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https://www.readbyqxmd.com/read/29351905/cancer-treatment-in-childhood-and-testicular-function-the-role-of-the-somatic-environment
#1
Jan-Bernd Stukenborg, Kirsi Jahnukainen, Marsida Hutka, Rod T Mitchell
Testicular function and future fertility may be affected by cancer treatment during childhood. Whilst survival of the germ (stem) cells is critical for ensuring the potential for fertility in these patients, the somatic cell populations also play a crucial role in providing a suitable environment to support germ cell maintenance and subsequent development. Regulation of the spermatogonial stem cell niche involves many signaling pathways with hormonal influence from the hypothalamo-pituitary-gonadal axis. In this review, we describe the somatic cell populations that comprise the testicular germ stem cell niche in human and how they may be affected by cancer treatment during childhood...
January 19, 2018: Endocrine Connections
https://www.readbyqxmd.com/read/29351804/a-metastasized-hepatocellular-carcinoma-in-the-capsule-of-an-undescended-testis-in-the-right-inguinal-area-report-of-a-rare-case
#2
Qianhui Li, Xiuying Shi, Chuifeng Fan
BACKGROUND: Hepatocellular Carcinoma (HCC) is the most common primary carcinoma of the liver, which mainly metastasizes through the portal vein system. CASE PRESENTATION: Here, we report an extremely rare case in which HCC metastasized to the capsule of an undescended testis in the right inguinal area of the patient. A tumor approximately 8.8 × 7.0 cm in size was found in the patient's liver during a health check-up. Initially, it was considered a metastatic tumor because the patient was found to have cryptorchidism, which had been left untreated before he presented to our hospital...
January 19, 2018: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29344208/serum-levels-of-anti-sperm-associated-antigen-9-antibody-are-elevated-in-patients-with-hepatocellular-carcinoma
#3
Biqiong Ren, Guoying Zou, Fei Xu, Yiran Huang, Guofeng Xu, Junyu He, Yong Li, Haowen Zhu, Ping Yu
At present, there is a high incidence of viral hepatitis and high mortality rates due to hepatocellular carcinoma (HCC) in China. In the current study, the quantification of antibodies against the cancer-testis antigen sperm-associated antigen 9 (SPAG9), alone and combined with α-fetoprotein (AFP), were evaluated as biomarkers for the diagnosis of HCC. The levels of anti-SPAG9 antibody and AFP were quantified in serum samples from patients with HCC and hepatitis or cirrhosis, as well as healthy volunteers...
December 2017: Oncology Letters
https://www.readbyqxmd.com/read/29336917/changing-practice-evaluation-stage-1-seminoma-outcomes-with-adjuvant-treatment-versus-surveillance-risk-factors-for-recurrence-and-optimizing-follow-up-protocols-experience-from-a-supraregional-center
#4
Helen E J Tyrrell, David N Church, Johnson Joseph, Zoe C Traill, Mark E Sullivan, Mark H Tuthill, Clare L Verrill, Elias P Pintus, Nicola L Dallas, Paul B Rogers, Jacqueline Redgwell, Andrew S Protheroe
BACKGROUND: Stage 1 seminoma is frequently cured by radical orchiectomy; however, the management strategies after this diagnosis vary in terms of the use of adjuvant treatment and the nature of the follow-up protocols. We analyzed stage 1 seminomas treated in the Thames Valley Cancer Network for outcomes to determine whether any factors are predictive of recurrence. We also studied relapses to determine the optimal follow-up schedule and protocol. MATERIALS AND METHODS: Data were obtained from centers within the Thames Valley Cancer Network for a 12-year period from 2004 to 2016...
December 11, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/29334543/seminoma-metastatic-to-the-orbit
#5
Jonathan J Dutton, Alan D Proia
PURPOSE: Seminomas are solid tumors in young men, but which rarely metastasize to the orbit. The authors review the known literature on seminoma metastatic to the orbit, and describe an additional case in a 33-year-old man. METHODS: A literature search was performed on the MEDLINE database using keywords "seminoma," "testicular germ-cell tumors," "testicular cancer," "testicular neoplasm," "orbital metastasis," and "germ-cell neoplasms." RESULTS: Malignant neoplasms of the testis account for only 1% of cancers in men...
January 12, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29333356/metachronous-testicular-cancer-after-orchiectomy-a-rare-case
#6
Ersan Arda, Basri Cakiroglu, Gizem Cetin, Ilkan Yuksel
Testicular cancer represents approximately 1% of all cancers diagnosed in males. The prevalence of bilateral testicular germ cell tumor cases varies from 1% to 5%. Intratubular germ cell neoplasia (ITGCN) is a precursor for almost all testicular germ cell tumors (TGCT) and is one of the highest risks of developing contralateral testicular cancer. The radical orchiectomy is still preferred for the treatment of testicular cancer. However, in some cases like solitary testis, bilateral cancer or if the tumor size is under 30% percent of the testicular extent, organ-sparing surgery can be an option...
