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Article ; Online: Xenopus Heterochronic Presumptive Primordial Germ Cells (pPGCs) Implanted in the Correct Position in Host Neurula Embryos can Differentiate into PGCs: (Xenopus laevis, PGCs/heterochronic presumptive PGCs/explant/germ plasm-bearing cells).

Ikenishi, Kohji / Tanaka, Tetsuya S

2023 Volume 35, Issue 4, Page(s) 439–445

Abstract: Presumptive primordial germ cells (pPGCs) in explants, derived from single germ plasm-bearing cells of Xenopus 32-cell embryos, at the equivalent of neurula stage (stage 20) in control embryos (designated as 'stage-20' explants) were demonstrated to be ... ...

Abstract	Presumptive primordial germ cells (pPGCs) in explants, derived from single germ plasm-bearing cells of Xenopus 32-cell embryos, at the equivalent of neurula stage (stage 20) in control embryos (designated as 'stage-20' explants) were demonstrated to be able to differentiate into PGCs, when implanted into a prospective place of pPGCs in host embryos (stage 20) (Ikenishi & Tsuzaki, 1988). According to a recent proposal that individual early embryonic cells in Xenopus, at both in vivo and in vitro, are able to measure elapsed time since fertilization (Cooke and Smith, 1990), the result means that the implanted pPGCs having the same elapsed time as the host embryos (isochronic pPGCs) could differentiate into PGCs. In the present study, in order to know whether the compatibility in elapsed times of implanted pPGCs and host embryos is necessary for the differentiation of PGCs, labelled, heterochronic pPGCs in 'stages 12-33/34' explants were implanted into unlabelled, host neurulae (stage 19). Those heterochronic pPGCs could differentiate into PGCs like isochronic pPGCs in 'stage-19' explants as the control. By comparing the average diameters and yolk contents of labelled PGCs with those of unlabelled, host ones in experimental tadpoles, the possibility that a certain mechanism modulating the elapsed time of heterochronic pPGCs to that of host pPGCs is present in host embryos was also suggested.
Language	English
Publishing date	2023-06-06
Publishing country	Japan
Document type	Journal Article
ZDB-ID	280433-5
ISSN	1440-169X ; 0012-1592
ISSN (online)	1440-169X
ISSN	0012-1592
DOI	10.1111/j.1440-169X.1993.00439.x
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Article ; Online: Molecular detection and characterization of

Mahmoud, Hassan Y A H / Rady, Abdelrahman A / Tanaka, Tetsuya

Parasite epidemiology and control

2024 Volume 25, Page(s) e00340

Abstract: Tick-borne diseases have a major adverse effect on livestock worldwide, causing enormous economic losses in meat and milk production as well threatening animal and public health. In this study, we aimed to detect and characterize piroplasms isolated from ...

Abstract	Tick-borne diseases have a major adverse effect on livestock worldwide, causing enormous economic losses in meat and milk production as well threatening animal and public health. In this study, we aimed to detect and characterize piroplasms isolated from cattle and buffalo in southern Egypt, using molecular techniques. Three hundred blood samples were collected from cattle and buffalo in two governorates in southern Egypt. All 300 samples (100%) were confirmed to contain DNA, as they exhibited bands of bovine
Language	English
Publishing date	2024-02-01
Publishing country	Netherlands
Document type	Journal Article
ISSN	2405-6731
ISSN (online)	2405-6731
DOI	10.1016/j.parepi.2024.e00340
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Article: Anaphylactic Shock Due to Technetium (99mTc)-Tetrofosmin During Myocardial Perfusion Scintigraphy: A Case Report.

Hashimoto, Sho / Tanaka, Tetsuya / Shimoda, Yoshiaki / Tanaka, Mariko / Kondo, Morihiko

Cureus

2024 Volume 16, Issue 1, Page(s) e52644

Abstract: Myocardial perfusion scintigraphy is a popular minimally invasive method for evaluating chronic coronary disease (CCD). We performed myocardial scintigraphy to assess CCD in a 74-year-old man with a history of allergy to contrast media. The patient ... ...

Abstract	Myocardial perfusion scintigraphy is a popular minimally invasive method for evaluating chronic coronary disease (CCD). We performed myocardial scintigraphy to assess CCD in a 74-year-old man with a history of allergy to contrast media. The patient developed anaphylactic shock immediately after the administration of the technetium (
Language	English
Publishing date	2024-01-20
Publishing country	United States
Document type	Case Reports
ZDB-ID	2747273-5
ISSN	2168-8184
ISSN	2168-8184
DOI	10.7759/cureus.52644
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Article: Molecular detection and characterization of

Mahmoud, Hassan Y A H / Ali, Alsagher O / Tanaka, Tetsuya

Frontiers in veterinary science

2023 Volume 10, Page(s) 1169323

Abstract: Anaplasmosis is a severe tickborne disease of ruminants caused ... ...

