JaLCDOI 10.18926/AMO/62820
FullText URL 75_6_763.pdf
Author Iwata, Takehiro| Sadahira, Takuya| Maruyama, Yuki| Sekito, Takanori| Yoshinaga, Kasumi| Watari, Shogo| Nagao, Kentaro| Kawada, Tatsushi| Tominaga, Yusuke| Nishimura, Shingo| Takamoto, Atsushi| Sako, Tomoko| Edamura, Kohei| Kobayashi, Yasuyuki| Araki, Motoo| Ishii, Ayano| Watanabe, Masami| Watanabe, Toyohiko| Nasu, Yasutomo| Wada, Koichiro|
Abstract The aim of this ongoing trial is to evaluate the clinical efficacy and safety of sitafloxacin (STFX) 200 mg once daily (QD) for 7 days in patients with refractory genitourinary tract infections, which include recurrent or complicated cystitis, complicated pyelonephritis, bacterial prostatitis, and epididymitis. The primary endpoint is the microbiological efficacy at 5-9 days after the last administration of STFX. Recruitment began in February 2021, and the target total sample size is 92 participants.
Keywords genitourinary tract infections fluoroquinolone resistance extended-spectrum beta-lactamase
Amo Type Clinical Study Protocol
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 763
End Page 766
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955548
Web of Science KeyUT 000735319800006
NAID 120007180272
JaLCDOI 10.18926/AMO/62819
FullText URL 75_6_759.pdf
Author Shimizu, Dai| Yamamoto, Hiromasa| Shien, Kazuhiko| Taniguchi, Kohei| Miyoshi, Kentaroh| Namba, Kei| Mesaki, Kumi| Sugimoto, Seiichiro| Soh, Junichi| Yamane, Masaomi| Toyooka, Shinichi|
Abstract Pulmonary enteric adenocarcinoma (PEAC) is a rare subtype of lung cancer that should be differentiated from colorectal cancer metastasis. Little is known about its genetic background. An 84-year-old male with adenocarcinoma of the lung underwent left upper lobectomy. The histology of the surgical specimen was suggestive of PEAC. Gastrointestinal and colorectal fiberscopy revealed no evidence of colorectal cancer. Next-generation sequencing of the tumor identified a G469V substitution in serine/threonine-protein kinase B-raf (BRAF). Based on the higher prevalence of the G469 substitution in BRAF-mutant lung adenocarcinoma than in BRAFmutant colorectal cancer, the tumor likely originated from the lung. Identification of mutational genotype may be of some help in distinguishing PEAC from the lung metastasis of colorectal cancer.
Keywords non-small cell lung cancer somatic mutations pulmonary adenocarcinoma with enteric differentiation non-V600E BRAF mutation next-generation sequencing
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 759
End Page 762
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955547
Web of Science KeyUT 000735319800005
NAID 120007180273
JaLCDOI 10.18926/AMO/62818
FullText URL 75_6_755.pdf
Author Takagi, Kosei| Kuise, Takashi| Umeda, Yuzo| Yoshida, Ryuichi| Yoshida, Kazuhiro| Nagai, Yasuo| Noma, Kazuhiro| Tanabe, Shunsuke| Maeda, Naoaki| Yagi, Takahito| Fujiwara, Toshiyoshi|
Abstract Approximately 4% of patients with esophageal cancer develop a second primary malignancy in the upper gastrointestinal trunk. However, hepatectomy following esophagectomy for esophageal cancer has rarely been reported. We report the case of a 70-year-old man who underwent an esophagectomy for esophageal cancer with retrosternal gastric tube reconstruction. Nine years later, he developed hepatocellular carcinoma with tumor thrombus involving the left portal vein, and was successfully treated with left hemihepatectomy. Special attention should be paid to avoiding incidental injury of the gastric tube as well as the right gastroepiploic artery during the hepatectomy.
