1.The assessment of the current situation of laboratory diagnostic services among family health centers in Ulaanbaatar
Narantsatsral G ; Baljinnyam B ; Myagmartseren D ; Zesemdorj O
Mongolian Journal of Health Sciences 2025;88(4):154-159
		                        		
		                        			Background:
		                        			Mongolia’s long-term development policy, Vision 2050, aims to ensure that every citizen has full access 
to primary health care services and to increase the country’s average life expectancy. According to the “Primary Health 
Care Service Quality and Accessibility Survey,” the diagnostic capacity of family health centers (FHCs) in Mongolia 
was 42.1%. There is a need to further identify issues related to laboratory human resources, equipment supply, quality 
assurance, and monitoring.
		                        		
		                        			Aim:
		                        			To assess the current status of laboratory diagnostic services in family health centers in Ulaanbaatar city.
		                        		
		                        			Materials and Methods:
		                        			The study collected data using a questionnaire developed based on resources such as the 
WHO’s Service Availability and Readiness Assessment (SARA), USAID’s Laboratory Assessment Tools, the Ministry 
of Health’s 2023 Order No. A/283 on updated guidelines for services provided by family, soum, and bagh health centers, 
and the national standard “Structure and Operation of Family Health Centers (MNS 5292:2017).” A total of 46 FHCs in 
Ulaanbaatar were randomly selected for the study.
		                        		
		                        			Results:
		                        			The average population served by the participating FHCs was 10,228±4043, with 73.9% (n=34) serving over 
8,000 people. On average, each center employed 5±2 physicians and nurses. A clinical pathologist was employed at 50.0% 
(n=23) of the centers, of which 26.1% (n=6) were full-time and 73.9% (n=17) were contract-based. Availability of laboratory equipment was as follows: Complete blood count (CBC) analyzers: 60.9% (n=28) Biochemistry analyzers: 50.0% 
(n=23) Urinalysis equipment: 97.8% (n=45) The availability of laboratory equipment was not significantly associated 
with the size of the population served (p=0.54; p=0.63; p=0.74). Among FHCs with laboratory equipment: 82.1% (n=23) 
performed CBC tests 87.0% (n=20) performed biochemistry tests 97.8% (n=44) conducted urinalysis tests. Participation 
in internal and external quality control programs was significantly higher among centers with specialized laboratory staff 
compared to those without (p=0.008; p=0.08). The number of tests and biochemistry parameters performed was also significantly higher in centers with specialized laboratory personnel (p=0.001, p=0.001). However, the availability and use of 
rapid diagnostic tests did not differ based on population size or the presence of specialized laboratory staff (p=0.8; p=0.6).
		                        		
		                        			Conclusion
		                        			1. In Ulaanbaatar, only half of the family health centers have specialized laboratory personnel. 
2. Laboratory equipment availability was between 50.0% and 60.9%. Centers with specialized laboratory staff showed 
significantly better performance in internal and external quality control and broader diagnostic testing services. 
3. Differences in diagnostic services were associated with both the population size served and the availability of specialized laboratory staff, indicating the need to strengthen primary health care accessibility and capacity.
		                        		
		                        		
		                        		
		                        	
2.Correlation between FTO gene rs9939609, rs17817449 polymorphisms and, obesity
Yumchinsuren Ts ; Dolgion D ; Yesukhei E ; Baljinnyam T ; Enkhmend Kh ; Ganchimeg D ; Gantogtokh D ; Otgongerel N ; Batbold B ; Shiirevnyamba A ; Tulgaa L
Mongolian Journal of Health Sciences 2025;85(1):136-141
		                        		
		                        			Background:
		                        			 In 2022, the World Health Organization (WHO) reported that globally, 2.5 billion (43%) of adults aged 
18 and older were overweight, with 890 million (16%) of these individuals classified as living with obesity. Some genes 
such as the FTO gene are strongly associated with obesity and overweigh. The FTO protein is crucial in regulating food 
consumption, appetite, energy equilibrium, and expenditure. 
		                        		
		                        			Aim:
		                        			 The identify single nucleotide polymorphisms rs9939609 and rs17817449 of the FTO gene, which are associated 
with obesity, and to study their correlation with antropometric measurements and some laboratory test parameters.
		                        		
