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Black soldier fly as feed ingredient for ruminants

  • Astuti, Dewi Apri;Wiryawan, Komang Gede
    • Animal Bioscience
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    • v.35 no.2_spc
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    • pp.356-363
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    • 2022
  • This paper is a review of some experiments using black soldier fly (BSF) and its by-product to explore their nutritional value, production potential in Indonesia and its application in the ration of ruminants. Evaluation on the effect of milk replacer, creep feed containing BSF, BSF frass and the possibility to use lactic acid bacteria from BSF as probiotics are presented. Utilization of BSF larvae in milk replacer as skim and cream milk substitute showed that there were similarity on physiological, hematological status and performance of goat kids compared to those offered goat milk or commercial milk replacer. In addition, BSF larvae can be used to substitute soybean meal in the creep feed for post weaning goat kids without any differences in weight gain and blood profiles. However, utilization of BSF frass in the fattening goat ration resulted lower digestibility of dry matter and organic matter due to the chitin content in the frass. Black soldier fly larvae grown on chicken manure harbour lactic acid bacteria (LAB) which have potential as probiotics for ruminants. In general, BSF larvae has potential as ingredient for milk replacer, creep feed, fattening ration, and source of LAB for probiotics.

Hair Loss Treatment Using Erbium:YAG Fractional Laser with Hair Growth-promoting Solution

  • Ahn, Dong Hyun
    • Medical Lasers
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    • v.10 no.3
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    • pp.176-180
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    • 2021
  • Several methods have been used to treat androgenetic hair loss, ranging from hair transplants to finasteride and minoxidil. Sometimes platelet-rich plasma injection therapy may be used to increase the satisfaction of patients who come to the hospital. However, some patients are sensitive to pain and are subjected to the inconvenience of requiring treatment after each blood sampling. The author had reported the effects of using a hair growth-promoting solution and JetpeelTM in parallel with a painless hair loss treatment method. However, the author was interested in more effective methods for patients with M-shaped or vertex hair loss who do not want to take medications or undergo hair transplant. In addition to the existing light-emitting diode therapy and electromagnetic field treatment, the author has made considered attempts to use various laser wavelength bands. However, the equipment for these methods can be expensive and are not suitable for patients who emphasize on cost-effectiveness. Therefore, the author used an existing reported method and a device based on the fractional erbium:YAG laser to provide the hair growth-promoting solution in parallel. The author chose a fractional 2940 nm-based laser device as a medium that could efficiently increase the growth phase, reduce the catagen phase, and facilitate intradermal product and drug delivery. As a result, there was a therapeutic benefit without any significant side effects such as redness and itching. Among the patients, the author reported the effects of the treatment on one patient with frontal M-shaped, mid, and vertex hair loss.

Effects of Albizia julibrissin Durazz through Suppression of Mitochondrial Fission and Apoptosis in Cisplatin-induced Acute Kidney Injury

  • Hui-Ju Lee;Kyung-Hyun Kim;Yae-Ji Kim;Sung-Pil Cho;Geum-Lan Hong;Ju-Young Jung
    • Natural Product Sciences
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    • v.28 no.4
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    • pp.194-200
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    • 2022
  • Albizia julibrissin Durazz. (AJ; family Minosaceae) is widely distributed worldwide, and its stem bark has been used as a traditional herbal medicine. Acute kidney injury (AKI) is a clinical syndrome that results in sudden loss of renal function. This study aimed to investigate the effects of AJ against cisplatin-induced AKI using a human kidney proximal tubule epithelial cell line (HK-2) and cisplatin-treated mice. In vitro, cisplatin treatment increased apoptosis in HK-2 cells. However, AJ treatment decreased apoptosis of cisplatin-treated HK-2 cells. In vivo, cisplatin treatment accelerated renal injury by increasing the levels of renal injury markers, such as blood urea nitrogen, creatinine, kidney injury molecule 1, and neutrophil gelatinase-associated lipocalin, which were reversed by AJ treatment. Histopathologically, AJ treatment resulted in decreased renal damage with less tubular necrosis and brush border desquamation compared with the AKI group. Additionally, cisplatin treatment upregulated mitochondrial fission, a pathological characteristic of AKI, which was downregulated by AJ treatment. Along with increased mitochondrial fission, AJ treatment also reduced cisplatin-induced apoptosis. These results suggest that AJ may be a potential therapeutic agent for cisplatin-induced AKI.