Abstract	Anaplasmosis is a severe tickborne disease of ruminants caused by
Language	English
Publishing date	2023-05-11
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2834243-4
ISSN	2297-1769
ISSN	2297-1769
DOI	10.3389/fvets.2023.1169323
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Article ; Online: Characterization and localization of tropomyosin proteins in Xenopus embryos with specific antibodies.

Tanaka, Tetsuya S / Tatsuta, Takashi / Ikenishi, Kohji

Development, growth & differentiation

2023 Volume 37, Issue 1, Page(s) 111–122

Abstract: In the process of monoclonal antibody (mAb) production against the 38kDa protein which is lacking in the gastrula arrested mutant embryos in Xenopus we incidentally obtained two kinds of mAb (designated as B11 and 2D10 antibodies, respectively) ... ...

Abstract	In the process of monoclonal antibody (mAb) production against the 38kDa protein which is lacking in the gastrula arrested mutant embryos in Xenopus we incidentally obtained two kinds of mAb (designated as B11 and 2D10 antibodies, respectively) recognizing tropomyosin (TM) proteins in Xenopus embryos. The characterization of the corresponding antigens to those mAb was performed by immunoblotting and silver staining for two-dimensional (2-D) gels in the present study. The localization of the antigens in Xenopus embryos was also investigated by fluorescent microscopy. By 2-D immunoblots with those mAb, three distinct protein spots or TM isoforms were recognized in Xenopus embryos; a 38 kDa spot with a pl of approximately 4.8 reacted with both antibodies in embryos at stages later than the mid-tailbud (stage 28) and two 30 kDa spots, which are probably isomers, with a pl of approximately 4.8 were detected with 2D10 antibody in embryos at stages extending from the fertilized to the mid-neurula (stage 20). By immunofluorescent microscopy, B11 antibody was shown to react mainly with muscle cells and their precursor cells. In contrast, 2D10 antibody stained the cytoplasm of almost all cells in embryos at stages from the fertilized to the tadpole. Judging from the results obtained with immunoblotting and fluorescent microscopy, it is likely that the 38 kDa spot is a skeletal muscle TM isoform and the two 30 kDa spots are non-muscle TM isoforms.
Language	English
Publishing date	2023-06-06
Publishing country	Japan
Document type	Journal Article
ZDB-ID	280433-5
ISSN	1440-169X ; 0012-1592
ISSN (online)	1440-169X
ISSN	0012-1592
DOI	10.1046/j.1440-169X.1995.00013.x
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Zs.A 194: Show issues

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Article ; Online: INDUCTIVE CAPACITIES OF GLOMERULAR BASEMENT MEMBRANES AND DENTINE MATRIX.

Tanaka, Tetsuya / Noda, Shinichi / Kawakami, Izumi / Sato, Atsuko

Development, growth & differentiation

2023 Volume 18, Issue 3, Page(s) 267–272

Abstract: The inductive capacities of the basement membranes of calf kidney glomeruli and the dentine matrix of the incisors of 23-day rabbit fetuses were examined on the presumptive ectoderm of Triturus gastrulae. The basement membranes caused almost entirely ... ...

Abstract	The inductive capacities of the basement membranes of calf kidney glomeruli and the dentine matrix of the incisors of 23-day rabbit fetuses were examined on the presumptive ectoderm of Triturus gastrulae. The basement membranes caused almost entirely neural induction and the dentine matrix caused mesodermal induction. These findings suggest that intercellular substances play an important role in the inductive effects of heterologous tissues.
Language	English
Publishing date	2023-06-06
Publishing country	Japan
Document type	Journal Article
ZDB-ID	280433-5
ISSN	1440-169X ; 0012-1592
ISSN (online)	1440-169X
ISSN	0012-1592
DOI	10.1111/j.1440-169X.1976.00267.x
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Zs.A 194: Show issues

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Article ; Online: Spatio-temporal distribution of the protein of Xenopus vasa homologue (Xenopus vasa-like gene 1, XVLG1) in embryos.

Ikenishi, Kohji / Tanaka, Tetsuya S / Komiya, Tohru

Development, growth & differentiation

2023 Volume 38, Issue 5, Page(s) 527–535

Abstract: In order to know when the protein of Xenopus vasa homolog (Xenopus vasa-like gene 1, XVLG1) first appears in germ line cells and whether the protein is also present in somatic cells as is vasa protein in Drosophila, the spatio-temporal distribution of ... ...