Keywords liver resection, esophagectomy, retrosternal gastric tube reconstruction
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 755
End Page 758
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955546
Web of Science KeyUT 000735319800004
NAID 120007180274
JaLCDOI 10.18926/AMO/62817
FullText URL 75_6_751.pdf
Author Endo, Hirosuke| Yamada, Kazuki| Testunaga, Tomonori| Furumatsu, Takayuki| Mitani, Shigeru| Ozaki, Toshifumi|
Abstract The improved cemented cup technique has attained excellent long-term results in primary total hip arthroplasty. When cup revision surgery was performed, the cemented cup, which was loosened at the bone-cement interface, was easily removed. However, with a well-fixed bone-cement interface, it remains difficult to remove the cemented cup for a revision in the event of a recurring dislocation. In addition, protrusions in the cement can cause unpredictable bone defects. A new removal device was created and used successfully to remove a well-fixed cemented cup safely and efficiently. This report introduces the device and the technique used in cemented cup removal.
Keywords total hip arthroplasty revision surgery well-fixed cemented cup
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 751
End Page 754
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955545
Web of Science KeyUT 000735319800003
NAID 120007180275
JaLCDOI 10.18926/AMO/62816
FullText URL 75_6_745.pdf
Author Hayata, Kei| Mishima, Sakurako| Ohira, Akiko| Tani, Kazumasa| Maki, Jota| Eto, Eriko| Ogawa, Chikako| Masuyama, Hisashi|
Abstract NIPT is non-definitive testing to estimate the possibility that fetuses have trisomy 21, trisomy 18, or trisomy 13. However, in NIPT-positive and indeterminate cases, rare chromosomal disease may become apparent, requiring advanced genetic considerations and counseling skills. We experienced two such cases, a trisomy 21 mosaicism case triggered by NIPT-positive status and 18q deletion syndrome triggered by NIPT-indeterminate status. These cases have two clinical implications for NIPT. First, it was revealed that trisomy mosaicism might be found in NIPT-positive cases that have lower Z-Scores than those inferred from the fraction of fetal cfDNA in the case of standard trisomy. Second, it is possible that microdeletion syndrome could be the reason for an indeterminate NIPT result. Today’s genetic counseling requires more expertise in ethics and communication as well as genetic science because NIPT can lead to totally unexpected results.
Keywords NIPT massively parallel sequencing trisomy 21 mosaicism 18q-deletion syndrome genetic counseling
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 745
End Page 750
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955544
Web of Science KeyUT 000735319800002
NAID 120007180276
JaLCDOI 10.18926/AMO/62815
FullText URL 75_6_741.pdf
Author Morita, Tetsuro| Shiode, Yusuke| Kimura, Shuhei| Hosokawa, Mio| Doi, Shinichiro| Takahashi, Kosuke| Matoba, Ryo| Kanzaki, Yuki| Tabata, Masahiro| Morizane, Yuki|
Abstract A 65-year-old man presented with a 1-week history of left eye distortion. An elevated choroidal lesion covering 6 disc diameters was found in the posterior retina of the left eye. Systemic examination revealed sublingual gland carcinoma and multiple lung metastases, and the diagnosis was choroidal metastasis from sublingual gland carcinoma. Following chemotherapy and radiation therapy, the choroidal lesion shrunk and the patient’s visual acuity improved. The patient died 23 months after his first visit. To the best of our knowledge, this is the first reported case of choroidal metastasis from sublingual gland carcinoma.
Keywords adenoid cystic carcinoma choroidal metastasis sublingual gland
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 741
End Page 744
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955543
Web of Science KeyUT 000735319800001
NAID 120007180277
JaLCDOI 10.18926/AMO/62814
FullText URL 75_6_735.pdf
Author Nagai, Yasuo| Takagi, Kosei| Kuise, Takashi| Umeda, Yuzo| Yoshida, Ryuichi| Yoshida, Kazuhiro| Yasui, Kazuya| Yagi, Takahito| Fujiwara, Toshiyoshi|
Abstract Surgical intervention for hepatolithiasis following hepaticojejunostomy (HJ) has rarely been reported. Herein, we present a case of post-HJ multiple hepatolithiasis treated with left hemihepatectomy with double HJ reconstruction. A 72-year-old woman who had undergone HJ for iatrogenic bile duct injury developed repeated cholangitis due to complicated hepatolithiasis accompanied by an atrophied left hepatic lobe and HJ stricture. Since endoscopic intervention was unsuccessful, the patient underwent left hemihepatectomy with HJ re-anastomoses of the common hepatic duct and left hepatic duct (double HJ technique). The double HJ technique with hepatectomy can be a useful option for treating complicated hepatolithiasis following HJ.
