frequencies of variants in PDGFRA, TP53, and PTEN were higher in tumor tissues than in adjacent normal tissues, although the differences were not statistically significant (p > 0.05; FDR ≥ 0.75). Variants detected in APC, KRAS, TP53, PTEN, and MLH1 were associated with molecular pathways involved in colorectal carcinogenesis, including Wnt/β-catenin, MAPK, p53, PI3K–AKT–mTOR, and DNA mismatch repair pathways. The KRAS p.Gly13Asp (G13D) variant was identified as a clinically relevant alteration for evaluating response to anti-EGFR targeted therapy.
Conclusion
Variants in PDGFRA, TP53, and PTEN were more frequently observed in CRC tissues than in adjacent normal tissues; however, the differences were not statistically significant. Variants in KRAS, KIT, and CDKN2A were detected exclusively in tumor tissues. The KRAS p.Gly13Asp variant may have clinical relevance in evaluating the selection of anti-EGFR targeted therapy.
6.The Effect of Fire Acupuncture Treatment in Varicose Veins Lower Extremities
Khongorbold A ; Gendensuren B ; Nyamsaikhan N ; Undrakh-Yeruul G ; Bayartsengel D ; Batnairamdal Ch ; Enkhtuya V
Mongolian Journal of Health Sciences 2025;87(3):69-71
Background
Varicose veins, or chronic venous insufficiency, become visibly
noticeable from the second stage when veins start appearing on the surface
of the skin. Symptoms include severe itching, pain, swelling, and inflammation.
Chronic venous insufficiency is a common condition in countries such as
China, South Korea, Japan, Mongolia, and Kazakhstan. Diagnosis of varicose
veins relies on blood flow studies, coagulation tests, contrast-enhanced magnetic
resonance imaging (MRI), and Doppler ultrasound of the venous system.
Patient B, a 43-year-old male, has experienced pain and swelling in the right
lower limb vein for the past two years, especially when exposed to heat. Coagulation
tests show PT and PT INR within normal range. Doppler ultrasound
of the venous system revealed that the perforating vein is dilated to 0.45 cm
and has valve insufficiency. In the deep veins, a width of 0.68 cm was measured,
while superficial veins ranged between 0.46–0.59 cm. After receiving
appropriate treatment from the Department of Fire Acupuncture, the patient’s
symptoms have improved.
7.Treatment of miniere’s disease (icd-10 h.81) using traditional medicine and therapeutic interventions: Case report
Undarmaa B ; Tserendulam G ; Oyun-Erdene U ; Oyunnyam Ch ; Nasankhishig D ; Khaliun E ; Tsegmed G ; Oyunbileg Yu ; Enkhtuya V
Mongolian Journal of Health Sciences 2025;87(3):72-74
Background:
Meniere's disease is a condition caused by disturbances in the
auditory and vestibular systems. It is characterized by symptoms such as dizziness,
nausea, vomiting, and tinnitus. In the United States, the prevalence of
Meniere's disease has been found to be 84 cases per 100,000 women and
56 cases per 100,000 men. Regionally, it is more common in less populated
areas, and research has confirmed that the prevalence increases with higher
household income.
Aim:
To evaluate the effectiveness of traditional medicine treatments and therapies
for Meniere's disease.
Results:
The patient is a 43-year-old male, with symptoms of dizziness, vomiting,
and tinnitus. Since 2023, he has sought care at the Central Hospital of
Mongolian Medicine, where he received traditional medicine treatments including
herbal therapy and other traditional therapies on three occasions. As a
result, the frequency of dizziness has decreased and other clinical symptoms
have improved.
Conclusion
Traditional medicine treatments have been shown to be effective
in managing Meniere's disease by extending the interval between relapses,
improving quality of life, and significantly reducing clinical symptoms.
8.Serum levels of Aquaporin-4, IL-6, and TNF-α in Patients with Primary Brain Tumors
Baigalmaa D ; Orkhontuul Sh ; Enkhtuya S ; Tsogtsaikhan S ; Gansukh Ch ; Enkhsaikhan L ; ; Ariunzaya B ;
Mongolian Journal of Health Sciences 2025;89(5):79-84
Background:
Gliomas are common primary brain tumors of glial origin in adults with a poor prognosis. Tumor-related
inflammatory cytokines such as interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α), and aquaporin-4 (AQP-4)
water channel protein have been reported to be expressed in gliomas
Aim:
This study aimed to determine their serum levels in patients with primary brain tumors compared to healthy controls
and to evaluate their potential diagnostic value.
Materials and Methods:
Serum AQP-4 levels were measured by ELISA in 28 patients with primary brain tumors (PBT)
and 26 healthy controls. IL-6 and TNF-α were assessed by flow cytometry in 59 PBT patients and 52 controls.
Results:
Among the primary brain tumor cases, 45.61% were meningiomas, 26.32% anaplastic astrocytomas, 8.77%
glioblastomas, and 12.28% other tumors (including chondroma, ependymoma, schwannoma, craniopharyngioma). Serum
IL-6, TNF-α, and AQP-4 levels were significantly higher in the PBT group compared with healthy controls.