		                        			 Materials and Methods:
		                        			According to the inclusion and exclusion criteria, 50 obese (BMI >30 kg/m²) were included in 
the case group, and 50 relatively healthy and normal weight (BMI 18.5-24.9 kg/m²) were enrolled in the control group, 
for a total of 100 people matched for age and gender (1:1). We took physical measurements and collected peripheral blood 
samples after obtaining informed consent from each participant. Laboratory analyses assessed some parameters of lipid 
and glucose metabolism. We used the PCR-RFLP technique on two genotype SNPs. A p-value below 0.05 was considered 
a statistically significant result.
		                        		
		                        			 Results:
		                        			 In this study, including 100 people aged 23 to 75, the mean age was 46.81±11.54 years, with 60% being female. 
In terms of antropometric measurements, body mass index, waist circumference, and arterial pressure were markedly 
elevated in the case group compared to the control group (p<0.001). In laboratory measures, fasting blood glucose, 
cholesterol, and mean LDL mean levels were statistically significantly higher in the case group compared to the control 
group. On the other hand, HDL cholesterol levels were lower in the case group compared to the control group. The FTO 
gene rs9939609 single nucleotide polymorphism was identified in 62% of the total study individuals as TT, 35% as AT, 
and 3% as AA genotypes. Also, FTO gene rs17817449 single nucleotide polymorphism was identified in 62% of the total 
study individuals as TT, 33% as AT, and 5% as AA genotypes.
		                        		
		                        			Conclusion
		                        			 The rs9939609 AT/AA genotype of the FTO gene elevates the risk of obesity and is associated with increased body weight, waist circumference, and BMI.
		                        		
		                        		
		                        		
		                        	
3.Association between rs738409 and rs2896019 polymorphisms of PNPLA3 and metabolic dysfunction-associated steatotic liver disease
Dolgion D ; Yumchinsuren Ts ; Yesukhei E ; Baljinnyam T ; Enkhmend Kh ; Otgongerel N ; Gantogtokh D ; Ganchimeg D ; Batbold B ; Davaadorj D ; Khurelbaatar N ; Tulgaa L
Mongolian Medical Sciences 2024;209(3):3-11
		                        		
		                        			Introduction:
		                        			The prevalence of metabolic dysfunction-associated steatotic liver disease (MASLD) 
has increased significantly over the last three decades worldwide, from 17.6% in 
1990 to 23.4% in 2019. The development of this disease depends on many risk 
factors, including genetics, lifestyle, and environment. The PNPLA3 (patatin-like 
phospholipase domain-containing protein 3) gene is the most relevant genetic factor 
influencing the risk of metabolic dysfunction-associated steatotic liver disease. 
The PNPLA3 rs738409 GG genotype impairs adiponutrin function, accumulating 
triglyceride in liver cells and forming small fat droplets within the liver.
		                        		
		                        			Aim:
		                        			To determine rs738409 and rs2896019 single nucleotide polymorphisms of the 
PNPLA3 gene in metabolic dysfunction-associated steatotic liver disease and their 
correlation with some parameters of anthropometric and laboratory tests.
		                        		
		                        			Materials and Methods:
		                        			This study was conducted with a case-control design in 2023–2024. There were 150 
participants in the study, 50 in the control group without MASLD, and 100 in the case group with MASLD. The PNPLA3 (rs738409, rs2896019) gene’s single nucleotide 
polymorphism was identified by the RFLP-PCR technique. All statistical analysis 
was performed using SPSS 23 software. Categorical variables were described by 
numbers and percentages, and the numerical variables were characterized by the 
median (min and max) for the normal distribution, and mean± standard deviation for 
the non-normal distribution. The statistical tests utilized were the Chi-square test, 
Fisher’s exact test, student t-test, and Mann–Whitney test. Ethical approval for the 
survey was obtained from the Medical Ethics Committee under the Ministry of Health 
Of Mongolia in January 2023.
		                        		
