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Interferon research abs 1 || Hemoglobin research abs || Stem cell research abs || Nucleic acid research abs || Herpes research abs || Bronchitis research abs || Schizophrenia research abs || Tuberculosis research abs || Pneumonia research abs || Constipation research abs || Laxative research abs || hair research abs || hair related research references






J Bone Joint Surg Am. 2003 Jun;85-A(6):1030-9.
Mechanism of bone formation with gene transfer of the cDNA encoding for the intracellular protein LMP-1.

Minamide A, Boden SD, Viggeswarapu M, Hair GA, Oliver C, Titus L.

Department of Orthopaedic Surgery, Emory Spine Center, Emory University School of Medicine, 2165 North Decatur Road, Decatur, GA 30033, USA.

BACKGROUND: LIM mineralization protein-1 (LMP-1), an intracellular protein, is thought to induce secretion of soluble factors that convey its osteoinductive activity. Although evidence suggests that LMP-1 may be a critical regulator of osteoblast differentiation in vitro and in vivo, little is known about its mechanism of action. The purpose of the present study was to identify candidates for the induced secreted factors and to describe the time sequence of histological changes during bone formation induced by LMP-1. METHODS: Human lung carcinoma (A549) cells were used to determine if LMP-1 overexpression would induce expression of bone morphogenetic proteins (BMPs) in vitro. Cultured A549 cells were infected with recombinant replication-deficient human type-5 adenovirus containing the LMP-1 or LacZ cDNA. Cells were subjected to immunohistochemical analysis after forty-eight hours. Finally, sixteen athymic rats received subcutaneous implants consisting of collagen disks loaded with human buffy-coat cells that were infected with one of the above two viruses. Rats were killed at intervals, and explants were studied with histological and immunohistochemical analyses. RESULTS: In vitro experiments with A549 cells showed that AdLMP-1-infected cells express elevated levels of BMP-2, BMP-4, BMP-6, BMP-7, and TGF-beta1 (transforming growth factor-beta 1) protein. Human buffy-coat cells infected with AdLMP-1 also demonstrated increased levels of BMP-4 and BMP-7 protein seventy-two hours after ectopic implantation in athymic rats, confirming the in vitro hypothesis. CONCLUSIONS: The osteoinductive properties of LMP-1 involve synthesis of several BMPs and the recruitment of host cells that differentiate and participate in direct membranous bone formation.


online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12783998&dopt=Abstract



J Dermatol Sci. 2003 May;31(3):189-92.
A novel P gene missense mutation in a Japanese patient with oculocutaneous albinism type II (OCA2).

Kato A, Fukai K, Oiso N, Hosomi N, Saitoh S, Wada T, Shimizu H, Ishii M.

Department of Dermatology, Osaka City University Graduate School of Medicine, 1-4-3, Asahimachi Abenoku, 545-8585, Osaka, Japan

BACKGROUND: Oculocutaneous albinism type II (OCA2) is an autosomal recessively inherited disorder, characterized by white hair and skin, and loss of pigment in the eyes. Mutaions in P gene have been shown to result in OCA2. So far, two cases have been reported from Japan. OBJECTIVE: We had an opportunity to examine a case of albinism, and screened the mutations of tyrosinase and P gene. METHODS: Genomic DNA was prepared from peripheral leukocytes. All of the exons and flanking introns of tyrosinase and P gene were PCR-direct-sequenced. RESULTS: Although no mutations were found in tyrosinase, we found two missense substitutions, A481T and Q799H in P gene. The A481T has previously been shown to result in partial function of the P protein. CONCLUSION: The Q799H mutation is not a common polymorphism among normal Japanese, seems most likely to be a pathological OCA2 mutation among Japanese with this form of albinism.


online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12727022&dopt=Abstract [PubMed - in process]



Acta Otolaryngol. 2003 Jan;123(2):215-8.
Neonatal hearing screening in a neonatal intensive care unit using distortion-product otoacoustic emissions.

Chiong CM, Dv Llanes EG, Tirona-Remulla AN, Calaquian CM, Reyes-Quintos MR.