Keywords hepatolithiasis hepaticojejunostomy hepatectomy
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 735
End Page 739
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955542
Web of Science KeyUT 000735297900009
NAID 120007180278
JaLCDOI 10.18926/AMO/62813
FullText URL 75_6_725.pdf
Author Matsumoto, Hiroshi| Kimata, Yoshihiro| Ota, Tomoyuki| Sugiyama, Narushi| Onoda, Satoshi| Makino, Takuma| Takeda, Seiko| Mizukawa, Nobuyoshi|
Abstract The long-term changes in tissues implanted in the oral cavity and pharynx after head and neck reconstruction have not been fully evaluated. This study aimed to clarify the morphological changes, long-term durability, and potential for secondary carcinogenesis in such tissues. In our single-center study, the rough morphological changes in 54 cases of intraoral and pharyngeal skin and mucosal flaps were evaluated more than 10 years after flap transfer. In addition, the literature on the development of second carcinomas from skin flaps was reviewed. The mean follow-up period for transferred flaps was 148 months. The reconstruction areas and the probability of morphological changes were significantly correlated (p=0.006), especially in cases with tongue, lower gingiva, and buccal mucosal reconstruction. Free jejunal flap surfaces were well maintained, whereas tubed skin flaps showed severe morphological changes in cases with pharyngeal reconstruction. None of the flaps in our series developed second primary carcinomas. Skin flaps generally had good durability for > 10 years in intraoral environments, while mucosal flaps had better durability for pharyngeal reconstruction. Second squamous carcinomas arising from skin flaps are extremely rare; however, surgeons should take this possibility into consideration and conduct meticulous and long-term follow-up.
Keywords skin flap mucosal flap oral reconstruction morphological change second primary carcinoma
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 725
End Page 734
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955541
NAID 120007180279
JaLCDOI 10.18926/AMO/62812
FullText URL 75_6_719.pdf
Author Uehara, Shinya| Fujio, Kei| Yamasaki, Tomoya| Otsuki, Hideo|
Abstract Differentiating patients by age and causative bacterial morphology might aid in making the appropriate choice of antimicrobial agent when treating acute uncomplicated cystitis. In this retrospective analysis, the non-susceptibility rates of the causative bacteria to cefcapene-pivoxil (CFPN-PI) and levofloxacin (LVFX) were determined after dividing patients with acute uncomplicated cystitis by age group (15-54 and 55-74 years old) and by bacterial morphology: gram-positive cocci (GPC) or gram-negative rod (GNR). The overall non-susceptibility rates for CFPN-PI and LVFX were 19.4% and 15.3%, respectively. When the subjects were divided by age, only the non-susceptibility rate for LVFX in the younger group significantly decreased (to 8.7%). When the groups were divided by both age and bacterial morphology, the younger GNR group had non-susceptibility rates of 6.9% to CFPN-PI and 7.8% to LVFX, whereas the younger GPC group showed 10.2% non-susceptibility to LVFX. The older GNR group showed 9.8% non-susceptibility to CFPN-PI, while the older GPC group showed 7.2% non-susceptibility to LVFX. All the non-susceptibility rates were lower than 10.2% in the sub-divided groups. Differentiating patients by age and the morphology of causative bacteria can aid in making the appropriate choice of antimicrobial agent and may improve treatment outcomes in patients with acute uncomplicated cystitis.