		                        			Results:
		                        			The participants’ average age was 46.73±11.45, with 60% being women (90) and 
40% being men (60). Among all patients, the PNPLA3 gene’s single nucleotide 
polymorphism rs738409 revealed 44.7% (67) CC, 54.7% (82) GC, and 0.7% (1) GG 
(OR-CG+GG genotype- 2.9, p=0.003). In addition, as a result of determining the 
PNPLA3 gene rs2896019 single nucleotide polymorphism, the frequency of the TT 
genotype was significantly higher in the control group than in the case group (48%, 
31%, p = 0.042).
		                        		
		                        			Conclusion
		                        			The frequency of CG/GG genotypes rs738409, and rs2896019 of the PNPLA3 gene 
is higher in the case group, suggesting that they may be more susceptible to MASLD.
		                        		
		                        		
		                        		
		                        	
4.A new diagnostic biomarker in early detection of Hepatocellular Carcinoma
Batchimeg B ; Baljinnyam T ; Khulan U ; Khaliun M ; Bilguun E ; Munkhtsetseg B ; Terguunbileg B ; Chinzorig M ; Gan-Erdene B ; Bilegtsaikhan Ts ; Erkhembulgan P ; Batbold B ; Munkhbat B ; Munkhtuvshin N ; Munkhbayar S
Mongolian Medical Sciences 2021;197(3):10-16
		                        		
		                        			Background and Aims:
		                        			Hepatocellular carcinoma (HCC) is a common cause of cancer related death 
in Mongolia. Early diagnosis is the very important management to increase successful treatment 
and survival rate. Glypican-3 (GPC3) protein is highly expressed in hepatocellular carcinoma (HCC) 
tissue and in serum of HCC patients. Recent studies have been conducted and suggested as a 
diagnostic biomarker for detecting HCC in the early stage. Therefore, we investigated the diagnostic 
value of the serum GPC3 level and compared it to the alpha-fetoprotein (AFP) level as a diagnostic 
biomarker of HCC.
		                        		
		                        			Methods:
		                        			We enrolled a total of 90 participants and divided into 3 groups with HCC (30), with liver 
cirrhosis (LC/30) and healthy (30) as the control group (30). GPC3 and AFP serum (sGPC-3, sAFP) 
levels were measured using commercially available enzyme-linked immunosorbent assay kits. The 
diagnostic accuracy was analyzed using the receiver operating characteristics (ROC) curve and 
estimated sensitivity and specificity of each biomarker. 
		                        		
		                        			Results:
		                        			sGPC3 was significantly elevated in the HCC group as compared to liver cirrhosis and 
healthy subjects (658±138.2 pg/ml, 378±25.5 pg/ml, 356.3±29 pg/ml) respectively. sGPC-3 sensitivity 
was 96.6% and specificity was 100%. The area under the ROC curve (AUC) for GPC3 was 0.999 
(0.996- 1.0).
In comparison, the mean of AFP was significantly higher in HCC (16.9±11.7 ng/ml) than in LC (6.7±7.6 
ng/ml) and in healthy subject (3.3±2.1 ng/ml) and AFP sensitivity was 43,3 %, specificity was 95 % 
with an AUC of 0.808 (0.696- 0.921). 
The combination of GPC-3 with AFP achieved the highest sensitivity (97.1%) and specificity (97%).
		                        		
		                        			Conclusion
		                        			Serum GPC3 has a higher sensitivity than AFP for the early diagnosis of HCC. 
Combination of two markers showed greatest diagnostic accuracy. 
		                        		
		                        		
		                        		
		                        	
5.The effects of Particulate matter (PМ2.5) pollutants on cancer cells in in vitro model
Baljinnyam T ; Bilguun E ; Batchimeg B ; Zolzaya D ; Lkhaasuren N ; Oyungerel G ; Munkhtsetseg B ; Khaliun M ; Khulan U ; Batkhishig M ; Uranbileg U ; Sonomdagva Ch ; Bilegtsaikhan Ts ; Munkhbayar S ; Munkhtuvshin N ; Erkhembulgan P
Mongolian Medical Sciences 2021;197(3):17-25
		                        		