Tschimganidine reduces lipid accumulation through AMPK activation and alleviates high-fat diet-induced metabolic diseases

  • Min-Seon Hwang;Jung-Hwan Baek;Jun-Kyu Song;In Hye Lee;Kyung-Hee Chun
    • BMB Reports
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    • v.56 no.4
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    • pp.246-251
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    • 2023
  • Obesity increases the risk of mortality and morbidity because it results in hypertension, heart disease, and type 2 diabetes. Therefore, there is an urgent need for pharmacotherapeutic drugs to treat obesity. We performed a screening assay using natural products with anti-adipogenic properties in 3T3-L1 cells and determined that tschimganidine, a terpenoid from the Umbelliferae family, inhibited adipogenesis. To evaluate the anti-obesity effects of tschimganidine in vivo. Mice were fed either a normal chow diet (NFD) or a high-fat chow diet (HFD) with or without tschimganidine for 12 weeks. Treatment with tschimganidine decreased lipid accumulation and adipogenesis, accompanied by reduced expression of adipogenesis and lipid accumulation-related factors. Tschimganidine significantly increased the phosphorylation of AMP-activated protein kinase (AMPK) and decreased that of AKT. Depletion of AMPK relieved the reduction in lipid accumulation resulting from tschimganidine treatment. Moreover, tschimganidine administration drastically reduced the weight and size of both gonadal white adipose tissue (WAT) and blood glucose levels in high-fat diet-induced obese mice. We suggest that tschimganidine is a potent anti-obesity agent, which impedes adipogenesis and improves glucose homeostasis. Tschimganidine can then be evaluated for clinical application as a therapeutic agent.

The Suppression Effect of Garcinia Mangostana L. Pericarp Extract on Cerebral Neovascularization in Type 2 Diabetic Mellitus Rats

  • Muhammad Mufaiduddin;Vega Karlowee;Yora Nindita;Muflihatul Muniroh
    • Natural Product Sciences
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    • v.29 no.2
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    • pp.91-97
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    • 2023
  • Mangosteen peel extract is a xanthone group, that plays an important role in anti-angiogenesis. This study investigated mangosteen peel extract on cerebral neovascularization in type 2 diabetes mellitus (DM) rats. This study used 36 rats, randomized into six groups: C1 (negative control); C2 (high fat diet (HFD) and mangosteen peel extract at 200 mg/kg BW); C3 (HFD and diabetic); E1, E2, and E3 (HFD, diabetic, and extract at 100, 200, and 400 mg/kg BW respectively). All groups were measured body mass index (BMI), homeostasis model assessment-insulin resistance (HOMA-IR) and β cell function (HOMA-B), and histopathological feature of cerebral vascular (CV). There were significant differences in BMI, HOMA-IR, HOMA-B, and the mean number of CV (all p < 0.05) among treatment groups. E1-3 groups had a significantly lower level of blood glucose and HOMA-IR, and a higher level of HOMA-B and BMI (all p < 0.05) which tends to reduce cerebral neovascularization. HOMA-IR independently had a positive effect to induce neovascularization of CV (p < 0.05, R2 = 26.8%). These findings suggested that mangosteen peel extract increased β-cell function sensitivity, and effectively suppressed insulin resistance, BMI, and cerebral neovascularization process in type 2 DM rats.

Development of Drug Candidate for the Treatment of Lymphedema Using Natural Product and its Derivatives from Rhus verniciflua Strokes (옻나무(Rhus verniciflua Strokes) 주요 단일성분과 그 유도체를 이용한 다중기전 림프부종 치료제 후보물질 개발)

  • Sukchan Lee;Jin-Mo Ku
    • Proceedings of the Plant Resources Society of Korea Conference
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    • 2022.09a
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    • pp.20-20
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    • 2022
  • Herein, we demonstrate that butein (1) can prevent swelling in a murine lymphedema model by suppressing tumor necrosis factor α (TNF-α) production. Butein derivatives were synthesized and evaluated to identify compounds with in vitro anti-inflammatory activity. Among them, 20 µM of compounds 7j, 7m, and 14a showed 50% suppression of TNF-α production in mouse peritoneal macrophages after lipopolysaccharide stimulation. Compound 14a, exhibited the strongest potency with an in vitro IC50 of 14.6 µM and suppressed limb volume by 70% in a murine lymphedema model. The prodrug strategy enabled a six-fold increase in kinetic solubility of compound 1 and five-fold higher levels of active metabolite in the blood for compound 14a via oral administration in the pharmacokinetics study. We suggest that the compound 14a could be developed as a potential therapeutic agent targeting anti-inflammatory activity to alleviate lymphedema progression.

