1.First-Time Mothers’ Grit, Spousal Support, and Age, and Their Relationships with Nurturing Passion, Postpartum Depression, and Happiness
Yerim JEONG ; Yaebon KIM ; Sujin YANG
Journal of the Korean Society of Maternal and Child Health 2021;25(3):177-183
Purpose:
This study aimed to examine whether first-time mothers’ grit, spousal support, and age can make significant differences in latent means of child-rearing passion, postpartum depression, and happiness.
Methods:
Data were collected from April 2 to July 16, 2019. Two hundred sixteen first-time mothers of infants and toddlers aged 0–2 years participated in a self-reported questionnaire study in which scales of nurturing passion, postpartum depression, happiness, grit, and spousal support were included. The collected data were analyzed with IBM SPSS ver. 18.0 (IBM Co., Armonk, NY, USA) for descriptive statistics and Pearson correlation analyses. In addition, Mplus (ver. 7.0) was used for the Multiple Indicators Multiple Causes (MIMIC) model approach.
Results:
The MIMIC model yielded an appropriate fit to the data (χ2=103.74, degrees of freedom=53, comparative fit index=0.96, root mean square error of approximation=0.07, standardized root mean square residual=0.05). The paths from grit and spousal support all had significantly positive beta coefficients (p<0.05) to child-rearing passion (β=0.3 and β=0.26, respectively) and happiness (β=0.22 and β=0.39, respectively), while the corresponding paths to postpartum depression were all negatively significant (β= -0.24 for both). These results suggest that unlike chronological maturity (i.e., age), grittier individuals with stronger spousal support display greater passion for child-rearing, as well as greater happiness. In a similar vein, they suffered less from postpartum depression.
Conclusion
These results imply that grit can be employed to enhance first-time mothers’ child-rearing passion and happiness as it can also concurrently offset the effects of a negative labor and child-birth experience on first-time mothers’ mental health, e.g., in terms of reducing postpartum depression.
2.First-Time Mothers’ Grit, Spousal Support, and Age, and Their Relationships with Nurturing Passion, Postpartum Depression, and Happiness
Yerim JEONG ; Yaebon KIM ; Sujin YANG
Journal of the Korean Society of Maternal and Child Health 2021;25(3):177-183
Purpose:
This study aimed to examine whether first-time mothers’ grit, spousal support, and age can make significant differences in latent means of child-rearing passion, postpartum depression, and happiness.
Methods:
Data were collected from April 2 to July 16, 2019. Two hundred sixteen first-time mothers of infants and toddlers aged 0–2 years participated in a self-reported questionnaire study in which scales of nurturing passion, postpartum depression, happiness, grit, and spousal support were included. The collected data were analyzed with IBM SPSS ver. 18.0 (IBM Co., Armonk, NY, USA) for descriptive statistics and Pearson correlation analyses. In addition, Mplus (ver. 7.0) was used for the Multiple Indicators Multiple Causes (MIMIC) model approach.
Results:
The MIMIC model yielded an appropriate fit to the data (χ2=103.74, degrees of freedom=53, comparative fit index=0.96, root mean square error of approximation=0.07, standardized root mean square residual=0.05). The paths from grit and spousal support all had significantly positive beta coefficients (p<0.05) to child-rearing passion (β=0.3 and β=0.26, respectively) and happiness (β=0.22 and β=0.39, respectively), while the corresponding paths to postpartum depression were all negatively significant (β= -0.24 for both). These results suggest that unlike chronological maturity (i.e., age), grittier individuals with stronger spousal support display greater passion for child-rearing, as well as greater happiness. In a similar vein, they suffered less from postpartum depression.
Conclusion
These results imply that grit can be employed to enhance first-time mothers’ child-rearing passion and happiness as it can also concurrently offset the effects of a negative labor and child-birth experience on first-time mothers’ mental health, e.g., in terms of reducing postpartum depression.