		                        			Introduction:
		                        			Air pollution has become one of the major problems in socio-economic and health 
issues in Mongolia. Among the various hazards of particulate matter (PM) pollutants, microorganisms 
in PM2.5 and PM10 are thought to be responsible for various allergies and for the spread of respiratory 
diseases. Recent studies have shown that PM2.5 particles can cause chronic heart failure, heart 
arrhythmias, and strokes, as well as lung damage, cirrhosis, inflammation, cancer, cardiovascular 
disease, and metabolic disorders. Furthermore, some studies have concluded that PM2.5 particles 
in the environment are a risk factor for gastrointestinal, liver, colon, and lung cancer as well as it 
affects the growth and metastasis of various cancer cells caused by other factors. In our country, the 
health effects of air pollution and the relationship between the pathogenesis of cancer research are 
scarce. Therefore, the study of the effects of PM2.5 particles on cancer cell proliferation, migration 
(metastasis) can provide a significant role for cancer treatment, diagnosis, and prevention.
		                        		
		                        			Purpose:
		                        			Determining the effects of PM2.5 particles on cancer cell proliferation, migration (metastasis) 
in in-vitro
		                        		
		                        			Material and Methods:
		                        			A human liver cancer cell line (HepG2), human gastric cancer cell line (AGS) 
were obtained from the central scientific research laboratory in the Institute of medical sciences. 
HepG2, AGS cells were seeded at a concentration of 1*105 cells/mL in a culture flask and cultured 
in RPMI-1640 medium supplemented with 10% FBS, 1% antibiotic mix (penicillin, streptomycin) in a 
humidified atmosphere of 5% CO2 at 37 °C. The cytotoxic effect of PM 2.5 in AGS, HepG2 cells were 
evaluated by MTT, CCK8 assays. AGS, HepG2 cells were incubated in 96 well plates for 24h then 
treated with different concentrations (0, 5, 10, 25, 50 and 100 μg ) of Bayankhoshuu, Buhiin urguu, 
and Zaisan samples for 24h, respectively.
		                        		
		                        			Results:
		                        			Concentrations of 10, 25, and 50 μg/ml of samples collected from the Bukhiin urguu and 
Zaisan in March increased HepG2 cell growth, while doses of 25, 50 μg/ml of samples collected from 
Bayankhoshuu in March and December increased HepG2 cell growth. Therefore, concentrations of 
25 and 50 μg/ml of samples collected from Bayankhoshuu in March increased AGS cell growth, while concentrations of 25, 100 and μg/ml of samples collected in December increased AGS cell growth. 
However, no cytotoxic effect was observed in the sample collected from Zaisan in March, whereas 
the PM2.5 sample enhanced AGS cell growth in dose dependent manner in December.(p <0.05) 
		                        		
		                        			Conclusion
		                        			High levels of heavy metals were detected in samples collected in December from 
Bayankhoshuu, Bukhiin urguu and Zaisan of Ulaanbaatar. Concentration of 25 μg/ml of samples 
collected from the Bukhiin urguu and Zaisan in March increased HepG2 cell growth. Concentrations 
of 25 μg/ml of PM2.5 collected from three regions around Ulaanbaatar increased HepG2 and AGS 
cell migration.
		                        		
		                        		
		                        		
		                        	
6.The risk assessment of gastric cancer and precancerous condition using serum pepsinogen and H.pylori antibody test
Ganchimeg D ; Dashmaa A ; Tegshjargal B ; Batchimeg B ; Baljinnyam T ; Nasanjargal T ; Bayar D ; Batbold B ; Tulgaa L
Mongolian Medical Sciences 2021;197(3):33-39
		                        		
		                        			Background:
		                        			The incidence of gastric cancer has been declining worldwide in recent years; on the 
contrary, it has increased in the last decade in Mongolia. In Mongolia, over 80% of gastric cancer cases 
are diagnosed in the late stage. We performed a gastroduodenoscopy for screening and histological 
evaluation to diagnose gastric cancer. These methods are an effective diagnostic modality for gastric 
diseases; however, invasive and cause discomfort, making it an undesirable procedure for patients. 
		                        		
		                        			Aims:
		                        			To determine serum PGs and H.pylori IgG in atrophic gastritis and gastric cancer patients and 
evaluate the risk by ABC(D) classification. 
		                        		