Conclusion
Elevated serum levels of AQP-4, IL-6, and TNF-α in patients with primary brain tumors suggest that these
biomarkers molecules could represent valuable non-invasive biomarkers for the early detection of PBT.
9.Study results of the prevalence for thyroid disorders
Tsegmed S ; Norolkhoosuren B ; Otgonbayar S ; Tsientcogzol D ; Lkhagvajav B ; Buanzaya B ; Enkhtuya N ; Anand U ; Bolormaa N ; Narantuya D ; Unursaikhan S
Mongolian Medical Sciences 2022;199(1):15-23
Introduction:
Among the endocrine, nutritional, and metabolic disease and thyroid disorders occupy a significant place. According to the World Health Organization, 8-18% of the world’s population suffer from thyroid disorders. In our country, no research on the prevalence of the disorders has been conducted before, and this research methodology was discussed by the Scientific committee of the National Center for Public Health and was approved by resolution No.156 of the Ethics Committee of the Ministry of Health on 2020.
Materials and Methods:
In order to determine the prevalence
of thyroid disease in the country, we collected the actual number of thyroid disorders registered in 9 districts of the capital city and 330 soums of 21 aimags for a total of 10 years from 2011 to 2020. The prevalence of thyroid disorders was mapped using Arc view and GIS software.
Results
Endocrine, nutritional and metabolic disease account for 2.3% of all outpatient cases. Endocrine, nutritional, and metabolic disease accounted for an average of 168.3 per 10000 population over the past 10 years, and thyroid disorders accounted for 45 or 26.7% of endocrine, nutritional, and metabolic diseases. Thyroid disorders are highest in people aged 40-49 years.
Thyroid toxicity is the most common type of thyroid disease in Mongolia, accounting for 56.2%, with an average of 17.2 per 10000 population in 2011-2020. However, iodine deficiency-related thyroid disease accounts for 5.5% of all thyroid disorders, with an average of 2.5 per 10000 population in 2011-2020. In 2011, it decreased by 2.2 per 10000 population, and by 2020, it decreased by 0.2 per thousand to 2.0, but in the last 5 years, it has increased by an average of 2.4 per 10,000 population, and in the last 5 years it has increased by 0.2 per thousand, or 2.6 per 10,000 population. Morbidity is high in the Khangai and Central regions.
10.Evaluation of air pollution prevention consultation, Ulaanbaatar
Zolzaya D ; Bolor B ; Oyunchimeg D ; Enkhtuya P ; Tsegmed S ; Bolormaa I ; Chinzorig B ; Amartuvshin T ; Suvd B
Mongolian Medical Sciences 2022;199(1):74-82
Introduction:
Mongolia’s capital hosts about half the country’s total population, and its air pollution ranks among the highest in the world during winter. Air pollution is linked to reduced fetal growth, preterm birth, low birth weight, impaired cognitive intra-uterine development, impaired cognitive development, and even spontaneous abortion. Antenatal care includes fetal development monitoring, prevention of anemia, immunization against infectious diseases, prevention of sexually transmitted diseases, and any health risk factors such as environmental pollution.
Health care measures for pregnant women and children under one year of age have the potential to be highly effective because they are directly aimed at reducing pneumonia in children. As such, we need to conduct this survey to determine whether pregnant women were satisfied with the information and advice on air pollution prevention provided by health facilities and to take evidence-based measures.
Materials and Methods :
The survey data were collected using quantitative and qualitative research methods. In this study, a total of 958 pregnant women participated from Songinokhairkhan district, Bayanzurkh district, and Bayankhongor province center. The overall satisfaction of health services is calculated using the three dimensions namely: satisfaction with health service, operation, and environment of the Health Organization. Satisfaction scores were assessed using an even-point scale. These are “Very Dissatisfied-1 point”, “Dissatisfied-2 point”, “Satisfied-3 point”, “Very satisfied-4 point”. The results were calculated after entering the survey data into SPSS-23, creating a database, and performing error control. The research methodology was discussed at the meeting of the Academic Council of the National Center for Public Health on December 25, 2019, and the methodology was approved by the Medical Ethics Committee of the MOH (Stagnant №2).
Results :
The survey covered 958 pregnant women aged 16-45 in Bayanzurkh district Songinokhairkhan district, and Bayankhongor province. During antenatal care visits, the majority of pregnant women (BZD- 56.9%, SKHD- 68.3%, BKH province - 86.7%) were advised by their health specialists to go outside for fresh air, while women in Ulaanbaatar (BZD- 18.9%, SKHD- 24.7%) received the information and advice at the lowest percentage. Pregnant women in Ulaanbaatar were less involved in air pollution training than in Bayankhongor. Participants in the air pollution prevention training rated it as “satisfied” regardless of location. 37.2% of pregnant women obtained information on protecting their health from air pollution from the board of Family Health Center and 34% from their district health centers. 86.1% of the participants were able to obtain information on air pollution on their own, while 86% of them got information from their family and friends.
Conclusion
The percentage of pregnant women getting medical advice, training, and information on air pollution prevention from hospitals during their antenatal care visits was the highest in rural areas. Moreover, their level of satisfaction with counseling had been rated as “satisfied”. Pregnant women often seek information on air pollution prevention from non-professional sources, such as their family and friends.
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