3.Accidental Swallowing of Nasal Packing Gauze during Silicone Tube Intubation under Local Anesthesia
Jeong Han KONG ; Yerim AN ; Youn Joo CHOI
Journal of the Korean Ophthalmological Society 2020;61(5):550-553
Purpose:
To report a case of accidental swallowing of nasal packing gauze during silicone tube intubation under local anesthesia.Case summary: A 58-year-old male patient underwent silicone tube intubation for partial nasolacrimal duct obstruction on the right side. In preparing for surgery, six cottonoids soaked were packed in righ nasal cavity, to facilitate anesthesia and prevent bleeding. Strings detectable by X-ray were attached at the cottonoids and cut 5 cm from the nostrils. After surgical hand scrubbing, the strings were not present. One cottonoid was found in the nasal cavity, but five cottonoids could not be detected by endonasal endoscopic exploration. The patient said he swallowed “something like sputum”. He did not notice any discomfort and the surgery was performed as scheduled. Abdominal X-ray performed immediately after surgery showed the presence of the five strings in the stomach. The strings were not seen on X-ray conducted 4 days later. The patient defecated normal stools three times and did not notice any discomfort over the course of 4 days.
Conclusions
Surgeons need to be aware of the possibility of accidental swallowing of nasal packing gauze during nasolacrimal duct surgery. Use of gauze detectable by X-ray is helpful to determine its location.
4.Music Perception Abilities of the Hearing Amplification System Users
Sungmin JO ; Jiyeong YUN ; Jeong-Sug KYONG ; Yerim SHIN ; Jinsook KIM
Journal of Audiology & Otology 2023;27(2):78-87
Background and Objectives:
Recently, the improvement of music perception abilities for emotional stability and high quality of life has become important for the hearing loss group. This study aimed to examine and compare the music perception abilities of the normal hearing (NH) and hearing amplification system (HAS) groups to find the needs and methods of music rehabilitation.
Subjects and Methods:
The data were collected from 15 NH adults (33.1±11.4 years) and 15 HAS adults (38.7±13.4 years), of whom eight wore cochlear implant [CI] systems and seven wore CI and hearing aid systems depending on pitch, melody, rhythm, timbre, emotional reaction, and harmony perception tests. A mismatch negativity test was also conducted, and attitudes toward and satisfaction with listening to music were measured.
Results:
The correction percentages for the NH and HAS groups were 94.0%±6.1% and 75.3%±23.2% in the pitch test; 94.0%±7.1% and 30.3%±25.9% in the melody test; 99.3%±1.8% and 94.0%± 7.6% in the rhythm test; 78.9%±41.8% and 64.4%±48.9% in the timbre test; 96.7%±10.4% and 81.7%±16.3% in the emotional reaction test; and 85.7%±14.1% and 58.4%±13.9% in the harmony test, respectively, showing statistical significance (p<0.05). For the mismatch negativity test, the area of the waveform was smaller in the HAS groups than in the NH groups, with 70 dB of stimulation showing no statistical significance. The response rates for satisfaction with listening to music were 80% and 93.3% for the NH and HAS groups, showing no statistical significance.
Conclusions
Although the HAS group showed lower music perception ability than the NH group overall, they showed a strong desire for music listening. Also, the HAS group revealed a higher degree of satisfaction even when listening to unfamiliar music played with unusual instruments. It is suggested that systematic and constant musical rehabilitation based on musical elements and different listening experiences will improve music perception qualities and abilities for HAS users.
5.Optimization of Agrobacterium tumefaciens-Mediated Transformation of Xylaria grammica EL000614, an Endolichenic Fungus Producing Grammicin
Min-Hye JEONG ; Jung A KIM ; Seogchan KANG ; Eu Ddeum CHOI ; Youngmin KIM ; Yerim LEE ; Mi Jin JEON ; Nan Hee YU ; Ae Ran PARK ; Jin-Cheol KIM ; Soonok KIM ; Sook-Young PARK
Mycobiology 2021;49(5):491-497
An endolichenic fungus Xylaria grammica EL000614 produces grammicin, a potent nematicidal pyrone derivative that can serve as a new control option for root-knot nematodes. We optimized an Agrobacterium tumefaciens-mediated transformation (ATMT) protocol for X.grammica to support genetic studies. Transformants were successfully generated after co-cultivation of homogenized young mycelia of X.grammica with A. tumefaciens strain AGL-1 carrying a binary vector that contains the bacterial hygromycin B phosphotransferase (hph) gene and the eGFP gene in T-DNA. The resulting transformants were mitotically stable, and PCR analysis showed the integratin of both genes in the genome of transformants.Expression of eGFP was confirmed via fluorescence microscopy. Southern analysis showed that 131 (78.9%) out of 166 transformants contained a single T-DNA insertion. Crucial factors for producing predominantly single T-DNA transformants include 48 h of co-cultivation, pretreatment of A. tumefaciens cells with acetosyringone before co-cultivation, and using freshly prepared mycelia. The established ATMT protocol offers an efficient tool for random insertional mutagenesis and gene transfer in studying the biology and ecology ofX.grammica.