Abstract	In order to know when the protein of Xenopus vasa homolog (Xenopus vasa-like gene 1, XVLG1) first appears in germ line cells and whether the protein is also present in somatic cells as is vasa protein in Drosophila, the spatio-temporal distribution of the protein in Xenopus embryos was carefully investigated by fluorescent microscopy. Part of the observation was performed by whole-mount immunocytochemistry and immunoblotting. A distinct fluorescence of XVLG1 protein was first recognized in a juxta-nuclear location of germ line cells or presumptive primordial germ cells (pPGC) at stage 12 (late gastrula) and remained associated with the pPGC or primordial germ cells (PGC) throughout the following stages until stage 46 (feeding tadpole). In contrast, weak fluorescence was seen in the animal hemisphere rather than in the vegetal hemisphere of cleaving embryos and in the perinuclear region of somatic cells at stages 10-42 (early gastrula to young tadpole), respectively. Nearly the same pattern as revealed by fluorescence was seen by whole-mount immunocytochemistry, except that a small amount of XVLG1 protein seemed to be present in the germ plasm and pPGC of embryos earlier than stage 12. The presence of the protein in the somatic cells and the PGC was also shown by immunoblotting.
Language	English
Publishing date	2023-06-06
Publishing country	Japan
Document type	Journal Article
ZDB-ID	280433-5
ISSN	1440-169X ; 0012-1592
ISSN (online)	1440-169X
ISSN	0012-1592
DOI	10.1046/j.1440-169X.1996.t01-4-00009.x
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Article: [Two Cases of Aortitis Caused by Pegfilgrastim Administered during Chemotherapy for Breast Cancer].

Yoshimura, Atsushi / Tanaka, Tetsuya / Nishiwada, Satoshi / Kirihataya, Yuki / Hara, Chisato / Yokotani, Tomoyo

Gan to kagaku ryoho. Cancer & chemotherapy

2024 Volume 50, Issue 13, Page(s) 1750–1752

Abstract: Granulocyte colony-stimulating factor(G-CSF)is known to cause bone pain, headache, and fatigue as side effects. We experienced 2 cases of aortitis caused by pegfilgrastim(PEG-G)administration. Case 1: A 50s woman with breast cancer started FEC therapy ... ...

Abstract	Granulocyte colony-stimulating factor(G-CSF)is known to cause bone pain, headache, and fatigue as side effects. We experienced 2 cases of aortitis caused by pegfilgrastim(PEG-G)administration. Case 1: A 50s woman with breast cancer started FEC therapy with PEG-G as neoadjuvant chemotherapy. She developed a fever in the 38℃ range, and chest CT showed wall thickening in the aortic arch. She was diagnosed with aortitis and administration of prednisolone was started, and the fever resolved and the general condition improved dramatically. Case 2: A 70s woman was started TC therapy with PEG-G as adjuvant chemotherapy after surgery. Fever, anorexia, and epigastralgia appeared. A CT scan of the abdomen revealed thickening of the abdominal aortic wall from the thoracoabdominal transition area to the renal artery bifurcation. She was diagnosed with PEG-G-induced aortitis, and administration of prednisolone was started. The fever resolved and the pain disappeared. Although the symptoms of G-CSF-induced aortitis are nonspecific, it is relatively easy to diagnose by CT and should be considered when a fever develops after G-CSF administration.
MeSH term(s)	Female ; Humans ; Aortitis/chemically induced ; Breast Neoplasms/drug therapy ; Breast Neoplasms/surgery ; Fever ; Filgrastim/adverse effects ; Granulocyte Colony-Stimulating Factor/therapeutic use ; Pain/drug therapy ; Polyethylene Glycols/adverse effects ; Prednisolone/therapeutic use ; Aged ; Middle Aged
Chemical Substances	Filgrastim (PVI5M0M1GW) ; Granulocyte Colony-Stimulating Factor (143011-72-7) ; pegfilgrastim (3A58010674) ; Polyethylene Glycols (3WJQ0SDW1A) ; Prednisolone (9PHQ9Y1OLM)
Language	Japanese
Publishing date	2024-02-01
Publishing country	Japan
Document type	Case Reports ; English Abstract ; Journal Article
ZDB-ID	604842-0
ISSN	0385-0684
ISSN	0385-0684
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Zs.B 2573: Show issues

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Article ; Online: Molecular detection and diversity of tick-borne rickettsial pathogens in ticks collected from camel (Camelus dromedarius) in Upper Egypt.