Keywords acute uncomplicated cystitis oral antimicrobial agents antimicrobial susceptibility menopause Gram stain
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 719
End Page 724
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955540
Web of Science KeyUT 000735297900008
NAID 120007180280
JaLCDOI 10.18926/AMO/62811
FullText URL 75_6_713.pdf
Author Aoyama, Tatsuro| Ogiwara, Toshihiro| Ito, Kiyoshi| Miyaoka, Yoshinari| Fujii, Yu| Hanaoka, Yoshiki| Hasegawa, Takatoshi| Watanabe, Gen| Seguchi, Tatsuya| Hongo, Kazuhiro|
Abstract The consistency of spinal meningiomas is important to consider when performing tumor removal surgery. This study evaluated the correlations between spinal meningioma consistency and both preoperative computed tomography (CT) values and histopathological subtypes. Fifteen consecutive patients who underwent surgical resection of spinal meningioma at our institution were identified, and preoperative CT values and the signal intensity of T2-weighted magnetic resonance images of the tumor were determined retrospectively. The consistency of the spinal meningioma was defined based on the ultrasonic surgical aspirator output during tumor debulking. Patients were assigned to 2 groups: a soft group (n=4) and a hard group (n=11). The T2 signal intensity was significantly higher in the soft group than in the hard group (p=0.001). While the CT values were considerably higher in the hard group, the difference was not significant (p=0.19). Regarding the histopathological subtypes, psammomatous meningioma exhibited significantly higher CT values than meningothelial meningioma (p=0.019); however, there was a higher frequency of hard tumors in meningothelial meningioma cases than in psammomatous meningioma cases. Although neither robust correlations between tumor consistency and CT values nor a relationship between tumor consistency and histopathological subtype has been established, these results might help with the perioperative manegement of spinal tumors.
Keywords calcification computed tomography psammoma body spinal meningioma
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 713
End Page 718
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955539
Web of Science KeyUT 000735297900007
NAID 120007180281
JaLCDOI 10.18926/AMO/62810
FullText URL 75_6_705.pdf
Author Iwata, Takehiro| Maruyama, Yuki| Kawada, Tatsushi| Sadahira, Takuya| Katayama, Satoshi| Takamoto, Atsushi| Sako, Tomoko| Wada, Koichiro| Edamura, Kohei| Kobayashi, Yasuyuki| Araki, Motoo| Watanabe, Masami| Watanabe, Toyohiko| Nasu, Yasutomo|
Abstract Optimal neoadjuvant hormone therapy (NHT) for reducing prostate cancer (PC) patients’ prostate volume pre-brachytherapy is controversial. We evaluated the differential impact of neoadjuvant gonadotropin-releasing hormone (GnRH) antagonist versus agonist on post-brachytherapy testosterone recovery in 112 patients treated pre-brachytherapy with NHT (GnRH antagonist, n=32; GnRH agonists, n=80) (Jan. 2007-June 2019). We assessed the effects of patient characteristics and a GnRH analogue on testosterone recovery with logistic regression and a propensity score analysis (PSA). There was no significant difference in the rate of testosterone recovery to normal levels (> 300 ng/dL) between the GnRH antagonist and agonists (p=0.07). The GnRH agonists induced a significantly more rapid testosterone recovery rate at 3 months post-brachytherapy versus the GnRH antagonist (p<0.0001); there was no difference in testosterone recovery at 12 months between the GnRH antagonist/agonists (p=0.8). In the multivariate analysis, no actor was associated with testosterone recovery. In the PSA, older age and higher body mass index (BMI) were significantly associated with longer testosterone recovery. Post-brachytherapy testosterone recovery was quicker with the neoadjuvant GnRH agonists than the antagonist, and the testosterone recovery rate was significantly associated with older age and higher BMI. Long-term follow-ups are needed to determine any differential effects of GnRH analogues on the quality of life of brachytherapy-treated PC patients.