		                        			Materials and Methods:
		                        			We selected 40 atrophic gastritis and 36 newly diagnosed gastric cancer 
patients from National Cancer Center of Mongolia, before surgery and other therapies. Besides, we 
enrolled population-based 38 healthy controls. Subjects of three groups were matched by age (±1) 
and sex. Written informed consents were obtained from all subjects. The fasting blood samples were 
collected and tested PGI, PGII, and H.Pylori IgG levels by enzyme-linked immunosorbent assay. 
Also, PGI to PGII ratio (PGI/II ratio) was calculated. We classified subjects into four groups based on 
ABC(D) classification. All statistical analyses were performed by SPSS (version 26.0, Chicago, IL, 
USA) software. 
		                        		
		                        			Results:
		                        			Median age of the subjects was 62, 52.6% (n=60) were male. Proportions of family history 
of gastric cancer and previous history of gastric disease were significantly higher in the gastric cancer 
group compared with atrophic gastritis and healthy control groups (p<0.05, p<0.05). H.pylori was 
positive in 67 (58.8%) subjects according to H.pylori IgG assay and there was no difference between 
study groups. The serum PGI level and was significantly decreased in gastric cancer and atrophic 
gastritis groups as compared to the healthy control (p<0.05, p<0.05). The PGI/II ratio was significantly 
lower in the gastric cancer group compared with the healthy control (p<0.01). The optimal cut off 
value of PGI was ≤35.25 ng/ml (AUC 64.3, 95% CI 51.3-77.2, p<0.05) for gastric cancer and PGI was 
≤75.07 ng/ml (AUC 65.2, 95% CI 53.0-77.3, p<0.05) for atrophic gastritis. Also, the optimal cut off 
value of PGI/II ratio was ≤5.27 (AUC 71.6, 95% CI 69.6-82.8, p<0.01) for gastric cancer and PGI/II 
ratio was ≤6.25 (AUC 62.7, 95% CI 50.1-75.3, p<0.05) for atrophic gastritis. According to classification 
of atrophic gastritis patients and healthy control, group D had higher proportion of atrophic gastritis 
cases than group A, B and C (OR 5.04, 95% CI 1.13-22.50, p<0.05). According to classification of 
gastric cancer patients and healthy control, groups C had higher proportion of gastric cancer cases 
than group A, B and D (OR 6.19, 95% CI 1.04-36.78, p<0.05).
		                        		
		                        			Conclusion
		                        			Our findings suggest that PGs level and H.pylori IgG may predict development of gastric 
cancer and could identifying individuals at high risk of gastric cancer and precancerous lesions who 
may need endoscopy.
		                        		
		                        		
		                        		
		                        	
7.Method validation of calycosin-7-O-β-D-glucoside in “Astragalus mongholicus” injection by High-performance liquid chromatography
Tsendbadam B ; Battulga B ; Lkhaasuren L ; Baljinnyam I ; Tsetsegmaa S ; Khurelbaatar L ; Munkhtsetseg R
Mongolian Medical Sciences 2021;195(1):43-50
		                        		
		                        			Introduction:
		                        			Calycosin-7-O-β-D-glucoside is a glycosyloxyisoflavone that is calycosin substituted by a beta-D-glucopyranosyl residue at position at 7 via a glycosidic linkage. calycosin-7-O-β-D-glucoside, a 
calycosin derivative compound derived from Astragali Radix, has protective effect against ischemia/
reperfusion injury as well as bacterial endotoxin-induced vascular cell injury. A joint research team of 
the “Tsombo Pharm” Co., LTD and the Drug research Institute is conducting an experiment to produce 
a solution of “Astragalus mongholicus” injection prepared by Astragalus mongholicus bunge.
		                        		
		                        			Goal :
		                        			The aim of this study was to develop the validation method of Calycosin-7-O-β-D-glucoside in 
“Astragalus mongholicus” injection.
		                        		
		                        			Material and Methods:
		                        			As a test sample “Astragalus mongholicus” injection was produced by “Tsombo pharma” Co., LTD. 
The starndard Calycosin-7-O-β-D-glucoside was supplied from Xilong Scientific Co., Ltd. The reagent 
were high-performance liquid chromatography (HPLC) grade acetonitrile, formic acid, methanol and 
purified water. Shimadzu HPLC (CMB-20 A, UV detector Shimadzu SPD-20A was used as the 
analytical instrument and the analysis conditions were as follows Table 1.
		                        		