Soliman, Ahmed M / Mahmoud, Hassan Y A H / Amer, Moaz M / Hifumi, Tatsuro / Tanaka, Tetsuya

Acta tropica

2024 Volume 253, Page(s) 107172

Abstract: Tick-borne rickettsial pathogens pose significant threats to public and animal health. In Upper Egypt, limited information exists regarding the prevalence and diversity of such tick-borne pathogens. Therefore, this study aimed to conduct a comprehensive ... ...

Abstract	Tick-borne rickettsial pathogens pose significant threats to public and animal health. In Upper Egypt, limited information exists regarding the prevalence and diversity of such tick-borne pathogens. Therefore, this study aimed to conduct a comprehensive investigation to elucidate the presence and variety of tick-borne rickettsial pathogens in Upper Egyptian camels. Our results revealed a prevalence of 2.96 % for Anaplasma marginale and 0.34 % for Candidatus Anaplasma camelii among Hyalomma ticks. However, Ehrlichia spp. weren't detected in our study. The identification of Ca. A. camelii in H. dromedari ticks was documented for the first time, suggesting a potential mode of transmission in camels. Notably, this study marks the first documentation of Rickettsia aeschlimannii with a prevalence of 6.06 % in the study area. Furthermore, we detected Coxiella burnetii in a prevalence of 8.08 % in Hyalomma ticks, indicating a potential risk of Q fever transmission. Molecular techniques results were confirmed by sequencing and phylogenetic analysis and provided valuable insights into the epidemiology of these pathogens, revealing their diversity. This study is vital in understanding tick-borne rickettsial pathogens' prevalence, distribution, and transmission dynamics in Upper Egypt. In conclusion, our findings emphasize the importance of continued research to enhance our understanding of the epidemiology and impact of these pathogens on both animal and human populations.
MeSH term(s)	Animals ; Humans ; Ticks/microbiology ; Camelus/microbiology ; Egypt/epidemiology ; Phylogeny ; Rickettsia/genetics ; Ehrlichia ; Ixodidae/microbiology ; Tick-Borne Diseases/epidemiology
Language	English
Publishing date	2024-03-05
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	210415-5
ISSN	1873-6254 ; 0001-706X
ISSN (online)	1873-6254
ISSN	0001-706X
DOI	10.1016/j.actatropica.2024.107172
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Article: Acute cholecystitis with sepsis due to Edwardsiella tarda: a case report.

Hara, Chisato / Tanaka, Tetsuya / Nishiwada, Satoshi / Kirihataya, Yuki / Yoshimura, Atsushi

Surgical case reports

2023 Volume 9, Issue 1, Page(s) 184

Abstract: Background: Edwardsiella tarda (E. tarda) is a Gram-negative facultative anaerobe belonging to Enterobacteriales and is commonly isolated from fishes and reptiles. Infection due to E. tarda is uncommon among humans, with a reported human retention rate ... ...

Abstract	Background: Edwardsiella tarda (E. tarda) is a Gram-negative facultative anaerobe belonging to Enterobacteriales and is commonly isolated from fishes and reptiles. Infection due to E. tarda is uncommon among humans, with a reported human retention rate of 0.001%. It can cause sepsis in the elderly or those with pre-existing conditions such as liver failure, autoimmune disease, or malignancy. E. tarda is susceptible to many antibiotics; however, a high mortality rate (approximately 40%) has been reported with sepsis. Case presentation: A 65-year-old woman presented to our hospital with a chief complaint of fever and abdominal pain for 2 days. Her blood tests showed elevated inflammatory markers, and contrast-enhanced computed tomography showed distention and wall thickening of the gallbladder and inflammation of peri-gallbladder fat. Subsequently, a diagnosis of cholecystitis with systemic inflammatory response syndrome was made. Laparoscopic cholecystectomy was performed after starting antimicrobial therapy. Blood culture of samples obtained on admission were positive for E. tarda, which was also detected in bile juice culture. Therefore, she was diagnosed with bacteremia caused by E. tarda, and postoperative antimicrobial therapy was continued. The patient improved, and there were no complications. Conclusions: We experienced an extremely rare case of acute cholecystitis caused by E. tarda. Only a few cases of acute cholecystitis due to E. tarda have been reported. Furthermore, similar to this case, no previous study has reported the detection of E. tarda in both blood and bile cultures in acute cholecystitis cases. In addition to appropriate surgical intervention, continuous administration of antibiotics based on culture results resulted in a favorable outcome.
Language	English
Publishing date	2023-10-24
Publishing country	Germany
Document type	Journal Article
ZDB-ID	2809613-7
ISSN	2198-7793
ISSN	2198-7793
DOI	10.1186/s40792-023-01763-z
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