Keywords testosterone recovery GnRH antagonist GnRH agonist brachytherapy prostate cancer
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 705
End Page 711
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955538
Web of Science KeyUT 000735297900006
NAID 120007180282
JaLCDOI 10.18926/AMO/62809
FullText URL 75_6_699.pdf
Author Kawano, Tetsuya| Miyakoshi, Naohisa| Tsuchie, Hiroyuki| Kashiwagura, Takeshi| Kobayashi, Moto| Aonuma, Hiroshi| Sugimura, Yusuke| Shimada, Yoichi|
Abstract Glucocorticoid-induced osteoporosis (GIOP) is one of the side effects associated with glucocorticoid (GC) therapy. In 2014, the Japanese Society for Bone and Mineral Research (JSBMR) provided new guidelines for the management and treatment of GIOP. The aim of the present study was to clarify the prevalence of patients with rheumatoid arthritis (RA) requiring treatment according to the new guidelines and to identify risk factors associated with lack of treatment in these patients. Patients in the 2018 Akita Orthopedic group on Rheumatoid Arthritis (AORA) database were enrolled. Of 2,234 patients with RA in the database, 683 (30.6%) met the 2014 JSBMR guideline treatment criteria, and 480 (70.3%) had been treated. The untreated group included a larger number of males, younger patients, and patients treated in clinics rather than hospital (p<0.001, p=0.015, and p<0.001, respectively). Multivariate analyses found that male sex, younger age, and clinic-based RA care were significant risk factors associated with lack of treatment (p<0.001, p=0.013, and p<0.001, respectively). Thus, male sex, younger age, and clinic-based care were identified as risk factors
Keywords glucocorticoid glucocorticoid-induced osteoporosis rheumatoid arthritis osteoporosis osteopenia
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 699
End Page 704
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955537
Web of Science KeyUT 000735297900005
NAID 120007180283
JaLCDOI 10.18926/AMO/62808
FullText URL 75_6_691.pdf
Author Kato, Yuji| Hayashi, Takeshi| Kato, Ritsushi| Uchino, Akira| Takao, Masaki| Takahashi, Shinichi|
Abstract Although diagnostic and therapeutic strategies for acute stroke patients in Japan depend largely on magnetic resonance imaging (MRI), patients with cardiac implantable electronic devices (CIED) must still rely on com-puted tomography (CT). We retrospectively analyzed clinical and neuroimaging data of ischemic stroke patients with CIED treated at our hospital. Forty-five patients were enrolled in the study. Patients were divided into two groups according to whether corresponding lesions were detected (group A, n = 21) or not detected (group B, n = 24) by the first brain CT. We also evaluated in detail the clinical courses of patients who arrived at hospital within therapeutic time windows for recanalization therapy. Negative fresh infarct in the first CT was associated, though not significantly, with early onset-to-arrival time and subcortical white matter infarction. Five patients did not undergo recanalization therapy because their families did not agree to the procedure. The reasons for their lack of consent included inadequate information about the safety and efficacy of recanalization therapy because MRI could not be performed. Our study confirmed delayed detection of the corresponding lesion and undertreatment for acute stroke in patients with CIED.
Keywords stroke cardiac implantable electronic device computed tomography magnetic resonance imaging
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 691
End Page 697
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955536
Web of Science KeyUT 000735297900004
NAID 120007180284
JaLCDOI 10.18926/AMO/62807
FullText URL 75_6_685.pdf
Author Yamashita, Mampei| Kuroki, Tamotsu| Hamada, Takashi| Hirayama, Takanori| Tokunaga, Takayuki| Yamanouchi, Kosho| Takeshita, Hiroaki| Maeda, Shigeto|
Abstract Magnetic resonance cholangiopancreatography (MRCP) is a non-invasive imaging technique that provides high-quality visualization of the biliary tree, including the gallbladder. This study aimed to evaluate the useful-ness of preoperative MRCP for acute cholecystitis in predicting technical difficulties during laparoscopic chole-cystectomy (LC). A total of 168 patients who underwent LC with preoperative MRCP were enrolled in this study. Patients were divided into two groups according to preoperative MRCP findings: the visualized group (n = 126), in which the entire gallbladder could be visualized; and the non-visualized group (n = 42), in which the entire gallbladder could not be visualized. The perioperative characteristics and postoperative complica-tions of the two groups were retrospectively analyzed. Operation time was longer in the non-visualized group (median 101.5 vs. 143.5 min; p < 0.001). The non-visualized group had significantly more intraoperative blood loss than the visualized group (median 5 vs. 10 g; p = 0.05). The rate of conversion to open cholecystectomy was significantly higher in the non-visualized group (1.6 vs. 9.5%; p = 0.03). In conclusion, patients in the non- visualized group showed higher difficulty in performance of LC. Our MRCP-based classification is a simple and effective means of predicting difficulties in performing LC for acute cholecystitis.