Department of Otorhinolaryngology and Ear Institute, College of Medicine, Philippine General Hospital, University of the Philippines, Manila, Philippines. cmchionnfo.com.ph

OBJECTIVE: To determine pass and refer rates, and identify risk factors relating to refer responses, in neonates screened using distortion-product otoacoustic emissions (DPOAEs). MATERIAL AND METHODS: A total of 435 neonates admitted to the neonatal intensive care unit (NICU) of the Philippine General Hospital between May and October 2000 were screened using DPOAEs within 48 h of admission. RESULTS: The male:female ratio in the sample was 1.05. In total, 56% of neonates were born preterm, the mean birthweight was 2,428.39 +/- 710.39 g and 8.9% weighed < 1,500 g. In total, 47.9% were delivered by Caesarian section and 44.9% were delivered vaginally. Almost 14% of neonates had 1-min Apgar scores of < 6, and 4% had 5-min Apgar scores of < 7. Approximately 95% of neonates had a poor perinatal history. Using pediatric aging it was noted that 46% of these neonates were born preterm. and 30.4% were small for gestational age. At least one neonatal disease was found in 42% of neonates, whilst 95.7% had to be given medication. The bilateral refer rate was 29.1%. Two-by-two analysis of risk factors for hearing loss and DPOAE measurements showed that only male sex seemed to have a significant association with a refer response. Neonates weighing < 1,500 g at birth showed a marginally significant association with a refer response (p = 0.07). All other neonates showed no crude association with DPOAE measurements. CONCLUSION: These preliminary data show that a high proportion of NICU patients may have poor outer hair cell function, and thus poor hearing. In order to develop an effective neonatal hearing screening program, further studies of prevalence and risk factors should be pursued in the same setting.


online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12701743&dopt=Abstract



J Pharm Biomed Anal. 2003 Jan 15;30(6):1773-87.
Determination of hypnotic benzodiazepines (alprazolam, estazolam, and midazolam) and their metabolites in rat hair and plasma by reversed-phase liquid-chromatography with electrospray ionization mass spectrometry.

Toyo'oka T, Kumaki Y, Kanbori M, Kato M, Nakahara Y.

Department of Analytical Chemistry, School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Shizuoka 422-8526, Japan. toyooks2.u-shizuoka-ken.ac.jp

Sensitive determination of benzodiazepines i.e., alprazolam (ALP), estazolam (EST), and midazolam (MDZ), and their metabolites, was carried out by reversed-phase liquid chromatography coupled with electrospray ionization mass spectrometry (HPLC-ESI-MS). The chromatography separations were achieved using a semi-micro HPLC column (3 microm particle size; 100 x 2.0 mm, i.d.) with acetonitrile-water containing 1% acetic acid as eluent. The mass spectrometer was operated in selected-ion monitoring mode at protonated-molecular ions [M+H](+) of parent drugs and the metabolites. The proposed procedure was applied to the determination in hair shaft of Dark Agouti rats after intraperitoneal (i.p.) administration of benzodiazepines twice a day for 5 days. Various metabolites together with parent drugs were identified in the hair shaft, 1-hydroxyalprazolam (1-HA) and 4-hydroxyalprazolam (4-HA) from ALP administration; 8-chloro-6-phenyl-4H-[1,2,4]triazolo[4,3-a][1,4]benzodiazepine-4-one (K-EST) from EST administration; 1-hydroxymidazolam (1-HM) and 4-hydroxymidazolam (4-HM) from MDZ administration. A few unknown metabolites were also detected in the hair samples. These structures were elucidated with acetylation using acetic anhydride and pyridine. The time course studies of parent drugs and the metabolites in both hair root and plasma were also carried out after single i.p. administration of benzodiazepines. The results suggested that the concentrations of parent drugs and the metabolites in the hair samples were mainly dependent upon those in the plasma.


online pharmacy ref. source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12485719&dopt=Abstract








Like developmental biology of any part of our body, hair growth is a complicated process. Hence the homework for modern science to yet unravel the process and mechanism to a completion. There exist a number of traditional and alternative therapeutic methods that include drugs, surgery, suppelements, and even snake oils that have been developed and used for those who lose hair. No understanding, and there is no solution. Of course, none of these approaches are perfect for all hair loss problems, especially due to the heterogeneity of the causes underlying hair losses. Most of chemical drugs and hair transplantation surgeries are accompanied by undesirable side effects.
















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