		                        			Results:
		                        			The calibration curves for Calycosin-7-O-β-D-glucoside were made by plotting the peak area versus 
the concentration for each analyte using regression analysis. Each calibration curve was obtained 
using six levels of concentrations in the range 12.5-100µg/ml. The linear correlation coefficient (R2) 
for all calibration curves was higher than 0.9981 for all analytes. The limit of detection and limit of 
quantitation for Calycosin-7-O-β-D-glucoside were in 10.37 µg/ml and 31.45 µg/ml. Accuracy and 
precision were assessed by analyzing five sets of samples, independently prepared at low (50%) 
middle (100%) and high (150%) concentrations. The RSD values of both repeatability and intermediate precision were below 0.68% and 0.618% the accuracy remaining between 95.55 to 101.71%. The 
resulting accuracy data were satisfactory for the quantitative analysis of Calycosin-7-O-β-D-glucoside 
in “Astragalus mongholicus” injection.
		                        		
		                        			Conclusions
		                        			Finally, this method can be employed conveniently, reliably and successfully for the estimation 
of Calycosin-7-O-β-D-glucoside for routine quality contral and stability studies in “Astragalus 
mongholicus” injection.
		                        		
		                        		
		                        		
		                        	
8.Method validation of hydroxysafflor yellow A in “Carthamus tinctorius” injection by High-performance liquid chromatography
Baljinnyam I ; Tsendbadam B ; Battulga B ; Munkhtsetseg R ; Badamtsetseg S ; Bayanmunkh A ; Tsetsegmaa S ; Lkhaasuren R
Mongolian Medical Sciences 2021;195(1):56-63
		                        		
		                        			Introduction:
		                        			Carthamus tinctorius L. widely accepted as Safflower or false saffron, belongs to the Compositae 
or Asteraceae family. Hydroxysafflor yellow A is the main active chemical compound present in 
florets of Carthamus tinctorius L. A joint research team of the “Tsombo Pharm” Co., LTD and the 
Drug research Institute is conducting an experiment to produce a solution of “Carthamus tinctorius” 
injection prepared by Carthamus tinctorius L.
		                        		
		                        			Goal :
		                        			The aim of this study was to develop the validation method of hydroxysafflor yellow A in “Carthamus 
tinctorius” injection.
		                        		
		                        			Material and Methods :
		                        			As a test sample “Carthamus tinctorius” injection was produced by “Tsombo pharma” Co., LTD. The 
standard Hydroxysafflor yellow A was supplied from Sigma-Aldrich Co., Ltd. The reagent were high-performance liquid chromatography grade acetonitrile, phosphoric acid, methanol and purified water. 
Shimadzu HPLC (CMB-20 A, UV detector Shimadzu SPD-20A was used as the analytical instrument 
and the analysis conditions were as follows Table 1. 
		                        		
		                        			Results:
		                        			A Shimpack С18 column was used with methanol:acetonitrile:0.7% phosphoric acid as the mobile 
phase under the condition of gradient elution. The hydroxysafflor yellow A were analyzed by using 
a timed wavelength measure according to their maximum absorption wavelength. Accuracy and 
precision were assessed by analyzing five sets of samples, independently prepared at low (50%) 
middle (100%) and high (150%) concentrations. The intraday and interday precisions of the 
investigated compound were less than 1.59 % and the average recoveries ranged from 81.9% to 
101.5%. 
There were good linear correlations between the concentrations of the hydroxysafflor yellow A and 
its chromatographic peak areas (R2 = 0.998), the proposed method was successfully applied to 
determine the hydroxysafflor yellow A in “Carthamus tinctorius” injection. 
		                        		
		                        			Conclusions
		                        			The results indicated that the proposed method is simple, stable, and accurate and could be readily 
utilized as a quality control method for manufacturing process of “Carthamus tinctorius” injection.
		                        		
