References: Hair growth and hair loss
J Clin Oncol. 2002 Dec 15;20(24):4628-35.
Goserelin versus cyclophosphamide, methotrexate, and fluorouracil as adjuvant therapy in premenopausal patients with node-positive breast cancer: The Zoladex Early Breast Cancer Research Association Study.
Jonat W, Kaufmann M, Sauerbrei W, Blamey R, Cuzick J, Namer M, Fogelman I, de Haes JC, de Matteis A, Stewart A, Eiermann W, Szakolczai I, Palmer M, Schumacher M, Geberth M, Lisboa B; Zoladex Early Breast Cancer Research Association Study.
Klinik fur Gynakologie und Gerburtshilfe, University of Kiel, Germany. jonat
email.uni-kiel.de
PURPOSE: Current adjuvant therapies have improved survival for premenopausal patients with breast cancer but may have short-term toxic effects and long-term effects associated with premature menopause. PATIENTS AND METHODS: The Zoladex Early Breast Cancer Research Association study assessed the efficacy and tolerability of goserelin (3.6 mg every 28 days for 2 years; n = 817) versus cyclophosphamide, methotrexate, and fluorouracil (CMF) chemotherapy (six 28-day cycles; n = 823) for adjuvant treatment in premenopausal patients with node-positive breast cancer. RESULTS: Analysis was performed when 684 events had been achieved, and the median follow-up was 6 years. A significant interaction between treatment and estrogen receptor (ER) status was found (P =.0016). In ER-positive patients (approximately 74%), goserelin was equivalent to CMF for disease-free survival (DFS) (hazard ratio [HR], 1.01; 95% confidence interval [CI], 0.84 to 1.20). In ER-negative patients, goserelin was inferior to CMF for DFS (HR, 1.76; 95% CI, 1.27 to 2.44). Amenorrhea occurred in more than 95% of goserelin patients by 6 months versus 58.6% of CMF patients. Menses returned in most goserelin patients after therapy stopped, whereas amenorrhea was generally permanent in CMF patients (22.6% v 76.9% amenorrheic at 3 years). Chemotherapy-related side effects such as nausea/vomiting, alopecia, and infection were higher with CMF than with goserelin during CMF treatment. Side effects related to estrogen suppression were initially higher with goserelin, but when goserelin treatment stopped, reduced to a level below that observed in the CMF group. CONCLUSION: Goserelin offers an effective, well-tolerated alternative to CMF in premenopausal patients with ER-positive and node-positive early breast cancer.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12488406&dopt=Abstract
jax.org
The nature of the wild-type gene product at the mouse ichthyosis (ic) locus has been of great interest because mutations at this locus cause marked abnormalities in nuclear heterochromatin, similar to those observed in Pelger-Huet anomaly (PHA). We recently found that human PHA is caused by mutations in the gene (LBR) encoding lamin B receptor, an evolutionarily conserved inner nuclear membrane protein involved in nuclear assembly and chromatin binding. Mice homozygous for deleterious alleles at the ichthyosis (ic) locus present with a blood phenotype similar to PHA, and develop other phenotypic abnormalities, including alopecia, variable expression of syndactyly and hydrocephalus. The ic locus on mouse chromosome 1 shares conserved synteny with the chromosomal location of the human LBR locus on human chromosome 1. In this study, we identified one nonsense (815ins) and two frameshift mutations (1088insCC and 1884insGGAA) within the Lbr gene of mice homozygous for either of three independent mutations (ic, ic(J) and ic(4J), respectively) at the ichthyosis locus. These allelic mutations are predicted to result in truncated or severely impaired LBR protein. Our studies of mice homozygous for the ic(J) mutation revealed a complete loss of LBR protein as shown by immunofluorescence microscopy and immunoblotting. The findings provide the molecular basis for the heterochromatin clumping and other distinct phenotypes caused by ic mutations. These spontaneous Lbr mutations confirm the molecular basis of human PHA and provide a small animal model for determination of the precise function of LBR in normal and pathological states.
online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12490533&dopt=Abstract
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