November 9, 2017: Curēus
https://www.readbyqxmd.com/read/29325584/adenomatoid-tumor-of-the-testis-mimicking-malignant-testicular-cancer-on-multiparametric-ultrasound
#7
Renate Pichler, Gennadi Tulchiner, Fabian Steinkohl, Afschin Soleiman, Wolfgang Horninger, Isabel Maria Heidegger, Friedrich Aigner
BACKGROUND: Adenomatoid tumor is one of the most common histological subtypes of paratesticular cancer arising from the epididymis. In very rare cases, these tumors appear as intratesticular lesions originating in the tunica albuginea, representing a diagnostic challenge. CASE PRESENTATION: We present a case of a 51-year-old man with a small (0.9 cm) hyperechoic lesion of the left testicle mimicking testicular cancer on multiparametric ultrasound. The lesion was localized in the peripheral zone, confirming vascularization and increased stiffness on contrast-enhanced ultrasound and real-time elastography...
January 11, 2018: European Journal of Medical Research
https://www.readbyqxmd.com/read/29311018/melanoma-associated-antigen-a11-reduces-erlotinib-and-afatinib-efficacy-in-head-and-neck-cancer
#8
Stefan Hartmann, Leonie Zwick, Katja Maurus, Andreas R Fuchs, Roman C Brands, Axel Seher, Alexander C Kübler, Urs D A Müller-Richter
Melanoma-associated antigen A (MAGE-A) proteins are members of the cancer/testis antigens (CTA), and the expression of these proteins is almost exclusively limited to malignant cells, making them an attractive treatment target. MAGE-A expression is correlated with poor overall survival in several cancers, including head and neck squamous cell carcinoma (HNSCC). Among others, MAGE-A11 was found to be associated with resistance to different antineoplastic and targeted compounds, such as epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs)...
December 24, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29309804/experimental-models-of-testicular-development-and-function-using-human-tissue-and-cells
#9
REVIEW
Melissa Tharmalingam, Anne Jorgensen, Rod T Mitchell
The mammalian testis has two main roles, production of gametes for reproduction and synthesis of steroid- and peptide hormones for masculinization. These processes are tightly regulated and involve complex interactions between a number of germ and somatic cell-types that comprise a unique microenvironment known as the germ stem cell niche. In humans, failure of normal testicular development or function is associated with susceptibility to a variety of male reproductive disorders including disorders of sex development, infertility and testicular cancer...
January 5, 2018: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/29309588/transmembrane-bax-inhibitor-motif-6-tmbim6-protects-against-cisplatin-induced-testicular-toxicity
#10
Hyun-Kyoung Kim, Raj Kumar Yadav, Kashi Raj Bhattarai, Han-Wool Jung, Hyung-Ryong Kim, Han-Jung Chae
STUDY QUESTION: Is the Transmembrane BAX Inhibitor Motif-6 (TMBIM6) involved in the molecular mechanism by which cisplatin causes reproductive toxicity? SUMMARY ANSWER: TMBIM6 protects against cisplatin-induced testicular toxicity through up-regulation of heme oxygenase-1 (HO-1),-which maintains the levels of steroidogenic enzymes by decreaseing oxidative stress in the endoplasmic reticulum (ER). WHAT IS KNOWN ALREADY: Testosterone production is highly suppressed as a main complication of cisplatin (cis-diamminedichloroplatinum) anticancer therapy...
January 4, 2018: Human Reproduction
https://www.readbyqxmd.com/read/29309304/the-significance-of-spermatic-cord-involvement-by-testicular-germ-cell-tumors-should-we-be-staging-discontinuous-invasion-from-involved-lymphovascular-spaces-differently-from-direct-extension
#11
Joseph M Sanfrancesco, Karen E Trevino, Huiping Xu, Thomas M Ulbright, Muhammad T Idrees
The recent 8th edition of the American Joint Committee on Cancer (AJCC) staging manual had multiple changes concerning how pathologists should stage germ cell tumors (GCTs) of the testis. A significant one concerns the impact of different types of spermatic cord involvement, specifically direct tumor extension versus discontinuous involvement by invasion through lymphovascular spaces. We compared clinicopathologic findings and outcome data between 2 cohorts with these findings to evaluate the validity of the change in the AJCC 8th edition manual...
January 5, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29308394/forecasting-the-incidence-of-testis-cancer-in-europe-from-2012-2035
#12
Ali Asghar Valipour, Mahdi Mohammadian, Abdollah Mohammadian-Hafshejani, Sarah Islamie Farsani
No abstract text is available yet for this article.
October 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/29298512/protective-effect-of-safflower-seed-on-cisplatin-induced-renal-damage-in-mice-via-oxidative-stress-and-apoptosis-mediated-pathways
#13
Chan Hum Park, Ah Young Lee, Ji Hyun Kim, Su Hui Seong, Gwi Yeong Jang, Eun Ju Cho, Jae Sue Choi, Jungkee Kwon, Young Ock Kim, Sang Won Lee, Takako Yokozawa, Yu Su Shin
Cisplatin, a platinum chelate with potent antitumor activity against cancers of the testis, ovary, urinary bladder, prostate, and head and neck, has adverse effects on the kidney, bone marrow, and digestive organs, and its use is particularly limited by nephropathy as a side effect. In the present study, safflower seed extract was administered to a mouse model of cisplatin-induced acute renal failure to investigate its activity. Cisplatin (20[Formula: see text]mg/kg body weight) was administered by intraperitoneal injection to mice that had received oral safflower seed extract (100 or 200[Formula: see text]mg/kg body weight per day) for the preceding 2 days...