6.Far-infrared rays enhance mitochondrial biogenesis and GLUT3 expression under low glucose conditions in rat skeletal muscle cells
Yelim SEO ; Young-Won KIM ; Donghee LEE ; Donghyeon KIM ; Kyoungseo KIM ; Taewoo KIM ; Changyeob BAEK ; Yerim LEE ; Junhyeok LEE ; Hosung LEE ; Geonwoo JANG ; Wonyeong JEONG ; Junho CHOI ; Doegeun HWANG ; Jung Soo SUH ; Sun-Woo KIM ; Hyoung Kyu KIM ; Jin HAN ; Hyoweon BANG ; Jung-Ha KIM ; Tong ZHOU ; Jae-Hong KO
The Korean Journal of Physiology and Pharmacology 2021;25(2):167-175
Far-infrared rays (FIR) are known to have various effects on atoms and molecular structures within cells owing to their radiation and vibration frequencies. The present study examined the effects of FIR on gene expression related to glucose transport through microarray analysis in rat skeletal muscle cells, as well as on mitochondrial biogenesis, at high and low glucose conditions. FIR were emitted from a bio-active material coated fabric (BMCF). L6 cells were treated with 30% BMCF for 24 h in medium containing 25 or 5.5 mM glucose, and changes in the expression of glucose transporter genes were determined. The expression of GLUT3 (Slc2a3) increased 2.0-fold (p < 0.05) under 5.5 mM glucose and 30% BMCF. In addition, mitochondrial oxygen consumption and membrane potential (ΔΨm) increased 1.5- and 3.4-fold (p < 0.05 and p < 0.001), respectively, but no significant change in expression of Pgc-1a, a regulator of mitochondrial biogenesis, was observed in 24 h. To analyze the relationship between GLUT3 expression and mitochondrial biogenesis under FIR, GLUT3 was down-modulated by siRNA for 72 h. As a result, the ΔΨm of the GLUT3 siRNA-treated cells increased 3.0-fold (p < 0.001), whereas that of the control group increased 4.6-fold (p < 0.001). Moreover, Pgc-1a expression increased upon 30% BMCF treatment for 72 h; an effect that was more pronounced in the presence of GLUT3. These results suggest that FIR may hold therapeutic potential for improving glucose metabolism and mitochondrial function in metabolic diseases associated with insufficient glucose supply, such as type 2 diabetes.
7.Draft Genome Sequence of Xylaria grammica EL000614, a Strain Producing Grammicin, a Potent Nematicidal Compound
Sook-Young PARK ; Jongbum JEON ; Jung A KIM ; Mi Jin JEON ; Nan Hee YU ; Seulbi KIM ; Ae Ran PARK ; Jin-Cheol KIM ; Yerim LEE ; Youngmin KIM ; Eu Ddeum CHOI ; Min-Hye JEONG ; Yong-Hwan LEE ; Soonok KIM
Mycobiology 2021;49(3):294-296
An endolichenic fungus,Xylaria grammica strain EL000614, showed strong nematicidal effects against plant pathogenic nematode, Meloidogyne incognita by producing grammicin. We report genome assembly of X. grammica EL000614 comprised of 25 scaffolds with a total length of 54.73 Mb, N50 of 4.60 Mb, and 99.8% of BUSCO completeness. GC contents of this genome were 44.02%. Gene families associated with biosynthesis of secondary metabolites or regulatory proteins were identified out of 13,730 gene models predicted.