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Relation between Milk Consumption and Bone Mineral Density of Female College Students in Korea (여대생의 우유와 유제품 섭취실태 및 골밀도와의 관계 연구)

  • Lee, Jung-Sug;Yu, Choon-Hie;Chung, Chin-Eun
    • Journal of Nutrition and Health
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    • v.39 no.5
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    • pp.451-459
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    • 2006
  • The purpose of our study was to evaluate an association between milk consumption and bone mineral density (BMD) of female college students in Korea. The dietary data of 1,410 Korean college students living in the vicinity of Seoul area were collected through the Food Frequency Questionnaire. The mean age, height, weight and 8MI of the subjects were 20.4 years, 162.1 cm, 52.7 kg, and $20.0\;kg/m^2$ respectively. The mean intakes of energy, protein, and phosphorus were 2,398.7 kcal, 95.2 g, and 1,302.9 mg respectively, which were above their EER or Recommended Intake (RI), but the mean intake of calcium was 657.8 mg which was below its RI, and 44.0% of the subjects did not meet Estimated Average Requirement (EAR) of calcium. The daily milk consumption was 131.1 g, and the total consumption of milk and dairy product was 228.7 g. Forty five percent of the subjects consumed $50{\sim}200\;g$ of milk or dairy products. After the analysis of their dietary intakes, the subjects were divided into quintiles of total consumption of milk and dairy product, which were considered as major source of dietary calcium. Ninety two subjects from the upper quintile (UQ) and 85 subjects from the lower quintile (LQ) were selected and their bone mineral densities (BMD) of lumbar spine (L1-L4) and the femur were examined by the dual energy X-ray absorptiometry. The BMD $(g/cm^2)$of L1, L2, L3, and average of femur were 1.065, 1.150, 1.187, and 0.988 for the UQ subjects, which were significantly higher than those of the LQ subjects, 1.010, 1.090, 1.146, and 0.942 respectively. Moreover, the T-scores of the UQ were significantly higher than those of the LQ. The prevalence rates of osteopenia classified according to WHO's criterion were 12.0% in the UQ. and 20.0% in the LQ group which showed non significant. Blood levels of calcium, and phosphorus of UQ and LQ group were both within the normal range, and were not significantly different. Our results showed that UQ group presented the better status of bone mineral density and bone health. Therfore our results suggest that continuous consumption of more than one and a half cups of milk per day, which corresponds to the least amount of UQ group's consumption, would affect positively on the bone health of Korean adults.

Effect of Supplementary Actinomycetes (Nocardia sp. CS682) Ferment on the Performance, Blood Parameters, Immunoglobulin and Small Intestinal Microflora Contents in Broilers (방선균(Nocardia sp. CS682) 발효물의 급여가 육계의 생산성, 혈액성상, 면역글로불린 및 소장 내 미생물 함량에 미치는 영향)

  • Rhee, Ah-Reum;Shin, Dong-Hun;Kim, Chan-Ho;Jung, Byoung-Yun;Yoo, Jin-Chul;Hong, Yong-Ho;Paik, In-Kee
    • Korean Journal of Poultry Science
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    • v.38 no.1
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    • pp.71-80
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    • 2011
  • This study was conducted to investigate the effects of dietary supplementation of CS682, a fermentation product of Actinomycetae Nocardia sp. CS682, and DCS682$^{(R)}$, a commercial product, on the performance, blood parameters, small intestinal microflora, and immunoglobulin contents in broilers. In Exp. 1, a total of 240 ROSS$^{(R)}$ broiler chickens of 1d old were assigned to six dietary treatments: Control, Antibiotics (6 ppm avilamycin), CS682-0.25 (CS682 0.25%), CS682-0.50, CS682-0.75 and CS682-1.00. There were significant (p<0.05) differences among treatments in feed conversion. The CS682-0.25 treatment was significantly (p<0.05) lower than Antibiotics and other CS682 treatments in 0~2 wk feed conversion. The CS682 treatments influenced MCV (mean corpuscular volume) in blood. The cfu of Escherichia coli in small intestinal content was lowest in Antibiotics treatment followed by CS682 treatments and Control. In Exp. 2, a total of 1,000 ROSS$^{(R)}$ broiler chickens of 1 d old were assigned to five dietary treatments: Control, Antibiotics (6 ppm avilamycin), DCS682-0.05 (DCS682$^{(R)}$ 0.05%), DCS682-0.10 and DCS682-0.20. There were significant differences (p<0.05) among treatments in mortality. The DCS682-0.20 treatment was lower than DCS682-0.10 in 0~3 wk and lower than Control in 0~5 wk mortality. Antibiotics treatment was lowest in all microbial population in small intestinal content. The cfu of E. coli and Salmonella typhimurium of DCS682 treatments were higher than Antibiotics treatment but lower than the Control. The results of present broiler experiments indicated that supplementation of 0.20~0.25% CS682 and DCS682, improve feed conversion, mortality and control harmful intestinal microbes.