		                        		
		                        		
		                        	
9.Determining the usage of bloodletting tools based on ancient medical books
Byambajargal D ; Uuganbayar N ; Baljinnyam B ; Khaliunaa B ; Bold Sh
Mongolian Pharmacy and Pharmacology 2021;19(2):71-76
		                        		
		                        			Abstract
		                        			Bloodletting is a medical tradition that probably began in prehistoric times. Its rationale was based on the belief that removing blood eliminated “impure blood”. From antiquity until the beginning of the 20th century, bloodletting was considered a panacea, and it was the most common and versatile form of medical treatment. Not only was it believed to cure the sick, but also to promote vigor in the healthy. Some of the antient books of traditional medicine noted that the bloodletting tools is very importance when opening a vessel in order to bleed. Traditional medical bloodletting tools are one of the oldest archeological findings, and researchers have found many types of bloodletting tools in our country dated back thousands of years. Therefore, research on bloodletting tools an important component of bloodletting therapy, is of theoretical and practical importance. The location, indications, and tools of bloodletting therapy and bloodletting vessels are described in detail in the “Subsequent Tantra” of “Four Medical Tantras”, and its commentaries: Dar mo sman rams pa blo bzang chos grags “Dka’ phreng mun sel sgron”, Sde srid sangs rgyas rgya mtsho “Be edurya sngon po” and Luvsanchoinpil “Gces btus snying nor” so on. The first Mongolian surgical work is directly related to the historical tradition of bloodletting therapy. It is now known that the stone needles, which was discovered in the 3000th millennium BCE, may have originated from the Mongolia used to use in medicine as bloodletting tools. In the seventeenth and nineteenth centuries, Mongolian medical bloodletting tools were passed down through India and Tibet medical books, and later the science of surgery and bloodletting therapy became more sophisticated and comprehensive knowledge. At the same time, it is clear that there is every reason to say that it has been enriched by the medical knowledge of the neighboring countries and improved by their own experience.
		                        		
		                        		
		                        		
		                        	
10.Some results of studies of “Монгол хунчир” injection
Tsendbadam B ; Lkhaasuren R ; Battulga B ; Baljinnyam I ; Tsetsegmaa S ; Khurelbaatar L ; Munkhtsetseg R
Mongolian Pharmacy and Pharmacology 2021;19(2):93-99
		                        		
		                        			Introduction:
		                        			Astragalus is the largest member of the Fabaceae family of about 3,000 species on all continents except Australia, and the Astragalus mongholicus Bunge and the Astragalus membranaceus (Fisch.) Bge are studied and widely used. Astragalus contains polysaccharides, saponins, flavonoids, amino acids and trace elements, so it has a variety of pharmacological effects and is active in supporting the immune system and protecting the liver, heart and kidneys.
		                        		
		                        			Objectives:
		                        			A joint research team of the “Tsombo Pharm” Co., LTD and the Drug research Institute is conducting an experiment to produce an injectable solution from Astragalus mongholicus Bunge. The aim is to expand these previous studies to determine the main parameters of the “Монгол хунчир” injection drug technology.
		                        		
		                        			Methods:
		                        			The quality of the injection was assessed by the following parameters. These include: appearance, color of the injection solution, mechanical mixture sensing method, solution filling volume method, solution environment potentiometry method, solution clarity comparison method, insoluble particle size microscopy method, heavy metal mixture atomic absorption spectroscopy method and calicosine-7-o-β-d-glycoside content was determined by HPLC.
		                        		
		                        			Results:
		                        			According to the results of the study, the injectable drug was weak yellow, clear, free of mechanical impurities and heavy metal content, filling 2 ± 0.001 ml, pH 6.5, insoluble particle size greater than 10 μm, 3 particles per 1 ml, small particles larger than 25 μm were present in 1 ml. Calicosin-7-o-β-d-glycosides were identified in the “Монгол хунчир” injection as having the same standard and sample peak times, with the standard substance being detected at 9.003 minutes and the sample solution at 9.016 minutes (Picture 1, 2). In addition, the injection sample contained 0.0477 ± 0.0021 mg / g of calicosin-7-o-β-d-glycoside, and 0.0451-0.0551 mg / g was considered appropriate for further standardization.
		                        		
		                        			Conclusions
		                        			The “Монгол хунчир” injection meets the general requirements for injection in accordance with the Mongolian National Pharmacopeia 2011. This shows that the technological parameters developed by our research team are appropriate.
		                        		
		                        		
		                        		
		                        	
            
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