8.Draft Genome Sequence of Xylaria grammica EL000614, a Strain Producing Grammicin, a Potent Nematicidal Compound
Sook-Young PARK ; Jongbum JEON ; Jung A KIM ; Mi Jin JEON ; Nan Hee YU ; Seulbi KIM ; Ae Ran PARK ; Jin-Cheol KIM ; Yerim LEE ; Youngmin KIM ; Eu Ddeum CHOI ; Min-Hye JEONG ; Yong-Hwan LEE ; Soonok KIM
Mycobiology 2021;49(3):294-296
An endolichenic fungus, Xylaria grammica strain EL000614, showed strong nematicidal effects against plant pathogenic nematode, Meloidogyne incognita by producing grammicin.We report genome assembly of X. grammica EL000614 comprised of 25 scaffolds with a total length of 54.73 Mb, N50 of 4.60 Mb, and 99.8% of BUSCO completeness. GC contents of this genome were 44.02%. Gene families associated with biosynthesis of secondary metabolites or regulatory proteins were identified out of 13,730 gene models predicted.
9.Far-infrared rays enhance mitochondrial biogenesis and GLUT3 expression under low glucose conditions in rat skeletal muscle cells
Yelim SEO ; Young-Won KIM ; Donghee LEE ; Donghyeon KIM ; Kyoungseo KIM ; Taewoo KIM ; Changyeob BAEK ; Yerim LEE ; Junhyeok LEE ; Hosung LEE ; Geonwoo JANG ; Wonyeong JEONG ; Junho CHOI ; Doegeun HWANG ; Jung Soo SUH ; Sun-Woo KIM ; Hyoung Kyu KIM ; Jin HAN ; Hyoweon BANG ; Jung-Ha KIM ; Tong ZHOU ; Jae-Hong KO
The Korean Journal of Physiology and Pharmacology 2021;25(2):167-175
Far-infrared rays (FIR) are known to have various effects on atoms and molecular structures within cells owing to their radiation and vibration frequencies. The present study examined the effects of FIR on gene expression related to glucose transport through microarray analysis in rat skeletal muscle cells, as well as on mitochondrial biogenesis, at high and low glucose conditions. FIR were emitted from a bio-active material coated fabric (BMCF). L6 cells were treated with 30% BMCF for 24 h in medium containing 25 or 5.5 mM glucose, and changes in the expression of glucose transporter genes were determined. The expression of GLUT3 (Slc2a3) increased 2.0-fold (p < 0.05) under 5.5 mM glucose and 30% BMCF. In addition, mitochondrial oxygen consumption and membrane potential (ΔΨm) increased 1.5- and 3.4-fold (p < 0.05 and p < 0.001), respectively, but no significant change in expression of Pgc-1a, a regulator of mitochondrial biogenesis, was observed in 24 h. To analyze the relationship between GLUT3 expression and mitochondrial biogenesis under FIR, GLUT3 was down-modulated by siRNA for 72 h. As a result, the ΔΨm of the GLUT3 siRNA-treated cells increased 3.0-fold (p < 0.001), whereas that of the control group increased 4.6-fold (p < 0.001). Moreover, Pgc-1a expression increased upon 30% BMCF treatment for 72 h; an effect that was more pronounced in the presence of GLUT3. These results suggest that FIR may hold therapeutic potential for improving glucose metabolism and mitochondrial function in metabolic diseases associated with insufficient glucose supply, such as type 2 diabetes.
10.Draft Genome Sequence of Xylaria grammica EL000614, a Strain Producing Grammicin, a Potent Nematicidal Compound
Sook-Young PARK ; Jongbum JEON ; Jung A KIM ; Mi Jin JEON ; Nan Hee YU ; Seulbi KIM ; Ae Ran PARK ; Jin-Cheol KIM ; Yerim LEE ; Youngmin KIM ; Eu Ddeum CHOI ; Min-Hye JEONG ; Yong-Hwan LEE ; Soonok KIM
Mycobiology 2021;49(3):294-296
An endolichenic fungus,Xylaria grammica strain EL000614, showed strong nematicidal effects against plant pathogenic nematode, Meloidogyne incognita by producing grammicin. We report genome assembly of X. grammica EL000614 comprised of 25 scaffolds with a total length of 54.73 Mb, N50 of 4.60 Mb, and 99.8% of BUSCO completeness. GC contents of this genome were 44.02%. Gene families associated with biosynthesis of secondary metabolites or regulatory proteins were identified out of 13,730 gene models predicted.