Survey of antibody on Orientia Tsutsugamushi among wild rodents in Gyeongnam area and detection by nested polymerase chain reaction (경남지역 야생들쥐에서 Orientia tsutsugamushi에 대한 항체 조사 및 PCR에 의한 검색)

  • Hah, Dae-Sik;Kim, Young-Hoon;Park, Jung-Ung;Park, Jae-Kap;Kim, Chung-Hui;Ryu, Jae-Doo;Jong, Myung-Ho;Heo, Jung-Ho;Shu, Jong-Lip;Cho, Myung-Heui;Lee, Kuk-Cheon;Kim, Gon-Sup;Kim, Eui-Kyung;Kim, Jong-Shu
    • Korean Journal of Veterinary Research
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    • v.44 no.2
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    • pp.241-249
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    • 2004
  • As a part of epidemiologic investigation of tsutsugamushi disease, the wild rodents which were captured in Gyeongnam area were diagnosed with indirect immunofluorescent antibody assay (IFA) and Polymerase Chain Reaction (PCR) to find if they have an antibody against Orientia tsutsugamushi. The conclusion was drawn as followings. (1) The captured 58 wild rodents showed that the subspecies distribution of Apodemus agrarius was 86.2%, Microtus fortis was 8.6% and Crocidura lasiura was 5.2%. (2) The antibody positive rate of O. tsutsugamushi Gilliam, Karp, Karto and Boryong by IFA method was 32.0% in Apodemus agrarius among 50 wild rodents and 40.0% in Microtus fortis among 5 wild rodents, respectively. It was negative in the case of all the 3 Crocidura lasiura. (3) The antibody titers on Apodemus agrarius, Microtus fortis and Crocidura lasiura against Gilliam, Karp, Karto and Boryong were measured between 1:20 and 1:640. The antibody titer against each antigen was in the order Boryong>Gilliam>Karp. (4) O. tsutsugamushi was detected from the blood, spleen and kidney from the artificially infected mice by IFA and PCR. IFA showed the positive response between 3 and 18 days after inoculation. On the other hand, positive response was found from all the samples by PCR. (5) From PCR of the genomic DNA extracted from the blood, spleen and kidney samples of the captured wild rodents, Boryong-specific amplification product with size of 210 bp, which is particular in Boryong, was detected from spleen and kidney samples, but not detected in the blood. (6) Boryong-specific amplification product was detected from spleen and kidney samples which were obtained at 3, 6, 12, 18 and 24 days after the infection with Boryong. But, it wasn't detected from the uninfected samples. (7) From PCR of spleen and kidney samples of the captured wild rodents, it was found that positive rate of O. tsutsugamushi in Apodemus agrarius and Microtus fortis were 25.0% (4/16) and 20.0% (1/5), respectively. From the above results, it can be concluded that Apodemus agrarius resided in Gyeongnam area carried O. tsutsugamushi and PCR method might be a simple, precise, rapid and useful diagnostic tool than IFA for the diagnosis of O. tsutsugamushi.

Eliminatory Effect of Health Drink Containing Hovenia Dulcis Thunb Extract on Ethanol-Induced Hangover in Rats (헛개나무 열매 추출물을 함유한 건강음료의 숙취 제거 효과)

  • Park, Eun-Mi;Ye, Eun-Ju;Kim, Soo-Jung;Choi, Hyun-Im;Bae, Man-Jong
    • Journal of the Korean Society of Food Culture
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    • v.21 no.1
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    • pp.71-75
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    • 2006
  • This study was conducted to investigate the eliminatory effect of health drink containing Hovenia dulcis Thunb extract on ethanol-induced hangover in rats. Male Sprague-Dawley rats weighing $200{\pm}10\;g$ were given health drink (10 mL/kg) or other company product(10 mL/kg) 30 min before or after 40% ethanol (5 g/kg body weight) ingestion. To study the effect of health drink on blood ethanol concentration, blood was taken from caudal artery at 1, 3, 5 hr and the animal were sacrificed 24 hr after ethanol ingestion. From 1 to 5 hr, health drink pre- or postdosing significantly decreased the ethanol levels in the blood. The acetaldehyde concentration showed decrement in health drink group and other company product group. The activities of ethanol, alcohol dehydrogenase and aldehyde dehydrogenase measured at postdosing, were also not altered by the administration of health drink. Alanine aminotransferase and aspartate aminotransferase activities showed unaltered resulted in all experimental groups compared with the normal group. These results suggest that oral intake of health drink containing Hovenia dulcis Thunb is effective on elimination of ethanol-induced hangover.