Keywords laparoscopic cholecystectomy magnetic resonance cholangiopancreatography acute cholecystitis gallbladder disease non-invasive imaging
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 685
End Page 689
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955535
Web of Science KeyUT 000735297900003
NAID 120007180285
JaLCDOI 10.18926/AMO/62806
FullText URL 75_6_677.pdf
Author Tani Kazumasa| Mitsui, Takashi| Mishima, Sakurako| Ohira, Akiko| Maki, Jota| Eto, Eriko| Hayata, Kei| Nakamura, Keiichiro| Masuyama, Hisashi|
Abstract Extravillous trophoblast (EVT) invasion is important for embryo implantation, placental development, and successful remodeling of the uterine spiral artery. Endocrine gland derived-vascular endothelial growth factor (EG-VEGF) and matrix metalloproteinases (MMPs) are implicated in EVT invasion; however, the high con-centrations found in pregnancy pathologies have not been investigated in non-tumor trophoblasts. The roles of EG-VEGF, prokineticin receptors (PROKR1/2), MMP-2, and MMP-9 in EVT invasion during spiral artery remodeling were evaluated using human EVT from HTR-8/SVneo cell lines. The expression of MMP-2, MMP-9, and mitogen-activated protein kinase (MAPK), and Akt pathways in HTR-8/SVneo cells treated with recom-binant EG-VEGF alongside anti-PROKR1 and/or anti-PROKR2 antibodies was evaluated using quantitative reverse transcription-PCR and western blotting. Wound-healing and cell invasion assays were performed to assess the migration and invasion of these treated cells. Interestingly, 20 nM EG-VEGF activated ERK1/2 sig-naling and upregulated MMP-2 and MMP-9. This effect was suppressed by anti-PROKR2 antibody via ERK1/2 downregulation. Anti-PROKR2 antibody inhibited the migration and invasion of EG-VEGF-stimulated HTR-8/SVneo cells. Elevated concentrations of EG-VEGF enhance EVT invasion in a human trophoblast cell line by upregulating MMP-2 and MMP-9 via PROKR2. These new insights into the regulation of epithelial cell invasion may help in developing therapeutic interventions for placental-related diseases during pregnancy.
Keywords endocrine gland-derived vascular endothelial growth factor prokineticin extravillous trophoblast matrix metalloproteinase obstetric diseases
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 677
End Page 684
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955534
Web of Science KeyUT 000735297900002
NAID 120007180286
JaLCDOI 10.18926/AMO/62805
FullText URL 75_6_671.pdf
Author Gao, Shangze| Nishibori, Masahiro|
Abstract Histidine-rich glycoprotein (HRG) is a 75 kDa plasma protein that is synthesized in the liver of many verte-brates and present in their plasma at relatively high concentrations of 100-150 μg/mL. HRG is an abundant and well-characterized protein having a multidomain structure that enable it to interact with many ligands, func-tion as an adaptor molecule, and participate in numerous physiological and pathological processes. As a plasma protein, HRG has been reported to regulate vascular biology, including coagulation, fibrinolysis and angiogenesis, through its binding with several ligands (heparin, FXII, fibrinogen, thrombospondin, and plas-minogen) and interaction with many types of cells (endothelial cells, erythrocytes, neutrophils and platelets). This review aims to summarize the roles of HRG in maintaining vascular homeostasis and regulating angiogen-esis in various pathological conditions.
Keywords histidine-rich glycoprotein vascular biology coagulation angiogenesis
Amo Type Review
Publication Title Acta Medica Okayama
Published Date 2021-12
Volume volume75
Issue issue6
Publisher Okayama University Medical School
Start Page 671
End Page 675
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 34955533
Web of Science KeyUT 000735297900001
NAID 120007180287