January 3, 2018: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29290656/early-gastric-cancer-frequently-has-high-expression-of-kk-lc-1-a-cancer-testis-antigen
#14
Nobue Futawatari, Takashi Fukuyama, Rui Yamamura, Akiko Shida, Yoshihito Takahashi, Yatsushi Nishi, Yoshinobu Ichiki, Noritada Kobayashi, Hitoshi Yamazaki, Masahiko Watanabe
AIM: To assess cancer-testis antigens (CTAs) expression in gastric cancer patients and examined their associations with clinicopathological factors. METHODS: Eighty-three gastric cancer patients were evaluated in this study. Gastric cancer specimens were evaluated for the gene expression of CTAs, Kitakyushu lung cancer antigen-1 (KK-LC-1), melanoma antigen (MAGE)-A1, MAGE-A3 and New York esophageal cancer-1 (NY-ESO-1), by reverse transcription PCR. Clinicopathological background information, such as gender, age, tumor size, macroscopic type, tumor histology, depth of invasion, lymph node metastasis, lymphatic invasion, venous invasion, and pathological stage, was obtained...
December 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29284705/immunotherapy-of-mds-you-can-run-but-you-can-t-hide
#15
Ephraim J Fuchs
The hypomethylating agent decitabine induces expression of the cancer testis antigen NY-ESO-1 in the myeloid cells of patients with myelodysplastic syndrome (MDS).  MDS patients treated with decitabine and an NY-ESO-1 vaccine developed NY-ESO-1-specific T cell responses directed against their abnormal myeloid cells, raising hopes for combinatorial immunotherapy of this disease.
December 28, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29282838/the-inositol-pyrophosphate-pathway-in-health-and-diseases
#16
Anutosh Chakraborty
Inositol pyrophosphates (IPPs) are present in organisms ranging from plants, slime moulds and fungi to mammals. Distinct classes of kinases generate different forms of energetic diphosphate-containing IPPs from inositol phosphates (IPs). Conversely, polyphosphate phosphohydrolase enzymes dephosphorylate IPPs to regenerate the respective IPs. IPPs and/or their metabolizing enzymes regulate various cell biological processes by modulating many proteins via diverse mechanisms. In the last decade, extensive research has been conducted in mammalian systems, particularly in knockout mouse models of relevant enzymes...
December 27, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/29282691/progress-in-vaccine-therapies-for-breast-cancer
#17
Xiaoyu Li, Xia Bu
Therapeutic cancer vaccines aim to treat pre-existing cancer by boosting the patient's own immune system, which is an attractive strategy for cancer treatment. The cancer vaccines have mainly been designed to elicit antitumor T-cell immune responses that recognize and eradicate cancer. The advantages of cancer immunotherapy with cancer vaccines include a) high specificity of tumor antigen, b) minimal vaccine-related adverse events, and c) long-lasting immunity boosted by cancer vaccine which is important to control tumor relapse...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29280411/the-potential-of-the-cmb305-vaccine-regimen-to-target-ny-eso-1-and-improve-outcomes-for-synovial-sarcoma-and-myxoid-round-cell-liposarcoma-patients
#18
Seth M Pollack
Synovial Sarcoma (SS) and Myxoid Round Cell Liposarcoma (MRCL) are devastating sarcoma subtypes with few treatment options and poor outcomes in the advanced setting. However, both these diseases may be ideal for novel immunotherapies targeting the cancer-testis antigen, NY-ESO-1. Areas covered: In this review, we discuss the novel NY-ESO-1 targeted vaccine regimen, CMB305. This regimen uses a unique integration-deficient, dendritic-cell targeting lentiviral vector from the ZVex® platform, LV305, in order to prime NY-ESO-1 specific T cells...
December 27, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/29259956/the-future-prospects-of-testis-cancer-in-the-world
#19
Mahin Ghafari, Mahdi Mohammadian, Ali Asghar Valipour, Abdollah Mohammadian-Hafshejani
No abstract text is available yet for this article.
December 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/29250030/cytokines-in-male-fertility-and-reproductive-pathologies-immunoregulation-and-beyond
#20
REVIEW
Kate L Loveland, Britta Klein, Dana Pueschl, Sivanjah Indumathy, Martin Bergmann, Bruce E Loveland, Mark P Hedger, Hans-Christian Schuppe
Germline development in vivo is dependent on the environment formed by somatic cells and the differentiation cues they provide; hence, the impact of local factors is highly relevant to the production of sperm. Knowledge of how somatic and germline cells interact is central to achieving biomedical goals relating to restoring, preserving or restricting fertility in humans. This review discusses the growing understanding of how cytokines contribute to testicular function and maintenance of male reproductive health, and to the pathologies associated with their abnormal activity in this organ...
2017: Frontiers in Endocrinology
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